diff options
| -rw-r--r-- | Filelist | 4 | ||||
| -rw-r--r-- | src/Make_cyg_ming.mak | 2 | ||||
| -rw-r--r-- | src/Make_morph.mak | 2 | ||||
| -rw-r--r-- | src/Make_mvc.mak | 8 | ||||
| -rw-r--r-- | src/Make_vms.mms | 72 | ||||
| -rw-r--r-- | src/Makefile | 20 | ||||
| -rw-r--r-- | src/README.md | 2 | ||||
| -rw-r--r-- | src/drawline.c | 3131 | ||||
| -rw-r--r-- | src/drawscreen.c | 3112 | ||||
| -rw-r--r-- | src/globals.h | 25 | ||||
| -rw-r--r-- | src/proto.h | 2 | ||||
| -rw-r--r-- | src/proto/drawline.pro | 3 | ||||
| -rw-r--r-- | src/proto/drawscreen.pro | 25 | ||||
| -rw-r--r-- | src/proto/screen.pro | 33 | ||||
| -rw-r--r-- | src/screen.c | 6511 | ||||
| -rw-r--r-- | src/version.c | 2 | ||||
| -rw-r--r-- | src/vim.h | 7 |
17 files changed, 6446 insertions, 6515 deletions
@@ -32,6 +32,8 @@ SRC_ALL = \ src/dict.c \ src/diff.c \ src/digraph.c \ + src/drawline.c \ + src/drawscreen.c \ src/edit.c \ src/eval.c \ src/evalbuffer.c \ @@ -192,6 +194,8 @@ SRC_ALL = \ src/proto/dict.pro \ src/proto/diff.pro \ src/proto/digraph.pro \ + src/proto/drawline.pro \ + src/proto/drawscreen.pro \ src/proto/edit.pro \ src/proto/eval.pro \ src/proto/evalbuffer.pro \ diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak index 9d8abf8be..281d147ca 100644 --- a/src/Make_cyg_ming.mak +++ b/src/Make_cyg_ming.mak @@ -719,6 +719,8 @@ OBJ = \ $(OUTDIR)/dict.o \ $(OUTDIR)/diff.o \ $(OUTDIR)/digraph.o \ + $(OUTDIR)/drawline.o \ + $(OUTDIR)/drawscreen.o \ $(OUTDIR)/edit.o \ $(OUTDIR)/eval.o \ $(OUTDIR)/evalbuffer.o \ diff --git a/src/Make_morph.mak b/src/Make_morph.mak index 87b7e45cc..a69eda0ed 100644 --- a/src/Make_morph.mak +++ b/src/Make_morph.mak @@ -39,6 +39,8 @@ SRC = arabic.c \ dict.c \ diff.c \ digraph.c \ + drawline.c \ + drawscreen.c \ edit.c \ eval.c \ evalbuffer.c \ diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak index 1205a6e23..8861994ad 100644 --- a/src/Make_mvc.mak +++ b/src/Make_mvc.mak @@ -726,6 +726,8 @@ OBJ = \ $(OUTDIR)\dict.obj \ $(OUTDIR)\diff.obj \ $(OUTDIR)\digraph.obj \ + $(OUTDIR)\drawline.obj \ + $(OUTDIR)\drawscreen.obj \ $(OUTDIR)\edit.obj \ $(OUTDIR)\eval.obj \ $(OUTDIR)\evalbuffer.obj \ @@ -1484,6 +1486,10 @@ $(OUTDIR)/xpatience.obj: $(OUTDIR) xdiff/xpatience.c $(XDIFF_DEPS) $(OUTDIR)/digraph.obj: $(OUTDIR) digraph.c $(INCL) +$(OUTDIR)/drawline.obj: $(OUTDIR) drawline.c $(INCL) + +$(OUTDIR)/drawscreen.obj: $(OUTDIR) drawscreen.c $(INCL) + $(OUTDIR)/edit.obj: $(OUTDIR) edit.c $(INCL) $(OUTDIR)/eval.obj: $(OUTDIR) eval.c $(INCL) @@ -1783,6 +1789,8 @@ proto.h: \ proto/dict.pro \ proto/diff.pro \ proto/digraph.pro \ + proto/drawline.pro \ + proto/drawscreen.pro \ proto/edit.pro \ proto/eval.pro \ proto/evalbuffer.pro \ diff --git a/src/Make_vms.mms b/src/Make_vms.mms index 42adcb8d1..c86ec35e8 100644 --- a/src/Make_vms.mms +++ b/src/Make_vms.mms @@ -309,8 +309,8 @@ ALL_LIBS = $(LIBS) $(GUI_LIB_DIR) $(GUI_LIB) \ SRC = arabic.c arglist.c autocmd.c beval.c blob.c blowfish.c buffer.c \ change.c charset.c cmdexpand.c cmdhist.c crypt.c crypt_zip.c \ - debugger.c dict.c diff.c digraph.c edit.c eval.c evalbuffer.c \ - evalfunc.c \ + debugger.c dict.c diff.c digraph.c drawline.c drawscreen.c edit.c \ + eval.c evalbuffer.c evalfunc.c \ evalvars.c evalwindow.c ex_cmds.c ex_cmds2.c ex_docmd.c ex_eval.c \ ex_getln.c \ if_cscope.c if_xcmdsrv.c fileio.c filepath.c, findfile.c fold.c \ @@ -329,8 +329,8 @@ SRC = arabic.c arglist.c autocmd.c beval.c blob.c blowfish.c buffer.c \ OBJ = arabic.obj arglist.obj autocmd.obj beval.obj blob.obj blowfish.obj \ buffer.obj change.obj charset.obj cmdexpand.obj cmdhist.obj \ crypt.obj crypt_zip.obj debugger.obj dict.obj diff.obj digraph.obj \ - edit.obj eval.obj evalbuffer.obj evalfunc.obj evalvars.obj \ - evalwindow.obj ex_cmds.obj ex_cmds2.obj \ + drawline.obj drawscreen.obj edit.obj eval.obj evalbuffer.obj \ + evalfunc.obj evalvars.obj evalwindow.obj ex_cmds.obj ex_cmds2.obj \ ex_docmd.obj ex_eval.obj ex_getln.obj if_cscope.obj if_xcmdsrv.obj \ fileio.obj filepath.obj \ findfile.obj fold.obj getchar.obj hardcopy.obj hashtab.obj \ @@ -556,16 +556,22 @@ dict.obj : dict.c vim.h [.auto]config.h feature.h os_unix.h \ globals.h diff.obj : diff.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h digraph.obj : digraph.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ globals.h +drawline.obj : drawline.c vim.h [.auto]config.h feature.h os_unix.h \ + ascii.h keymap.h term.h macros.h structs.h regexp.h \ + gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ + globals.h +drawscreen.obj : drawscreen.c vim.h [.auto]config.h feature.h os_unix.h \ + ascii.h keymap.h term.h macros.h structs.h regexp.h \ + gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ + globals.h edit.obj : edit.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h eval.obj : eval.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ @@ -620,8 +626,7 @@ findfile.obj : findfile.c vim.h [.auto]config.h feature.h os_unix.h \ globals.h fold.obj : fold.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h getchar.obj : getchar.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ @@ -669,8 +674,7 @@ map.obj : map.c vim.h [.auto]config.h feature.h os_unix.h \ [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ mark.obj : mark.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h memfile.obj : memfile.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ @@ -681,8 +685,7 @@ memline.obj : memline.c vim.h [.auto]config.h feature.h os_unix.h \ globals.h menu.obj : menu.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h message.obj : message.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ @@ -693,24 +696,20 @@ misc1.obj : misc1.c vim.h [.auto]config.h feature.h os_unix.h \ version.h misc2.obj : misc2.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h move.obj : move.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h mbyte.obj : mbyte.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h normal.obj : normal.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ globals.h ops.obj : ops.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h option.obj : option.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ @@ -789,42 +788,33 @@ syntax.obj : syntax.c vim.h [.auto]config.h feature.h os_unix.h \ globals.h tag.obj : tag.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h term.obj : term.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h termlib.obj : termlib.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h testing.obj : testing.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h textprop.obj : textprop.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h ui.obj : ui.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h undo.obj : undo.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h usercmd.obj : usercmd.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h option.h structs.h \ regexp.h gui.h beval.h [.proto]gui_beval.pro alloc.h ex_cmds.h spell.h \ proto.h globals.h - userfunc.obj : userfunc.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h option.h structs.h \ regexp.h gui.h beval.h [.proto]gui_beval.pro alloc.h ex_cmds.h spell.h \ proto.h globals.h - version.obj : version.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ @@ -839,8 +829,7 @@ window.obj : window.c vim.h [.auto]config.h feature.h os_unix.h \ globals.h gui.obj : gui.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h gui_gtk.obj : gui_gtk.c gui_gtk_f.h vim.h [.auto]config.h feature.h \ os_unix.h ascii.h keymap.h term.h macros.h structs.h \ regexp.h gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h \ @@ -893,8 +882,7 @@ gui_at_fs.obj : gui_at_fs.c vim.h [.auto]config.h feature.h os_unix.h \ globals.h gui_at_sb.h pty.obj : pty.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ - [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \ - + [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h hangulin.obj : hangulin.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ diff --git a/src/Makefile b/src/Makefile index c89fdb135..0bfc92d94 100644 --- a/src/Makefile +++ b/src/Makefile @@ -1593,6 +1593,8 @@ BASIC_SRC = \ dict.c \ diff.c \ digraph.c \ + drawline.c \ + drawscreen.c \ edit.c \ eval.c \ evalbuffer.c \ @@ -1727,6 +1729,8 @@ OBJ_COMMON = \ objects/dict.o \ objects/diff.o \ objects/digraph.o \ + objects/drawline.o \ + objects/drawscreen.o \ objects/edit.o \ objects/eval.o \ objects/evalbuffer.o \ @@ -1874,6 +1878,8 @@ PRO_AUTO = \ dict.pro \ diff.pro \ digraph.pro \ + drawline.pro \ + drawscreen.pro \ edit.pro \ eval.pro \ evalbuffer.pro \ @@ -3083,6 +3089,12 @@ objects/diff.o: diff.c $(XDIFF_INCL) objects/digraph.o: digraph.c $(CCC) -o $@ digraph.c +objects/drawline.o: drawline.c + $(CCC) -o $@ drawline.c + +objects/drawscreen.o: drawscreen.c + $(CCC) -o $@ drawscreen.c + objects/edit.o: edit.c $(CCC) -o $@ edit.c @@ -3613,6 +3625,14 @@ objects/digraph.o: digraph.c vim.h protodef.h auto/config.h feature.h os_unix.h auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ proto.h globals.h +objects/drawline.o: drawline.c vim.h protodef.h auto/config.h feature.h os_unix.h \ + auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ + proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ + proto.h globals.h +objects/drawscreen.o: drawscreen.c vim.h protodef.h auto/config.h feature.h os_unix.h \ + auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ + proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ + proto.h globals.h objects/edit.o: edit.c vim.h protodef.h auto/config.h feature.h os_unix.h \ auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ diff --git a/src/README.md b/src/README.md index f4f9df1f4..d1a27d5e4 100644 --- a/src/README.md +++ b/src/README.md @@ -32,6 +32,8 @@ cmdexpand.c | command-line completion cmdhist.c | command-line history debugger.c | vim script debugger diff.c | diff mode (vimdiff) +drawline.c | drawing a window line +drawscreen.c | drawing the windows eval.c | expression evaluation evalbuffer.c | buffer related built-in functions evalfunc.c | built-in functions diff --git a/src/drawline.c b/src/drawline.c new file mode 100644 index 000000000..39ec5ed40 --- /dev/null +++ b/src/drawline.c @@ -0,0 +1,3131 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * drawline.c: Functions for drawing window lines on the screen. + * This is the middle level, drawscreen. is the higher level and screen.c the + * lower level. + */ + +#include "vim.h" + +#ifdef FEAT_SYN_HL +/* + * Advance **color_cols and return TRUE when there are columns to draw. + */ + static int +advance_color_col(int vcol, int **color_cols) +{ + while (**color_cols >= 0 && vcol > **color_cols) + ++*color_cols; + return (**color_cols >= 0); +} +#endif + +#ifdef FEAT_SYN_HL +/* + * Used when 'cursorlineopt' contains "screenline": compute the margins between + * which the highlighting is used. + */ + static void +margin_columns_win(win_T *wp, int *left_col, int *right_col) +{ + // cache previous calculations depending on w_virtcol + static int saved_w_virtcol; + static win_T *prev_wp; + static int prev_left_col; + static int prev_right_col; + static int prev_col_off; + + int cur_col_off = win_col_off(wp); + int width1; + int width2; + + if (saved_w_virtcol == wp->w_virtcol + && prev_wp == wp && prev_col_off == cur_col_off) + { + *right_col = prev_right_col; + *left_col = prev_left_col; + return; + } + + width1 = wp->w_width - cur_col_off; + width2 = width1 + win_col_off2(wp); + + *left_col = 0; + *right_col = width1; + + if (wp->w_virtcol >= (colnr_T)width1) + *right_col = width1 + ((wp->w_virtcol - width1) / width2 + 1) * width2; + if (wp->w_virtcol >= (colnr_T)width1 && width2 > 0) + *left_col = (wp->w_virtcol - width1) / width2 * width2 + width1; + + // cache values + prev_left_col = *left_col; + prev_right_col = *right_col; + prev_wp = wp; + saved_w_virtcol = wp->w_virtcol; + prev_col_off = cur_col_off; +} +#endif + +#ifdef FEAT_SIGNS +/* + * Get information needed to display the sign in line 'lnum' in window 'wp'. + * If 'nrcol' is TRUE, the sign is going to be displayed in the number column. + * Otherwise the sign is going to be displayed in the sign column. + */ + static void +get_sign_display_info( + int nrcol, + win_T *wp, + linenr_T lnum UNUSED, + sign_attrs_T *sattr, + int wcr_attr, + int row, + int startrow, + int filler_lines UNUSED, + int filler_todo UNUSED, + int *c_extrap, + int *c_finalp, + char_u *extra, + char_u **pp_extra, + int *n_extrap, + int *char_attrp) +{ + int text_sign; +# ifdef FEAT_SIGN_ICONS + int icon_sign; +# endif + + // Draw two cells with the sign value or blank. + *c_extrap = ' '; + *c_finalp = NUL; + if (nrcol) + *n_extrap = number_width(wp) + 1; + else + { + *char_attrp = hl_combine_attr(wcr_attr, HL_ATTR(HLF_SC)); + *n_extrap = 2; + } + + if (row == startrow +#ifdef FEAT_DIFF + + filler_lines && filler_todo <= 0 +#endif + ) + { + text_sign = (sattr->text != NULL) ? sattr->typenr : 0; +# ifdef FEAT_SIGN_ICONS + icon_sign = (sattr->icon != NULL) ? sattr->typenr : 0; + if (gui.in_use && icon_sign != 0) + { + // Use the image in this position. + if (nrcol) + { + *c_extrap = NUL; + sprintf((char *)extra, "%-*c ", number_width(wp), SIGN_BYTE); + *pp_extra = extra; + *n_extrap = (int)STRLEN(*pp_extra); + } + else + *c_extrap = SIGN_BYTE; +# ifdef FEAT_NETBEANS_INTG + if (netbeans_active() && (buf_signcount(wp->w_buffer, lnum) > 1)) + { + if (nrcol) + { + *c_extrap = NUL; + sprintf((char *)extra, "%-*c ", number_width(wp), + MULTISIGN_BYTE); + *pp_extra = extra; + *n_extrap = (int)STRLEN(*pp_extra); + } + else + *c_extrap = MULTISIGN_BYTE; + } +# endif + *c_finalp = NUL; + *char_attrp = icon_sign; + } + else +# endif + if (text_sign != 0) + { + *pp_extra = sattr->text; + if (*pp_extra != NULL) + { + if (nrcol) + { + int n, width = number_width(wp) - 2; + + for (n = 0; n < width; n++) + extra[n] = ' '; + extra[n] = 0; + STRCAT(extra, *pp_extra); + STRCAT(extra, " "); + *pp_extra = extra; + } + *c_extrap = NUL; + *c_finalp = NUL; + *n_extrap = (int)STRLEN(*pp_extra); + } + *char_attrp = sattr->texthl; + } + } +} +#endif + +#ifdef FEAT_TEXT_PROP +static textprop_T *current_text_props = NULL; +static buf_T *current_buf = NULL; + + static int +text_prop_compare(const void *s1, const void *s2) +{ + int idx1, idx2; + proptype_T *pt1, *pt2; + colnr_T col1, col2; + + idx1 = *(int *)s1; + idx2 = *(int *)s2; + pt1 = text_prop_type_by_id(current_buf, current_text_props[idx1].tp_type); + pt2 = text_prop_type_by_id(current_buf, current_text_props[idx2].tp_type); + if (pt1 == pt2) + return 0; + if (pt1 == NULL) + return -1; + if (pt2 == NULL) + return 1; + if (pt1->pt_priority != pt2->pt_priority) + return pt1->pt_priority > pt2->pt_priority ? 1 : -1; + col1 = current_text_props[idx1].tp_col; + col2 = current_text_props[idx2].tp_col; + return col1 == col2 ? 0 : col1 > col2 ? 1 : -1; +} +#endif + +/* + * Display line "lnum" of window 'wp' on the screen. + * Start at row "startrow", stop when "endrow" is reached. + * wp->w_virtcol needs to be valid. + * + * Return the number of last row the line occupies. + */ + int +win_line( + win_T *wp, + linenr_T lnum, + int startrow, + int endrow, + int nochange UNUSED, // not updating for changed text + int number_only) // only update the number column +{ + int col = 0; // visual column on screen + unsigned off; // offset in ScreenLines/ScreenAttrs + int c = 0; // init for GCC + long vcol = 0; // virtual column (for tabs) +#ifdef FEAT_LINEBREAK + long vcol_sbr = -1; // virtual column after showbreak +#endif + long vcol_prev = -1; // "vcol" of previous character + char_u *line; // current line + char_u *ptr; // current position in "line" + int row; // row in the window, excl w_winrow + int screen_row; // row on the screen, incl w_winrow + + char_u extra[21]; // "%ld " and 'fdc' must fit in here + int n_extra = 0; // number of extra chars + char_u *p_extra = NULL; // string of extra chars, plus NUL + char_u *p_extra_free = NULL; // p_extra needs to be freed + int c_extra = NUL; // extra chars, all the same + int c_final = NUL; // final char, mandatory if set + int extra_attr = 0; // attributes when n_extra != 0 + static char_u *at_end_str = (char_u *)""; // used for p_extra when + // displaying lcs_eol at end-of-line + int lcs_eol_one = lcs_eol; // lcs_eol until it's been used + int lcs_prec_todo = lcs_prec; // lcs_prec until it's been used + + // saved "extra" items for when draw_state becomes WL_LINE (again) + int saved_n_extra = 0; + char_u *saved_p_extra = NULL; + int saved_c_extra = 0; + int saved_c_final = 0; + int saved_char_attr = 0; + + int n_attr = 0; // chars with special attr + int saved_attr2 = 0; // char_attr saved for n_attr + int n_attr3 = 0; // chars with overruling special attr + int saved_attr3 = 0; // char_attr saved for n_attr3 + + int n_skip = 0; // nr of chars to skip for 'nowrap' + + int fromcol = -10; // start of inverting + int tocol = MAXCOL; // end of inverting + int fromcol_prev = -2; // start of inverting after cursor + int noinvcur = FALSE; // don't invert the cursor + pos_T *top, *bot; + int lnum_in_visual_area = FALSE; + pos_T pos; + long v; + + int char_attr = 0; // attributes for next character + int attr_pri = FALSE; // char_attr has priority + int area_highlighting = FALSE; // Visual or incsearch highlighting + // in this line + int vi_attr = 0; // attributes for Visual and incsearch + // highlighting + int wcr_attr = 0; // attributes from 'wincolor' + int win_attr = 0; // background for whole window, except + // margins and "~" lines. + int area_attr = 0; // attributes desired by highlighting + int search_attr = 0; // attributes desired by 'hlsearch' +#ifdef FEAT_SYN_HL + int vcol_save_attr = 0; // saved attr for 'cursorcolumn' + int syntax_attr = 0; // attributes desired by syntax + int has_syntax = FALSE; // this buffer has syntax highl. + int save_did_emsg; + int draw_color_col = FALSE; // highlight colorcolumn + int *color_cols = NULL; // pointer to according columns array +#endif + int eol_hl_off = 0; // 1 if highlighted char after EOL +#ifdef FEAT_TEXT_PROP + int text_prop_count; + int text_prop_next = 0; // next text property to use + textprop_T *text_props = NULL; + int *text_prop_idxs = NULL; + int text_props_active = 0; + proptype_T *text_prop_type = NULL; + int text_prop_attr = 0; + int text_prop_combine = FALSE; +#endif +#ifdef FEAT_SPELL + int has_spell = FALSE; // this buffer has spell checking +# define SPWORDLEN 150 + char_u nextline[SPWORDLEN * 2];// text with start of the next line + int nextlinecol = 0; // column where nextline[] starts + int nextline_idx = 0; // index in nextline[] where next line + // starts + int spell_attr = 0; // attributes desired by spelling + int word_end = 0; // last byte with same spell_attr + static linenr_T checked_lnum = 0; // line number for "checked_col" + static int checked_col = 0; // column in "checked_lnum" up to which + // there are no spell errors + static int cap_col = -1; // column to check for Cap word + static linenr_T capcol_lnum = 0; // line number where "cap_col" used + int cur_checked_col = 0; // checked column for current line +#endif + int extra_check = 0; // has extra highlighting + int multi_attr = 0; // attributes desired by multibyte + int mb_l = 1; // multi-byte byte length + int mb_c = 0; // decoded multi-byte character + int mb_utf8 = FALSE; // screen char is UTF-8 char + int u8cc[MAX_MCO]; // composing UTF-8 chars +#if defined(FEAT_DIFF) || defined(FEAT_SIGNS) + int filler_lines = 0; // nr of filler lines to be drawn + int filler_todo = 0; // nr of filler lines still to do + 1 +#endif +#ifdef FEAT_DIFF + hlf_T diff_hlf = (hlf_T)0; // type of diff highlighting + int change_start = MAXCOL; // first col of changed area + int change_end = -1; // last col of changed area +#endif + colnr_T trailcol = MAXCOL; // start of trailing spaces +#ifdef FEAT_LINEBREAK + int need_showbreak = FALSE; // overlong line, skipping first x + // chars +#endif +#if defined(FEAT_SIGNS) || defined(FEAT_QUICKFIX) \ + || defined(FEAT_SYN_HL) || defined(FEAT_DIFF) +# define LINE_ATTR + int line_attr = 0; // attribute for the whole line + int line_attr_save; +#endif +#ifdef FEAT_SIGNS + int sign_present = FALSE; + sign_attrs_T sattr; +#endif +#ifdef FEAT_ARABIC + int prev_c = 0; // previous Arabic character + int prev_c1 = 0; // first composing char for prev_c +#endif +#if defined(LINE_ATTR) + int did_line_attr = 0; +#endif +#ifdef FEAT_TERMINAL + int get_term_attr = FALSE; +#endif +#ifdef FEAT_SYN_HL + int cul_attr = 0; // set when 'cursorline' active + + // 'cursorlineopt' has "screenline" and cursor is in this line + int cul_screenline = FALSE; + + // margin columns for the screen line, needed for when 'cursorlineopt' + // contains "screenline" + int left_curline_col = 0; + int right_curline_col = 0; +#endif + + // draw_state: items that are drawn in sequence: +#define WL_START 0 // nothing done yet +#ifdef FEAT_CMDWIN +# define WL_CMDLINE WL_START + 1 // cmdline window column +#else +# define WL_CMDLINE WL_START +#endif +#ifdef FEAT_FOLDING +# define WL_FOLD WL_CMDLINE + 1 // 'foldcolumn' +#else +# define WL_FOLD WL_CMDLINE +#endif +#ifdef FEAT_SIGNS +# define WL_SIGN WL_FOLD + 1 // column for signs +#else +# define WL_SIGN WL_FOLD // column for signs +#endif +#define WL_NR WL_SIGN + 1 // line number +#ifdef FEAT_LINEBREAK +# define WL_BRI WL_NR + 1 // 'breakindent' +#else +# define WL_BRI WL_NR +#endif +#if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) +# define WL_SBR WL_BRI + 1 // 'showbreak' or 'diff' +#else +# define WL_SBR WL_BRI +#endif +#define WL_LINE WL_SBR + 1 // text in the line + int draw_state = WL_START; // what to draw next +#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) + int feedback_col = 0; + int feedback_old_attr = -1; +#endif + int screen_line_flags = 0; + +#if defined(FEAT_CONCEAL) || defined(FEAT_SEARCH_EXTRA) + int match_conc = 0; // cchar for match functions +#endif +#ifdef FEAT_CONCEAL + int syntax_flags = 0; + int syntax_seqnr = 0; + int prev_syntax_id = 0; + int conceal_attr = HL_ATTR(HLF_CONCEAL); + int is_concealing = FALSE; + int boguscols = 0; // nonexistent columns added to force + // wrapping + int vcol_off = 0; // offset for concealed characters + int did_wcol = FALSE; + int old_boguscols = 0; +# define VCOL_HLC (vcol - vcol_off) +# define FIX_FOR_BOGUSCOLS \ + { \ + n_extra += vcol_off; \ + vcol -= vcol_off; \ + vcol_off = 0; \ + col -= boguscols; \ + old_boguscols = boguscols; \ + boguscols = 0; \ + } +#else +# define VCOL_HLC (vcol) +#endif + + if (startrow > endrow) // past the end already! + return startrow; + + row = startrow; + screen_row = row + W_WINROW(wp); + + if (!number_only) + { + // To speed up the loop below, set extra_check when there is linebreak, + // trailing white space and/or syntax processing to be done. +#ifdef FEAT_LINEBREAK + extra_check = wp->w_p_lbr; +#endif +#ifdef FEAT_SYN_HL + if (syntax_present(wp) && !wp->w_s->b_syn_error +# ifdef SYN_TIME_LIMIT + && !wp->w_s->b_syn_slow +# endif + ) + { + // Prepare for syntax highlighting in this line. When there is an + // error, stop syntax highlighting. + save_did_emsg = did_emsg; + did_emsg = FALSE; + syntax_start(wp, lnum); + if (did_emsg) + wp->w_s->b_syn_error = TRUE; + else + { + did_emsg = save_did_emsg; +#ifdef SYN_TIME_LIMIT + if (!wp->w_s->b_syn_slow) +#endif + { + has_syntax = TRUE; + extra_check = TRUE; + } + } + } + + // Check for columns to display for 'colorcolumn'. + color_cols = wp->w_p_cc_cols; + if (color_cols != NULL) + draw_color_col = advance_color_col(VCOL_HLC, &color_cols); +#endif + +#ifdef FEAT_TERMINAL + if (term_show_buffer(wp->w_buffer)) + { + extra_check = TRUE; + get_term_attr = TRUE; + win_attr = term_get_attr(wp->w_buffer, lnum, -1); + } +#endif + +#ifdef FEAT_SPELL + if (wp->w_p_spell + && *wp->w_s->b_p_spl != NUL + && wp->w_s->b_langp.ga_len > 0 + && *(char **)(wp->w_s->b_langp.ga_data) != NULL) + { + // Prepare for spell checking. + has_spell = TRUE; + extra_check = TRUE; + + // Get the start of the next line, so that words that wrap to the + // next line are found too: "et<line-break>al.". + // Trick: skip a few chars for C/shell/Vim comments + nextline[SPWORDLEN] = NUL; + if (lnum < wp->w_buffer->b_ml.ml_line_count) + { + line = ml_get_buf(wp->w_buffer, lnum + 1, FALSE); + spell_cat_line(nextline + SPWORDLEN, line, SPWORDLEN); + } + + // When a word wrapped from the previous line the start of the + // current line is valid. + if (lnum == checked_lnum) + cur_checked_col = checked_col; + checked_lnum = 0; + + // When there was a sentence end in the previous line may require a + // word starting with capital in this line. In line 1 always check + // the first word. + if (lnum != capcol_lnum) + cap_col = -1; + if (lnum == 1) + cap_col = 0; + capcol_lnum = 0; + } +#endif + + // handle Visual active in this window + if (VIsual_active && wp->w_buffer == curwin->w_buffer) + { + if (LTOREQ_POS(curwin->w_cursor, VIsual)) + { + // Visual is after curwin->w_cursor + top = &curwin->w_cursor; + bot = &VIsual; + } + else + { + // Visual is before curwin->w_cursor + top = &VIsual; + bot = &curwin->w_cursor; + } + lnum_in_visual_area = (lnum >= top->lnum && lnum <= bot->lnum); + if (VIsual_mode == Ctrl_V) + { + // block mode + if (lnum_in_visual_area) + { + fromcol = wp->w_old_cursor_fcol; + tocol = wp->w_old_cursor_lcol; + } + } + else + { + // non-block mode + if (lnum > top->lnum && lnum <= bot->lnum) + fromcol = 0; + else if (lnum == top->lnum) + { + if (VIsual_mode == 'V') // linewise + fromcol = 0; + else + { + getvvcol(wp, top, (colnr_T *)&fromcol, NULL, NULL); + if (gchar_pos(top) == NUL) + tocol = fromcol + 1; + } + } + if (VIsual_mode != 'V' && lnum == bot->lnum) + { + if (*p_sel == 'e' && bot->col == 0 && bot->coladd == 0) + { + fromcol = -10; + tocol = MAXCOL; + } + else if (bot->col == MAXCOL) + tocol = MAXCOL; + else + { + pos = *bot; + if (*p_sel == 'e') + getvvcol(wp, &pos, (colnr_T *)&tocol, NULL, NULL); + else + { + getvvcol(wp, &pos, NULL, NULL, (colnr_T *)&tocol); + ++tocol; + } + } + } + } + + // Check if the character under the cursor should not be inverted + if (!highlight_match && lnum == curwin->w_cursor.lnum && wp == curwin +#ifdef FEAT_GUI + && !gui.in_use +#endif + ) + noinvcur = TRUE; + + // if inverting in this line set area_highlighting + if (fromcol >= 0) + { + area_highlighting = TRUE; + vi_attr = HL_ATTR(HLF_V); +#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) + if ((clip_star.available && !clip_star.owned + && clip_isautosel_star()) + || (clip_plus.available && !clip_plus.owned + && clip_isautosel_plus())) + vi_attr = HL_ATTR(HLF_VNC); +#endif + } + } + + // handle 'incsearch' and ":s///c" highlighting + else if (highlight_match + && wp == curwin + && lnum >= curwin->w_cursor.lnum + && lnum <= curwin->w_cursor.lnum + search_match_lines) + { + if (lnum == curwin->w_cursor.lnum) + getvcol(curwin, &(curwin->w_cursor), + (colnr_T *)&fromcol, NULL, NULL); + else + fromcol = 0; + if (lnum == curwin->w_cursor.lnum + search_match_lines) + { + pos.lnum = lnum; + pos.col = search_match_endcol; + getvcol(curwin, &pos, (colnr_T *)&tocol, NULL, NULL); + } + else + tocol = MAXCOL; + // do at least one character; happens when past end of line + if (fromcol == tocol) + tocol = fromcol + 1; + area_highlighting = TRUE; + vi_attr = HL_ATTR(HLF_I); + } + } + +#ifdef FEAT_DIFF + filler_lines = diff_check(wp, lnum); + if (filler_lines < 0) + { + if (filler_lines == -1) + { + if (diff_find_change(wp, lnum, &change_start, &change_end)) + diff_hlf = HLF_ADD; // added line + else if (change_start == 0) + diff_hlf = HLF_TXD; // changed text + else + diff_hlf = HLF_CHD; // changed line + } + else + diff_hlf = HLF_ADD; // added line + filler_lines = 0; + area_highlighting = TRUE; + } + if (lnum == wp->w_topline) + filler_lines = wp->w_topfill; + filler_todo = filler_lines; +#endif + +#ifdef FEAT_SIGNS + sign_present = buf_get_signattrs(wp->w_buffer, lnum, &sattr); +#endif + +#ifdef LINE_ATTR +# ifdef FEAT_SIGNS + // If this line has a sign with line highlighting set line_attr. + if (sign_present) + line_attr = sattr.linehl; +# endif +# if defined(FEAT_QUICKFIX) + // Highlight the current line in the quickfix window. + if (bt_quickfix(wp->w_buffer) && qf_current_entry(wp) == lnum) + line_attr = HL_ATTR(HLF_QFL); +# endif + if (line_attr != 0) + area_highlighting = TRUE; +#endif + + line = ml_get_buf(wp->w_buffer, lnum, FALSE); + ptr = line; + +#ifdef FEAT_SPELL + if (has_spell && !number_only) + { + // For checking first word with a capital skip white space. + if (cap_col == 0) + cap_col = getwhitecols(line); + + // To be able to spell-check over line boundaries copy the end of the + // current line into nextline[]. Above the start of the next line was + // copied to nextline[SPWORDLEN]. + if (nextline[SPWORDLEN] == NUL) + { + // No next line or it is empty. + nextlinecol = MAXCOL; + nextline_idx = 0; + } + else + { + v = (long)STRLEN(line); + if (v < SPWORDLEN) + { + // Short line, use it completely and append the start of the + // next line. + nextlinecol = 0; + mch_memmove(nextline, line, (size_t)v); + STRMOVE(nextline + v, nextline + SPWORDLEN); + nextline_idx = v + 1; + } + else + { + // Long line, use only the last SPWORDLEN bytes. + nextlinecol = v - SPWORDLEN; + mch_memmove(nextline, line + nextlinecol, SPWORDLEN); + nextline_idx = SPWORDLEN + 1; + } + } + } +#endif + + if (wp->w_p_list) + { + if (lcs_space || lcs_trail || lcs_nbsp) + extra_check = TRUE; + // find start of trailing whitespace + if (lcs_trail) + { + trailcol = (colnr_T)STRLEN(ptr); + while (trailcol > (colnr_T)0 && VIM_ISWHITE(ptr[trailcol - 1])) + --trailcol; + trailcol += (colnr_T) (ptr - line); + } + } + + wcr_attr = get_wcr_attr(wp); + if (wcr_attr != 0) + { + win_attr = wcr_attr; + area_highlighting = TRUE; + } +#ifdef FEAT_TEXT_PROP + if (WIN_IS_POPUP(wp)) + screen_line_flags |= SLF_POPUP; +#endif + + // 'nowrap' or 'wrap' and a single line that doesn't fit: Advance to the + // first character to be displayed. + if (wp->w_p_wrap) + v = wp->w_skipcol; + else + v = wp->w_leftcol; + if (v > 0 && !number_only) + { + char_u *prev_ptr = ptr; + + while (vcol < v && *ptr != NUL) + { + c = win_lbr_chartabsize(wp, line, ptr, (colnr_T)vcol, NULL); + vcol += c; + prev_ptr = ptr; + MB_PTR_ADV(ptr); + } + + // When: + // - 'cuc' is set, or + // - 'colorcolumn' is set, or + // - 'virtualedit' is set, or + // - the visual mode is active, + // the end of the line may be before the start of the displayed part. + if (vcol < v && ( +#ifdef FEAT_SYN_HL + wp->w_p_cuc || draw_color_col || +#endif + virtual_active() || + (VIsual_active && wp->w_buffer == curwin->w_buffer))) + vcol = v; + + // Handle a character that's not completely on the screen: Put ptr at + // that character but skip the first few screen characters. + if (vcol > v) + { + vcol -= c; + ptr = prev_ptr; + // If the character fits on the screen, don't need to skip it. + // Except for a TAB. + if (( (*mb_ptr2cells)(ptr) >= c || *ptr == TAB) && col == 0) + n_skip = v - vcol; + } + + // Adjust for when the inverted text is before the screen, + // and when the start of the inverted text is before the screen. + if (tocol <= vcol) + fromcol = 0; + else if (fromcol >= 0 && fromcol < vcol) + fromcol = vcol; + +#ifdef FEAT_LINEBREAK + // When w_skipcol is non-zero, first line needs 'showbreak' + if (wp->w_p_wrap) + need_showbreak = TRUE; +#endif +#ifdef FEAT_SPELL + // When spell checking a word we need to figure out the start of the + // word and if it's badly spelled or not. + if (has_spell) + { + int len; + colnr_T linecol = (colnr_T)(ptr - line); + hlf_T spell_hlf = HLF_COUNT; + + pos = wp->w_cursor; + wp->w_cursor.lnum = lnum; + wp->w_cursor.col = linecol; + len = spell_move_to(wp, FORWARD, TRUE, TRUE, &spell_hlf); + + // spell_move_to() may call ml_get() and make "line" invalid + line = ml_get_buf(wp->w_buffer, lnum, FALSE); + ptr = line + linecol; + + if (len == 0 || (int)wp->w_cursor.col > ptr - line) + { + // no bad word found at line start, don't check until end of a + // word + spell_hlf = HLF_COUNT; + word_end = (int)(spell_to_word_end(ptr, wp) - line + 1); + } + else + { + // bad word found, use attributes until end of word + word_end = wp->w_cursor.col + len + 1; + + // Turn index into actual attributes. + if (spell_hlf != HLF_COUNT) + spell_attr = highlight_attr[spell_hlf]; + } + wp->w_cursor = pos; + +# ifdef FEAT_SYN_HL + // Need to restart syntax highlighting for this line. + if (has_syntax) + syntax_start(wp, lnum); +# endif + } +#endif + } + + // Correct highlighting for cursor that can't be disabled. + // Avoids having to check this for each character. + if (fromcol >= 0) + { + if (noinvcur) + { + if ((colnr_T)fromcol == wp->w_virtcol) + { + // highlighting starts at cursor, let it start just after the + // cursor + fromcol_prev = fromcol; + fromcol = -1; + } + else if ((colnr_T)fromcol < wp->w_virtcol) + // restart highlighting after the cursor + fromcol_prev = wp->w_virtcol; + } + if (fromcol >= tocol) + fromcol = -1; + } + +#ifdef FEAT_SEARCH_EXTRA + if (!number_only) + { + v = (long)(ptr - line); + area_highlighting |= prepare_search_hl_line(wp, lnum, (colnr_T)v, + &line, &screen_search_hl, + &search_attr); + ptr = line + v; // "line" may have been updated + } +#endif + +#ifdef FEAT_SYN_HL + // Cursor line highlighting for 'cursorline' in the current window. + if (wp->w_p_cul && lnum == wp->w_cursor.lnum) + { + // Do not show the cursor line in the text when Visual mode is active, + // because it's not clear what is selected then. Do update + // w_last_cursorline. + if (!(wp == curwin && VIsual_active) + && wp->w_p_culopt_flags != CULOPT_NBR) + { + cul_screenline = (wp->w_p_wrap + && (wp->w_p_culopt_flags & CULOPT_SCRLINE)); + + // Only set line_attr here when "screenline" is not present in + // 'cursorlineopt'. Otherwise it's done later. + if (!cul_screenline) + { + cul_attr = HL_ATTR(HLF_CUL); + line_attr = cul_attr; + wp->w_last_cursorline = wp->w_cursor.lnum; + } + else + { + line_attr_save = line_attr; + wp->w_last_cursorline = 0; + margin_columns_win(wp, &left_curline_col, &right_curline_col); + } + area_highlighting = TRUE; + } + else + wp->w_last_cursorline = wp->w_cursor.lnum; + } +#endif + +#ifdef FEAT_TEXT_PROP + { + char_u *prop_start; + + text_prop_count = get_text_props(wp->w_buffer, lnum, + &prop_start, FALSE); + if (text_prop_count > 0) + { + // Make a copy of the properties, so that they are properly + // aligned. + text_props = ALLOC_MULT(textprop_T, text_prop_count); + if (text_props != NULL) + mch_memmove(text_props, prop_start, + text_prop_count * sizeof(textprop_T)); + + // Allocate an array for the indexes. + text_prop_idxs = ALLOC_MULT(int, text_prop_count); + area_highlighting = TRUE; + extra_check = TRUE; + } + } +#endif + + off = (unsigned)(current_ScreenLine - ScreenLines); + col = 0; + +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + // Rightleft window: process the text in the normal direction, but put + // it in current_ScreenLine[] from right to left. Start at the + // rightmost column of the window. + col = wp->w_width - 1; + off += col; + screen_line_flags |= SLF_RIGHTLEFT; + } +#endif + + // Repeat for the whole displayed line. + for (;;) + { +#if defined(FEAT_CONCEAL) || defined(FEAT_SEARCH_EXTRA) + int has_match_conc = 0; // match wants to conceal +#endif +#ifdef FEAT_CONCEAL + int did_decrement_ptr = FALSE; +#endif + // Skip this quickly when working on the text. + if (draw_state != WL_LINE) + { +#ifdef FEAT_CMDWIN + if (draw_state == WL_CMDLINE - 1 && n_extra == 0) + { + draw_state = WL_CMDLINE; + if (cmdwin_type != 0 && wp == curwin) + { + // Draw the cmdline character. + n_extra = 1; + c_extra = cmdwin_type; + c_final = NUL; + char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_AT)); + } + } +#endif + +#ifdef FEAT_FOLDING + if (draw_state == WL_FOLD - 1 && n_extra == 0) + { + int fdc = compute_foldcolumn(wp, 0); + + draw_state = WL_FOLD; + if (fdc > 0) + { + // Draw the 'foldcolumn'. Allocate a buffer, "extra" may + // already be in use. + vim_free(p_extra_free); + p_extra_free = alloc(12 + 1); + + if (p_extra_free != NULL) + { + fill_foldcolumn(p_extra_free, wp, FALSE, lnum); + n_extra = fdc; + p_extra_free[n_extra] = NUL; + p_extra = p_extra_free; + c_extra = NUL; + c_final = NUL; + char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_FC)); + } + } + } +#endif + +#ifdef FEAT_SIGNS + if (draw_state == WL_SIGN - 1 && n_extra == 0) + { + draw_state = WL_SIGN; + // Show the sign column when there are any signs in this + // buffer or when using Netbeans. + if (signcolumn_on(wp)) + get_sign_display_info(FALSE, wp, lnum, &sattr, wcr_attr, + row, startrow, filler_lines, filler_todo, &c_extra, + &c_final, extra, &p_extra, &n_extra, &char_attr); + } +#endif + + if (draw_state == WL_NR - 1 && n_extra == 0) + { + draw_state = WL_NR; + // Display the absolute or relative line number. After the + // first fill with blanks when the 'n' flag isn't in 'cpo' + if ((wp->w_p_nu || wp->w_p_rnu) + && (row == startrow +#ifdef FEAT_DIFF + + filler_lines +#endif + || vim_strchr(p_cpo, CPO_NUMCOL) == NULL)) + { +#ifdef FEAT_SIGNS + // If 'signcolumn' is set to 'number' and a sign is present + // in 'lnum', then display the sign instead of the line + // number. + if ((*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u') + && sign_present) + get_sign_display_info(TRUE, wp, lnum, &sattr, wcr_attr, + row, startrow, filler_lines, filler_todo, + &c_extra, &c_final, extra, &p_extra, &n_extra, + &char_attr); + else +#endif + { + // Draw the line number (empty space after wrapping). + if (row == startrow +#ifdef FEAT_DIFF + + filler_lines +#endif + ) + { + long num; + char *fmt = "%*ld "; + + if (wp->w_p_nu && !wp->w_p_rnu) + // 'number' + 'norelativenumber' + num = (long)lnum; + else + { + // 'relativenumber', don't use negative numbers + num = labs((long)get_cursor_rel_lnum(wp, lnum)); + if (num == 0 && wp->w_p_nu && wp->w_p_rnu) + { + // 'number' + 'relativenumber' + num = lnum; + fmt = "%-*ld "; + } + } + + sprintf((char *)extra, fmt, + number_width(wp), num); + if (wp->w_skipcol > 0) + for (p_extra = extra; *p_extra == ' '; ++p_extra) + *p_extra = '-'; +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) // reverse line numbers + { + char_u *p1, *p2; + int t; + + // like rl_mirror(), but keep the space at the end + p2 = skiptowhite(extra) - 1; + for (p1 = extra; p1 < p2; ++p1, --p2) + { + t = *p1; + *p1 = *p2; + *p2 = t; + } + } +#endif + p_extra = extra; + c_extra = NUL; + c_final = NUL; + } + else + { + c_extra = ' '; + c_final = NUL; + } + n_extra = number_width(wp) + 1; + char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_N)); +#ifdef FEAT_SYN_HL + // When 'cursorline' is set highlight the line number of + // the current line differently. + // When 'cursorlineopt' has "screenline" only highlight + // the line number itself. + // TODO: Can we use CursorLine instead of CursorLineNr + // when CursorLineNr isn't set? + if ((wp->w_p_cul || wp->w_p_rnu) + && (wp->w_p_culopt_flags & CULOPT_NBR) + && (row == startrow + || wp->w_p_culopt_flags & CULOPT_LINE) + && lnum == wp->w_cursor.lnum) + char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_CLN)); +#endif + } + } + } + +#ifdef FEAT_LINEBREAK + if (wp->w_p_brisbr && draw_state == WL_BRI - 1 + && n_extra == 0 && *p_sbr != NUL) + // draw indent after showbreak value + draw_state = WL_BRI; + else if (wp->w_p_brisbr && draw_state == WL_SBR && n_extra == 0) + // After the showbreak, draw the breakindent + draw_state = WL_BRI - 1; + + // draw 'breakindent': indent wrapped text accordingly + if (draw_state == WL_BRI - 1 && n_extra == 0) + { + draw_state = WL_BRI; + // if need_showbreak is set, breakindent also applies + if (wp->w_p_bri && n_extra == 0 + && (row != startrow || need_showbreak) +# ifdef FEAT_DIFF + && filler_lines == 0 +# endif + ) + { + char_attr = 0; +# ifdef FEAT_DIFF + if (diff_hlf != (hlf_T)0) + { + char_attr = HL_ATTR(diff_hlf); +# ifdef FEAT_SYN_HL + if (cul_attr != 0) + char_attr = hl_combine_attr(char_attr, cul_attr); +# endif + } +# endif + p_extra = NULL; + c_extra = ' '; + n_extra = get_breakindent_win(wp, + ml_get_buf(wp->w_buffer, lnum, FALSE)); + // Correct end of highlighted area for 'breakindent', + // required when 'linebreak' is also set. + if (tocol == vcol) + tocol += n_extra; + } + } +#endif + +#if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) + if (draw_state == WL_SBR - 1 && n_extra == 0) + { + draw_state = WL_SBR; +# ifdef FEAT_DIFF + if (filler_todo > 0) + { + // Draw "deleted" diff line(s). + if (char2cells(fill_diff) > 1) + { + c_extra = '-'; + c_final = NUL; + } + else + { + c_extra = fill_diff; + c_final = NUL; + } +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + n_extra = col + 1; + else +# endif + n_extra = wp->w_width - col; + char_attr = HL_ATTR(HLF_DED); + } +# endif +# ifdef FEAT_LINEBREAK + if (*p_sbr != NUL && need_showbreak) + { + // Draw 'showbreak' at the start of each broken line. + p_extra = p_sbr; + c_extra = NUL; + c_final = NUL; + n_extra = (int)STRLEN(p_sbr); + char_attr = HL_ATTR(HLF_AT); + need_showbreak = FALSE; + vcol_sbr = vcol + MB_CHARLEN(p_sbr); + // Correct end of highlighted area for 'showbreak', + // required when 'linebreak' is also set. + if (tocol == vcol) + tocol += n_extra; + // combine 'showbreak' with 'wincolor' + if (win_attr != 0) + char_attr = hl_combine_attr(win_attr, char_attr); +# ifdef FEAT_SYN_HL + // combine 'showbreak' with 'cursorline' + if (cul_attr != 0) + char_attr = hl_combine_attr(char_attr, cul_attr); +# endif + } +# endif + } +#endif + + if (draw_state == WL_LINE - 1 && n_extra == 0) + { + draw_state = WL_LINE; + if (saved_n_extra) + { + // Continue item from end of wrapped line. + n_extra = saved_n_extra; + c_extra = saved_c_extra; + c_final = saved_c_final; + p_extra = saved_p_extra; + char_attr = saved_char_attr; + } + else + char_attr = win_attr; + } + } +#ifdef FEAT_SYN_HL + if (cul_screenline) + { + if (draw_state == WL_LINE + && vcol >= left_curline_col + && vcol < right_curline_col) + { + cul_attr = HL_ATTR(HLF_CUL); + line_attr = cul_attr; + } + else + { + cul_attr = 0; + line_attr = line_attr_save; + } + } +#endif + + // When still displaying '$' of change command, stop at cursor. + // When only displaying the (relative) line number and that's done, + // stop here. + if ((dollar_vcol >= 0 && wp == curwin + && lnum == wp->w_cursor.lnum && vcol >= (long)wp->w_virtcol +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + ) + || (number_only && draw_state > WL_NR)) + { + screen_line(screen_row, wp->w_wincol, col, -(int)wp->w_width, + screen_line_flags); + // Pretend we have finished updating the window. Except when + // 'cursorcolumn' is set. +#ifdef FEAT_SYN_HL + if (wp->w_p_cuc) + row = wp->w_cline_row + wp->w_cline_height; + else +#endif + row = wp->w_height; + break; + } + + if (draw_state == WL_LINE && (area_highlighting +#ifdef FEAT_SPELL + || has_spell +#endif + )) + { + // handle Visual or match highlighting in this line + if (vcol == fromcol + || (has_mbyte && vcol + 1 == fromcol && n_extra == 0 + && (*mb_ptr2cells)(ptr) > 1) + || ((int)vcol_prev == fromcol_prev + && vcol_prev < vcol // not at margin + && vcol < tocol)) + area_attr = vi_attr; // start highlighting + else if (area_attr != 0 + && (vcol == tocol + || (noinvcur && (colnr_T)vcol == wp->w_virtcol))) + area_attr = 0; // stop highlighting + +#ifdef FEAT_SEARCH_EXTRA + if (!n_extra) + { + // Check for start/end of 'hlsearch' and other matches. + // After end, check for start/end of next match. + // When another match, have to check for start again. + v = (long)(ptr - line); + search_attr = update_search_hl(wp, lnum, (colnr_T)v, &line, + &screen_search_hl, &has_match_conc, + &match_conc, did_line_attr, lcs_eol_one); + ptr = line + v; // "line" may have been changed + } +#endif + +#ifdef FEAT_DIFF + if (diff_hlf != (hlf_T)0) + { + if (diff_hlf == HLF_CHD && ptr - line >= change_start + && n_extra == 0) + diff_hlf = HLF_TXD; // changed text + if (diff_hlf == HLF_TXD && ptr - line > change_end + && n_extra == 0) + diff_hlf = HLF_CHD; // changed line + line_attr = HL_ATTR(diff_hlf); + if (wp->w_p_cul && lnum == wp->w_cursor.lnum + && wp->w_p_culopt_flags != CULOPT_NBR + && (!cul_screenline || (vcol >= left_curline_col + && vcol <= right_curline_col))) + line_attr = hl_combine_attr( + line_attr, HL_ATTR(HLF_CUL)); + } +#endif + +#ifdef FEAT_TEXT_PROP + if (text_props != NULL) + { + int pi; + int bcol = (int)(ptr - line); + + if (n_extra > 0) + --bcol; // still working on the previous char, e.g. Tab + + // Check if any active property ends. + for (pi = 0; pi < text_props_active; ++pi) + { + int tpi = text_prop_idxs[pi]; + + if (bcol >= text_props[tpi].tp_col - 1 + + text_props[tpi].tp_len) + { + if (pi + 1 < text_props_active) + mch_memmove(text_prop_idxs + pi, + text_prop_idxs + pi + 1, + sizeof(int) + * (text_props_active - (pi + 1))); + --text_props_active; + --pi; + } + } + + // Add any text property that starts in this column. + while (text_prop_next < text_prop_count + && bcol >= text_props[text_prop_next].tp_col - 1) + text_prop_idxs[text_props_active++] = text_prop_next++; + + text_prop_attr = 0; + text_prop_combine = FALSE; + if (text_props_active > 0) + { + // Sort the properties on priority and/or starting last. + // Then combine the attributes, highest priority last. + current_text_props = text_props; + current_buf = wp->w_buffer; + qsort((void *)text_prop_idxs, (size_t)text_props_active, + sizeof(int), text_prop_compare); + + for (pi = 0; pi < text_props_active; ++pi) + { + int tpi = text_prop_idxs[pi]; + proptype_T *pt = text_prop_type_by_id( + wp->w_buffer, text_props[tpi].tp_type); + + if (pt != NULL && pt->pt_hl_id > 0) + { + int pt_attr = syn_id2attr(pt->pt_hl_id); + + text_prop_type = pt; + text_prop_attr = + hl_combine_attr(text_prop_attr, pt_attr); + text_prop_combine = pt->pt_flags & PT_FLAG_COMBINE; + } + } + } + } +#endif + + // Decide which of the highlight attributes to use. + attr_pri = TRUE; +#ifdef LINE_ATTR + if (area_attr != 0) + char_attr = hl_combine_attr(line_attr, area_attr); + else if (search_attr != 0) + char_attr = hl_combine_attr(line_attr, search_attr); +# ifdef FEAT_TEXT_PROP + else if (text_prop_type != NULL) + { + char_attr = hl_combine_attr( + line_attr != 0 ? line_attr : win_attr, text_prop_attr); + } +# endif + else if (line_attr != 0 && ((fromcol == -10 && tocol == MAXCOL) + || vcol < fromcol || vcol_prev < fromcol_prev + || vcol >= tocol)) + { + // Use line_attr when not in the Visual or 'incsearch' area + // (area_attr may be 0 when "noinvcur" is set). + char_attr = line_attr; + attr_pri = FALSE; + } +#else + if (area_attr != 0) + char_attr = area_attr; + else if (search_attr != 0) + char_attr = search_attr; +#endif + else + { + attr_pri = FALSE; +#ifdef FEAT_TEXT_PROP + if (text_prop_type != NULL) + { + if (text_prop_combine) + char_attr = hl_combine_attr( + syntax_attr, text_prop_attr); + else + char_attr = hl_combine_attr( + win_attr, text_prop_attr); + } + else +#endif +#ifdef FEAT_SYN_HL + if (has_syntax) + char_attr = syntax_attr; + else +#endif + char_attr = 0; + } + } + if (char_attr == 0) + char_attr = win_attr; + + // Get the next character to put on the screen. + + // The "p_extra" points to the extra stuff that is inserted to + // represent special characters (non-printable stuff) and other + // things. When all characters are the same, c_extra is used. + // If c_final is set, it will compulsorily be used at the end. + // "p_extra" must end in a NUL to avoid mb_ptr2len() reads past + // "p_extra[n_extra]". + // For the '$' of the 'list' option, n_extra == 1, p_extra == "". + if (n_extra > 0) + { + if (c_extra != NUL || (n_extra == 1 && c_final != NUL)) + { + c = (n_extra == 1 && c_final != NUL) ? c_final : c_extra; + mb_c = c; // doesn't handle non-utf-8 multi-byte! + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + else + mb_utf8 = FALSE; + } + else + { + c = *p_extra; + if (has_mbyte) + { + mb_c = c; + if (enc_utf8) + { + // If the UTF-8 character is more than one byte: + // Decode it into "mb_c". + mb_l = utfc_ptr2len(p_extra); + mb_utf8 = FALSE; + if (mb_l > n_extra) + mb_l = 1; + else if (mb_l > 1) + { + mb_c = utfc_ptr2char(p_extra, u8cc); + mb_utf8 = TRUE; + c = 0xc0; + } + } + else + { + // if this is a DBCS character, put it in "mb_c" + mb_l = MB_BYTE2LEN(c); + if (mb_l >= n_extra) + mb_l = 1; + else if (mb_l > 1) + mb_c = (c << 8) + p_extra[1]; + } + if (mb_l == 0) // at the NUL at end-of-line + mb_l = 1; + + // If a double-width char doesn't fit display a '>' in the + // last column. + if (( +# ifdef FEAT_RIGHTLEFT + wp->w_p_rl ? (col <= 0) : +# endif + (col >= wp->w_width - 1)) + && (*mb_char2cells)(mb_c) == 2) + { + c = '>'; + mb_c = c; + mb_l = 1; + mb_utf8 = FALSE; + multi_attr = HL_ATTR(HLF_AT); +#ifdef FEAT_SYN_HL + if (cul_attr) + multi_attr = hl_combine_attr(multi_attr, cul_attr); +#endif + // put the pointer back to output the double-width + // character at the start of the next line. + ++n_extra; + --p_extra; + } + else + { + n_extra -= mb_l - 1; + p_extra += mb_l - 1; + } + } + ++p_extra; + } + --n_extra; + } + else + { +#ifdef FEAT_LINEBREAK + int c0; +#endif + + if (p_extra_free != NULL) + VIM_CLEAR(p_extra_free); + // Get a character from the line itself. + c = *ptr; +#ifdef FEAT_LINEBREAK + c0 = *ptr; +#endif + if (has_mbyte) + { + mb_c = c; + if (enc_utf8) + { + // If the UTF-8 character is more than one byte: Decode it + // into "mb_c". + mb_l = utfc_ptr2len(ptr); + mb_utf8 = FALSE; + if (mb_l > 1) + { + mb_c = utfc_ptr2char(ptr, u8cc); + // Overlong encoded ASCII or ASCII with composing char + // is displayed normally, except a NUL. + if (mb_c < 0x80) + { + c = mb_c; +#ifdef FEAT_LINEBREAK + c0 = mb_c; +#endif + } + mb_utf8 = TRUE; + + // At start of the line we can have a composing char. + // Draw it as a space with a composing char. + if (utf_iscomposing(mb_c)) + { + int i; + + for (i = Screen_mco - 1; i > 0; --i) + u8cc[i] = u8cc[i - 1]; + u8cc[0] = mb_c; + mb_c = ' '; + } + } + + if ((mb_l == 1 && c >= 0x80) + || (mb_l >= 1 && mb_c == 0) + || (mb_l > 1 && (!vim_isprintc(mb_c)))) + { + // Illegal UTF-8 byte: display as <xx>. + // Non-BMP character : display as ? or fullwidth ?. + transchar_hex(extra, mb_c); +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) // reverse + rl_mirror(extra); +# endif + p_extra = extra; + c = *p_extra; + mb_c = mb_ptr2char_adv(&p_extra); + mb_utf8 = (c >= 0x80); + n_extra = (int)STRLEN(p_extra); + c_extra = NUL; + c_final = NUL; + if (area_attr == 0 && search_attr == 0) + { + n_attr = n_extra + 1; + extra_attr = HL_ATTR(HLF_8); + saved_attr2 = char_attr; // save current attr + } + } + else if (mb_l == 0) // at the NUL at end-of-line + mb_l = 1; +#ifdef FEAT_ARABIC + else if (p_arshape && !p_tbidi && ARABIC_CHAR(mb_c)) + { + // Do Arabic shaping. + int pc, pc1, nc; + int pcc[MAX_MCO]; + + // The idea of what is the previous and next + // character depends on 'rightleft'. + if (wp->w_p_rl) + { + pc = prev_c; + pc1 = prev_c1; + nc = utf_ptr2char(ptr + mb_l); + prev_c1 = u8cc[0]; + } + else + { + pc = utfc_ptr2char(ptr + mb_l, pcc); + nc = prev_c; + pc1 = pcc[0]; + } + prev_c = mb_c; + + mb_c = arabic_shape(mb_c, &c, &u8cc[0], pc, pc1, nc); + } + else + prev_c = mb_c; +#endif + } + else // enc_dbcs + { + mb_l = MB_BYTE2LEN(c); + if (mb_l == 0) // at the NUL at end-of-line + mb_l = 1; + else if (mb_l > 1) + { + // We assume a second byte below 32 is illegal. + // Hopefully this is OK for all double-byte encodings! + if (ptr[1] >= 32) + mb_c = (c << 8) + ptr[1]; + else + { + if (ptr[1] == NUL) + { + // head byte at end of line + mb_l = 1; + transchar_nonprint(extra, c); + } + else + { + // illegal tail byte + mb_l = 2; + STRCPY(extra, "XX"); + } + p_extra = extra; + n_extra = (int)STRLEN(extra) - 1; + c_extra = NUL; + c_final = NUL; + c = *p_extra++; + if (area_attr == 0 && search_attr == 0) + { + n_attr = n_extra + 1; + extra_attr = HL_ATTR(HLF_8); + saved_attr2 = char_attr; // save current attr + } + mb_c = c; + } + } + } + // If a double-width char doesn't fit display a '>' in the + // last column; the character is displayed at the start of the + // next line. + if (( +# ifdef FEAT_RIGHTLEFT + wp->w_p_rl ? (col <= 0) : +# endif + (col >= wp->w_width - 1)) + && (*mb_char2cells)(mb_c) == 2) + { + c = '>'; + mb_c = c; + mb_utf8 = FALSE; + mb_l = 1; + multi_attr = HL_ATTR(HLF_AT); + // Put pointer back so that the character will be + // displayed at the start of the next line. + --ptr; +#ifdef FEAT_CONCEAL + did_decrement_ptr = TRUE; +#endif + } + else if (*ptr != NUL) + ptr += mb_l - 1; + + // If a double-width char doesn't fit at the left side display + // a '<' in the first column. Don't do this for unprintable + // characters. + if (n_skip > 0 && mb_l > 1 && n_extra == 0) + { + n_extra = 1; + c_extra = MB_FILLER_CHAR; + c_final = NUL; + c = ' '; + if (area_attr == 0 && search_attr == 0) + { + n_attr = n_extra + 1; + extra_attr = HL_ATTR(HLF_AT); + saved_attr2 = char_attr; // save current attr + } + mb_c = c; + mb_utf8 = FALSE; + mb_l = 1; + } + + } + ++ptr; + + if (extra_check) + { +#ifdef FEAT_SPELL + int can_spell = TRUE; +#endif + +#ifdef FEAT_TERMINAL + if (get_term_attr) + { + syntax_attr = term_get_attr(wp->w_buffer, lnum, vcol); + + if (!attr_pri) + char_attr = syntax_attr; + else + char_attr = hl_combine_attr(syntax_attr, char_attr); + } +#endif + +#ifdef FEAT_SYN_HL + // Get syntax attribute, unless still at the start of the line + // (double-wide char that doesn't fit). + v = (long)(ptr - line); + if (has_syntax && v > 0) + { + // Get the syntax attribute for the character. If there + // is an error, disable syntax highlighting. + save_did_emsg = did_emsg; + did_emsg = FALSE; + + syntax_attr = get_syntax_attr((colnr_T)v - 1, +# ifdef FEAT_SPELL + has_spell ? &can_spell : +# endif + NULL, FALSE); + + if (did_emsg) + { + wp->w_s->b_syn_error = TRUE; + has_syntax = FALSE; + syntax_attr = 0; + } + else + did_emsg = save_did_emsg; + + // combine syntax attribute with 'wincolor' + if (win_attr != 0) + syntax_attr = hl_combine_attr(win_attr, syntax_attr); + +# ifdef SYN_TIME_LIMIT + if (wp->w_s->b_syn_slow) + has_syntax = FALSE; +# endif + + // Need to get the line again, a multi-line regexp may + // have made it invalid. + line = ml_get_buf(wp->w_buffer, lnum, FALSE); + ptr = line + v; + +# ifdef FEAT_TEXT_PROP + // Text properties overrule syntax highlighting or combine. + if (text_prop_attr == 0 || text_prop_combine) +# endif + { + int comb_attr = syntax_attr; +# ifdef FEAT_TEXT_PROP + comb_attr = hl_combine_attr(text_prop_attr, comb_attr); +# endif + if (!attr_pri) + { +#ifdef FEAT_SYN_HL + if (cul_attr) + char_attr = hl_combine_attr( + comb_attr, cul_attr); + else +#endif + if (line_attr) + char_attr = hl_combine_attr( + comb_attr, line_attr); + else + char_attr = comb_attr; + } + else + char_attr = hl_combine_attr(comb_attr, char_attr); + } +# ifdef FEAT_CONCEAL + // no concealing past the end of the line, it interferes + // with line highlighting + if (c == NUL) + syntax_flags = 0; + else + syntax_flags = get_syntax_info(&syntax_seqnr); +# endif + } +#endif + +#ifdef FEAT_SPELL + // Check spelling (unless at the end of the line). + // Only do this when there is no syntax highlighting, the + // @Spell cluster is not used or the current syntax item + // contains the @Spell cluster. + if (has_spell && v >= word_end && v > cur_checked_col) + { + spell_attr = 0; + if (c != 0 && ( +# ifdef FEAT_SYN_HL + !has_syntax || +# endif + can_spell)) + { + char_u *prev_ptr, *p; + int len; + hlf_T spell_hlf = HLF_COUNT; + if (has_mbyte) + { + prev_ptr = ptr - mb_l; + v -= mb_l - 1; + } + else + prev_ptr = ptr - 1; + + // Use nextline[] if possible, it has the start of the + // next line concatenated. + if ((prev_ptr - line) - nextlinecol >= 0) + p = nextline + (prev_ptr - line) - nextlinecol; + else + p = prev_ptr; + cap_col -= (int)(prev_ptr - line); + len = spell_check(wp, p, &spell_hlf, &cap_col, + nochange); + word_end = v + len; + + // In Insert mode only highlight a word that + // doesn't touch the cursor. + if (spell_hlf != HLF_COUNT + && (State & INSERT) != 0 + && wp->w_cursor.lnum == lnum + && wp->w_cursor.col >= + (colnr_T)(prev_ptr - line) + && wp->w_cursor.col < (colnr_T)word_end) + { + spell_hlf = HLF_COUNT; + spell_redraw_lnum = lnum; + } + + if (spell_hlf == HLF_COUNT && p != prev_ptr + && (p - nextline) + len > nextline_idx) + { + // Remember that the good word continues at the + // start of the next line. + checked_lnum = lnum + 1; + checked_col = (int)((p - nextline) + len - nextline_idx); + } + + // Turn index into actual attributes. + if (spell_hlf != HLF_COUNT) + spell_attr = highlight_attr[spell_hlf]; + + if (cap_col > 0) + { + if (p != prev_ptr + && (p - nextline) + cap_col >= nextline_idx) + { + // Remember that the word in the next line + // must start with a capital. + capcol_lnum = lnum + 1; + cap_col = (int)((p - nextline) + cap_col + - nextline_idx); + } + else + // Compute the actual column. + cap_col += (int)(prev_ptr - line); + } + } + } + if (spell_attr != 0) + { + if (!attr_pri) + char_attr = hl_combine_attr(char_attr, spell_attr); + else + char_attr = hl_combine_attr(spell_attr, char_attr); + } +#endif +#ifdef FEAT_LINEBREAK + // Found last space before word: check for line break. + if (wp->w_p_lbr && c0 == c + && VIM_ISBREAK(c) && !VIM_ISBREAK((int)*ptr)) + { + int mb_off = has_mbyte ? (*mb_head_off)(line, ptr - 1) : 0; + char_u *p = ptr - (mb_off + 1); + + // TODO: is passing p for start of the line OK? + n_extra = win_lbr_chartabsize(wp, line, p, (colnr_T)vcol, + NULL) - 1; + if (c == TAB && n_extra + col > wp->w_width) +# ifdef FEAT_VARTABS + n_extra = tabstop_padding(vcol, wp->w_buffer->b_p_ts, + wp->w_buffer->b_p_vts_array) - 1; +# else + n_extra = (int)wp->w_buffer->b_p_ts + - vcol % (int)wp->w_buffer->b_p_ts - 1; +# endif + + c_extra = mb_off > 0 ? MB_FILLER_CHAR : ' '; + c_final = NUL; + if (VIM_ISWHITE(c)) + { +#ifdef FEAT_CONCEAL + if (c == TAB) + // See "Tab alignment" below. + FIX_FOR_BOGUSCOLS; +#endif + if (!wp->w_p_list) + c = ' '; + } + } +#endif + + // 'list': Change char 160 to lcs_nbsp and space to lcs_space. + // But not when the character is followed by a composing + // character (use mb_l to check that). + if (wp->w_p_list + && ((((c == 160 && mb_l == 1) + || (mb_utf8 + && ((mb_c == 160 && mb_l == 2) + || (mb_c == 0x202f && mb_l == 3)))) + && lcs_nbsp) + || (c == ' ' + && mb_l == 1 + && lcs_space + && ptr - line <= trailcol))) + { + c = (c == ' ') ? lcs_space : lcs_nbsp; + if (area_attr == 0 && search_attr == 0) + { + n_attr = 1; + extra_attr = HL_ATTR(HLF_8); + saved_attr2 = char_attr; // save current attr + } + mb_c = c; + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + else + mb_utf8 = FALSE; + } + + if (trailcol != MAXCOL && ptr > line + trailcol && c == ' ') + { + c = lcs_trail; + if (!attr_pri) + { + n_attr = 1; + extra_attr = HL_ATTR(HLF_8); + saved_attr2 = char_attr; // save current attr + } + mb_c = c; + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + else + mb_utf8 = FALSE; + } + } + + // Handling of non-printable characters. + if (!vim_isprintc(c)) + { + // when getting a character from the file, we may have to + // turn it into something else on the way to putting it + // into "ScreenLines". + if (c == TAB && (!wp->w_p_list || lcs_tab1)) + { + int tab_len = 0; + long vcol_adjusted = vcol; // removed showbreak length +#ifdef FEAT_LINEBREAK + // only adjust the tab_len, when at the first column + // after the showbreak value was drawn + if (*p_sbr != NUL && vcol == vcol_sbr && wp->w_p_wrap) + vcol_adjusted = vcol - MB_CHARLEN(p_sbr); +#endif + // tab amount depends on current column +#ifdef FEAT_VARTABS + tab_len = tabstop_padding(vcol_adjusted, + wp->w_buffer->b_p_ts, + wp->w_buffer->b_p_vts_array) - 1; +#else + tab_len = (int)wp->w_buffer->b_p_ts + - vcol_adjusted % (int)wp->w_buffer->b_p_ts - 1; +#endif + +#ifdef FEAT_LINEBREAK + if (!wp->w_p_lbr || !wp->w_p_list) +#endif + // tab amount depends on current column + n_extra = tab_len; +#ifdef FEAT_LINEBREAK + else + { + char_u *p; + int len; + int i; + int saved_nextra = n_extra; + +#ifdef FEAT_CONCEAL + if (vcol_off > 0) + // there are characters to conceal + tab_len += vcol_off; + // boguscols before FIX_FOR_BOGUSCOLS macro from above + if (wp->w_p_list && lcs_tab1 && old_boguscols > 0 + && n_extra > tab_len) + tab_len += n_extra - tab_len; +#endif + + // if n_extra > 0, it gives the number of chars, to + // use for a tab, else we need to calculate the width + // for a tab + len = (tab_len * mb_char2len(lcs_tab2)); + if (n_extra > 0) + len += n_extra - tab_len; + c = lcs_tab1; + p = alloc(len + 1); + vim_memset(p, ' ', len); + p[len] = NUL; + vim_free(p_extra_free); + p_extra_free = p; + for (i = 0; i < tab_len; i++) + { + int lcs = lcs_tab2; + + if (*p == NUL) + { + tab_len = i; + break; + } + + // if lcs_tab3 is given, need to change the char + // for tab + if (lcs_tab3 && i == tab_len - 1) + lcs = lcs_tab3; + mb_char2bytes(lcs, p); + p += mb_char2len(lcs); + n_extra += mb_char2len(lcs) + - (saved_nextra > 0 ? 1 : 0); + } + p_extra = p_extra_free; +#ifdef FEAT_CONCEAL + // n_extra will be increased by FIX_FOX_BOGUSCOLS + // macro below, so need to adjust for that here + if (vcol_off > 0) + n_extra -= vcol_off; +#endif + } +#endif +#ifdef FEAT_CONCEAL + { + int vc_saved = vcol_off; + + // Tab alignment should be identical regardless of + // 'conceallevel' value. So tab compensates of all + // previous concealed characters, and thus resets + // vcol_off and boguscols accumulated so far in the + // line. Note that the tab can be longer than + // 'tabstop' when there are concealed characters. + FIX_FOR_BOGUSCOLS; + + // Make sure, the highlighting for the tab char will be + // correctly set further below (effectively reverts the + // FIX_FOR_BOGSUCOLS macro + if (n_extra == tab_len + vc_saved && wp->w_p_list + && lcs_tab1) + tab_len += vc_saved; + } +#endif + mb_utf8 = FALSE; // don't draw as UTF-8 + if (wp->w_p_list) + { + c = (n_extra == 0 && lcs_tab3) ? lcs_tab3 : lcs_tab1; +#ifdef FEAT_LINEBREAK + if (wp->w_p_lbr) + c_extra = NUL; // using p_extra from above + else +#endif + c_extra = lcs_tab2; + c_final = lcs_tab3; + n_attr = tab_len + 1; + extra_attr = HL_ATTR(HLF_8); + saved_attr2 = char_attr; // save current attr + mb_c = c; + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + } + else + { + c_final = NUL; + c_extra = ' '; + c = ' '; + } + } + else if (c == NUL + && (wp->w_p_list + || ((fromcol >= 0 || fromcol_prev >= 0) + && tocol > vcol + && VIsual_mode != Ctrl_V + && ( +# ifdef FEAT_RIGHTLEFT + wp->w_p_rl ? (col >= 0) : +# endif + (col < wp->w_width)) + && !(noinvcur + && lnum == wp->w_cursor.lnum + && (colnr_T)vcol == wp->w_virtcol))) + && lcs_eol_one > 0) + { + // Display a '$' after the line or highlight an extra + // character if the line break is included. +#if defined(FEAT_DIFF) || defined(LINE_ATTR) + // For a diff line the highlighting continues after the + // "$". + if ( +# ifdef FEAT_DIFF + diff_hlf == (hlf_T)0 +# ifdef LINE_ATTR + && +# endif +# endif +# ifdef LINE_ATTR + line_attr == 0 +# endif + ) +#endif + { + // In virtualedit, visual selections may extend + // beyond end of line. + if (area_highlighting && virtual_active() + && tocol != MAXCOL && vcol < tocol) + n_extra = 0; + else + { + p_extra = at_end_str; + n_extra = 1; + c_extra = NUL; + c_final = NUL; + } + } + if (wp->w_p_list && lcs_eol > 0) + c = lcs_eol; + else + c = ' '; + lcs_eol_one = -1; + --ptr; // put it back at the NUL + if (!attr_pri) + { + extra_attr = HL_ATTR(HLF_AT); + n_attr = 1; + } + mb_c = c; + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + else + mb_utf8 = FALSE; // don't draw as UTF-8 + } + else if (c != NUL) + { + p_extra = transchar(c); + if (n_extra == 0) + n_extra = byte2cells(c) - 1; +#ifdef FEAT_RIGHTLEFT + if ((dy_flags & DY_UHEX) && wp->w_p_rl) + rl_mirror(p_extra); // reverse "<12>" +#endif + c_extra = NUL; + c_final = NUL; +#ifdef FEAT_LINEBREAK + if (wp->w_p_lbr) + { + char_u *p; + + c = *p_extra; + p = alloc(n_extra + 1); + vim_memset(p, ' ', n_extra); + STRNCPY(p, p_extra + 1, STRLEN(p_extra) - 1); + p[n_extra] = NUL; + vim_free(p_extra_free); + p_extra_free = p_extra = p; + } + else +#endif + { + n_extra = byte2cells(c) - 1; + c = *p_extra++; + } + if (!attr_pri) + { + n_attr = n_extra + 1; + extra_attr = HL_ATTR(HLF_8); + saved_attr2 = char_attr; // save current attr + } + mb_utf8 = FALSE; // don't draw as UTF-8 + } + else if (VIsual_active + && (VIsual_mode == Ctrl_V + || VIsual_mode == 'v') + && virtual_active() + && tocol != MAXCOL + && vcol < tocol + && ( +#ifdef FEAT_RIGHTLEFT + wp->w_p_rl ? (col >= 0) : +#endif + (col < wp->w_width))) + { + c = ' '; + --ptr; // put it back at the NUL + } +#if defined(LINE_ATTR) + else if (( +# ifdef FEAT_DIFF + diff_hlf != (hlf_T)0 || +# endif +# ifdef FEAT_TERMINAL + win_attr != 0 || +# endif + line_attr != 0 + ) && ( +# ifdef FEAT_RIGHTLEFT + wp->w_p_rl ? (col >= 0) : +# endif + (col +# ifdef FEAT_CONCEAL + - boguscols +# endif + < wp->w_width))) + { + // Highlight until the right side of the window + c = ' '; + --ptr; // put it back at the NUL + + // Remember we do the char for line highlighting. + ++did_line_attr; + + // don't do search HL for the rest of the line + if (line_attr != 0 && char_attr == search_attr + && (did_line_attr > 1 + || (wp->w_p_list && lcs_eol > 0))) + char_attr = line_attr; +# ifdef FEAT_DIFF + if (diff_hlf == HLF_TXD) + { + diff_hlf = HLF_CHD; + if (vi_attr == 0 || char_attr != vi_attr) + { + char_attr = HL_ATTR(diff_hlf); + if (wp->w_p_cul && lnum == wp->w_cursor.lnum + && wp->w_p_culopt_flags != CULOPT_NBR + && (!cul_screenline + || (vcol >= left_curline_col + && vcol <= right_curline_col))) + char_attr = hl_combine_attr( + char_attr, HL_ATTR(HLF_CUL)); + } + } +# endif +# ifdef FEAT_TERMINAL + if (win_attr != 0) + { + char_attr = win_attr; + if (wp->w_p_cul && lnum == wp->w_cursor.lnum) + { + if (!cul_screenline || (vcol >= left_curline_col + && vcol <= right_curline_col)) + char_attr = hl_combine_attr( + char_attr, HL_ATTR(HLF_CUL)); + } + else if (line_attr) + char_attr = hl_combine_attr(char_attr, line_attr); + } +# endif + } +#endif + } + +#ifdef FEAT_CONCEAL + if ( wp->w_p_cole > 0 + && (wp != curwin || lnum != wp->w_cursor.lnum || + conceal_cursor_line(wp)) + && ((syntax_flags & HL_CONCEAL) != 0 || has_match_conc > 0) + && !(lnum_in_visual_area + && vim_strchr(wp->w_p_cocu, 'v') == NULL)) + { + char_attr = conceal_attr; + if ((prev_syntax_id != syntax_seqnr || has_match_conc > 1) + && (syn_get_sub_char() != NUL || match_conc + || wp->w_p_cole == 1) + && wp->w_p_cole != 3) + { + // First time at this concealed item: display one + // character. + if (match_conc) + c = match_conc; + else if (syn_get_sub_char() != NUL) + c = syn_get_sub_char(); + else if (lcs_conceal != NUL) + c = lcs_conceal; + else + c = ' '; + + prev_syntax_id = syntax_seqnr; + + if (n_extra > 0) + vcol_off += n_extra; + vcol += n_extra; + if (wp->w_p_wrap && n_extra > 0) + { +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + col -= n_extra; + boguscols -= n_extra; + } + else +# endif + { + boguscols += n_extra; + col += n_extra; + } + } + n_extra = 0; + n_attr = 0; + } + else if (n_skip == 0) + { + is_concealing = TRUE; + n_skip = 1; + } + mb_c = c; + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + else + mb_utf8 = FALSE; // don't draw as UTF-8 + } + else + { + prev_syntax_id = 0; + is_concealing = FALSE; + } + + if (n_skip > 0 && did_decrement_ptr) + // not showing the '>', put pointer back to avoid getting stuck + ++ptr; + +#endif // FEAT_CONCEAL + } + +#ifdef FEAT_CONCEAL + // In the cursor line and we may be concealing characters: correct + // the cursor column when we reach its position. + if (!did_wcol && draw_state == WL_LINE + && wp == curwin && lnum == wp->w_cursor.lnum + && conceal_cursor_line(wp) + && (int)wp->w_virtcol <= vcol + n_skip) + { +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + wp->w_wcol = wp->w_width - col + boguscols - 1; + else +# endif + wp->w_wcol = col - boguscols; + wp->w_wrow = row; + did_wcol = TRUE; + curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL; + } +#endif + + // Don't override visual selection highlighting. + if (n_attr > 0 + && draw_state == WL_LINE + && !attr_pri) + { +#ifdef LINE_ATTR + if (line_attr) + char_attr = hl_combine_attr(extra_attr, line_attr); + else +#endif + char_attr = extra_attr; + } + +#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) + // XIM don't send preedit_start and preedit_end, but they send + // preedit_changed and commit. Thus Vim can't set "im_is_active", use + // im_is_preediting() here. + if (p_imst == IM_ON_THE_SPOT + && xic != NULL + && lnum == wp->w_cursor.lnum + && (State & INSERT) + && !p_imdisable + && im_is_preediting() + && draw_state == WL_LINE) + { + colnr_T tcol; + + if (preedit_end_col == MAXCOL) + getvcol(curwin, &(wp->w_cursor), &tcol, NULL, NULL); + else + tcol = preedit_end_col; + if ((long)preedit_start_col <= vcol && vcol < (long)tcol) + { + if (feedback_old_attr < 0) + { + feedback_col = 0; + feedback_old_attr = char_attr; + } + char_attr = im_get_feedback_attr(feedback_col); + if (char_attr < 0) + char_attr = feedback_old_attr; + feedback_col++; + } + else if (feedback_old_attr >= 0) + { + char_attr = feedback_old_attr; + feedback_old_attr = -1; + feedback_col = 0; + } + } +#endif + // Handle the case where we are in column 0 but not on the first + // character of the line and the user wants us to show us a + // special character (via 'listchars' option "precedes:<char>". + if (lcs_prec_todo != NUL + && wp->w_p_list + && (wp->w_p_wrap ? wp->w_skipcol > 0 : wp->w_leftcol > 0) +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + && draw_state > WL_NR + && c != NUL) + { + c = lcs_prec; + lcs_prec_todo = NUL; + if (has_mbyte && (*mb_char2cells)(mb_c) > 1) + { + // Double-width character being overwritten by the "precedes" + // character, need to fill up half the character. + c_extra = MB_FILLER_CHAR; + c_final = NUL; + n_extra = 1; + n_attr = 2; + extra_attr = HL_ATTR(HLF_AT); + } + mb_c = c; + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + else + mb_utf8 = FALSE; // don't draw as UTF-8 + if (!attr_pri) + { + saved_attr3 = char_attr; // save current attr + char_attr = HL_ATTR(HLF_AT); // later copied to char_attr + n_attr3 = 1; + } + } + + // At end of the text line or just after the last character. + if ((c == NUL +#if defined(LINE_ATTR) + || did_line_attr == 1 +#endif + ) && eol_hl_off == 0) + { +#ifdef FEAT_SEARCH_EXTRA + // flag to indicate whether prevcol equals startcol of search_hl or + // one of the matches + int prevcol_hl_flag = get_prevcol_hl_flag(wp, &screen_search_hl, + (long)(ptr - line) - (c == NUL)); +#endif + // Invert at least one char, used for Visual and empty line or + // highlight match at end of line. If it's beyond the last + // char on the screen, just overwrite that one (tricky!) Not + // needed when a '$' was displayed for 'list'. + if (lcs_eol == lcs_eol_one + && ((area_attr != 0 && vcol == fromcol + && (VIsual_mode != Ctrl_V + || lnum == VIsual.lnum + || lnum == curwin->w_cursor.lnum) + && c == NUL) +#ifdef FEAT_SEARCH_EXTRA + // highlight 'hlsearch' match at end of line + || (prevcol_hl_flag +# ifdef FEAT_SYN_HL + && !(wp->w_p_cul && lnum == wp->w_cursor.lnum + && !(wp == curwin && VIsual_active)) +# endif +# ifdef FEAT_DIFF + && diff_hlf == (hlf_T)0 +# endif +# if defined(LINE_ATTR) + && did_line_attr <= 1 +# endif + ) +#endif + )) + { + int n = 0; + +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + if (col < 0) + n = 1; + } + else +#endif + { + if (col >= wp->w_width) + n = -1; + } + if (n != 0) + { + // At the window boundary, highlight the last character + // instead (better than nothing). + off += n; + col += n; + } + else + { + // Add a blank character to highlight. + ScreenLines[off] = ' '; + if (enc_utf8) + ScreenLinesUC[off] = 0; + } +#ifdef FEAT_SEARCH_EXTRA + if (area_attr == 0) + { + // Use attributes from match with highest priority among + // 'search_hl' and the match list. + get_search_match_hl(wp, &screen_search_hl, + (long)(ptr - line), &char_attr); + } +#endif + ScreenAttrs[off] = char_attr; +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + --col; + --off; + } + else +#endif + { + ++col; + ++off; + } + ++vcol; + eol_hl_off = 1; + } + } + + // At end of the text line. + if (c == NUL) + { +#ifdef FEAT_SYN_HL + // Highlight 'cursorcolumn' & 'colorcolumn' past end of the line. + if (wp->w_p_wrap) + v = wp->w_skipcol; + else + v = wp->w_leftcol; + + // check if line ends before left margin + if (vcol < v + col - win_col_off(wp)) + vcol = v + col - win_col_off(wp); +#ifdef FEAT_CONCEAL + // Get rid of the boguscols now, we want to draw until the right + // edge for 'cursorcolumn'. + col -= boguscols; + boguscols = 0; +#endif + + if (draw_color_col) + draw_color_col = advance_color_col(VCOL_HLC, &color_cols); + + if (((wp->w_p_cuc + && (int)wp->w_virtcol >= VCOL_HLC - eol_hl_off + && (int)wp->w_virtcol < + wp->w_width * (row - startrow + 1) + v + && lnum != wp->w_cursor.lnum) + || draw_color_col + || win_attr != 0) +# ifdef FEAT_RIGHTLEFT + && !wp->w_p_rl +# endif + ) + { + int rightmost_vcol = 0; + int i; + + if (wp->w_p_cuc) + rightmost_vcol = wp->w_virtcol; + if (draw_color_col) + // determine rightmost colorcolumn to possibly draw + for (i = 0; color_cols[i] >= 0; ++i) + if (rightmost_vcol < color_cols[i]) + rightmost_vcol = color_cols[i]; + + while (col < wp->w_width) + { + ScreenLines[off] = ' '; + if (enc_utf8) + ScreenLinesUC[off] = 0; + ++col; + if (draw_color_col) + draw_color_col = advance_color_col(VCOL_HLC, + &color_cols); + + if (wp->w_p_cuc && VCOL_HLC == (long)wp->w_virtcol) + ScreenAttrs[off++] = HL_ATTR(HLF_CUC); + else if (draw_color_col && VCOL_HLC == *color_cols) + ScreenAttrs[off++] = HL_ATTR(HLF_MC); + else + ScreenAttrs[off++] = win_attr; + + if (VCOL_HLC >= rightmost_vcol && win_attr == 0) + break; + + ++vcol; + } + } +#endif + + screen_line(screen_row, wp->w_wincol, col, + (int)wp->w_width, screen_line_flags); + row++; + + // Update w_cline_height and w_cline_folded if the cursor line was + // updated (saves a call to plines() later). + if (wp == curwin && lnum == curwin->w_cursor.lnum) + { + curwin->w_cline_row = startrow; + curwin->w_cline_height = row - startrow; +#ifdef FEAT_FOLDING + curwin->w_cline_folded = FALSE; +#endif + curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); + } + + break; + } + + // Show "extends" character from 'listchars' if beyond the line end and + // 'list' is set. + if (lcs_ext != NUL + && wp->w_p_list + && !wp->w_p_wrap +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + && ( +#ifdef FEAT_RIGHTLEFT + wp->w_p_rl ? col == 0 : +#endif + col == wp->w_width - 1) + && (*ptr != NUL + || (wp->w_p_list && lcs_eol_one > 0) + || (n_extra && (c_extra != NUL || *p_extra != NUL)))) + { + c = lcs_ext; + char_attr = HL_ATTR(HLF_AT); + mb_c = c; + if (enc_utf8 && utf_char2len(c) > 1) + { + mb_utf8 = TRUE; + u8cc[0] = 0; + c = 0xc0; + } + else + mb_utf8 = FALSE; + } + +#ifdef FEAT_SYN_HL + // advance to the next 'colorcolumn' + if (draw_color_col) + draw_color_col = advance_color_col(VCOL_HLC, &color_cols); + + // Highlight the cursor column if 'cursorcolumn' is set. But don't + // highlight the cursor position itself. + // Also highlight the 'colorcolumn' if it is different than + // 'cursorcolumn' + vcol_save_attr = -1; + if (draw_state == WL_LINE && !lnum_in_visual_area + && search_attr == 0 && area_attr == 0) + { + if (wp->w_p_cuc && VCOL_HLC == (long)wp->w_virtcol + && lnum != wp->w_cursor.lnum) + { + vcol_save_attr = char_attr; + char_attr = hl_combine_attr(char_attr, HL_ATTR(HLF_CUC)); + } + else if (draw_color_col && VCOL_HLC == *color_cols) + { + vcol_save_attr = char_attr; + char_attr = hl_combine_attr(char_attr, HL_ATTR(HLF_MC)); + } + } +#endif + + // Store character to be displayed. + // Skip characters that are left of the screen for 'nowrap'. + vcol_prev = vcol; + if (draw_state < WL_LINE || n_skip <= 0) + { + // Store the character. +#if defined(FEAT_RIGHTLEFT) + if (has_mbyte && wp->w_p_rl && (*mb_char2cells)(mb_c) > 1) + { + // A double-wide character is: put first halve in left cell. + --off; + --col; + } +#endif + ScreenLines[off] = c; + if (enc_dbcs == DBCS_JPNU) + { + if ((mb_c & 0xff00) == 0x8e00) + ScreenLines[off] = 0x8e; + ScreenLines2[off] = mb_c & 0xff; + } + else if (enc_utf8) + { + if (mb_utf8) + { + int i; + + ScreenLinesUC[off] = mb_c; + if ((c & 0xff) == 0) + ScreenLines[off] = 0x80; // avoid storing zero + for (i = 0; i < Screen_mco; ++i) + { + ScreenLinesC[i][off] = u8cc[i]; + if (u8cc[i] == 0) + break; + } + } + else + ScreenLinesUC[off] = 0; + } + if (multi_attr) + { + ScreenAttrs[off] = multi_attr; + multi_attr = 0; + } + else + ScreenAttrs[off] = char_attr; + + if (has_mbyte && (*mb_char2cells)(mb_c) > 1) + { + // Need to fill two screen columns. + ++off; + ++col; + if (enc_utf8) + // UTF-8: Put a 0 in the second screen char. + ScreenLines[off] = 0; + else + // DBCS: Put second byte in the second screen char. + ScreenLines[off] = mb_c & 0xff; + if (draw_state > WL_NR +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + ) + ++vcol; + // When "tocol" is halfway a character, set it to the end of + // the character, otherwise highlighting won't stop. + if (tocol == vcol) + ++tocol; +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + // now it's time to backup one cell + --off; + --col; + } +#endif + } +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + --off; + --col; + } + else +#endif + { + ++off; + ++col; + } + } +#ifdef FEAT_CONCEAL + else if (wp->w_p_cole > 0 && is_concealing) + { + --n_skip; + ++vcol_off; + if (n_extra > 0) + vcol_off += n_extra; + if (wp->w_p_wrap) + { + // Special voodoo required if 'wrap' is on. + // + // Advance the column indicator to force the line + // drawing to wrap early. This will make the line + // take up the same screen space when parts are concealed, + // so that cursor line computations aren't messed up. + // + // To avoid the fictitious advance of 'col' causing + // trailing junk to be written out of the screen line + // we are building, 'boguscols' keeps track of the number + // of bad columns we have advanced. + if (n_extra > 0) + { + vcol += n_extra; +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + col -= n_extra; + boguscols -= n_extra; + } + else +# endif + { + col += n_extra; + boguscols += n_extra; + } + n_extra = 0; + n_attr = 0; + } + + + if (has_mbyte && (*mb_char2cells)(mb_c) > 1) + { + // Need to fill two screen columns. +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + --boguscols; + --col; + } + else +# endif + { + ++boguscols; + ++col; + } + } + +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + --boguscols; + --col; + } + else +# endif + { + ++boguscols; + ++col; + } + } + else + { + if (n_extra > 0) + { + vcol += n_extra; + n_extra = 0; + n_attr = 0; + } + } + + } +#endif // FEAT_CONCEAL + else + --n_skip; + + // Only advance the "vcol" when after the 'number' or 'relativenumber' + // column. + if (draw_state > WL_NR +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + ) + ++vcol; + +#ifdef FEAT_SYN_HL + if (vcol_save_attr >= 0) + char_attr = vcol_save_attr; +#endif + + // restore attributes after "predeces" in 'listchars' + if (draw_state > WL_NR && n_attr3 > 0 && --n_attr3 == 0) + char_attr = saved_attr3; + + // restore attributes after last 'listchars' or 'number' char + if (n_attr > 0 && draw_state == WL_LINE && --n_attr == 0) + char_attr = saved_attr2; + + // At end of screen line and there is more to come: Display the line + // so far. If there is no more to display it is caught above. + if (( +#ifdef FEAT_RIGHTLEFT + wp->w_p_rl ? (col < 0) : +#endif + (col >= wp->w_width)) + && (*ptr != NUL +#ifdef FEAT_DIFF + || filler_todo > 0 +#endif + || (wp->w_p_list && lcs_eol != NUL && p_extra != at_end_str) + || (n_extra != 0 && (c_extra != NUL || *p_extra != NUL))) + ) + { +#ifdef FEAT_CONCEAL + screen_line(screen_row, wp->w_wincol, col - boguscols, + (int)wp->w_width, screen_line_flags); + boguscols = 0; +#else + screen_line(screen_row, wp->w_wincol, col, + (int)wp->w_width, screen_line_flags); +#endif + ++row; + ++screen_row; + + // When not wrapping and finished diff lines, or when displayed + // '$' and highlighting until last column, break here. + if ((!wp->w_p_wrap +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + ) || lcs_eol_one == -1) + break; + + // When the window is too narrow draw all "@" lines. + if (draw_state != WL_LINE +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + ) + { + win_draw_end(wp, '@', ' ', TRUE, row, wp->w_height, HLF_AT); + draw_vsep_win(wp, row); + row = endrow; + } + + // When line got too long for screen break here. + if (row == endrow) + { + ++row; + break; + } + + if (screen_cur_row == screen_row - 1 +#ifdef FEAT_DIFF + && filler_todo <= 0 +#endif + && wp->w_width == Columns) + { + // Remember that the line wraps, used for modeless copy. + LineWraps[screen_row - 1] = TRUE; + + // Special trick to make copy/paste of wrapped lines work with + // xterm/screen: write an extra character beyond the end of + // the line. This will work with all terminal types + // (regardless of the xn,am settings). + // Only do this on a fast tty. + // Only do this if the cursor is on the current line + // (something has been written in it). + // Don't do this for the GUI. + // Don't do this for double-width characters. + // Don't do this for a window not at the right screen border. + if (p_tf +#ifdef FEAT_GUI + && !gui.in_use +#endif + && !(has_mbyte + && ((*mb_off2cells)(LineOffset[screen_row], + LineOffset[screen_row] + screen_Columns) + == 2 + || (*mb_off2cells)(LineOffset[screen_row - 1] + + (int)Columns - 2, + LineOffset[screen_row] + screen_Columns) + == 2))) + { + // First make sure we are at the end of the screen line, + // then output the same character again to let the + // terminal know about the wrap. If the terminal doesn't + // auto-wrap, we overwrite the character. + if (screen_cur_col != wp->w_width) + screen_char(LineOffset[screen_row - 1] + + (unsigned)Columns - 1, + screen_row - 1, (int)(Columns - 1)); + + // When there is a multi-byte character, just output a + // space to keep it simple. + if (has_mbyte && MB_BYTE2LEN(ScreenLines[LineOffset[ + screen_row - 1] + (Columns - 1)]) > 1) + out_char(' '); + else + out_char(ScreenLines[LineOffset[screen_row - 1] + + (Columns - 1)]); + // force a redraw of the first char on the next line + ScreenAttrs[LineOffset[screen_row]] = (sattr_T)-1; + screen_start(); // don't know where cursor is now + } + } + + col = 0; + off = (unsigned)(current_ScreenLine - ScreenLines); +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + col = wp->w_width - 1; // col is not used if breaking! + off += col; + } +#endif + + // reset the drawing state for the start of a wrapped line + draw_state = WL_START; + saved_n_extra = n_extra; + saved_p_extra = p_extra; + saved_c_extra = c_extra; + saved_c_final = c_final; +#ifdef FEAT_SYN_HL + if (!(cul_screenline +# ifdef FEAT_DIFF + && diff_hlf == (hlf_T)0) +# endif + ) + saved_char_attr = char_attr; + else +#endif + saved_char_attr = 0; + n_extra = 0; + lcs_prec_todo = lcs_prec; +#ifdef FEAT_LINEBREAK +# ifdef FEAT_DIFF + if (filler_todo <= 0) +# endif + need_showbreak = TRUE; +#endif +#ifdef FEAT_DIFF + --filler_todo; + // When the filler lines are actually below the last line of the + // file, don't draw the line itself, break here. + if (filler_todo == 0 && wp->w_botfill) + break; +#endif + } + + } // for every character in the line + +#ifdef FEAT_SPELL + // After an empty line check first word for capital. + if (*skipwhite(line) == NUL) + { + capcol_lnum = lnum + 1; + cap_col = 0; + } +#endif +#ifdef FEAT_TEXT_PROP + vim_free(text_props); + vim_free(text_prop_idxs); +#endif + + vim_free(p_extra_free); + return row; +} + diff --git a/src/drawscreen.c b/src/drawscreen.c new file mode 100644 index 000000000..f6776a1a1 --- /dev/null +++ b/src/drawscreen.c @@ -0,0 +1,3112 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * drawscreen.c: Code for updating all the windows on the screen. + * This is the top level, drawline.c is the middle and screen.c the lower + * level. + * + * update_screen() is the function that updates all windows and status lines. + * It is called form the main loop when must_redraw is non-zero. It may be + * called from other places when an immediate screen update is needed. + * + * The part of the buffer that is displayed in a window is set with: + * - w_topline (first buffer line in window) + * - w_topfill (filler lines above the first line) + * - w_leftcol (leftmost window cell in window), + * - w_skipcol (skipped window cells of first line) + * + * Commands that only move the cursor around in a window, do not need to take + * action to update the display. The main loop will check if w_topline is + * valid and update it (scroll the window) when needed. + * + * Commands that scroll a window change w_topline and must call + * check_cursor() to move the cursor into the visible part of the window, and + * call redraw_later(VALID) to have the window displayed by update_screen() + * later. + * + * Commands that change text in the buffer must call changed_bytes() or + * changed_lines() to mark the area that changed and will require updating + * later. The main loop will call update_screen(), which will update each + * window that shows the changed buffer. This assumes text above the change + * can remain displayed as it is. Text after the change may need updating for + * scrolling, folding and syntax highlighting. + * + * Commands that change how a window is displayed (e.g., setting 'list') or + * invalidate the contents of a window in another way (e.g., change fold + * settings), must call redraw_later(NOT_VALID) to have the whole window + * redisplayed by update_screen() later. + * + * Commands that change how a buffer is displayed (e.g., setting 'tabstop') + * must call redraw_curbuf_later(NOT_VALID) to have all the windows for the + * buffer redisplayed by update_screen() later. + * + * Commands that change highlighting and possibly cause a scroll too must call + * redraw_later(SOME_VALID) to update the whole window but still use scrolling + * to avoid redrawing everything. But the length of displayed lines must not + * change, use NOT_VALID then. + * + * Commands that move the window position must call redraw_later(NOT_VALID). + * TODO: should minimize redrawing by scrolling when possible. + * + * Commands that change everything (e.g., resizing the screen) must call + * redraw_all_later(NOT_VALID) or redraw_all_later(CLEAR). + * + * Things that are handled indirectly: + * - When messages scroll the screen up, msg_scrolled will be set and + * update_screen() called to redraw. + */ + +#include "vim.h" + +static void win_update(win_T *wp); +#ifdef FEAT_STL_OPT +static void redraw_custom_statusline(win_T *wp); +#endif + +/* + * Based on the current value of curwin->w_topline, transfer a screenfull + * of stuff from Filemem to ScreenLines[], and update curwin->w_botline. + * Return OK when the screen was updated, FAIL if it was not done. + */ + int +update_screen(int type_arg) +{ + int type = type_arg; + win_T *wp; + static int did_intro = FALSE; +#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) + int did_one; +#endif +#ifdef FEAT_GUI + int did_undraw = FALSE; + int gui_cursor_col = 0; + int gui_cursor_row = 0; +#endif + int no_update = FALSE; + + // Don't do anything if the screen structures are (not yet) valid. + if (!screen_valid(TRUE)) + return FAIL; + + if (type == VALID_NO_UPDATE) + { + no_update = TRUE; + type = 0; + } + +#ifdef FEAT_EVAL + { + buf_T *buf; + + // Before updating the screen, notify any listeners of changed text. + FOR_ALL_BUFFERS(buf) + invoke_listeners(buf); + } +#endif + +#ifdef FEAT_DIFF + // May have postponed updating diffs. + if (need_diff_redraw) + diff_redraw(TRUE); +#endif + + if (must_redraw) + { + if (type < must_redraw) // use maximal type + type = must_redraw; + + // must_redraw is reset here, so that when we run into some weird + // reason to redraw while busy redrawing (e.g., asynchronous + // scrolling), or update_topline() in win_update() will cause a + // scroll, the screen will be redrawn later or in win_update(). + must_redraw = 0; + } + + // May need to update w_lines[]. + if (curwin->w_lines_valid == 0 && type < NOT_VALID +#ifdef FEAT_TERMINAL + && !term_do_update_window(curwin) +#endif + ) + type = NOT_VALID; + + // Postpone the redrawing when it's not needed and when being called + // recursively. + if (!redrawing() || updating_screen) + { + redraw_later(type); // remember type for next time + must_redraw = type; + if (type > INVERTED_ALL) + curwin->w_lines_valid = 0; // don't use w_lines[].wl_size now + return FAIL; + } + updating_screen = TRUE; + +#ifdef FEAT_TEXT_PROP + // Update popup_mask if needed. This may set w_redraw_top and w_redraw_bot + // in some windows. + may_update_popup_mask(type); +#endif + +#ifdef FEAT_SYN_HL + ++display_tick; // let syntax code know we're in a next round of + // display updating +#endif + if (no_update) + ++no_win_do_lines_ins; + + // if the screen was scrolled up when displaying a message, scroll it down + if (msg_scrolled) + { + clear_cmdline = TRUE; + if (msg_scrolled > Rows - 5) // clearing is faster + type = CLEAR; + else if (type != CLEAR) + { + check_for_delay(FALSE); + if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, 0, NULL) + == FAIL) + type = CLEAR; + FOR_ALL_WINDOWS(wp) + { + if (wp->w_winrow < msg_scrolled) + { + if (W_WINROW(wp) + wp->w_height > msg_scrolled + && wp->w_redr_type < REDRAW_TOP + && wp->w_lines_valid > 0 + && wp->w_topline == wp->w_lines[0].wl_lnum) + { + wp->w_upd_rows = msg_scrolled - W_WINROW(wp); + wp->w_redr_type = REDRAW_TOP; + } + else + { + wp->w_redr_type = NOT_VALID; + if (W_WINROW(wp) + wp->w_height + wp->w_status_height + <= msg_scrolled) + wp->w_redr_status = TRUE; + } + } + } + if (!no_update) + redraw_cmdline = TRUE; + redraw_tabline = TRUE; + } + msg_scrolled = 0; + need_wait_return = FALSE; + } + + // reset cmdline_row now (may have been changed temporarily) + compute_cmdrow(); + + // Check for changed highlighting + if (need_highlight_changed) + highlight_changed(); + + if (type == CLEAR) // first clear screen + { + screenclear(); // will reset clear_cmdline + type = NOT_VALID; + // must_redraw may be set indirectly, avoid another redraw later + must_redraw = 0; + } + + if (clear_cmdline) // going to clear cmdline (done below) + check_for_delay(FALSE); + +#ifdef FEAT_LINEBREAK + // Force redraw when width of 'number' or 'relativenumber' column + // changes. + if (curwin->w_redr_type < NOT_VALID + && curwin->w_nrwidth != ((curwin->w_p_nu || curwin->w_p_rnu) + ? number_width(curwin) : 0)) + curwin->w_redr_type = NOT_VALID; +#endif + + // Only start redrawing if there is really something to do. + if (type == INVERTED) + update_curswant(); + if (curwin->w_redr_type < type + && !((type == VALID + && curwin->w_lines[0].wl_valid +#ifdef FEAT_DIFF + && curwin->w_topfill == curwin->w_old_topfill + && curwin->w_botfill == curwin->w_old_botfill +#endif + && curwin->w_topline == curwin->w_lines[0].wl_lnum) + || (type == INVERTED + && VIsual_active + && curwin->w_old_cursor_lnum == curwin->w_cursor.lnum + && curwin->w_old_visual_mode == VIsual_mode + && (curwin->w_valid & VALID_VIRTCOL) + && curwin->w_old_curswant == curwin->w_curswant) + )) + curwin->w_redr_type = type; + + // Redraw the tab pages line if needed. + if (redraw_tabline || type >= NOT_VALID) + draw_tabline(); + +#ifdef FEAT_SYN_HL + // Correct stored syntax highlighting info for changes in each displayed + // buffer. Each buffer must only be done once. + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer->b_mod_set) + { + win_T *wwp; + + // Check if we already did this buffer. + for (wwp = firstwin; wwp != wp; wwp = wwp->w_next) + if (wwp->w_buffer == wp->w_buffer) + break; + if (wwp == wp && syntax_present(wp)) + syn_stack_apply_changes(wp->w_buffer); + } + } +#endif + + // Go from top to bottom through the windows, redrawing the ones that need + // it. +#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) + did_one = FALSE; +#endif +#ifdef FEAT_SEARCH_EXTRA + screen_search_hl.rm.regprog = NULL; +#endif + FOR_ALL_WINDOWS(wp) + { + if (wp->w_redr_type != 0) + { + cursor_off(); +#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) + if (!did_one) + { + did_one = TRUE; +# ifdef FEAT_SEARCH_EXTRA + start_search_hl(); +# endif +# ifdef FEAT_CLIPBOARD + // When Visual area changed, may have to update selection. + if (clip_star.available && clip_isautosel_star()) + clip_update_selection(&clip_star); + if (clip_plus.available && clip_isautosel_plus()) + clip_update_selection(&clip_plus); +# endif +#ifdef FEAT_GUI + // Remove the cursor before starting to do anything, because + // scrolling may make it difficult to redraw the text under + // it. + if (gui.in_use && wp == curwin) + { + gui_cursor_col = gui.cursor_col; + gui_cursor_row = gui.cursor_row; + gui_undraw_cursor(); + did_undraw = TRUE; + } +#endif + } +#endif + win_update(wp); + } + + // redraw status line after the window to minimize cursor movement + if (wp->w_redr_status) + { + cursor_off(); + win_redr_status(wp, TRUE); // any popup menu will be redrawn below + } + } +#if defined(FEAT_SEARCH_EXTRA) + end_search_hl(); +#endif + // May need to redraw the popup menu. + pum_may_redraw(); + + // Reset b_mod_set flags. Going through all windows is probably faster + // than going through all buffers (there could be many buffers). + FOR_ALL_WINDOWS(wp) + wp->w_buffer->b_mod_set = FALSE; + +#ifdef FEAT_TEXT_PROP + // Display popup windows on top of the windows and command line. + update_popups(win_update); +#endif + + after_updating_screen(TRUE); + + // Clear or redraw the command line. Done last, because scrolling may + // mess up the command line. + if (clear_cmdline || redraw_cmdline || redraw_mode) + showmode(); + + if (no_update) + --no_win_do_lines_ins; + + // May put up an introductory message when not editing a file + if (!did_intro) + maybe_intro_message(); + did_intro = TRUE; + +#ifdef FEAT_GUI + // Redraw the cursor and update the scrollbars when all screen updating is + // done. + if (gui.in_use) + { + if (did_undraw && !gui_mch_is_blink_off()) + { + mch_disable_flush(); + out_flush(); // required before updating the cursor + mch_enable_flush(); + + // Put the GUI position where the cursor was, gui_update_cursor() + // uses that. + gui.col = gui_cursor_col; + gui.row = gui_cursor_row; + gui.col = mb_fix_col(gui.col, gui.row); + gui_update_cursor(FALSE, FALSE); + gui_may_flush(); + screen_cur_col = gui.col; + screen_cur_row = gui.row; + } + else + out_flush(); + gui_update_scrollbars(FALSE); + } +#endif + return OK; +} + +/* + * Redraw the status line of window wp. + * + * If inversion is possible we use it. Else '=' characters are used. + * If "ignore_pum" is TRUE, also redraw statusline when the popup menu is + * displayed. + */ + void +win_redr_status(win_T *wp, int ignore_pum UNUSED) +{ + int row; + char_u *p; + int len; + int fillchar; + int attr; + int this_ru_col; + static int busy = FALSE; + + // It's possible to get here recursively when 'statusline' (indirectly) + // invokes ":redrawstatus". Simply ignore the call then. + if (busy) + return; + busy = TRUE; + + wp->w_redr_status = FALSE; + if (wp->w_status_height == 0) + { + // no status line, can only be last window + redraw_cmdline = TRUE; + } + else if (!redrawing() + // don't update status line when popup menu is visible and may be + // drawn over it, unless it will be redrawn later + || (!ignore_pum && pum_visible())) + { + // Don't redraw right now, do it later. + wp->w_redr_status = TRUE; + } +#ifdef FEAT_STL_OPT + else if (*p_stl != NUL || *wp->w_p_stl != NUL) + { + // redraw custom status line + redraw_custom_statusline(wp); + } +#endif + else + { + fillchar = fillchar_status(&attr, wp); + + get_trans_bufname(wp->w_buffer); + p = NameBuff; + len = (int)STRLEN(p); + + if (bt_help(wp->w_buffer) +#ifdef FEAT_QUICKFIX + || wp->w_p_pvw +#endif + || bufIsChanged(wp->w_buffer) + || wp->w_buffer->b_p_ro) + *(p + len++) = ' '; + if (bt_help(wp->w_buffer)) + { + STRCPY(p + len, _("[Help]")); + len += (int)STRLEN(p + len); + } +#ifdef FEAT_QUICKFIX + if (wp->w_p_pvw) + { + STRCPY(p + len, _("[Preview]")); + len += (int)STRLEN(p + len); + } +#endif + if (bufIsChanged(wp->w_buffer) +#ifdef FEAT_TERMINAL + && !bt_terminal(wp->w_buffer) +#endif + ) + { + STRCPY(p + len, "[+]"); + len += 3; + } + if (wp->w_buffer->b_p_ro) + { + STRCPY(p + len, _("[RO]")); + len += (int)STRLEN(p + len); + } + + this_ru_col = ru_col - (Columns - wp->w_width); + if (this_ru_col < (wp->w_width + 1) / 2) + this_ru_col = (wp->w_width + 1) / 2; + if (this_ru_col <= 1) + { + p = (char_u *)"<"; // No room for file name! + len = 1; + } + else if (has_mbyte) + { + int clen = 0, i; + + // Count total number of display cells. + clen = mb_string2cells(p, -1); + + // Find first character that will fit. + // Going from start to end is much faster for DBCS. + for (i = 0; p[i] != NUL && clen >= this_ru_col - 1; + i += (*mb_ptr2len)(p + i)) + clen -= (*mb_ptr2cells)(p + i); + len = clen; + if (i > 0) + { + p = p + i - 1; + *p = '<'; + ++len; + } + + } + else if (len > this_ru_col - 1) + { + p += len - (this_ru_col - 1); + *p = '<'; + len = this_ru_col - 1; + } + + row = W_WINROW(wp) + wp->w_height; + screen_puts(p, row, wp->w_wincol, attr); + screen_fill(row, row + 1, len + wp->w_wincol, + this_ru_col + wp->w_wincol, fillchar, fillchar, attr); + + if (get_keymap_str(wp, (char_u *)"<%s>", NameBuff, MAXPATHL) + && (int)(this_ru_col - len) > (int)(STRLEN(NameBuff) + 1)) + screen_puts(NameBuff, row, (int)(this_ru_col - STRLEN(NameBuff) + - 1 + wp->w_wincol), attr); + +#ifdef FEAT_CMDL_INFO + win_redr_ruler(wp, TRUE, ignore_pum); +#endif + } + + /* + * May need to draw the character below the vertical separator. + */ + if (wp->w_vsep_width != 0 && wp->w_status_height != 0 && redrawing()) + { + if (stl_connected(wp)) + fillchar = fillchar_status(&attr, wp); + else + fillchar = fillchar_vsep(&attr); + screen_putchar(fillchar, W_WINROW(wp) + wp->w_height, W_ENDCOL(wp), + attr); + } + busy = FALSE; +} + +#ifdef FEAT_STL_OPT +/* + * Redraw the status line according to 'statusline' and take care of any + * errors encountered. + */ + static void +redraw_custom_statusline(win_T *wp) +{ + static int entered = FALSE; + int saved_did_emsg = did_emsg; + + // When called recursively return. This can happen when the statusline + // contains an expression that triggers a redraw. + if (entered) + return; + entered = TRUE; + + did_emsg = FALSE; + win_redr_custom(wp, FALSE); + if (did_emsg) + { + // When there is an error disable the statusline, otherwise the + // display is messed up with errors and a redraw triggers the problem + // again and again. + set_string_option_direct((char_u *)"statusline", -1, + (char_u *)"", OPT_FREE | (*wp->w_p_stl != NUL + ? OPT_LOCAL : OPT_GLOBAL), SID_ERROR); + } + did_emsg |= saved_did_emsg; + entered = FALSE; +} +#endif + +/* + * Show current status info in ruler and various other places + * If always is FALSE, only show ruler if position has changed. + */ + void +showruler(int always) +{ + if (!always && !redrawing()) + return; + if (pum_visible()) + { + // Don't redraw right now, do it later. + curwin->w_redr_status = TRUE; + return; + } +#if defined(FEAT_STL_OPT) + if ((*p_stl != NUL || *curwin->w_p_stl != NUL) && curwin->w_status_height) + redraw_custom_statusline(curwin); + else +#endif +#ifdef FEAT_CMDL_INFO + win_redr_ruler(curwin, always, FALSE); +#endif + +#ifdef FEAT_TITLE + if (need_maketitle +# ifdef FEAT_STL_OPT + || (p_icon && (stl_syntax & STL_IN_ICON)) + || (p_title && (stl_syntax & STL_IN_TITLE)) +# endif + ) + maketitle(); +#endif + // Redraw the tab pages line if needed. + if (redraw_tabline) + draw_tabline(); +} + +#if defined(FEAT_CMDL_INFO) || defined(PROTO) + void +win_redr_ruler(win_T *wp, int always, int ignore_pum) +{ +#define RULER_BUF_LEN 70 + char_u buffer[RULER_BUF_LEN]; + int row; + int fillchar; + int attr; + int empty_line = FALSE; + colnr_T virtcol; + int i; + size_t len; + int o; + int this_ru_col; + int off = 0; + int width; + + // If 'ruler' off or redrawing disabled, don't do anything + if (!p_ru) + return; + + /* + * Check if cursor.lnum is valid, since win_redr_ruler() may be called + * after deleting lines, before cursor.lnum is corrected. + */ + if (wp->w_cursor.lnum > wp->w_buffer->b_ml.ml_line_count) + return; + + // Don't draw the ruler while doing insert-completion, it might overwrite + // the (long) mode message. + if (wp == lastwin && lastwin->w_status_height == 0) + if (edit_submode != NULL) + return; + // Don't draw the ruler when the popup menu is visible, it may overlap. + // Except when the popup menu will be redrawn anyway. + if (!ignore_pum && pum_visible()) + return; + +#ifdef FEAT_STL_OPT + if (*p_ruf) + { + int save_called_emsg = called_emsg; + + called_emsg = FALSE; + win_redr_custom(wp, TRUE); + if (called_emsg) + set_string_option_direct((char_u *)"rulerformat", -1, + (char_u *)"", OPT_FREE, SID_ERROR); + called_emsg |= save_called_emsg; + return; + } +#endif + + /* + * Check if not in Insert mode and the line is empty (will show "0-1"). + */ + if (!(State & INSERT) + && *ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE) == NUL) + empty_line = TRUE; + + /* + * Only draw the ruler when something changed. + */ + validate_virtcol_win(wp); + if ( redraw_cmdline + || always + || wp->w_cursor.lnum != wp->w_ru_cursor.lnum + || wp->w_cursor.col != wp->w_ru_cursor.col + || wp->w_virtcol != wp->w_ru_virtcol + || wp->w_cursor.coladd != wp->w_ru_cursor.coladd + || wp->w_topline != wp->w_ru_topline + || wp->w_buffer->b_ml.ml_line_count != wp->w_ru_line_count +#ifdef FEAT_DIFF + || wp->w_topfill != wp->w_ru_topfill +#endif + || empty_line != wp->w_ru_empty) + { + cursor_off(); + if (wp->w_status_height) + { + row = W_WINROW(wp) + wp->w_height; + fillchar = fillchar_status(&attr, wp); + off = wp->w_wincol; + width = wp->w_width; + } + else + { + row = Rows - 1; + fillchar = ' '; + attr = 0; + width = Columns; + off = 0; + } + + // In list mode virtcol needs to be recomputed + virtcol = wp->w_virtcol; + if (wp->w_p_list && lcs_tab1 == NUL) + { + wp->w_p_list = FALSE; + getvvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); + wp->w_p_list = TRUE; + } + + /* + * Some sprintfs return the length, some return a pointer. + * To avoid portability problems we use strlen() here. + */ + vim_snprintf((char *)buffer, RULER_BUF_LEN, "%ld,", + (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) + ? 0L + : (long)(wp->w_cursor.lnum)); + len = STRLEN(buffer); + col_print(buffer + len, RULER_BUF_LEN - len, + empty_line ? 0 : (int)wp->w_cursor.col + 1, + (int)virtcol + 1); + + /* + * Add a "50%" if there is room for it. + * On the last line, don't print in the last column (scrolls the + * screen up on some terminals). + */ + i = (int)STRLEN(buffer); + get_rel_pos(wp, buffer + i + 1, RULER_BUF_LEN - i - 1); + o = i + vim_strsize(buffer + i + 1); + if (wp->w_status_height == 0) // can't use last char of screen + ++o; + this_ru_col = ru_col - (Columns - width); + if (this_ru_col < 0) + this_ru_col = 0; + // Never use more than half the window/screen width, leave the other + // half for the filename. + if (this_ru_col < (width + 1) / 2) + this_ru_col = (width + 1) / 2; + if (this_ru_col + o < width) + { + // need at least 3 chars left for get_rel_pos() + NUL + while (this_ru_col + o < width && RULER_BUF_LEN > i + 4) + { + if (has_mbyte) + i += (*mb_char2bytes)(fillchar, buffer + i); + else + buffer[i++] = fillchar; + ++o; + } + get_rel_pos(wp, buffer + i, RULER_BUF_LEN - i); + } + // Truncate at window boundary. + if (has_mbyte) + { + o = 0; + for (i = 0; buffer[i] != NUL; i += (*mb_ptr2len)(buffer + i)) + { + o += (*mb_ptr2cells)(buffer + i); + if (this_ru_col + o > width) + { + buffer[i] = NUL; + break; + } + } + } + else if (this_ru_col + (int)STRLEN(buffer) > width) + buffer[width - this_ru_col] = NUL; + + screen_puts(buffer, row, this_ru_col + off, attr); + i = redraw_cmdline; + screen_fill(row, row + 1, + this_ru_col + off + (int)STRLEN(buffer), + (int)(off + width), + fillchar, fillchar, attr); + // don't redraw the cmdline because of showing the ruler + redraw_cmdline = i; + wp->w_ru_cursor = wp->w_cursor; + wp->w_ru_virtcol = wp->w_virtcol; + wp->w_ru_empty = empty_line; + wp->w_ru_topline = wp->w_topline; + wp->w_ru_line_count = wp->w_buffer->b_ml.ml_line_count; +#ifdef FEAT_DIFF + wp->w_ru_topfill = wp->w_topfill; +#endif + } +} +#endif + +/* + * To be called when "updating_screen" was set before and now the postponed + * side effects may take place. + */ + void +after_updating_screen(int may_resize_shell UNUSED) +{ + updating_screen = FALSE; +#ifdef FEAT_GUI + if (may_resize_shell) + gui_may_resize_shell(); +#endif +#ifdef FEAT_TERMINAL + term_check_channel_closed_recently(); +#endif + +#ifdef HAVE_DROP_FILE + // If handle_drop() was called while updating_screen was TRUE need to + // handle the drop now. + handle_any_postponed_drop(); +#endif +} + +/* + * Update all windows that are editing the current buffer. + */ + void +update_curbuf(int type) +{ + redraw_curbuf_later(type); + update_screen(type); +} + +#if defined(FEAT_MENU) || defined(FEAT_FOLDING) +/* + * Copy "text" to ScreenLines using "attr". + * Returns the next screen column. + */ + static int +text_to_screenline(win_T *wp, char_u *text, int col) +{ + int off = (int)(current_ScreenLine - ScreenLines); + + if (has_mbyte) + { + int cells; + int u8c, u8cc[MAX_MCO]; + int i; + int idx; + int c_len; + char_u *p; +# ifdef FEAT_ARABIC + int prev_c = 0; // previous Arabic character + int prev_c1 = 0; // first composing char for prev_c +# endif + +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + idx = off; + else +# endif + idx = off + col; + + // Store multibyte characters in ScreenLines[] et al. correctly. + for (p = text; *p != NUL; ) + { + cells = (*mb_ptr2cells)(p); + c_len = (*mb_ptr2len)(p); + if (col + cells > wp->w_width +# ifdef FEAT_RIGHTLEFT + - (wp->w_p_rl ? col : 0) +# endif + ) + break; + ScreenLines[idx] = *p; + if (enc_utf8) + { + u8c = utfc_ptr2char(p, u8cc); + if (*p < 0x80 && u8cc[0] == 0) + { + ScreenLinesUC[idx] = 0; +#ifdef FEAT_ARABIC + prev_c = u8c; +#endif + } + else + { +#ifdef FEAT_ARABIC + if (p_arshape && !p_tbidi && ARABIC_CHAR(u8c)) + { + // Do Arabic shaping. + int pc, pc1, nc; + int pcc[MAX_MCO]; + int firstbyte = *p; + + // The idea of what is the previous and next + // character depends on 'rightleft'. + if (wp->w_p_rl) + { + pc = prev_c; + pc1 = prev_c1; + nc = utf_ptr2char(p + c_len); + prev_c1 = u8cc[0]; + } + else + { + pc = utfc_ptr2char(p + c_len, pcc); + nc = prev_c; + pc1 = pcc[0]; + } + prev_c = u8c; + + u8c = arabic_shape(u8c, &firstbyte, &u8cc[0], + pc, pc1, nc); + ScreenLines[idx] = firstbyte; + } + else + prev_c = u8c; +#endif + // Non-BMP character: display as ? or fullwidth ?. + ScreenLinesUC[idx] = u8c; + for (i = 0; i < Screen_mco; ++i) + { + ScreenLinesC[i][idx] = u8cc[i]; + if (u8cc[i] == 0) + break; + } + } + if (cells > 1) + ScreenLines[idx + 1] = 0; + } + else if (enc_dbcs == DBCS_JPNU && *p == 0x8e) + // double-byte single width character + ScreenLines2[idx] = p[1]; + else if (cells > 1) + // double-width character + ScreenLines[idx + 1] = p[1]; + col += cells; + idx += cells; + p += c_len; + } + } + else + { + int len = (int)STRLEN(text); + + if (len > wp->w_width - col) + len = wp->w_width - col; + if (len > 0) + { +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + mch_memmove(current_ScreenLine, text, len); + else +#endif + mch_memmove(current_ScreenLine + col, text, len); + col += len; + } + } + return col; +} +#endif + +#ifdef FEAT_MENU +/* + * Draw the window toolbar. + */ + static void +redraw_win_toolbar(win_T *wp) +{ + vimmenu_T *menu; + int item_idx = 0; + int item_count = 0; + int col = 0; + int next_col; + int off = (int)(current_ScreenLine - ScreenLines); + int fill_attr = syn_name2attr((char_u *)"ToolbarLine"); + int button_attr = syn_name2attr((char_u *)"ToolbarButton"); + + vim_free(wp->w_winbar_items); + for (menu = wp->w_winbar->children; menu != NULL; menu = menu->next) + ++item_count; + wp->w_winbar_items = ALLOC_CLEAR_MULT(winbar_item_T, item_count + 1); + + // TODO: use fewer spaces if there is not enough room + for (menu = wp->w_winbar->children; + menu != NULL && col < wp->w_width; menu = menu->next) + { + space_to_screenline(off + col, fill_attr); + if (++col >= wp->w_width) + break; + if (col > 1) + { + space_to_screenline(off + col, fill_attr); + if (++col >= wp->w_width) + break; + } + + wp->w_winbar_items[item_idx].wb_startcol = col; + space_to_screenline(off + col, button_attr); + if (++col >= wp->w_width) + break; + + next_col = text_to_screenline(wp, menu->name, col); + while (col < next_col) + { + ScreenAttrs[off + col] = button_attr; + ++col; + } + wp->w_winbar_items[item_idx].wb_endcol = col; + wp->w_winbar_items[item_idx].wb_menu = menu; + ++item_idx; + + if (col >= wp->w_width) + break; + space_to_screenline(off + col, button_attr); + ++col; + } + while (col < wp->w_width) + { + space_to_screenline(off + col, fill_attr); + ++col; + } + wp->w_winbar_items[item_idx].wb_menu = NULL; // end marker + + screen_line(wp->w_winrow, wp->w_wincol, (int)wp->w_width, + (int)wp->w_width, 0); +} +#endif + +#if defined(FEAT_FOLDING) || defined(PROTO) +/* + * Copy "buf[len]" to ScreenLines["off"] and set attributes to "attr". + */ + static void +copy_text_attr( + int off, + char_u *buf, + int len, + int attr) +{ + int i; + + mch_memmove(ScreenLines + off, buf, (size_t)len); + if (enc_utf8) + vim_memset(ScreenLinesUC + off, 0, sizeof(u8char_T) * (size_t)len); + for (i = 0; i < len; ++i) + ScreenAttrs[off + i] = attr; +} + +/* + * Display one folded line. + */ + static void +fold_line( + win_T *wp, + long fold_count, + foldinfo_T *foldinfo, + linenr_T lnum, + int row) +{ + char_u buf[FOLD_TEXT_LEN]; + pos_T *top, *bot; + linenr_T lnume = lnum + fold_count - 1; + int len; + char_u *text; + int fdc; + int col; + int txtcol; + int off = (int)(current_ScreenLine - ScreenLines); + int ri; + + // Build the fold line: + // 1. Add the cmdwin_type for the command-line window + // 2. Add the 'foldcolumn' + // 3. Add the 'number' or 'relativenumber' column + // 4. Compose the text + // 5. Add the text + // 6. set highlighting for the Visual area an other text + col = 0; + + // 1. Add the cmdwin_type for the command-line window + // Ignores 'rightleft', this window is never right-left. +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0 && wp == curwin) + { + ScreenLines[off] = cmdwin_type; + ScreenAttrs[off] = HL_ATTR(HLF_AT); + if (enc_utf8) + ScreenLinesUC[off] = 0; + ++col; + } +#endif + + // 2. Add the 'foldcolumn' + // Reduce the width when there is not enough space. + fdc = compute_foldcolumn(wp, col); + if (fdc > 0) + { + fill_foldcolumn(buf, wp, TRUE, lnum); +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + { + int i; + + copy_text_attr(off + wp->w_width - fdc - col, buf, fdc, + HL_ATTR(HLF_FC)); + // reverse the fold column + for (i = 0; i < fdc; ++i) + ScreenLines[off + wp->w_width - i - 1 - col] = buf[i]; + } + else +#endif + copy_text_attr(off + col, buf, fdc, HL_ATTR(HLF_FC)); + col += fdc; + } + +#ifdef FEAT_RIGHTLEFT +# define RL_MEMSET(p, v, l) \ + do { \ + if (wp->w_p_rl) \ + for (ri = 0; ri < l; ++ri) \ + ScreenAttrs[off + (wp->w_width - (p) - (l)) + ri] = v; \ + else \ + for (ri = 0; ri < l; ++ri) \ + ScreenAttrs[off + (p) + ri] = v; \ + } while (0) +#else +# define RL_MEMSET(p, v, l) \ + do { \ + for (ri = 0; ri < l; ++ri) \ + ScreenAttrs[off + (p) + ri] = v; \ + } while (0) +#endif + + // Set all attributes of the 'number' or 'relativenumber' column and the + // text + RL_MEMSET(col, HL_ATTR(HLF_FL), wp->w_width - col); + +#ifdef FEAT_SIGNS + // If signs are being displayed, add two spaces. + if (signcolumn_on(wp)) + { + len = wp->w_width - col; + if (len > 0) + { + if (len > 2) + len = 2; +# ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + // the line number isn't reversed + copy_text_attr(off + wp->w_width - len - col, + (char_u *)" ", len, HL_ATTR(HLF_FL)); + else +# endif + copy_text_attr(off + col, (char_u *)" ", len, HL_ATTR(HLF_FL)); + col += len; + } + } +#endif + + // 3. Add the 'number' or 'relativenumber' column + if (wp->w_p_nu || wp->w_p_rnu) + { + len = wp->w_width - col; + if (len > 0) + { + int w = number_width(wp); + long num; + char *fmt = "%*ld "; + + if (len > w + 1) + len = w + 1; + + if (wp->w_p_nu && !wp->w_p_rnu) + // 'number' + 'norelativenumber' + num = (long)lnum; + else + { + // 'relativenumber', don't use negative numbers + num = labs((long)get_cursor_rel_lnum(wp, lnum)); + if (num == 0 && wp->w_p_nu && wp->w_p_rnu) + { + // 'number' + 'relativenumber': cursor line shows absolute + // line number + num = lnum; + fmt = "%-*ld "; + } + } + + sprintf((char *)buf, fmt, w, num); +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + // the line number isn't reversed + copy_text_attr(off + wp->w_width - len - col, buf, len, + HL_ATTR(HLF_FL)); + else +#endif + copy_text_attr(off + col, buf, len, HL_ATTR(HLF_FL)); + col += len; + } + } + + // 4. Compose the folded-line string with 'foldtext', if set. + text = get_foldtext(wp, lnum, lnume, foldinfo, buf); + + txtcol = col; // remember where text starts + + // 5. move the text to current_ScreenLine. Fill up with "fill_fold". + // Right-left text is put in columns 0 - number-col, normal text is put + // in columns number-col - window-width. + col = text_to_screenline(wp, text, col); + + // Fill the rest of the line with the fold filler +#ifdef FEAT_RIGHTLEFT + if (wp->w_p_rl) + col -= txtcol; +#endif + while (col < wp->w_width +#ifdef FEAT_RIGHTLEFT + - (wp->w_p_rl ? txtcol : 0) +#endif + ) + { + if (enc_utf8) + { + if (fill_fold >= 0x80) + { + ScreenLinesUC[off + col] = fill_fold; + ScreenLinesC[0][off + col] = 0; + ScreenLines[off + col] = 0x80; // avoid storing zero + } + else + { + ScreenLinesUC[off + col] = 0; + ScreenLines[off + col] = fill_fold; + } + col++; + } + else + ScreenLines[off + col++] = fill_fold; + } + + if (text != buf) + vim_free(text); + + // 6. set highlighting for the Visual area an other text. + // If all folded lines are in the Visual area, highlight the line. + if (VIsual_active && wp->w_buffer == curwin->w_buffer) + { + if (LTOREQ_POS(curwin->w_cursor, VIsual)) + { + // Visual is after curwin->w_cursor + top = &curwin->w_cursor; + bot = &VIsual; + } + else + { + // Visual is before curwin->w_cursor + top = &VIsual; + bot = &curwin->w_cursor; + } + if (lnum >= top->lnum + && lnume <= bot->lnum + && (VIsual_mode != 'v' + || ((lnum > top->lnum + || (lnum == top->lnum + && top->col == 0)) + && (lnume < bot->lnum + || (lnume == bot->lnum + && (bot->col - (*p_sel == 'e')) + >= (colnr_T)STRLEN(ml_get_buf(wp->w_buffer, lnume, FALSE))))))) + { + if (VIsual_mode == Ctrl_V) + { + // Visual block mode: highlight the chars part of the block + if (wp->w_old_cursor_fcol + txtcol < (colnr_T)wp->w_width) + { + if (wp->w_old_cursor_lcol != MAXCOL + && wp->w_old_cursor_lcol + txtcol + < (colnr_T)wp->w_width) + len = wp->w_old_cursor_lcol; + else + len = wp->w_width - txtcol; + RL_MEMSET(wp->w_old_cursor_fcol + txtcol, HL_ATTR(HLF_V), + len - (int)wp->w_old_cursor_fcol); + } + } + else + { + // Set all attributes of the text + RL_MEMSET(txtcol, HL_ATTR(HLF_V), wp->w_width - txtcol); + } + } + } + +#ifdef FEAT_SYN_HL + // Show colorcolumn in the fold line, but let cursorcolumn override it. + if (wp->w_p_cc_cols) + { + int i = 0; + int j = wp->w_p_cc_cols[i]; + int old_txtcol = txtcol; + + while (j > -1) + { + txtcol += j; + if (wp->w_p_wrap) + txtcol -= wp->w_skipcol; + else + txtcol -= wp->w_leftcol; + if (txtcol >= 0 && txtcol < wp->w_width) + ScreenAttrs[off + txtcol] = hl_combine_attr( + ScreenAttrs[off + txtcol], HL_ATTR(HLF_MC)); + txtcol = old_txtcol; + j = wp->w_p_cc_cols[++i]; + } + } + + // Show 'cursorcolumn' in the fold line. + if (wp->w_p_cuc) + { + txtcol += wp->w_virtcol; + if (wp->w_p_wrap) + txtcol -= wp->w_skipcol; + else + txtcol -= wp->w_leftcol; + if (txtcol >= 0 && txtcol < wp->w_width) + ScreenAttrs[off + txtcol] = hl_combine_attr( + ScreenAttrs[off + txtcol], HL_ATTR(HLF_CUC)); + } +#endif + + screen_line(row + W_WINROW(wp), wp->w_wincol, (int)wp->w_width, + (int)wp->w_width, 0); + + // Update w_cline_height and w_cline_folded if the cursor line was + // updated (saves a call to plines() later). + if (wp == curwin + && lnum <= curwin->w_cursor.lnum + && lnume >= curwin->w_cursor.lnum) + { + curwin->w_cline_row = row; + curwin->w_cline_height = 1; + curwin->w_cline_folded = TRUE; + curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); + } +} +#endif + +/* + * Update a single window. + * + * This may cause the windows below it also to be redrawn (when clearing the + * screen or scrolling lines). + * + * How the window is redrawn depends on wp->w_redr_type. Each type also + * implies the one below it. + * NOT_VALID redraw the whole window + * SOME_VALID redraw the whole window but do scroll when possible + * REDRAW_TOP redraw the top w_upd_rows window lines, otherwise like VALID + * INVERTED redraw the changed part of the Visual area + * INVERTED_ALL redraw the whole Visual area + * VALID 1. scroll up/down to adjust for a changed w_topline + * 2. update lines at the top when scrolled down + * 3. redraw changed text: + * - if wp->w_buffer->b_mod_set set, update lines between + * b_mod_top and b_mod_bot. + * - if wp->w_redraw_top non-zero, redraw lines between + * wp->w_redraw_top and wp->w_redr_bot. + * - continue redrawing when syntax status is invalid. + * 4. if scrolled up, update lines at the bottom. + * This results in three areas that may need updating: + * top: from first row to top_end (when scrolled down) + * mid: from mid_start to mid_end (update inversion or changed text) + * bot: from bot_start to last row (when scrolled up) + */ + static void +win_update(win_T *wp) +{ + buf_T *buf = wp->w_buffer; + int type; + int top_end = 0; // Below last row of the top area that needs + // updating. 0 when no top area updating. + int mid_start = 999;// first row of the mid area that needs + // updating. 999 when no mid area updating. + int mid_end = 0; // Below last row of the mid area that needs + // updating. 0 when no mid area updating. + int bot_start = 999;// first row of the bot area that needs + // updating. 999 when no bot area updating + int scrolled_down = FALSE; // TRUE when scrolled down when + // w_topline got smaller a bit +#ifdef FEAT_SEARCH_EXTRA + int top_to_mod = FALSE; // redraw above mod_top +#endif + + int row; // current window row to display + linenr_T lnum; // current buffer lnum to display + int idx; // current index in w_lines[] + int srow; // starting row of the current line + + int eof = FALSE; // if TRUE, we hit the end of the file + int didline = FALSE; // if TRUE, we finished the last line + int i; + long j; + static int recursive = FALSE; // being called recursively + int old_botline = wp->w_botline; +#ifdef FEAT_FOLDING + long fold_count; +#endif +#ifdef FEAT_SYN_HL + // remember what happened to the previous line, to know if + // check_visual_highlight() can be used +#define DID_NONE 1 // didn't update a line +#define DID_LINE 2 // updated a normal line +#define DID_FOLD 3 // updated a folded line + int did_update = DID_NONE; + linenr_T syntax_last_parsed = 0; // last parsed text line +#endif + linenr_T mod_top = 0; + linenr_T mod_bot = 0; +#if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) + int save_got_int; +#endif +#ifdef SYN_TIME_LIMIT + proftime_T syntax_tm; +#endif + + type = wp->w_redr_type; + + if (type == NOT_VALID) + { + wp->w_redr_status = TRUE; + wp->w_lines_valid = 0; + } + + // Window is zero-height: nothing to draw. + if (wp->w_height + WINBAR_HEIGHT(wp) == 0) + { + wp->w_redr_type = 0; + return; + } + + // Window is zero-width: Only need to draw the separator. + if (wp->w_width == 0) + { + // draw the vertical separator right of this window + draw_vsep_win(wp, 0); + wp->w_redr_type = 0; + return; + } + +#ifdef FEAT_TERMINAL + // If this window contains a terminal, redraw works completely differently. + if (term_do_update_window(wp)) + { + term_update_window(wp); +# ifdef FEAT_MENU + // Draw the window toolbar, if there is one. + if (winbar_height(wp) > 0) + redraw_win_toolbar(wp); +# endif + wp->w_redr_type = 0; + return; + } +#endif + +#ifdef FEAT_SEARCH_EXTRA + init_search_hl(wp, &screen_search_hl); +#endif + +#ifdef FEAT_LINEBREAK + // Force redraw when width of 'number' or 'relativenumber' column + // changes. + i = (wp->w_p_nu || wp->w_p_rnu) ? number_width(wp) : 0; + if (wp->w_nrwidth != i) + { + type = NOT_VALID; + wp->w_nrwidth = i; + } + else +#endif + + if (buf->b_mod_set && buf->b_mod_xlines != 0 && wp->w_redraw_top != 0) + { + // When there are both inserted/deleted lines and specific lines to be + // redrawn, w_redraw_top and w_redraw_bot may be invalid, just redraw + // everything (only happens when redrawing is off for while). + type = NOT_VALID; + } + else + { + // Set mod_top to the first line that needs displaying because of + // changes. Set mod_bot to the first line after the changes. + mod_top = wp->w_redraw_top; + if (wp->w_redraw_bot != 0) + mod_bot = wp->w_redraw_bot + 1; + else + mod_bot = 0; + if (buf->b_mod_set) + { + if (mod_top == 0 || mod_top > buf->b_mod_top) + { + mod_top = buf->b_mod_top; +#ifdef FEAT_SYN_HL + // Need to redraw lines above the change that may be included + // in a pattern match. + if (syntax_present(wp)) + { + mod_top -= buf->b_s.b_syn_sync_linebreaks; + if (mod_top < 1) + mod_top = 1; + } +#endif + } + if (mod_bot == 0 || mod_bot < buf->b_mod_bot) + mod_bot = buf->b_mod_bot; + +#ifdef FEAT_SEARCH_EXTRA + // When 'hlsearch' is on and using a multi-line search pattern, a + // change in one line may make the Search highlighting in a + // previous line invalid. Simple solution: redraw all visible + // lines above the change. + // Same for a match pattern. + if (screen_search_hl.rm.regprog != NULL + && re_multiline(screen_search_hl.rm.regprog)) + top_to_mod = TRUE; + else + { + matchitem_T *cur = wp->w_match_head; + + while (cur != NULL) + { + if (cur->match.regprog != NULL + && re_multiline(cur->match.regprog)) + { + top_to_mod = TRUE; + break; + } + cur = cur->next; + } + } +#endif + } +#ifdef FEAT_FOLDING + if (mod_top != 0 && hasAnyFolding(wp)) + { + linenr_T lnumt, lnumb; + + // A change in a line can cause lines above it to become folded or + // unfolded. Find the top most buffer line that may be affected. + // If the line was previously folded and displayed, get the first + // line of that fold. If the line is folded now, get the first + // folded line. Use the minimum of these two. + + // Find last valid w_lines[] entry above mod_top. Set lnumt to + // the line below it. If there is no valid entry, use w_topline. + // Find the first valid w_lines[] entry below mod_bot. Set lnumb + // to this line. If there is no valid entry, use MAXLNUM. + lnumt = wp->w_topline; + lnumb = MAXLNUM; + for (i = 0; i < wp->w_lines_valid; ++i) + if (wp->w_lines[i].wl_valid) + { + if (wp->w_lines[i].wl_lastlnum < mod_top) + lnumt = wp->w_lines[i].wl_lastlnum + 1; + if (lnumb == MAXLNUM && wp->w_lines[i].wl_lnum >= mod_bot) + { + lnumb = wp->w_lines[i].wl_lnum; + // When there is a fold column it might need updating + // in the next line ("J" just above an open fold). + if (compute_foldcolumn(wp, 0) > 0) + ++lnumb; + } + } + + (void)hasFoldingWin(wp, mod_top, &mod_top, NULL, TRUE, NULL); + if (mod_top > lnumt) + mod_top = lnumt; + + // Now do the same for the bottom line (one above mod_bot). + --mod_bot; + (void)hasFoldingWin(wp, mod_bot, NULL, &mod_bot, TRUE, NULL); + ++mod_bot; + if (mod_bot < lnumb) + mod_bot = lnumb; + } +#endif + + // When a change starts above w_topline and the end is below + // w_topline, start redrawing at w_topline. + // If the end of the change is above w_topline: do like no change was + // made, but redraw the first line to find changes in syntax. + if (mod_top != 0 && mod_top < wp->w_topline) + { + if (mod_bot > wp->w_topline) + mod_top = wp->w_topline; +#ifdef FEAT_SYN_HL + else if (syntax_present(wp)) + top_end = 1; +#endif + } + + // When line numbers are displayed need to redraw all lines below + // inserted/deleted lines. + if (mod_top != 0 && buf->b_mod_xlines != 0 && wp->w_p_nu) + mod_bot = MAXLNUM; + } + wp->w_redraw_top = 0; // reset for next time + wp->w_redraw_bot = 0; + + // When only displaying the lines at the top, set top_end. Used when + // window has scrolled down for msg_scrolled. + if (type == REDRAW_TOP) + { + j = 0; + for (i = 0; i < wp->w_lines_valid; ++i) + { + j += wp->w_lines[i].wl_size; + if (j >= wp->w_upd_rows) + { + top_end = j; + break; + } + } + if (top_end == 0) + // not found (cannot happen?): redraw everything + type = NOT_VALID; + else + // top area defined, the rest is VALID + type = VALID; + } + + // Trick: we want to avoid clearing the screen twice. screenclear() will + // set "screen_cleared" to TRUE. The special value MAYBE (which is still + // non-zero and thus not FALSE) will indicate that screenclear() was not + // called. + if (screen_cleared) + screen_cleared = MAYBE; + + // If there are no changes on the screen that require a complete redraw, + // handle three cases: + // 1: we are off the top of the screen by a few lines: scroll down + // 2: wp->w_topline is below wp->w_lines[0].wl_lnum: may scroll up + // 3: wp->w_topline is wp->w_lines[0].wl_lnum: find first entry in + // w_lines[] that needs updating. + if ((type == VALID || type == SOME_VALID + || type == INVERTED || type == INVERTED_ALL) +#ifdef FEAT_DIFF + && !wp->w_botfill && !wp->w_old_botfill +#endif + ) + { + if (mod_top != 0 && wp->w_topline == mod_top) + { + // w_topline is the first changed line, the scrolling will be done + // further down. + } + else if (wp->w_lines[0].wl_valid + && (wp->w_topline < wp->w_lines[0].wl_lnum +#ifdef FEAT_DIFF + || (wp->w_topline == wp->w_lines[0].wl_lnum + && wp->w_topfill > wp->w_old_topfill) +#endif + )) + { + // New topline is above old topline: May scroll down. +#ifdef FEAT_FOLDING + if (hasAnyFolding(wp)) + { + linenr_T ln; + + // count the number of lines we are off, counting a sequence + // of folded lines as one + j = 0; + for (ln = wp->w_topline; ln < wp->w_lines[0].wl_lnum; ++ln) + { + ++j; + if (j >= wp->w_height - 2) + break; + (void)hasFoldingWin(wp, ln, NULL, &ln, TRUE, NULL); + } + } + else +#endif + j = wp->w_lines[0].wl_lnum - wp->w_topline; + if (j < wp->w_height - 2) // not too far off + { + i = plines_m_win(wp, wp->w_topline, wp->w_lines[0].wl_lnum - 1); +#ifdef FEAT_DIFF + // insert extra lines for previously invisible filler lines + if (wp->w_lines[0].wl_lnum != wp->w_topline) + i += diff_check_fill(wp, wp->w_lines[0].wl_lnum) + - wp->w_old_topfill; +#endif + if (i < wp->w_height - 2) // less than a screen off + { + // Try to insert the correct number of lines. + // If not the last window, delete the lines at the bottom. + // win_ins_lines may fail when the terminal can't do it. + if (i > 0) + check_for_delay(FALSE); + if (win_ins_lines(wp, 0, i, FALSE, wp == firstwin) == OK) + { + if (wp->w_lines_valid != 0) + { + // Need to update rows that are new, stop at the + // first one that scrolled down. + top_end = i; + scrolled_down = TRUE; + + // Move the entries that were scrolled, disable + // the entries for the lines to be redrawn. + if ((wp->w_lines_valid += j) > wp->w_height) + wp->w_lines_valid = wp->w_height; + for (idx = wp->w_lines_valid; idx - j >= 0; idx--) + wp->w_lines[idx] = wp->w_lines[idx - j]; + while (idx >= 0) + wp->w_lines[idx--].wl_valid = FALSE; + } + } + else + mid_start = 0; // redraw all lines + } + else + mid_start = 0; // redraw all lines + } + else + mid_start = 0; // redraw all lines + } + else + { + // New topline is at or below old topline: May scroll up. + // When topline didn't change, find first entry in w_lines[] that + // needs updating. + + // try to find wp->w_topline in wp->w_lines[].wl_lnum + j = -1; + row = 0; + for (i = 0; i < wp->w_lines_valid; i++) + { + if (wp->w_lines[i].wl_valid + && wp->w_lines[i].wl_lnum == wp->w_topline) + { + j = i; + break; + } + row += wp->w_lines[i].wl_size; + } + if (j == -1) + { + // if wp->w_topline is not in wp->w_lines[].wl_lnum redraw all + // lines + mid_start = 0; + } + else + { + // Try to delete the correct number of lines. + // wp->w_topline is at wp->w_lines[i].wl_lnum. +#ifdef FEAT_DIFF + // If the topline didn't change, delete old filler lines, + // otherwise delete filler lines of the new topline... + if (wp->w_lines[0].wl_lnum == wp->w_topline) + row += wp->w_old_topfill; + else + row += diff_check_fill(wp, wp->w_topline); + // ... but don't delete new filler lines. + row -= wp->w_topfill; +#endif + if (row > 0) + { + check_for_delay(FALSE); + if (win_del_lines(wp, 0, row, FALSE, wp == firstwin, 0) + == OK) + bot_start = wp->w_height - row; + else + mid_start = 0; // redraw all lines + } + if ((row == 0 || bot_start < 999) && wp->w_lines_valid != 0) + { + // Skip the lines (below the deleted lines) that are still + // valid and don't need redrawing. Copy their info + // upwards, to compensate for the deleted lines. Set + // bot_start to the first row that needs redrawing. + bot_start = 0; + idx = 0; + for (;;) + { + wp->w_lines[idx] = wp->w_lines[j]; + // stop at line that didn't fit, unless it is still + // valid (no lines deleted) + if (row > 0 && bot_start + row + + (int)wp->w_lines[j].wl_size > wp->w_height) + { + wp->w_lines_valid = idx + 1; + break; + } + bot_start += wp->w_lines[idx++].wl_size; + + // stop at the last valid entry in w_lines[].wl_size + if (++j >= wp->w_lines_valid) + { + wp->w_lines_valid = idx; + break; + } + } +#ifdef FEAT_DIFF + // Correct the first entry for filler lines at the top + // when it won't get updated below. + if (wp->w_p_diff && bot_start > 0) + wp->w_lines[0].wl_size = + plines_win_nofill(wp, wp->w_topline, TRUE) + + wp->w_topfill; +#endif + } + } + } + + // When starting redraw in the first line, redraw all lines. When + // there is only one window it's probably faster to clear the screen + // first. + if (mid_start == 0) + { + mid_end = wp->w_height; + if (ONE_WINDOW && !WIN_IS_POPUP(wp)) + { + // Clear the screen when it was not done by win_del_lines() or + // win_ins_lines() above, "screen_cleared" is FALSE or MAYBE + // then. + if (screen_cleared != TRUE) + screenclear(); + // The screen was cleared, redraw the tab pages line. + if (redraw_tabline) + draw_tabline(); + } + } + + // When win_del_lines() or win_ins_lines() caused the screen to be + // cleared (only happens for the first window) or when screenclear() + // was called directly above, "must_redraw" will have been set to + // NOT_VALID, need to reset it here to avoid redrawing twice. + if (screen_cleared == TRUE) + must_redraw = 0; + } + else + { + // Not VALID or INVERTED: redraw all lines. + mid_start = 0; + mid_end = wp->w_height; + } + + if (type == SOME_VALID) + { + // SOME_VALID: redraw all lines. + mid_start = 0; + mid_end = wp->w_height; + type = NOT_VALID; + } + + // check if we are updating or removing the inverted part + if ((VIsual_active && buf == curwin->w_buffer) + || (wp->w_old_cursor_lnum != 0 && type != NOT_VALID)) + { + linenr_T from, to; + + if (VIsual_active) + { + if (VIsual_active + && (VIsual_mode != wp->w_old_visual_mode + || type == INVERTED_ALL)) + { + // If the type of Visual selection changed, redraw the whole + // selection. Also when the ownership of the X selection is + // gained or lost. + if (curwin->w_cursor.lnum < VIsual.lnum) + { + from = curwin->w_cursor.lnum; + to = VIsual.lnum; + } + else + { + from = VIsual.lnum; + to = curwin->w_cursor.lnum; + } + // redraw more when the cursor moved as well + if (wp->w_old_cursor_lnum < from) + from = wp->w_old_cursor_lnum; + if (wp->w_old_cursor_lnum > to) + to = wp->w_old_cursor_lnum; + if (wp->w_old_visual_lnum < from) + from = wp->w_old_visual_lnum; + if (wp->w_old_visual_lnum > to) + to = wp->w_old_visual_lnum; + } + else + { + // Find the line numbers that need to be updated: The lines + // between the old cursor position and the current cursor + // position. Also check if the Visual position changed. + if (curwin->w_cursor.lnum < wp->w_old_cursor_lnum) + { + from = curwin->w_cursor.lnum; + to = wp->w_old_cursor_lnum; + } + else + { + from = wp->w_old_cursor_lnum; + to = curwin->w_cursor.lnum; + if (from == 0) // Visual mode just started + from = to; + } + + if (VIsual.lnum != wp->w_old_visual_lnum + || VIsual.col != wp->w_old_visual_col) + { + if (wp->w_old_visual_lnum < from + && wp->w_old_visual_lnum != 0) + from = wp->w_old_visual_lnum; + if (wp->w_old_visual_lnum > to) + to = wp->w_old_visual_lnum; + if (VIsual.lnum < from) + from = VIsual.lnum; + if (VIsual.lnum > to) + to = VIsual.lnum; + } + } + + // If in block mode and changed column or curwin->w_curswant: + // update all lines. + // First compute the actual start and end column. + if (VIsual_mode == Ctrl_V) + { + colnr_T fromc, toc; +#if defined(FEAT_LINEBREAK) + int save_ve_flags = ve_flags; + + if (curwin->w_p_lbr) + ve_flags = VE_ALL; +#endif + getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc); +#if defined(FEAT_LINEBREAK) + ve_flags = save_ve_flags; +#endif + ++toc; + if (curwin->w_curswant == MAXCOL) + toc = MAXCOL; + + if (fromc != wp->w_old_cursor_fcol + || toc != wp->w_old_cursor_lcol) + { + if (from > VIsual.lnum) + from = VIsual.lnum; + if (to < VIsual.lnum) + to = VIsual.lnum; + } + wp->w_old_cursor_fcol = fromc; + wp->w_old_cursor_lcol = toc; + } + } + else + { + // Use the line numbers of the old Visual area. + if (wp->w_old_cursor_lnum < wp->w_old_visual_lnum) + { + from = wp->w_old_cursor_lnum; + to = wp->w_old_visual_lnum; + } + else + { + from = wp->w_old_visual_lnum; + to = wp->w_old_cursor_lnum; + } + } + + // There is no need to update lines above the top of the window. + if (from < wp->w_topline) + from = wp->w_topline; + + // If we know the value of w_botline, use it to restrict the update to + // the lines that are visible in the window. + if (wp->w_valid & VALID_BOTLINE) + { + if (from >= wp->w_botline) + from = wp->w_botline - 1; + if (to >= wp->w_botline) + to = wp->w_botline - 1; + } + + // Find the minimal part to be updated. + // Watch out for scrolling that made entries in w_lines[] invalid. + // E.g., CTRL-U makes the first half of w_lines[] invalid and sets + // top_end; need to redraw from top_end to the "to" line. + // A middle mouse click with a Visual selection may change the text + // above the Visual area and reset wl_valid, do count these for + // mid_end (in srow). + if (mid_start > 0) + { + lnum = wp->w_topline; + idx = 0; + srow = 0; + if (scrolled_down) + mid_start = top_end; + else + mid_start = 0; + while (lnum < from && idx < wp->w_lines_valid) // find start + { + if (wp->w_lines[idx].wl_valid) + mid_start += wp->w_lines[idx].wl_size; + else if (!scrolled_down) + srow += wp->w_lines[idx].wl_size; + ++idx; +# ifdef FEAT_FOLDING + if (idx < wp->w_lines_valid && wp->w_lines[idx].wl_valid) + lnum = wp->w_lines[idx].wl_lnum; + else +# endif + ++lnum; + } + srow += mid_start; + mid_end = wp->w_height; + for ( ; idx < wp->w_lines_valid; ++idx) // find end + { + if (wp->w_lines[idx].wl_valid + && wp->w_lines[idx].wl_lnum >= to + 1) + { + // Only update until first row of this line + mid_end = srow; + break; + } + srow += wp->w_lines[idx].wl_size; + } + } + } + + if (VIsual_active && buf == curwin->w_buffer) + { + wp->w_old_visual_mode = VIsual_mode; + wp->w_old_cursor_lnum = curwin->w_cursor.lnum; + wp->w_old_visual_lnum = VIsual.lnum; + wp->w_old_visual_col = VIsual.col; + wp->w_old_curswant = curwin->w_curswant; + } + else + { + wp->w_old_visual_mode = 0; + wp->w_old_cursor_lnum = 0; + wp->w_old_visual_lnum = 0; + wp->w_old_visual_col = 0; + } + +#if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) + // reset got_int, otherwise regexp won't work + save_got_int = got_int; + got_int = 0; +#endif +#ifdef SYN_TIME_LIMIT + // Set the time limit to 'redrawtime'. + profile_setlimit(p_rdt, &syntax_tm); + syn_set_timeout(&syntax_tm); +#endif +#ifdef FEAT_FOLDING + win_foldinfo.fi_level = 0; +#endif + +#ifdef FEAT_MENU + // Draw the window toolbar, if there is one. + // TODO: only when needed. + if (winbar_height(wp) > 0) + redraw_win_toolbar(wp); +#endif + + // Update all the window rows. + idx = 0; // first entry in w_lines[].wl_size + row = 0; + srow = 0; + lnum = wp->w_topline; // first line shown in window + for (;;) + { + // stop updating when reached the end of the window (check for _past_ + // the end of the window is at the end of the loop) + if (row == wp->w_height) + { + didline = TRUE; + break; + } + + // stop updating when hit the end of the file + if (lnum > buf->b_ml.ml_line_count) + { + eof = TRUE; + break; + } + + // Remember the starting row of the line that is going to be dealt + // with. It is used further down when the line doesn't fit. + srow = row; + + // Update a line when it is in an area that needs updating, when it + // has changes or w_lines[idx] is invalid. + // "bot_start" may be halfway a wrapped line after using + // win_del_lines(), check if the current line includes it. + // When syntax folding is being used, the saved syntax states will + // already have been updated, we can't see where the syntax state is + // the same again, just update until the end of the window. + if (row < top_end + || (row >= mid_start && row < mid_end) +#ifdef FEAT_SEARCH_EXTRA + || top_to_mod +#endif + || idx >= wp->w_lines_valid + || (row + wp->w_lines[idx].wl_size > bot_start) + || (mod_top != 0 + && (lnum == mod_top + || (lnum >= mod_top + && (lnum < mod_bot +#ifdef FEAT_SYN_HL + || did_update == DID_FOLD + || (did_update == DID_LINE + && syntax_present(wp) + && ( +# ifdef FEAT_FOLDING + (foldmethodIsSyntax(wp) + && hasAnyFolding(wp)) || +# endif + syntax_check_changed(lnum))) +#endif +#ifdef FEAT_SEARCH_EXTRA + // match in fixed position might need redraw + // if lines were inserted or deleted + || (wp->w_match_head != NULL + && buf->b_mod_xlines != 0) +#endif + ))))) + { +#ifdef FEAT_SEARCH_EXTRA + if (lnum == mod_top) + top_to_mod = FALSE; +#endif + + // When at start of changed lines: May scroll following lines + // up or down to minimize redrawing. + // Don't do this when the change continues until the end. + // Don't scroll when dollar_vcol >= 0, keep the "$". + if (lnum == mod_top + && mod_bot != MAXLNUM + && !(dollar_vcol >= 0 && mod_bot == mod_top + 1)) + { + int old_rows = 0; + int new_rows = 0; + int xtra_rows; + linenr_T l; + + // Count the old number of window rows, using w_lines[], which + // should still contain the sizes for the lines as they are + // currently displayed. + for (i = idx; i < wp->w_lines_valid; ++i) + { + // Only valid lines have a meaningful wl_lnum. Invalid + // lines are part of the changed area. + if (wp->w_lines[i].wl_valid + && wp->w_lines[i].wl_lnum == mod_bot) + break; + old_rows += wp->w_lines[i].wl_size; +#ifdef FEAT_FOLDING + if (wp->w_lines[i].wl_valid + && wp->w_lines[i].wl_lastlnum + 1 == mod_bot) + { + // Must have found the last valid entry above mod_bot. + // Add following invalid entries. + ++i; + while (i < wp->w_lines_valid + && !wp->w_lines[i].wl_valid) + old_rows += wp->w_lines[i++].wl_size; + break; + } +#endif + } + + if (i >= wp->w_lines_valid) + { + // We can't find a valid line below the changed lines, + // need to redraw until the end of the window. + // Inserting/deleting lines has no use. + bot_start = 0; + } + else + { + // Able to count old number of rows: Count new window + // rows, and may insert/delete lines + j = idx; + for (l = lnum; l < mod_bot; ++l) + { +#ifdef FEAT_FOLDING + if (hasFoldingWin(wp, l, NULL, &l, TRUE, NULL)) + ++new_rows; + else +#endif +#ifdef FEAT_DIFF + if (l == wp->w_topline) + new_rows += plines_win_nofill(wp, l, TRUE) + + wp->w_topfill; + else +#endif + new_rows += plines_win(wp, l, TRUE); + ++j; + if (new_rows > wp->w_height - row - 2) + { + // it's getting too much, must redraw the rest + new_rows = 9999; + break; + } + } + xtra_rows = new_rows - old_rows; + if (xtra_rows < 0) + { + // May scroll text up. If there is not enough + // remaining text or scrolling fails, must redraw the + // rest. If scrolling works, must redraw the text + // below the scrolled text. + if (row - xtra_rows >= wp->w_height - 2) + mod_bot = MAXLNUM; + else + { + check_for_delay(FALSE); + if (win_del_lines(wp, row, + -xtra_rows, FALSE, FALSE, 0) == FAIL) + mod_bot = MAXLNUM; + else + bot_start = wp->w_height + xtra_rows; + } + } + else if (xtra_rows > 0) + { + // May scroll text down. If there is not enough + // remaining text of scrolling fails, must redraw the + // rest. + if (row + xtra_rows >= wp->w_height - 2) + mod_bot = MAXLNUM; + else + { + check_for_delay(FALSE); + if (win_ins_lines(wp, row + old_rows, + xtra_rows, FALSE, FALSE) == FAIL) + mod_bot = MAXLNUM; + else if (top_end > row + old_rows) + // Scrolled the part at the top that requires + // updating down. + top_end += xtra_rows; + } + } + + // When not updating the rest, may need to move w_lines[] + // entries. + if (mod_bot != MAXLNUM && i != j) + { + if (j < i) + { + int x = row + new_rows; + + // move entries in w_lines[] upwards + for (;;) + { + // stop at last valid entry in w_lines[] + if (i >= wp->w_lines_valid) + { + wp->w_lines_valid = j; + break; + } + wp->w_lines[j] = wp->w_lines[i]; + // stop at a line that won't fit + if (x + (int)wp->w_lines[j].wl_size + > wp->w_height) + { + wp->w_lines_valid = j + 1; + break; + } + x += wp->w_lines[j++].wl_size; + ++i; + } + if (bot_start > x) + bot_start = x; + } + else // j > i + { + // move entries in w_lines[] downwards + j -= i; + wp->w_lines_valid += j; + if (wp->w_lines_valid > wp->w_height) + wp->w_lines_valid = wp->w_height; + for (i = wp->w_lines_valid; i - j >= idx; --i) + wp->w_lines[i] = wp->w_lines[i - j]; + + // The w_lines[] entries for inserted lines are + // now invalid, but wl_size may be used above. + // Reset to zero. + while (i >= idx) + { + wp->w_lines[i].wl_size = 0; + wp->w_lines[i--].wl_valid = FALSE; + } + } + } + } + } + +#ifdef FEAT_FOLDING + // When lines are folded, display one line for all of them. + // Otherwise, display normally (can be several display lines when + // 'wrap' is on). + fold_count = foldedCount(wp, lnum, &win_foldinfo); + if (fold_count != 0) + { + fold_line(wp, fold_count, &win_foldinfo, lnum, row); + ++row; + --fold_count; + wp->w_lines[idx].wl_folded = TRUE; + wp->w_lines[idx].wl_lastlnum = lnum + fold_count; +# ifdef FEAT_SYN_HL + did_update = DID_FOLD; +# endif + } + else +#endif + if (idx < wp->w_lines_valid + && wp->w_lines[idx].wl_valid + && wp->w_lines[idx].wl_lnum == lnum + && lnum > wp->w_topline + && !(dy_flags & (DY_LASTLINE | DY_TRUNCATE)) + && !WIN_IS_POPUP(wp) + && srow + wp->w_lines[idx].wl_size > wp->w_height +#ifdef FEAT_DIFF + && diff_check_fill(wp, lnum) == 0 +#endif + ) + { + // This line is not going to fit. Don't draw anything here, + // will draw "@ " lines below. + row = wp->w_height + 1; + } + else + { +#ifdef FEAT_SEARCH_EXTRA + prepare_search_hl(wp, &screen_search_hl, lnum); +#endif +#ifdef FEAT_SYN_HL + // Let the syntax stuff know we skipped a few lines. + if (syntax_last_parsed != 0 && syntax_last_parsed + 1 < lnum + && syntax_present(wp)) + syntax_end_parsing(syntax_last_parsed + 1); +#endif + + // Display one line. + row = win_line(wp, lnum, srow, wp->w_height, + mod_top == 0, FALSE); + +#ifdef FEAT_FOLDING + wp->w_lines[idx].wl_folded = FALSE; + wp->w_lines[idx].wl_lastlnum = lnum; +#endif +#ifdef FEAT_SYN_HL + did_update = DID_LINE; + syntax_last_parsed = lnum; +#endif + } + + wp->w_lines[idx].wl_lnum = lnum; + wp->w_lines[idx].wl_valid = TRUE; + + // Past end of the window or end of the screen. Note that after + // resizing wp->w_height may be end up too big. That's a problem + // elsewhere, but prevent a crash here. + if (row > wp->w_height || row + wp->w_winrow >= Rows) + { + // we may need the size of that too long line later on + if (dollar_vcol == -1) + wp->w_lines[idx].wl_size = plines_win(wp, lnum, TRUE); + ++idx; + break; + } + if (dollar_vcol == -1) + wp->w_lines[idx].wl_size = row - srow; + ++idx; +#ifdef FEAT_FOLDING + lnum += fold_count + 1; +#else + ++lnum; +#endif + } + else + { + if (wp->w_p_rnu) + { +#ifdef FEAT_FOLDING + // 'relativenumber' set: The text doesn't need to be drawn, but + // the number column nearly always does. + fold_count = foldedCount(wp, lnum, &win_foldinfo); + if (fold_count != 0) + fold_line(wp, fold_count, &win_foldinfo, lnum, row); + else +#endif + (void)win_line(wp, lnum, srow, wp->w_height, TRUE, TRUE); + } + + // This line does not need to be drawn, advance to the next one. + row += wp->w_lines[idx++].wl_size; + if (row > wp->w_height) // past end of screen + break; +#ifdef FEAT_FOLDING + lnum = wp->w_lines[idx - 1].wl_lastlnum + 1; +#else + ++lnum; +#endif +#ifdef FEAT_SYN_HL + did_update = DID_NONE; +#endif + } + + if (lnum > buf->b_ml.ml_line_count) + { + eof = TRUE; + break; + } + } + + // End of loop over all window lines. + +#ifdef FEAT_VTP + // Rewrite the character at the end of the screen line. + if (use_vtp()) + { + int i; + + for (i = 0; i < Rows; ++i) + if (enc_utf8) + if ((*mb_off2cells)(LineOffset[i] + Columns - 2, + LineOffset[i] + screen_Columns) > 1) + screen_draw_rectangle(i, Columns - 2, 1, 2, FALSE); + else + screen_draw_rectangle(i, Columns - 1, 1, 1, FALSE); + else + screen_char(LineOffset[i] + Columns - 1, i, Columns - 1); + } +#endif + + if (idx > wp->w_lines_valid) + wp->w_lines_valid = idx; + +#ifdef FEAT_SYN_HL + // Let the syntax stuff know we stop parsing here. + if (syntax_last_parsed != 0 && syntax_present(wp)) + syntax_end_parsing(syntax_last_parsed + 1); +#endif + + // If we didn't hit the end of the file, and we didn't finish the last + // line we were working on, then the line didn't fit. + wp->w_empty_rows = 0; +#ifdef FEAT_DIFF + wp->w_filler_rows = 0; +#endif + if (!eof && !didline) + { + if (lnum == wp->w_topline) + { + // Single line that does not fit! + // Don't overwrite it, it can be edited. + wp->w_botline = lnum + 1; + } +#ifdef FEAT_DIFF + else if (diff_check_fill(wp, lnum) >= wp->w_height - srow) + { + // Window ends in filler lines. + wp->w_botline = lnum; + wp->w_filler_rows = wp->w_height - srow; + } +#endif +#ifdef FEAT_TEXT_PROP + else if (WIN_IS_POPUP(wp)) + { + // popup line that doesn't fit is left as-is + wp->w_botline = lnum; + } +#endif + else if (dy_flags & DY_TRUNCATE) // 'display' has "truncate" + { + int scr_row = W_WINROW(wp) + wp->w_height - 1; + + // Last line isn't finished: Display "@@@" in the last screen line. + screen_puts_len((char_u *)"@@", 2, scr_row, wp->w_wincol, + HL_ATTR(HLF_AT)); + screen_fill(scr_row, scr_row + 1, + (int)wp->w_wincol + 2, (int)W_ENDCOL(wp), + '@', ' ', HL_ATTR(HLF_AT)); + set_empty_rows(wp, srow); + wp->w_botline = lnum; + } + else if (dy_flags & DY_LASTLINE) // 'display' has "lastline" + { + // Last line isn't finished: Display "@@@" at the end. + screen_fill(W_WINROW(wp) + wp->w_height - 1, + W_WINROW(wp) + wp->w_height, + (int)W_ENDCOL(wp) - 3, (int)W_ENDCOL(wp), + '@', '@', HL_ATTR(HLF_AT)); + set_empty_rows(wp, srow); + wp->w_botline = lnum; + } + else + { + win_draw_end(wp, '@', ' ', TRUE, srow, wp->w_height, HLF_AT); + wp->w_botline = lnum; + } + } + else + { + draw_vsep_win(wp, row); + if (eof) // we hit the end of the file + { + wp->w_botline = buf->b_ml.ml_line_count + 1; +#ifdef FEAT_DIFF + j = diff_check_fill(wp, wp->w_botline); + if (j > 0 && !wp->w_botfill) + { + // Display filler lines at the end of the file. + if (char2cells(fill_diff) > 1) + i = '-'; + else + i = fill_diff; + if (row + j > wp->w_height) + j = wp->w_height - row; + win_draw_end(wp, i, i, TRUE, row, row + (int)j, HLF_DED); + row += j; + } +#endif + } + else if (dollar_vcol == -1) + wp->w_botline = lnum; + + // Make sure the rest of the screen is blank + // put '~'s on rows that aren't part of the file. + win_draw_end(wp, WIN_IS_POPUP(wp) ? ' ' : '~', + ' ', FALSE, row, wp->w_height, HLF_EOB); + } + +#ifdef SYN_TIME_LIMIT + syn_set_timeout(NULL); +#endif + + // Reset the type of redrawing required, the window has been updated. + wp->w_redr_type = 0; +#ifdef FEAT_DIFF + wp->w_old_topfill = wp->w_topfill; + wp->w_old_botfill = wp->w_botfill; +#endif + + if (dollar_vcol == -1) + { + // There is a trick with w_botline. If we invalidate it on each + // change that might modify it, this will cause a lot of expensive + // calls to plines() in update_topline() each time. Therefore the + // value of w_botline is often approximated, and this value is used to + // compute the value of w_topline. If the value of w_botline was + // wrong, check that the value of w_topline is correct (cursor is on + // the visible part of the text). If it's not, we need to redraw + // again. Mostly this just means scrolling up a few lines, so it + // doesn't look too bad. Only do this for the current window (where + // changes are relevant). + wp->w_valid |= VALID_BOTLINE; + if (wp == curwin && wp->w_botline != old_botline && !recursive) + { + recursive = TRUE; + curwin->w_valid &= ~VALID_TOPLINE; + update_topline(); // may invalidate w_botline again + if (must_redraw != 0) + { + // Don't update for changes in buffer again. + i = curbuf->b_mod_set; + curbuf->b_mod_set = FALSE; + win_update(curwin); + must_redraw = 0; + curbuf->b_mod_set = i; + } + recursive = FALSE; + } + } + +#if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) + // restore got_int, unless CTRL-C was hit while redrawing + if (!got_int) + got_int = save_got_int; +#endif +} + +#if defined(FEAT_NETBEANS_INTG) || defined(FEAT_GUI) +/* + * Prepare for updating one or more windows. + * Caller must check for "updating_screen" already set to avoid recursiveness. + */ + static void +update_prepare(void) +{ + cursor_off(); + updating_screen = TRUE; +#ifdef FEAT_GUI + // Remove the cursor before starting to do anything, because scrolling may + // make it difficult to redraw the text under it. + if (gui.in_use) + gui_undraw_cursor(); +#endif +#ifdef FEAT_SEARCH_EXTRA + start_search_hl(); +#endif +#ifdef FEAT_TEXT_PROP + // Update popup_mask if needed. + may_update_popup_mask(must_redraw); +#endif +} + +/* + * Finish updating one or more windows. + */ + static void +update_finish(void) +{ + if (redraw_cmdline || redraw_mode) + showmode(); + +# ifdef FEAT_SEARCH_EXTRA + end_search_hl(); +# endif + + after_updating_screen(TRUE); + +# ifdef FEAT_GUI + // Redraw the cursor and update the scrollbars when all screen updating is + // done. + if (gui.in_use) + { + out_flush_cursor(FALSE, FALSE); + gui_update_scrollbars(FALSE); + } +# endif +} +#endif + +#if defined(FEAT_NETBEANS_INTG) || defined(PROTO) + void +update_debug_sign(buf_T *buf, linenr_T lnum) +{ + win_T *wp; + int doit = FALSE; + +# ifdef FEAT_FOLDING + win_foldinfo.fi_level = 0; +# endif + + // update/delete a specific sign + redraw_buf_line_later(buf, lnum); + + // check if it resulted in the need to redraw a window + FOR_ALL_WINDOWS(wp) + if (wp->w_redr_type != 0) + doit = TRUE; + + // Return when there is nothing to do, screen updating is already + // happening (recursive call), messages on the screen or still starting up. + if (!doit || updating_screen + || State == ASKMORE || State == HITRETURN + || msg_scrolled +#ifdef FEAT_GUI + || gui.starting +#endif + || starting) + return; + + // update all windows that need updating + update_prepare(); + + FOR_ALL_WINDOWS(wp) + { + if (wp->w_redr_type != 0) + win_update(wp); + if (wp->w_redr_status) + win_redr_status(wp, FALSE); + } + + update_finish(); +} +#endif + +#if defined(FEAT_GUI) || defined(PROTO) +/* + * Update a single window, its status line and maybe the command line msg. + * Used for the GUI scrollbar. + */ + void +updateWindow(win_T *wp) +{ + // return if already busy updating + if (updating_screen) + return; + + update_prepare(); + +#ifdef FEAT_CLIPBOARD + // When Visual area changed, may have to update selection. + if (clip_star.available && clip_isautosel_star()) + clip_update_selection(&clip_star); + if (clip_plus.available && clip_isautosel_plus()) + clip_update_selection(&clip_plus); +#endif + + win_update(wp); + + // When the screen was cleared redraw the tab pages line. + if (redraw_tabline) + draw_tabline(); + + if (wp->w_redr_status +# ifdef FEAT_CMDL_INFO + || p_ru +# endif +# ifdef FEAT_STL_OPT + || *p_stl != NUL || *wp->w_p_stl != NUL +# endif + ) + win_redr_status(wp, FALSE); + +#ifdef FEAT_TEXT_PROP + // Display popup windows on top of everything. + update_popups(win_update); +#endif + + update_finish(); +} +#endif + +#if defined(FEAT_TERMRESPONSE) || defined(PROTO) +/* + * Redraw as soon as possible. When the command line is not scrolled redraw + * right away and restore what was on the command line. + * Return a code indicating what happened. + */ + int +redraw_asap(int type) +{ + int rows; + int cols = screen_Columns; + int r; + int ret = 0; + schar_T *screenline; // copy from ScreenLines[] + sattr_T *screenattr; // copy from ScreenAttrs[] + int i; + u8char_T *screenlineUC = NULL; // copy from ScreenLinesUC[] + u8char_T *screenlineC[MAX_MCO]; // copy from ScreenLinesC[][] + schar_T *screenline2 = NULL; // copy from ScreenLines2[] + + redraw_later(type); + if (msg_scrolled || (State != NORMAL && State != NORMAL_BUSY) || exiting) + return ret; + + // Allocate space to save the text displayed in the command line area. + rows = screen_Rows - cmdline_row; + screenline = LALLOC_MULT(schar_T, rows * cols); + screenattr = LALLOC_MULT(sattr_T, rows * cols); + if (screenline == NULL || screenattr == NULL) + ret = 2; + if (enc_utf8) + { + screenlineUC = LALLOC_MULT(u8char_T, rows * cols); + if (screenlineUC == NULL) + ret = 2; + for (i = 0; i < p_mco; ++i) + { + screenlineC[i] = LALLOC_MULT(u8char_T, rows * cols); + if (screenlineC[i] == NULL) + ret = 2; + } + } + if (enc_dbcs == DBCS_JPNU) + { + screenline2 = LALLOC_MULT(schar_T, rows * cols); + if (screenline2 == NULL) + ret = 2; + } + + if (ret != 2) + { + // Save the text displayed in the command line area. + for (r = 0; r < rows; ++r) + { + mch_memmove(screenline + r * cols, + ScreenLines + LineOffset[cmdline_row + r], + (size_t)cols * sizeof(schar_T)); + mch_memmove(screenattr + r * cols, + ScreenAttrs + LineOffset[cmdline_row + r], + (size_t)cols * sizeof(sattr_T)); + if (enc_utf8) + { + mch_memmove(screenlineUC + r * cols, + ScreenLinesUC + LineOffset[cmdline_row + r], + (size_t)cols * sizeof(u8char_T)); + for (i = 0; i < p_mco; ++i) + mch_memmove(screenlineC[i] + r * cols, + ScreenLinesC[i] + LineOffset[cmdline_row + r], + (size_t)cols * sizeof(u8char_T)); + } + if (enc_dbcs == DBCS_JPNU) + mch_memmove(screenline2 + r * cols, + ScreenLines2 + LineOffset[cmdline_row + r], + (size_t)cols * sizeof(schar_T)); + } + + update_screen(0); + ret = 3; + + if (must_redraw == 0) + { + int off = (int)(current_ScreenLine - ScreenLines); + + // Restore the text displayed in the command line area. + for (r = 0; r < rows; ++r) + { + mch_memmove(current_ScreenLine, + screenline + r * cols, + (size_t)cols * sizeof(schar_T)); + mch_memmove(ScreenAttrs + off, + screenattr + r * cols, + (size_t)cols * sizeof(sattr_T)); + if (enc_utf8) + { + mch_memmove(ScreenLinesUC + off, + screenlineUC + r * cols, + (size_t)cols * sizeof(u8char_T)); + for (i = 0; i < p_mco; ++i) + mch_memmove(ScreenLinesC[i] + off, + screenlineC[i] + r * cols, + (size_t)cols * sizeof(u8char_T)); + } + if (enc_dbcs == DBCS_JPNU) + mch_memmove(ScreenLines2 + off, + screenline2 + r * cols, + (size_t)cols * sizeof(schar_T)); + screen_line(cmdline_row + r, 0, cols, cols, 0); + } + ret = 4; + } + } + + vim_free(screenline); + vim_free(screenattr); + if (enc_utf8) + { + vim_free(screenlineUC); + for (i = 0; i < p_mco; ++i) + vim_free(screenlineC[i]); + } + if (enc_dbcs == DBCS_JPNU) + vim_free(screenline2); + + // Show the intro message when appropriate. + maybe_intro_message(); + + setcursor(); + + return ret; +} +#endif + +/* + * Invoked after an asynchronous callback is called. + * If an echo command was used the cursor needs to be put back where + * it belongs. If highlighting was changed a redraw is needed. + * If "call_update_screen" is FALSE don't call update_screen() when at the + * command line. + */ + void +redraw_after_callback(int call_update_screen) +{ + ++redrawing_for_callback; + + if (State == HITRETURN || State == ASKMORE) + ; // do nothing + else if (State & CMDLINE) + { + // Don't redraw when in prompt_for_number(). + if (cmdline_row > 0) + { + // Redrawing only works when the screen didn't scroll. Don't clear + // wildmenu entries. + if (msg_scrolled == 0 +#ifdef FEAT_WILDMENU + && wild_menu_showing == 0 +#endif + && call_update_screen) + update_screen(0); + + // Redraw in the same position, so that the user can continue + // editing the command. + redrawcmdline_ex(FALSE); + } + } + else if (State & (NORMAL | INSERT | TERMINAL)) + { + // keep the command line if possible + update_screen(VALID_NO_UPDATE); + setcursor(); + } + cursor_on(); +#ifdef FEAT_GUI + if (gui.in_use && !gui_mch_is_blink_off()) + // Don't update the cursor when it is blinking and off to avoid + // flicker. + out_flush_cursor(FALSE, FALSE); + else +#endif + out_flush(); + + --redrawing_for_callback; +} + +/* + * Redraw the current window later, with update_screen(type). + * Set must_redraw only if not already set to a higher value. + * E.g. if must_redraw is CLEAR, type NOT_VALID will do nothing. + */ + void +redraw_later(int type) +{ + redraw_win_later(curwin, type); +} + + void +redraw_win_later( + win_T *wp, + int type) +{ + if (!exiting && wp->w_redr_type < type) + { + wp->w_redr_type = type; + if (type >= NOT_VALID) + wp->w_lines_valid = 0; + if (must_redraw < type) // must_redraw is the maximum of all windows + must_redraw = type; + } +} + +/* + * Force a complete redraw later. Also resets the highlighting. To be used + * after executing a shell command that messes up the screen. + */ + void +redraw_later_clear(void) +{ + redraw_all_later(CLEAR); + reset_screen_attr(); +} + +/* + * Mark all windows to be redrawn later. + */ + void +redraw_all_later(int type) +{ + win_T *wp; + + FOR_ALL_WINDOWS(wp) + redraw_win_later(wp, type); + // This may be needed when switching tabs. + if (must_redraw < type) + must_redraw = type; +} + +/* + * Mark all windows that are editing the current buffer to be updated later. + */ + void +redraw_curbuf_later(int type) +{ + redraw_buf_later(curbuf, type); +} + + void +redraw_buf_later(buf_T *buf, int type) +{ + win_T *wp; + + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer == buf) + redraw_win_later(wp, type); + } +} + +#if defined(FEAT_SIGNS) || defined(PROTO) + void +redraw_buf_line_later(buf_T *buf, linenr_T lnum) +{ + win_T *wp; + + FOR_ALL_WINDOWS(wp) + if (wp->w_buffer == buf && lnum >= wp->w_topline + && lnum < wp->w_botline) + redrawWinline(wp, lnum); +} +#endif + +#if defined(FEAT_JOB_CHANNEL) || defined(PROTO) + void +redraw_buf_and_status_later(buf_T *buf, int type) +{ + win_T *wp; + +#ifdef FEAT_WILDMENU + if (wild_menu_showing != 0) + // Don't redraw while the command line completion is displayed, it + // would disappear. + return; +#endif + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer == buf) + { + redraw_win_later(wp, type); + wp->w_redr_status = TRUE; + } + } +} +#endif + +/* + * mark all status lines for redraw; used after first :cd + */ + void +status_redraw_all(void) +{ + win_T *wp; + + FOR_ALL_WINDOWS(wp) + if (wp->w_status_height) + { + wp->w_redr_status = TRUE; + redraw_later(VALID); + } +} + +/* + * mark all status lines of the current buffer for redraw + */ + void +status_redraw_curbuf(void) +{ + win_T *wp; + + FOR_ALL_WINDOWS(wp) + if (wp->w_status_height != 0 && wp->w_buffer == curbuf) + { + wp->w_redr_status = TRUE; + redraw_later(VALID); + } +} + +/* + * Redraw all status lines that need to be redrawn. + */ + void +redraw_statuslines(void) +{ + win_T *wp; + + FOR_ALL_WINDOWS(wp) + if (wp->w_redr_status) + win_redr_status(wp, FALSE); + if (redraw_tabline) + draw_tabline(); +} + +#if defined(FEAT_WILDMENU) || defined(PROTO) +/* + * Redraw all status lines at the bottom of frame "frp". + */ + void +win_redraw_last_status(frame_T *frp) +{ + if (frp->fr_layout == FR_LEAF) + frp->fr_win->w_redr_status = TRUE; + else if (frp->fr_layout == FR_ROW) + { + FOR_ALL_FRAMES(frp, frp->fr_child) + win_redraw_last_status(frp); + } + else // frp->fr_layout == FR_COL + { + frp = frp->fr_child; + while (frp->fr_next != NULL) + frp = frp->fr_next; + win_redraw_last_status(frp); + } +} +#endif + +/* + * Changed something in the current window, at buffer line "lnum", that + * requires that line and possibly other lines to be redrawn. + * Used when entering/leaving Insert mode with the cursor on a folded line. + * Used to remove the "$" from a change command. + * Note that when also inserting/deleting lines w_redraw_top and w_redraw_bot + * may become invalid and the whole window will have to be redrawn. + */ + void +redrawWinline( + win_T *wp, + linenr_T lnum) +{ + if (wp->w_redraw_top == 0 || wp->w_redraw_top > lnum) + wp->w_redraw_top = lnum; + if (wp->w_redraw_bot == 0 || wp->w_redraw_bot < lnum) + wp->w_redraw_bot = lnum; + redraw_win_later(wp, VALID); +} diff --git a/src/globals.h b/src/globals.h index adf8b63f3..18f7611e2 100644 --- a/src/globals.h +++ b/src/globals.h @@ -62,6 +62,31 @@ EXTERN int Screen_mco INIT(= 0); // value of p_mco used when EXTERN schar_T *ScreenLines2 INIT(= NULL); /* + * Buffer for one screen line (characters and attributes). + */ +EXTERN schar_T *current_ScreenLine INIT(= NULL); + +/* + * Last known cursor position. + * Positioning the cursor is reduced by remembering the last position. + * Mostly used by windgoto() and screen_char(). + */ +EXTERN int screen_cur_row INIT(= 0); +EXTERN int screen_cur_col INIT(= 0); + +#ifdef FEAT_SEARCH_EXTRA +EXTERN match_T screen_search_hl; // used for 'hlsearch' highlight matching +#endif + +#ifdef FEAT_FOLDING +EXTERN foldinfo_T win_foldinfo; // info for 'foldcolumn' +#endif + +// Flag that is set when drawing for a callback, not from the main command +// loop. +EXTERN int redrawing_for_callback INIT(= 0); + +/* * Indexes for tab page line: * N > 0 for label of tab page N * N == 0 for no label diff --git a/src/proto.h b/src/proto.h index 842d89131..efedc0edc 100644 --- a/src/proto.h +++ b/src/proto.h @@ -73,6 +73,8 @@ extern int _stricoll(char *a, char *b); # include "dict.pro" # include "diff.pro" # include "digraph.pro" +# include "drawline.pro" +# include "drawscreen.pro" # include "edit.pro" # include "eval.pro" # include "evalbuffer.pro" diff --git a/src/proto/drawline.pro b/src/proto/drawline.pro new file mode 100644 index 000000000..99163acf8 --- /dev/null +++ b/src/proto/drawline.pro @@ -0,0 +1,3 @@ +/* drawline.c */ +int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int nochange, int number_only); +/* vim: set ft=c : */ diff --git a/src/proto/drawscreen.pro b/src/proto/drawscreen.pro new file mode 100644 index 000000000..8ac12d903 --- /dev/null +++ b/src/proto/drawscreen.pro @@ -0,0 +1,25 @@ +/* drawscreen.c */ +int update_screen(int type_arg); +void win_redr_status(win_T *wp, int ignore_pum); +void showruler(int always); +void win_redr_ruler(win_T *wp, int always, int ignore_pum); +void after_updating_screen(int may_resize_shell); +void update_curbuf(int type); +void update_debug_sign(buf_T *buf, linenr_T lnum); +void updateWindow(win_T *wp); +int redraw_asap(int type); +void redraw_after_callback(int call_update_screen); +void redraw_later(int type); +void redraw_win_later(win_T *wp, int type); +void redraw_later_clear(void); +void redraw_all_later(int type); +void redraw_curbuf_later(int type); +void redraw_buf_later(buf_T *buf, int type); +void redraw_buf_line_later(buf_T *buf, linenr_T lnum); +void redraw_buf_and_status_later(buf_T *buf, int type); +void status_redraw_all(void); +void status_redraw_curbuf(void); +void redraw_statuslines(void); +void win_redraw_last_status(frame_T *frp); +void redrawWinline(win_T *wp, linenr_T lnum); +/* vim: set ft=c : */ diff --git a/src/proto/screen.pro b/src/proto/screen.pro index cf95f79fa..919bd419b 100644 --- a/src/proto/screen.pro +++ b/src/proto/screen.pro @@ -1,40 +1,30 @@ /* screen.c */ -void redraw_later(int type); -void redraw_win_later(win_T *wp, int type); -void redraw_later_clear(void); -void redraw_all_later(int type); -void redraw_curbuf_later(int type); -void redraw_buf_later(buf_T *buf, int type); -void redraw_buf_line_later(buf_T *buf, linenr_T lnum); -void redraw_buf_and_status_later(buf_T *buf, int type); -int redraw_asap(int type); -void redraw_after_callback(int call_update_screen); -void redrawWinline(win_T *wp, linenr_T lnum); -void after_updating_screen(int may_resize_shell); -void update_curbuf(int type); -int update_screen(int type_arg); int conceal_cursor_line(win_T *wp); void conceal_check_cursor_line(void); -void update_debug_sign(buf_T *buf, linenr_T lnum); int get_wcr_attr(win_T *wp); -void updateWindow(win_T *wp); +void win_draw_end(win_T *wp, int c1, int c2, int draw_margin, int row, int endrow, hlf_T hl); +int compute_foldcolumn(win_T *wp, int col); +void fill_foldcolumn(char_u *p, win_T *wp, int closed, linenr_T lnum); int screen_get_current_line_off(void); +void reset_screen_attr(void); void screen_line(int row, int coloff, int endcol, int clear_width, int flags); void rl_mirror(char_u *str); -void status_redraw_all(void); -void status_redraw_curbuf(void); -void redraw_statuslines(void); -void win_redraw_last_status(frame_T *frp); +void draw_vsep_win(win_T *wp, int row); void win_redr_status_matches(expand_T *xp, int num_matches, char_u **matches, int match, int showtail); int stl_connected(win_T *wp); int get_keymap_str(win_T *wp, char_u *fmt, char_u *buf, int len); +void win_redr_custom(win_T *wp, int draw_ruler); void screen_putchar(int c, int row, int col, int attr); void screen_getbytes(int row, int col, char_u *bytes, int *attrp); void screen_puts(char_u *text, int row, int col, int attr); void screen_puts_len(char_u *text, int textlen, int row, int col, int attr); +void start_search_hl(void); +void end_search_hl(void); void screen_stop_highlight(void); void reset_cterm_colors(void); +void screen_char(unsigned off, int row, int col); void screen_draw_rectangle(int row, int col, int height, int width, int invert); +void space_to_screenline(int off, int attr); void screen_fill(int start_row, int end_row, int start_col, int end_col, int c1, int c2, int attr); void check_for_delay(int check_msg_scroll); int screen_valid(int doclear); @@ -56,9 +46,10 @@ void unshowmode(int force); void clearmode(void); void draw_tabline(void); void get_trans_bufname(buf_T *buf); +int fillchar_status(int *attr, win_T *wp); +int fillchar_vsep(int *attr); int redrawing(void); int messaging(void); -void showruler(int always); void comp_col(void); int number_width(win_T *wp); int screen_screencol(void); diff --git a/src/screen.c b/src/screen.c index 4d976fd68..0120d11eb 100644 --- a/src/screen.c +++ b/src/screen.c @@ -8,7 +8,7 @@ */ /* - * screen.c: code for displaying on the screen + * screen.c: Lower level code for displaying on the screen. * * Output to the screen (console, terminal emulator or GUI window) is minimized * by remembering what is already on the screen, and only updating the parts @@ -35,110 +35,15 @@ * * The screen_*() functions write to the screen and handle updating * ScreenLines[]. - * - * update_screen() is the function that updates all windows and status lines. - * It is called form the main loop when must_redraw is non-zero. It may be - * called from other places when an immediate screen update is needed. - * - * The part of the buffer that is displayed in a window is set with: - * - w_topline (first buffer line in window) - * - w_topfill (filler lines above the first line) - * - w_leftcol (leftmost window cell in window), - * - w_skipcol (skipped window cells of first line) - * - * Commands that only move the cursor around in a window, do not need to take - * action to update the display. The main loop will check if w_topline is - * valid and update it (scroll the window) when needed. - * - * Commands that scroll a window change w_topline and must call - * check_cursor() to move the cursor into the visible part of the window, and - * call redraw_later(VALID) to have the window displayed by update_screen() - * later. - * - * Commands that change text in the buffer must call changed_bytes() or - * changed_lines() to mark the area that changed and will require updating - * later. The main loop will call update_screen(), which will update each - * window that shows the changed buffer. This assumes text above the change - * can remain displayed as it is. Text after the change may need updating for - * scrolling, folding and syntax highlighting. - * - * Commands that change how a window is displayed (e.g., setting 'list') or - * invalidate the contents of a window in another way (e.g., change fold - * settings), must call redraw_later(NOT_VALID) to have the whole window - * redisplayed by update_screen() later. - * - * Commands that change how a buffer is displayed (e.g., setting 'tabstop') - * must call redraw_curbuf_later(NOT_VALID) to have all the windows for the - * buffer redisplayed by update_screen() later. - * - * Commands that change highlighting and possibly cause a scroll too must call - * redraw_later(SOME_VALID) to update the whole window but still use scrolling - * to avoid redrawing everything. But the length of displayed lines must not - * change, use NOT_VALID then. - * - * Commands that move the window position must call redraw_later(NOT_VALID). - * TODO: should minimize redrawing by scrolling when possible. - * - * Commands that change everything (e.g., resizing the screen) must call - * redraw_all_later(NOT_VALID) or redraw_all_later(CLEAR). - * - * Things that are handled indirectly: - * - When messages scroll the screen up, msg_scrolled will be set and - * update_screen() called to redraw. */ #include "vim.h" -#define MB_FILLER_CHAR '<' /* character used when a double-width character - * doesn't fit. */ - /* * The attributes that are actually active for writing to the screen. */ static int screen_attr = 0; -/* - * Positioning the cursor is reduced by remembering the last position. - * Mostly used by windgoto() and screen_char(). - */ -static int screen_cur_row, screen_cur_col; /* last known cursor position */ - -#ifdef FEAT_SEARCH_EXTRA -static match_T search_hl; // used for 'hlsearch' highlight matching -#endif - -#ifdef FEAT_FOLDING -static foldinfo_T win_foldinfo; /* info for 'foldcolumn' */ -static int compute_foldcolumn(win_T *wp, int col); -#endif - -/* Flag that is set when drawing for a callback, not from the main command - * loop. */ -static int redrawing_for_callback = 0; - -/* - * Buffer for one screen line (characters and attributes). - */ -static schar_T *current_ScreenLine; - -static void win_update(win_T *wp); -static void win_redr_status(win_T *wp, int ignore_pum); -static void win_draw_end(win_T *wp, int c1, int c2, int draw_margin, int row, int endrow, hlf_T hl); -#ifdef FEAT_FOLDING -static void fold_line(win_T *wp, long fold_count, foldinfo_T *foldinfo, linenr_T lnum, int row); -static void fill_foldcolumn(char_u *p, win_T *wp, int closed, linenr_T lnum); -static void copy_text_attr(int off, char_u *buf, int len, int attr); -#endif -static int win_line(win_T *, linenr_T, int, int, int nochange, int number_only); -static void draw_vsep_win(win_T *wp, int row); -#ifdef FEAT_STL_OPT -static void redraw_custom_statusline(win_T *wp); -#endif -#ifdef FEAT_SEARCH_EXTRA -static void start_search_hl(void); -static void end_search_hl(void); -#endif -static void screen_char(unsigned off, int row, int col); static void screen_char_2(unsigned off, int row, int col); static void screenclear2(void); static void lineclear(unsigned off, int width, int attr); @@ -147,762 +52,10 @@ static int win_do_lines(win_T *wp, int row, int line_count, int mayclear, int de static void win_rest_invalid(win_T *wp); static void msg_pos_mode(void); static void recording_mode(int attr); -static int fillchar_status(int *attr, win_T *wp); -static int fillchar_vsep(int *attr); -#ifdef FEAT_MENU -static void redraw_win_toolbar(win_T *wp); -#endif -#ifdef FEAT_STL_OPT -static void win_redr_custom(win_T *wp, int draw_ruler); -#endif -#ifdef FEAT_CMDL_INFO -static void win_redr_ruler(win_T *wp, int always, int ignore_pum); -#endif -#ifdef FEAT_SYN_HL -static void margin_columns_win(win_T *wp, int *left_col, int *right_col); -#endif /* Ugly global: overrule attribute used by screen_char() */ static int screen_char_attr = 0; -#ifdef FEAT_RIGHTLEFT -# define HAS_RIGHTLEFT(x) x -#else -# define HAS_RIGHTLEFT(x) FALSE -#endif - -// flags for screen_line() -#define SLF_RIGHTLEFT 1 -#define SLF_POPUP 2 - -/* - * Redraw the current window later, with update_screen(type). - * Set must_redraw only if not already set to a higher value. - * E.g. if must_redraw is CLEAR, type NOT_VALID will do nothing. - */ - void -redraw_later(int type) -{ - redraw_win_later(curwin, type); -} - - void -redraw_win_later( - win_T *wp, - int type) -{ - if (!exiting && wp->w_redr_type < type) - { - wp->w_redr_type = type; - if (type >= NOT_VALID) - wp->w_lines_valid = 0; - if (must_redraw < type) /* must_redraw is the maximum of all windows */ - must_redraw = type; - } -} - -/* - * Force a complete redraw later. Also resets the highlighting. To be used - * after executing a shell command that messes up the screen. - */ - void -redraw_later_clear(void) -{ - redraw_all_later(CLEAR); -#ifdef FEAT_GUI - if (gui.in_use) - /* Use a code that will reset gui.highlight_mask in - * gui_stop_highlight(). */ - screen_attr = HL_ALL + 1; - else -#endif - /* Use attributes that is very unlikely to appear in text. */ - screen_attr = HL_BOLD | HL_UNDERLINE | HL_INVERSE | HL_STRIKETHROUGH; -} - -/* - * Mark all windows to be redrawn later. - */ - void -redraw_all_later(int type) -{ - win_T *wp; - - FOR_ALL_WINDOWS(wp) - redraw_win_later(wp, type); - // This may be needed when switching tabs. - if (must_redraw < type) - must_redraw = type; -} - -/* - * Mark all windows that are editing the current buffer to be updated later. - */ - void -redraw_curbuf_later(int type) -{ - redraw_buf_later(curbuf, type); -} - - void -redraw_buf_later(buf_T *buf, int type) -{ - win_T *wp; - - FOR_ALL_WINDOWS(wp) - { - if (wp->w_buffer == buf) - redraw_win_later(wp, type); - } -} - -#if defined(FEAT_SIGNS) || defined(PROTO) - void -redraw_buf_line_later(buf_T *buf, linenr_T lnum) -{ - win_T *wp; - - FOR_ALL_WINDOWS(wp) - if (wp->w_buffer == buf && lnum >= wp->w_topline - && lnum < wp->w_botline) - redrawWinline(wp, lnum); -} -#endif - -#if defined(FEAT_JOB_CHANNEL) || defined(PROTO) - void -redraw_buf_and_status_later(buf_T *buf, int type) -{ - win_T *wp; - -#ifdef FEAT_WILDMENU - if (wild_menu_showing != 0) - /* Don't redraw while the command line completion is displayed, it - * would disappear. */ - return; -#endif - FOR_ALL_WINDOWS(wp) - { - if (wp->w_buffer == buf) - { - redraw_win_later(wp, type); - wp->w_redr_status = TRUE; - } - } -} -#endif - -#if defined(FEAT_TERMRESPONSE) || defined(PROTO) -/* - * Redraw as soon as possible. When the command line is not scrolled redraw - * right away and restore what was on the command line. - * Return a code indicating what happened. - */ - int -redraw_asap(int type) -{ - int rows; - int cols = screen_Columns; - int r; - int ret = 0; - schar_T *screenline; /* copy from ScreenLines[] */ - sattr_T *screenattr; /* copy from ScreenAttrs[] */ - int i; - u8char_T *screenlineUC = NULL; /* copy from ScreenLinesUC[] */ - u8char_T *screenlineC[MAX_MCO]; /* copy from ScreenLinesC[][] */ - schar_T *screenline2 = NULL; /* copy from ScreenLines2[] */ - - redraw_later(type); - if (msg_scrolled || (State != NORMAL && State != NORMAL_BUSY) || exiting) - return ret; - - /* Allocate space to save the text displayed in the command line area. */ - rows = screen_Rows - cmdline_row; - screenline = LALLOC_MULT(schar_T, rows * cols); - screenattr = LALLOC_MULT(sattr_T, rows * cols); - if (screenline == NULL || screenattr == NULL) - ret = 2; - if (enc_utf8) - { - screenlineUC = LALLOC_MULT(u8char_T, rows * cols); - if (screenlineUC == NULL) - ret = 2; - for (i = 0; i < p_mco; ++i) - { - screenlineC[i] = LALLOC_MULT(u8char_T, rows * cols); - if (screenlineC[i] == NULL) - ret = 2; - } - } - if (enc_dbcs == DBCS_JPNU) - { - screenline2 = LALLOC_MULT(schar_T, rows * cols); - if (screenline2 == NULL) - ret = 2; - } - - if (ret != 2) - { - /* Save the text displayed in the command line area. */ - for (r = 0; r < rows; ++r) - { - mch_memmove(screenline + r * cols, - ScreenLines + LineOffset[cmdline_row + r], - (size_t)cols * sizeof(schar_T)); - mch_memmove(screenattr + r * cols, - ScreenAttrs + LineOffset[cmdline_row + r], - (size_t)cols * sizeof(sattr_T)); - if (enc_utf8) - { - mch_memmove(screenlineUC + r * cols, - ScreenLinesUC + LineOffset[cmdline_row + r], - (size_t)cols * sizeof(u8char_T)); - for (i = 0; i < p_mco; ++i) - mch_memmove(screenlineC[i] + r * cols, - ScreenLinesC[i] + LineOffset[cmdline_row + r], - (size_t)cols * sizeof(u8char_T)); - } - if (enc_dbcs == DBCS_JPNU) - mch_memmove(screenline2 + r * cols, - ScreenLines2 + LineOffset[cmdline_row + r], - (size_t)cols * sizeof(schar_T)); - } - - update_screen(0); - ret = 3; - - if (must_redraw == 0) - { - int off = (int)(current_ScreenLine - ScreenLines); - - /* Restore the text displayed in the command line area. */ - for (r = 0; r < rows; ++r) - { - mch_memmove(current_ScreenLine, - screenline + r * cols, - (size_t)cols * sizeof(schar_T)); - mch_memmove(ScreenAttrs + off, - screenattr + r * cols, - (size_t)cols * sizeof(sattr_T)); - if (enc_utf8) - { - mch_memmove(ScreenLinesUC + off, - screenlineUC + r * cols, - (size_t)cols * sizeof(u8char_T)); - for (i = 0; i < p_mco; ++i) - mch_memmove(ScreenLinesC[i] + off, - screenlineC[i] + r * cols, - (size_t)cols * sizeof(u8char_T)); - } - if (enc_dbcs == DBCS_JPNU) - mch_memmove(ScreenLines2 + off, - screenline2 + r * cols, - (size_t)cols * sizeof(schar_T)); - screen_line(cmdline_row + r, 0, cols, cols, 0); - } - ret = 4; - } - } - - vim_free(screenline); - vim_free(screenattr); - if (enc_utf8) - { - vim_free(screenlineUC); - for (i = 0; i < p_mco; ++i) - vim_free(screenlineC[i]); - } - if (enc_dbcs == DBCS_JPNU) - vim_free(screenline2); - - /* Show the intro message when appropriate. */ - maybe_intro_message(); - - setcursor(); - - return ret; -} -#endif - -/* - * Invoked after an asynchronous callback is called. - * If an echo command was used the cursor needs to be put back where - * it belongs. If highlighting was changed a redraw is needed. - * If "call_update_screen" is FALSE don't call update_screen() when at the - * command line. - */ - void -redraw_after_callback(int call_update_screen) -{ - ++redrawing_for_callback; - - if (State == HITRETURN || State == ASKMORE) - ; // do nothing - else if (State & CMDLINE) - { - // Don't redraw when in prompt_for_number(). - if (cmdline_row > 0) - { - // Redrawing only works when the screen didn't scroll. Don't clear - // wildmenu entries. - if (msg_scrolled == 0 -#ifdef FEAT_WILDMENU - && wild_menu_showing == 0 -#endif - && call_update_screen) - update_screen(0); - - // Redraw in the same position, so that the user can continue - // editing the command. - redrawcmdline_ex(FALSE); - } - } - else if (State & (NORMAL | INSERT | TERMINAL)) - { - // keep the command line if possible - update_screen(VALID_NO_UPDATE); - setcursor(); - } - cursor_on(); -#ifdef FEAT_GUI - if (gui.in_use && !gui_mch_is_blink_off()) - // Don't update the cursor when it is blinking and off to avoid - // flicker. - out_flush_cursor(FALSE, FALSE); - else -#endif - out_flush(); - - --redrawing_for_callback; -} - -/* - * Changed something in the current window, at buffer line "lnum", that - * requires that line and possibly other lines to be redrawn. - * Used when entering/leaving Insert mode with the cursor on a folded line. - * Used to remove the "$" from a change command. - * Note that when also inserting/deleting lines w_redraw_top and w_redraw_bot - * may become invalid and the whole window will have to be redrawn. - */ - void -redrawWinline( - win_T *wp, - linenr_T lnum) -{ - if (wp->w_redraw_top == 0 || wp->w_redraw_top > lnum) - wp->w_redraw_top = lnum; - if (wp->w_redraw_bot == 0 || wp->w_redraw_bot < lnum) - wp->w_redraw_bot = lnum; - redraw_win_later(wp, VALID); -} - -/* - * To be called when "updating_screen" was set before and now the postponed - * side effects may take place. - */ - void -after_updating_screen(int may_resize_shell UNUSED) -{ - updating_screen = FALSE; -#ifdef FEAT_GUI - if (may_resize_shell) - gui_may_resize_shell(); -#endif -#ifdef FEAT_TERMINAL - term_check_channel_closed_recently(); -#endif - -#ifdef HAVE_DROP_FILE - // If handle_drop() was called while updating_screen was TRUE need to - // handle the drop now. - handle_any_postponed_drop(); -#endif -} - -/* - * Update all windows that are editing the current buffer. - */ - void -update_curbuf(int type) -{ - redraw_curbuf_later(type); - update_screen(type); -} - -/* - * Based on the current value of curwin->w_topline, transfer a screenfull - * of stuff from Filemem to ScreenLines[], and update curwin->w_botline. - * Return OK when the screen was updated, FAIL if it was not done. - */ - int -update_screen(int type_arg) -{ - int type = type_arg; - win_T *wp; - static int did_intro = FALSE; -#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) - int did_one; -#endif -#ifdef FEAT_GUI - int did_undraw = FALSE; - int gui_cursor_col = 0; - int gui_cursor_row = 0; -#endif - int no_update = FALSE; - - /* Don't do anything if the screen structures are (not yet) valid. */ - if (!screen_valid(TRUE)) - return FAIL; - - if (type == VALID_NO_UPDATE) - { - no_update = TRUE; - type = 0; - } - -#ifdef FEAT_EVAL - { - buf_T *buf; - - // Before updating the screen, notify any listeners of changed text. - FOR_ALL_BUFFERS(buf) - invoke_listeners(buf); - } -#endif - -#ifdef FEAT_DIFF - // May have postponed updating diffs. - if (need_diff_redraw) - diff_redraw(TRUE); -#endif - - if (must_redraw) - { - if (type < must_redraw) /* use maximal type */ - type = must_redraw; - - /* must_redraw is reset here, so that when we run into some weird - * reason to redraw while busy redrawing (e.g., asynchronous - * scrolling), or update_topline() in win_update() will cause a - * scroll, the screen will be redrawn later or in win_update(). */ - must_redraw = 0; - } - - /* May need to update w_lines[]. */ - if (curwin->w_lines_valid == 0 && type < NOT_VALID -#ifdef FEAT_TERMINAL - && !term_do_update_window(curwin) -#endif - ) - type = NOT_VALID; - - /* Postpone the redrawing when it's not needed and when being called - * recursively. */ - if (!redrawing() || updating_screen) - { - redraw_later(type); /* remember type for next time */ - must_redraw = type; - if (type > INVERTED_ALL) - curwin->w_lines_valid = 0; /* don't use w_lines[].wl_size now */ - return FAIL; - } - updating_screen = TRUE; - -#ifdef FEAT_TEXT_PROP - // Update popup_mask if needed. This may set w_redraw_top and w_redraw_bot - // in some windows. - may_update_popup_mask(type); -#endif - -#ifdef FEAT_SYN_HL - ++display_tick; /* let syntax code know we're in a next round of - * display updating */ -#endif - if (no_update) - ++no_win_do_lines_ins; - - /* - * if the screen was scrolled up when displaying a message, scroll it down - */ - if (msg_scrolled) - { - clear_cmdline = TRUE; - if (msg_scrolled > Rows - 5) /* clearing is faster */ - type = CLEAR; - else if (type != CLEAR) - { - check_for_delay(FALSE); - if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, 0, NULL) - == FAIL) - type = CLEAR; - FOR_ALL_WINDOWS(wp) - { - if (wp->w_winrow < msg_scrolled) - { - if (W_WINROW(wp) + wp->w_height > msg_scrolled - && wp->w_redr_type < REDRAW_TOP - && wp->w_lines_valid > 0 - && wp->w_topline == wp->w_lines[0].wl_lnum) - { - wp->w_upd_rows = msg_scrolled - W_WINROW(wp); - wp->w_redr_type = REDRAW_TOP; - } - else - { - wp->w_redr_type = NOT_VALID; - if (W_WINROW(wp) + wp->w_height + wp->w_status_height - <= msg_scrolled) - wp->w_redr_status = TRUE; - } - } - } - if (!no_update) - redraw_cmdline = TRUE; - redraw_tabline = TRUE; - } - msg_scrolled = 0; - need_wait_return = FALSE; - } - - /* reset cmdline_row now (may have been changed temporarily) */ - compute_cmdrow(); - - /* Check for changed highlighting */ - if (need_highlight_changed) - highlight_changed(); - - if (type == CLEAR) /* first clear screen */ - { - screenclear(); /* will reset clear_cmdline */ - type = NOT_VALID; - /* must_redraw may be set indirectly, avoid another redraw later */ - must_redraw = 0; - } - - if (clear_cmdline) /* going to clear cmdline (done below) */ - check_for_delay(FALSE); - -#ifdef FEAT_LINEBREAK - /* Force redraw when width of 'number' or 'relativenumber' column - * changes. */ - if (curwin->w_redr_type < NOT_VALID - && curwin->w_nrwidth != ((curwin->w_p_nu || curwin->w_p_rnu) - ? number_width(curwin) : 0)) - curwin->w_redr_type = NOT_VALID; -#endif - - /* - * Only start redrawing if there is really something to do. - */ - if (type == INVERTED) - update_curswant(); - if (curwin->w_redr_type < type - && !((type == VALID - && curwin->w_lines[0].wl_valid -#ifdef FEAT_DIFF - && curwin->w_topfill == curwin->w_old_topfill - && curwin->w_botfill == curwin->w_old_botfill -#endif - && curwin->w_topline == curwin->w_lines[0].wl_lnum) - || (type == INVERTED - && VIsual_active - && curwin->w_old_cursor_lnum == curwin->w_cursor.lnum - && curwin->w_old_visual_mode == VIsual_mode - && (curwin->w_valid & VALID_VIRTCOL) - && curwin->w_old_curswant == curwin->w_curswant) - )) - curwin->w_redr_type = type; - - /* Redraw the tab pages line if needed. */ - if (redraw_tabline || type >= NOT_VALID) - draw_tabline(); - -#ifdef FEAT_SYN_HL - /* - * Correct stored syntax highlighting info for changes in each displayed - * buffer. Each buffer must only be done once. - */ - FOR_ALL_WINDOWS(wp) - { - if (wp->w_buffer->b_mod_set) - { - win_T *wwp; - - /* Check if we already did this buffer. */ - for (wwp = firstwin; wwp != wp; wwp = wwp->w_next) - if (wwp->w_buffer == wp->w_buffer) - break; - if (wwp == wp && syntax_present(wp)) - syn_stack_apply_changes(wp->w_buffer); - } - } -#endif - - /* - * Go from top to bottom through the windows, redrawing the ones that need - * it. - */ -#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) - did_one = FALSE; -#endif -#ifdef FEAT_SEARCH_EXTRA - search_hl.rm.regprog = NULL; -#endif - FOR_ALL_WINDOWS(wp) - { - if (wp->w_redr_type != 0) - { - cursor_off(); -#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) - if (!did_one) - { - did_one = TRUE; -# ifdef FEAT_SEARCH_EXTRA - start_search_hl(); -# endif -# ifdef FEAT_CLIPBOARD - /* When Visual area changed, may have to update selection. */ - if (clip_star.available && clip_isautosel_star()) - clip_update_selection(&clip_star); - if (clip_plus.available && clip_isautosel_plus()) - clip_update_selection(&clip_plus); -# endif -#ifdef FEAT_GUI - /* Remove the cursor before starting to do anything, because - * scrolling may make it difficult to redraw the text under - * it. */ - if (gui.in_use && wp == curwin) - { - gui_cursor_col = gui.cursor_col; - gui_cursor_row = gui.cursor_row; - gui_undraw_cursor(); - did_undraw = TRUE; - } -#endif - } -#endif - win_update(wp); - } - - /* redraw status line after the window to minimize cursor movement */ - if (wp->w_redr_status) - { - cursor_off(); - win_redr_status(wp, TRUE); // any popup menu will be redrawn below - } - } -#if defined(FEAT_SEARCH_EXTRA) - end_search_hl(); -#endif - /* May need to redraw the popup menu. */ - pum_may_redraw(); - - /* Reset b_mod_set flags. Going through all windows is probably faster - * than going through all buffers (there could be many buffers). */ - FOR_ALL_WINDOWS(wp) - wp->w_buffer->b_mod_set = FALSE; - -#ifdef FEAT_TEXT_PROP - // Display popup windows on top of the windows and command line. - update_popups(win_update); -#endif - - after_updating_screen(TRUE); - - /* Clear or redraw the command line. Done last, because scrolling may - * mess up the command line. */ - if (clear_cmdline || redraw_cmdline || redraw_mode) - showmode(); - - if (no_update) - --no_win_do_lines_ins; - - /* May put up an introductory message when not editing a file */ - if (!did_intro) - maybe_intro_message(); - did_intro = TRUE; - -#ifdef FEAT_GUI - /* Redraw the cursor and update the scrollbars when all screen updating is - * done. */ - if (gui.in_use) - { - if (did_undraw && !gui_mch_is_blink_off()) - { - mch_disable_flush(); - out_flush(); /* required before updating the cursor */ - mch_enable_flush(); - - /* Put the GUI position where the cursor was, gui_update_cursor() - * uses that. */ - gui.col = gui_cursor_col; - gui.row = gui_cursor_row; - gui.col = mb_fix_col(gui.col, gui.row); - gui_update_cursor(FALSE, FALSE); - gui_may_flush(); - screen_cur_col = gui.col; - screen_cur_row = gui.row; - } - else - out_flush(); - gui_update_scrollbars(FALSE); - } -#endif - return OK; -} - -#if defined(FEAT_NETBEANS_INTG) || defined(FEAT_GUI) -/* - * Prepare for updating one or more windows. - * Caller must check for "updating_screen" already set to avoid recursiveness. - */ - static void -update_prepare(void) -{ - cursor_off(); - updating_screen = TRUE; -#ifdef FEAT_GUI - /* Remove the cursor before starting to do anything, because scrolling may - * make it difficult to redraw the text under it. */ - if (gui.in_use) - gui_undraw_cursor(); -#endif -#ifdef FEAT_SEARCH_EXTRA - start_search_hl(); -#endif -#ifdef FEAT_TEXT_PROP - // Update popup_mask if needed. - may_update_popup_mask(must_redraw); -#endif -} - -/* - * Finish updating one or more windows. - */ - static void -update_finish(void) -{ - if (redraw_cmdline || redraw_mode) - showmode(); - -# ifdef FEAT_SEARCH_EXTRA - end_search_hl(); -# endif - - after_updating_screen(TRUE); - -# ifdef FEAT_GUI - /* Redraw the cursor and update the scrollbars when all screen updating is - * done. */ - if (gui.in_use) - { - out_flush_cursor(FALSE, FALSE); - gui_update_scrollbars(FALSE); - } -# endif -} -#endif - #if defined(FEAT_CONCEAL) || defined(PROTO) /* * Return TRUE if the cursor line in window "wp" may be concealed, according @@ -944,52 +97,6 @@ conceal_check_cursor_line(void) } #endif -#if defined(FEAT_NETBEANS_INTG) || defined(PROTO) - void -update_debug_sign(buf_T *buf, linenr_T lnum) -{ - win_T *wp; - int doit = FALSE; - -# ifdef FEAT_FOLDING - win_foldinfo.fi_level = 0; -# endif - - // update/delete a specific sign - redraw_buf_line_later(buf, lnum); - - // check if it resulted in the need to redraw a window - FOR_ALL_WINDOWS(wp) - if (wp->w_redr_type != 0) - doit = TRUE; - - /* Return when there is nothing to do, screen updating is already - * happening (recursive call), messages on the screen or still starting up. - */ - if (!doit || updating_screen - || State == ASKMORE || State == HITRETURN - || msg_scrolled -#ifdef FEAT_GUI - || gui.starting -#endif - || starting) - return; - - /* update all windows that need updating */ - update_prepare(); - - FOR_ALL_WINDOWS(wp) - { - if (wp->w_redr_type != 0) - win_update(wp); - if (wp->w_redr_status) - win_redr_status(wp, FALSE); - } - - update_finish(); -} -#endif - /* * Get 'wincolor' attribute for window "wp". If not set and "wp" is a popup * window then get the "Pmenu" highlight attribute. @@ -1013,1353 +120,6 @@ get_wcr_attr(win_T *wp) return wcr_attr; } -#if defined(FEAT_GUI) || defined(PROTO) -/* - * Update a single window, its status line and maybe the command line msg. - * Used for the GUI scrollbar. - */ - void -updateWindow(win_T *wp) -{ - /* return if already busy updating */ - if (updating_screen) - return; - - update_prepare(); - -#ifdef FEAT_CLIPBOARD - /* When Visual area changed, may have to update selection. */ - if (clip_star.available && clip_isautosel_star()) - clip_update_selection(&clip_star); - if (clip_plus.available && clip_isautosel_plus()) - clip_update_selection(&clip_plus); -#endif - - win_update(wp); - - /* When the screen was cleared redraw the tab pages line. */ - if (redraw_tabline) - draw_tabline(); - - if (wp->w_redr_status -# ifdef FEAT_CMDL_INFO - || p_ru -# endif -# ifdef FEAT_STL_OPT - || *p_stl != NUL || *wp->w_p_stl != NUL -# endif - ) - win_redr_status(wp, FALSE); - -#ifdef FEAT_TEXT_PROP - // Display popup windows on top of everything. - update_popups(win_update); -#endif - - update_finish(); -} -#endif - -/* - * Update a single window. - * - * This may cause the windows below it also to be redrawn (when clearing the - * screen or scrolling lines). - * - * How the window is redrawn depends on wp->w_redr_type. Each type also - * implies the one below it. - * NOT_VALID redraw the whole window - * SOME_VALID redraw the whole window but do scroll when possible - * REDRAW_TOP redraw the top w_upd_rows window lines, otherwise like VALID - * INVERTED redraw the changed part of the Visual area - * INVERTED_ALL redraw the whole Visual area - * VALID 1. scroll up/down to adjust for a changed w_topline - * 2. update lines at the top when scrolled down - * 3. redraw changed text: - * - if wp->w_buffer->b_mod_set set, update lines between - * b_mod_top and b_mod_bot. - * - if wp->w_redraw_top non-zero, redraw lines between - * wp->w_redraw_top and wp->w_redr_bot. - * - continue redrawing when syntax status is invalid. - * 4. if scrolled up, update lines at the bottom. - * This results in three areas that may need updating: - * top: from first row to top_end (when scrolled down) - * mid: from mid_start to mid_end (update inversion or changed text) - * bot: from bot_start to last row (when scrolled up) - */ - static void -win_update(win_T *wp) -{ - buf_T *buf = wp->w_buffer; - int type; - int top_end = 0; /* Below last row of the top area that needs - updating. 0 when no top area updating. */ - int mid_start = 999;/* first row of the mid area that needs - updating. 999 when no mid area updating. */ - int mid_end = 0; /* Below last row of the mid area that needs - updating. 0 when no mid area updating. */ - int bot_start = 999;/* first row of the bot area that needs - updating. 999 when no bot area updating */ - int scrolled_down = FALSE; /* TRUE when scrolled down when - w_topline got smaller a bit */ -#ifdef FEAT_SEARCH_EXTRA - int top_to_mod = FALSE; // redraw above mod_top -#endif - - int row; /* current window row to display */ - linenr_T lnum; /* current buffer lnum to display */ - int idx; /* current index in w_lines[] */ - int srow; /* starting row of the current line */ - - int eof = FALSE; /* if TRUE, we hit the end of the file */ - int didline = FALSE; /* if TRUE, we finished the last line */ - int i; - long j; - static int recursive = FALSE; /* being called recursively */ - int old_botline = wp->w_botline; -#ifdef FEAT_FOLDING - long fold_count; -#endif -#ifdef FEAT_SYN_HL - /* remember what happened to the previous line, to know if - * check_visual_highlight() can be used */ -#define DID_NONE 1 /* didn't update a line */ -#define DID_LINE 2 /* updated a normal line */ -#define DID_FOLD 3 /* updated a folded line */ - int did_update = DID_NONE; - linenr_T syntax_last_parsed = 0; /* last parsed text line */ -#endif - linenr_T mod_top = 0; - linenr_T mod_bot = 0; -#if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) - int save_got_int; -#endif -#ifdef SYN_TIME_LIMIT - proftime_T syntax_tm; -#endif - - type = wp->w_redr_type; - - if (type == NOT_VALID) - { - wp->w_redr_status = TRUE; - wp->w_lines_valid = 0; - } - - /* Window is zero-height: nothing to draw. */ - if (wp->w_height + WINBAR_HEIGHT(wp) == 0) - { - wp->w_redr_type = 0; - return; - } - - /* Window is zero-width: Only need to draw the separator. */ - if (wp->w_width == 0) - { - /* draw the vertical separator right of this window */ - draw_vsep_win(wp, 0); - wp->w_redr_type = 0; - return; - } - -#ifdef FEAT_TERMINAL - // If this window contains a terminal, redraw works completely differently. - if (term_do_update_window(wp)) - { - term_update_window(wp); -# ifdef FEAT_MENU - /* Draw the window toolbar, if there is one. */ - if (winbar_height(wp) > 0) - redraw_win_toolbar(wp); -# endif - wp->w_redr_type = 0; - return; - } -#endif - -#ifdef FEAT_SEARCH_EXTRA - init_search_hl(wp, &search_hl); -#endif - -#ifdef FEAT_LINEBREAK - /* Force redraw when width of 'number' or 'relativenumber' column - * changes. */ - i = (wp->w_p_nu || wp->w_p_rnu) ? number_width(wp) : 0; - if (wp->w_nrwidth != i) - { - type = NOT_VALID; - wp->w_nrwidth = i; - } - else -#endif - - if (buf->b_mod_set && buf->b_mod_xlines != 0 && wp->w_redraw_top != 0) - { - /* - * When there are both inserted/deleted lines and specific lines to be - * redrawn, w_redraw_top and w_redraw_bot may be invalid, just redraw - * everything (only happens when redrawing is off for while). - */ - type = NOT_VALID; - } - else - { - /* - * Set mod_top to the first line that needs displaying because of - * changes. Set mod_bot to the first line after the changes. - */ - mod_top = wp->w_redraw_top; - if (wp->w_redraw_bot != 0) - mod_bot = wp->w_redraw_bot + 1; - else - mod_bot = 0; - if (buf->b_mod_set) - { - if (mod_top == 0 || mod_top > buf->b_mod_top) - { - mod_top = buf->b_mod_top; -#ifdef FEAT_SYN_HL - /* Need to redraw lines above the change that may be included - * in a pattern match. */ - if (syntax_present(wp)) - { - mod_top -= buf->b_s.b_syn_sync_linebreaks; - if (mod_top < 1) - mod_top = 1; - } -#endif - } - if (mod_bot == 0 || mod_bot < buf->b_mod_bot) - mod_bot = buf->b_mod_bot; - -#ifdef FEAT_SEARCH_EXTRA - // When 'hlsearch' is on and using a multi-line search pattern, a - // change in one line may make the Search highlighting in a - // previous line invalid. Simple solution: redraw all visible - // lines above the change. - // Same for a match pattern. - if (search_hl.rm.regprog != NULL - && re_multiline(search_hl.rm.regprog)) - top_to_mod = TRUE; - else - { - matchitem_T *cur = wp->w_match_head; - - while (cur != NULL) - { - if (cur->match.regprog != NULL - && re_multiline(cur->match.regprog)) - { - top_to_mod = TRUE; - break; - } - cur = cur->next; - } - } -#endif - } -#ifdef FEAT_FOLDING - if (mod_top != 0 && hasAnyFolding(wp)) - { - linenr_T lnumt, lnumb; - - /* - * A change in a line can cause lines above it to become folded or - * unfolded. Find the top most buffer line that may be affected. - * If the line was previously folded and displayed, get the first - * line of that fold. If the line is folded now, get the first - * folded line. Use the minimum of these two. - */ - - /* Find last valid w_lines[] entry above mod_top. Set lnumt to - * the line below it. If there is no valid entry, use w_topline. - * Find the first valid w_lines[] entry below mod_bot. Set lnumb - * to this line. If there is no valid entry, use MAXLNUM. */ - lnumt = wp->w_topline; - lnumb = MAXLNUM; - for (i = 0; i < wp->w_lines_valid; ++i) - if (wp->w_lines[i].wl_valid) - { - if (wp->w_lines[i].wl_lastlnum < mod_top) - lnumt = wp->w_lines[i].wl_lastlnum + 1; - if (lnumb == MAXLNUM && wp->w_lines[i].wl_lnum >= mod_bot) - { - lnumb = wp->w_lines[i].wl_lnum; - /* When there is a fold column it might need updating - * in the next line ("J" just above an open fold). */ - if (compute_foldcolumn(wp, 0) > 0) - ++lnumb; - } - } - - (void)hasFoldingWin(wp, mod_top, &mod_top, NULL, TRUE, NULL); - if (mod_top > lnumt) - mod_top = lnumt; - - /* Now do the same for the bottom line (one above mod_bot). */ - --mod_bot; - (void)hasFoldingWin(wp, mod_bot, NULL, &mod_bot, TRUE, NULL); - ++mod_bot; - if (mod_bot < lnumb) - mod_bot = lnumb; - } -#endif - - /* When a change starts above w_topline and the end is below - * w_topline, start redrawing at w_topline. - * If the end of the change is above w_topline: do like no change was - * made, but redraw the first line to find changes in syntax. */ - if (mod_top != 0 && mod_top < wp->w_topline) - { - if (mod_bot > wp->w_topline) - mod_top = wp->w_topline; -#ifdef FEAT_SYN_HL - else if (syntax_present(wp)) - top_end = 1; -#endif - } - - /* When line numbers are displayed need to redraw all lines below - * inserted/deleted lines. */ - if (mod_top != 0 && buf->b_mod_xlines != 0 && wp->w_p_nu) - mod_bot = MAXLNUM; - } - wp->w_redraw_top = 0; // reset for next time - wp->w_redraw_bot = 0; - - /* - * When only displaying the lines at the top, set top_end. Used when - * window has scrolled down for msg_scrolled. - */ - if (type == REDRAW_TOP) - { - j = 0; - for (i = 0; i < wp->w_lines_valid; ++i) - { - j += wp->w_lines[i].wl_size; - if (j >= wp->w_upd_rows) - { - top_end = j; - break; - } - } - if (top_end == 0) - /* not found (cannot happen?): redraw everything */ - type = NOT_VALID; - else - /* top area defined, the rest is VALID */ - type = VALID; - } - - /* Trick: we want to avoid clearing the screen twice. screenclear() will - * set "screen_cleared" to TRUE. The special value MAYBE (which is still - * non-zero and thus not FALSE) will indicate that screenclear() was not - * called. */ - if (screen_cleared) - screen_cleared = MAYBE; - - /* - * If there are no changes on the screen that require a complete redraw, - * handle three cases: - * 1: we are off the top of the screen by a few lines: scroll down - * 2: wp->w_topline is below wp->w_lines[0].wl_lnum: may scroll up - * 3: wp->w_topline is wp->w_lines[0].wl_lnum: find first entry in - * w_lines[] that needs updating. - */ - if ((type == VALID || type == SOME_VALID - || type == INVERTED || type == INVERTED_ALL) -#ifdef FEAT_DIFF - && !wp->w_botfill && !wp->w_old_botfill -#endif - ) - { - if (mod_top != 0 && wp->w_topline == mod_top) - { - /* - * w_topline is the first changed line, the scrolling will be done - * further down. - */ - } - else if (wp->w_lines[0].wl_valid - && (wp->w_topline < wp->w_lines[0].wl_lnum -#ifdef FEAT_DIFF - || (wp->w_topline == wp->w_lines[0].wl_lnum - && wp->w_topfill > wp->w_old_topfill) -#endif - )) - { - /* - * New topline is above old topline: May scroll down. - */ -#ifdef FEAT_FOLDING - if (hasAnyFolding(wp)) - { - linenr_T ln; - - /* count the number of lines we are off, counting a sequence - * of folded lines as one */ - j = 0; - for (ln = wp->w_topline; ln < wp->w_lines[0].wl_lnum; ++ln) - { - ++j; - if (j >= wp->w_height - 2) - break; - (void)hasFoldingWin(wp, ln, NULL, &ln, TRUE, NULL); - } - } - else -#endif - j = wp->w_lines[0].wl_lnum - wp->w_topline; - if (j < wp->w_height - 2) /* not too far off */ - { - i = plines_m_win(wp, wp->w_topline, wp->w_lines[0].wl_lnum - 1); -#ifdef FEAT_DIFF - /* insert extra lines for previously invisible filler lines */ - if (wp->w_lines[0].wl_lnum != wp->w_topline) - i += diff_check_fill(wp, wp->w_lines[0].wl_lnum) - - wp->w_old_topfill; -#endif - if (i < wp->w_height - 2) /* less than a screen off */ - { - /* - * Try to insert the correct number of lines. - * If not the last window, delete the lines at the bottom. - * win_ins_lines may fail when the terminal can't do it. - */ - if (i > 0) - check_for_delay(FALSE); - if (win_ins_lines(wp, 0, i, FALSE, wp == firstwin) == OK) - { - if (wp->w_lines_valid != 0) - { - /* Need to update rows that are new, stop at the - * first one that scrolled down. */ - top_end = i; - scrolled_down = TRUE; - - /* Move the entries that were scrolled, disable - * the entries for the lines to be redrawn. */ - if ((wp->w_lines_valid += j) > wp->w_height) - wp->w_lines_valid = wp->w_height; - for (idx = wp->w_lines_valid; idx - j >= 0; idx--) - wp->w_lines[idx] = wp->w_lines[idx - j]; - while (idx >= 0) - wp->w_lines[idx--].wl_valid = FALSE; - } - } - else - mid_start = 0; /* redraw all lines */ - } - else - mid_start = 0; /* redraw all lines */ - } - else - mid_start = 0; /* redraw all lines */ - } - else - { - /* - * New topline is at or below old topline: May scroll up. - * When topline didn't change, find first entry in w_lines[] that - * needs updating. - */ - - /* try to find wp->w_topline in wp->w_lines[].wl_lnum */ - j = -1; - row = 0; - for (i = 0; i < wp->w_lines_valid; i++) - { - if (wp->w_lines[i].wl_valid - && wp->w_lines[i].wl_lnum == wp->w_topline) - { - j = i; - break; - } - row += wp->w_lines[i].wl_size; - } - if (j == -1) - { - /* if wp->w_topline is not in wp->w_lines[].wl_lnum redraw all - * lines */ - mid_start = 0; - } - else - { - /* - * Try to delete the correct number of lines. - * wp->w_topline is at wp->w_lines[i].wl_lnum. - */ -#ifdef FEAT_DIFF - /* If the topline didn't change, delete old filler lines, - * otherwise delete filler lines of the new topline... */ - if (wp->w_lines[0].wl_lnum == wp->w_topline) - row += wp->w_old_topfill; - else - row += diff_check_fill(wp, wp->w_topline); - /* ... but don't delete new filler lines. */ - row -= wp->w_topfill; -#endif - if (row > 0) - { - check_for_delay(FALSE); - if (win_del_lines(wp, 0, row, FALSE, wp == firstwin, 0) - == OK) - bot_start = wp->w_height - row; - else - mid_start = 0; /* redraw all lines */ - } - if ((row == 0 || bot_start < 999) && wp->w_lines_valid != 0) - { - /* - * Skip the lines (below the deleted lines) that are still - * valid and don't need redrawing. Copy their info - * upwards, to compensate for the deleted lines. Set - * bot_start to the first row that needs redrawing. - */ - bot_start = 0; - idx = 0; - for (;;) - { - wp->w_lines[idx] = wp->w_lines[j]; - /* stop at line that didn't fit, unless it is still - * valid (no lines deleted) */ - if (row > 0 && bot_start + row - + (int)wp->w_lines[j].wl_size > wp->w_height) - { - wp->w_lines_valid = idx + 1; - break; - } - bot_start += wp->w_lines[idx++].wl_size; - - /* stop at the last valid entry in w_lines[].wl_size */ - if (++j >= wp->w_lines_valid) - { - wp->w_lines_valid = idx; - break; - } - } -#ifdef FEAT_DIFF - /* Correct the first entry for filler lines at the top - * when it won't get updated below. */ - if (wp->w_p_diff && bot_start > 0) - wp->w_lines[0].wl_size = - plines_win_nofill(wp, wp->w_topline, TRUE) - + wp->w_topfill; -#endif - } - } - } - - /* When starting redraw in the first line, redraw all lines. When - * there is only one window it's probably faster to clear the screen - * first. */ - if (mid_start == 0) - { - mid_end = wp->w_height; - if (ONE_WINDOW && !WIN_IS_POPUP(wp)) - { - /* Clear the screen when it was not done by win_del_lines() or - * win_ins_lines() above, "screen_cleared" is FALSE or MAYBE - * then. */ - if (screen_cleared != TRUE) - screenclear(); - /* The screen was cleared, redraw the tab pages line. */ - if (redraw_tabline) - draw_tabline(); - } - } - - /* When win_del_lines() or win_ins_lines() caused the screen to be - * cleared (only happens for the first window) or when screenclear() - * was called directly above, "must_redraw" will have been set to - * NOT_VALID, need to reset it here to avoid redrawing twice. */ - if (screen_cleared == TRUE) - must_redraw = 0; - } - else - { - /* Not VALID or INVERTED: redraw all lines. */ - mid_start = 0; - mid_end = wp->w_height; - } - - if (type == SOME_VALID) - { - /* SOME_VALID: redraw all lines. */ - mid_start = 0; - mid_end = wp->w_height; - type = NOT_VALID; - } - - /* check if we are updating or removing the inverted part */ - if ((VIsual_active && buf == curwin->w_buffer) - || (wp->w_old_cursor_lnum != 0 && type != NOT_VALID)) - { - linenr_T from, to; - - if (VIsual_active) - { - if (VIsual_active - && (VIsual_mode != wp->w_old_visual_mode - || type == INVERTED_ALL)) - { - /* - * If the type of Visual selection changed, redraw the whole - * selection. Also when the ownership of the X selection is - * gained or lost. - */ - if (curwin->w_cursor.lnum < VIsual.lnum) - { - from = curwin->w_cursor.lnum; - to = VIsual.lnum; - } - else - { - from = VIsual.lnum; - to = curwin->w_cursor.lnum; - } - /* redraw more when the cursor moved as well */ - if (wp->w_old_cursor_lnum < from) - from = wp->w_old_cursor_lnum; - if (wp->w_old_cursor_lnum > to) - to = wp->w_old_cursor_lnum; - if (wp->w_old_visual_lnum < from) - from = wp->w_old_visual_lnum; - if (wp->w_old_visual_lnum > to) - to = wp->w_old_visual_lnum; - } - else - { - /* - * Find the line numbers that need to be updated: The lines - * between the old cursor position and the current cursor - * position. Also check if the Visual position changed. - */ - if (curwin->w_cursor.lnum < wp->w_old_cursor_lnum) - { - from = curwin->w_cursor.lnum; - to = wp->w_old_cursor_lnum; - } - else - { - from = wp->w_old_cursor_lnum; - to = curwin->w_cursor.lnum; - if (from == 0) /* Visual mode just started */ - from = to; - } - - if (VIsual.lnum != wp->w_old_visual_lnum - || VIsual.col != wp->w_old_visual_col) - { - if (wp->w_old_visual_lnum < from - && wp->w_old_visual_lnum != 0) - from = wp->w_old_visual_lnum; - if (wp->w_old_visual_lnum > to) - to = wp->w_old_visual_lnum; - if (VIsual.lnum < from) - from = VIsual.lnum; - if (VIsual.lnum > to) - to = VIsual.lnum; - } - } - - /* - * If in block mode and changed column or curwin->w_curswant: - * update all lines. - * First compute the actual start and end column. - */ - if (VIsual_mode == Ctrl_V) - { - colnr_T fromc, toc; -#if defined(FEAT_LINEBREAK) - int save_ve_flags = ve_flags; - - if (curwin->w_p_lbr) - ve_flags = VE_ALL; -#endif - getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc); -#if defined(FEAT_LINEBREAK) - ve_flags = save_ve_flags; -#endif - ++toc; - if (curwin->w_curswant == MAXCOL) - toc = MAXCOL; - - if (fromc != wp->w_old_cursor_fcol - || toc != wp->w_old_cursor_lcol) - { - if (from > VIsual.lnum) - from = VIsual.lnum; - if (to < VIsual.lnum) - to = VIsual.lnum; - } - wp->w_old_cursor_fcol = fromc; - wp->w_old_cursor_lcol = toc; - } - } - else - { - /* Use the line numbers of the old Visual area. */ - if (wp->w_old_cursor_lnum < wp->w_old_visual_lnum) - { - from = wp->w_old_cursor_lnum; - to = wp->w_old_visual_lnum; - } - else - { - from = wp->w_old_visual_lnum; - to = wp->w_old_cursor_lnum; - } - } - - /* - * There is no need to update lines above the top of the window. - */ - if (from < wp->w_topline) - from = wp->w_topline; - - /* - * If we know the value of w_botline, use it to restrict the update to - * the lines that are visible in the window. - */ - if (wp->w_valid & VALID_BOTLINE) - { - if (from >= wp->w_botline) - from = wp->w_botline - 1; - if (to >= wp->w_botline) - to = wp->w_botline - 1; - } - - /* - * Find the minimal part to be updated. - * Watch out for scrolling that made entries in w_lines[] invalid. - * E.g., CTRL-U makes the first half of w_lines[] invalid and sets - * top_end; need to redraw from top_end to the "to" line. - * A middle mouse click with a Visual selection may change the text - * above the Visual area and reset wl_valid, do count these for - * mid_end (in srow). - */ - if (mid_start > 0) - { - lnum = wp->w_topline; - idx = 0; - srow = 0; - if (scrolled_down) - mid_start = top_end; - else - mid_start = 0; - while (lnum < from && idx < wp->w_lines_valid) /* find start */ - { - if (wp->w_lines[idx].wl_valid) - mid_start += wp->w_lines[idx].wl_size; - else if (!scrolled_down) - srow += wp->w_lines[idx].wl_size; - ++idx; -# ifdef FEAT_FOLDING - if (idx < wp->w_lines_valid && wp->w_lines[idx].wl_valid) - lnum = wp->w_lines[idx].wl_lnum; - else -# endif - ++lnum; - } - srow += mid_start; - mid_end = wp->w_height; - for ( ; idx < wp->w_lines_valid; ++idx) /* find end */ - { - if (wp->w_lines[idx].wl_valid - && wp->w_lines[idx].wl_lnum >= to + 1) - { - /* Only update until first row of this line */ - mid_end = srow; - break; - } - srow += wp->w_lines[idx].wl_size; - } - } - } - - if (VIsual_active && buf == curwin->w_buffer) - { - wp->w_old_visual_mode = VIsual_mode; - wp->w_old_cursor_lnum = curwin->w_cursor.lnum; - wp->w_old_visual_lnum = VIsual.lnum; - wp->w_old_visual_col = VIsual.col; - wp->w_old_curswant = curwin->w_curswant; - } - else - { - wp->w_old_visual_mode = 0; - wp->w_old_cursor_lnum = 0; - wp->w_old_visual_lnum = 0; - wp->w_old_visual_col = 0; - } - -#if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) - /* reset got_int, otherwise regexp won't work */ - save_got_int = got_int; - got_int = 0; -#endif -#ifdef SYN_TIME_LIMIT - /* Set the time limit to 'redrawtime'. */ - profile_setlimit(p_rdt, &syntax_tm); - syn_set_timeout(&syntax_tm); -#endif -#ifdef FEAT_FOLDING - win_foldinfo.fi_level = 0; -#endif - -#ifdef FEAT_MENU - /* - * Draw the window toolbar, if there is one. - * TODO: only when needed. - */ - if (winbar_height(wp) > 0) - redraw_win_toolbar(wp); -#endif - - /* - * Update all the window rows. - */ - idx = 0; /* first entry in w_lines[].wl_size */ - row = 0; - srow = 0; - lnum = wp->w_topline; /* first line shown in window */ - for (;;) - { - /* stop updating when reached the end of the window (check for _past_ - * the end of the window is at the end of the loop) */ - if (row == wp->w_height) - { - didline = TRUE; - break; - } - - /* stop updating when hit the end of the file */ - if (lnum > buf->b_ml.ml_line_count) - { - eof = TRUE; - break; - } - - /* Remember the starting row of the line that is going to be dealt - * with. It is used further down when the line doesn't fit. */ - srow = row; - - /* - * Update a line when it is in an area that needs updating, when it - * has changes or w_lines[idx] is invalid. - * "bot_start" may be halfway a wrapped line after using - * win_del_lines(), check if the current line includes it. - * When syntax folding is being used, the saved syntax states will - * already have been updated, we can't see where the syntax state is - * the same again, just update until the end of the window. - */ - if (row < top_end - || (row >= mid_start && row < mid_end) -#ifdef FEAT_SEARCH_EXTRA - || top_to_mod -#endif - || idx >= wp->w_lines_valid - || (row + wp->w_lines[idx].wl_size > bot_start) - || (mod_top != 0 - && (lnum == mod_top - || (lnum >= mod_top - && (lnum < mod_bot -#ifdef FEAT_SYN_HL - || did_update == DID_FOLD - || (did_update == DID_LINE - && syntax_present(wp) - && ( -# ifdef FEAT_FOLDING - (foldmethodIsSyntax(wp) - && hasAnyFolding(wp)) || -# endif - syntax_check_changed(lnum))) -#endif -#ifdef FEAT_SEARCH_EXTRA - /* match in fixed position might need redraw - * if lines were inserted or deleted */ - || (wp->w_match_head != NULL - && buf->b_mod_xlines != 0) -#endif - ))))) - { -#ifdef FEAT_SEARCH_EXTRA - if (lnum == mod_top) - top_to_mod = FALSE; -#endif - - /* - * When at start of changed lines: May scroll following lines - * up or down to minimize redrawing. - * Don't do this when the change continues until the end. - * Don't scroll when dollar_vcol >= 0, keep the "$". - */ - if (lnum == mod_top - && mod_bot != MAXLNUM - && !(dollar_vcol >= 0 && mod_bot == mod_top + 1)) - { - int old_rows = 0; - int new_rows = 0; - int xtra_rows; - linenr_T l; - - /* Count the old number of window rows, using w_lines[], which - * should still contain the sizes for the lines as they are - * currently displayed. */ - for (i = idx; i < wp->w_lines_valid; ++i) - { - /* Only valid lines have a meaningful wl_lnum. Invalid - * lines are part of the changed area. */ - if (wp->w_lines[i].wl_valid - && wp->w_lines[i].wl_lnum == mod_bot) - break; - old_rows += wp->w_lines[i].wl_size; -#ifdef FEAT_FOLDING - if (wp->w_lines[i].wl_valid - && wp->w_lines[i].wl_lastlnum + 1 == mod_bot) - { - /* Must have found the last valid entry above mod_bot. - * Add following invalid entries. */ - ++i; - while (i < wp->w_lines_valid - && !wp->w_lines[i].wl_valid) - old_rows += wp->w_lines[i++].wl_size; - break; - } -#endif - } - - if (i >= wp->w_lines_valid) - { - /* We can't find a valid line below the changed lines, - * need to redraw until the end of the window. - * Inserting/deleting lines has no use. */ - bot_start = 0; - } - else - { - /* Able to count old number of rows: Count new window - * rows, and may insert/delete lines */ - j = idx; - for (l = lnum; l < mod_bot; ++l) - { -#ifdef FEAT_FOLDING - if (hasFoldingWin(wp, l, NULL, &l, TRUE, NULL)) - ++new_rows; - else -#endif -#ifdef FEAT_DIFF - if (l == wp->w_topline) - new_rows += plines_win_nofill(wp, l, TRUE) - + wp->w_topfill; - else -#endif - new_rows += plines_win(wp, l, TRUE); - ++j; - if (new_rows > wp->w_height - row - 2) - { - /* it's getting too much, must redraw the rest */ - new_rows = 9999; - break; - } - } - xtra_rows = new_rows - old_rows; - if (xtra_rows < 0) - { - /* May scroll text up. If there is not enough - * remaining text or scrolling fails, must redraw the - * rest. If scrolling works, must redraw the text - * below the scrolled text. */ - if (row - xtra_rows >= wp->w_height - 2) - mod_bot = MAXLNUM; - else - { - check_for_delay(FALSE); - if (win_del_lines(wp, row, - -xtra_rows, FALSE, FALSE, 0) == FAIL) - mod_bot = MAXLNUM; - else - bot_start = wp->w_height + xtra_rows; - } - } - else if (xtra_rows > 0) - { - /* May scroll text down. If there is not enough - * remaining text of scrolling fails, must redraw the - * rest. */ - if (row + xtra_rows >= wp->w_height - 2) - mod_bot = MAXLNUM; - else - { - check_for_delay(FALSE); - if (win_ins_lines(wp, row + old_rows, - xtra_rows, FALSE, FALSE) == FAIL) - mod_bot = MAXLNUM; - else if (top_end > row + old_rows) - /* Scrolled the part at the top that requires - * updating down. */ - top_end += xtra_rows; - } - } - - /* When not updating the rest, may need to move w_lines[] - * entries. */ - if (mod_bot != MAXLNUM && i != j) - { - if (j < i) - { - int x = row + new_rows; - - /* move entries in w_lines[] upwards */ - for (;;) - { - /* stop at last valid entry in w_lines[] */ - if (i >= wp->w_lines_valid) - { - wp->w_lines_valid = j; - break; - } - wp->w_lines[j] = wp->w_lines[i]; - /* stop at a line that won't fit */ - if (x + (int)wp->w_lines[j].wl_size - > wp->w_height) - { - wp->w_lines_valid = j + 1; - break; - } - x += wp->w_lines[j++].wl_size; - ++i; - } - if (bot_start > x) - bot_start = x; - } - else /* j > i */ - { - /* move entries in w_lines[] downwards */ - j -= i; - wp->w_lines_valid += j; - if (wp->w_lines_valid > wp->w_height) - wp->w_lines_valid = wp->w_height; - for (i = wp->w_lines_valid; i - j >= idx; --i) - wp->w_lines[i] = wp->w_lines[i - j]; - - /* The w_lines[] entries for inserted lines are - * now invalid, but wl_size may be used above. - * Reset to zero. */ - while (i >= idx) - { - wp->w_lines[i].wl_size = 0; - wp->w_lines[i--].wl_valid = FALSE; - } - } - } - } - } - -#ifdef FEAT_FOLDING - /* - * When lines are folded, display one line for all of them. - * Otherwise, display normally (can be several display lines when - * 'wrap' is on). - */ - fold_count = foldedCount(wp, lnum, &win_foldinfo); - if (fold_count != 0) - { - fold_line(wp, fold_count, &win_foldinfo, lnum, row); - ++row; - --fold_count; - wp->w_lines[idx].wl_folded = TRUE; - wp->w_lines[idx].wl_lastlnum = lnum + fold_count; -# ifdef FEAT_SYN_HL - did_update = DID_FOLD; -# endif - } - else -#endif - if (idx < wp->w_lines_valid - && wp->w_lines[idx].wl_valid - && wp->w_lines[idx].wl_lnum == lnum - && lnum > wp->w_topline - && !(dy_flags & (DY_LASTLINE | DY_TRUNCATE)) - && !WIN_IS_POPUP(wp) - && srow + wp->w_lines[idx].wl_size > wp->w_height -#ifdef FEAT_DIFF - && diff_check_fill(wp, lnum) == 0 -#endif - ) - { - /* This line is not going to fit. Don't draw anything here, - * will draw "@ " lines below. */ - row = wp->w_height + 1; - } - else - { -#ifdef FEAT_SEARCH_EXTRA - prepare_search_hl(wp, &search_hl, lnum); -#endif -#ifdef FEAT_SYN_HL - /* Let the syntax stuff know we skipped a few lines. */ - if (syntax_last_parsed != 0 && syntax_last_parsed + 1 < lnum - && syntax_present(wp)) - syntax_end_parsing(syntax_last_parsed + 1); -#endif - - /* - * Display one line. - */ - row = win_line(wp, lnum, srow, wp->w_height, - mod_top == 0, FALSE); - -#ifdef FEAT_FOLDING - wp->w_lines[idx].wl_folded = FALSE; - wp->w_lines[idx].wl_lastlnum = lnum; -#endif -#ifdef FEAT_SYN_HL - did_update = DID_LINE; - syntax_last_parsed = lnum; -#endif - } - - wp->w_lines[idx].wl_lnum = lnum; - wp->w_lines[idx].wl_valid = TRUE; - - /* Past end of the window or end of the screen. Note that after - * resizing wp->w_height may be end up too big. That's a problem - * elsewhere, but prevent a crash here. */ - if (row > wp->w_height || row + wp->w_winrow >= Rows) - { - /* we may need the size of that too long line later on */ - if (dollar_vcol == -1) - wp->w_lines[idx].wl_size = plines_win(wp, lnum, TRUE); - ++idx; - break; - } - if (dollar_vcol == -1) - wp->w_lines[idx].wl_size = row - srow; - ++idx; -#ifdef FEAT_FOLDING - lnum += fold_count + 1; -#else - ++lnum; -#endif - } - else - { - if (wp->w_p_rnu) - { -#ifdef FEAT_FOLDING - // 'relativenumber' set: The text doesn't need to be drawn, but - // the number column nearly always does. - fold_count = foldedCount(wp, lnum, &win_foldinfo); - if (fold_count != 0) - fold_line(wp, fold_count, &win_foldinfo, lnum, row); - else -#endif - (void)win_line(wp, lnum, srow, wp->w_height, TRUE, TRUE); - } - - // This line does not need to be drawn, advance to the next one. - row += wp->w_lines[idx++].wl_size; - if (row > wp->w_height) /* past end of screen */ - break; -#ifdef FEAT_FOLDING - lnum = wp->w_lines[idx - 1].wl_lastlnum + 1; -#else - ++lnum; -#endif -#ifdef FEAT_SYN_HL - did_update = DID_NONE; -#endif - } - - if (lnum > buf->b_ml.ml_line_count) - { - eof = TRUE; - break; - } - } - /* - * End of loop over all window lines. - */ - -#ifdef FEAT_VTP - /* Rewrite the character at the end of the screen line. */ - if (use_vtp()) - { - int i; - - for (i = 0; i < Rows; ++i) - if (enc_utf8) - if ((*mb_off2cells)(LineOffset[i] + Columns - 2, - LineOffset[i] + screen_Columns) > 1) - screen_draw_rectangle(i, Columns - 2, 1, 2, FALSE); - else - screen_draw_rectangle(i, Columns - 1, 1, 1, FALSE); - else - screen_char(LineOffset[i] + Columns - 1, i, Columns - 1); - } -#endif - - if (idx > wp->w_lines_valid) - wp->w_lines_valid = idx; - -#ifdef FEAT_SYN_HL - /* - * Let the syntax stuff know we stop parsing here. - */ - if (syntax_last_parsed != 0 && syntax_present(wp)) - syntax_end_parsing(syntax_last_parsed + 1); -#endif - - /* - * If we didn't hit the end of the file, and we didn't finish the last - * line we were working on, then the line didn't fit. - */ - wp->w_empty_rows = 0; -#ifdef FEAT_DIFF - wp->w_filler_rows = 0; -#endif - if (!eof && !didline) - { - if (lnum == wp->w_topline) - { - /* - * Single line that does not fit! - * Don't overwrite it, it can be edited. - */ - wp->w_botline = lnum + 1; - } -#ifdef FEAT_DIFF - else if (diff_check_fill(wp, lnum) >= wp->w_height - srow) - { - /* Window ends in filler lines. */ - wp->w_botline = lnum; - wp->w_filler_rows = wp->w_height - srow; - } -#endif -#ifdef FEAT_TEXT_PROP - else if (WIN_IS_POPUP(wp)) - { - // popup line that doesn't fit is left as-is - wp->w_botline = lnum; - } -#endif - else if (dy_flags & DY_TRUNCATE) /* 'display' has "truncate" */ - { - int scr_row = W_WINROW(wp) + wp->w_height - 1; - - /* - * Last line isn't finished: Display "@@@" in the last screen line. - */ - screen_puts_len((char_u *)"@@", 2, scr_row, wp->w_wincol, - HL_ATTR(HLF_AT)); - screen_fill(scr_row, scr_row + 1, - (int)wp->w_wincol + 2, (int)W_ENDCOL(wp), - '@', ' ', HL_ATTR(HLF_AT)); - set_empty_rows(wp, srow); - wp->w_botline = lnum; - } - else if (dy_flags & DY_LASTLINE) /* 'display' has "lastline" */ - { - /* - * Last line isn't finished: Display "@@@" at the end. - */ - screen_fill(W_WINROW(wp) + wp->w_height - 1, - W_WINROW(wp) + wp->w_height, - (int)W_ENDCOL(wp) - 3, (int)W_ENDCOL(wp), - '@', '@', HL_ATTR(HLF_AT)); - set_empty_rows(wp, srow); - wp->w_botline = lnum; - } - else - { - win_draw_end(wp, '@', ' ', TRUE, srow, wp->w_height, HLF_AT); - wp->w_botline = lnum; - } - } - else - { - draw_vsep_win(wp, row); - if (eof) /* we hit the end of the file */ - { - wp->w_botline = buf->b_ml.ml_line_count + 1; -#ifdef FEAT_DIFF - j = diff_check_fill(wp, wp->w_botline); - if (j > 0 && !wp->w_botfill) - { - // Display filler lines at the end of the file. - if (char2cells(fill_diff) > 1) - i = '-'; - else - i = fill_diff; - if (row + j > wp->w_height) - j = wp->w_height - row; - win_draw_end(wp, i, i, TRUE, row, row + (int)j, HLF_DED); - row += j; - } -#endif - } - else if (dollar_vcol == -1) - wp->w_botline = lnum; - - // Make sure the rest of the screen is blank - // put '~'s on rows that aren't part of the file. - win_draw_end(wp, WIN_IS_POPUP(wp) ? ' ' : '~', - ' ', FALSE, row, wp->w_height, HLF_EOB); - } - -#ifdef SYN_TIME_LIMIT - syn_set_timeout(NULL); -#endif - - /* Reset the type of redrawing required, the window has been updated. */ - wp->w_redr_type = 0; -#ifdef FEAT_DIFF - wp->w_old_topfill = wp->w_topfill; - wp->w_old_botfill = wp->w_botfill; -#endif - - if (dollar_vcol == -1) - { - /* - * There is a trick with w_botline. If we invalidate it on each - * change that might modify it, this will cause a lot of expensive - * calls to plines() in update_topline() each time. Therefore the - * value of w_botline is often approximated, and this value is used to - * compute the value of w_topline. If the value of w_botline was - * wrong, check that the value of w_topline is correct (cursor is on - * the visible part of the text). If it's not, we need to redraw - * again. Mostly this just means scrolling up a few lines, so it - * doesn't look too bad. Only do this for the current window (where - * changes are relevant). - */ - wp->w_valid |= VALID_BOTLINE; - if (wp == curwin && wp->w_botline != old_botline && !recursive) - { - recursive = TRUE; - curwin->w_valid &= ~VALID_TOPLINE; - update_topline(); /* may invalidate w_botline again */ - if (must_redraw != 0) - { - /* Don't update for changes in buffer again. */ - i = curbuf->b_mod_set; - curbuf->b_mod_set = FALSE; - win_update(curwin); - must_redraw = 0; - curbuf->b_mod_set = i; - } - recursive = FALSE; - } - } - -#if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) - /* restore got_int, unless CTRL-C was hit while redrawing */ - if (!got_int) - got_int = save_got_int; -#endif -} - /* * Call screen_fill() with the columns adjusted for 'rightleft' if needed. * Return the new offset. @@ -2399,7 +159,7 @@ screen_fill_end( * use "c2" as the filler character. * When "draw_margin" is TRUE then draw the sign, fold and number columns. */ - static void + void win_draw_end( win_T *wp, int c1, @@ -2459,155 +219,12 @@ win_draw_end( set_empty_rows(wp, row); } -#ifdef FEAT_SYN_HL -/* - * Advance **color_cols and return TRUE when there are columns to draw. - */ - static int -advance_color_col(int vcol, int **color_cols) -{ - while (**color_cols >= 0 && vcol > **color_cols) - ++*color_cols; - return (**color_cols >= 0); -} -#endif - -#if defined(FEAT_MENU) || defined(FEAT_FOLDING) -/* - * Copy "text" to ScreenLines using "attr". - * Returns the next screen column. - */ - static int -text_to_screenline(win_T *wp, char_u *text, int col) -{ - int off = (int)(current_ScreenLine - ScreenLines); - - if (has_mbyte) - { - int cells; - int u8c, u8cc[MAX_MCO]; - int i; - int idx; - int c_len; - char_u *p; -# ifdef FEAT_ARABIC - int prev_c = 0; /* previous Arabic character */ - int prev_c1 = 0; /* first composing char for prev_c */ -# endif - -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - idx = off; - else -# endif - idx = off + col; - - /* Store multibyte characters in ScreenLines[] et al. correctly. */ - for (p = text; *p != NUL; ) - { - cells = (*mb_ptr2cells)(p); - c_len = (*mb_ptr2len)(p); - if (col + cells > wp->w_width -# ifdef FEAT_RIGHTLEFT - - (wp->w_p_rl ? col : 0) -# endif - ) - break; - ScreenLines[idx] = *p; - if (enc_utf8) - { - u8c = utfc_ptr2char(p, u8cc); - if (*p < 0x80 && u8cc[0] == 0) - { - ScreenLinesUC[idx] = 0; -#ifdef FEAT_ARABIC - prev_c = u8c; -#endif - } - else - { -#ifdef FEAT_ARABIC - if (p_arshape && !p_tbidi && ARABIC_CHAR(u8c)) - { - /* Do Arabic shaping. */ - int pc, pc1, nc; - int pcc[MAX_MCO]; - int firstbyte = *p; - - /* The idea of what is the previous and next - * character depends on 'rightleft'. */ - if (wp->w_p_rl) - { - pc = prev_c; - pc1 = prev_c1; - nc = utf_ptr2char(p + c_len); - prev_c1 = u8cc[0]; - } - else - { - pc = utfc_ptr2char(p + c_len, pcc); - nc = prev_c; - pc1 = pcc[0]; - } - prev_c = u8c; - - u8c = arabic_shape(u8c, &firstbyte, &u8cc[0], - pc, pc1, nc); - ScreenLines[idx] = firstbyte; - } - else - prev_c = u8c; -#endif - /* Non-BMP character: display as ? or fullwidth ?. */ - ScreenLinesUC[idx] = u8c; - for (i = 0; i < Screen_mco; ++i) - { - ScreenLinesC[i][idx] = u8cc[i]; - if (u8cc[i] == 0) - break; - } - } - if (cells > 1) - ScreenLines[idx + 1] = 0; - } - else if (enc_dbcs == DBCS_JPNU && *p == 0x8e) - /* double-byte single width character */ - ScreenLines2[idx] = p[1]; - else if (cells > 1) - /* double-width character */ - ScreenLines[idx + 1] = p[1]; - col += cells; - idx += cells; - p += c_len; - } - } - else - { - int len = (int)STRLEN(text); - - if (len > wp->w_width - col) - len = wp->w_width - col; - if (len > 0) - { -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - mch_memmove(current_ScreenLine, text, len); - else -#endif - mch_memmove(current_ScreenLine + col, text, len); - col += len; - } - } - return col; -} -#endif - -#ifdef FEAT_FOLDING +#if defined(FEAT_FOLDING) || defined(PROTO) /* * Compute the width of the foldcolumn. Based on 'foldcolumn' and how much * space is available for window "wp", minus "col". */ - static int + int compute_foldcolumn(win_T *wp, int col) { int fdc = wp->w_p_fdc; @@ -2620,343 +237,10 @@ compute_foldcolumn(win_T *wp, int col) } /* - * Display one folded line. - */ - static void -fold_line( - win_T *wp, - long fold_count, - foldinfo_T *foldinfo, - linenr_T lnum, - int row) -{ - char_u buf[FOLD_TEXT_LEN]; - pos_T *top, *bot; - linenr_T lnume = lnum + fold_count - 1; - int len; - char_u *text; - int fdc; - int col; - int txtcol; - int off = (int)(current_ScreenLine - ScreenLines); - int ri; - - /* Build the fold line: - * 1. Add the cmdwin_type for the command-line window - * 2. Add the 'foldcolumn' - * 3. Add the 'number' or 'relativenumber' column - * 4. Compose the text - * 5. Add the text - * 6. set highlighting for the Visual area an other text - */ - col = 0; - - /* - * 1. Add the cmdwin_type for the command-line window - * Ignores 'rightleft', this window is never right-left. - */ -#ifdef FEAT_CMDWIN - if (cmdwin_type != 0 && wp == curwin) - { - ScreenLines[off] = cmdwin_type; - ScreenAttrs[off] = HL_ATTR(HLF_AT); - if (enc_utf8) - ScreenLinesUC[off] = 0; - ++col; - } -#endif - - /* - * 2. Add the 'foldcolumn' - * Reduce the width when there is not enough space. - */ - fdc = compute_foldcolumn(wp, col); - if (fdc > 0) - { - fill_foldcolumn(buf, wp, TRUE, lnum); -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - int i; - - copy_text_attr(off + wp->w_width - fdc - col, buf, fdc, - HL_ATTR(HLF_FC)); - /* reverse the fold column */ - for (i = 0; i < fdc; ++i) - ScreenLines[off + wp->w_width - i - 1 - col] = buf[i]; - } - else -#endif - copy_text_attr(off + col, buf, fdc, HL_ATTR(HLF_FC)); - col += fdc; - } - -#ifdef FEAT_RIGHTLEFT -# define RL_MEMSET(p, v, l) \ - do { \ - if (wp->w_p_rl) \ - for (ri = 0; ri < l; ++ri) \ - ScreenAttrs[off + (wp->w_width - (p) - (l)) + ri] = v; \ - else \ - for (ri = 0; ri < l; ++ri) \ - ScreenAttrs[off + (p) + ri] = v; \ - } while (0) -#else -# define RL_MEMSET(p, v, l) \ - do { \ - for (ri = 0; ri < l; ++ri) \ - ScreenAttrs[off + (p) + ri] = v; \ - } while (0) -#endif - - /* Set all attributes of the 'number' or 'relativenumber' column and the - * text */ - RL_MEMSET(col, HL_ATTR(HLF_FL), wp->w_width - col); - -#ifdef FEAT_SIGNS - /* If signs are being displayed, add two spaces. */ - if (signcolumn_on(wp)) - { - len = wp->w_width - col; - if (len > 0) - { - if (len > 2) - len = 2; -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - /* the line number isn't reversed */ - copy_text_attr(off + wp->w_width - len - col, - (char_u *)" ", len, HL_ATTR(HLF_FL)); - else -# endif - copy_text_attr(off + col, (char_u *)" ", len, HL_ATTR(HLF_FL)); - col += len; - } - } -#endif - - /* - * 3. Add the 'number' or 'relativenumber' column - */ - if (wp->w_p_nu || wp->w_p_rnu) - { - len = wp->w_width - col; - if (len > 0) - { - int w = number_width(wp); - long num; - char *fmt = "%*ld "; - - if (len > w + 1) - len = w + 1; - - if (wp->w_p_nu && !wp->w_p_rnu) - /* 'number' + 'norelativenumber' */ - num = (long)lnum; - else - { - /* 'relativenumber', don't use negative numbers */ - num = labs((long)get_cursor_rel_lnum(wp, lnum)); - if (num == 0 && wp->w_p_nu && wp->w_p_rnu) - { - /* 'number' + 'relativenumber': cursor line shows absolute - * line number */ - num = lnum; - fmt = "%-*ld "; - } - } - - sprintf((char *)buf, fmt, w, num); -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - /* the line number isn't reversed */ - copy_text_attr(off + wp->w_width - len - col, buf, len, - HL_ATTR(HLF_FL)); - else -#endif - copy_text_attr(off + col, buf, len, HL_ATTR(HLF_FL)); - col += len; - } - } - - /* - * 4. Compose the folded-line string with 'foldtext', if set. - */ - text = get_foldtext(wp, lnum, lnume, foldinfo, buf); - - txtcol = col; /* remember where text starts */ - - /* - * 5. move the text to current_ScreenLine. Fill up with "fill_fold". - * Right-left text is put in columns 0 - number-col, normal text is put - * in columns number-col - window-width. - */ - col = text_to_screenline(wp, text, col); - - /* Fill the rest of the line with the fold filler */ -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - col -= txtcol; -#endif - while (col < wp->w_width -#ifdef FEAT_RIGHTLEFT - - (wp->w_p_rl ? txtcol : 0) -#endif - ) - { - if (enc_utf8) - { - if (fill_fold >= 0x80) - { - ScreenLinesUC[off + col] = fill_fold; - ScreenLinesC[0][off + col] = 0; - ScreenLines[off + col] = 0x80; /* avoid storing zero */ - } - else - { - ScreenLinesUC[off + col] = 0; - ScreenLines[off + col] = fill_fold; - } - col++; - } - else - ScreenLines[off + col++] = fill_fold; - } - - if (text != buf) - vim_free(text); - - /* - * 6. set highlighting for the Visual area an other text. - * If all folded lines are in the Visual area, highlight the line. - */ - if (VIsual_active && wp->w_buffer == curwin->w_buffer) - { - if (LTOREQ_POS(curwin->w_cursor, VIsual)) - { - /* Visual is after curwin->w_cursor */ - top = &curwin->w_cursor; - bot = &VIsual; - } - else - { - /* Visual is before curwin->w_cursor */ - top = &VIsual; - bot = &curwin->w_cursor; - } - if (lnum >= top->lnum - && lnume <= bot->lnum - && (VIsual_mode != 'v' - || ((lnum > top->lnum - || (lnum == top->lnum - && top->col == 0)) - && (lnume < bot->lnum - || (lnume == bot->lnum - && (bot->col - (*p_sel == 'e')) - >= (colnr_T)STRLEN(ml_get_buf(wp->w_buffer, lnume, FALSE))))))) - { - if (VIsual_mode == Ctrl_V) - { - /* Visual block mode: highlight the chars part of the block */ - if (wp->w_old_cursor_fcol + txtcol < (colnr_T)wp->w_width) - { - if (wp->w_old_cursor_lcol != MAXCOL - && wp->w_old_cursor_lcol + txtcol - < (colnr_T)wp->w_width) - len = wp->w_old_cursor_lcol; - else - len = wp->w_width - txtcol; - RL_MEMSET(wp->w_old_cursor_fcol + txtcol, HL_ATTR(HLF_V), - len - (int)wp->w_old_cursor_fcol); - } - } - else - { - /* Set all attributes of the text */ - RL_MEMSET(txtcol, HL_ATTR(HLF_V), wp->w_width - txtcol); - } - } - } - -#ifdef FEAT_SYN_HL - /* Show colorcolumn in the fold line, but let cursorcolumn override it. */ - if (wp->w_p_cc_cols) - { - int i = 0; - int j = wp->w_p_cc_cols[i]; - int old_txtcol = txtcol; - - while (j > -1) - { - txtcol += j; - if (wp->w_p_wrap) - txtcol -= wp->w_skipcol; - else - txtcol -= wp->w_leftcol; - if (txtcol >= 0 && txtcol < wp->w_width) - ScreenAttrs[off + txtcol] = hl_combine_attr( - ScreenAttrs[off + txtcol], HL_ATTR(HLF_MC)); - txtcol = old_txtcol; - j = wp->w_p_cc_cols[++i]; - } - } - - /* Show 'cursorcolumn' in the fold line. */ - if (wp->w_p_cuc) - { - txtcol += wp->w_virtcol; - if (wp->w_p_wrap) - txtcol -= wp->w_skipcol; - else - txtcol -= wp->w_leftcol; - if (txtcol >= 0 && txtcol < wp->w_width) - ScreenAttrs[off + txtcol] = hl_combine_attr( - ScreenAttrs[off + txtcol], HL_ATTR(HLF_CUC)); - } -#endif - - screen_line(row + W_WINROW(wp), wp->w_wincol, (int)wp->w_width, - (int)wp->w_width, 0); - - /* - * Update w_cline_height and w_cline_folded if the cursor line was - * updated (saves a call to plines() later). - */ - if (wp == curwin - && lnum <= curwin->w_cursor.lnum - && lnume >= curwin->w_cursor.lnum) - { - curwin->w_cline_row = row; - curwin->w_cline_height = 1; - curwin->w_cline_folded = TRUE; - curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); - } -} - -/* - * Copy "buf[len]" to ScreenLines["off"] and set attributes to "attr". - */ - static void -copy_text_attr( - int off, - char_u *buf, - int len, - int attr) -{ - int i; - - mch_memmove(ScreenLines + off, buf, (size_t)len); - if (enc_utf8) - vim_memset(ScreenLinesUC + off, 0, sizeof(u8char_T) * (size_t)len); - for (i = 0; i < len; ++i) - ScreenAttrs[off + i] = attr; -} - -/* * Fill the foldcolumn at "p" for window "wp". * Only to be called when 'foldcolumn' > 0. */ - static void + void fill_foldcolumn( char_u *p, win_T *wp, @@ -3004,3108 +288,6 @@ fill_foldcolumn( } #endif /* FEAT_FOLDING */ -#ifdef FEAT_TEXT_PROP -static textprop_T *current_text_props = NULL; -static buf_T *current_buf = NULL; - - static int -text_prop_compare(const void *s1, const void *s2) -{ - int idx1, idx2; - proptype_T *pt1, *pt2; - colnr_T col1, col2; - - idx1 = *(int *)s1; - idx2 = *(int *)s2; - pt1 = text_prop_type_by_id(current_buf, current_text_props[idx1].tp_type); - pt2 = text_prop_type_by_id(current_buf, current_text_props[idx2].tp_type); - if (pt1 == pt2) - return 0; - if (pt1 == NULL) - return -1; - if (pt2 == NULL) - return 1; - if (pt1->pt_priority != pt2->pt_priority) - return pt1->pt_priority > pt2->pt_priority ? 1 : -1; - col1 = current_text_props[idx1].tp_col; - col2 = current_text_props[idx2].tp_col; - return col1 == col2 ? 0 : col1 > col2 ? 1 : -1; -} -#endif - -#ifdef FEAT_SIGNS -/* - * Get information needed to display the sign in line 'lnum' in window 'wp'. - * If 'nrcol' is TRUE, the sign is going to be displayed in the number column. - * Otherwise the sign is going to be displayed in the sign column. - */ - static void -get_sign_display_info( - int nrcol, - win_T *wp, - linenr_T lnum UNUSED, - sign_attrs_T *sattr, - int wcr_attr, - int row, - int startrow, - int filler_lines UNUSED, - int filler_todo UNUSED, - int *c_extrap, - int *c_finalp, - char_u *extra, - char_u **pp_extra, - int *n_extrap, - int *char_attrp) -{ - int text_sign; -# ifdef FEAT_SIGN_ICONS - int icon_sign; -# endif - - // Draw two cells with the sign value or blank. - *c_extrap = ' '; - *c_finalp = NUL; - if (nrcol) - *n_extrap = number_width(wp) + 1; - else - { - *char_attrp = hl_combine_attr(wcr_attr, HL_ATTR(HLF_SC)); - *n_extrap = 2; - } - - if (row == startrow -#ifdef FEAT_DIFF - + filler_lines && filler_todo <= 0 -#endif - ) - { - text_sign = (sattr->text != NULL) ? sattr->typenr : 0; -# ifdef FEAT_SIGN_ICONS - icon_sign = (sattr->icon != NULL) ? sattr->typenr : 0; - if (gui.in_use && icon_sign != 0) - { - // Use the image in this position. - if (nrcol) - { - *c_extrap = NUL; - sprintf((char *)extra, "%-*c ", number_width(wp), SIGN_BYTE); - *pp_extra = extra; - *n_extrap = (int)STRLEN(*pp_extra); - } - else - *c_extrap = SIGN_BYTE; -# ifdef FEAT_NETBEANS_INTG - if (netbeans_active() && (buf_signcount(wp->w_buffer, lnum) > 1)) - { - if (nrcol) - { - *c_extrap = NUL; - sprintf((char *)extra, "%-*c ", number_width(wp), - MULTISIGN_BYTE); - *pp_extra = extra; - *n_extrap = (int)STRLEN(*pp_extra); - } - else - *c_extrap = MULTISIGN_BYTE; - } -# endif - *c_finalp = NUL; - *char_attrp = icon_sign; - } - else -# endif - if (text_sign != 0) - { - *pp_extra = sattr->text; - if (*pp_extra != NULL) - { - if (nrcol) - { - int n, width = number_width(wp) - 2; - - for (n = 0; n < width; n++) - extra[n] = ' '; - extra[n] = 0; - STRCAT(extra, *pp_extra); - STRCAT(extra, " "); - *pp_extra = extra; - } - *c_extrap = NUL; - *c_finalp = NUL; - *n_extrap = (int)STRLEN(*pp_extra); - } - *char_attrp = sattr->texthl; - } - } -} -#endif - -/* - * Display line "lnum" of window 'wp' on the screen. - * Start at row "startrow", stop when "endrow" is reached. - * wp->w_virtcol needs to be valid. - * - * Return the number of last row the line occupies. - */ - static int -win_line( - win_T *wp, - linenr_T lnum, - int startrow, - int endrow, - int nochange UNUSED, // not updating for changed text - int number_only) // only update the number column -{ - int col = 0; // visual column on screen - unsigned off; // offset in ScreenLines/ScreenAttrs - int c = 0; // init for GCC - long vcol = 0; // virtual column (for tabs) -#ifdef FEAT_LINEBREAK - long vcol_sbr = -1; // virtual column after showbreak -#endif - long vcol_prev = -1; // "vcol" of previous character - char_u *line; // current line - char_u *ptr; // current position in "line" - int row; // row in the window, excl w_winrow - int screen_row; // row on the screen, incl w_winrow - - char_u extra[21]; // "%ld " and 'fdc' must fit in here - int n_extra = 0; // number of extra chars - char_u *p_extra = NULL; // string of extra chars, plus NUL - char_u *p_extra_free = NULL; // p_extra needs to be freed - int c_extra = NUL; // extra chars, all the same - int c_final = NUL; // final char, mandatory if set - int extra_attr = 0; // attributes when n_extra != 0 - static char_u *at_end_str = (char_u *)""; // used for p_extra when - // displaying lcs_eol at end-of-line - int lcs_eol_one = lcs_eol; // lcs_eol until it's been used - int lcs_prec_todo = lcs_prec; // lcs_prec until it's been used - - // saved "extra" items for when draw_state becomes WL_LINE (again) - int saved_n_extra = 0; - char_u *saved_p_extra = NULL; - int saved_c_extra = 0; - int saved_c_final = 0; - int saved_char_attr = 0; - - int n_attr = 0; /* chars with special attr */ - int saved_attr2 = 0; /* char_attr saved for n_attr */ - int n_attr3 = 0; /* chars with overruling special attr */ - int saved_attr3 = 0; /* char_attr saved for n_attr3 */ - - int n_skip = 0; /* nr of chars to skip for 'nowrap' */ - - int fromcol = -10; // start of inverting - int tocol = MAXCOL; // end of inverting - int fromcol_prev = -2; // start of inverting after cursor - int noinvcur = FALSE; // don't invert the cursor - pos_T *top, *bot; - int lnum_in_visual_area = FALSE; - pos_T pos; - long v; - - int char_attr = 0; // attributes for next character - int attr_pri = FALSE; // char_attr has priority - int area_highlighting = FALSE; // Visual or incsearch highlighting - // in this line - int vi_attr = 0; // attributes for Visual and incsearch - // highlighting - int wcr_attr = 0; // attributes from 'wincolor' - int win_attr = 0; // background for whole window, except - // margins and "~" lines. - int area_attr = 0; // attributes desired by highlighting - int search_attr = 0; // attributes desired by 'hlsearch' -#ifdef FEAT_SYN_HL - int vcol_save_attr = 0; /* saved attr for 'cursorcolumn' */ - int syntax_attr = 0; /* attributes desired by syntax */ - int has_syntax = FALSE; /* this buffer has syntax highl. */ - int save_did_emsg; - int draw_color_col = FALSE; /* highlight colorcolumn */ - int *color_cols = NULL; /* pointer to according columns array */ -#endif - int eol_hl_off = 0; /* 1 if highlighted char after EOL */ -#ifdef FEAT_TEXT_PROP - int text_prop_count; - int text_prop_next = 0; // next text property to use - textprop_T *text_props = NULL; - int *text_prop_idxs = NULL; - int text_props_active = 0; - proptype_T *text_prop_type = NULL; - int text_prop_attr = 0; - int text_prop_combine = FALSE; -#endif -#ifdef FEAT_SPELL - int has_spell = FALSE; /* this buffer has spell checking */ -# define SPWORDLEN 150 - char_u nextline[SPWORDLEN * 2];/* text with start of the next line */ - int nextlinecol = 0; /* column where nextline[] starts */ - int nextline_idx = 0; /* index in nextline[] where next line - starts */ - int spell_attr = 0; /* attributes desired by spelling */ - int word_end = 0; /* last byte with same spell_attr */ - static linenr_T checked_lnum = 0; /* line number for "checked_col" */ - static int checked_col = 0; /* column in "checked_lnum" up to which - * there are no spell errors */ - static int cap_col = -1; /* column to check for Cap word */ - static linenr_T capcol_lnum = 0; /* line number where "cap_col" used */ - int cur_checked_col = 0; /* checked column for current line */ -#endif - int extra_check = 0; // has extra highlighting - int multi_attr = 0; /* attributes desired by multibyte */ - int mb_l = 1; /* multi-byte byte length */ - int mb_c = 0; /* decoded multi-byte character */ - int mb_utf8 = FALSE; /* screen char is UTF-8 char */ - int u8cc[MAX_MCO]; /* composing UTF-8 chars */ -#if defined(FEAT_DIFF) || defined(FEAT_SIGNS) - int filler_lines = 0; /* nr of filler lines to be drawn */ - int filler_todo = 0; /* nr of filler lines still to do + 1 */ -#endif -#ifdef FEAT_DIFF - hlf_T diff_hlf = (hlf_T)0; /* type of diff highlighting */ - int change_start = MAXCOL; /* first col of changed area */ - int change_end = -1; /* last col of changed area */ -#endif - colnr_T trailcol = MAXCOL; /* start of trailing spaces */ -#ifdef FEAT_LINEBREAK - int need_showbreak = FALSE; /* overlong line, skipping first x - chars */ -#endif -#if defined(FEAT_SIGNS) || defined(FEAT_QUICKFIX) \ - || defined(FEAT_SYN_HL) || defined(FEAT_DIFF) -# define LINE_ATTR - int line_attr = 0; // attribute for the whole line - int line_attr_save; -#endif -#ifdef FEAT_SIGNS - int sign_present = FALSE; - sign_attrs_T sattr; -#endif -#ifdef FEAT_ARABIC - int prev_c = 0; /* previous Arabic character */ - int prev_c1 = 0; /* first composing char for prev_c */ -#endif -#if defined(LINE_ATTR) - int did_line_attr = 0; -#endif -#ifdef FEAT_TERMINAL - int get_term_attr = FALSE; -#endif -#ifdef FEAT_SYN_HL - int cul_attr = 0; // set when 'cursorline' active - - // 'cursorlineopt' has "screenline" and cursor is in this line - int cul_screenline = FALSE; - - // margin columns for the screen line, needed for when 'cursorlineopt' - // contains "screenline" - int left_curline_col = 0; - int right_curline_col = 0; -#endif - - /* draw_state: items that are drawn in sequence: */ -#define WL_START 0 /* nothing done yet */ -#ifdef FEAT_CMDWIN -# define WL_CMDLINE WL_START + 1 /* cmdline window column */ -#else -# define WL_CMDLINE WL_START -#endif -#ifdef FEAT_FOLDING -# define WL_FOLD WL_CMDLINE + 1 /* 'foldcolumn' */ -#else -# define WL_FOLD WL_CMDLINE -#endif -#ifdef FEAT_SIGNS -# define WL_SIGN WL_FOLD + 1 /* column for signs */ -#else -# define WL_SIGN WL_FOLD /* column for signs */ -#endif -#define WL_NR WL_SIGN + 1 /* line number */ -#ifdef FEAT_LINEBREAK -# define WL_BRI WL_NR + 1 /* 'breakindent' */ -#else -# define WL_BRI WL_NR -#endif -#if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) -# define WL_SBR WL_BRI + 1 /* 'showbreak' or 'diff' */ -#else -# define WL_SBR WL_BRI -#endif -#define WL_LINE WL_SBR + 1 /* text in the line */ - int draw_state = WL_START; /* what to draw next */ -#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) - int feedback_col = 0; - int feedback_old_attr = -1; -#endif - int screen_line_flags = 0; - -#if defined(FEAT_CONCEAL) || defined(FEAT_SEARCH_EXTRA) - int match_conc = 0; // cchar for match functions -#endif -#ifdef FEAT_CONCEAL - int syntax_flags = 0; - int syntax_seqnr = 0; - int prev_syntax_id = 0; - int conceal_attr = HL_ATTR(HLF_CONCEAL); - int is_concealing = FALSE; - int boguscols = 0; // nonexistent columns added to force - // wrapping - int vcol_off = 0; // offset for concealed characters - int did_wcol = FALSE; - int old_boguscols = 0; -# define VCOL_HLC (vcol - vcol_off) -# define FIX_FOR_BOGUSCOLS \ - { \ - n_extra += vcol_off; \ - vcol -= vcol_off; \ - vcol_off = 0; \ - col -= boguscols; \ - old_boguscols = boguscols; \ - boguscols = 0; \ - } -#else -# define VCOL_HLC (vcol) -#endif - - if (startrow > endrow) /* past the end already! */ - return startrow; - - row = startrow; - screen_row = row + W_WINROW(wp); - - if (!number_only) - { - /* - * To speed up the loop below, set extra_check when there is linebreak, - * trailing white space and/or syntax processing to be done. - */ -#ifdef FEAT_LINEBREAK - extra_check = wp->w_p_lbr; -#endif -#ifdef FEAT_SYN_HL - if (syntax_present(wp) && !wp->w_s->b_syn_error -# ifdef SYN_TIME_LIMIT - && !wp->w_s->b_syn_slow -# endif - ) - { - /* Prepare for syntax highlighting in this line. When there is an - * error, stop syntax highlighting. */ - save_did_emsg = did_emsg; - did_emsg = FALSE; - syntax_start(wp, lnum); - if (did_emsg) - wp->w_s->b_syn_error = TRUE; - else - { - did_emsg = save_did_emsg; -#ifdef SYN_TIME_LIMIT - if (!wp->w_s->b_syn_slow) -#endif - { - has_syntax = TRUE; - extra_check = TRUE; - } - } - } - - /* Check for columns to display for 'colorcolumn'. */ - color_cols = wp->w_p_cc_cols; - if (color_cols != NULL) - draw_color_col = advance_color_col(VCOL_HLC, &color_cols); -#endif - -#ifdef FEAT_TERMINAL - if (term_show_buffer(wp->w_buffer)) - { - extra_check = TRUE; - get_term_attr = TRUE; - win_attr = term_get_attr(wp->w_buffer, lnum, -1); - } -#endif - -#ifdef FEAT_SPELL - if (wp->w_p_spell - && *wp->w_s->b_p_spl != NUL - && wp->w_s->b_langp.ga_len > 0 - && *(char **)(wp->w_s->b_langp.ga_data) != NULL) - { - /* Prepare for spell checking. */ - has_spell = TRUE; - extra_check = TRUE; - - /* Get the start of the next line, so that words that wrap to the - * next line are found too: "et<line-break>al.". - * Trick: skip a few chars for C/shell/Vim comments */ - nextline[SPWORDLEN] = NUL; - if (lnum < wp->w_buffer->b_ml.ml_line_count) - { - line = ml_get_buf(wp->w_buffer, lnum + 1, FALSE); - spell_cat_line(nextline + SPWORDLEN, line, SPWORDLEN); - } - - /* When a word wrapped from the previous line the start of the - * current line is valid. */ - if (lnum == checked_lnum) - cur_checked_col = checked_col; - checked_lnum = 0; - - /* When there was a sentence end in the previous line may require a - * word starting with capital in this line. In line 1 always check - * the first word. */ - if (lnum != capcol_lnum) - cap_col = -1; - if (lnum == 1) - cap_col = 0; - capcol_lnum = 0; - } -#endif - - /* - * handle Visual active in this window - */ - if (VIsual_active && wp->w_buffer == curwin->w_buffer) - { - if (LTOREQ_POS(curwin->w_cursor, VIsual)) - { - // Visual is after curwin->w_cursor - top = &curwin->w_cursor; - bot = &VIsual; - } - else - { - // Visual is before curwin->w_cursor - top = &VIsual; - bot = &curwin->w_cursor; - } - lnum_in_visual_area = (lnum >= top->lnum && lnum <= bot->lnum); - if (VIsual_mode == Ctrl_V) - { - // block mode - if (lnum_in_visual_area) - { - fromcol = wp->w_old_cursor_fcol; - tocol = wp->w_old_cursor_lcol; - } - } - else - { - // non-block mode - if (lnum > top->lnum && lnum <= bot->lnum) - fromcol = 0; - else if (lnum == top->lnum) - { - if (VIsual_mode == 'V') // linewise - fromcol = 0; - else - { - getvvcol(wp, top, (colnr_T *)&fromcol, NULL, NULL); - if (gchar_pos(top) == NUL) - tocol = fromcol + 1; - } - } - if (VIsual_mode != 'V' && lnum == bot->lnum) - { - if (*p_sel == 'e' && bot->col == 0 && bot->coladd == 0) - { - fromcol = -10; - tocol = MAXCOL; - } - else if (bot->col == MAXCOL) - tocol = MAXCOL; - else - { - pos = *bot; - if (*p_sel == 'e') - getvvcol(wp, &pos, (colnr_T *)&tocol, NULL, NULL); - else - { - getvvcol(wp, &pos, NULL, NULL, (colnr_T *)&tocol); - ++tocol; - } - } - } - } - - /* Check if the character under the cursor should not be inverted */ - if (!highlight_match && lnum == curwin->w_cursor.lnum && wp == curwin -#ifdef FEAT_GUI - && !gui.in_use -#endif - ) - noinvcur = TRUE; - - /* if inverting in this line set area_highlighting */ - if (fromcol >= 0) - { - area_highlighting = TRUE; - vi_attr = HL_ATTR(HLF_V); -#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) - if ((clip_star.available && !clip_star.owned - && clip_isautosel_star()) - || (clip_plus.available && !clip_plus.owned - && clip_isautosel_plus())) - vi_attr = HL_ATTR(HLF_VNC); -#endif - } - } - - /* - * handle 'incsearch' and ":s///c" highlighting - */ - else if (highlight_match - && wp == curwin - && lnum >= curwin->w_cursor.lnum - && lnum <= curwin->w_cursor.lnum + search_match_lines) - { - if (lnum == curwin->w_cursor.lnum) - getvcol(curwin, &(curwin->w_cursor), - (colnr_T *)&fromcol, NULL, NULL); - else - fromcol = 0; - if (lnum == curwin->w_cursor.lnum + search_match_lines) - { - pos.lnum = lnum; - pos.col = search_match_endcol; - getvcol(curwin, &pos, (colnr_T *)&tocol, NULL, NULL); - } - else - tocol = MAXCOL; - /* do at least one character; happens when past end of line */ - if (fromcol == tocol) - tocol = fromcol + 1; - area_highlighting = TRUE; - vi_attr = HL_ATTR(HLF_I); - } - } - -#ifdef FEAT_DIFF - filler_lines = diff_check(wp, lnum); - if (filler_lines < 0) - { - if (filler_lines == -1) - { - if (diff_find_change(wp, lnum, &change_start, &change_end)) - diff_hlf = HLF_ADD; /* added line */ - else if (change_start == 0) - diff_hlf = HLF_TXD; /* changed text */ - else - diff_hlf = HLF_CHD; /* changed line */ - } - else - diff_hlf = HLF_ADD; /* added line */ - filler_lines = 0; - area_highlighting = TRUE; - } - if (lnum == wp->w_topline) - filler_lines = wp->w_topfill; - filler_todo = filler_lines; -#endif - -#ifdef FEAT_SIGNS - sign_present = buf_get_signattrs(wp->w_buffer, lnum, &sattr); -#endif - -#ifdef LINE_ATTR -# ifdef FEAT_SIGNS - /* If this line has a sign with line highlighting set line_attr. */ - if (sign_present) - line_attr = sattr.linehl; -# endif -# if defined(FEAT_QUICKFIX) - /* Highlight the current line in the quickfix window. */ - if (bt_quickfix(wp->w_buffer) && qf_current_entry(wp) == lnum) - line_attr = HL_ATTR(HLF_QFL); -# endif - if (line_attr != 0) - area_highlighting = TRUE; -#endif - - line = ml_get_buf(wp->w_buffer, lnum, FALSE); - ptr = line; - -#ifdef FEAT_SPELL - if (has_spell && !number_only) - { - /* For checking first word with a capital skip white space. */ - if (cap_col == 0) - cap_col = getwhitecols(line); - - /* To be able to spell-check over line boundaries copy the end of the - * current line into nextline[]. Above the start of the next line was - * copied to nextline[SPWORDLEN]. */ - if (nextline[SPWORDLEN] == NUL) - { - /* No next line or it is empty. */ - nextlinecol = MAXCOL; - nextline_idx = 0; - } - else - { - v = (long)STRLEN(line); - if (v < SPWORDLEN) - { - /* Short line, use it completely and append the start of the - * next line. */ - nextlinecol = 0; - mch_memmove(nextline, line, (size_t)v); - STRMOVE(nextline + v, nextline + SPWORDLEN); - nextline_idx = v + 1; - } - else - { - /* Long line, use only the last SPWORDLEN bytes. */ - nextlinecol = v - SPWORDLEN; - mch_memmove(nextline, line + nextlinecol, SPWORDLEN); - nextline_idx = SPWORDLEN + 1; - } - } - } -#endif - - if (wp->w_p_list) - { - if (lcs_space || lcs_trail || lcs_nbsp) - extra_check = TRUE; - /* find start of trailing whitespace */ - if (lcs_trail) - { - trailcol = (colnr_T)STRLEN(ptr); - while (trailcol > (colnr_T)0 && VIM_ISWHITE(ptr[trailcol - 1])) - --trailcol; - trailcol += (colnr_T) (ptr - line); - } - } - - wcr_attr = get_wcr_attr(wp); - if (wcr_attr != 0) - { - win_attr = wcr_attr; - area_highlighting = TRUE; - } -#ifdef FEAT_TEXT_PROP - if (WIN_IS_POPUP(wp)) - screen_line_flags |= SLF_POPUP; -#endif - - /* - * 'nowrap' or 'wrap' and a single line that doesn't fit: Advance to the - * first character to be displayed. - */ - if (wp->w_p_wrap) - v = wp->w_skipcol; - else - v = wp->w_leftcol; - if (v > 0 && !number_only) - { - char_u *prev_ptr = ptr; - - while (vcol < v && *ptr != NUL) - { - c = win_lbr_chartabsize(wp, line, ptr, (colnr_T)vcol, NULL); - vcol += c; - prev_ptr = ptr; - MB_PTR_ADV(ptr); - } - - /* When: - * - 'cuc' is set, or - * - 'colorcolumn' is set, or - * - 'virtualedit' is set, or - * - the visual mode is active, - * the end of the line may be before the start of the displayed part. - */ - if (vcol < v && ( -#ifdef FEAT_SYN_HL - wp->w_p_cuc || draw_color_col || -#endif - virtual_active() || - (VIsual_active && wp->w_buffer == curwin->w_buffer))) - vcol = v; - - /* Handle a character that's not completely on the screen: Put ptr at - * that character but skip the first few screen characters. */ - if (vcol > v) - { - vcol -= c; - ptr = prev_ptr; - /* If the character fits on the screen, don't need to skip it. - * Except for a TAB. */ - if (( (*mb_ptr2cells)(ptr) >= c || *ptr == TAB) && col == 0) - n_skip = v - vcol; - } - - /* - * Adjust for when the inverted text is before the screen, - * and when the start of the inverted text is before the screen. - */ - if (tocol <= vcol) - fromcol = 0; - else if (fromcol >= 0 && fromcol < vcol) - fromcol = vcol; - -#ifdef FEAT_LINEBREAK - /* When w_skipcol is non-zero, first line needs 'showbreak' */ - if (wp->w_p_wrap) - need_showbreak = TRUE; -#endif -#ifdef FEAT_SPELL - /* When spell checking a word we need to figure out the start of the - * word and if it's badly spelled or not. */ - if (has_spell) - { - int len; - colnr_T linecol = (colnr_T)(ptr - line); - hlf_T spell_hlf = HLF_COUNT; - - pos = wp->w_cursor; - wp->w_cursor.lnum = lnum; - wp->w_cursor.col = linecol; - len = spell_move_to(wp, FORWARD, TRUE, TRUE, &spell_hlf); - - /* spell_move_to() may call ml_get() and make "line" invalid */ - line = ml_get_buf(wp->w_buffer, lnum, FALSE); - ptr = line + linecol; - - if (len == 0 || (int)wp->w_cursor.col > ptr - line) - { - /* no bad word found at line start, don't check until end of a - * word */ - spell_hlf = HLF_COUNT; - word_end = (int)(spell_to_word_end(ptr, wp) - line + 1); - } - else - { - /* bad word found, use attributes until end of word */ - word_end = wp->w_cursor.col + len + 1; - - /* Turn index into actual attributes. */ - if (spell_hlf != HLF_COUNT) - spell_attr = highlight_attr[spell_hlf]; - } - wp->w_cursor = pos; - -# ifdef FEAT_SYN_HL - /* Need to restart syntax highlighting for this line. */ - if (has_syntax) - syntax_start(wp, lnum); -# endif - } -#endif - } - - /* - * Correct highlighting for cursor that can't be disabled. - * Avoids having to check this for each character. - */ - if (fromcol >= 0) - { - if (noinvcur) - { - if ((colnr_T)fromcol == wp->w_virtcol) - { - /* highlighting starts at cursor, let it start just after the - * cursor */ - fromcol_prev = fromcol; - fromcol = -1; - } - else if ((colnr_T)fromcol < wp->w_virtcol) - /* restart highlighting after the cursor */ - fromcol_prev = wp->w_virtcol; - } - if (fromcol >= tocol) - fromcol = -1; - } - -#ifdef FEAT_SEARCH_EXTRA - if (!number_only) - { - v = (long)(ptr - line); - area_highlighting |= prepare_search_hl_line(wp, lnum, (colnr_T)v, - &line, &search_hl, &search_attr); - ptr = line + v; // "line" may have been updated - } -#endif - -#ifdef FEAT_SYN_HL - // Cursor line highlighting for 'cursorline' in the current window. - if (wp->w_p_cul && lnum == wp->w_cursor.lnum) - { - // Do not show the cursor line in the text when Visual mode is active, - // because it's not clear what is selected then. Do update - // w_last_cursorline. - if (!(wp == curwin && VIsual_active) - && wp->w_p_culopt_flags != CULOPT_NBR) - { - cul_screenline = (wp->w_p_wrap - && (wp->w_p_culopt_flags & CULOPT_SCRLINE)); - - // Only set line_attr here when "screenline" is not present in - // 'cursorlineopt'. Otherwise it's done later. - if (!cul_screenline) - { - cul_attr = HL_ATTR(HLF_CUL); - line_attr = cul_attr; - wp->w_last_cursorline = wp->w_cursor.lnum; - } - else - { - line_attr_save = line_attr; - wp->w_last_cursorline = 0; - margin_columns_win(wp, &left_curline_col, &right_curline_col); - } - area_highlighting = TRUE; - } - else - wp->w_last_cursorline = wp->w_cursor.lnum; - } -#endif - -#ifdef FEAT_TEXT_PROP - { - char_u *prop_start; - - text_prop_count = get_text_props(wp->w_buffer, lnum, - &prop_start, FALSE); - if (text_prop_count > 0) - { - // Make a copy of the properties, so that they are properly - // aligned. - text_props = ALLOC_MULT(textprop_T, text_prop_count); - if (text_props != NULL) - mch_memmove(text_props, prop_start, - text_prop_count * sizeof(textprop_T)); - - // Allocate an array for the indexes. - text_prop_idxs = ALLOC_MULT(int, text_prop_count); - area_highlighting = TRUE; - extra_check = TRUE; - } - } -#endif - - off = (unsigned)(current_ScreenLine - ScreenLines); - col = 0; - -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - /* Rightleft window: process the text in the normal direction, but put - * it in current_ScreenLine[] from right to left. Start at the - * rightmost column of the window. */ - col = wp->w_width - 1; - off += col; - screen_line_flags |= SLF_RIGHTLEFT; - } -#endif - - /* - * Repeat for the whole displayed line. - */ - for (;;) - { -#if defined(FEAT_CONCEAL) || defined(FEAT_SEARCH_EXTRA) - int has_match_conc = 0; // match wants to conceal -#endif -#ifdef FEAT_CONCEAL - int did_decrement_ptr = FALSE; -#endif - /* Skip this quickly when working on the text. */ - if (draw_state != WL_LINE) - { -#ifdef FEAT_CMDWIN - if (draw_state == WL_CMDLINE - 1 && n_extra == 0) - { - draw_state = WL_CMDLINE; - if (cmdwin_type != 0 && wp == curwin) - { - /* Draw the cmdline character. */ - n_extra = 1; - c_extra = cmdwin_type; - c_final = NUL; - char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_AT)); - } - } -#endif - -#ifdef FEAT_FOLDING - if (draw_state == WL_FOLD - 1 && n_extra == 0) - { - int fdc = compute_foldcolumn(wp, 0); - - draw_state = WL_FOLD; - if (fdc > 0) - { - /* Draw the 'foldcolumn'. Allocate a buffer, "extra" may - * already be in use. */ - vim_free(p_extra_free); - p_extra_free = alloc(12 + 1); - - if (p_extra_free != NULL) - { - fill_foldcolumn(p_extra_free, wp, FALSE, lnum); - n_extra = fdc; - p_extra_free[n_extra] = NUL; - p_extra = p_extra_free; - c_extra = NUL; - c_final = NUL; - char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_FC)); - } - } - } -#endif - -#ifdef FEAT_SIGNS - if (draw_state == WL_SIGN - 1 && n_extra == 0) - { - draw_state = WL_SIGN; - /* Show the sign column when there are any signs in this - * buffer or when using Netbeans. */ - if (signcolumn_on(wp)) - get_sign_display_info(FALSE, wp, lnum, &sattr, wcr_attr, - row, startrow, filler_lines, filler_todo, &c_extra, - &c_final, extra, &p_extra, &n_extra, &char_attr); - } -#endif - - if (draw_state == WL_NR - 1 && n_extra == 0) - { - draw_state = WL_NR; - /* Display the absolute or relative line number. After the - * first fill with blanks when the 'n' flag isn't in 'cpo' */ - if ((wp->w_p_nu || wp->w_p_rnu) - && (row == startrow -#ifdef FEAT_DIFF - + filler_lines -#endif - || vim_strchr(p_cpo, CPO_NUMCOL) == NULL)) - { -#ifdef FEAT_SIGNS - // If 'signcolumn' is set to 'number' and a sign is present - // in 'lnum', then display the sign instead of the line - // number. - if ((*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u') - && sign_present) - get_sign_display_info(TRUE, wp, lnum, &sattr, wcr_attr, - row, startrow, filler_lines, filler_todo, - &c_extra, &c_final, extra, &p_extra, &n_extra, - &char_attr); - else -#endif - { - /* Draw the line number (empty space after wrapping). */ - if (row == startrow -#ifdef FEAT_DIFF - + filler_lines -#endif - ) - { - long num; - char *fmt = "%*ld "; - - if (wp->w_p_nu && !wp->w_p_rnu) - /* 'number' + 'norelativenumber' */ - num = (long)lnum; - else - { - /* 'relativenumber', don't use negative numbers */ - num = labs((long)get_cursor_rel_lnum(wp, lnum)); - if (num == 0 && wp->w_p_nu && wp->w_p_rnu) - { - /* 'number' + 'relativenumber' */ - num = lnum; - fmt = "%-*ld "; - } - } - - sprintf((char *)extra, fmt, - number_width(wp), num); - if (wp->w_skipcol > 0) - for (p_extra = extra; *p_extra == ' '; ++p_extra) - *p_extra = '-'; -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) /* reverse line numbers */ - { - char_u *p1, *p2; - int t; - - // like rl_mirror(), but keep the space at the end - p2 = skiptowhite(extra) - 1; - for (p1 = extra; p1 < p2; ++p1, --p2) - { - t = *p1; - *p1 = *p2; - *p2 = t; - } - } -#endif - p_extra = extra; - c_extra = NUL; - c_final = NUL; - } - else - { - c_extra = ' '; - c_final = NUL; - } - n_extra = number_width(wp) + 1; - char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_N)); -#ifdef FEAT_SYN_HL - // When 'cursorline' is set highlight the line number of - // the current line differently. - // When 'cursorlineopt' has "screenline" only highlight - // the line number itself. - // TODO: Can we use CursorLine instead of CursorLineNr - // when CursorLineNr isn't set? - if ((wp->w_p_cul || wp->w_p_rnu) - && (wp->w_p_culopt_flags & CULOPT_NBR) - && (row == startrow - || wp->w_p_culopt_flags & CULOPT_LINE) - && lnum == wp->w_cursor.lnum) - char_attr = hl_combine_attr(wcr_attr, HL_ATTR(HLF_CLN)); -#endif - } - } - } - -#ifdef FEAT_LINEBREAK - if (wp->w_p_brisbr && draw_state == WL_BRI - 1 - && n_extra == 0 && *p_sbr != NUL) - /* draw indent after showbreak value */ - draw_state = WL_BRI; - else if (wp->w_p_brisbr && draw_state == WL_SBR && n_extra == 0) - /* After the showbreak, draw the breakindent */ - draw_state = WL_BRI - 1; - - /* draw 'breakindent': indent wrapped text accordingly */ - if (draw_state == WL_BRI - 1 && n_extra == 0) - { - draw_state = WL_BRI; - /* if need_showbreak is set, breakindent also applies */ - if (wp->w_p_bri && n_extra == 0 - && (row != startrow || need_showbreak) -# ifdef FEAT_DIFF - && filler_lines == 0 -# endif - ) - { - char_attr = 0; -# ifdef FEAT_DIFF - if (diff_hlf != (hlf_T)0) - { - char_attr = HL_ATTR(diff_hlf); -# ifdef FEAT_SYN_HL - if (cul_attr != 0) - char_attr = hl_combine_attr(char_attr, cul_attr); -# endif - } -# endif - p_extra = NULL; - c_extra = ' '; - n_extra = get_breakindent_win(wp, - ml_get_buf(wp->w_buffer, lnum, FALSE)); - /* Correct end of highlighted area for 'breakindent', - * required when 'linebreak' is also set. */ - if (tocol == vcol) - tocol += n_extra; - } - } -#endif - -#if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) - if (draw_state == WL_SBR - 1 && n_extra == 0) - { - draw_state = WL_SBR; -# ifdef FEAT_DIFF - if (filler_todo > 0) - { - /* Draw "deleted" diff line(s). */ - if (char2cells(fill_diff) > 1) - { - c_extra = '-'; - c_final = NUL; - } - else - { - c_extra = fill_diff; - c_final = NUL; - } -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - n_extra = col + 1; - else -# endif - n_extra = wp->w_width - col; - char_attr = HL_ATTR(HLF_DED); - } -# endif -# ifdef FEAT_LINEBREAK - if (*p_sbr != NUL && need_showbreak) - { - /* Draw 'showbreak' at the start of each broken line. */ - p_extra = p_sbr; - c_extra = NUL; - c_final = NUL; - n_extra = (int)STRLEN(p_sbr); - char_attr = HL_ATTR(HLF_AT); - need_showbreak = FALSE; - vcol_sbr = vcol + MB_CHARLEN(p_sbr); - /* Correct end of highlighted area for 'showbreak', - * required when 'linebreak' is also set. */ - if (tocol == vcol) - tocol += n_extra; - // combine 'showbreak' with 'wincolor' - if (win_attr != 0) - char_attr = hl_combine_attr(win_attr, char_attr); -# ifdef FEAT_SYN_HL - // combine 'showbreak' with 'cursorline' - if (cul_attr != 0) - char_attr = hl_combine_attr(char_attr, cul_attr); -# endif - } -# endif - } -#endif - - if (draw_state == WL_LINE - 1 && n_extra == 0) - { - draw_state = WL_LINE; - if (saved_n_extra) - { - /* Continue item from end of wrapped line. */ - n_extra = saved_n_extra; - c_extra = saved_c_extra; - c_final = saved_c_final; - p_extra = saved_p_extra; - char_attr = saved_char_attr; - } - else - char_attr = win_attr; - } - } -#ifdef FEAT_SYN_HL - if (cul_screenline) - { - if (draw_state == WL_LINE - && vcol >= left_curline_col - && vcol < right_curline_col) - { - cul_attr = HL_ATTR(HLF_CUL); - line_attr = cul_attr; - } - else - { - cul_attr = 0; - line_attr = line_attr_save; - } - } -#endif - - // When still displaying '$' of change command, stop at cursor. - // When only displaying the (relative) line number and that's done, - // stop here. - if ((dollar_vcol >= 0 && wp == curwin - && lnum == wp->w_cursor.lnum && vcol >= (long)wp->w_virtcol -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - ) - || (number_only && draw_state > WL_NR)) - { - screen_line(screen_row, wp->w_wincol, col, -(int)wp->w_width, - screen_line_flags); - /* Pretend we have finished updating the window. Except when - * 'cursorcolumn' is set. */ -#ifdef FEAT_SYN_HL - if (wp->w_p_cuc) - row = wp->w_cline_row + wp->w_cline_height; - else -#endif - row = wp->w_height; - break; - } - - if (draw_state == WL_LINE && (area_highlighting -#ifdef FEAT_SPELL - || has_spell -#endif - )) - { - /* handle Visual or match highlighting in this line */ - if (vcol == fromcol - || (has_mbyte && vcol + 1 == fromcol && n_extra == 0 - && (*mb_ptr2cells)(ptr) > 1) - || ((int)vcol_prev == fromcol_prev - && vcol_prev < vcol /* not at margin */ - && vcol < tocol)) - area_attr = vi_attr; /* start highlighting */ - else if (area_attr != 0 - && (vcol == tocol - || (noinvcur && (colnr_T)vcol == wp->w_virtcol))) - area_attr = 0; /* stop highlighting */ - -#ifdef FEAT_SEARCH_EXTRA - if (!n_extra) - { - /* - * Check for start/end of 'hlsearch' and other matches. - * After end, check for start/end of next match. - * When another match, have to check for start again. - */ - v = (long)(ptr - line); - search_attr = update_search_hl(wp, lnum, (colnr_T)v, &line, - &search_hl, &has_match_conc, &match_conc, - did_line_attr, lcs_eol_one); - ptr = line + v; // "line" may have been changed - } -#endif - -#ifdef FEAT_DIFF - if (diff_hlf != (hlf_T)0) - { - if (diff_hlf == HLF_CHD && ptr - line >= change_start - && n_extra == 0) - diff_hlf = HLF_TXD; /* changed text */ - if (diff_hlf == HLF_TXD && ptr - line > change_end - && n_extra == 0) - diff_hlf = HLF_CHD; /* changed line */ - line_attr = HL_ATTR(diff_hlf); - if (wp->w_p_cul && lnum == wp->w_cursor.lnum - && wp->w_p_culopt_flags != CULOPT_NBR - && (!cul_screenline || (vcol >= left_curline_col - && vcol <= right_curline_col))) - line_attr = hl_combine_attr( - line_attr, HL_ATTR(HLF_CUL)); - } -#endif - -#ifdef FEAT_TEXT_PROP - if (text_props != NULL) - { - int pi; - int bcol = (int)(ptr - line); - - if (n_extra > 0) - --bcol; // still working on the previous char, e.g. Tab - - // Check if any active property ends. - for (pi = 0; pi < text_props_active; ++pi) - { - int tpi = text_prop_idxs[pi]; - - if (bcol >= text_props[tpi].tp_col - 1 - + text_props[tpi].tp_len) - { - if (pi + 1 < text_props_active) - mch_memmove(text_prop_idxs + pi, - text_prop_idxs + pi + 1, - sizeof(int) - * (text_props_active - (pi + 1))); - --text_props_active; - --pi; - } - } - - // Add any text property that starts in this column. - while (text_prop_next < text_prop_count - && bcol >= text_props[text_prop_next].tp_col - 1) - text_prop_idxs[text_props_active++] = text_prop_next++; - - text_prop_attr = 0; - text_prop_combine = FALSE; - if (text_props_active > 0) - { - // Sort the properties on priority and/or starting last. - // Then combine the attributes, highest priority last. - current_text_props = text_props; - current_buf = wp->w_buffer; - qsort((void *)text_prop_idxs, (size_t)text_props_active, - sizeof(int), text_prop_compare); - - for (pi = 0; pi < text_props_active; ++pi) - { - int tpi = text_prop_idxs[pi]; - proptype_T *pt = text_prop_type_by_id( - wp->w_buffer, text_props[tpi].tp_type); - - if (pt != NULL && pt->pt_hl_id > 0) - { - int pt_attr = syn_id2attr(pt->pt_hl_id); - - text_prop_type = pt; - text_prop_attr = - hl_combine_attr(text_prop_attr, pt_attr); - text_prop_combine = pt->pt_flags & PT_FLAG_COMBINE; - } - } - } - } -#endif - - /* Decide which of the highlight attributes to use. */ - attr_pri = TRUE; -#ifdef LINE_ATTR - if (area_attr != 0) - char_attr = hl_combine_attr(line_attr, area_attr); - else if (search_attr != 0) - char_attr = hl_combine_attr(line_attr, search_attr); -# ifdef FEAT_TEXT_PROP - else if (text_prop_type != NULL) - { - char_attr = hl_combine_attr( - line_attr != 0 ? line_attr : win_attr, text_prop_attr); - } -# endif - else if (line_attr != 0 && ((fromcol == -10 && tocol == MAXCOL) - || vcol < fromcol || vcol_prev < fromcol_prev - || vcol >= tocol)) - { - // Use line_attr when not in the Visual or 'incsearch' area - // (area_attr may be 0 when "noinvcur" is set). - char_attr = line_attr; - attr_pri = FALSE; - } -#else - if (area_attr != 0) - char_attr = area_attr; - else if (search_attr != 0) - char_attr = search_attr; -#endif - else - { - attr_pri = FALSE; -#ifdef FEAT_TEXT_PROP - if (text_prop_type != NULL) - { - if (text_prop_combine) - char_attr = hl_combine_attr( - syntax_attr, text_prop_attr); - else - char_attr = hl_combine_attr( - win_attr, text_prop_attr); - } - else -#endif -#ifdef FEAT_SYN_HL - if (has_syntax) - char_attr = syntax_attr; - else -#endif - char_attr = 0; - } - } - if (char_attr == 0) - char_attr = win_attr; - - /* - * Get the next character to put on the screen. - */ - /* - * The "p_extra" points to the extra stuff that is inserted to - * represent special characters (non-printable stuff) and other - * things. When all characters are the same, c_extra is used. - * If c_final is set, it will compulsorily be used at the end. - * "p_extra" must end in a NUL to avoid mb_ptr2len() reads past - * "p_extra[n_extra]". - * For the '$' of the 'list' option, n_extra == 1, p_extra == "". - */ - if (n_extra > 0) - { - if (c_extra != NUL || (n_extra == 1 && c_final != NUL)) - { - c = (n_extra == 1 && c_final != NUL) ? c_final : c_extra; - mb_c = c; /* doesn't handle non-utf-8 multi-byte! */ - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - else - mb_utf8 = FALSE; - } - else - { - c = *p_extra; - if (has_mbyte) - { - mb_c = c; - if (enc_utf8) - { - /* If the UTF-8 character is more than one byte: - * Decode it into "mb_c". */ - mb_l = utfc_ptr2len(p_extra); - mb_utf8 = FALSE; - if (mb_l > n_extra) - mb_l = 1; - else if (mb_l > 1) - { - mb_c = utfc_ptr2char(p_extra, u8cc); - mb_utf8 = TRUE; - c = 0xc0; - } - } - else - { - /* if this is a DBCS character, put it in "mb_c" */ - mb_l = MB_BYTE2LEN(c); - if (mb_l >= n_extra) - mb_l = 1; - else if (mb_l > 1) - mb_c = (c << 8) + p_extra[1]; - } - if (mb_l == 0) /* at the NUL at end-of-line */ - mb_l = 1; - - /* If a double-width char doesn't fit display a '>' in the - * last column. */ - if (( -# ifdef FEAT_RIGHTLEFT - wp->w_p_rl ? (col <= 0) : -# endif - (col >= wp->w_width - 1)) - && (*mb_char2cells)(mb_c) == 2) - { - c = '>'; - mb_c = c; - mb_l = 1; - mb_utf8 = FALSE; - multi_attr = HL_ATTR(HLF_AT); -#ifdef FEAT_SYN_HL - if (cul_attr) - multi_attr = hl_combine_attr(multi_attr, cul_attr); -#endif - /* put the pointer back to output the double-width - * character at the start of the next line. */ - ++n_extra; - --p_extra; - } - else - { - n_extra -= mb_l - 1; - p_extra += mb_l - 1; - } - } - ++p_extra; - } - --n_extra; - } - else - { -#ifdef FEAT_LINEBREAK - int c0; -#endif - - if (p_extra_free != NULL) - VIM_CLEAR(p_extra_free); - /* - * Get a character from the line itself. - */ - c = *ptr; -#ifdef FEAT_LINEBREAK - c0 = *ptr; -#endif - if (has_mbyte) - { - mb_c = c; - if (enc_utf8) - { - /* If the UTF-8 character is more than one byte: Decode it - * into "mb_c". */ - mb_l = utfc_ptr2len(ptr); - mb_utf8 = FALSE; - if (mb_l > 1) - { - mb_c = utfc_ptr2char(ptr, u8cc); - /* Overlong encoded ASCII or ASCII with composing char - * is displayed normally, except a NUL. */ - if (mb_c < 0x80) - { - c = mb_c; -#ifdef FEAT_LINEBREAK - c0 = mb_c; -#endif - } - mb_utf8 = TRUE; - - /* At start of the line we can have a composing char. - * Draw it as a space with a composing char. */ - if (utf_iscomposing(mb_c)) - { - int i; - - for (i = Screen_mco - 1; i > 0; --i) - u8cc[i] = u8cc[i - 1]; - u8cc[0] = mb_c; - mb_c = ' '; - } - } - - if ((mb_l == 1 && c >= 0x80) - || (mb_l >= 1 && mb_c == 0) - || (mb_l > 1 && (!vim_isprintc(mb_c)))) - { - /* - * Illegal UTF-8 byte: display as <xx>. - * Non-BMP character : display as ? or fullwidth ?. - */ - transchar_hex(extra, mb_c); -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) /* reverse */ - rl_mirror(extra); -# endif - p_extra = extra; - c = *p_extra; - mb_c = mb_ptr2char_adv(&p_extra); - mb_utf8 = (c >= 0x80); - n_extra = (int)STRLEN(p_extra); - c_extra = NUL; - c_final = NUL; - if (area_attr == 0 && search_attr == 0) - { - n_attr = n_extra + 1; - extra_attr = HL_ATTR(HLF_8); - saved_attr2 = char_attr; /* save current attr */ - } - } - else if (mb_l == 0) /* at the NUL at end-of-line */ - mb_l = 1; -#ifdef FEAT_ARABIC - else if (p_arshape && !p_tbidi && ARABIC_CHAR(mb_c)) - { - /* Do Arabic shaping. */ - int pc, pc1, nc; - int pcc[MAX_MCO]; - - /* The idea of what is the previous and next - * character depends on 'rightleft'. */ - if (wp->w_p_rl) - { - pc = prev_c; - pc1 = prev_c1; - nc = utf_ptr2char(ptr + mb_l); - prev_c1 = u8cc[0]; - } - else - { - pc = utfc_ptr2char(ptr + mb_l, pcc); - nc = prev_c; - pc1 = pcc[0]; - } - prev_c = mb_c; - - mb_c = arabic_shape(mb_c, &c, &u8cc[0], pc, pc1, nc); - } - else - prev_c = mb_c; -#endif - } - else /* enc_dbcs */ - { - mb_l = MB_BYTE2LEN(c); - if (mb_l == 0) /* at the NUL at end-of-line */ - mb_l = 1; - else if (mb_l > 1) - { - /* We assume a second byte below 32 is illegal. - * Hopefully this is OK for all double-byte encodings! - */ - if (ptr[1] >= 32) - mb_c = (c << 8) + ptr[1]; - else - { - if (ptr[1] == NUL) - { - /* head byte at end of line */ - mb_l = 1; - transchar_nonprint(extra, c); - } - else - { - /* illegal tail byte */ - mb_l = 2; - STRCPY(extra, "XX"); - } - p_extra = extra; - n_extra = (int)STRLEN(extra) - 1; - c_extra = NUL; - c_final = NUL; - c = *p_extra++; - if (area_attr == 0 && search_attr == 0) - { - n_attr = n_extra + 1; - extra_attr = HL_ATTR(HLF_8); - saved_attr2 = char_attr; /* save current attr */ - } - mb_c = c; - } - } - } - /* If a double-width char doesn't fit display a '>' in the - * last column; the character is displayed at the start of the - * next line. */ - if (( -# ifdef FEAT_RIGHTLEFT - wp->w_p_rl ? (col <= 0) : -# endif - (col >= wp->w_width - 1)) - && (*mb_char2cells)(mb_c) == 2) - { - c = '>'; - mb_c = c; - mb_utf8 = FALSE; - mb_l = 1; - multi_attr = HL_ATTR(HLF_AT); - // Put pointer back so that the character will be - // displayed at the start of the next line. - --ptr; -#ifdef FEAT_CONCEAL - did_decrement_ptr = TRUE; -#endif - } - else if (*ptr != NUL) - ptr += mb_l - 1; - - /* If a double-width char doesn't fit at the left side display - * a '<' in the first column. Don't do this for unprintable - * characters. */ - if (n_skip > 0 && mb_l > 1 && n_extra == 0) - { - n_extra = 1; - c_extra = MB_FILLER_CHAR; - c_final = NUL; - c = ' '; - if (area_attr == 0 && search_attr == 0) - { - n_attr = n_extra + 1; - extra_attr = HL_ATTR(HLF_AT); - saved_attr2 = char_attr; /* save current attr */ - } - mb_c = c; - mb_utf8 = FALSE; - mb_l = 1; - } - - } - ++ptr; - - if (extra_check) - { -#ifdef FEAT_SPELL - int can_spell = TRUE; -#endif - -#ifdef FEAT_TERMINAL - if (get_term_attr) - { - syntax_attr = term_get_attr(wp->w_buffer, lnum, vcol); - - if (!attr_pri) - char_attr = syntax_attr; - else - char_attr = hl_combine_attr(syntax_attr, char_attr); - } -#endif - -#ifdef FEAT_SYN_HL - // Get syntax attribute, unless still at the start of the line - // (double-wide char that doesn't fit). - v = (long)(ptr - line); - if (has_syntax && v > 0) - { - /* Get the syntax attribute for the character. If there - * is an error, disable syntax highlighting. */ - save_did_emsg = did_emsg; - did_emsg = FALSE; - - syntax_attr = get_syntax_attr((colnr_T)v - 1, -# ifdef FEAT_SPELL - has_spell ? &can_spell : -# endif - NULL, FALSE); - - if (did_emsg) - { - wp->w_s->b_syn_error = TRUE; - has_syntax = FALSE; - syntax_attr = 0; - } - else - did_emsg = save_did_emsg; - - // combine syntax attribute with 'wincolor' - if (win_attr != 0) - syntax_attr = hl_combine_attr(win_attr, syntax_attr); - -# ifdef SYN_TIME_LIMIT - if (wp->w_s->b_syn_slow) - has_syntax = FALSE; -# endif - - /* Need to get the line again, a multi-line regexp may - * have made it invalid. */ - line = ml_get_buf(wp->w_buffer, lnum, FALSE); - ptr = line + v; - -# ifdef FEAT_TEXT_PROP - // Text properties overrule syntax highlighting or combine. - if (text_prop_attr == 0 || text_prop_combine) -# endif - { - int comb_attr = syntax_attr; -# ifdef FEAT_TEXT_PROP - comb_attr = hl_combine_attr(text_prop_attr, comb_attr); -# endif - if (!attr_pri) - { -#ifdef FEAT_SYN_HL - if (cul_attr) - char_attr = hl_combine_attr( - comb_attr, cul_attr); - else -#endif - if (line_attr) - char_attr = hl_combine_attr( - comb_attr, line_attr); - else - char_attr = comb_attr; - } - else - char_attr = hl_combine_attr(comb_attr, char_attr); - } -# ifdef FEAT_CONCEAL - // no concealing past the end of the line, it interferes - // with line highlighting - if (c == NUL) - syntax_flags = 0; - else - syntax_flags = get_syntax_info(&syntax_seqnr); -# endif - } -#endif - -#ifdef FEAT_SPELL - /* Check spelling (unless at the end of the line). - * Only do this when there is no syntax highlighting, the - * @Spell cluster is not used or the current syntax item - * contains the @Spell cluster. */ - if (has_spell && v >= word_end && v > cur_checked_col) - { - spell_attr = 0; - if (c != 0 && ( -# ifdef FEAT_SYN_HL - !has_syntax || -# endif - can_spell)) - { - char_u *prev_ptr, *p; - int len; - hlf_T spell_hlf = HLF_COUNT; - if (has_mbyte) - { - prev_ptr = ptr - mb_l; - v -= mb_l - 1; - } - else - prev_ptr = ptr - 1; - - /* Use nextline[] if possible, it has the start of the - * next line concatenated. */ - if ((prev_ptr - line) - nextlinecol >= 0) - p = nextline + (prev_ptr - line) - nextlinecol; - else - p = prev_ptr; - cap_col -= (int)(prev_ptr - line); - len = spell_check(wp, p, &spell_hlf, &cap_col, - nochange); - word_end = v + len; - - /* In Insert mode only highlight a word that - * doesn't touch the cursor. */ - if (spell_hlf != HLF_COUNT - && (State & INSERT) != 0 - && wp->w_cursor.lnum == lnum - && wp->w_cursor.col >= - (colnr_T)(prev_ptr - line) - && wp->w_cursor.col < (colnr_T)word_end) - { - spell_hlf = HLF_COUNT; - spell_redraw_lnum = lnum; - } - - if (spell_hlf == HLF_COUNT && p != prev_ptr - && (p - nextline) + len > nextline_idx) - { - /* Remember that the good word continues at the - * start of the next line. */ - checked_lnum = lnum + 1; - checked_col = (int)((p - nextline) + len - nextline_idx); - } - - /* Turn index into actual attributes. */ - if (spell_hlf != HLF_COUNT) - spell_attr = highlight_attr[spell_hlf]; - - if (cap_col > 0) - { - if (p != prev_ptr - && (p - nextline) + cap_col >= nextline_idx) - { - /* Remember that the word in the next line - * must start with a capital. */ - capcol_lnum = lnum + 1; - cap_col = (int)((p - nextline) + cap_col - - nextline_idx); - } - else - /* Compute the actual column. */ - cap_col += (int)(prev_ptr - line); - } - } - } - if (spell_attr != 0) - { - if (!attr_pri) - char_attr = hl_combine_attr(char_attr, spell_attr); - else - char_attr = hl_combine_attr(spell_attr, char_attr); - } -#endif -#ifdef FEAT_LINEBREAK - /* - * Found last space before word: check for line break. - */ - if (wp->w_p_lbr && c0 == c - && VIM_ISBREAK(c) && !VIM_ISBREAK((int)*ptr)) - { - int mb_off = has_mbyte ? (*mb_head_off)(line, ptr - 1) : 0; - char_u *p = ptr - (mb_off + 1); - - /* TODO: is passing p for start of the line OK? */ - n_extra = win_lbr_chartabsize(wp, line, p, (colnr_T)vcol, - NULL) - 1; - if (c == TAB && n_extra + col > wp->w_width) -# ifdef FEAT_VARTABS - n_extra = tabstop_padding(vcol, wp->w_buffer->b_p_ts, - wp->w_buffer->b_p_vts_array) - 1; -# else - n_extra = (int)wp->w_buffer->b_p_ts - - vcol % (int)wp->w_buffer->b_p_ts - 1; -# endif - - c_extra = mb_off > 0 ? MB_FILLER_CHAR : ' '; - c_final = NUL; - if (VIM_ISWHITE(c)) - { -#ifdef FEAT_CONCEAL - if (c == TAB) - /* See "Tab alignment" below. */ - FIX_FOR_BOGUSCOLS; -#endif - if (!wp->w_p_list) - c = ' '; - } - } -#endif - - // 'list': Change char 160 to lcs_nbsp and space to lcs_space. - // But not when the character is followed by a composing - // character (use mb_l to check that). - if (wp->w_p_list - && ((((c == 160 && mb_l == 1) - || (mb_utf8 - && ((mb_c == 160 && mb_l == 2) - || (mb_c == 0x202f && mb_l == 3)))) - && lcs_nbsp) - || (c == ' ' - && mb_l == 1 - && lcs_space - && ptr - line <= trailcol))) - { - c = (c == ' ') ? lcs_space : lcs_nbsp; - if (area_attr == 0 && search_attr == 0) - { - n_attr = 1; - extra_attr = HL_ATTR(HLF_8); - saved_attr2 = char_attr; /* save current attr */ - } - mb_c = c; - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - else - mb_utf8 = FALSE; - } - - if (trailcol != MAXCOL && ptr > line + trailcol && c == ' ') - { - c = lcs_trail; - if (!attr_pri) - { - n_attr = 1; - extra_attr = HL_ATTR(HLF_8); - saved_attr2 = char_attr; /* save current attr */ - } - mb_c = c; - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - else - mb_utf8 = FALSE; - } - } - - /* - * Handling of non-printable characters. - */ - if (!vim_isprintc(c)) - { - /* - * when getting a character from the file, we may have to - * turn it into something else on the way to putting it - * into "ScreenLines". - */ - if (c == TAB && (!wp->w_p_list || lcs_tab1)) - { - int tab_len = 0; - long vcol_adjusted = vcol; /* removed showbreak length */ -#ifdef FEAT_LINEBREAK - /* only adjust the tab_len, when at the first column - * after the showbreak value was drawn */ - if (*p_sbr != NUL && vcol == vcol_sbr && wp->w_p_wrap) - vcol_adjusted = vcol - MB_CHARLEN(p_sbr); -#endif - // tab amount depends on current column -#ifdef FEAT_VARTABS - tab_len = tabstop_padding(vcol_adjusted, - wp->w_buffer->b_p_ts, - wp->w_buffer->b_p_vts_array) - 1; -#else - tab_len = (int)wp->w_buffer->b_p_ts - - vcol_adjusted % (int)wp->w_buffer->b_p_ts - 1; -#endif - -#ifdef FEAT_LINEBREAK - if (!wp->w_p_lbr || !wp->w_p_list) -#endif - // tab amount depends on current column - n_extra = tab_len; -#ifdef FEAT_LINEBREAK - else - { - char_u *p; - int len; - int i; - int saved_nextra = n_extra; - -#ifdef FEAT_CONCEAL - if (vcol_off > 0) - // there are characters to conceal - tab_len += vcol_off; - // boguscols before FIX_FOR_BOGUSCOLS macro from above - if (wp->w_p_list && lcs_tab1 && old_boguscols > 0 - && n_extra > tab_len) - tab_len += n_extra - tab_len; -#endif - - // if n_extra > 0, it gives the number of chars, to - // use for a tab, else we need to calculate the width - // for a tab - len = (tab_len * mb_char2len(lcs_tab2)); - if (n_extra > 0) - len += n_extra - tab_len; - c = lcs_tab1; - p = alloc(len + 1); - vim_memset(p, ' ', len); - p[len] = NUL; - vim_free(p_extra_free); - p_extra_free = p; - for (i = 0; i < tab_len; i++) - { - int lcs = lcs_tab2; - - if (*p == NUL) - { - tab_len = i; - break; - } - - // if lcs_tab3 is given, need to change the char - // for tab - if (lcs_tab3 && i == tab_len - 1) - lcs = lcs_tab3; - mb_char2bytes(lcs, p); - p += mb_char2len(lcs); - n_extra += mb_char2len(lcs) - - (saved_nextra > 0 ? 1 : 0); - } - p_extra = p_extra_free; -#ifdef FEAT_CONCEAL - // n_extra will be increased by FIX_FOX_BOGUSCOLS - // macro below, so need to adjust for that here - if (vcol_off > 0) - n_extra -= vcol_off; -#endif - } -#endif -#ifdef FEAT_CONCEAL - { - int vc_saved = vcol_off; - - /* Tab alignment should be identical regardless of - * 'conceallevel' value. So tab compensates of all - * previous concealed characters, and thus resets - * vcol_off and boguscols accumulated so far in the - * line. Note that the tab can be longer than - * 'tabstop' when there are concealed characters. */ - FIX_FOR_BOGUSCOLS; - - /* Make sure, the highlighting for the tab char will be - * correctly set further below (effectively reverts the - * FIX_FOR_BOGSUCOLS macro */ - if (n_extra == tab_len + vc_saved && wp->w_p_list - && lcs_tab1) - tab_len += vc_saved; - } -#endif - mb_utf8 = FALSE; /* don't draw as UTF-8 */ - if (wp->w_p_list) - { - c = (n_extra == 0 && lcs_tab3) ? lcs_tab3 : lcs_tab1; -#ifdef FEAT_LINEBREAK - if (wp->w_p_lbr) - c_extra = NUL; /* using p_extra from above */ - else -#endif - c_extra = lcs_tab2; - c_final = lcs_tab3; - n_attr = tab_len + 1; - extra_attr = HL_ATTR(HLF_8); - saved_attr2 = char_attr; /* save current attr */ - mb_c = c; - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - } - else - { - c_final = NUL; - c_extra = ' '; - c = ' '; - } - } - else if (c == NUL - && (wp->w_p_list - || ((fromcol >= 0 || fromcol_prev >= 0) - && tocol > vcol - && VIsual_mode != Ctrl_V - && ( -# ifdef FEAT_RIGHTLEFT - wp->w_p_rl ? (col >= 0) : -# endif - (col < wp->w_width)) - && !(noinvcur - && lnum == wp->w_cursor.lnum - && (colnr_T)vcol == wp->w_virtcol))) - && lcs_eol_one > 0) - { - /* Display a '$' after the line or highlight an extra - * character if the line break is included. */ -#if defined(FEAT_DIFF) || defined(LINE_ATTR) - /* For a diff line the highlighting continues after the - * "$". */ - if ( -# ifdef FEAT_DIFF - diff_hlf == (hlf_T)0 -# ifdef LINE_ATTR - && -# endif -# endif -# ifdef LINE_ATTR - line_attr == 0 -# endif - ) -#endif - { - /* In virtualedit, visual selections may extend - * beyond end of line. */ - if (area_highlighting && virtual_active() - && tocol != MAXCOL && vcol < tocol) - n_extra = 0; - else - { - p_extra = at_end_str; - n_extra = 1; - c_extra = NUL; - c_final = NUL; - } - } - if (wp->w_p_list && lcs_eol > 0) - c = lcs_eol; - else - c = ' '; - lcs_eol_one = -1; - --ptr; /* put it back at the NUL */ - if (!attr_pri) - { - extra_attr = HL_ATTR(HLF_AT); - n_attr = 1; - } - mb_c = c; - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - else - mb_utf8 = FALSE; /* don't draw as UTF-8 */ - } - else if (c != NUL) - { - p_extra = transchar(c); - if (n_extra == 0) - n_extra = byte2cells(c) - 1; -#ifdef FEAT_RIGHTLEFT - if ((dy_flags & DY_UHEX) && wp->w_p_rl) - rl_mirror(p_extra); /* reverse "<12>" */ -#endif - c_extra = NUL; - c_final = NUL; -#ifdef FEAT_LINEBREAK - if (wp->w_p_lbr) - { - char_u *p; - - c = *p_extra; - p = alloc(n_extra + 1); - vim_memset(p, ' ', n_extra); - STRNCPY(p, p_extra + 1, STRLEN(p_extra) - 1); - p[n_extra] = NUL; - vim_free(p_extra_free); - p_extra_free = p_extra = p; - } - else -#endif - { - n_extra = byte2cells(c) - 1; - c = *p_extra++; - } - if (!attr_pri) - { - n_attr = n_extra + 1; - extra_attr = HL_ATTR(HLF_8); - saved_attr2 = char_attr; /* save current attr */ - } - mb_utf8 = FALSE; /* don't draw as UTF-8 */ - } - else if (VIsual_active - && (VIsual_mode == Ctrl_V - || VIsual_mode == 'v') - && virtual_active() - && tocol != MAXCOL - && vcol < tocol - && ( -#ifdef FEAT_RIGHTLEFT - wp->w_p_rl ? (col >= 0) : -#endif - (col < wp->w_width))) - { - c = ' '; - --ptr; /* put it back at the NUL */ - } -#if defined(LINE_ATTR) - else if (( -# ifdef FEAT_DIFF - diff_hlf != (hlf_T)0 || -# endif -# ifdef FEAT_TERMINAL - win_attr != 0 || -# endif - line_attr != 0 - ) && ( -# ifdef FEAT_RIGHTLEFT - wp->w_p_rl ? (col >= 0) : -# endif - (col -# ifdef FEAT_CONCEAL - - boguscols -# endif - < wp->w_width))) - { - /* Highlight until the right side of the window */ - c = ' '; - --ptr; /* put it back at the NUL */ - - /* Remember we do the char for line highlighting. */ - ++did_line_attr; - - /* don't do search HL for the rest of the line */ - if (line_attr != 0 && char_attr == search_attr - && (did_line_attr > 1 - || (wp->w_p_list && lcs_eol > 0))) - char_attr = line_attr; -# ifdef FEAT_DIFF - if (diff_hlf == HLF_TXD) - { - diff_hlf = HLF_CHD; - if (vi_attr == 0 || char_attr != vi_attr) - { - char_attr = HL_ATTR(diff_hlf); - if (wp->w_p_cul && lnum == wp->w_cursor.lnum - && wp->w_p_culopt_flags != CULOPT_NBR - && (!cul_screenline - || (vcol >= left_curline_col - && vcol <= right_curline_col))) - char_attr = hl_combine_attr( - char_attr, HL_ATTR(HLF_CUL)); - } - } -# endif -# ifdef FEAT_TERMINAL - if (win_attr != 0) - { - char_attr = win_attr; - if (wp->w_p_cul && lnum == wp->w_cursor.lnum) - { - if (!cul_screenline || (vcol >= left_curline_col - && vcol <= right_curline_col)) - char_attr = hl_combine_attr( - char_attr, HL_ATTR(HLF_CUL)); - } - else if (line_attr) - char_attr = hl_combine_attr(char_attr, line_attr); - } -# endif - } -#endif - } - -#ifdef FEAT_CONCEAL - if ( wp->w_p_cole > 0 - && (wp != curwin || lnum != wp->w_cursor.lnum || - conceal_cursor_line(wp)) - && ((syntax_flags & HL_CONCEAL) != 0 || has_match_conc > 0) - && !(lnum_in_visual_area - && vim_strchr(wp->w_p_cocu, 'v') == NULL)) - { - char_attr = conceal_attr; - if ((prev_syntax_id != syntax_seqnr || has_match_conc > 1) - && (syn_get_sub_char() != NUL || match_conc - || wp->w_p_cole == 1) - && wp->w_p_cole != 3) - { - /* First time at this concealed item: display one - * character. */ - if (match_conc) - c = match_conc; - else if (syn_get_sub_char() != NUL) - c = syn_get_sub_char(); - else if (lcs_conceal != NUL) - c = lcs_conceal; - else - c = ' '; - - prev_syntax_id = syntax_seqnr; - - if (n_extra > 0) - vcol_off += n_extra; - vcol += n_extra; - if (wp->w_p_wrap && n_extra > 0) - { -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - col -= n_extra; - boguscols -= n_extra; - } - else -# endif - { - boguscols += n_extra; - col += n_extra; - } - } - n_extra = 0; - n_attr = 0; - } - else if (n_skip == 0) - { - is_concealing = TRUE; - n_skip = 1; - } - mb_c = c; - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - else - mb_utf8 = FALSE; /* don't draw as UTF-8 */ - } - else - { - prev_syntax_id = 0; - is_concealing = FALSE; - } - - if (n_skip > 0 && did_decrement_ptr) - // not showing the '>', put pointer back to avoid getting stuck - ++ptr; - -#endif // FEAT_CONCEAL - } - -#ifdef FEAT_CONCEAL - /* In the cursor line and we may be concealing characters: correct - * the cursor column when we reach its position. */ - if (!did_wcol && draw_state == WL_LINE - && wp == curwin && lnum == wp->w_cursor.lnum - && conceal_cursor_line(wp) - && (int)wp->w_virtcol <= vcol + n_skip) - { -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - wp->w_wcol = wp->w_width - col + boguscols - 1; - else -# endif - wp->w_wcol = col - boguscols; - wp->w_wrow = row; - did_wcol = TRUE; - curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL; - } -#endif - - /* Don't override visual selection highlighting. */ - if (n_attr > 0 - && draw_state == WL_LINE - && !attr_pri) - { -#ifdef LINE_ATTR - if (line_attr) - char_attr = hl_combine_attr(extra_attr, line_attr); - else -#endif - char_attr = extra_attr; - } - -#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) - /* XIM don't send preedit_start and preedit_end, but they send - * preedit_changed and commit. Thus Vim can't set "im_is_active", use - * im_is_preediting() here. */ - if (p_imst == IM_ON_THE_SPOT - && xic != NULL - && lnum == wp->w_cursor.lnum - && (State & INSERT) - && !p_imdisable - && im_is_preediting() - && draw_state == WL_LINE) - { - colnr_T tcol; - - if (preedit_end_col == MAXCOL) - getvcol(curwin, &(wp->w_cursor), &tcol, NULL, NULL); - else - tcol = preedit_end_col; - if ((long)preedit_start_col <= vcol && vcol < (long)tcol) - { - if (feedback_old_attr < 0) - { - feedback_col = 0; - feedback_old_attr = char_attr; - } - char_attr = im_get_feedback_attr(feedback_col); - if (char_attr < 0) - char_attr = feedback_old_attr; - feedback_col++; - } - else if (feedback_old_attr >= 0) - { - char_attr = feedback_old_attr; - feedback_old_attr = -1; - feedback_col = 0; - } - } -#endif - /* - * Handle the case where we are in column 0 but not on the first - * character of the line and the user wants us to show us a - * special character (via 'listchars' option "precedes:<char>". - */ - if (lcs_prec_todo != NUL - && wp->w_p_list - && (wp->w_p_wrap ? wp->w_skipcol > 0 : wp->w_leftcol > 0) -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - && draw_state > WL_NR - && c != NUL) - { - c = lcs_prec; - lcs_prec_todo = NUL; - if (has_mbyte && (*mb_char2cells)(mb_c) > 1) - { - /* Double-width character being overwritten by the "precedes" - * character, need to fill up half the character. */ - c_extra = MB_FILLER_CHAR; - c_final = NUL; - n_extra = 1; - n_attr = 2; - extra_attr = HL_ATTR(HLF_AT); - } - mb_c = c; - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - else - mb_utf8 = FALSE; /* don't draw as UTF-8 */ - if (!attr_pri) - { - saved_attr3 = char_attr; /* save current attr */ - char_attr = HL_ATTR(HLF_AT); /* later copied to char_attr */ - n_attr3 = 1; - } - } - - /* - * At end of the text line or just after the last character. - */ - if ((c == NUL -#if defined(LINE_ATTR) - || did_line_attr == 1 -#endif - ) && eol_hl_off == 0) - { -#ifdef FEAT_SEARCH_EXTRA - // flag to indicate whether prevcol equals startcol of search_hl or - // one of the matches - int prevcol_hl_flag = get_prevcol_hl_flag(wp, &search_hl, - (long)(ptr - line) - (c == NUL)); -#endif - // Invert at least one char, used for Visual and empty line or - // highlight match at end of line. If it's beyond the last - // char on the screen, just overwrite that one (tricky!) Not - // needed when a '$' was displayed for 'list'. - if (lcs_eol == lcs_eol_one - && ((area_attr != 0 && vcol == fromcol - && (VIsual_mode != Ctrl_V - || lnum == VIsual.lnum - || lnum == curwin->w_cursor.lnum) - && c == NUL) -#ifdef FEAT_SEARCH_EXTRA - // highlight 'hlsearch' match at end of line - || (prevcol_hl_flag -# ifdef FEAT_SYN_HL - && !(wp->w_p_cul && lnum == wp->w_cursor.lnum - && !(wp == curwin && VIsual_active)) -# endif -# ifdef FEAT_DIFF - && diff_hlf == (hlf_T)0 -# endif -# if defined(LINE_ATTR) - && did_line_attr <= 1 -# endif - ) -#endif - )) - { - int n = 0; - -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - if (col < 0) - n = 1; - } - else -#endif - { - if (col >= wp->w_width) - n = -1; - } - if (n != 0) - { - /* At the window boundary, highlight the last character - * instead (better than nothing). */ - off += n; - col += n; - } - else - { - /* Add a blank character to highlight. */ - ScreenLines[off] = ' '; - if (enc_utf8) - ScreenLinesUC[off] = 0; - } -#ifdef FEAT_SEARCH_EXTRA - if (area_attr == 0) - { - // Use attributes from match with highest priority among - // 'search_hl' and the match list. - get_search_match_hl(wp, &search_hl, - (long)(ptr - line), &char_attr); - } -#endif - ScreenAttrs[off] = char_attr; -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - --col; - --off; - } - else -#endif - { - ++col; - ++off; - } - ++vcol; - eol_hl_off = 1; - } - } - - /* - * At end of the text line. - */ - if (c == NUL) - { -#ifdef FEAT_SYN_HL - /* Highlight 'cursorcolumn' & 'colorcolumn' past end of the line. */ - if (wp->w_p_wrap) - v = wp->w_skipcol; - else - v = wp->w_leftcol; - - /* check if line ends before left margin */ - if (vcol < v + col - win_col_off(wp)) - vcol = v + col - win_col_off(wp); -#ifdef FEAT_CONCEAL - // Get rid of the boguscols now, we want to draw until the right - // edge for 'cursorcolumn'. - col -= boguscols; - boguscols = 0; -#endif - - if (draw_color_col) - draw_color_col = advance_color_col(VCOL_HLC, &color_cols); - - if (((wp->w_p_cuc - && (int)wp->w_virtcol >= VCOL_HLC - eol_hl_off - && (int)wp->w_virtcol < - wp->w_width * (row - startrow + 1) + v - && lnum != wp->w_cursor.lnum) - || draw_color_col - || win_attr != 0) -# ifdef FEAT_RIGHTLEFT - && !wp->w_p_rl -# endif - ) - { - int rightmost_vcol = 0; - int i; - - if (wp->w_p_cuc) - rightmost_vcol = wp->w_virtcol; - if (draw_color_col) - /* determine rightmost colorcolumn to possibly draw */ - for (i = 0; color_cols[i] >= 0; ++i) - if (rightmost_vcol < color_cols[i]) - rightmost_vcol = color_cols[i]; - - while (col < wp->w_width) - { - ScreenLines[off] = ' '; - if (enc_utf8) - ScreenLinesUC[off] = 0; - ++col; - if (draw_color_col) - draw_color_col = advance_color_col(VCOL_HLC, - &color_cols); - - if (wp->w_p_cuc && VCOL_HLC == (long)wp->w_virtcol) - ScreenAttrs[off++] = HL_ATTR(HLF_CUC); - else if (draw_color_col && VCOL_HLC == *color_cols) - ScreenAttrs[off++] = HL_ATTR(HLF_MC); - else - ScreenAttrs[off++] = win_attr; - - if (VCOL_HLC >= rightmost_vcol && win_attr == 0) - break; - - ++vcol; - } - } -#endif - - screen_line(screen_row, wp->w_wincol, col, - (int)wp->w_width, screen_line_flags); - row++; - - /* - * Update w_cline_height and w_cline_folded if the cursor line was - * updated (saves a call to plines() later). - */ - if (wp == curwin && lnum == curwin->w_cursor.lnum) - { - curwin->w_cline_row = startrow; - curwin->w_cline_height = row - startrow; -#ifdef FEAT_FOLDING - curwin->w_cline_folded = FALSE; -#endif - curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); - } - - break; - } - - // Show "extends" character from 'listchars' if beyond the line end and - // 'list' is set. - if (lcs_ext != NUL - && wp->w_p_list - && !wp->w_p_wrap -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - && ( -#ifdef FEAT_RIGHTLEFT - wp->w_p_rl ? col == 0 : -#endif - col == wp->w_width - 1) - && (*ptr != NUL - || (wp->w_p_list && lcs_eol_one > 0) - || (n_extra && (c_extra != NUL || *p_extra != NUL)))) - { - c = lcs_ext; - char_attr = HL_ATTR(HLF_AT); - mb_c = c; - if (enc_utf8 && utf_char2len(c) > 1) - { - mb_utf8 = TRUE; - u8cc[0] = 0; - c = 0xc0; - } - else - mb_utf8 = FALSE; - } - -#ifdef FEAT_SYN_HL - /* advance to the next 'colorcolumn' */ - if (draw_color_col) - draw_color_col = advance_color_col(VCOL_HLC, &color_cols); - - /* Highlight the cursor column if 'cursorcolumn' is set. But don't - * highlight the cursor position itself. - * Also highlight the 'colorcolumn' if it is different than - * 'cursorcolumn' */ - vcol_save_attr = -1; - if (draw_state == WL_LINE && !lnum_in_visual_area - && search_attr == 0 && area_attr == 0) - { - if (wp->w_p_cuc && VCOL_HLC == (long)wp->w_virtcol - && lnum != wp->w_cursor.lnum) - { - vcol_save_attr = char_attr; - char_attr = hl_combine_attr(char_attr, HL_ATTR(HLF_CUC)); - } - else if (draw_color_col && VCOL_HLC == *color_cols) - { - vcol_save_attr = char_attr; - char_attr = hl_combine_attr(char_attr, HL_ATTR(HLF_MC)); - } - } -#endif - - /* - * Store character to be displayed. - * Skip characters that are left of the screen for 'nowrap'. - */ - vcol_prev = vcol; - if (draw_state < WL_LINE || n_skip <= 0) - { - /* - * Store the character. - */ -#if defined(FEAT_RIGHTLEFT) - if (has_mbyte && wp->w_p_rl && (*mb_char2cells)(mb_c) > 1) - { - /* A double-wide character is: put first halve in left cell. */ - --off; - --col; - } -#endif - ScreenLines[off] = c; - if (enc_dbcs == DBCS_JPNU) - { - if ((mb_c & 0xff00) == 0x8e00) - ScreenLines[off] = 0x8e; - ScreenLines2[off] = mb_c & 0xff; - } - else if (enc_utf8) - { - if (mb_utf8) - { - int i; - - ScreenLinesUC[off] = mb_c; - if ((c & 0xff) == 0) - ScreenLines[off] = 0x80; /* avoid storing zero */ - for (i = 0; i < Screen_mco; ++i) - { - ScreenLinesC[i][off] = u8cc[i]; - if (u8cc[i] == 0) - break; - } - } - else - ScreenLinesUC[off] = 0; - } - if (multi_attr) - { - ScreenAttrs[off] = multi_attr; - multi_attr = 0; - } - else - ScreenAttrs[off] = char_attr; - - if (has_mbyte && (*mb_char2cells)(mb_c) > 1) - { - /* Need to fill two screen columns. */ - ++off; - ++col; - if (enc_utf8) - /* UTF-8: Put a 0 in the second screen char. */ - ScreenLines[off] = 0; - else - /* DBCS: Put second byte in the second screen char. */ - ScreenLines[off] = mb_c & 0xff; - if (draw_state > WL_NR -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - ) - ++vcol; - /* When "tocol" is halfway a character, set it to the end of - * the character, otherwise highlighting won't stop. */ - if (tocol == vcol) - ++tocol; -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - /* now it's time to backup one cell */ - --off; - --col; - } -#endif - } -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - --off; - --col; - } - else -#endif - { - ++off; - ++col; - } - } -#ifdef FEAT_CONCEAL - else if (wp->w_p_cole > 0 && is_concealing) - { - --n_skip; - ++vcol_off; - if (n_extra > 0) - vcol_off += n_extra; - if (wp->w_p_wrap) - { - /* - * Special voodoo required if 'wrap' is on. - * - * Advance the column indicator to force the line - * drawing to wrap early. This will make the line - * take up the same screen space when parts are concealed, - * so that cursor line computations aren't messed up. - * - * To avoid the fictitious advance of 'col' causing - * trailing junk to be written out of the screen line - * we are building, 'boguscols' keeps track of the number - * of bad columns we have advanced. - */ - if (n_extra > 0) - { - vcol += n_extra; -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - col -= n_extra; - boguscols -= n_extra; - } - else -# endif - { - col += n_extra; - boguscols += n_extra; - } - n_extra = 0; - n_attr = 0; - } - - - if (has_mbyte && (*mb_char2cells)(mb_c) > 1) - { - /* Need to fill two screen columns. */ -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - --boguscols; - --col; - } - else -# endif - { - ++boguscols; - ++col; - } - } - -# ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - --boguscols; - --col; - } - else -# endif - { - ++boguscols; - ++col; - } - } - else - { - if (n_extra > 0) - { - vcol += n_extra; - n_extra = 0; - n_attr = 0; - } - } - - } -#endif /* FEAT_CONCEAL */ - else - --n_skip; - - /* Only advance the "vcol" when after the 'number' or 'relativenumber' - * column. */ - if (draw_state > WL_NR -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - ) - ++vcol; - -#ifdef FEAT_SYN_HL - if (vcol_save_attr >= 0) - char_attr = vcol_save_attr; -#endif - - /* restore attributes after "predeces" in 'listchars' */ - if (draw_state > WL_NR && n_attr3 > 0 && --n_attr3 == 0) - char_attr = saved_attr3; - - /* restore attributes after last 'listchars' or 'number' char */ - if (n_attr > 0 && draw_state == WL_LINE && --n_attr == 0) - char_attr = saved_attr2; - - /* - * At end of screen line and there is more to come: Display the line - * so far. If there is no more to display it is caught above. - */ - if (( -#ifdef FEAT_RIGHTLEFT - wp->w_p_rl ? (col < 0) : -#endif - (col >= wp->w_width)) - && (*ptr != NUL -#ifdef FEAT_DIFF - || filler_todo > 0 -#endif - || (wp->w_p_list && lcs_eol != NUL && p_extra != at_end_str) - || (n_extra != 0 && (c_extra != NUL || *p_extra != NUL))) - ) - { -#ifdef FEAT_CONCEAL - screen_line(screen_row, wp->w_wincol, col - boguscols, - (int)wp->w_width, screen_line_flags); - boguscols = 0; -#else - screen_line(screen_row, wp->w_wincol, col, - (int)wp->w_width, screen_line_flags); -#endif - ++row; - ++screen_row; - - /* When not wrapping and finished diff lines, or when displayed - * '$' and highlighting until last column, break here. */ - if ((!wp->w_p_wrap -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - ) || lcs_eol_one == -1) - break; - - /* When the window is too narrow draw all "@" lines. */ - if (draw_state != WL_LINE -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - ) - { - win_draw_end(wp, '@', ' ', TRUE, row, wp->w_height, HLF_AT); - draw_vsep_win(wp, row); - row = endrow; - } - - /* When line got too long for screen break here. */ - if (row == endrow) - { - ++row; - break; - } - - if (screen_cur_row == screen_row - 1 -#ifdef FEAT_DIFF - && filler_todo <= 0 -#endif - && wp->w_width == Columns) - { - /* Remember that the line wraps, used for modeless copy. */ - LineWraps[screen_row - 1] = TRUE; - - /* - * Special trick to make copy/paste of wrapped lines work with - * xterm/screen: write an extra character beyond the end of - * the line. This will work with all terminal types - * (regardless of the xn,am settings). - * Only do this on a fast tty. - * Only do this if the cursor is on the current line - * (something has been written in it). - * Don't do this for the GUI. - * Don't do this for double-width characters. - * Don't do this for a window not at the right screen border. - */ - if (p_tf -#ifdef FEAT_GUI - && !gui.in_use -#endif - && !(has_mbyte - && ((*mb_off2cells)(LineOffset[screen_row], - LineOffset[screen_row] + screen_Columns) - == 2 - || (*mb_off2cells)(LineOffset[screen_row - 1] - + (int)Columns - 2, - LineOffset[screen_row] + screen_Columns) - == 2))) - { - /* First make sure we are at the end of the screen line, - * then output the same character again to let the - * terminal know about the wrap. If the terminal doesn't - * auto-wrap, we overwrite the character. */ - if (screen_cur_col != wp->w_width) - screen_char(LineOffset[screen_row - 1] - + (unsigned)Columns - 1, - screen_row - 1, (int)(Columns - 1)); - - /* When there is a multi-byte character, just output a - * space to keep it simple. */ - if (has_mbyte && MB_BYTE2LEN(ScreenLines[LineOffset[ - screen_row - 1] + (Columns - 1)]) > 1) - out_char(' '); - else - out_char(ScreenLines[LineOffset[screen_row - 1] - + (Columns - 1)]); - /* force a redraw of the first char on the next line */ - ScreenAttrs[LineOffset[screen_row]] = (sattr_T)-1; - screen_start(); /* don't know where cursor is now */ - } - } - - col = 0; - off = (unsigned)(current_ScreenLine - ScreenLines); -#ifdef FEAT_RIGHTLEFT - if (wp->w_p_rl) - { - col = wp->w_width - 1; /* col is not used if breaking! */ - off += col; - } -#endif - - /* reset the drawing state for the start of a wrapped line */ - draw_state = WL_START; - saved_n_extra = n_extra; - saved_p_extra = p_extra; - saved_c_extra = c_extra; - saved_c_final = c_final; -#ifdef FEAT_SYN_HL - if (!(cul_screenline -# ifdef FEAT_DIFF - && diff_hlf == (hlf_T)0) -# endif - ) - saved_char_attr = char_attr; - else -#endif - saved_char_attr = 0; - n_extra = 0; - lcs_prec_todo = lcs_prec; -#ifdef FEAT_LINEBREAK -# ifdef FEAT_DIFF - if (filler_todo <= 0) -# endif - need_showbreak = TRUE; -#endif -#ifdef FEAT_DIFF - --filler_todo; - /* When the filler lines are actually below the last line of the - * file, don't draw the line itself, break here. */ - if (filler_todo == 0 && wp->w_botfill) - break; -#endif - } - - } /* for every character in the line */ - -#ifdef FEAT_SPELL - /* After an empty line check first word for capital. */ - if (*skipwhite(line) == NUL) - { - capcol_lnum = lnum + 1; - cap_col = 0; - } -#endif -#ifdef FEAT_TEXT_PROP - vim_free(text_props); - vim_free(text_prop_idxs); -#endif - - vim_free(p_extra_free); - return row; -} - /* * Return if the composing characters at "off_from" and "off_to" differ. * Only to be used when ScreenLinesUC[off_from] != 0. @@ -6184,6 +366,23 @@ blocked_by_popup(int row, int col) #endif /* + * Reset the highlighting. Used before clearing the screen. + */ + void +reset_screen_attr(void) +{ +#ifdef FEAT_GUI + if (gui.in_use) + // Use a code that will reset gui.highlight_mask in + // gui_stop_highlight(). + screen_attr = HL_ALL + 1; + else +#endif + // Use attributes that is very unlikely to appear in text. + screen_attr = HL_BOLD | HL_UNDERLINE | HL_INVERSE | HL_STRIKETHROUGH; +} + +/* * Move one "cooked" screen line to the screen, but only the characters that * have actually changed. Handle insert/delete character. * "coloff" gives the first column on the screen for this line. @@ -6596,80 +795,9 @@ rl_mirror(char_u *str) #endif /* - * mark all status lines for redraw; used after first :cd - */ - void -status_redraw_all(void) -{ - win_T *wp; - - FOR_ALL_WINDOWS(wp) - if (wp->w_status_height) - { - wp->w_redr_status = TRUE; - redraw_later(VALID); - } -} - -/* - * mark all status lines of the current buffer for redraw - */ - void -status_redraw_curbuf(void) -{ - win_T *wp; - - FOR_ALL_WINDOWS(wp) - if (wp->w_status_height != 0 && wp->w_buffer == curbuf) - { - wp->w_redr_status = TRUE; - redraw_later(VALID); - } -} - -/* - * Redraw all status lines that need to be redrawn. - */ - void -redraw_statuslines(void) -{ - win_T *wp; - - FOR_ALL_WINDOWS(wp) - if (wp->w_redr_status) - win_redr_status(wp, FALSE); - if (redraw_tabline) - draw_tabline(); -} - -#if defined(FEAT_WILDMENU) || defined(PROTO) -/* - * Redraw all status lines at the bottom of frame "frp". - */ - void -win_redraw_last_status(frame_T *frp) -{ - if (frp->fr_layout == FR_LEAF) - frp->fr_win->w_redr_status = TRUE; - else if (frp->fr_layout == FR_ROW) - { - FOR_ALL_FRAMES(frp, frp->fr_child) - win_redraw_last_status(frp); - } - else /* frp->fr_layout == FR_COL */ - { - frp = frp->fr_child; - while (frp->fr_next != NULL) - frp = frp->fr_next; - win_redraw_last_status(frp); - } -} -#endif - -/* * Draw the verticap separator right of window "wp" starting with line "row". */ - static void + void draw_vsep_win(win_T *wp, int row) { int hl; @@ -6956,192 +1084,6 @@ win_redr_status_matches( #endif /* - * Redraw the status line of window wp. - * - * If inversion is possible we use it. Else '=' characters are used. - * If "ignore_pum" is TRUE, also redraw statusline when the popup menu is - * displayed. - */ - static void -win_redr_status(win_T *wp, int ignore_pum UNUSED) -{ - int row; - char_u *p; - int len; - int fillchar; - int attr; - int this_ru_col; - static int busy = FALSE; - - /* It's possible to get here recursively when 'statusline' (indirectly) - * invokes ":redrawstatus". Simply ignore the call then. */ - if (busy) - return; - busy = TRUE; - - wp->w_redr_status = FALSE; - if (wp->w_status_height == 0) - { - /* no status line, can only be last window */ - redraw_cmdline = TRUE; - } - else if (!redrawing() - // don't update status line when popup menu is visible and may be - // drawn over it, unless it will be redrawn later - || (!ignore_pum && pum_visible())) - { - /* Don't redraw right now, do it later. */ - wp->w_redr_status = TRUE; - } -#ifdef FEAT_STL_OPT - else if (*p_stl != NUL || *wp->w_p_stl != NUL) - { - /* redraw custom status line */ - redraw_custom_statusline(wp); - } -#endif - else - { - fillchar = fillchar_status(&attr, wp); - - get_trans_bufname(wp->w_buffer); - p = NameBuff; - len = (int)STRLEN(p); - - if (bt_help(wp->w_buffer) -#ifdef FEAT_QUICKFIX - || wp->w_p_pvw -#endif - || bufIsChanged(wp->w_buffer) - || wp->w_buffer->b_p_ro) - *(p + len++) = ' '; - if (bt_help(wp->w_buffer)) - { - STRCPY(p + len, _("[Help]")); - len += (int)STRLEN(p + len); - } -#ifdef FEAT_QUICKFIX - if (wp->w_p_pvw) - { - STRCPY(p + len, _("[Preview]")); - len += (int)STRLEN(p + len); - } -#endif - if (bufIsChanged(wp->w_buffer) -#ifdef FEAT_TERMINAL - && !bt_terminal(wp->w_buffer) -#endif - ) - { - STRCPY(p + len, "[+]"); - len += 3; - } - if (wp->w_buffer->b_p_ro) - { - STRCPY(p + len, _("[RO]")); - len += (int)STRLEN(p + len); - } - - this_ru_col = ru_col - (Columns - wp->w_width); - if (this_ru_col < (wp->w_width + 1) / 2) - this_ru_col = (wp->w_width + 1) / 2; - if (this_ru_col <= 1) - { - p = (char_u *)"<"; /* No room for file name! */ - len = 1; - } - else if (has_mbyte) - { - int clen = 0, i; - - /* Count total number of display cells. */ - clen = mb_string2cells(p, -1); - - /* Find first character that will fit. - * Going from start to end is much faster for DBCS. */ - for (i = 0; p[i] != NUL && clen >= this_ru_col - 1; - i += (*mb_ptr2len)(p + i)) - clen -= (*mb_ptr2cells)(p + i); - len = clen; - if (i > 0) - { - p = p + i - 1; - *p = '<'; - ++len; - } - - } - else if (len > this_ru_col - 1) - { - p += len - (this_ru_col - 1); - *p = '<'; - len = this_ru_col - 1; - } - - row = W_WINROW(wp) + wp->w_height; - screen_puts(p, row, wp->w_wincol, attr); - screen_fill(row, row + 1, len + wp->w_wincol, - this_ru_col + wp->w_wincol, fillchar, fillchar, attr); - - if (get_keymap_str(wp, (char_u *)"<%s>", NameBuff, MAXPATHL) - && (int)(this_ru_col - len) > (int)(STRLEN(NameBuff) + 1)) - screen_puts(NameBuff, row, (int)(this_ru_col - STRLEN(NameBuff) - - 1 + wp->w_wincol), attr); - -#ifdef FEAT_CMDL_INFO - win_redr_ruler(wp, TRUE, ignore_pum); -#endif - } - - /* - * May need to draw the character below the vertical separator. - */ - if (wp->w_vsep_width != 0 && wp->w_status_height != 0 && redrawing()) - { - if (stl_connected(wp)) - fillchar = fillchar_status(&attr, wp); - else - fillchar = fillchar_vsep(&attr); - screen_putchar(fillchar, W_WINROW(wp) + wp->w_height, W_ENDCOL(wp), - attr); - } - busy = FALSE; -} - -#ifdef FEAT_STL_OPT -/* - * Redraw the status line according to 'statusline' and take care of any - * errors encountered. - */ - static void -redraw_custom_statusline(win_T *wp) -{ - static int entered = FALSE; - int saved_did_emsg = did_emsg; - - /* When called recursively return. This can happen when the statusline - * contains an expression that triggers a redraw. */ - if (entered) - return; - entered = TRUE; - - did_emsg = FALSE; - win_redr_custom(wp, FALSE); - if (did_emsg) - { - /* When there is an error disable the statusline, otherwise the - * display is messed up with errors and a redraw triggers the problem - * again and again. */ - set_string_option_direct((char_u *)"statusline", -1, - (char_u *)"", OPT_FREE | (*wp->w_p_stl != NUL - ? OPT_LOCAL : OPT_GLOBAL), SID_ERROR); - } - did_emsg |= saved_did_emsg; - entered = FALSE; -} -#endif - -/* * Return TRUE if the status line of window "wp" is connected to the status * line of the window right of it. If not, then it's a vertical separator. * Only call if (wp->w_vsep_width != 0). @@ -7223,10 +1165,10 @@ get_keymap_str( * Redraw the status line or ruler of window "wp". * When "wp" is NULL redraw the tab pages line from 'tabline'. */ - static void + void win_redr_custom( win_T *wp, - int draw_ruler) /* TRUE or FALSE */ + int draw_ruler) // TRUE or FALSE { static int entered = FALSE; int attr; @@ -7247,17 +1189,17 @@ win_redr_custom( win_T *ewp; int p_crb_save; - /* There is a tiny chance that this gets called recursively: When - * redrawing a status line triggers redrawing the ruler or tabline. - * Avoid trouble by not allowing recursion. */ + // There is a tiny chance that this gets called recursively: When + // redrawing a status line triggers redrawing the ruler or tabline. + // Avoid trouble by not allowing recursion. if (entered) return; entered = TRUE; - /* setup environment for the task at hand */ + // setup environment for the task at hand if (wp == NULL) { - /* Use 'tabline'. Always at the first line of the screen. */ + // Use 'tabline'. Always at the first line of the screen. stl = p_tal; row = 0; fillchar = ' '; @@ -7276,7 +1218,7 @@ win_redr_custom( if (draw_ruler) { stl = p_ruf; - /* advance past any leading group spec - implicit in ru_col */ + // advance past any leading group spec - implicit in ru_col if (*stl == '%') { if (*++stl == '-') @@ -7294,7 +1236,7 @@ win_redr_custom( if (!wp->w_status_height) { row = Rows - 1; - --maxwidth; /* writing in last column may cause scrolling */ + --maxwidth; // writing in last column may cause scrolling fillchar = ' '; attr = 0; } @@ -7321,14 +1263,14 @@ win_redr_custom( if (maxwidth <= 0) goto theend; - /* Temporarily reset 'cursorbind', we don't want a side effect from moving - * the cursor away and back. */ + // Temporarily reset 'cursorbind', we don't want a side effect from moving + // the cursor away and back. ewp = wp == NULL ? curwin : wp; p_crb_save = ewp->w_p_crb; ewp->w_p_crb = FALSE; - /* Make a copy, because the statusline may include a function call that - * might change the option value and free the memory. */ + // Make a copy, because the statusline may include a function call that + // might change the option value and free the memory. stl = vim_strsave(stl); width = build_stl_str_hl(ewp, buf, sizeof(buf), stl, use_sandbox, @@ -7336,7 +1278,7 @@ win_redr_custom( vim_free(stl); ewp->w_p_crb = p_crb_save; - /* Make all characters printable. */ + // Make all characters printable. p = transstr(buf); if (p != NULL) { @@ -7344,7 +1286,7 @@ win_redr_custom( vim_free(p); } - /* fill up with "fillchar" */ + // fill up with "fillchar" len = (int)STRLEN(buf); while (width < maxwidth && len < (int)sizeof(buf) - 1) { @@ -7386,7 +1328,7 @@ win_redr_custom( if (wp == NULL) { - /* Fill the TabPageIdxs[] array for clicking in the tab pagesline. */ + // Fill the TabPageIdxs[] array for clicking in the tab pagesline. col = 0; len = 0; p = buf; @@ -7407,7 +1349,7 @@ theend: entered = FALSE; } -#endif /* FEAT_STL_OPT */ +#endif // FEAT_STL_OPT /* * Output a single character directly to the screen and update ScreenLines. @@ -7436,7 +1378,7 @@ screen_getbytes(int row, int col, char_u *bytes, int *attrp) { unsigned off; - /* safety check */ + // safety check if (ScreenLines != NULL && row < screen_Rows && col < screen_Columns) { off = LineOffset[row] + col; @@ -7519,7 +1461,7 @@ screen_puts_len( int u8cc[MAX_MCO]; int clear_next_cell = FALSE; #ifdef FEAT_ARABIC - int prev_c = 0; /* previous Arabic character */ + int prev_c = 0; // previous Arabic character int pc, nc, nc1; int pcc[MAX_MCO]; #endif @@ -7535,8 +1477,8 @@ screen_puts_len( return; off = LineOffset[row] + col; - /* When drawing over the right halve of a double-wide char clear out the - * left halve. Only needed in a terminal. */ + // When drawing over the right halve of a double-wide char clear out the + // left halve. Only needed in a terminal. if (has_mbyte && col > 0 && col < screen_Columns #ifdef FEAT_GUI && !gui.in_use @@ -7550,9 +1492,9 @@ screen_puts_len( ScreenLinesUC[off - 1] = 0; ScreenLinesC[0][off - 1] = 0; } - /* redraw the previous cell, make it empty */ + // redraw the previous cell, make it empty screen_char(off - 1, row, col - 1); - /* force the cell at "col" to be redrawn */ + // force the cell at "col" to be redrawn force_redraw_next = TRUE; } @@ -7756,20 +1698,20 @@ screen_puts_len( } } -#ifdef FEAT_SEARCH_EXTRA +#if defined(FEAT_SEARCH_EXTRA) || defined(PROTO) /* * Prepare for 'hlsearch' highlighting. */ - static void + void start_search_hl(void) { if (p_hls && !no_hlsearch) { - last_pat_prog(&search_hl.rm); - search_hl.attr = HL_ATTR(HLF_L); + last_pat_prog(&screen_search_hl.rm); + screen_search_hl.attr = HL_ATTR(HLF_L); # ifdef FEAT_RELTIME /* Set the time limit to 'redrawtime'. */ - profile_setlimit(p_rdt, &search_hl.tm); + profile_setlimit(p_rdt, &screen_search_hl.tm); # endif } } @@ -7777,13 +1719,13 @@ start_search_hl(void) /* * Clean up for 'hlsearch' highlighting. */ - static void + void end_search_hl(void) { - if (search_hl.rm.regprog != NULL) + if (screen_search_hl.rm.regprog != NULL) { - vim_regfree(search_hl.rm.regprog); - search_hl.rm.regprog = NULL; + vim_regfree(screen_search_hl.rm.regprog); + screen_search_hl.rm.regprog = NULL; } } #endif @@ -8064,7 +2006,7 @@ reset_cterm_colors(void) * Put character ScreenLines["off"] on the screen at position "row" and "col", * using the attributes from ScreenAttrs["off"]. */ - static void + void screen_char(unsigned off, int row, int col) { int attr; @@ -8255,7 +2197,7 @@ redraw_block(int row, int end, win_T *wp) screen_draw_rectangle(row, col, end - row, width, FALSE); } - static void + void space_to_screenline(int off, int attr) { ScreenLines[off] = ' '; @@ -10503,7 +4445,7 @@ get_trans_bufname(buf_T *buf) /* * Get the character to use in a status line. Get its attributes in "*attr". */ - static int + int fillchar_status(int *attr, win_T *wp) { int fill; @@ -10550,7 +4492,7 @@ fillchar_status(int *attr, win_T *wp) * Get the character to use in a separator between vertically split windows. * Get its attributes in "*attr". */ - static int + int fillchar_vsep(int *attr) { *attr = HL_ATTR(HLF_C); @@ -10587,295 +4529,6 @@ messaging(void) return (!(p_lz && char_avail() && !KeyTyped)); } -#ifdef FEAT_MENU -/* - * Draw the window toolbar. - */ - static void -redraw_win_toolbar(win_T *wp) -{ - vimmenu_T *menu; - int item_idx = 0; - int item_count = 0; - int col = 0; - int next_col; - int off = (int)(current_ScreenLine - ScreenLines); - int fill_attr = syn_name2attr((char_u *)"ToolbarLine"); - int button_attr = syn_name2attr((char_u *)"ToolbarButton"); - - vim_free(wp->w_winbar_items); - for (menu = wp->w_winbar->children; menu != NULL; menu = menu->next) - ++item_count; - wp->w_winbar_items = ALLOC_CLEAR_MULT(winbar_item_T, item_count + 1); - - /* TODO: use fewer spaces if there is not enough room */ - for (menu = wp->w_winbar->children; - menu != NULL && col < wp->w_width; menu = menu->next) - { - space_to_screenline(off + col, fill_attr); - if (++col >= wp->w_width) - break; - if (col > 1) - { - space_to_screenline(off + col, fill_attr); - if (++col >= wp->w_width) - break; - } - - wp->w_winbar_items[item_idx].wb_startcol = col; - space_to_screenline(off + col, button_attr); - if (++col >= wp->w_width) - break; - - next_col = text_to_screenline(wp, menu->name, col); - while (col < next_col) - { - ScreenAttrs[off + col] = button_attr; - ++col; - } - wp->w_winbar_items[item_idx].wb_endcol = col; - wp->w_winbar_items[item_idx].wb_menu = menu; - ++item_idx; - - if (col >= wp->w_width) - break; - space_to_screenline(off + col, button_attr); - ++col; - } - while (col < wp->w_width) - { - space_to_screenline(off + col, fill_attr); - ++col; - } - wp->w_winbar_items[item_idx].wb_menu = NULL; /* end marker */ - - screen_line(wp->w_winrow, wp->w_wincol, (int)wp->w_width, - (int)wp->w_width, 0); -} -#endif - -/* - * Show current status info in ruler and various other places - * If always is FALSE, only show ruler if position has changed. - */ - void -showruler(int always) -{ - if (!always && !redrawing()) - return; - if (pum_visible()) - { - /* Don't redraw right now, do it later. */ - curwin->w_redr_status = TRUE; - return; - } -#if defined(FEAT_STL_OPT) - if ((*p_stl != NUL || *curwin->w_p_stl != NUL) && curwin->w_status_height) - redraw_custom_statusline(curwin); - else -#endif -#ifdef FEAT_CMDL_INFO - win_redr_ruler(curwin, always, FALSE); -#endif - -#ifdef FEAT_TITLE - if (need_maketitle -# ifdef FEAT_STL_OPT - || (p_icon && (stl_syntax & STL_IN_ICON)) - || (p_title && (stl_syntax & STL_IN_TITLE)) -# endif - ) - maketitle(); -#endif - /* Redraw the tab pages line if needed. */ - if (redraw_tabline) - draw_tabline(); -} - -#ifdef FEAT_CMDL_INFO - static void -win_redr_ruler(win_T *wp, int always, int ignore_pum) -{ -#define RULER_BUF_LEN 70 - char_u buffer[RULER_BUF_LEN]; - int row; - int fillchar; - int attr; - int empty_line = FALSE; - colnr_T virtcol; - int i; - size_t len; - int o; - int this_ru_col; - int off = 0; - int width; - - /* If 'ruler' off or redrawing disabled, don't do anything */ - if (!p_ru) - return; - - /* - * Check if cursor.lnum is valid, since win_redr_ruler() may be called - * after deleting lines, before cursor.lnum is corrected. - */ - if (wp->w_cursor.lnum > wp->w_buffer->b_ml.ml_line_count) - return; - - // Don't draw the ruler while doing insert-completion, it might overwrite - // the (long) mode message. - if (wp == lastwin && lastwin->w_status_height == 0) - if (edit_submode != NULL) - return; - // Don't draw the ruler when the popup menu is visible, it may overlap. - // Except when the popup menu will be redrawn anyway. - if (!ignore_pum && pum_visible()) - return; - -#ifdef FEAT_STL_OPT - if (*p_ruf) - { - int save_called_emsg = called_emsg; - - called_emsg = FALSE; - win_redr_custom(wp, TRUE); - if (called_emsg) - set_string_option_direct((char_u *)"rulerformat", -1, - (char_u *)"", OPT_FREE, SID_ERROR); - called_emsg |= save_called_emsg; - return; - } -#endif - - /* - * Check if not in Insert mode and the line is empty (will show "0-1"). - */ - if (!(State & INSERT) - && *ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE) == NUL) - empty_line = TRUE; - - /* - * Only draw the ruler when something changed. - */ - validate_virtcol_win(wp); - if ( redraw_cmdline - || always - || wp->w_cursor.lnum != wp->w_ru_cursor.lnum - || wp->w_cursor.col != wp->w_ru_cursor.col - || wp->w_virtcol != wp->w_ru_virtcol - || wp->w_cursor.coladd != wp->w_ru_cursor.coladd - || wp->w_topline != wp->w_ru_topline - || wp->w_buffer->b_ml.ml_line_count != wp->w_ru_line_count -#ifdef FEAT_DIFF - || wp->w_topfill != wp->w_ru_topfill -#endif - || empty_line != wp->w_ru_empty) - { - cursor_off(); - if (wp->w_status_height) - { - row = W_WINROW(wp) + wp->w_height; - fillchar = fillchar_status(&attr, wp); - off = wp->w_wincol; - width = wp->w_width; - } - else - { - row = Rows - 1; - fillchar = ' '; - attr = 0; - width = Columns; - off = 0; - } - - /* In list mode virtcol needs to be recomputed */ - virtcol = wp->w_virtcol; - if (wp->w_p_list && lcs_tab1 == NUL) - { - wp->w_p_list = FALSE; - getvvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); - wp->w_p_list = TRUE; - } - - /* - * Some sprintfs return the length, some return a pointer. - * To avoid portability problems we use strlen() here. - */ - vim_snprintf((char *)buffer, RULER_BUF_LEN, "%ld,", - (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) - ? 0L - : (long)(wp->w_cursor.lnum)); - len = STRLEN(buffer); - col_print(buffer + len, RULER_BUF_LEN - len, - empty_line ? 0 : (int)wp->w_cursor.col + 1, - (int)virtcol + 1); - - /* - * Add a "50%" if there is room for it. - * On the last line, don't print in the last column (scrolls the - * screen up on some terminals). - */ - i = (int)STRLEN(buffer); - get_rel_pos(wp, buffer + i + 1, RULER_BUF_LEN - i - 1); - o = i + vim_strsize(buffer + i + 1); - if (wp->w_status_height == 0) /* can't use last char of screen */ - ++o; - this_ru_col = ru_col - (Columns - width); - if (this_ru_col < 0) - this_ru_col = 0; - /* Never use more than half the window/screen width, leave the other - * half for the filename. */ - if (this_ru_col < (width + 1) / 2) - this_ru_col = (width + 1) / 2; - if (this_ru_col + o < width) - { - /* need at least 3 chars left for get_rel_pos() + NUL */ - while (this_ru_col + o < width && RULER_BUF_LEN > i + 4) - { - if (has_mbyte) - i += (*mb_char2bytes)(fillchar, buffer + i); - else - buffer[i++] = fillchar; - ++o; - } - get_rel_pos(wp, buffer + i, RULER_BUF_LEN - i); - } - /* Truncate at window boundary. */ - if (has_mbyte) - { - o = 0; - for (i = 0; buffer[i] != NUL; i += (*mb_ptr2len)(buffer + i)) - { - o += (*mb_ptr2cells)(buffer + i); - if (this_ru_col + o > width) - { - buffer[i] = NUL; - break; - } - } - } - else if (this_ru_col + (int)STRLEN(buffer) > width) - buffer[width - this_ru_col] = NUL; - - screen_puts(buffer, row, this_ru_col + off, attr); - i = redraw_cmdline; - screen_fill(row, row + 1, - this_ru_col + off + (int)STRLEN(buffer), - (int)(off + width), - fillchar, fillchar, attr); - /* don't redraw the cmdline because of showing the ruler */ - redraw_cmdline = i; - wp->w_ru_cursor = wp->w_cursor; - wp->w_ru_virtcol = wp->w_virtcol; - wp->w_ru_empty = empty_line; - wp->w_ru_topline = wp->w_topline; - wp->w_ru_line_count = wp->w_buffer->b_ml.ml_line_count; -#ifdef FEAT_DIFF - wp->w_ru_topfill = wp->w_topfill; -#endif - } -} -#endif - /* * Compute columns for ruler and shown command. 'sc_col' is also used to * decide what the maximum length of a message on the status line can be. @@ -11125,49 +4778,3 @@ set_chars_option(char_u **varp) return NULL; // no error } -#ifdef FEAT_SYN_HL -/* - * Used when 'cursorlineopt' contains "screenline": compute the margins between - * which the highlighting is used. - */ - static void -margin_columns_win(win_T *wp, int *left_col, int *right_col) -{ - // cache previous calculations depending on w_virtcol - static int saved_w_virtcol; - static win_T *prev_wp; - static int prev_left_col; - static int prev_right_col; - static int prev_col_off; - - int cur_col_off = win_col_off(wp); - int width1; - int width2; - - if (saved_w_virtcol == wp->w_virtcol - && prev_wp == wp && prev_col_off == cur_col_off) - { - *right_col = prev_right_col; - *left_col = prev_left_col; - return; - } - - width1 = wp->w_width - cur_col_off; - width2 = width1 + win_col_off2(wp); - - *left_col = 0; - *right_col = width1; - - if (wp->w_virtcol >= (colnr_T)width1) - *right_col = width1 + ((wp->w_virtcol - width1) / width2 + 1) * width2; - if (wp->w_virtcol >= (colnr_T)width1 && width2 > 0) - *left_col = (wp->w_virtcol - width1) / width2 * width2 + width1; - - // cache values - prev_left_col = *left_col; - prev_right_col = *right_col; - prev_wp = wp; - saved_w_virtcol = wp->w_virtcol; - prev_col_off = cur_col_off; -} -#endif diff --git a/src/version.c b/src/version.c index 50c1c4cd9..3ed4c802e 100644 --- a/src/version.c +++ b/src/version.c @@ -758,6 +758,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 2057, +/**/ 2056, /**/ 2055, @@ -587,6 +587,13 @@ extern int (*dyn_libintl_wputenv)(const wchar_t *envstring); #define NOT_VALID 40 // buffer needs complete redraw #define CLEAR 50 // screen messed up, clear it +// flags for screen_line() +#define SLF_RIGHTLEFT 1 +#define SLF_POPUP 2 + +#define MB_FILLER_CHAR '<' // character used when a double-width character + // doesn't fit. + /* * Flags for w_valid. * These are set when something in a window structure becomes invalid, except |