/* vi:set ts=8 sts=4 sw=4: * * 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. */ /* * edit.c: functions for Insert mode */ #include "vim.h" #ifdef FEAT_INS_EXPAND /* * definitions used for CTRL-X submode */ #define CTRL_X_WANT_IDENT 0x100 #define CTRL_X_NOT_DEFINED_YET 1 #define CTRL_X_SCROLL 2 #define CTRL_X_WHOLE_LINE 3 #define CTRL_X_FILES 4 #define CTRL_X_TAGS (5 + CTRL_X_WANT_IDENT) #define CTRL_X_PATH_PATTERNS (6 + CTRL_X_WANT_IDENT) #define CTRL_X_PATH_DEFINES (7 + CTRL_X_WANT_IDENT) #define CTRL_X_FINISHED 8 #define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT) #define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT) #define CTRL_X_CMDLINE 11 #define CTRL_X_FUNCTION 12 #define CHECK_KEYS_TIME 30 #define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT] static char *ctrl_x_msgs[] = { N_(" Keyword completion (^N^P)"), /* ctrl_x_mode == 0, ^P/^N compl. */ N_(" ^X mode (^E^Y^L^]^F^I^K^D^U^V^N^P)"), /* Scroll has it's own msgs, in it's place there is the msg for local * ctrl_x_mode = 0 (eg continue_status & CONT_LOCAL) -- Acevedo */ N_(" Keyword Local completion (^N^P)"), N_(" Whole line completion (^L^N^P)"), N_(" File name completion (^F^N^P)"), N_(" Tag completion (^]^N^P)"), N_(" Path pattern completion (^N^P)"), N_(" Definition completion (^D^N^P)"), NULL, N_(" Dictionary completion (^K^N^P)"), N_(" Thesaurus completion (^T^N^P)"), N_(" Command-line completion (^V^N^P)"), N_(" User defined completion (^U^N^P)"), }; static char_u e_hitend[] = N_("Hit end of paragraph"); /* * Structure used to store one match for insert completion. */ struct Completion { struct Completion *next; struct Completion *prev; char_u *str; /* matched text */ char_u *fname; /* file containing the match */ int original; /* ORIGINAL_TEXT, CONT_S_IPOS or FREE_FNAME */ int number; /* sequence number */ }; /* the original text when the expansion begun */ #define ORIGINAL_TEXT (1) #define FREE_FNAME (2) /* * All the current matches are stored in a list. * "first_match" points to the start of the list. * "curr_match" points to the currently selected entry. * "shown_match" is different from curr_match during ins_compl_get_exp(). */ static struct Completion *first_match = NULL; static struct Completion *curr_match = NULL; static struct Completion *shown_match = NULL; static int started_completion = FALSE; static int completion_matches = 0; static char_u *complete_pat = NULL; static int complete_direction = FORWARD; static int shown_direction = FORWARD; static int completion_pending = FALSE; static pos_T initial_pos; static colnr_T complete_col = 0; /* column where the text starts that is being completed */ static int save_sm; static char_u *original_text = NULL; /* text before completion */ static int continue_mode = 0; static expand_T complete_xp; static int ins_compl_add __ARGS((char_u *str, int len, char_u *, int dir, int reuse)); static void ins_compl_add_matches __ARGS((int num_matches, char_u **matches, int dir)); static int ins_compl_make_cyclic __ARGS((void)); static void ins_compl_dictionaries __ARGS((char_u *dict, char_u *pat, int dir, int flags, int thesaurus)); static void ins_compl_free __ARGS((void)); static void ins_compl_clear __ARGS((void)); static void ins_compl_prep __ARGS((int c)); static buf_T *ins_compl_next_buf __ARGS((buf_T *buf, int flag)); static int ins_compl_get_exp __ARGS((pos_T *ini, int dir)); static void ins_compl_delete __ARGS((void)); static void ins_compl_insert __ARGS((void)); static int ins_compl_next __ARGS((int allow_get_expansion)); static int ins_complete __ARGS((int c)); static int quote_meta __ARGS((char_u *dest, char_u *str, int len)); #endif /* FEAT_INS_EXPAND */ #define BACKSPACE_CHAR 1 #define BACKSPACE_WORD 2 #define BACKSPACE_WORD_NOT_SPACE 3 #define BACKSPACE_LINE 4 static void ins_redraw __ARGS((void)); static void ins_ctrl_v __ARGS((void)); static void undisplay_dollar __ARGS((void)); static void insert_special __ARGS((int, int, int)); static void check_auto_format __ARGS((int)); static void redo_literal __ARGS((int c)); static void start_arrow __ARGS((pos_T *end_insert_pos)); #ifdef FEAT_SYN_HL static void check_spell_redraw __ARGS((void)); #endif static void stop_insert __ARGS((pos_T *end_insert_pos, int esc)); static int echeck_abbr __ARGS((int)); static void replace_push_off __ARGS((int c)); static int replace_pop __ARGS((void)); static void replace_join __ARGS((int off)); static void replace_pop_ins __ARGS((void)); #ifdef FEAT_MBYTE static void mb_replace_pop_ins __ARGS((int cc)); #endif static void replace_flush __ARGS((void)); static void replace_do_bs __ARGS((void)); #ifdef FEAT_CINDENT static int cindent_on __ARGS((void)); #endif static void ins_reg __ARGS((void)); static void ins_ctrl_g __ARGS((void)); static int ins_esc __ARGS((long *count, int cmdchar)); #ifdef FEAT_RIGHTLEFT static void ins_ctrl_ __ARGS((void)); #endif #ifdef FEAT_VISUAL static int ins_start_select __ARGS((int c)); #endif static void ins_shift __ARGS((int c, int lastc)); static void ins_del __ARGS((void)); static int ins_bs __ARGS((int c, int mode, int *inserted_space_p)); #ifdef FEAT_MOUSE static void ins_mouse __ARGS((int c)); static void ins_mousescroll __ARGS((int up)); #endif static void ins_left __ARGS((void)); static void ins_home __ARGS((int c)); static void ins_end __ARGS((int c)); static void ins_s_left __ARGS((void)); static void ins_right __ARGS((void)); static void ins_s_right __ARGS((void)); static void ins_up __ARGS((int startcol)); static void ins_pageup __ARGS((void)); static void ins_down __ARGS((int startcol)); static void ins_pagedown __ARGS((void)); #ifdef FEAT_DND static void ins_drop __ARGS((void)); #endif static int ins_tab __ARGS((void)); static int ins_eol __ARGS((int c)); #ifdef FEAT_DIGRAPHS static int ins_digraph __ARGS((void)); #endif static int ins_copychar __ARGS((linenr_T lnum)); #ifdef FEAT_SMARTINDENT static void ins_try_si __ARGS((int c)); #endif static colnr_T get_nolist_virtcol __ARGS((void)); static colnr_T Insstart_textlen; /* length of line when insert started */ static colnr_T Insstart_blank_vcol; /* vcol for first inserted blank */ static char_u *last_insert = NULL; /* the text of the previous insert, K_SPECIAL and CSI are escaped */ static int last_insert_skip; /* nr of chars in front of previous insert */ static int new_insert_skip; /* nr of chars in front of current insert */ #ifdef FEAT_CINDENT static int can_cindent; /* may do cindenting on this line */ #endif static int old_indent = 0; /* for ^^D command in insert mode */ #ifdef FEAT_RIGHTLEFT static int revins_on; /* reverse insert mode on */ static int revins_chars; /* how much to skip after edit */ static int revins_legal; /* was the last char 'legal'? */ static int revins_scol; /* start column of revins session */ #endif #if defined(FEAT_MBYTE) && defined(MACOS_CLASSIC) static short previous_script = smRoman; #endif static int ins_need_undo; /* call u_save() before inserting a char. Set when edit() is called. after that arrow_used is used. */ static int did_add_space = FALSE; /* auto_format() added an extra space under the cursor */ /* * edit(): Start inserting text. * * "cmdchar" can be: * 'i' normal insert command * 'a' normal append command * 'R' replace command * 'r' "r" command: insert one . Note: count can be > 1, for redo, * but still only one is inserted. The is not used for redo. * 'g' "gI" command. * 'V' "gR" command for Virtual Replace mode. * 'v' "gr" command for single character Virtual Replace mode. * * This function is not called recursively. For CTRL-O commands, it returns * and lets the caller handle the Normal-mode command. * * Return TRUE if a CTRL-O command caused the return (insert mode pending). */ int edit(cmdchar, startln, count) int cmdchar; int startln; /* if set, insert at start of line */ long count; { int c = 0; char_u *ptr; int lastc; colnr_T mincol; static linenr_T o_lnum = 0; int i; int did_backspace = TRUE; /* previous char was backspace */ #ifdef FEAT_CINDENT int line_is_white = FALSE; /* line is empty before insert */ #endif linenr_T old_topline = 0; /* topline before insertion */ #ifdef FEAT_DIFF int old_topfill = -1; #endif int inserted_space = FALSE; /* just inserted a space */ int replaceState = REPLACE; int did_restart_edit = restart_edit; /* sleep before redrawing, needed for "CTRL-O :" that results in an * error message */ check_for_delay(TRUE); #ifdef HAVE_SANDBOX /* Don't allow inserting in the sandbox. */ if (sandbox != 0) { EMSG(_(e_sandbox)); return FALSE; } #endif #ifdef FEAT_INS_EXPAND ins_compl_clear(); /* clear stuff for CTRL-X mode */ #endif #ifdef FEAT_AUTOCMD /* * Trigger InsertEnter autocommands. Do not do this for "r" or "grx". */ if (cmdchar != 'r' && cmdchar != 'v') { if (cmdchar == 'R') ptr = (char_u *)"r"; else if (cmdchar == 'V') ptr = (char_u *)"v"; else ptr = (char_u *)"i"; set_vim_var_string(VV_INSERTMODE, ptr, 1); apply_autocmds(EVENT_INSERTENTER, NULL, NULL, FALSE, curbuf); } #endif #ifdef FEAT_MOUSE /* * When doing a paste with the middle mouse button, Insstart is set to * where the paste started. */ if (where_paste_started.lnum != 0) Insstart = where_paste_started; else #endif { Insstart = curwin->w_cursor; if (startln) Insstart.col = 0; } Insstart_textlen = linetabsize(ml_get_curline()); Insstart_blank_vcol = MAXCOL; if (!did_ai) ai_col = 0; if (cmdchar != NUL && restart_edit == 0) { ResetRedobuff(); AppendNumberToRedobuff(count); #ifdef FEAT_VREPLACE if (cmdchar == 'V' || cmdchar == 'v') { /* "gR" or "gr" command */ AppendCharToRedobuff('g'); AppendCharToRedobuff((cmdchar == 'v') ? 'r' : 'R'); } else #endif { AppendCharToRedobuff(cmdchar); if (cmdchar == 'g') /* "gI" command */ AppendCharToRedobuff('I'); else if (cmdchar == 'r') /* "r" command */ count = 1; /* insert only one */ } } if (cmdchar == 'R') { #ifdef FEAT_FKMAP if (p_fkmap && p_ri) { beep_flush(); EMSG(farsi_text_3); /* encoded in Farsi */ State = INSERT; } else #endif State = REPLACE; } #ifdef FEAT_VREPLACE else if (cmdchar == 'V' || cmdchar == 'v') { State = VREPLACE; replaceState = VREPLACE; orig_line_count = curbuf->b_ml.ml_line_count; vr_lines_changed = 1; } #endif else State = INSERT; stop_insert_mode = FALSE; /* * Need to recompute the cursor position, it might move when the cursor is * on a TAB or special character. */ curs_columns(TRUE); /* * Enable langmap or IME, indicated by 'iminsert'. * Note that IME may enabled/disabled without us noticing here, thus the * 'iminsert' value may not reflect what is actually used. It is updated * when hitting . */ if (curbuf->b_p_iminsert == B_IMODE_LMAP) State |= LANGMAP; #ifdef USE_IM_CONTROL im_set_active(curbuf->b_p_iminsert == B_IMODE_IM); #endif #if defined(FEAT_MBYTE) && defined(MACOS_CLASSIC) KeyScript(previous_script); #endif #ifdef FEAT_MOUSE setmouse(); #endif #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif #ifdef FEAT_RIGHTLEFT /* there is no reverse replace mode */ revins_on = (State == INSERT && p_ri); if (revins_on) undisplay_dollar(); revins_chars = 0; revins_legal = 0; revins_scol = -1; #endif /* * Handle restarting Insert mode. * Don't do this for "CTRL-O ." (repeat an insert): we get here with * restart_edit non-zero, and something in the stuff buffer. */ if (restart_edit != 0 && stuff_empty()) { #ifdef FEAT_MOUSE /* * After a paste we consider text typed to be part of the insert for * the pasted text. You can backspace over the pasted text too. */ if (where_paste_started.lnum) arrow_used = FALSE; else #endif arrow_used = TRUE; restart_edit = 0; /* * If the cursor was after the end-of-line before the CTRL-O and it is * now at the end-of-line, put it after the end-of-line (this is not * correct in very rare cases). * Also do this if curswant is greater than the current virtual * column. Eg after "^O$" or "^O80|". */ validate_virtcol(); update_curswant(); if (((ins_at_eol && curwin->w_cursor.lnum == o_lnum) || curwin->w_curswant > curwin->w_virtcol) && *(ptr = ml_get_curline() + curwin->w_cursor.col) != NUL) { if (ptr[1] == NUL) ++curwin->w_cursor.col; #ifdef FEAT_MBYTE else if (has_mbyte) { i = (*mb_ptr2len_check)(ptr); if (ptr[i] == NUL) curwin->w_cursor.col += i; } #endif } ins_at_eol = FALSE; } else arrow_used = FALSE; /* we are in insert mode now, don't need to start it anymore */ need_start_insertmode = FALSE; /* Need to save the line for undo before inserting the first char. */ ins_need_undo = TRUE; #ifdef FEAT_MOUSE where_paste_started.lnum = 0; #endif #ifdef FEAT_CINDENT can_cindent = TRUE; #endif #ifdef FEAT_FOLDING /* The cursor line is not in a closed fold, unless 'insertmode' is set or * restarting. */ if (!p_im && did_restart_edit == 0) foldOpenCursor(); #endif /* * If 'showmode' is set, show the current (insert/replace/..) mode. * A warning message for changing a readonly file is given here, before * actually changing anything. It's put after the mode, if any. */ i = 0; if (p_smd) i = showmode(); if (!p_im && did_restart_edit == 0) change_warning(i + 1); #ifdef CURSOR_SHAPE ui_cursor_shape(); /* may show different cursor shape */ #endif #ifdef FEAT_DIGRAPHS do_digraph(-1); /* clear digraphs */ #endif /* * Get the current length of the redo buffer, those characters have to be * skipped if we want to get to the inserted characters. */ ptr = get_inserted(); if (ptr == NULL) new_insert_skip = 0; else { new_insert_skip = (int)STRLEN(ptr); vim_free(ptr); } old_indent = 0; /* * Main loop in Insert mode: repeat until Insert mode is left. */ for (;;) { #ifdef FEAT_RIGHTLEFT if (!revins_legal) revins_scol = -1; /* reset on illegal motions */ else revins_legal = 0; #endif if (arrow_used) /* don't repeat insert when arrow key used */ count = 0; if (stop_insert_mode) { /* ":stopinsert" used or 'insertmode' reset */ count = 0; goto doESCkey; } /* set curwin->w_curswant for next K_DOWN or K_UP */ if (!arrow_used) curwin->w_set_curswant = TRUE; /* If there is no typeahead may check for timestamps (e.g., for when a * menu invoked a shell command). */ if (stuff_empty()) { did_check_timestamps = FALSE; if (need_check_timestamps) check_timestamps(FALSE); } /* * When emsg() was called msg_scroll will have been set. */ msg_scroll = FALSE; #ifdef FEAT_GUI /* When 'mousefocus' is set a mouse movement may have taken us to * another window. "need_mouse_correct" may then be set because of an * autocommand. */ if (need_mouse_correct) gui_mouse_correct(); #endif #ifdef FEAT_FOLDING /* Open fold at the cursor line, according to 'foldopen'. */ if (fdo_flags & FDO_INSERT) foldOpenCursor(); /* Close folds where the cursor isn't, according to 'foldclose' */ if (!char_avail()) foldCheckClose(); #endif /* * If we inserted a character at the last position of the last line in * the window, scroll the window one line up. This avoids an extra * redraw. * This is detected when the cursor column is smaller after inserting * something. * Don't do this when the topline changed already, it has * already been adjusted (by insertchar() calling open_line())). */ if (curbuf->b_mod_set && curwin->w_p_wrap && !did_backspace && curwin->w_topline == old_topline #ifdef FEAT_DIFF && curwin->w_topfill == old_topfill #endif ) { mincol = curwin->w_wcol; validate_cursor_col(); if ((int)curwin->w_wcol < (int)mincol - curbuf->b_p_ts && curwin->w_wrow == W_WINROW(curwin) + curwin->w_height - 1 - p_so && (curwin->w_cursor.lnum != curwin->w_topline #ifdef FEAT_DIFF || curwin->w_topfill > 0 #endif )) { #ifdef FEAT_DIFF if (curwin->w_topfill > 0) --curwin->w_topfill; else #endif #ifdef FEAT_FOLDING if (hasFolding(curwin->w_topline, NULL, &old_topline)) set_topline(curwin, old_topline + 1); else #endif set_topline(curwin, curwin->w_topline + 1); } } /* May need to adjust w_topline to show the cursor. */ update_topline(); did_backspace = FALSE; validate_cursor(); /* may set must_redraw */ /* * Redraw the display when no characters are waiting. * Also shows mode, ruler and positions cursor. */ ins_redraw(); #ifdef FEAT_SCROLLBIND if (curwin->w_p_scb) do_check_scrollbind(TRUE); #endif update_curswant(); old_topline = curwin->w_topline; #ifdef FEAT_DIFF old_topfill = curwin->w_topfill; #endif #ifdef USE_ON_FLY_SCROLL dont_scroll = FALSE; /* allow scrolling here */ #endif /* * Get a character for Insert mode. */ lastc = c; /* remember previous char for CTRL-D */ c = safe_vgetc(); #ifdef FEAT_RIGHTLEFT if (p_hkmap && KeyTyped) c = hkmap(c); /* Hebrew mode mapping */ #endif #ifdef FEAT_FKMAP if (p_fkmap && KeyTyped) c = fkmap(c); /* Farsi mode mapping */ #endif #ifdef FEAT_INS_EXPAND /* Prepare for or stop CTRL-X mode. This doesn't do completion, but * it does fix up the text when finishing completion. */ ins_compl_prep(c); #endif /* CTRL-\ CTRL-N goes to Normal mode, CTRL-\ CTRL-G goes to mode * selected with 'insertmode'. */ if (c == Ctrl_BSL) { /* may need to redraw when no more chars available now */ ins_redraw(); ++no_mapping; ++allow_keys; c = safe_vgetc(); --no_mapping; --allow_keys; if (c != Ctrl_N && c != Ctrl_G) /* it's something else */ { vungetc(c); c = Ctrl_BSL; } else if (c == Ctrl_G && p_im) continue; else { count = 0; goto doESCkey; } } #ifdef FEAT_DIGRAPHS c = do_digraph(c); #endif #ifdef FEAT_INS_EXPAND if ((c == Ctrl_V || c == Ctrl_Q) && ctrl_x_mode == CTRL_X_CMDLINE) goto docomplete; #endif if (c == Ctrl_V || c == Ctrl_Q) { ins_ctrl_v(); c = Ctrl_V; /* pretend CTRL-V is last typed character */ continue; } #ifdef FEAT_CINDENT if (cindent_on() # ifdef FEAT_INS_EXPAND && ctrl_x_mode == 0 # endif ) { /* A key name preceded by a bang means this key is not to be * inserted. Skip ahead to the re-indenting below. * A key name preceded by a star means that indenting has to be * done before inserting the key. */ line_is_white = inindent(0); if (in_cinkeys(c, '!', line_is_white)) goto force_cindent; if (can_cindent && in_cinkeys(c, '*', line_is_white) && stop_arrow() == OK) do_c_expr_indent(); } #endif #ifdef FEAT_RIGHTLEFT if (curwin->w_p_rl) switch (c) { case K_LEFT: c = K_RIGHT; break; case K_S_LEFT: c = K_S_RIGHT; break; case K_C_LEFT: c = K_C_RIGHT; break; case K_RIGHT: c = K_LEFT; break; case K_S_RIGHT: c = K_S_LEFT; break; case K_C_RIGHT: c = K_C_LEFT; break; } #endif #ifdef FEAT_VISUAL /* * If 'keymodel' contains "startsel", may start selection. If it * does, a CTRL-O and c will be stuffed, we need to get these * characters. */ if (ins_start_select(c)) continue; #endif /* * The big switch to handle a character in insert mode. */ switch (c) { /* toggle insert/replace mode */ case K_INS: case K_KINS: #ifdef FEAT_FKMAP if (p_fkmap && p_ri) { beep_flush(); EMSG(farsi_text_3); /* encoded in Farsi */ break; } #endif #ifdef FEAT_AUTOCMD set_vim_var_string(VV_INSERTMODE, (char_u *)((State & REPLACE_FLAG) ? "i" : replaceState == VREPLACE ? "v" : "r"), 1); apply_autocmds(EVENT_INSERTCHANGE, NULL, NULL, FALSE, curbuf); #endif if (State & REPLACE_FLAG) State = INSERT | (State & LANGMAP); else State = replaceState | (State & LANGMAP); AppendCharToRedobuff(K_INS); showmode(); #ifdef CURSOR_SHAPE ui_cursor_shape(); /* may show different cursor shape */ #endif break; #ifdef FEAT_INS_EXPAND /* Enter CTRL-X mode */ case Ctrl_X: /* CTRL-X after CTRL-X CTRL-V doesn't do anything, so that CTRL-X * CTRL-V works like CTRL-N */ if (ctrl_x_mode != CTRL_X_CMDLINE) { /* if the next ^X<> won't ADD nothing, then reset * continue_status */ if (continue_status & CONT_N_ADDS) continue_status = (continue_status | CONT_INTRPT); else continue_status = 0; /* We're not sure which CTRL-X mode it will be yet */ ctrl_x_mode = CTRL_X_NOT_DEFINED_YET; edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); edit_submode_pre = NULL; showmode(); } break; #endif /* end of Select mode mapping - ignore */ case K_SELECT: break; /* suspend when 'insertmode' set */ case Ctrl_Z: if (!p_im) goto normalchar; /* insert CTRL-Z as normal char */ stuffReadbuff((char_u *)":st\r"); c = Ctrl_O; /*FALLTHROUGH*/ /* execute one command */ case Ctrl_O: if (echeck_abbr(Ctrl_O + ABBR_OFF)) break; count = 0; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) restart_edit = 'V'; else #endif if (State & REPLACE_FLAG) restart_edit = 'R'; else restart_edit = 'I'; #ifdef FEAT_VIRTUALEDIT if (virtual_active()) ins_at_eol = FALSE; /* cursor always keeps its column */ else #endif ins_at_eol = (gchar_cursor() == NUL); goto doESCkey; #ifdef FEAT_SNIFF case K_SNIFF: stuffcharReadbuff(K_SNIFF); goto doESCkey; #endif /* Hitting the help key in insert mode is like */ case K_HELP: case K_F1: case K_XF1: stuffcharReadbuff(K_HELP); if (p_im) need_start_insertmode = TRUE; goto doESCkey; #ifdef FEAT_NETBEANS_INTG case K_F21: ++no_mapping; /* don't map the next key hits */ i = safe_vgetc(); --no_mapping; netbeans_keycommand(i); break; #endif /* an escape ends input mode */ case ESC: if (echeck_abbr(ESC + ABBR_OFF)) break; /*FALLTHROUGH*/ case Ctrl_C: #ifdef FEAT_CMDWIN if (c == Ctrl_C && cmdwin_type != 0) { /* Close the cmdline window. */ cmdwin_result = K_IGNORE; got_int = FALSE; /* don't stop executing autocommands et al. */ goto doESCkey; } #endif #ifdef UNIX do_intr: #endif /* when 'insertmode' set, and not halfway a mapping, don't leave * Insert mode */ if (goto_im()) { if (got_int) { (void)vgetc(); /* flush all buffers */ got_int = FALSE; } else vim_beep(); break; } doESCkey: /* * This is the ONLY return from edit()! */ #ifdef FEAT_SYN_HL check_spell_redraw(); #endif /* Always update o_lnum, so that a "CTRL-O ." that adds a line * still puts the cursor back after the inserted text. */ if (ins_at_eol && gchar_cursor() == NUL) o_lnum = curwin->w_cursor.lnum; if (ins_esc(&count, cmdchar)) { #ifdef FEAT_AUTOCMD if (cmdchar != 'r' && cmdchar != 'v') apply_autocmds(EVENT_INSERTLEAVE, NULL, NULL, FALSE, curbuf); #endif return (c == Ctrl_O); } continue; /* * Insert the previously inserted text. * For ^@ the trailing ESC will end the insert, unless there is an * error. */ case K_ZERO: case NUL: case Ctrl_A: if (stuff_inserted(NUL, 1L, (c == Ctrl_A)) == FAIL && c != Ctrl_A && !p_im) goto doESCkey; /* quit insert mode */ inserted_space = FALSE; break; /* insert the contents of a register */ case Ctrl_R: ins_reg(); auto_format(FALSE, TRUE); inserted_space = FALSE; break; case Ctrl_G: ins_ctrl_g(); break; case Ctrl_HAT: if (map_to_exists_mode((char_u *)"", LANGMAP)) { /* ":lmap" mappings exists, Toggle use of ":lmap" mappings. */ if (State & LANGMAP) { curbuf->b_p_iminsert = B_IMODE_NONE; State &= ~LANGMAP; } else { curbuf->b_p_iminsert = B_IMODE_LMAP; State |= LANGMAP; #ifdef USE_IM_CONTROL im_set_active(FALSE); #endif } } #ifdef USE_IM_CONTROL else { /* There are no ":lmap" mappings, toggle IM */ if (im_get_status()) { curbuf->b_p_iminsert = B_IMODE_NONE; im_set_active(FALSE); } else { curbuf->b_p_iminsert = B_IMODE_IM; State &= ~LANGMAP; im_set_active(TRUE); } } #endif set_iminsert_global(); showmode(); #ifdef FEAT_GUI /* may show different cursor shape or color */ if (gui.in_use) gui_update_cursor(TRUE, FALSE); #endif #if defined(FEAT_WINDOWS) && defined(FEAT_KEYMAP) /* Show/unshow value of 'keymap' in status lines. */ status_redraw_curbuf(); #endif break; #ifdef FEAT_RIGHTLEFT case Ctrl__: if (!p_ari) goto normalchar; ins_ctrl_(); break; #endif /* Make indent one shiftwidth smaller. */ case Ctrl_D: #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) if (ctrl_x_mode == CTRL_X_PATH_DEFINES) goto docomplete; #endif /* FALLTHROUGH */ /* Make indent one shiftwidth greater. */ case Ctrl_T: # ifdef FEAT_INS_EXPAND if (c == Ctrl_T && ctrl_x_mode == CTRL_X_THESAURUS) { if (*curbuf->b_p_tsr == NUL && *p_tsr == NUL) { ctrl_x_mode = 0; edit_submode = NULL; msg_attr((char_u *)_("'thesaurus' option is empty"), hl_attr(HLF_E)); if (emsg_silent == 0) { vim_beep(); setcursor(); out_flush(); ui_delay(2000L, FALSE); } break; } goto docomplete; } # endif ins_shift(c, lastc); auto_format(FALSE, TRUE); inserted_space = FALSE; break; /* delete character under the cursor */ case K_DEL: case K_KDEL: ins_del(); auto_format(FALSE, TRUE); break; /* delete character before the cursor */ case K_BS: case Ctrl_H: did_backspace = ins_bs(c, BACKSPACE_CHAR, &inserted_space); auto_format(FALSE, TRUE); break; /* delete word before the cursor */ case Ctrl_W: did_backspace = ins_bs(c, BACKSPACE_WORD, &inserted_space); auto_format(FALSE, TRUE); break; /* delete all inserted text in current line */ case Ctrl_U: # ifdef FEAT_COMPL_FUNC /* CTRL-X CTRL-U completes with 'completefunc'. */ if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET || ctrl_x_mode == CTRL_X_FUNCTION) goto docomplete; # endif did_backspace = ins_bs(c, BACKSPACE_LINE, &inserted_space); auto_format(FALSE, TRUE); inserted_space = FALSE; break; #ifdef FEAT_MOUSE case K_LEFTMOUSE: case K_LEFTMOUSE_NM: case K_LEFTDRAG: case K_LEFTRELEASE: case K_LEFTRELEASE_NM: case K_MIDDLEMOUSE: case K_MIDDLEDRAG: case K_MIDDLERELEASE: case K_RIGHTMOUSE: case K_RIGHTDRAG: case K_RIGHTRELEASE: case K_X1MOUSE: case K_X1DRAG: case K_X1RELEASE: case K_X2MOUSE: case K_X2DRAG: case K_X2RELEASE: ins_mouse(c); break; /* Default action for scroll wheel up: scroll up */ case K_MOUSEDOWN: ins_mousescroll(FALSE); break; /* Default action for scroll wheel down: scroll down */ case K_MOUSEUP: ins_mousescroll(TRUE); break; #endif case K_IGNORE: break; #ifdef FEAT_GUI case K_VER_SCROLLBAR: ins_scroll(); break; case K_HOR_SCROLLBAR: ins_horscroll(); break; #endif case K_HOME: case K_KHOME: case K_S_HOME: case K_C_HOME: ins_home(c); break; case K_END: case K_KEND: case K_S_END: case K_C_END: ins_end(c); break; case K_LEFT: if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) ins_s_left(); else ins_left(); break; case K_S_LEFT: case K_C_LEFT: ins_s_left(); break; case K_RIGHT: if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) ins_s_right(); else ins_right(); break; case K_S_RIGHT: case K_C_RIGHT: ins_s_right(); break; case K_UP: if (mod_mask & MOD_MASK_SHIFT) ins_pageup(); else ins_up(FALSE); break; case K_S_UP: case K_PAGEUP: case K_KPAGEUP: ins_pageup(); break; case K_DOWN: if (mod_mask & MOD_MASK_SHIFT) ins_pagedown(); else ins_down(FALSE); break; case K_S_DOWN: case K_PAGEDOWN: case K_KPAGEDOWN: ins_pagedown(); break; #ifdef FEAT_DND case K_DROP: ins_drop(); break; #endif /* When isn't mapped, use it like a normal TAB */ case K_S_TAB: c = TAB; /* FALLTHROUGH */ /* TAB or Complete patterns along path */ case TAB: #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) if (ctrl_x_mode == CTRL_X_PATH_PATTERNS) goto docomplete; #endif inserted_space = FALSE; if (ins_tab()) goto normalchar; /* insert TAB as a normal char */ auto_format(FALSE, TRUE); break; case K_KENTER: c = CAR; /* FALLTHROUGH */ case CAR: case NL: #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) /* In a quickfix window a jumps to the error under the * cursor. */ if (bt_quickfix(curbuf) && c == CAR) { do_cmdline_cmd((char_u *)".cc"); break; } #endif #ifdef FEAT_CMDWIN if (cmdwin_type != 0) { /* Execute the command in the cmdline window. */ cmdwin_result = CAR; goto doESCkey; } #endif if (ins_eol(c) && !p_im) goto doESCkey; /* out of memory */ auto_format(FALSE, FALSE); inserted_space = FALSE; break; #if defined(FEAT_DIGRAPHS) || defined (FEAT_INS_EXPAND) case Ctrl_K: # ifdef FEAT_INS_EXPAND if (ctrl_x_mode == CTRL_X_DICTIONARY) { if (*curbuf->b_p_dict == NUL && *p_dict == NUL) { ctrl_x_mode = 0; edit_submode = NULL; msg_attr((char_u *)_("'dictionary' option is empty"), hl_attr(HLF_E)); if (emsg_silent == 0) { vim_beep(); setcursor(); out_flush(); ui_delay(2000L, FALSE); } break; } goto docomplete; } # endif # ifdef FEAT_DIGRAPHS c = ins_digraph(); if (c == NUL) break; # endif goto normalchar; #endif /* FEAT_DIGRAPHS || FEAT_INS_EXPAND */ #ifdef FEAT_INS_EXPAND case Ctrl_RSB: /* Tag name completion after ^X */ if (ctrl_x_mode != CTRL_X_TAGS) goto normalchar; goto docomplete; case Ctrl_F: /* File name completion after ^X */ if (ctrl_x_mode != CTRL_X_FILES) goto normalchar; goto docomplete; #endif case Ctrl_L: /* Whole line completion after ^X */ #ifdef FEAT_INS_EXPAND if (ctrl_x_mode != CTRL_X_WHOLE_LINE) #endif { /* CTRL-L with 'insertmode' set: Leave Insert mode */ if (p_im) { if (echeck_abbr(Ctrl_L + ABBR_OFF)) break; goto doESCkey; } goto normalchar; } #ifdef FEAT_INS_EXPAND /* FALLTHROUGH */ /* Do previous/next pattern completion */ case Ctrl_P: case Ctrl_N: /* if 'complete' is empty then plain ^P is no longer special, * but it is under other ^X modes */ if (*curbuf->b_p_cpt == NUL && ctrl_x_mode != 0 && !(continue_status & CONT_LOCAL)) goto normalchar; docomplete: if (ins_complete(c) == FAIL) continue_status = 0; break; #endif /* FEAT_INS_EXPAND */ case Ctrl_Y: /* copy from previous line or scroll down */ case Ctrl_E: /* copy from next line or scroll up */ #ifdef FEAT_INS_EXPAND if (ctrl_x_mode == CTRL_X_SCROLL) { if (c == Ctrl_Y) scrolldown_clamp(); else scrollup_clamp(); redraw_later(VALID); } else #endif { c = ins_copychar(curwin->w_cursor.lnum + (c == Ctrl_Y ? -1 : 1)); if (c != NUL) { long tw_save; /* The character must be taken literally, insert like it * was typed after a CTRL-V, and pretend 'textwidth' * wasn't set. Digits, 'o' and 'x' are special after a * CTRL-V, don't use it for these. */ if (c < 256 && !isalnum(c)) AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */ tw_save = curbuf->b_p_tw; curbuf->b_p_tw = -1; insert_special(c, TRUE, FALSE); curbuf->b_p_tw = tw_save; #ifdef FEAT_RIGHTLEFT revins_chars++; revins_legal++; #endif c = Ctrl_V; /* pretend CTRL-V is last character */ auto_format(FALSE, TRUE); } } break; default: #ifdef UNIX if (c == intr_char) /* special interrupt char */ goto do_intr; #endif /* * Insert a nomal character. */ normalchar: #ifdef FEAT_SMARTINDENT /* Try to perform smart-indenting. */ ins_try_si(c); #endif if (c == ' ') { inserted_space = TRUE; #ifdef FEAT_CINDENT if (inindent(0)) can_cindent = FALSE; #endif if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum) Insstart_blank_vcol = get_nolist_virtcol(); } if (vim_iswordc(c) || !echeck_abbr( #ifdef FEAT_MBYTE /* Add ABBR_OFF for characters above 0x100, this is * what check_abbr() expects. */ (has_mbyte && c >= 0x100) ? (c + ABBR_OFF) : #endif c)) { insert_special(c, FALSE, FALSE); #ifdef FEAT_RIGHTLEFT revins_legal++; revins_chars++; #endif } auto_format(FALSE, TRUE); #ifdef FEAT_FOLDING /* When inserting a character the cursor line must never be in a * closed fold. */ foldOpenCursor(); #endif break; } /* end of switch (c) */ /* If the cursor was moved we didn't just insert a space */ if (arrow_used) inserted_space = FALSE; #ifdef FEAT_CINDENT if (can_cindent && cindent_on() # ifdef FEAT_INS_EXPAND && ctrl_x_mode == 0 # endif ) { force_cindent: /* * Indent now if a key was typed that is in 'cinkeys'. */ if (in_cinkeys(c, ' ', line_is_white)) { if (stop_arrow() == OK) /* re-indent the current line */ do_c_expr_indent(); } } #endif /* FEAT_CINDENT */ } /* for (;;) */ /* NOTREACHED */ } /* * Redraw for Insert mode. * This is postponed until getting the next character to make '$' in the 'cpo' * option work correctly. * Only redraw when there are no characters available. This speeds up * inserting sequences of characters (e.g., for CTRL-R). */ static void ins_redraw() { if (!char_avail()) { if (must_redraw) update_screen(0); else if (clear_cmdline || redraw_cmdline) showmode(); /* clear cmdline and show mode */ showruler(FALSE); setcursor(); emsg_on_display = FALSE; /* may remove error message now */ } } /* * Handle a CTRL-V or CTRL-Q typed in Insert mode. */ static void ins_ctrl_v() { int c; /* may need to redraw when no more chars available now */ ins_redraw(); if (redrawing() && !char_avail()) edit_putchar('^', TRUE); AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */ #ifdef FEAT_CMDL_INFO add_to_showcmd_c(Ctrl_V); #endif c = get_literal(); #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif insert_special(c, FALSE, TRUE); #ifdef FEAT_RIGHTLEFT revins_chars++; revins_legal++; #endif } /* * Put a character directly onto the screen. It's not stored in a buffer. * Used while handling CTRL-K, CTRL-V, etc. in Insert mode. */ static int pc_status; #define PC_STATUS_UNSET 0 /* pc_bytes was not set */ #define PC_STATUS_RIGHT 1 /* right halve of double-wide char */ #define PC_STATUS_LEFT 2 /* left halve of double-wide char */ #define PC_STATUS_SET 3 /* pc_bytes was filled */ #ifdef FEAT_MBYTE static char_u pc_bytes[MB_MAXBYTES + 1]; /* saved bytes */ #else static char_u pc_bytes[2]; /* saved bytes */ #endif static int pc_attr; static int pc_row; static int pc_col; void edit_putchar(c, highlight) int c; int highlight; { int attr; if (ScreenLines != NULL) { update_topline(); /* just in case w_topline isn't valid */ validate_cursor(); if (highlight) attr = hl_attr(HLF_8); else attr = 0; pc_row = W_WINROW(curwin) + curwin->w_wrow; pc_col = W_WINCOL(curwin); #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) pc_status = PC_STATUS_UNSET; #endif #ifdef FEAT_RIGHTLEFT if (curwin->w_p_rl) { pc_col += W_WIDTH(curwin) - 1 - curwin->w_wcol; # ifdef FEAT_MBYTE if (has_mbyte) { int fix_col = mb_fix_col(pc_col, pc_row); if (fix_col != pc_col) { screen_putchar(' ', pc_row, fix_col, attr); --curwin->w_wcol; pc_status = PC_STATUS_RIGHT; } } # endif } else #endif { pc_col += curwin->w_wcol; #ifdef FEAT_MBYTE if (mb_lefthalve(pc_row, pc_col)) pc_status = PC_STATUS_LEFT; #endif } /* save the character to be able to put it back */ #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) if (pc_status == PC_STATUS_UNSET) #endif { screen_getbytes(pc_row, pc_col, pc_bytes, &pc_attr); pc_status = PC_STATUS_SET; } screen_putchar(c, pc_row, pc_col, attr); } } /* * Undo the previous edit_putchar(). */ void edit_unputchar() { if (pc_status != PC_STATUS_UNSET && pc_row >= msg_scrolled) { #if defined(FEAT_MBYTE) if (pc_status == PC_STATUS_RIGHT) ++curwin->w_wcol; if (pc_status == PC_STATUS_RIGHT || pc_status == PC_STATUS_LEFT) redrawWinline(curwin->w_cursor.lnum, FALSE); else #endif screen_puts(pc_bytes, pc_row - msg_scrolled, pc_col, pc_attr); } } /* * Called when p_dollar is set: display a '$' at the end of the changed text * Only works when cursor is in the line that changes. */ void display_dollar(col) colnr_T col; { colnr_T save_col; if (!redrawing()) return; cursor_off(); save_col = curwin->w_cursor.col; curwin->w_cursor.col = col; #ifdef FEAT_MBYTE if (has_mbyte) { char_u *p; /* If on the last byte of a multi-byte move to the first byte. */ p = ml_get_curline(); curwin->w_cursor.col -= (*mb_head_off)(p, p + col); } #endif curs_columns(FALSE); /* recompute w_wrow and w_wcol */ if (curwin->w_wcol < W_WIDTH(curwin)) { edit_putchar('$', FALSE); dollar_vcol = curwin->w_virtcol; } curwin->w_cursor.col = save_col; } /* * Call this function before moving the cursor from the normal insert position * in insert mode. */ static void undisplay_dollar() { if (dollar_vcol) { dollar_vcol = 0; redrawWinline(curwin->w_cursor.lnum, FALSE); } } /* * Insert an indent (for or CTRL-T) or delete an indent (for CTRL-D). * Keep the cursor on the same character. * type == INDENT_INC increase indent (for CTRL-T or ) * type == INDENT_DEC decrease indent (for CTRL-D) * type == INDENT_SET set indent to "amount" * if round is TRUE, round the indent to 'shiftwidth' (only with _INC and _Dec). */ void change_indent(type, amount, round, replaced) int type; int amount; int round; int replaced; /* replaced character, put on replace stack */ { int vcol; int last_vcol; int insstart_less; /* reduction for Insstart.col */ int new_cursor_col; int i; char_u *ptr; int save_p_list; int start_col; colnr_T vc; #ifdef FEAT_VREPLACE colnr_T orig_col = 0; /* init for GCC */ char_u *new_line, *orig_line = NULL; /* init for GCC */ /* VREPLACE mode needs to know what the line was like before changing */ if (State & VREPLACE_FLAG) { orig_line = vim_strsave(ml_get_curline()); /* Deal with NULL below */ orig_col = curwin->w_cursor.col; } #endif /* for the following tricks we don't want list mode */ save_p_list = curwin->w_p_list; curwin->w_p_list = FALSE; vc = getvcol_nolist(&curwin->w_cursor); vcol = vc; /* * For Replace mode we need to fix the replace stack later, which is only * possible when the cursor is in the indent. Remember the number of * characters before the cursor if it's possible. */ start_col = curwin->w_cursor.col; /* determine offset from first non-blank */ new_cursor_col = curwin->w_cursor.col; beginline(BL_WHITE); new_cursor_col -= curwin->w_cursor.col; insstart_less = curwin->w_cursor.col; /* * If the cursor is in the indent, compute how many screen columns the * cursor is to the left of the first non-blank. */ if (new_cursor_col < 0) vcol = get_indent() - vcol; if (new_cursor_col > 0) /* can't fix replace stack */ start_col = -1; /* * Set the new indent. The cursor will be put on the first non-blank. */ if (type == INDENT_SET) (void)set_indent(amount, SIN_CHANGED); else { #ifdef FEAT_VREPLACE int save_State = State; /* Avoid being called recursively. */ if (State & VREPLACE_FLAG) State = INSERT; #endif shift_line(type == INDENT_DEC, round, 1); #ifdef FEAT_VREPLACE State = save_State; #endif } insstart_less -= curwin->w_cursor.col; /* * Try to put cursor on same character. * If the cursor is at or after the first non-blank in the line, * compute the cursor column relative to the column of the first * non-blank character. * If we are not in insert mode, leave the cursor on the first non-blank. * If the cursor is before the first non-blank, position it relative * to the first non-blank, counted in screen columns. */ if (new_cursor_col >= 0) { /* * When changing the indent while the cursor is touching it, reset * Insstart_col to 0. */ if (new_cursor_col == 0) insstart_less = MAXCOL; new_cursor_col += curwin->w_cursor.col; } else if (!(State & INSERT)) new_cursor_col = curwin->w_cursor.col; else { /* * Compute the screen column where the cursor should be. */ vcol = get_indent() - vcol; curwin->w_virtcol = (vcol < 0) ? 0 : vcol; /* * Advance the cursor until we reach the right screen column. */ vcol = last_vcol = 0; new_cursor_col = -1; ptr = ml_get_curline(); while (vcol <= (int)curwin->w_virtcol) { last_vcol = vcol; #ifdef FEAT_MBYTE if (has_mbyte && new_cursor_col >= 0) new_cursor_col += (*mb_ptr2len_check)(ptr + new_cursor_col); else #endif ++new_cursor_col; vcol += lbr_chartabsize(ptr + new_cursor_col, (colnr_T)vcol); } vcol = last_vcol; /* * May need to insert spaces to be able to position the cursor on * the right screen column. */ if (vcol != (int)curwin->w_virtcol) { curwin->w_cursor.col = new_cursor_col; i = (int)curwin->w_virtcol - vcol; ptr = alloc(i + 1); if (ptr != NULL) { new_cursor_col += i; ptr[i] = NUL; while (--i >= 0) ptr[i] = ' '; ins_str(ptr); vim_free(ptr); } } /* * When changing the indent while the cursor is in it, reset * Insstart_col to 0. */ insstart_less = MAXCOL; } curwin->w_p_list = save_p_list; if (new_cursor_col <= 0) curwin->w_cursor.col = 0; else curwin->w_cursor.col = new_cursor_col; curwin->w_set_curswant = TRUE; changed_cline_bef_curs(); /* * May have to adjust the start of the insert. */ if (State & INSERT) { if (curwin->w_cursor.lnum == Insstart.lnum && Insstart.col != 0) { if ((int)Insstart.col <= insstart_less) Insstart.col = 0; else Insstart.col -= insstart_less; } if ((int)ai_col <= insstart_less) ai_col = 0; else ai_col -= insstart_less; } /* * For REPLACE mode, may have to fix the replace stack, if it's possible. * If the number of characters before the cursor decreased, need to pop a * few characters from the replace stack. * If the number of characters before the cursor increased, need to push a * few NULs onto the replace stack. */ if (REPLACE_NORMAL(State) && start_col >= 0) { while (start_col > (int)curwin->w_cursor.col) { replace_join(0); /* remove a NUL from the replace stack */ --start_col; } while (start_col < (int)curwin->w_cursor.col || replaced) { replace_push(NUL); if (replaced) { replace_push(replaced); replaced = NUL; } ++start_col; } } #ifdef FEAT_VREPLACE /* * For VREPLACE mode, we also have to fix the replace stack. In this case * it is always possible because we backspace over the whole line and then * put it back again the way we wanted it. */ if (State & VREPLACE_FLAG) { /* If orig_line didn't allocate, just return. At least we did the job, * even if you can't backspace. */ if (orig_line == NULL) return; /* Save new line */ new_line = vim_strsave(ml_get_curline()); if (new_line == NULL) return; /* We only put back the new line up to the cursor */ new_line[curwin->w_cursor.col] = NUL; /* Put back original line */ ml_replace(curwin->w_cursor.lnum, orig_line, FALSE); curwin->w_cursor.col = orig_col; /* Backspace from cursor to start of line */ backspace_until_column(0); /* Insert new stuff into line again */ ins_bytes(new_line); vim_free(new_line); } #endif } /* * Truncate the space at the end of a line. This is to be used only in an * insert mode. It handles fixing the replace stack for REPLACE and VREPLACE * modes. */ void truncate_spaces(line) char_u *line; { int i; /* find start of trailing white space */ for (i = (int)STRLEN(line) - 1; i >= 0 && vim_iswhite(line[i]); i--) { if (State & REPLACE_FLAG) replace_join(0); /* remove a NUL from the replace stack */ } line[i + 1] = NUL; } #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \ || defined(FEAT_COMMENTS) || defined(PROTO) /* * Backspace the cursor until the given column. Handles REPLACE and VREPLACE * modes correctly. May also be used when not in insert mode at all. */ void backspace_until_column(col) int col; { while ((int)curwin->w_cursor.col > col) { curwin->w_cursor.col--; if (State & REPLACE_FLAG) replace_do_bs(); else (void)del_char(FALSE); } } #endif #if defined(FEAT_INS_EXPAND) || defined(PROTO) /* * Is the character 'c' a valid key to go to or keep us in CTRL-X mode? * This depends on the current mode. */ int vim_is_ctrl_x_key(c) int c; { /* Always allow ^R - let it's results then be checked */ if (c == Ctrl_R) return TRUE; switch (ctrl_x_mode) { case 0: /* Not in any CTRL-X mode */ return (c == Ctrl_N || c == Ctrl_P || c == Ctrl_X); case CTRL_X_NOT_DEFINED_YET: return ( c == Ctrl_X || c == Ctrl_Y || c == Ctrl_E || c == Ctrl_L || c == Ctrl_F || c == Ctrl_RSB || c == Ctrl_I || c == Ctrl_D || c == Ctrl_P || c == Ctrl_N || c == Ctrl_T || c == Ctrl_V || c == Ctrl_Q); case CTRL_X_SCROLL: return (c == Ctrl_Y || c == Ctrl_E); case CTRL_X_WHOLE_LINE: return (c == Ctrl_L || c == Ctrl_P || c == Ctrl_N); case CTRL_X_FILES: return (c == Ctrl_F || c == Ctrl_P || c == Ctrl_N); case CTRL_X_DICTIONARY: return (c == Ctrl_K || c == Ctrl_P || c == Ctrl_N); case CTRL_X_THESAURUS: return (c == Ctrl_T || c == Ctrl_P || c == Ctrl_N); case CTRL_X_TAGS: return (c == Ctrl_RSB || c == Ctrl_P || c == Ctrl_N); #ifdef FEAT_FIND_ID case CTRL_X_PATH_PATTERNS: return (c == Ctrl_P || c == Ctrl_N); case CTRL_X_PATH_DEFINES: return (c == Ctrl_D || c == Ctrl_P || c == Ctrl_N); #endif case CTRL_X_CMDLINE: return (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N || c == Ctrl_X); #ifdef FEAT_COMPL_FUNC case CTRL_X_FUNCTION: return (c == Ctrl_U || c == Ctrl_P || c == Ctrl_N || c == Ctrl_X); #endif } EMSG(_(e_internal)); return FALSE; } /* * This is like ins_compl_add(), but if ic and inf are set, then the * case of the originally typed text is used, and the case of the completed * text is infered, ie this tries to work out what case you probably wanted * the rest of the word to be in -- webb */ int ins_compl_add_infercase(str, len, fname, dir, reuse) char_u *str; int len; char_u *fname; int dir; int reuse; { int has_lower = FALSE; int was_letter = FALSE; int idx; if (p_ic && curbuf->b_p_inf && len < IOSIZE) { /* Infer case of completed part -- webb */ /* Use IObuff, str would change text in buffer! */ STRNCPY(IObuff, str, len); IObuff[len] = NUL; /* Rule 1: Were any chars converted to lower? */ for (idx = 0; idx < completion_length; ++idx) { if (islower(original_text[idx])) { has_lower = TRUE; if (isupper(IObuff[idx])) { /* Rule 1 is satisfied */ for (idx = completion_length; idx < len; ++idx) IObuff[idx] = TOLOWER_LOC(IObuff[idx]); break; } } } /* * Rule 2: No lower case, 2nd consecutive letter converted to * upper case. */ if (!has_lower) { for (idx = 0; idx < completion_length; ++idx) { if (was_letter && isupper(original_text[idx]) && islower(IObuff[idx])) { /* Rule 2 is satisfied */ for (idx = completion_length; idx < len; ++idx) IObuff[idx] = TOUPPER_LOC(IObuff[idx]); break; } was_letter = isalpha(original_text[idx]); } } /* Copy the original case of the part we typed */ STRNCPY(IObuff, original_text, completion_length); return ins_compl_add(IObuff, len, fname, dir, reuse); } return ins_compl_add(str, len, fname, dir, reuse); } /* * Add a match to the list of matches. * If the given string is already in the list of completions, then return * FAIL, otherwise add it to the list and return OK. If there is an error, * maybe because alloc returns NULL, then RET_ERROR is returned -- webb. */ static int ins_compl_add(str, len, fname, dir, reuse) char_u *str; int len; char_u *fname; int dir; int reuse; { struct Completion *match; ui_breakcheck(); if (got_int) return RET_ERROR; if (len < 0) len = (int)STRLEN(str); /* * If the same match is already present, don't add it. */ if (first_match != NULL) { match = first_match; do { if ( !(match->original & ORIGINAL_TEXT) && STRNCMP(match->str, str, (size_t)len) == 0 && match->str[len] == NUL) return FAIL; match = match->next; } while (match != NULL && match != first_match); } /* * Allocate a new match structure. * Copy the values to the new match structure. */ match = (struct Completion *)alloc((unsigned)sizeof(struct Completion)); if (match == NULL) return RET_ERROR; match->number = -1; if (reuse & ORIGINAL_TEXT) { match->number = 0; match->str = original_text; } else if ((match->str = vim_strnsave(str, len)) == NULL) { vim_free(match); return RET_ERROR; } /* match-fname is: * - curr_match->fname if it is a string equal to fname. * - a copy of fname, FREE_FNAME is set to free later THE allocated mem. * - NULL otherwise. --Acevedo */ if (fname && curr_match && curr_match->fname && STRCMP(fname, curr_match->fname) == 0) match->fname = curr_match->fname; else if (fname && (match->fname = vim_strsave(fname)) != NULL) reuse |= FREE_FNAME; else match->fname = NULL; match->original = reuse; /* * Link the new match structure in the list of matches. */ if (first_match == NULL) match->next = match->prev = NULL; else if (dir == FORWARD) { match->next = curr_match->next; match->prev = curr_match; } else /* BACKWARD */ { match->next = curr_match; match->prev = curr_match->prev; } if (match->next) match->next->prev = match; if (match->prev) match->prev->next = match; else /* if there's nothing before, it is the first match */ first_match = match; curr_match = match; return OK; } /* * Add an array of matches to the list of matches. * Frees matches[]. */ static void ins_compl_add_matches(num_matches, matches, dir) int num_matches; char_u **matches; int dir; { int i; int add_r = OK; int ldir = dir; for (i = 0; i < num_matches && add_r != RET_ERROR; i++) if ((add_r = ins_compl_add(matches[i], -1, NULL, ldir, 0)) == OK) /* if dir was BACKWARD then honor it just once */ ldir = FORWARD; FreeWild(num_matches, matches); } /* Make the completion list cyclic. * Return the number of matches (excluding the original). */ static int ins_compl_make_cyclic() { struct Completion *match; int count = 0; if (first_match != NULL) { /* * Find the end of the list. */ match = first_match; /* there's always an entry for the original_text, it doesn't count. */ while (match->next != NULL && match->next != first_match) { match = match->next; ++count; } match->next = first_match; first_match->prev = match; } return count; } #define DICT_FIRST (1) /* use just first element in "dict" */ #define DICT_EXACT (2) /* "dict" is the exact name of a file */ /* * Add any identifiers that match the given pattern to the list of * completions. */ static void ins_compl_dictionaries(dict, pat, dir, flags, thesaurus) char_u *dict; char_u *pat; int dir; int flags; int thesaurus; { char_u *ptr; char_u *buf; FILE *fp; regmatch_T regmatch; int add_r; char_u **files; int count; int i; int save_p_scs; buf = alloc(LSIZE); /* If 'infercase' is set, don't use 'smartcase' here */ save_p_scs = p_scs; if (curbuf->b_p_inf) p_scs = FALSE; regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); /* ignore case depends on 'ignorecase', 'smartcase' and "pat" */ regmatch.rm_ic = ignorecase(pat); while (buf != NULL && regmatch.regprog != NULL && *dict != NUL && !got_int && !completion_interrupted) { /* copy one dictionary file name into buf */ if (flags == DICT_EXACT) { count = 1; files = &dict; } else { /* Expand wildcards in the dictionary name, but do not allow * backticks (for security, the 'dict' option may have been set in * a modeline). */ copy_option_part(&dict, buf, LSIZE, ","); if (vim_strchr(buf, '`') != NULL || expand_wildcards(1, &buf, &count, &files, EW_FILE|EW_SILENT) != OK) count = 0; } for (i = 0; i < count && !got_int && !completion_interrupted; i++) { fp = mch_fopen((char *)files[i], "r"); /* open dictionary file */ if (flags != DICT_EXACT) { vim_snprintf((char *)IObuff, IOSIZE, _("Scanning dictionary: %s"), (char *)files[i]); msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); } if (fp != NULL) { /* * Read dictionary file line by line. * Check each line for a match. */ while (!got_int && !completion_interrupted && !vim_fgets(buf, LSIZE, fp)) { ptr = buf; while (vim_regexec(®match, buf, (colnr_T)(ptr - buf))) { ptr = regmatch.startp[0]; ptr = find_word_end(ptr); add_r = ins_compl_add_infercase(regmatch.startp[0], (int)(ptr - regmatch.startp[0]), files[i], dir, 0); if (thesaurus) { char_u *wstart; /* * Add the other matches on the line */ while (!got_int) { /* Find start of the next word. Skip white * space and punctuation. */ ptr = find_word_start(ptr); if (*ptr == NUL || *ptr == NL) break; wstart = ptr; /* Find end of the word and add it. */ #ifdef FEAT_MBYTE if (has_mbyte) /* Japanese words may have characters in * different classes, only separate words * with single-byte non-word characters. */ while (*ptr != NUL) { int l = (*mb_ptr2len_check)(ptr); if (l < 2 && !vim_iswordc(*ptr)) break; ptr += l; } else #endif ptr = find_word_end(ptr); add_r = ins_compl_add_infercase(wstart, (int)(ptr - wstart), files[i], dir, 0); } } if (add_r == OK) /* if dir was BACKWARD then honor it just once */ dir = FORWARD; else if (add_r == RET_ERROR) break; /* avoid expensive call to vim_regexec() when at end * of line */ if (*ptr == '\n' || got_int) break; } line_breakcheck(); ins_compl_check_keys(); } fclose(fp); } } if (flags != DICT_EXACT) FreeWild(count, files); if (flags) break; } p_scs = save_p_scs; vim_free(regmatch.regprog); vim_free(buf); } /* * Find the start of the next word. * Returns a pointer to the first char of the word. Also stops at a NUL. */ char_u * find_word_start(ptr) char_u *ptr; { #ifdef FEAT_MBYTE if (has_mbyte) while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1) ptr += (*mb_ptr2len_check)(ptr); else #endif while (*ptr != NUL && *ptr != '\n' && !vim_iswordc(*ptr)) ++ptr; return ptr; } /* * Find the end of the word. Assumes it starts inside a word. * Returns a pointer to just after the word. */ char_u * find_word_end(ptr) char_u *ptr; { #ifdef FEAT_MBYTE int start_class; if (has_mbyte) { start_class = mb_get_class(ptr); if (start_class > 1) while (*ptr != NUL) { ptr += (*mb_ptr2len_check)(ptr); if (mb_get_class(ptr) != start_class) break; } } else #endif while (vim_iswordc(*ptr)) ++ptr; return ptr; } /* * Free the list of completions */ static void ins_compl_free() { struct Completion *match; vim_free(complete_pat); complete_pat = NULL; if (first_match == NULL) return; curr_match = first_match; do { match = curr_match; curr_match = curr_match->next; vim_free(match->str); /* several entries may use the same fname, free it just once. */ if (match->original & FREE_FNAME) vim_free(match->fname); vim_free(match); } while (curr_match != NULL && curr_match != first_match); first_match = curr_match = NULL; } static void ins_compl_clear() { continue_status = 0; started_completion = FALSE; completion_matches = 0; vim_free(complete_pat); complete_pat = NULL; save_sm = -1; edit_submode_extra = NULL; } /* * Prepare for Insert mode completion, or stop it. */ static void ins_compl_prep(c) int c; { char_u *ptr; char_u *tmp_ptr; int temp; int want_cindent; /* Forget any previous 'special' messages if this is actually * a ^X mode key - bar ^R, in which case we wait to see what it gives us. */ if (c != Ctrl_R && vim_is_ctrl_x_key(c)) edit_submode_extra = NULL; /* Ignore end of Select mode mapping */ if (c == K_SELECT) return; if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET) { /* * We have just typed CTRL-X and aren't quite sure which CTRL-X mode * it will be yet. Now we decide. */ switch (c) { case Ctrl_E: case Ctrl_Y: ctrl_x_mode = CTRL_X_SCROLL; if (!(State & REPLACE_FLAG)) edit_submode = (char_u *)_(" (insert) Scroll (^E/^Y)"); else edit_submode = (char_u *)_(" (replace) Scroll (^E/^Y)"); edit_submode_pre = NULL; showmode(); break; case Ctrl_L: ctrl_x_mode = CTRL_X_WHOLE_LINE; break; case Ctrl_F: ctrl_x_mode = CTRL_X_FILES; break; case Ctrl_K: ctrl_x_mode = CTRL_X_DICTIONARY; break; case Ctrl_R: /* Simply allow ^R to happen without affecting ^X mode */ break; case Ctrl_T: ctrl_x_mode = CTRL_X_THESAURUS; break; #ifdef FEAT_COMPL_FUNC case Ctrl_U: ctrl_x_mode = CTRL_X_FUNCTION; break; #endif case Ctrl_RSB: ctrl_x_mode = CTRL_X_TAGS; break; #ifdef FEAT_FIND_ID case Ctrl_I: case K_S_TAB: ctrl_x_mode = CTRL_X_PATH_PATTERNS; break; case Ctrl_D: ctrl_x_mode = CTRL_X_PATH_DEFINES; break; #endif case Ctrl_V: case Ctrl_Q: ctrl_x_mode = CTRL_X_CMDLINE; break; case Ctrl_P: case Ctrl_N: /* ^X^P means LOCAL expansion if nothing interrupted (eg we * just started ^X mode, or there were enough ^X's to cancel * the previous mode, say ^X^F^X^X^P or ^P^X^X^X^P, see below) * do normal expansion when interrupting a different mode (say * ^X^F^X^P or ^P^X^X^P, see below) * nothing changes if interrupting mode 0, (eg, the flag * doesn't change when going to ADDING mode -- Acevedo */ if (!(continue_status & CONT_INTRPT)) continue_status |= CONT_LOCAL; else if (continue_mode != 0) continue_status &= ~CONT_LOCAL; /* FALLTHROUGH */ default: /* if we have typed at least 2 ^X's... for modes != 0, we set * continue_status = 0 (eg, as if we had just started ^X mode) * for mode 0, we set continue_mode to an impossible value, in * both cases ^X^X can be used to restart the same mode * (avoiding ADDING mode). Undocumented feature: * In a mode != 0 ^X^P and ^X^X^P start 'complete' and local * ^P expansions respectively. In mode 0 an extra ^X is * needed since ^X^P goes to ADDING mode -- Acevedo */ if (c == Ctrl_X) { if (continue_mode != 0) continue_status = 0; else continue_mode = CTRL_X_NOT_DEFINED_YET; } ctrl_x_mode = 0; edit_submode = NULL; showmode(); break; } } else if (ctrl_x_mode != 0) { /* We're already in CTRL-X mode, do we stay in it? */ if (!vim_is_ctrl_x_key(c)) { if (ctrl_x_mode == CTRL_X_SCROLL) ctrl_x_mode = 0; else ctrl_x_mode = CTRL_X_FINISHED; edit_submode = NULL; } showmode(); } if (started_completion || ctrl_x_mode == CTRL_X_FINISHED) { /* Show error message from attempted keyword completion (probably * 'Pattern not found') until another key is hit, then go back to * showing what mode we are in. */ showmode(); if ((ctrl_x_mode == 0 && c != Ctrl_N && c != Ctrl_P && c != Ctrl_R) || ctrl_x_mode == CTRL_X_FINISHED) { /* Get here when we have finished typing a sequence of ^N and * ^P or other completion characters in CTRL-X mode. Free up * memory that was used, and make sure we can redo the insert. */ if (curr_match != NULL) { /* * If any of the original typed text has been changed, * eg when ignorecase is set, we must add back-spaces to * the redo buffer. We add as few as necessary to delete * just the part of the original text that has changed. */ ptr = curr_match->str; tmp_ptr = original_text; while (*tmp_ptr && *tmp_ptr == *ptr) { ++tmp_ptr; ++ptr; } for (temp = 0; tmp_ptr[temp]; ++temp) AppendCharToRedobuff(K_BS); AppendToRedobuffLit(ptr); } #ifdef FEAT_CINDENT want_cindent = (can_cindent && cindent_on()); #endif /* * When completing whole lines: fix indent for 'cindent'. * Otherwise, break line if it's too long. */ if (continue_mode == CTRL_X_WHOLE_LINE) { #ifdef FEAT_CINDENT /* re-indent the current line */ if (want_cindent) { do_c_expr_indent(); want_cindent = FALSE; /* don't do it again */ } #endif } else { /* put the cursor on the last char, for 'tw' formatting */ curwin->w_cursor.col--; if (stop_arrow() == OK) insertchar(NUL, 0, -1); curwin->w_cursor.col++; } auto_format(FALSE, TRUE); ins_compl_free(); started_completion = FALSE; completion_matches = 0; msg_clr_cmdline(); /* necessary for "noshowmode" */ ctrl_x_mode = 0; p_sm = save_sm; if (edit_submode != NULL) { edit_submode = NULL; showmode(); } #ifdef FEAT_CINDENT /* * Indent now if a key was typed that is in 'cinkeys'. */ if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0))) do_c_expr_indent(); #endif } } /* reset continue_* if we left expansion-mode, if we stay they'll be * (re)set properly in ins_complete() */ if (!vim_is_ctrl_x_key(c)) { continue_status = 0; continue_mode = 0; } } /* * Loops through the list of windows, loaded-buffers or non-loaded-buffers * (depending on flag) starting from buf and looking for a non-scanned * buffer (other than curbuf). curbuf is special, if it is called with * buf=curbuf then it has to be the first call for a given flag/expansion. * * Returns the buffer to scan, if any, otherwise returns curbuf -- Acevedo */ static buf_T * ins_compl_next_buf(buf, flag) buf_T *buf; int flag; { #ifdef FEAT_WINDOWS static win_T *wp; #endif if (flag == 'w') /* just windows */ { #ifdef FEAT_WINDOWS if (buf == curbuf) /* first call for this flag/expansion */ wp = curwin; while ((wp = wp->w_next != NULL ? wp->w_next : firstwin) != curwin && wp->w_buffer->b_scanned) ; buf = wp->w_buffer; #else buf = curbuf; #endif } else /* 'b' (just loaded buffers), 'u' (just non-loaded buffers) or 'U' * (unlisted buffers) * When completing whole lines skip unloaded buffers. */ while ((buf = buf->b_next != NULL ? buf->b_next : firstbuf) != curbuf && ((flag == 'U' ? buf->b_p_bl : (!buf->b_p_bl || (buf->b_ml.ml_mfp == NULL) != (flag == 'u'))) || buf->b_scanned || (buf->b_ml.ml_mfp == NULL && ctrl_x_mode == CTRL_X_WHOLE_LINE))) ; return buf; } #ifdef FEAT_COMPL_FUNC static char_u *call_completefunc __ARGS((char_u *line, char_u *base, int col, int preproc)); static int expand_by_function __ARGS((linenr_T lnum, int col, char_u *base, char_u ***matches)); /* * Execute user defined complete function 'completefunc'. * Return NULL if some error occurs. */ static char_u * call_completefunc(line, base, col, preproc) char_u *line; char_u *base; int col; int preproc; { char_u colbuf[30]; char_u *args[4]; /* Return NULL when 'completefunc' isn't set. */ if (*curbuf->b_p_cfu == NUL) return NULL; sprintf((char *)colbuf, "%d", col + (base ? (int)STRLEN(base) : 0)); args[0] = line; args[1] = base; args[2] = colbuf; args[3] = (char_u *)(preproc ? "1" : "0"); return call_vim_function(curbuf->b_p_cfu, 4, args, FALSE); } /* * Execute user defined complete function 'completefunc', and get candidates * are separeted with "\n". Return value is number of candidates and array * of candidates as "matches". */ static int expand_by_function(lnum, col, base, matches) linenr_T lnum; int col; char_u *base; char_u ***matches; { char_u *matchstr = NULL; /* Execute 'completefunc' and get the result */ matchstr = call_completefunc(ml_get_buf(curbuf, lnum, FALSE), base, col, 0); /* Parse returned string */ if (matchstr != NULL) { garray_T ga; char_u *p, *pnext; ga_init2(&ga, (int)sizeof(char*), 8); for (p = matchstr; *p != NUL; p = pnext) { int len; pnext = vim_strchr(p, '\n'); if (pnext == NULL) pnext = p + STRLEN(p); len = pnext - p; if (len > 0) { if (ga_grow(&ga, 1) == FAIL) break; ((char_u **)ga.ga_data)[ga.ga_len] = vim_strnsave(p, len); ++ga.ga_len; } if (*pnext != NUL) ++pnext; } vim_free(matchstr); if (ga.ga_len > 0) *matches = (char_u**)ga.ga_data; return ga.ga_len; } return 0; } #endif /* FEAT_COMPL_FUNC */ /* * Get the next expansion(s) for the text starting at the initial curbuf * position "ini" and in the direction dir. * Return the total of matches or -1 if still unknown -- Acevedo */ static int ins_compl_get_exp(ini, dir) pos_T *ini; int dir; { static pos_T first_match_pos; static pos_T last_match_pos; static char_u *e_cpt = (char_u *)""; /* curr. entry in 'complete' */ static int found_all = FALSE; /* Found all matches. */ static buf_T *ins_buf = NULL; pos_T *pos; char_u **matches; int save_p_scs; int save_p_ws; int save_p_ic; int i; int num_matches; int len; int found_new_match; int type = ctrl_x_mode; char_u *ptr; char_u *tmp_ptr; char_u *dict = NULL; int dict_f = 0; struct Completion *old_match; if (!started_completion) { for (ins_buf = firstbuf; ins_buf != NULL; ins_buf = ins_buf->b_next) ins_buf->b_scanned = 0; found_all = FALSE; ins_buf = curbuf; e_cpt = (continue_status & CONT_LOCAL) ? (char_u *)"." : curbuf->b_p_cpt; last_match_pos = first_match_pos = *ini; } old_match = curr_match; /* remember the last current match */ pos = (dir == FORWARD) ? &last_match_pos : &first_match_pos; /* For ^N/^P loop over all the flags/windows/buffers in 'complete' */ for (;;) { found_new_match = FAIL; /* For ^N/^P pick a new entry from e_cpt if started_completion is off, * or if found_all says this entry is done. For ^X^L only use the * entries from 'complete' that look in loaded buffers. */ if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE) && (!started_completion || found_all)) { found_all = FALSE; while (*e_cpt == ',' || *e_cpt == ' ') e_cpt++; if (*e_cpt == '.' && !curbuf->b_scanned) { ins_buf = curbuf; first_match_pos = *ini; /* So that ^N can match word immediately after cursor */ if (ctrl_x_mode == 0) dec(&first_match_pos); last_match_pos = first_match_pos; type = 0; } else if (vim_strchr((char_u *)"buwU", *e_cpt) != NULL && (ins_buf = ins_compl_next_buf(ins_buf, *e_cpt)) != curbuf) { /* Scan a buffer, but not the current one. */ if (ins_buf->b_ml.ml_mfp != NULL) /* loaded buffer */ { started_completion = TRUE; first_match_pos.col = last_match_pos.col = 0; first_match_pos.lnum = ins_buf->b_ml.ml_line_count + 1; last_match_pos.lnum = 0; type = 0; } else /* unloaded buffer, scan like dictionary */ { found_all = TRUE; if (ins_buf->b_fname == NULL) continue; type = CTRL_X_DICTIONARY; dict = ins_buf->b_fname; dict_f = DICT_EXACT; } vim_snprintf((char *)IObuff, IOSIZE, _("Scanning: %s"), ins_buf->b_fname == NULL ? buf_spname(ins_buf) : ins_buf->b_sfname == NULL ? (char *)ins_buf->b_fname : (char *)ins_buf->b_sfname); msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); } else if (*e_cpt == NUL) break; else { if (ctrl_x_mode == CTRL_X_WHOLE_LINE) type = -1; else if (*e_cpt == 'k' || *e_cpt == 's') { if (*e_cpt == 'k') type = CTRL_X_DICTIONARY; else type = CTRL_X_THESAURUS; if (*++e_cpt != ',' && *e_cpt != NUL) { dict = e_cpt; dict_f = DICT_FIRST; } } #ifdef FEAT_FIND_ID else if (*e_cpt == 'i') type = CTRL_X_PATH_PATTERNS; else if (*e_cpt == 'd') type = CTRL_X_PATH_DEFINES; #endif else if (*e_cpt == ']' || *e_cpt == 't') { type = CTRL_X_TAGS; sprintf((char*)IObuff, _("Scanning tags.")); msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); } else type = -1; /* in any case e_cpt is advanced to the next entry */ (void)copy_option_part(&e_cpt, IObuff, IOSIZE, ","); found_all = TRUE; if (type == -1) continue; } } switch (type) { case -1: break; #ifdef FEAT_FIND_ID case CTRL_X_PATH_PATTERNS: case CTRL_X_PATH_DEFINES: find_pattern_in_path(complete_pat, dir, (int)STRLEN(complete_pat), FALSE, FALSE, (type == CTRL_X_PATH_DEFINES && !(continue_status & CONT_SOL)) ? FIND_DEFINE : FIND_ANY, 1L, ACTION_EXPAND, (linenr_T)1, (linenr_T)MAXLNUM); break; #endif case CTRL_X_DICTIONARY: case CTRL_X_THESAURUS: ins_compl_dictionaries( dict ? dict : (type == CTRL_X_THESAURUS ? (*curbuf->b_p_tsr == NUL ? p_tsr : curbuf->b_p_tsr) : (*curbuf->b_p_dict == NUL ? p_dict : curbuf->b_p_dict)), complete_pat, dir, dict ? dict_f : 0, type == CTRL_X_THESAURUS); dict = NULL; break; case CTRL_X_TAGS: /* set p_ic according to p_ic, p_scs and pat for find_tags(). */ save_p_ic = p_ic; p_ic = ignorecase(complete_pat); /* Find up to TAG_MANY matches. Avoids that an enourmous number * of matches is found when complete_pat is empty */ if (find_tags(complete_pat, &num_matches, &matches, TAG_REGEXP | TAG_NAMES | TAG_NOIC | TAG_INS_COMP | (ctrl_x_mode ? TAG_VERBOSE : 0), TAG_MANY, curbuf->b_ffname) == OK && num_matches > 0) { ins_compl_add_matches(num_matches, matches, dir); } p_ic = save_p_ic; break; case CTRL_X_FILES: if (expand_wildcards(1, &complete_pat, &num_matches, &matches, EW_FILE|EW_DIR|EW_ADDSLASH|EW_SILENT) == OK) { /* May change home directory back to "~". */ tilde_replace(complete_pat, num_matches, matches); ins_compl_add_matches(num_matches, matches, dir); } break; case CTRL_X_CMDLINE: if (expand_cmdline(&complete_xp, complete_pat, (int)STRLEN(complete_pat), &num_matches, &matches) == EXPAND_OK) ins_compl_add_matches(num_matches, matches, dir); break; #ifdef FEAT_COMPL_FUNC case CTRL_X_FUNCTION: num_matches = expand_by_function(first_match_pos.lnum, first_match_pos.col, complete_pat, &matches); if (num_matches > 0) ins_compl_add_matches(num_matches, matches, dir); break; #endif default: /* normal ^P/^N and ^X^L */ /* * If 'infercase' is set, don't use 'smartcase' here */ save_p_scs = p_scs; if (ins_buf->b_p_inf) p_scs = FALSE; /* buffers other than curbuf are scanned from the beginning or the * end but never from the middle, thus setting nowrapscan in this * buffers is a good idea, on the other hand, we always set * wrapscan for curbuf to avoid missing matches -- Acevedo,Webb */ save_p_ws = p_ws; if (ins_buf != curbuf) p_ws = FALSE; else if (*e_cpt == '.') p_ws = TRUE; for (;;) { int reuse = 0; /* ctrl_x_mode == CTRL_X_WHOLE_LINE || word-wise search that has * added a word that was at the beginning of the line */ if ( ctrl_x_mode == CTRL_X_WHOLE_LINE || (continue_status & CONT_SOL)) found_new_match = search_for_exact_line(ins_buf, pos, dir, complete_pat); else found_new_match = searchit(NULL, ins_buf, pos, dir, complete_pat, 1L, SEARCH_KEEP + SEARCH_NFMSG, RE_LAST); if (!started_completion) { /* set started_completion even on fail */ started_completion = TRUE; first_match_pos = *pos; last_match_pos = *pos; } else if (first_match_pos.lnum == last_match_pos.lnum && first_match_pos.col == last_match_pos.col) found_new_match = FAIL; if (found_new_match == FAIL) { if (ins_buf == curbuf) found_all = TRUE; break; } /* when ADDING, the text before the cursor matches, skip it */ if ( (continue_status & CONT_ADDING) && ins_buf == curbuf && ini->lnum == pos->lnum && ini->col == pos->col) continue; ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col; if (ctrl_x_mode == CTRL_X_WHOLE_LINE) { if (continue_status & CONT_ADDING) { if (pos->lnum >= ins_buf->b_ml.ml_line_count) continue; ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); if (!p_paste) ptr = skipwhite(ptr); } len = (int)STRLEN(ptr); } else { tmp_ptr = ptr; if (continue_status & CONT_ADDING) { tmp_ptr += completion_length; /* Skip if already inside a word. */ if (vim_iswordp(tmp_ptr)) continue; /* Find start of next word. */ tmp_ptr = find_word_start(tmp_ptr); } /* Find end of this word. */ tmp_ptr = find_word_end(tmp_ptr); len = (int)(tmp_ptr - ptr); if ((continue_status & CONT_ADDING) && len == completion_length) { if (pos->lnum < ins_buf->b_ml.ml_line_count) { /* Try next line, if any. the new word will be * "join" as if the normal command "J" was used. * IOSIZE is always greater than * completion_length, so the next STRNCPY always * works -- Acevedo */ STRNCPY(IObuff, ptr, len); ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); tmp_ptr = ptr = skipwhite(ptr); /* Find start of next word. */ tmp_ptr = find_word_start(tmp_ptr); /* Find end of next word. */ tmp_ptr = find_word_end(tmp_ptr); if (tmp_ptr > ptr) { if (*ptr != ')' && IObuff[len-1] != TAB) { if (IObuff[len-1] != ' ') IObuff[len++] = ' '; /* IObuf =~ "\k.* ", thus len >= 2 */ if (p_js && (IObuff[len-2] == '.' || (vim_strchr(p_cpo, CPO_JOINSP) == NULL && (IObuff[len-2] == '?' || IObuff[len-2] == '!')))) IObuff[len++] = ' '; } /* copy as much as posible of the new word */ if (tmp_ptr - ptr >= IOSIZE - len) tmp_ptr = ptr + IOSIZE - len - 1; STRNCPY(IObuff + len, ptr, tmp_ptr - ptr); len += (int)(tmp_ptr - ptr); reuse |= CONT_S_IPOS; } IObuff[len] = NUL; ptr = IObuff; } if (len == completion_length) continue; } } if (ins_compl_add_infercase(ptr, len, ins_buf == curbuf ? NULL : ins_buf->b_sfname, dir, reuse) != FAIL) { found_new_match = OK; break; } } p_scs = save_p_scs; p_ws = save_p_ws; } /* check if curr_match has changed, (e.g. other type of expansion * added somenthing) */ if (curr_match != old_match) found_new_match = OK; /* break the loop for specialized modes (use 'complete' just for the * generic ctrl_x_mode == 0) or when we've found a new match */ if ((ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE) || found_new_match != FAIL) break; /* Mark a buffer scanned when it has been scanned completely */ if (type == 0 || type == CTRL_X_PATH_PATTERNS) ins_buf->b_scanned = TRUE; started_completion = FALSE; } started_completion = TRUE; if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE) && *e_cpt == NUL) /* Got to end of 'complete' */ found_new_match = FAIL; i = -1; /* total of matches, unknown */ if (found_new_match == FAIL || (ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE)) i = ins_compl_make_cyclic(); /* If several matches were added (FORWARD) or the search failed and has * just been made cyclic then we have to move curr_match to the next or * previous entry (if any) -- Acevedo */ curr_match = dir == FORWARD ? old_match->next : old_match->prev; if (curr_match == NULL) curr_match = old_match; return i; } /* Delete the old text being completed. */ static void ins_compl_delete() { int i; /* * In insert mode: Delete the typed part. * In replace mode: Put the old characters back, if any. */ i = complete_col + (continue_status & CONT_ADDING ? completion_length : 0); backspace_until_column(i); changed_cline_bef_curs(); } /* Insert the new text being completed. */ static void ins_compl_insert() { ins_bytes(shown_match->str + curwin->w_cursor.col - complete_col); } /* * Fill in the next completion in the current direction. * If allow_get_expansion is TRUE, then we may call ins_compl_get_exp() to get * more completions. If it is FALSE, then we just do nothing when there are * no more completions in a given direction. The latter case is used when we * are still in the middle of finding completions, to allow browsing through * the ones found so far. * Return the total number of matches, or -1 if still unknown -- webb. * * curr_match is currently being used by ins_compl_get_exp(), so we use * shown_match here. * * Note that this function may be called recursively once only. First with * allow_get_expansion TRUE, which calls ins_compl_get_exp(), which in turn * calls this function with allow_get_expansion FALSE. */ static int ins_compl_next(allow_get_expansion) int allow_get_expansion; { int num_matches = -1; int i; if (allow_get_expansion) { /* Delete old text to be replaced */ ins_compl_delete(); } completion_pending = FALSE; if (shown_direction == FORWARD && shown_match->next != NULL) shown_match = shown_match->next; else if (shown_direction == BACKWARD && shown_match->prev != NULL) shown_match = shown_match->prev; else { completion_pending = TRUE; if (allow_get_expansion) { num_matches = ins_compl_get_exp(&initial_pos, complete_direction); if (completion_pending) { if (complete_direction == shown_direction) shown_match = curr_match; } } else return -1; } /* Insert the text of the new completion */ ins_compl_insert(); if (!allow_get_expansion) { /* Display the current match. */ update_screen(0); /* Delete old text to be replaced, since we're still searching and * don't want to match ourselves! */ ins_compl_delete(); } /* * Show the file name for the match (if any) * Truncate the file name to avoid a wait for return. */ if (shown_match->fname != NULL) { STRCPY(IObuff, "match in file "); i = (vim_strsize(shown_match->fname) + 16) - sc_col; if (i <= 0) i = 0; else STRCAT(IObuff, "<"); STRCAT(IObuff, shown_match->fname + i); msg(IObuff); redraw_cmdline = FALSE; /* don't overwrite! */ } return num_matches; } /* * Call this while finding completions, to check whether the user has hit a key * that should change the currently displayed completion, or exit completion * mode. Also, when completion_pending is TRUE, show a completion as soon as * possible. -- webb */ void ins_compl_check_keys() { static int count = 0; int c; /* Don't check when reading keys from a script. That would break the test * scripts */ if (using_script()) return; /* Only do this at regular intervals */ if (++count < CHECK_KEYS_TIME) return; count = 0; ++no_mapping; c = vpeekc_any(); --no_mapping; if (c != NUL) { if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R) { c = safe_vgetc(); /* Eat the character */ if (c == Ctrl_P || c == Ctrl_L) shown_direction = BACKWARD; else shown_direction = FORWARD; (void)ins_compl_next(FALSE); } else if (c != Ctrl_R) completion_interrupted = TRUE; } if (completion_pending && !got_int) (void)ins_compl_next(FALSE); } /* * Do Insert mode completion. * Called when character "c" was typed, which has a meaning for completion. * Returns OK if completion was done, FAIL if something failed (out of mem). */ static int ins_complete(c) int c; { char_u *line; char_u *tmp_ptr = NULL; /* init for gcc */ int temp = 0; if (c == Ctrl_P || c == Ctrl_L) complete_direction = BACKWARD; else complete_direction = FORWARD; if (!started_completion) { /* First time we hit ^N or ^P (in a row, I mean) */ /* Turn off 'sm' so we don't show matches with ^X^L */ save_sm = p_sm; p_sm = FALSE; did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif if (stop_arrow() == FAIL) return FAIL; line = ml_get(curwin->w_cursor.lnum); complete_col = curwin->w_cursor.col; /* if this same ctrl_x_mode has been interrupted use the text from * "initial_pos" to the cursor as a pattern to add a new word instead * of expand the one before the cursor, in word-wise if "initial_pos" * is not in the same line as the cursor then fix it (the line has * been split because it was longer than 'tw'). if SOL is set then * skip the previous pattern, a word at the beginning of the line has * been inserted, we'll look for that -- Acevedo. */ if ((continue_status & CONT_INTRPT) && continue_mode == ctrl_x_mode) { /* * it is a continued search */ continue_status &= ~CONT_INTRPT; /* remove INTRPT */ if (ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_PATH_PATTERNS || ctrl_x_mode == CTRL_X_PATH_DEFINES) { if (initial_pos.lnum != curwin->w_cursor.lnum) { /* line (probably) wrapped, set initial_pos to the first * non_blank in the line, if it is not a wordchar include * it to get a better pattern, but then we don't want the * "\\<" prefix, check it bellow */ tmp_ptr = skipwhite(line); initial_pos.col = (colnr_T) (tmp_ptr - line); initial_pos.lnum = curwin->w_cursor.lnum; continue_status &= ~CONT_SOL; /* clear SOL if present */ } else { /* S_IPOS was set when we inserted a word that was at the * beginning of the line, which means that we'll go to SOL * mode but first we need to redefine initial_pos */ if (continue_status & CONT_S_IPOS) { continue_status |= CONT_SOL; initial_pos.col = (colnr_T) (skipwhite(line + completion_length + initial_pos.col) - line); } tmp_ptr = line + initial_pos.col; } temp = curwin->w_cursor.col - (int)(tmp_ptr - line); /* IObuf is used to add a "word from the next line" would we * have enough space? just being paranoic */ #define MIN_SPACE 75 if (temp > (IOSIZE - MIN_SPACE)) { continue_status &= ~CONT_SOL; temp = (IOSIZE - MIN_SPACE); tmp_ptr = line + curwin->w_cursor.col - temp; } continue_status |= CONT_ADDING | CONT_N_ADDS; if (temp < 1) continue_status &= CONT_LOCAL; } else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) continue_status = CONT_ADDING | CONT_N_ADDS; else continue_status = 0; } else continue_status &= CONT_LOCAL; if (!(continue_status & CONT_ADDING)) /* normal expansion */ { continue_mode = ctrl_x_mode; if (ctrl_x_mode != 0) /* Remove LOCAL if ctrl_x_mode != 0 */ continue_status = 0; continue_status |= CONT_N_ADDS; initial_pos = curwin->w_cursor; temp = (int)complete_col; tmp_ptr = line; } /* Work out completion pattern and original text -- webb */ if (ctrl_x_mode == 0 || (ctrl_x_mode & CTRL_X_WANT_IDENT)) { if ( (continue_status & CONT_SOL) || ctrl_x_mode == CTRL_X_PATH_DEFINES) { if (!(continue_status & CONT_ADDING)) { while (--temp >= 0 && vim_isIDc(line[temp])) ; tmp_ptr += ++temp; temp = complete_col - temp; } if (p_ic) complete_pat = str_foldcase(tmp_ptr, temp, NULL, 0); else complete_pat = vim_strnsave(tmp_ptr, temp); if (complete_pat == NULL) return FAIL; } else if (continue_status & CONT_ADDING) { char_u *prefix = (char_u *)"\\<"; /* we need 3 extra chars, 1 for the NUL and * 2 >= strlen(prefix) -- Acevedo */ complete_pat = alloc(quote_meta(NULL, tmp_ptr, temp) + 3); if (complete_pat == NULL) return FAIL; if (!vim_iswordp(tmp_ptr) || (tmp_ptr > line && ( #ifdef FEAT_MBYTE vim_iswordp(mb_prevptr(line, tmp_ptr)) #else vim_iswordc(*(tmp_ptr - 1)) #endif ))) prefix = (char_u *)""; STRCPY((char *)complete_pat, prefix); (void)quote_meta(complete_pat + STRLEN(prefix), tmp_ptr, temp); } else if ( #ifdef FEAT_MBYTE --temp < 0 || !vim_iswordp(mb_prevptr(line, line + temp + 1)) #else --temp < 0 || !vim_iswordc(line[temp]) #endif ) { /* Match any word of at least two chars */ complete_pat = vim_strsave((char_u *)"\\<\\k\\k"); if (complete_pat == NULL) return FAIL; tmp_ptr += complete_col; temp = 0; } else { #ifdef FEAT_MBYTE /* Search the point of change class of multibyte character * or not a word single byte character backward. */ if (has_mbyte) { int base_class; int head_off; temp -= (*mb_head_off)(line, line + temp); base_class = mb_get_class(line + temp); while (--temp >= 0) { head_off = (*mb_head_off)(line, line + temp); if (base_class != mb_get_class(line + temp - head_off)) break; temp -= head_off; } } else #endif while (--temp >= 0 && vim_iswordc(line[temp])) ; tmp_ptr += ++temp; if ((temp = (int)complete_col - temp) == 1) { /* Only match word with at least two chars -- webb * there's no need to call quote_meta, * alloc(7) is enough -- Acevedo */ complete_pat = alloc(7); if (complete_pat == NULL) return FAIL; STRCPY((char *)complete_pat, "\\<"); (void)quote_meta(complete_pat + 2, tmp_ptr, 1); STRCAT((char *)complete_pat, "\\k"); } else { complete_pat = alloc(quote_meta(NULL, tmp_ptr, temp) + 3); if (complete_pat == NULL) return FAIL; STRCPY((char *)complete_pat, "\\<"); (void)quote_meta(complete_pat + 2, tmp_ptr, temp); } } } else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) { tmp_ptr = skipwhite(line); temp = (int)complete_col - (int)(tmp_ptr - line); if (temp < 0) /* cursor in indent: empty pattern */ temp = 0; if (p_ic) complete_pat = str_foldcase(tmp_ptr, temp, NULL, 0); else complete_pat = vim_strnsave(tmp_ptr, temp); if (complete_pat == NULL) return FAIL; } else if (ctrl_x_mode == CTRL_X_FILES) { while (--temp >= 0 && vim_isfilec(line[temp])) ; tmp_ptr += ++temp; temp = (int)complete_col - temp; complete_pat = addstar(tmp_ptr, temp, EXPAND_FILES); if (complete_pat == NULL) return FAIL; } else if (ctrl_x_mode == CTRL_X_CMDLINE) { complete_pat = vim_strnsave(line, complete_col); if (complete_pat == NULL) return FAIL; set_cmd_context(&complete_xp, complete_pat, (int)STRLEN(complete_pat), complete_col); if (complete_xp.xp_context == EXPAND_UNSUCCESSFUL || complete_xp.xp_context == EXPAND_NOTHING) return FAIL; temp = (int)(complete_xp.xp_pattern - complete_pat); tmp_ptr = line + temp; temp = complete_col - temp; } #ifdef FEAT_COMPL_FUNC else if (ctrl_x_mode == CTRL_X_FUNCTION) { /* * Call user defined function 'completefunc' with line content, * cursor column number and preproc is 1. Obtain length of text * to use for completion. */ char_u *lenstr; int keeplen = 0; /* Call 'completefunc' and get pattern length as a string */ lenstr = call_completefunc(line, NULL, complete_col, 1); if (lenstr == NULL) return FAIL; keeplen = atoi((char *)lenstr); vim_free(lenstr); if (keeplen < 0) return FAIL; if ((colnr_T)keeplen > complete_col) keeplen = complete_col; /* Setup variables for completion */ tmp_ptr = line + keeplen; temp = complete_col - keeplen; complete_pat = vim_strnsave(tmp_ptr, temp); if (complete_pat == NULL) return FAIL; } #endif complete_col = (colnr_T) (tmp_ptr - line); if (continue_status & CONT_ADDING) { edit_submode_pre = (char_u *)_(" Adding"); if (ctrl_x_mode == CTRL_X_WHOLE_LINE) { /* Insert a new line, keep indentation but ignore 'comments' */ #ifdef FEAT_COMMENTS char_u *old = curbuf->b_p_com; curbuf->b_p_com = (char_u *)""; #endif initial_pos.lnum = curwin->w_cursor.lnum; initial_pos.col = complete_col; ins_eol('\r'); #ifdef FEAT_COMMENTS curbuf->b_p_com = old; #endif tmp_ptr = (char_u *)""; temp = 0; complete_col = curwin->w_cursor.col; } } else { edit_submode_pre = NULL; initial_pos.col = complete_col; } if (continue_status & CONT_LOCAL) edit_submode = (char_u *)_(ctrl_x_msgs[2]); else edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); completion_length = temp; /* Always add completion for the original text. Note that * "original_text" itself (not a copy) is added, it will be freed when * the list of matches is freed. */ if ((original_text = vim_strnsave(tmp_ptr, temp)) == NULL || ins_compl_add(original_text, -1, NULL, 0, ORIGINAL_TEXT) != OK) { vim_free(complete_pat); complete_pat = NULL; vim_free(original_text); return FAIL; } /* showmode might reset the internal line pointers, so it must * be called before line = ml_get(), or when this address is no * longer needed. -- Acevedo. */ edit_submode_extra = (char_u *)_("-- Searching..."); edit_submode_highl = HLF_COUNT; showmode(); edit_submode_extra = NULL; out_flush(); } shown_match = curr_match; shown_direction = complete_direction; /* * Find next match. */ temp = ins_compl_next(TRUE); if (temp > 1) /* all matches have been found */ completion_matches = temp; curr_match = shown_match; complete_direction = shown_direction; completion_interrupted = FALSE; /* eat the ESC to avoid leaving insert mode */ if (got_int && !global_busy) { (void)vgetc(); got_int = FALSE; } /* we found no match if the list has only the original_text-entry */ if (first_match == first_match->next) { edit_submode_extra = (continue_status & CONT_ADDING) && completion_length > 1 ? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf); edit_submode_highl = HLF_E; /* remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode, * because we couldn't expand anything at first place, but if we used * ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word * (such as M in M'exico) if not tried already. -- Acevedo */ if ( completion_length > 1 || (continue_status & CONT_ADDING) || (ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_PATH_PATTERNS && ctrl_x_mode != CTRL_X_PATH_DEFINES)) continue_status &= ~CONT_N_ADDS; } if (curr_match->original & CONT_S_IPOS) continue_status |= CONT_S_IPOS; else continue_status &= ~CONT_S_IPOS; if (edit_submode_extra == NULL) { if (curr_match->original & ORIGINAL_TEXT) { edit_submode_extra = (char_u *)_("Back at original"); edit_submode_highl = HLF_W; } else if (continue_status & CONT_S_IPOS) { edit_submode_extra = (char_u *)_("Word from other line"); edit_submode_highl = HLF_COUNT; } else if (curr_match->next == curr_match->prev) { edit_submode_extra = (char_u *)_("The only match"); edit_submode_highl = HLF_COUNT; } else { /* Update completion sequence number when needed. */ if (curr_match->number == -1) { int number = 0; struct Completion *match; if (complete_direction == FORWARD) { /* search backwards for the first valid (!= -1) number. * This should normally succeed already at the first loop * cycle, so it's fast! */ for (match = curr_match->prev; match != NULL && match != first_match; match = match->prev) if (match->number != -1) { number = match->number; break; } if (match != NULL) /* go up and assign all numbers which are not assigned * yet */ for (match = match->next; match && match->number == -1; match = match->next) match->number = ++number; } else /* BACKWARD */ { /* search forwards (upwards) for the first valid (!= -1) * number. This should normally succeed already at the * first loop cycle, so it's fast! */ for (match = curr_match->next; match != NULL && match != first_match; match = match->next) if (match->number != -1) { number = match->number; break; } if (match != NULL) /* go down and assign all numbers which are not * assigned yet */ for (match = match->prev; match && match->number == -1; match = match->prev) match->number = ++number; } } /* The match should always have a sequnce number now, this is just * a safety check. */ if (curr_match->number != -1) { /* Space for 10 text chars. + 2x10-digit no.s */ static char_u match_ref[31]; if (completion_matches > 0) sprintf((char *)IObuff, _("match %d of %d"), curr_match->number, completion_matches); else sprintf((char *)IObuff, _("match %d"), curr_match->number); STRNCPY(match_ref, IObuff, 30 ); match_ref[30] = '\0'; edit_submode_extra = match_ref; edit_submode_highl = HLF_R; if (dollar_vcol) curs_columns(FALSE); } } } /* Show a message about what (completion) mode we're in. */ showmode(); if (edit_submode_extra != NULL) { if (!p_smd) msg_attr(edit_submode_extra, edit_submode_highl < HLF_COUNT ? hl_attr(edit_submode_highl) : 0); } else msg_clr_cmdline(); /* necessary for "noshowmode" */ return OK; } /* * Looks in the first "len" chars. of "src" for search-metachars. * If dest is not NULL the chars. are copied there quoting (with * a backslash) the metachars, and dest would be NUL terminated. * Returns the length (needed) of dest */ static int quote_meta(dest, src, len) char_u *dest; char_u *src; int len; { int m; for (m = len; --len >= 0; src++) { switch (*src) { case '.': case '*': case '[': if (ctrl_x_mode == CTRL_X_DICTIONARY || ctrl_x_mode == CTRL_X_THESAURUS) break; case '~': if (!p_magic) /* quote these only if magic is set */ break; case '\\': if (ctrl_x_mode == CTRL_X_DICTIONARY || ctrl_x_mode == CTRL_X_THESAURUS) break; case '^': /* currently it's not needed. */ case '$': m++; if (dest != NULL) *dest++ = '\\'; break; } if (dest != NULL) *dest++ = *src; #ifdef FEAT_MBYTE /* Copy remaining bytes of a multibyte character. */ if (has_mbyte) { int i, mb_len; mb_len = (*mb_ptr2len_check)(src) - 1; if (mb_len > 0 && len >= mb_len) for (i = 0; i < mb_len; ++i) { --len; ++src; if (dest != NULL) *dest++ = *src; } } #endif } if (dest != NULL) *dest = NUL; return m; } #endif /* FEAT_INS_EXPAND */ /* * Next character is interpreted literally. * A one, two or three digit decimal number is interpreted as its byte value. * If one or two digits are entered, the next character is given to vungetc(). * For Unicode a character > 255 may be returned. */ int get_literal() { int cc; int nc; int i; int hex = FALSE; int octal = FALSE; #ifdef FEAT_MBYTE int unicode = 0; #endif if (got_int) return Ctrl_C; #ifdef FEAT_GUI /* * In GUI there is no point inserting the internal code for a special key. * It is more useful to insert the string "" instead. This would * probably be useful in a text window too, but it would not be * vi-compatible (maybe there should be an option for it?) -- webb */ if (gui.in_use) ++allow_keys; #endif #ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; /* disallow scrolling here */ #endif ++no_mapping; /* don't map the next key hits */ cc = 0; i = 0; for (;;) { do nc = safe_vgetc(); while (nc == K_IGNORE || nc == K_VER_SCROLLBAR || nc == K_HOR_SCROLLBAR); #ifdef FEAT_CMDL_INFO if (!(State & CMDLINE) # ifdef FEAT_MBYTE && MB_BYTE2LEN_CHECK(nc) == 1 # endif ) add_to_showcmd(nc); #endif if (nc == 'x' || nc == 'X') hex = TRUE; else if (nc == 'o' || nc == 'O') octal = TRUE; #ifdef FEAT_MBYTE else if (nc == 'u' || nc == 'U') unicode = nc; #endif else { if (hex #ifdef FEAT_MBYTE || unicode != 0 #endif ) { if (!vim_isxdigit(nc)) break; cc = cc * 16 + hex2nr(nc); } else if (octal) { if (nc < '0' || nc > '7') break; cc = cc * 8 + nc - '0'; } else { if (!VIM_ISDIGIT(nc)) break; cc = cc * 10 + nc - '0'; } ++i; } if (cc > 255 #ifdef FEAT_MBYTE && unicode == 0 #endif ) cc = 255; /* limit range to 0-255 */ nc = 0; if (hex) /* hex: up to two chars */ { if (i >= 2) break; } #ifdef FEAT_MBYTE else if (unicode) /* Unicode: up to four or eight chars */ { if ((unicode == 'u' && i >= 4) || (unicode == 'U' && i >= 8)) break; } #endif else if (i >= 3) /* decimal or octal: up to three chars */ break; } if (i == 0) /* no number entered */ { if (nc == K_ZERO) /* NUL is stored as NL */ { cc = '\n'; nc = 0; } else { cc = nc; nc = 0; } } if (cc == 0) /* NUL is stored as NL */ cc = '\n'; #ifdef FEAT_MBYTE if (enc_dbcs && (cc & 0xff) == 0) cc = '?'; /* don't accept an illegal DBCS char, the NUL in the second byte will cause trouble! */ #endif --no_mapping; #ifdef FEAT_GUI if (gui.in_use) --allow_keys; #endif if (nc) vungetc(nc); got_int = FALSE; /* CTRL-C typed after CTRL-V is not an interrupt */ return cc; } /* * Insert character, taking care of special keys and mod_mask */ static void insert_special(c, allow_modmask, ctrlv) int c; int allow_modmask; int ctrlv; /* c was typed after CTRL-V */ { char_u *p; int len; /* * Special function key, translate into "". Up to the last '>' is * inserted with ins_str(), so as not to replace characters in replace * mode. * Only use mod_mask for special keys, to avoid things like , * unless 'allow_modmask' is TRUE. */ #ifdef MACOS /* Command-key never produces a normal key */ if (mod_mask & MOD_MASK_CMD) allow_modmask = TRUE; #endif if (IS_SPECIAL(c) || (mod_mask && allow_modmask)) { p = get_special_key_name(c, mod_mask); len = (int)STRLEN(p); c = p[len - 1]; if (len > 2) { if (stop_arrow() == FAIL) return; p[len - 1] = NUL; ins_str(p); AppendToRedobuffLit(p); ctrlv = FALSE; } } if (stop_arrow() == OK) insertchar(c, ctrlv ? INSCHAR_CTRLV : 0, -1); } /* * Special characters in this context are those that need processing other * than the simple insertion that can be performed here. This includes ESC * which terminates the insert, and CR/NL which need special processing to * open up a new line. This routine tries to optimize insertions performed by * the "redo", "undo" or "put" commands, so it needs to know when it should * stop and defer processing to the "normal" mechanism. * '0' and '^' are special, because they can be followed by CTRL-D. */ #ifdef EBCDIC # define ISSPECIAL(c) ((c) < ' ' || (c) == '0' || (c) == '^') #else # define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^') #endif #ifdef FEAT_MBYTE # define WHITECHAR(cc) (vim_iswhite(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1)))) #else # define WHITECHAR(cc) vim_iswhite(cc) #endif void insertchar(c, flags, second_indent) int c; /* character to insert or NUL */ int flags; /* INSCHAR_FORMAT, etc. */ int second_indent; /* indent for second line if >= 0 */ { int haveto_redraw = FALSE; int textwidth; #ifdef FEAT_COMMENTS colnr_T leader_len; char_u *p; int no_leader = FALSE; int do_comments = (flags & INSCHAR_DO_COM); #endif int fo_white_par; int first_line = TRUE; int fo_ins_blank; #ifdef FEAT_MBYTE int fo_multibyte; #endif int save_char = NUL; int cc; textwidth = comp_textwidth(flags & INSCHAR_FORMAT); fo_ins_blank = has_format_option(FO_INS_BLANK); #ifdef FEAT_MBYTE fo_multibyte = has_format_option(FO_MBYTE_BREAK); #endif fo_white_par = has_format_option(FO_WHITE_PAR); /* * Try to break the line in two or more pieces when: * - Always do this if we have been called to do formatting only. * - Always do this when 'formatoptions' has the 'a' flag and the line * ends in white space. * - Otherwise: * - Don't do this if inserting a blank * - Don't do this if an existing character is being replaced, unless * we're in VREPLACE mode. * - Do this if the cursor is not on the line where insert started * or - 'formatoptions' doesn't have 'l' or the line was not too long * before the insert. * - 'formatoptions' doesn't have 'b' or a blank was inserted at or * before 'textwidth' */ if (textwidth && ((flags & INSCHAR_FORMAT) || (!vim_iswhite(c) && !((State & REPLACE_FLAG) #ifdef FEAT_VREPLACE && !(State & VREPLACE_FLAG) #endif && *ml_get_cursor() != NUL) && (curwin->w_cursor.lnum != Insstart.lnum || ((!has_format_option(FO_INS_LONG) || Insstart_textlen <= (colnr_T)textwidth) && (!fo_ins_blank || Insstart_blank_vcol <= (colnr_T)textwidth )))))) { /* * When 'ai' is off we don't want a space under the cursor to be * deleted. Replace it with an 'x' temporarily. */ if (!curbuf->b_p_ai) { cc = gchar_cursor(); if (vim_iswhite(cc)) { save_char = cc; pchar_cursor('x'); } } /* * Repeat breaking lines, until the current line is not too long. */ while (!got_int) { int startcol; /* Cursor column at entry */ int wantcol; /* column at textwidth border */ int foundcol; /* column for start of spaces */ int end_foundcol = 0; /* column for start of word */ colnr_T len; colnr_T virtcol; #ifdef FEAT_VREPLACE int orig_col = 0; char_u *saved_text = NULL; #endif colnr_T col; virtcol = get_nolist_virtcol(); if (virtcol < (colnr_T)textwidth) break; #ifdef FEAT_COMMENTS if (no_leader) do_comments = FALSE; else if (!(flags & INSCHAR_FORMAT) && has_format_option(FO_WRAP_COMS)) do_comments = TRUE; /* Don't break until after the comment leader */ if (do_comments) leader_len = get_leader_len(ml_get_curline(), NULL, FALSE); else leader_len = 0; /* If the line doesn't start with a comment leader, then don't * start one in a following broken line. Avoids that a %word * moved to the start of the next line causes all following lines * to start with %. */ if (leader_len == 0) no_leader = TRUE; #endif if (!(flags & INSCHAR_FORMAT) #ifdef FEAT_COMMENTS && leader_len == 0 #endif && !has_format_option(FO_WRAP)) { textwidth = 0; break; } if ((startcol = curwin->w_cursor.col) == 0) break; /* find column of textwidth border */ coladvance((colnr_T)textwidth); wantcol = curwin->w_cursor.col; curwin->w_cursor.col = startcol - 1; #ifdef FEAT_MBYTE /* Correct cursor for multi-byte character. */ if (has_mbyte) mb_adjust_cursor(); #endif foundcol = 0; /* * Find position to break at. * Stop at first entered white when 'formatoptions' has 'v' */ while ((!fo_ins_blank && !has_format_option(FO_INS_VI)) || curwin->w_cursor.lnum != Insstart.lnum || curwin->w_cursor.col >= Insstart.col) { cc = gchar_cursor(); if (WHITECHAR(cc)) { /* remember position of blank just before text */ end_foundcol = curwin->w_cursor.col; /* find start of sequence of blanks */ while (curwin->w_cursor.col > 0 && WHITECHAR(cc)) { dec_cursor(); cc = gchar_cursor(); } if (curwin->w_cursor.col == 0 && WHITECHAR(cc)) break; /* only spaces in front of text */ #ifdef FEAT_COMMENTS /* Don't break until after the comment leader */ if (curwin->w_cursor.col < leader_len) break; #endif if (has_format_option(FO_ONE_LETTER)) { /* do not break after one-letter words */ if (curwin->w_cursor.col == 0) break; /* one-letter word at begin */ col = curwin->w_cursor.col; dec_cursor(); cc = gchar_cursor(); if (WHITECHAR(cc)) continue; /* one-letter, continue */ curwin->w_cursor.col = col; } #ifdef FEAT_MBYTE if (has_mbyte) foundcol = curwin->w_cursor.col + (*mb_ptr2len_check)(ml_get_cursor()); else #endif foundcol = curwin->w_cursor.col + 1; if (curwin->w_cursor.col < (colnr_T)wantcol) break; } #ifdef FEAT_MBYTE else if (cc >= 0x100 && fo_multibyte && curwin->w_cursor.col <= (colnr_T)wantcol) { /* Break after or before a multi-byte character. */ foundcol = curwin->w_cursor.col; if (curwin->w_cursor.col < (colnr_T)wantcol) foundcol += (*mb_char2len)(cc); end_foundcol = foundcol; break; } #endif if (curwin->w_cursor.col == 0) break; dec_cursor(); } if (foundcol == 0) /* no spaces, cannot break line */ { curwin->w_cursor.col = startcol; break; } /* Going to break the line, remove any "$" now. */ undisplay_dollar(); /* * Offset between cursor position and line break is used by replace * stack functions. VREPLACE does not use this, and backspaces * over the text instead. */ #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) orig_col = startcol; /* Will start backspacing from here */ else #endif replace_offset = startcol - end_foundcol - 1; /* * adjust startcol for spaces that will be deleted and * characters that will remain on top line */ curwin->w_cursor.col = foundcol; while (cc = gchar_cursor(), WHITECHAR(cc)) inc_cursor(); startcol -= curwin->w_cursor.col; if (startcol < 0) startcol = 0; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* * In VREPLACE mode, we will backspace over the text to be * wrapped, so save a copy now to put on the next line. */ saved_text = vim_strsave(ml_get_cursor()); curwin->w_cursor.col = orig_col; if (saved_text == NULL) break; /* Can't do it, out of memory */ saved_text[startcol] = NUL; /* Backspace over characters that will move to the next line */ if (!fo_white_par) backspace_until_column(foundcol); } else #endif { /* put cursor after pos. to break line */ if (!fo_white_par) curwin->w_cursor.col = foundcol; } /* * Split the line just before the margin. * Only insert/delete lines, but don't really redraw the window. */ open_line(FORWARD, OPENLINE_DELSPACES + OPENLINE_MARKFIX + (fo_white_par ? OPENLINE_KEEPTRAIL : 0) #ifdef FEAT_COMMENTS + (do_comments ? OPENLINE_DO_COM : 0) #endif , old_indent); old_indent = 0; replace_offset = 0; if (first_line) { if (second_indent < 0 && has_format_option(FO_Q_NUMBER)) second_indent = get_number_indent(curwin->w_cursor.lnum -1); if (second_indent >= 0) { #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) change_indent(INDENT_SET, second_indent, FALSE, NUL); else #endif (void)set_indent(second_indent, SIN_CHANGED); } first_line = FALSE; } #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* * In VREPLACE mode we have backspaced over the text to be * moved, now we re-insert it into the new line. */ ins_bytes(saved_text); vim_free(saved_text); } else #endif { /* * Check if cursor is not past the NUL off the line, cindent * may have added or removed indent. */ curwin->w_cursor.col += startcol; len = (colnr_T)STRLEN(ml_get_curline()); if (curwin->w_cursor.col > len) curwin->w_cursor.col = len; } haveto_redraw = TRUE; #ifdef FEAT_CINDENT can_cindent = TRUE; #endif /* moved the cursor, don't autoindent or cindent now */ did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif line_breakcheck(); } if (save_char) /* put back space after cursor */ pchar_cursor(save_char); if (c == NUL) /* formatting only */ return; if (haveto_redraw) { update_topline(); redraw_curbuf_later(VALID); } } if (c == NUL) /* only formatting was wanted */ return; #ifdef FEAT_COMMENTS /* Check whether this character should end a comment. */ if (did_ai && (int)c == end_comment_pending) { char_u *line; char_u lead_end[COM_MAX_LEN]; /* end-comment string */ int middle_len, end_len; int i; /* * Need to remove existing (middle) comment leader and insert end * comment leader. First, check what comment leader we can find. */ i = get_leader_len(line = ml_get_curline(), &p, FALSE); if (i > 0 && vim_strchr(p, COM_MIDDLE) != NULL) /* Just checking */ { /* Skip middle-comment string */ while (*p && p[-1] != ':') /* find end of middle flags */ ++p; middle_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); /* Don't count trailing white space for middle_len */ while (middle_len > 0 && vim_iswhite(lead_end[middle_len - 1])) --middle_len; /* Find the end-comment string */ while (*p && p[-1] != ':') /* find end of end flags */ ++p; end_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); /* Skip white space before the cursor */ i = curwin->w_cursor.col; while (--i >= 0 && vim_iswhite(line[i])) ; i++; /* Skip to before the middle leader */ i -= middle_len; /* Check some expected things before we go on */ if (i >= 0 && lead_end[end_len - 1] == end_comment_pending) { /* Backspace over all the stuff we want to replace */ backspace_until_column(i); /* * Insert the end-comment string, except for the last * character, which will get inserted as normal later. */ ins_bytes_len(lead_end, end_len - 1); } } } end_comment_pending = NUL; #endif did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif /* * If there's any pending input, grab up to INPUT_BUFLEN at once. * This speeds up normal text input considerably. * Don't do this when 'cindent' or 'indentexpr' is set, because we might * need to re-indent at a ':', or any other character (but not what * 'paste' is set).. */ #ifdef USE_ON_FLY_SCROLL dont_scroll = FALSE; /* allow scrolling here */ #endif if ( !ISSPECIAL(c) #ifdef FEAT_MBYTE && (!has_mbyte || (*mb_char2len)(c) == 1) #endif && vpeekc() != NUL && !(State & REPLACE_FLAG) #ifdef FEAT_CINDENT && !cindent_on() #endif #ifdef FEAT_RIGHTLEFT && !p_ri #endif ) { #define INPUT_BUFLEN 100 char_u buf[INPUT_BUFLEN + 1]; int i; colnr_T virtcol = 0; buf[0] = c; i = 1; if (textwidth) virtcol = get_nolist_virtcol(); /* * Stop the string when: * - no more chars available * - finding a special character (command key) * - buffer is full * - running into the 'textwidth' boundary * - need to check for abbreviation: A non-word char after a word-char */ while ( (c = vpeekc()) != NUL && !ISSPECIAL(c) #ifdef FEAT_MBYTE && (!has_mbyte || MB_BYTE2LEN_CHECK(c) == 1) #endif && i < INPUT_BUFLEN && (textwidth == 0 || (virtcol += byte2cells(buf[i - 1])) < (colnr_T)textwidth) && !(!no_abbr && !vim_iswordc(c) && vim_iswordc(buf[i - 1]))) { #ifdef FEAT_RIGHTLEFT c = vgetc(); if (p_hkmap && KeyTyped) c = hkmap(c); /* Hebrew mode mapping */ # ifdef FEAT_FKMAP if (p_fkmap && KeyTyped) c = fkmap(c); /* Farsi mode mapping */ # endif buf[i++] = c; #else buf[i++] = vgetc(); #endif } #ifdef FEAT_DIGRAPHS do_digraph(-1); /* clear digraphs */ do_digraph(buf[i-1]); /* may be the start of a digraph */ #endif buf[i] = NUL; ins_str(buf); if (flags & INSCHAR_CTRLV) { redo_literal(*buf); i = 1; } else i = 0; if (buf[i] != NUL) AppendToRedobuffLit(buf + i); } else { #ifdef FEAT_MBYTE if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) { char_u buf[MB_MAXBYTES + 1]; (*mb_char2bytes)(c, buf); buf[cc] = NUL; ins_char_bytes(buf, cc); AppendCharToRedobuff(c); } else #endif { ins_char(c); if (flags & INSCHAR_CTRLV) redo_literal(c); else AppendCharToRedobuff(c); } } } /* * Called after inserting or deleting text: When 'formatoptions' includes the * 'a' flag format from the current line until the end of the paragraph. * Keep the cursor at the same position relative to the text. * The caller must have saved the cursor line for undo, following ones will be * saved here. */ void auto_format(trailblank, prev_line) int trailblank; /* when TRUE also format with trailing blank */ int prev_line; /* may start in previous line */ { pos_T pos; colnr_T len; char_u *old; char_u *new, *pnew; int wasatend; int cc; if (!has_format_option(FO_AUTO)) return; pos = curwin->w_cursor; old = ml_get_curline(); /* may remove added space */ check_auto_format(FALSE); /* Don't format in Insert mode when the cursor is on a trailing blank, the * user might insert normal text next. Also skip formatting when "1" is * in 'formatoptions' and there is a single character before the cursor. * Otherwise the line would be broken and when typing another non-white * next they are not joined back together. */ wasatend = (pos.col == STRLEN(old)); if (*old != NUL && !trailblank && wasatend) { dec_cursor(); cc = gchar_cursor(); if (!WHITECHAR(cc) && curwin->w_cursor.col > 0 && has_format_option(FO_ONE_LETTER)) dec_cursor(); cc = gchar_cursor(); if (WHITECHAR(cc)) { curwin->w_cursor = pos; return; } curwin->w_cursor = pos; } #ifdef FEAT_COMMENTS /* With the 'c' flag in 'formatoptions' and 't' missing: only format * comments. */ if (has_format_option(FO_WRAP_COMS) && !has_format_option(FO_WRAP) && get_leader_len(old, NULL, FALSE) == 0) return; #endif /* * May start formatting in a previous line, so that after "x" a word is * moved to the previous line if it fits there now. Only when this is not * the start of a paragraph. */ if (prev_line && !paragraph_start(curwin->w_cursor.lnum)) { --curwin->w_cursor.lnum; if (u_save_cursor() == FAIL) return; } /* * Do the formatting and restore the cursor position. "saved_cursor" will * be adjusted for the text formatting. */ saved_cursor = pos; format_lines((linenr_T)-1); curwin->w_cursor = saved_cursor; saved_cursor.lnum = 0; if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { /* "cannot happen" */ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; coladvance((colnr_T)MAXCOL); } else check_cursor_col(); /* Insert mode: If the cursor is now after the end of the line while it * previously wasn't, the line was broken. Because of the rule above we * need to add a space when 'w' is in 'formatoptions' to keep a paragraph * formatted. */ if (!wasatend && has_format_option(FO_WHITE_PAR)) { new = ml_get_curline(); len = STRLEN(new); if (curwin->w_cursor.col == len) { pnew = vim_strnsave(new, len + 2); pnew[len] = ' '; pnew[len + 1] = NUL; ml_replace(curwin->w_cursor.lnum, pnew, FALSE); /* remove the space later */ did_add_space = TRUE; } else /* may remove added space */ check_auto_format(FALSE); } check_cursor(); } /* * When an extra space was added to continue a paragraph for auto-formatting, * delete it now. The space must be under the cursor, just after the insert * position. */ static void check_auto_format(end_insert) int end_insert; /* TRUE when ending Insert mode */ { int c = ' '; int cc; if (did_add_space) { cc = gchar_cursor(); if (!WHITECHAR(cc)) /* Somehow the space was removed already. */ did_add_space = FALSE; else { if (!end_insert) { inc_cursor(); c = gchar_cursor(); dec_cursor(); } if (c != NUL) { /* The space is no longer at the end of the line, delete it. */ del_char(FALSE); did_add_space = FALSE; } } } } /* * Find out textwidth to be used for formatting: * if 'textwidth' option is set, use it * else if 'wrapmargin' option is set, use W_WIDTH(curwin) - 'wrapmargin' * if invalid value, use 0. * Set default to window width (maximum 79) for "gq" operator. */ int comp_textwidth(ff) int ff; /* force formatting (for "Q" command) */ { int textwidth; textwidth = curbuf->b_p_tw; if (textwidth == 0 && curbuf->b_p_wm) { /* The width is the window width minus 'wrapmargin' minus all the * things that add to the margin. */ textwidth = W_WIDTH(curwin) - curbuf->b_p_wm; #ifdef FEAT_CMDWIN if (cmdwin_type != 0) textwidth -= 1; #endif #ifdef FEAT_FOLDING textwidth -= curwin->w_p_fdc; #endif #ifdef FEAT_SIGNS if (curwin->w_buffer->b_signlist != NULL # ifdef FEAT_NETBEANS_INTG || usingNetbeans # endif ) textwidth -= 1; #endif if (curwin->w_p_nu) textwidth -= 8; } if (textwidth < 0) textwidth = 0; if (ff && textwidth == 0) { textwidth = W_WIDTH(curwin) - 1; if (textwidth > 79) textwidth = 79; } return textwidth; } /* * Put a character in the redo buffer, for when just after a CTRL-V. */ static void redo_literal(c) int c; { char_u buf[10]; /* Only digits need special treatment. Translate them into a string of * three digits. */ if (VIM_ISDIGIT(c)) { sprintf((char *)buf, "%03d", c); AppendToRedobuff(buf); } else AppendCharToRedobuff(c); } /* * start_arrow() is called when an arrow key is used in insert mode. * It resembles hitting the key. */ static void start_arrow(end_insert_pos) pos_T *end_insert_pos; { if (!arrow_used) /* something has been inserted */ { AppendToRedobuff(ESC_STR); stop_insert(end_insert_pos, FALSE); arrow_used = TRUE; /* this means we stopped the current insert */ } #ifdef FEAT_SYN_HL check_spell_redraw(); #endif } #ifdef FEAT_SYN_HL /* * If we skipped highlighting word at cursor, do it now. * It may be skipped again, thus reset spell_redraw_lnum first. */ static void check_spell_redraw() { if (spell_redraw_lnum != 0) { linenr_T lnum = spell_redraw_lnum; spell_redraw_lnum = 0; redrawWinline(lnum, FALSE); } } #endif /* * stop_arrow() is called before a change is made in insert mode. * If an arrow key has been used, start a new insertion. * Returns FAIL if undo is impossible, shouldn't insert then. */ int stop_arrow() { if (arrow_used) { if (u_save_cursor() == OK) { arrow_used = FALSE; ins_need_undo = FALSE; } Insstart = curwin->w_cursor; /* new insertion starts here */ Insstart_textlen = linetabsize(ml_get_curline()); ai_col = 0; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { orig_line_count = curbuf->b_ml.ml_line_count; vr_lines_changed = 1; } #endif ResetRedobuff(); AppendToRedobuff((char_u *)"1i"); /* pretend we start an insertion */ } else if (ins_need_undo) { if (u_save_cursor() == OK) ins_need_undo = FALSE; } #ifdef FEAT_FOLDING /* Always open fold at the cursor line when inserting something. */ foldOpenCursor(); #endif return (arrow_used || ins_need_undo ? FAIL : OK); } /* * do a few things to stop inserting */ static void stop_insert(end_insert_pos, esc) pos_T *end_insert_pos; /* where insert ended */ int esc; /* called by ins_esc() */ { int cc; stop_redo_ins(); replace_flush(); /* abandon replace stack */ /* * save the inserted text for later redo with ^@ */ vim_free(last_insert); last_insert = get_inserted(); last_insert_skip = new_insert_skip; if (!arrow_used) { /* Auto-format now. It may seem strange to do this when stopping an * insertion (or moving the cursor), but it's required when appending * a line and having it end in a space. But only do it when something * was actually inserted, otherwise undo won't work. */ if (!ins_need_undo && has_format_option(FO_AUTO)) { pos_T tpos = curwin->w_cursor; /* When the cursor is at the end of the line after a space the * formatting will move it to the following word. Avoid that by * moving the cursor onto the space. */ cc = 'x'; if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL) { dec_cursor(); cc = gchar_cursor(); if (!vim_iswhite(cc)) curwin->w_cursor = tpos; } auto_format(TRUE, FALSE); if (vim_iswhite(cc)) { if (gchar_cursor() != NUL) inc_cursor(); #ifdef FEAT_VIRTUALEDIT /* If the cursor is still at the same character, also keep * the "coladd". */ if (gchar_cursor() == NUL && curwin->w_cursor.lnum == tpos.lnum && curwin->w_cursor.col == tpos.col) curwin->w_cursor.coladd = tpos.coladd; #endif } } /* If a space was inserted for auto-formatting, remove it now. */ check_auto_format(TRUE); /* If we just did an auto-indent, remove the white space from the end * of the line, and put the cursor back. * Do this when ESC was used or moving the cursor up/down. */ if (did_ai && (esc || (vim_strchr(p_cpo, CPO_INDENT) == NULL && curwin->w_cursor.lnum != end_insert_pos->lnum))) { pos_T tpos = curwin->w_cursor; curwin->w_cursor = *end_insert_pos; if (gchar_cursor() == NUL && curwin->w_cursor.col > 0) --curwin->w_cursor.col; while (cc = gchar_cursor(), vim_iswhite(cc)) (void)del_char(TRUE); if (curwin->w_cursor.lnum != tpos.lnum) curwin->w_cursor = tpos; else if (cc != NUL) ++curwin->w_cursor.col; /* put cursor back on the NUL */ #ifdef FEAT_VISUAL /* may have started Visual mode, adjust the position for * deleted characters. */ if (VIsual_active && VIsual.lnum == curwin->w_cursor.lnum) { cc = STRLEN(ml_get_curline()); if (VIsual.col > (colnr_T)cc) { VIsual.col = cc; # ifdef FEAT_VIRTUALEDIT VIsual.coladd = 0; # endif } } #endif } } did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif /* set '[ and '] to the inserted text */ curbuf->b_op_start = Insstart; curbuf->b_op_end = *end_insert_pos; } /* * Set the last inserted text to a single character. * Used for the replace command. */ void set_last_insert(c) int c; { char_u *s; vim_free(last_insert); #ifdef FEAT_MBYTE last_insert = alloc(MB_MAXBYTES * 3 + 5); #else last_insert = alloc(6); #endif if (last_insert != NULL) { s = last_insert; /* Use the CTRL-V only when entering a special char */ if (c < ' ' || c == DEL) *s++ = Ctrl_V; s = add_char2buf(c, s); *s++ = ESC; *s++ = NUL; last_insert_skip = 0; } } #if defined(EXITFREE) || defined(PROTO) void free_last_insert() { vim_free(last_insert); last_insert = NULL; } #endif /* * Add character "c" to buffer "s". Escape the special meaning of K_SPECIAL * and CSI. Handle multi-byte characters. * Returns a pointer to after the added bytes. */ char_u * add_char2buf(c, s) int c; char_u *s; { #ifdef FEAT_MBYTE char_u temp[MB_MAXBYTES]; int i; int len; len = (*mb_char2bytes)(c, temp); for (i = 0; i < len; ++i) { c = temp[i]; #endif /* Need to escape K_SPECIAL and CSI like in the typeahead buffer. */ if (c == K_SPECIAL) { *s++ = K_SPECIAL; *s++ = KS_SPECIAL; *s++ = KE_FILLER; } #ifdef FEAT_GUI else if (c == CSI) { *s++ = CSI; *s++ = KS_EXTRA; *s++ = (int)KE_CSI; } #endif else *s++ = c; #ifdef FEAT_MBYTE } #endif return s; } /* * move cursor to start of line * if flags & BL_WHITE move to first non-white * if flags & BL_SOL move to first non-white if startofline is set, * otherwise keep "curswant" column * if flags & BL_FIX don't leave the cursor on a NUL. */ void beginline(flags) int flags; { if ((flags & BL_SOL) && !p_sol) coladvance(curwin->w_curswant); else { curwin->w_cursor.col = 0; #ifdef FEAT_VIRTUALEDIT curwin->w_cursor.coladd = 0; #endif if (flags & (BL_WHITE | BL_SOL)) { char_u *ptr; for (ptr = ml_get_curline(); vim_iswhite(*ptr) && !((flags & BL_FIX) && ptr[1] == NUL); ++ptr) ++curwin->w_cursor.col; } curwin->w_set_curswant = TRUE; } } /* * oneright oneleft cursor_down cursor_up * * Move one char {right,left,down,up}. * Doesn't move onto the NUL past the end of the line. * Return OK when successful, FAIL when we hit a line of file boundary. */ int oneright() { char_u *ptr; #ifdef FEAT_MBYTE int l; #endif #ifdef FEAT_VIRTUALEDIT if (virtual_active()) { pos_T prevpos = curwin->w_cursor; /* Adjust for multi-wide char (excluding TAB) */ ptr = ml_get_cursor(); coladvance(getviscol() + ((*ptr != TAB && vim_isprintc( #ifdef FEAT_MBYTE (*mb_ptr2char)(ptr) #else *ptr #endif )) ? ptr2cells(ptr) : 1)); curwin->w_set_curswant = TRUE; /* Return OK if the cursor moved, FAIL otherwise (at window edge). */ return (prevpos.col != curwin->w_cursor.col || prevpos.coladd != curwin->w_cursor.coladd) ? OK : FAIL; } #endif ptr = ml_get_cursor(); #ifdef FEAT_MBYTE if (has_mbyte && (l = (*mb_ptr2len_check)(ptr)) > 1) { /* The character under the cursor is a multi-byte character, move * several bytes right, but don't end up on the NUL. */ if (ptr[l] == NUL) return FAIL; curwin->w_cursor.col += l; } else #endif { if (*ptr++ == NUL || *ptr == NUL) return FAIL; ++curwin->w_cursor.col; } curwin->w_set_curswant = TRUE; return OK; } int oneleft() { #ifdef FEAT_VIRTUALEDIT if (virtual_active()) { int width; int v = getviscol(); if (v == 0) return FAIL; # ifdef FEAT_LINEBREAK /* We might get stuck on 'showbreak', skip over it. */ width = 1; for (;;) { coladvance(v - width); /* getviscol() is slow, skip it when 'showbreak' is empty and * there are no multi-byte characters */ if ((*p_sbr == NUL # ifdef FEAT_MBYTE && !has_mbyte # endif ) || getviscol() < v) break; ++width; } # else coladvance(v - 1); # endif if (curwin->w_cursor.coladd == 1) { char_u *ptr; /* Adjust for multi-wide char (not a TAB) */ ptr = ml_get_cursor(); if (*ptr != TAB && vim_isprintc( # ifdef FEAT_MBYTE (*mb_ptr2char)(ptr) # else *ptr # endif ) && ptr2cells(ptr) > 1) curwin->w_cursor.coladd = 0; } curwin->w_set_curswant = TRUE; return OK; } #endif if (curwin->w_cursor.col == 0) return FAIL; curwin->w_set_curswant = TRUE; --curwin->w_cursor.col; #ifdef FEAT_MBYTE /* if the character on the left of the current cursor is a multi-byte * character, move to its first byte */ if (has_mbyte) mb_adjust_cursor(); #endif return OK; } int cursor_up(n, upd_topline) long n; int upd_topline; /* When TRUE: update topline */ { linenr_T lnum; if (n > 0) { lnum = curwin->w_cursor.lnum; /* This fails if the cursor is already in the first line or the count * is larger than the line number and '-' is in 'cpoptions' */ if (lnum <= 1 || (n >= lnum && vim_strchr(p_cpo, CPO_MINUS) != NULL)) return FAIL; if (n >= lnum) lnum = 1; else #ifdef FEAT_FOLDING if (hasAnyFolding(curwin)) { /* * Count each sequence of folded lines as one logical line. */ /* go to the the start of the current fold */ (void)hasFolding(lnum, &lnum, NULL); while (n--) { /* move up one line */ --lnum; if (lnum <= 1) break; /* If we entered a fold, move to the beginning, unless in * Insert mode or when 'foldopen' contains "all": it will open * in a moment. */ if (n > 0 || !((State & INSERT) || (fdo_flags & FDO_ALL))) (void)hasFolding(lnum, &lnum, NULL); } if (lnum < 1) lnum = 1; } else #endif lnum -= n; curwin->w_cursor.lnum = lnum; } /* try to advance to the column we want to be at */ coladvance(curwin->w_curswant); if (upd_topline) update_topline(); /* make sure curwin->w_topline is valid */ return OK; } /* * Cursor down a number of logical lines. */ int cursor_down(n, upd_topline) long n; int upd_topline; /* When TRUE: update topline */ { linenr_T lnum; if (n > 0) { lnum = curwin->w_cursor.lnum; #ifdef FEAT_FOLDING /* Move to last line of fold, will fail if it's the end-of-file. */ (void)hasFolding(lnum, NULL, &lnum); #endif /* This fails if the cursor is already in the last line or would move * beyound the last line and '-' is in 'cpoptions' */ if (lnum >= curbuf->b_ml.ml_line_count || (lnum + n > curbuf->b_ml.ml_line_count && vim_strchr(p_cpo, CPO_MINUS) != NULL)) return FAIL; if (lnum + n >= curbuf->b_ml.ml_line_count) lnum = curbuf->b_ml.ml_line_count; else #ifdef FEAT_FOLDING if (hasAnyFolding(curwin)) { linenr_T last; /* count each sequence of folded lines as one logical line */ while (n--) { if (hasFolding(lnum, NULL, &last)) lnum = last + 1; else ++lnum; if (lnum >= curbuf->b_ml.ml_line_count) break; } if (lnum > curbuf->b_ml.ml_line_count) lnum = curbuf->b_ml.ml_line_count; } else #endif lnum += n; curwin->w_cursor.lnum = lnum; } /* try to advance to the column we want to be at */ coladvance(curwin->w_curswant); if (upd_topline) update_topline(); /* make sure curwin->w_topline is valid */ return OK; } /* * Stuff the last inserted text in the read buffer. * Last_insert actually is a copy of the redo buffer, so we * first have to remove the command. */ int stuff_inserted(c, count, no_esc) int c; /* Command character to be inserted */ long count; /* Repeat this many times */ int no_esc; /* Don't add an ESC at the end */ { char_u *esc_ptr; char_u *ptr; char_u *last_ptr; char_u last = NUL; ptr = get_last_insert(); if (ptr == NULL) { EMSG(_(e_noinstext)); return FAIL; } /* may want to stuff the command character, to start Insert mode */ if (c != NUL) stuffcharReadbuff(c); if ((esc_ptr = (char_u *)vim_strrchr(ptr, ESC)) != NULL) *esc_ptr = NUL; /* remove the ESC */ /* when the last char is either "0" or "^" it will be quoted if no ESC * comes after it OR if it will inserted more than once and "ptr" * starts with ^D. -- Acevedo */ last_ptr = (esc_ptr ? esc_ptr : ptr + STRLEN(ptr)) - 1; if (last_ptr >= ptr && (*last_ptr == '0' || *last_ptr == '^') && (no_esc || (*ptr == Ctrl_D && count > 1))) { last = *last_ptr; *last_ptr = NUL; } do { stuffReadbuff(ptr); /* a trailing "0" is inserted as "048", "^" as "^" */ if (last) stuffReadbuff((char_u *)(last == '0' ? IF_EB("\026\060\064\070", CTRL_V_STR "xf0") : IF_EB("\026^", CTRL_V_STR "^"))); } while (--count > 0); if (last) *last_ptr = last; if (esc_ptr != NULL) *esc_ptr = ESC; /* put the ESC back */ /* may want to stuff a trailing ESC, to get out of Insert mode */ if (!no_esc) stuffcharReadbuff(ESC); return OK; } char_u * get_last_insert() { if (last_insert == NULL) return NULL; return last_insert + last_insert_skip; } /* * Get last inserted string, and remove trailing . * Returns pointer to allocated memory (must be freed) or NULL. */ char_u * get_last_insert_save() { char_u *s; int len; if (last_insert == NULL) return NULL; s = vim_strsave(last_insert + last_insert_skip); if (s != NULL) { len = (int)STRLEN(s); if (len > 0 && s[len - 1] == ESC) /* remove trailing ESC */ s[len - 1] = NUL; } return s; } /* * Check the word in front of the cursor for an abbreviation. * Called when the non-id character "c" has been entered. * When an abbreviation is recognized it is removed from the text and * the replacement string is inserted in typebuf.tb_buf[], followed by "c". */ static int echeck_abbr(c) int c; { /* Don't check for abbreviation in paste mode, when disabled and just * after moving around with cursor keys. */ if (p_paste || no_abbr || arrow_used) return FALSE; return check_abbr(c, ml_get_curline(), curwin->w_cursor.col, curwin->w_cursor.lnum == Insstart.lnum ? Insstart.col : 0); } /* * replace-stack functions * * When replacing characters, the replaced characters are remembered for each * new character. This is used to re-insert the old text when backspacing. * * There is a NUL headed list of characters for each character that is * currently in the file after the insertion point. When BS is used, one NUL * headed list is put back for the deleted character. * * For a newline, there are two NUL headed lists. One contains the characters * that the NL replaced. The extra one stores the characters after the cursor * that were deleted (always white space). * * Replace_offset is normally 0, in which case replace_push will add a new * character at the end of the stack. If replace_offset is not 0, that many * characters will be left on the stack above the newly inserted character. */ static char_u *replace_stack = NULL; static long replace_stack_nr = 0; /* next entry in replace stack */ static long replace_stack_len = 0; /* max. number of entries */ void replace_push(c) int c; /* character that is replaced (NUL is none) */ { char_u *p; if (replace_stack_nr < replace_offset) /* nothing to do */ return; if (replace_stack_len <= replace_stack_nr) { replace_stack_len += 50; p = lalloc(sizeof(char_u) * replace_stack_len, TRUE); if (p == NULL) /* out of memory */ { replace_stack_len -= 50; return; } if (replace_stack != NULL) { mch_memmove(p, replace_stack, (size_t)(replace_stack_nr * sizeof(char_u))); vim_free(replace_stack); } replace_stack = p; } p = replace_stack + replace_stack_nr - replace_offset; if (replace_offset) mch_memmove(p + 1, p, (size_t)(replace_offset * sizeof(char_u))); *p = c; ++replace_stack_nr; } /* * call replace_push(c) with replace_offset set to the first NUL. */ static void replace_push_off(c) int c; { char_u *p; p = replace_stack + replace_stack_nr; for (replace_offset = 1; replace_offset < replace_stack_nr; ++replace_offset) if (*--p == NUL) break; replace_push(c); replace_offset = 0; } /* * Pop one item from the replace stack. * return -1 if stack empty * return replaced character or NUL otherwise */ static int replace_pop() { if (replace_stack_nr == 0) return -1; return (int)replace_stack[--replace_stack_nr]; } /* * Join the top two items on the replace stack. This removes to "off"'th NUL * encountered. */ static void replace_join(off) int off; /* offset for which NUL to remove */ { int i; for (i = replace_stack_nr; --i >= 0; ) if (replace_stack[i] == NUL && off-- <= 0) { --replace_stack_nr; mch_memmove(replace_stack + i, replace_stack + i + 1, (size_t)(replace_stack_nr - i)); return; } } /* * Pop bytes from the replace stack until a NUL is found, and insert them * before the cursor. Can only be used in REPLACE or VREPLACE mode. */ static void replace_pop_ins() { int cc; int oldState = State; State = NORMAL; /* don't want REPLACE here */ while ((cc = replace_pop()) > 0) { #ifdef FEAT_MBYTE mb_replace_pop_ins(cc); #else ins_char(cc); #endif dec_cursor(); } State = oldState; } #ifdef FEAT_MBYTE /* * Insert bytes popped from the replace stack. "cc" is the first byte. If it * indicates a multi-byte char, pop the other bytes too. */ static void mb_replace_pop_ins(cc) int cc; { int n; char_u buf[MB_MAXBYTES]; int i; int c; if (has_mbyte && (n = MB_BYTE2LEN(cc)) > 1) { buf[0] = cc; for (i = 1; i < n; ++i) buf[i] = replace_pop(); ins_bytes_len(buf, n); } else ins_char(cc); if (enc_utf8) /* Handle composing chars. */ for (;;) { c = replace_pop(); if (c == -1) /* stack empty */ break; if ((n = MB_BYTE2LEN(c)) == 1) { /* Not a multi-byte char, put it back. */ replace_push(c); break; } else { buf[0] = c; for (i = 1; i < n; ++i) buf[i] = replace_pop(); if (utf_iscomposing(utf_ptr2char(buf))) ins_bytes_len(buf, n); else { /* Not a composing char, put it back. */ for (i = n - 1; i >= 0; --i) replace_push(buf[i]); break; } } } } #endif /* * make the replace stack empty * (called when exiting replace mode) */ static void replace_flush() { vim_free(replace_stack); replace_stack = NULL; replace_stack_len = 0; replace_stack_nr = 0; } /* * Handle doing a BS for one character. * cc < 0: replace stack empty, just move cursor * cc == 0: character was inserted, delete it * cc > 0: character was replaced, put cc (first byte of original char) back * and check for more characters to be put back */ static void replace_do_bs() { int cc; #ifdef FEAT_VREPLACE int orig_len = 0; int ins_len; int orig_vcols = 0; colnr_T start_vcol; char_u *p; int i; int vcol; #endif cc = replace_pop(); if (cc > 0) { #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* Get the number of screen cells used by the character we are * going to delete. */ getvcol(curwin, &curwin->w_cursor, NULL, &start_vcol, NULL); orig_vcols = chartabsize(ml_get_cursor(), start_vcol); } #endif #ifdef FEAT_MBYTE if (has_mbyte) { del_char(FALSE); # ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) orig_len = STRLEN(ml_get_cursor()); # endif replace_push(cc); } else #endif { pchar_cursor(cc); #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) orig_len = STRLEN(ml_get_cursor()) - 1; #endif } replace_pop_ins(); #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* Get the number of screen cells used by the inserted characters */ p = ml_get_cursor(); ins_len = STRLEN(p) - orig_len; vcol = start_vcol; for (i = 0; i < ins_len; ++i) { vcol += chartabsize(p + i, vcol); #ifdef FEAT_MBYTE i += (*mb_ptr2len_check)(p) - 1; #endif } vcol -= start_vcol; /* Delete spaces that were inserted after the cursor to keep the * text aligned. */ curwin->w_cursor.col += ins_len; while (vcol > orig_vcols && gchar_cursor() == ' ') { del_char(FALSE); ++orig_vcols; } curwin->w_cursor.col -= ins_len; } #endif /* mark the buffer as changed and prepare for displaying */ changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col); } else if (cc == 0) (void)del_char(FALSE); } #ifdef FEAT_CINDENT /* * Return TRUE if C-indenting is on. */ static int cindent_on() { return (!p_paste && (curbuf->b_p_cin # ifdef FEAT_EVAL || *curbuf->b_p_inde != NUL # endif )); } #endif #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) /* * Re-indent the current line, based on the current contents of it and the * surrounding lines. Fixing the cursor position seems really easy -- I'm very * confused what all the part that handles Control-T is doing that I'm not. * "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent. */ void fixthisline(get_the_indent) int (*get_the_indent) __ARGS((void)); { change_indent(INDENT_SET, get_the_indent(), FALSE, 0); if (linewhite(curwin->w_cursor.lnum)) did_ai = TRUE; /* delete the indent if the line stays empty */ } void fix_indent() { if (p_paste) return; # ifdef FEAT_LISP if (curbuf->b_p_lisp && curbuf->b_p_ai) fixthisline(get_lisp_indent); # endif # if defined(FEAT_LISP) && defined(FEAT_CINDENT) else # endif # ifdef FEAT_CINDENT if (cindent_on()) do_c_expr_indent(); # endif } #endif #ifdef FEAT_CINDENT /* * return TRUE if 'cinkeys' contains the key "keytyped", * when == '*': Only if key is preceded with '*' (indent before insert) * when == '!': Only if key is prededed with '!' (don't insert) * when == ' ': Only if key is not preceded with '*'(indent afterwards) * * "keytyped" can have a few special values: * KEY_OPEN_FORW * KEY_OPEN_BACK * KEY_COMPLETE just finished completion. * * If line_is_empty is TRUE accept keys with '0' before them. */ int in_cinkeys(keytyped, when, line_is_empty) int keytyped; int when; int line_is_empty; { char_u *look; int try_match; int try_match_word; char_u *p; char_u *line; int icase; int i; #ifdef FEAT_EVAL if (*curbuf->b_p_inde != NUL) look = curbuf->b_p_indk; /* 'indentexpr' set: use 'indentkeys' */ else #endif look = curbuf->b_p_cink; /* 'indentexpr' empty: use 'cinkeys' */ while (*look) { /* * Find out if we want to try a match with this key, depending on * 'when' and a '*' or '!' before the key. */ switch (when) { case '*': try_match = (*look == '*'); break; case '!': try_match = (*look == '!'); break; default: try_match = (*look != '*'); break; } if (*look == '*' || *look == '!') ++look; /* * If there is a '0', only accept a match if the line is empty. * But may still match when typing last char of a word. */ if (*look == '0') { try_match_word = try_match; if (!line_is_empty) try_match = FALSE; ++look; } else try_match_word = FALSE; /* * does it look like a control character? */ if (*look == '^' #ifdef EBCDIC && (Ctrl_chr(look[1]) != 0) #else && look[1] >= '?' && look[1] <= '_' #endif ) { if (try_match && keytyped == Ctrl_chr(look[1])) return TRUE; look += 2; } /* * 'o' means "o" command, open forward. * 'O' means "O" command, open backward. */ else if (*look == 'o') { if (try_match && keytyped == KEY_OPEN_FORW) return TRUE; ++look; } else if (*look == 'O') { if (try_match && keytyped == KEY_OPEN_BACK) return TRUE; ++look; } /* * 'e' means to check for "else" at start of line and just before the * cursor. */ else if (*look == 'e') { if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4) { p = ml_get_curline(); if (skipwhite(p) == p + curwin->w_cursor.col - 4 && STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0) return TRUE; } ++look; } /* * ':' only causes an indent if it is at the end of a label or case * statement, or when it was before typing the ':' (to fix * class::method for C++). */ else if (*look == ':') { if (try_match && keytyped == ':') { p = ml_get_curline(); if (cin_iscase(p) || cin_isscopedecl(p) || cin_islabel(30)) return TRUE; if (curwin->w_cursor.col > 2 && p[curwin->w_cursor.col - 1] == ':' && p[curwin->w_cursor.col - 2] == ':') { p[curwin->w_cursor.col - 1] = ' '; i = (cin_iscase(p) || cin_isscopedecl(p) || cin_islabel(30)); p = ml_get_curline(); p[curwin->w_cursor.col - 1] = ':'; if (i) return TRUE; } } ++look; } /* * Is it a key in <>, maybe? */ else if (*look == '<') { if (try_match) { /* * make up some named keys , , , <0>, <>>, <<>, <*>, * <:> and so that people can re-indent on o, O, e, 0, <, * >, *, : and ! keys if they really really want to. */ if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL && keytyped == look[1]) return TRUE; if (keytyped == get_special_key_code(look + 1)) return TRUE; } while (*look && *look != '>') look++; while (*look == '>') look++; } /* * Is it a word: "=word"? */ else if (*look == '=' && look[1] != ',' && look[1] != NUL) { ++look; if (*look == '~') { icase = TRUE; ++look; } else icase = FALSE; p = vim_strchr(look, ','); if (p == NULL) p = look + STRLEN(look); if ((try_match || try_match_word) && curwin->w_cursor.col >= (colnr_T)(p - look)) { int match = FALSE; #ifdef FEAT_INS_EXPAND if (keytyped == KEY_COMPLETE) { char_u *s; /* Just completed a word, check if it starts with "look". * search back for the start of a word. */ line = ml_get_curline(); # ifdef FEAT_MBYTE if (has_mbyte) { char_u *n; for (s = line + curwin->w_cursor.col; s > line; s = n) { n = mb_prevptr(line, s); if (!vim_iswordp(n)) break; } } else # endif for (s = line + curwin->w_cursor.col; s > line; --s) if (!vim_iswordc(s[-1])) break; if (s + (p - look) <= line + curwin->w_cursor.col && (icase ? MB_STRNICMP(s, look, p - look) : STRNCMP(s, look, p - look)) == 0) match = TRUE; } else #endif /* TODO: multi-byte */ if (keytyped == (int)p[-1] || (icase && keytyped < 256 && TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1]))) { line = ml_get_cursor(); if ((curwin->w_cursor.col == (colnr_T)(p - look) || !vim_iswordc(line[-(p - look) - 1])) && (icase ? MB_STRNICMP(line - (p - look), look, p - look) : STRNCMP(line - (p - look), look, p - look)) == 0) match = TRUE; } if (match && try_match_word && !try_match) { /* "0=word": Check if there are only blanks before the * word. */ line = ml_get_curline(); if ((int)(skipwhite(line) - line) != (int)(curwin->w_cursor.col - (p - look))) match = FALSE; } if (match) return TRUE; } look = p; } /* * ok, it's a boring generic character. */ else { if (try_match && *look == keytyped) return TRUE; ++look; } /* * Skip over ", ". */ look = skip_to_option_part(look); } return FALSE; } #endif /* FEAT_CINDENT */ #if defined(FEAT_RIGHTLEFT) || defined(PROTO) /* * Map Hebrew keyboard when in hkmap mode. */ int hkmap(c) int c; { if (p_hkmapp) /* phonetic mapping, by Ilya Dogolazky */ { enum {hALEF=0, BET, GIMEL, DALET, HEI, VAV, ZAIN, HET, TET, IUD, KAFsofit, hKAF, LAMED, MEMsofit, MEM, NUNsofit, NUN, SAMEH, AIN, PEIsofit, PEI, ZADIsofit, ZADI, KOF, RESH, hSHIN, TAV}; static char_u map[26] = {(char_u)hALEF/*a*/, (char_u)BET /*b*/, (char_u)hKAF /*c*/, (char_u)DALET/*d*/, (char_u)-1 /*e*/, (char_u)PEIsofit/*f*/, (char_u)GIMEL/*g*/, (char_u)HEI /*h*/, (char_u)IUD /*i*/, (char_u)HET /*j*/, (char_u)KOF /*k*/, (char_u)LAMED /*l*/, (char_u)MEM /*m*/, (char_u)NUN /*n*/, (char_u)SAMEH /*o*/, (char_u)PEI /*p*/, (char_u)-1 /*q*/, (char_u)RESH /*r*/, (char_u)ZAIN /*s*/, (char_u)TAV /*t*/, (char_u)TET /*u*/, (char_u)VAV /*v*/, (char_u)hSHIN/*w*/, (char_u)-1 /*x*/, (char_u)AIN /*y*/, (char_u)ZADI /*z*/}; if (c == 'N' || c == 'M' || c == 'P' || c == 'C' || c == 'Z') return (int)(map[CharOrd(c)] - 1 + p_aleph); /* '-1'='sofit' */ else if (c == 'x') return 'X'; else if (c == 'q') return '\''; /* {geresh}={'} */ else if (c == 246) return ' '; /* \"o --> ' ' for a german keyboard */ else if (c == 228) return ' '; /* \"a --> ' ' -- / -- */ else if (c == 252) return ' '; /* \"u --> ' ' -- / -- */ #ifdef EBCDIC else if (islower(c)) #else /* NOTE: islower() does not do the right thing for us on Linux so we * do this the same was as 5.7 and previous, so it works correctly on * all systems. Specifically, the e.g. Delete and Arrow keys are * munged and won't work if e.g. searching for Hebrew text. */ else if (c >= 'a' && c <= 'z') #endif return (int)(map[CharOrdLow(c)] + p_aleph); else return c; } else { switch (c) { case '`': return ';'; case '/': return '.'; case '\'': return ','; case 'q': return '/'; case 'w': return '\''; /* Hebrew letters - set offset from 'a' */ case ',': c = '{'; break; case '.': c = 'v'; break; case ';': c = 't'; break; default: { static char str[] = "zqbcxlsjphmkwonu ydafe rig"; #ifdef EBCDIC /* see note about islower() above */ if (!islower(c)) #else if (c < 'a' || c > 'z') #endif return c; c = str[CharOrdLow(c)]; break; } } return (int)(CharOrdLow(c) + p_aleph); } } #endif static void ins_reg() { int need_redraw = FALSE; int regname; int literally = 0; /* * If we are going to wait for a character, show a '"'. */ pc_status = PC_STATUS_UNSET; if (redrawing() && !char_avail()) { /* may need to redraw when no more chars available now */ ins_redraw(); edit_putchar('"', TRUE); #ifdef FEAT_CMDL_INFO add_to_showcmd_c(Ctrl_R); #endif } #ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; /* disallow scrolling here */ #endif /* * Don't map the register name. This also prevents the mode message to be * deleted when ESC is hit. */ ++no_mapping; regname = safe_vgetc(); #ifdef FEAT_LANGMAP LANGMAP_ADJUST(regname, TRUE); #endif if (regname == Ctrl_R || regname == Ctrl_O || regname == Ctrl_P) { /* Get a third key for literal register insertion */ literally = regname; #ifdef FEAT_CMDL_INFO add_to_showcmd_c(literally); #endif regname = safe_vgetc(); #ifdef FEAT_LANGMAP LANGMAP_ADJUST(regname, TRUE); #endif } --no_mapping; #ifdef FEAT_EVAL /* * Don't call u_sync() while getting the expression, * evaluating it or giving an error message for it! */ ++no_u_sync; if (regname == '=') { # ifdef USE_IM_CONTROL int im_on = im_get_status(); # endif regname = get_expr_register(); # ifdef USE_IM_CONTROL /* Restore the Input Method. */ if (im_on) im_set_active(TRUE); # endif } if (regname == NUL || !valid_yank_reg(regname, FALSE)) { vim_beep(); need_redraw = TRUE; /* remove the '"' */ } else { #endif if (literally == Ctrl_O || literally == Ctrl_P) { /* Append the command to the redo buffer. */ AppendCharToRedobuff(Ctrl_R); AppendCharToRedobuff(literally); AppendCharToRedobuff(regname); do_put(regname, BACKWARD, 1L, (literally == Ctrl_P ? PUT_FIXINDENT : 0) | PUT_CURSEND); } else if (insert_reg(regname, literally) == FAIL) { vim_beep(); need_redraw = TRUE; /* remove the '"' */ } else if (stop_insert_mode) /* When the '=' register was used and a function was invoked that * did ":stopinsert" then stuff_empty() returns FALSE but we won't * insert anything, need to remove the '"' */ need_redraw = TRUE; #ifdef FEAT_EVAL } --no_u_sync; #endif #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif /* If the inserted register is empty, we need to remove the '"' */ if (need_redraw || stuff_empty()) edit_unputchar(); } /* * CTRL-G commands in Insert mode. */ static void ins_ctrl_g() { int c; #ifdef FEAT_INS_EXPAND /* Right after CTRL-X the cursor will be after the ruler. */ setcursor(); #endif /* * Don't map the second key. This also prevents the mode message to be * deleted when ESC is hit. */ ++no_mapping; c = safe_vgetc(); --no_mapping; switch (c) { /* CTRL-G k and CTRL-G : cursor up to Insstart.col */ case K_UP: case Ctrl_K: case 'k': ins_up(TRUE); break; /* CTRL-G j and CTRL-G : cursor down to Insstart.col */ case K_DOWN: case Ctrl_J: case 'j': ins_down(TRUE); break; /* CTRL-G u: start new undoable edit */ case 'u': u_sync(); ins_need_undo = TRUE; break; /* Unknown CTRL-G command, reserved for future expansion. */ default: vim_beep(); } } /* * Handle ESC in insert mode. * Returns TRUE when leaving insert mode, FALSE when going to repeat the * insert. */ static int ins_esc(count, cmdchar) long *count; int cmdchar; { int temp; static int disabled_redraw = FALSE; #if defined(FEAT_HANGULIN) # if defined(ESC_CHG_TO_ENG_MODE) hangul_input_state_set(0); # endif if (composing_hangul) { push_raw_key(composing_hangul_buffer, 2); composing_hangul = 0; } #endif #if defined(FEAT_MBYTE) && defined(MACOS_CLASSIC) previous_script = GetScriptManagerVariable(smKeyScript); KeyScript(smKeyRoman); /* or smKeySysScript */ #endif temp = curwin->w_cursor.col; if (disabled_redraw) { --RedrawingDisabled; disabled_redraw = FALSE; } if (!arrow_used) { /* * Don't append the ESC for "r" and "grx". * When 'insertmode' is set only CTRL-L stops Insert mode. Needed for * when "count" is non-zero. */ if (cmdchar != 'r' && cmdchar != 'v') AppendToRedobuff(p_im ? (char_u *)"\014" : ESC_STR); /* * Repeating insert may take a long time. Check for * interrupt now and then. */ if (*count > 0) { line_breakcheck(); if (got_int) *count = 0; } if (--*count > 0) /* repeat what was typed */ { /* Vi repeats the insert without replacing characters. */ if (vim_strchr(p_cpo, CPO_REPLCNT) != NULL) State &= ~REPLACE_FLAG; (void)start_redo_ins(); if (cmdchar == 'r' || cmdchar == 'v') stuffReadbuff(ESC_STR); /* no ESC in redo buffer */ ++RedrawingDisabled; disabled_redraw = TRUE; return FALSE; /* repeat the insert */ } stop_insert(&curwin->w_cursor, TRUE); undisplay_dollar(); } /* When an autoindent was removed, curswant stays after the * indent */ if (restart_edit == NUL && (colnr_T)temp == curwin->w_cursor.col) curwin->w_set_curswant = TRUE; /* Remember the last Insert position in the '^ mark. */ if (!cmdmod.keepjumps) curbuf->b_last_insert = curwin->w_cursor; /* * The cursor should end up on the last inserted character. */ if ((curwin->w_cursor.col != 0 #ifdef FEAT_VIRTUALEDIT || curwin->w_cursor.coladd > 0 #endif ) && (restart_edit == NUL || (gchar_cursor() == NUL #ifdef FEAT_VISUAL && !VIsual_active #endif )) #ifdef FEAT_RIGHTLEFT && !revins_on #endif ) { #ifdef FEAT_VIRTUALEDIT if (curwin->w_cursor.coladd > 0 || ve_flags == VE_ALL) { oneleft(); if (restart_edit != NUL) ++curwin->w_cursor.coladd; } else #endif { --curwin->w_cursor.col; #ifdef FEAT_MBYTE /* Correct cursor for multi-byte character. */ if (has_mbyte) mb_adjust_cursor(); #endif } } #ifdef USE_IM_CONTROL /* Disable IM to allow typing English directly for Normal mode commands. * When ":lmap" is enabled don't change 'iminsert' (IM can be enabled as * well). */ if (!(State & LANGMAP)) im_save_status(&curbuf->b_p_iminsert); im_set_active(FALSE); #endif State = NORMAL; /* need to position cursor again (e.g. when on a TAB ) */ changed_cline_bef_curs(); #ifdef FEAT_MOUSE setmouse(); #endif #ifdef CURSOR_SHAPE ui_cursor_shape(); /* may show different cursor shape */ #endif /* * When recording or for CTRL-O, need to display the new mode. * Otherwise remove the mode message. */ if (Recording || restart_edit != NUL) showmode(); else if (p_smd) MSG(""); return TRUE; /* exit Insert mode */ } #ifdef FEAT_RIGHTLEFT /* * Toggle language: hkmap and revins_on. * Move to end of reverse inserted text. */ static void ins_ctrl_() { if (revins_on && revins_chars && revins_scol >= 0) { while (gchar_cursor() != NUL && revins_chars--) ++curwin->w_cursor.col; } p_ri = !p_ri; revins_on = (State == INSERT && p_ri); if (revins_on) { revins_scol = curwin->w_cursor.col; revins_legal++; revins_chars = 0; undisplay_dollar(); } else revins_scol = -1; #ifdef FEAT_FKMAP if (p_altkeymap) { /* * to be consistent also for redo command, using '.' * set arrow_used to true and stop it - causing to redo * characters entered in one mode (normal/reverse insert). */ arrow_used = TRUE; (void)stop_arrow(); p_fkmap = curwin->w_p_rl ^ p_ri; if (p_fkmap && p_ri) State = INSERT; } else #endif p_hkmap = curwin->w_p_rl ^ p_ri; /* be consistent! */ showmode(); } #endif #ifdef FEAT_VISUAL /* * If 'keymodel' contains "startsel", may start selection. * Returns TRUE when a CTRL-O and other keys stuffed. */ static int ins_start_select(c) int c; { if (km_startsel) switch (c) { case K_KHOME: case K_KEND: case K_PAGEUP: case K_KPAGEUP: case K_PAGEDOWN: case K_KPAGEDOWN: # ifdef MACOS case K_LEFT: case K_RIGHT: case K_UP: case K_DOWN: case K_END: case K_HOME: # endif if (!(mod_mask & MOD_MASK_SHIFT)) break; /* FALLTHROUGH */ case K_S_LEFT: case K_S_RIGHT: case K_S_UP: case K_S_DOWN: case K_S_END: case K_S_HOME: /* Start selection right away, the cursor can move with * CTRL-O when beyond the end of the line. */ start_selection(); /* Execute the key in (insert) Select mode. */ stuffcharReadbuff(Ctrl_O); if (mod_mask) { char_u buf[4]; buf[0] = K_SPECIAL; buf[1] = KS_MODIFIER; buf[2] = mod_mask; buf[3] = NUL; stuffReadbuff(buf); } stuffcharReadbuff(c); return TRUE; } return FALSE; } #endif /* * If the cursor is on an indent, ^T/^D insert/delete one * shiftwidth. Otherwise ^T/^D behave like a "<<" or ">>". * Always round the indent to 'shiftwith', this is compatible * with vi. But vi only supports ^T and ^D after an * autoindent, we support it everywhere. */ static void ins_shift(c, lastc) int c; int lastc; { if (stop_arrow() == FAIL) return; AppendCharToRedobuff(c); /* * 0^D and ^^D: remove all indent. */ if ((lastc == '0' || lastc == '^') && curwin->w_cursor.col) { --curwin->w_cursor.col; (void)del_char(FALSE); /* delete the '^' or '0' */ /* In Replace mode, restore the characters that '^' or '0' replaced. */ if (State & REPLACE_FLAG) replace_pop_ins(); if (lastc == '^') old_indent = get_indent(); /* remember curr. indent */ change_indent(INDENT_SET, 0, TRUE, 0); } else change_indent(c == Ctrl_D ? INDENT_DEC : INDENT_INC, 0, TRUE, 0); if (did_ai && *skipwhite(ml_get_curline()) != NUL) did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif #ifdef FEAT_CINDENT can_cindent = FALSE; /* no cindenting after ^D or ^T */ #endif } static void ins_del() { int temp; if (stop_arrow() == FAIL) return; if (gchar_cursor() == NUL) /* delete newline */ { temp = curwin->w_cursor.col; if (!can_bs(BS_EOL) /* only if "eol" included */ || u_save((linenr_T)(curwin->w_cursor.lnum - 1), (linenr_T)(curwin->w_cursor.lnum + 2)) == FAIL || do_join(FALSE) == FAIL) vim_beep(); else curwin->w_cursor.col = temp; } else if (del_char(FALSE) == FAIL) /* delete char under cursor */ vim_beep(); did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif AppendCharToRedobuff(K_DEL); } /* * Handle Backspace, delete-word and delete-line in Insert mode. * Return TRUE when backspace was actually used. */ static int ins_bs(c, mode, inserted_space_p) int c; int mode; int *inserted_space_p; { linenr_T lnum; int cc; int temp = 0; /* init for GCC */ colnr_T mincol; int did_backspace = FALSE; int in_indent; int oldState; #ifdef FEAT_MBYTE int p1, p2; #endif /* * can't delete anything in an empty file * can't backup past first character in buffer * can't backup past starting point unless 'backspace' > 1 * can backup to a previous line if 'backspace' == 0 */ if ( bufempty() || ( #ifdef FEAT_RIGHTLEFT !revins_on && #endif ((curwin->w_cursor.lnum == 1 && curwin->w_cursor.col == 0) || (!can_bs(BS_START) && (arrow_used || (curwin->w_cursor.lnum == Insstart.lnum && curwin->w_cursor.col <= Insstart.col))) || (!can_bs(BS_INDENT) && !arrow_used && ai_col > 0 && curwin->w_cursor.col <= ai_col) || (!can_bs(BS_EOL) && curwin->w_cursor.col == 0)))) { vim_beep(); return FALSE; } if (stop_arrow() == FAIL) return FALSE; in_indent = inindent(0); #ifdef FEAT_CINDENT if (in_indent) can_cindent = FALSE; #endif #ifdef FEAT_COMMENTS end_comment_pending = NUL; /* After BS, don't auto-end comment */ #endif #ifdef FEAT_RIGHTLEFT if (revins_on) /* put cursor after last inserted char */ inc_cursor(); #endif #ifdef FEAT_VIRTUALEDIT /* Virtualedit: * BACKSPACE_CHAR eats a virtual space * BACKSPACE_WORD eats all coladd * BACKSPACE_LINE eats all coladd and keeps going */ if (curwin->w_cursor.coladd > 0) { if (mode == BACKSPACE_CHAR) { --curwin->w_cursor.coladd; return TRUE; } if (mode == BACKSPACE_WORD) { curwin->w_cursor.coladd = 0; return TRUE; } curwin->w_cursor.coladd = 0; } #endif /* * delete newline! */ if (curwin->w_cursor.col == 0) { lnum = Insstart.lnum; if (curwin->w_cursor.lnum == Insstart.lnum #ifdef FEAT_RIGHTLEFT || revins_on #endif ) { if (u_save((linenr_T)(curwin->w_cursor.lnum - 2), (linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL) return FALSE; --Insstart.lnum; Insstart.col = MAXCOL; } /* * In replace mode: * cc < 0: NL was inserted, delete it * cc >= 0: NL was replaced, put original characters back */ cc = -1; if (State & REPLACE_FLAG) cc = replace_pop(); /* returns -1 if NL was inserted */ /* * In replace mode, in the line we started replacing, we only move the * cursor. */ if ((State & REPLACE_FLAG) && curwin->w_cursor.lnum <= lnum) { dec_cursor(); } else { #ifdef FEAT_VREPLACE if (!(State & VREPLACE_FLAG) || curwin->w_cursor.lnum > orig_line_count) #endif { temp = gchar_cursor(); /* remember current char */ --curwin->w_cursor.lnum; /* When "aw" is in 'formatoptions' we must delete the space at * the end of the line, otherwise the line will be broken * again when auto-formatting. */ if (has_format_option(FO_AUTO) && has_format_option(FO_WHITE_PAR)) { char_u *ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); int len; len = STRLEN(ptr); if (len > 0 && ptr[len - 1] == ' ') ptr[len - 1] = NUL; } (void)do_join(FALSE); if (temp == NUL && gchar_cursor() != NUL) inc_cursor(); } #ifdef FEAT_VREPLACE else dec_cursor(); #endif /* * In REPLACE mode we have to put back the text that was replaced * by the NL. On the replace stack is first a NUL-terminated * sequence of characters that were deleted and then the * characters that NL replaced. */ if (State & REPLACE_FLAG) { /* * Do the next ins_char() in NORMAL state, to * prevent ins_char() from replacing characters and * avoiding showmatch(). */ oldState = State; State = NORMAL; /* * restore characters (blanks) deleted after cursor */ while (cc > 0) { temp = curwin->w_cursor.col; #ifdef FEAT_MBYTE mb_replace_pop_ins(cc); #else ins_char(cc); #endif curwin->w_cursor.col = temp; cc = replace_pop(); } /* restore the characters that NL replaced */ replace_pop_ins(); State = oldState; } } did_ai = FALSE; } else { /* * Delete character(s) before the cursor. */ #ifdef FEAT_RIGHTLEFT if (revins_on) /* put cursor on last inserted char */ dec_cursor(); #endif mincol = 0; /* keep indent */ if (mode == BACKSPACE_LINE && curbuf->b_p_ai #ifdef FEAT_RIGHTLEFT && !revins_on #endif ) { temp = curwin->w_cursor.col; beginline(BL_WHITE); if (curwin->w_cursor.col < (colnr_T)temp) mincol = curwin->w_cursor.col; curwin->w_cursor.col = temp; } /* * Handle deleting one 'shiftwidth' or 'softtabstop'. */ if ( mode == BACKSPACE_CHAR && ((p_sta && in_indent) || (curbuf->b_p_sts && (*(ml_get_cursor() - 1) == TAB || (*(ml_get_cursor() - 1) == ' ' && (!*inserted_space_p || arrow_used)))))) { int ts; colnr_T vcol; colnr_T want_vcol; int extra = 0; *inserted_space_p = FALSE; if (p_sta) ts = curbuf->b_p_sw; else ts = curbuf->b_p_sts; /* Compute the virtual column where we want to be. Since * 'showbreak' may get in the way, need to get the last column of * the previous character. */ getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); dec_cursor(); getvcol(curwin, &curwin->w_cursor, NULL, NULL, &want_vcol); inc_cursor(); want_vcol = (want_vcol / ts) * ts; /* delete characters until we are at or before want_vcol */ while (vcol > want_vcol && (cc = *(ml_get_cursor() - 1), vim_iswhite(cc))) { dec_cursor(); getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); if (State & REPLACE_FLAG) { /* Don't delete characters before the insert point when in * Replace mode */ if (curwin->w_cursor.lnum != Insstart.lnum || curwin->w_cursor.col >= Insstart.col) { #if 0 /* what was this for? It causes problems when sw != ts. */ if (State == REPLACE && (int)vcol < want_vcol) { (void)del_char(FALSE); extra = 2; /* don't pop too much */ } else #endif replace_do_bs(); } } else (void)del_char(FALSE); } /* insert extra spaces until we are at want_vcol */ while (vcol < want_vcol) { /* Remember the first char we inserted */ if (curwin->w_cursor.lnum == Insstart.lnum && curwin->w_cursor.col < Insstart.col) Insstart.col = curwin->w_cursor.col; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) ins_char(' '); else #endif { ins_str((char_u *)" "); if ((State & REPLACE_FLAG) && extra <= 1) { if (extra) replace_push_off(NUL); else replace_push(NUL); } if (extra == 2) extra = 1; } getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); } } /* * Delete upto starting point, start of line or previous word. */ else do { #ifdef FEAT_RIGHTLEFT if (!revins_on) /* put cursor on char to be deleted */ #endif dec_cursor(); /* start of word? */ if (mode == BACKSPACE_WORD && !vim_isspace(gchar_cursor())) { mode = BACKSPACE_WORD_NOT_SPACE; temp = vim_iswordc(gchar_cursor()); } /* end of word? */ else if (mode == BACKSPACE_WORD_NOT_SPACE && (vim_isspace(cc = gchar_cursor()) || vim_iswordc(cc) != temp)) { #ifdef FEAT_RIGHTLEFT if (!revins_on) #endif inc_cursor(); #ifdef FEAT_RIGHTLEFT else if (State & REPLACE_FLAG) dec_cursor(); #endif break; } if (State & REPLACE_FLAG) replace_do_bs(); else { #ifdef FEAT_MBYTE if (enc_utf8 && p_deco) (void)utfc_ptr2char(ml_get_cursor(), &p1, &p2); #endif (void)del_char(FALSE); #ifdef FEAT_MBYTE /* * If p1 or p2 is non-zero, there are combining characters we * need to take account of. Don't back up before the base * character. */ if (enc_utf8 && p_deco && (p1 != NUL || p2 != NUL)) inc_cursor(); #endif #ifdef FEAT_RIGHTLEFT if (revins_chars) { revins_chars--; revins_legal++; } if (revins_on && gchar_cursor() == NUL) break; #endif } /* Just a single backspace?: */ if (mode == BACKSPACE_CHAR) break; } while ( #ifdef FEAT_RIGHTLEFT revins_on || #endif (curwin->w_cursor.col > mincol && (curwin->w_cursor.lnum != Insstart.lnum || curwin->w_cursor.col != Insstart.col))); did_backspace = TRUE; } #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif if (curwin->w_cursor.col <= 1) did_ai = FALSE; /* * It's a little strange to put backspaces into the redo * buffer, but it makes auto-indent a lot easier to deal * with. */ AppendCharToRedobuff(c); /* If deleted before the insertion point, adjust it */ if (curwin->w_cursor.lnum == Insstart.lnum && curwin->w_cursor.col < Insstart.col) Insstart.col = curwin->w_cursor.col; /* vi behaviour: the cursor moves backward but the character that * was there remains visible * Vim behaviour: the cursor moves backward and the character that * was there is erased from the screen. * We can emulate the vi behaviour by pretending there is a dollar * displayed even when there isn't. * --pkv Sun Jan 19 01:56:40 EST 2003 */ if (vim_strchr(p_cpo, CPO_BACKSPACE) != NULL && dollar_vcol == 0) dollar_vcol = curwin->w_virtcol; return did_backspace; } #ifdef FEAT_MOUSE static void ins_mouse(c) int c; { pos_T tpos; # ifdef FEAT_GUI /* When GUI is active, also move/paste when 'mouse' is empty */ if (!gui.in_use) # endif if (!mouse_has(MOUSE_INSERT)) return; undisplay_dollar(); tpos = curwin->w_cursor; if (do_mouse(NULL, c, BACKWARD, 1L, 0)) { start_arrow(&tpos); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } #ifdef FEAT_WINDOWS /* redraw status lines (in case another window became active) */ redraw_statuslines(); #endif } static void ins_mousescroll(up) int up; { pos_T tpos; # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) win_T *old_curwin; # endif tpos = curwin->w_cursor; # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) old_curwin = curwin; /* Currently the mouse coordinates are only known in the GUI. */ if (gui.in_use && mouse_row >= 0 && mouse_col >= 0) { int row, col; row = mouse_row; col = mouse_col; /* find the window at the pointer coordinates */ curwin = mouse_find_win(&row, &col); curbuf = curwin->w_buffer; } if (curwin == old_curwin) # endif undisplay_dollar(); if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) scroll_redraw(up, (long)(curwin->w_botline - curwin->w_topline)); else scroll_redraw(up, 3L); # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) curwin->w_redr_status = TRUE; curwin = old_curwin; curbuf = curwin->w_buffer; # endif if (!equalpos(curwin->w_cursor, tpos)) { start_arrow(&tpos); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } } #endif #ifdef FEAT_GUI void ins_scroll() { pos_T tpos; undisplay_dollar(); tpos = curwin->w_cursor; if (gui_do_scroll()) { start_arrow(&tpos); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } } void ins_horscroll() { pos_T tpos; undisplay_dollar(); tpos = curwin->w_cursor; if (gui_do_horiz_scroll()) { start_arrow(&tpos); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } } #endif static void ins_left() { pos_T tpos; #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); tpos = curwin->w_cursor; if (oneleft() == OK) { start_arrow(&tpos); #ifdef FEAT_RIGHTLEFT /* If exit reversed string, position is fixed */ if (revins_scol != -1 && (int)curwin->w_cursor.col >= revins_scol) revins_legal++; revins_chars++; #endif } /* * if 'whichwrap' set for cursor in insert mode may go to * previous line */ else if (vim_strchr(p_ww, '[') != NULL && curwin->w_cursor.lnum > 1) { start_arrow(&tpos); --(curwin->w_cursor.lnum); coladvance((colnr_T)MAXCOL); curwin->w_set_curswant = TRUE; /* so we stay at the end */ } else vim_beep(); } static void ins_home(c) int c; { pos_T tpos; #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); tpos = curwin->w_cursor; if (c == K_C_HOME) curwin->w_cursor.lnum = 1; curwin->w_cursor.col = 0; #ifdef FEAT_VIRTUALEDIT curwin->w_cursor.coladd = 0; #endif curwin->w_curswant = 0; start_arrow(&tpos); } static void ins_end(c) int c; { pos_T tpos; #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); tpos = curwin->w_cursor; if (c == K_C_END) curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; coladvance((colnr_T)MAXCOL); curwin->w_curswant = MAXCOL; start_arrow(&tpos); } static void ins_s_left() { #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); if (curwin->w_cursor.lnum > 1 || curwin->w_cursor.col > 0) { start_arrow(&curwin->w_cursor); (void)bck_word(1L, FALSE, FALSE); curwin->w_set_curswant = TRUE; } else vim_beep(); } static void ins_right() { #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); if (gchar_cursor() != NUL || virtual_active() ) { start_arrow(&curwin->w_cursor); curwin->w_set_curswant = TRUE; #ifdef FEAT_VIRTUALEDIT if (virtual_active()) oneright(); else #endif { #ifdef FEAT_MBYTE if (has_mbyte) curwin->w_cursor.col += (*mb_ptr2len_check)(ml_get_cursor()); else #endif ++curwin->w_cursor.col; } #ifdef FEAT_RIGHTLEFT revins_legal++; if (revins_chars) revins_chars--; #endif } /* if 'whichwrap' set for cursor in insert mode, may move the * cursor to the next line */ else if (vim_strchr(p_ww, ']') != NULL && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) { start_arrow(&curwin->w_cursor); curwin->w_set_curswant = TRUE; ++curwin->w_cursor.lnum; curwin->w_cursor.col = 0; } else vim_beep(); } static void ins_s_right() { #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count || gchar_cursor() != NUL) { start_arrow(&curwin->w_cursor); (void)fwd_word(1L, FALSE, 0); curwin->w_set_curswant = TRUE; } else vim_beep(); } static void ins_up(startcol) int startcol; /* when TRUE move to Insstart.col */ { pos_T tpos; linenr_T old_topline = curwin->w_topline; #ifdef FEAT_DIFF int old_topfill = curwin->w_topfill; #endif undisplay_dollar(); tpos = curwin->w_cursor; if (cursor_up(1L, TRUE) == OK) { if (startcol) coladvance(getvcol_nolist(&Insstart)); if (old_topline != curwin->w_topline #ifdef FEAT_DIFF || old_topfill != curwin->w_topfill #endif ) redraw_later(VALID); start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } static void ins_pageup() { pos_T tpos; undisplay_dollar(); tpos = curwin->w_cursor; if (onepage(BACKWARD, 1L) == OK) { start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } static void ins_down(startcol) int startcol; /* when TRUE move to Insstart.col */ { pos_T tpos; linenr_T old_topline = curwin->w_topline; #ifdef FEAT_DIFF int old_topfill = curwin->w_topfill; #endif undisplay_dollar(); tpos = curwin->w_cursor; if (cursor_down(1L, TRUE) == OK) { if (startcol) coladvance(getvcol_nolist(&Insstart)); if (old_topline != curwin->w_topline #ifdef FEAT_DIFF || old_topfill != curwin->w_topfill #endif ) redraw_later(VALID); start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } static void ins_pagedown() { pos_T tpos; undisplay_dollar(); tpos = curwin->w_cursor; if (onepage(FORWARD, 1L) == OK) { start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } #ifdef FEAT_DND static void ins_drop() { do_put('~', BACKWARD, 1L, PUT_CURSEND); } #endif /* * Handle TAB in Insert or Replace mode. * Return TRUE when the TAB needs to be inserted like a normal character. */ static int ins_tab() { int ind; int i; int temp; if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum) Insstart_blank_vcol = get_nolist_virtcol(); if (echeck_abbr(TAB + ABBR_OFF)) return FALSE; ind = inindent(0); #ifdef FEAT_CINDENT if (ind) can_cindent = FALSE; #endif /* * When nothing special, insert TAB like a normal character */ if (!curbuf->b_p_et && !(p_sta && ind && curbuf->b_p_ts != curbuf->b_p_sw) && curbuf->b_p_sts == 0) return TRUE; if (stop_arrow() == FAIL) return TRUE; did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif AppendToRedobuff((char_u *)"\t"); if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */ temp = (int)curbuf->b_p_sw; else if (curbuf->b_p_sts > 0) /* use 'softtabstop' when set */ temp = (int)curbuf->b_p_sts; else /* otherwise use 'tabstop' */ temp = (int)curbuf->b_p_ts; temp -= get_nolist_virtcol() % temp; /* * Insert the first space with ins_char(). It will delete one char in * replace mode. Insert the rest with ins_str(); it will not delete any * chars. For VREPLACE mode, we use ins_char() for all characters. */ ins_char(' '); while (--temp > 0) { #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) ins_char(' '); else #endif { ins_str((char_u *)" "); if (State & REPLACE_FLAG) /* no char replaced */ replace_push(NUL); } } /* * When 'expandtab' not set: Replace spaces by TABs where possible. */ if (!curbuf->b_p_et && (curbuf->b_p_sts || (p_sta && ind))) { char_u *ptr; #ifdef FEAT_VREPLACE char_u *saved_line = NULL; /* init for GCC */ pos_T pos; #endif pos_T fpos; pos_T *cursor; colnr_T want_vcol, vcol; int change_col = -1; int save_list = curwin->w_p_list; /* * Get the current line. For VREPLACE mode, don't make real changes * yet, just work on a copy of the line. */ #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { pos = curwin->w_cursor; cursor = &pos; saved_line = vim_strsave(ml_get_curline()); if (saved_line == NULL) return FALSE; ptr = saved_line + pos.col; } else #endif { ptr = ml_get_cursor(); cursor = &curwin->w_cursor; } /* When 'L' is not in 'cpoptions' a tab always takes up 'ts' spaces. */ if (vim_strchr(p_cpo, CPO_LISTWM) == NULL) curwin->w_p_list = FALSE; /* Find first white before the cursor */ fpos = curwin->w_cursor; while (fpos.col > 0 && vim_iswhite(ptr[-1])) { --fpos.col; --ptr; } /* In Replace mode, don't change characters before the insert point. */ if ((State & REPLACE_FLAG) && fpos.lnum == Insstart.lnum && fpos.col < Insstart.col) { ptr += Insstart.col - fpos.col; fpos.col = Insstart.col; } /* compute virtual column numbers of first white and cursor */ getvcol(curwin, &fpos, &vcol, NULL, NULL); getvcol(curwin, cursor, &want_vcol, NULL, NULL); /* Use as many TABs as possible. Beware of 'showbreak' and * 'linebreak' adding extra virtual columns. */ while (vim_iswhite(*ptr)) { i = lbr_chartabsize((char_u *)"\t", vcol); if (vcol + i > want_vcol) break; if (*ptr != TAB) { *ptr = TAB; if (change_col < 0) { change_col = fpos.col; /* Column of first change */ /* May have to adjust Insstart */ if (fpos.lnum == Insstart.lnum && fpos.col < Insstart.col) Insstart.col = fpos.col; } } ++fpos.col; ++ptr; vcol += i; } if (change_col >= 0) { int repl_off = 0; /* Skip over the spaces we need. */ while (vcol < want_vcol && *ptr == ' ') { vcol += lbr_chartabsize(ptr, vcol); ++ptr; ++repl_off; } if (vcol > want_vcol) { /* Must have a char with 'showbreak' just before it. */ --ptr; --repl_off; } fpos.col += repl_off; /* Delete following spaces. */ i = cursor->col - fpos.col; if (i > 0) { mch_memmove(ptr, ptr + i, STRLEN(ptr + i) + 1); /* correct replace stack. */ if ((State & REPLACE_FLAG) #ifdef FEAT_VREPLACE && !(State & VREPLACE_FLAG) #endif ) for (temp = i; --temp >= 0; ) replace_join(repl_off); } #ifdef FEAT_NETBEANS_INTG if (usingNetbeans) { netbeans_removed(curbuf, fpos.lnum, cursor->col, (long)(i + 1)); netbeans_inserted(curbuf, fpos.lnum, cursor->col, (char_u *)"\t", 1); } #endif cursor->col -= i; #ifdef FEAT_VREPLACE /* * In VREPLACE mode, we haven't changed anything yet. Do it now by * backspacing over the changed spacing and then inserting the new * spacing. */ if (State & VREPLACE_FLAG) { /* Backspace from real cursor to change_col */ backspace_until_column(change_col); /* Insert each char in saved_line from changed_col to * ptr-cursor */ ins_bytes_len(saved_line + change_col, cursor->col - change_col); } #endif } #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) vim_free(saved_line); #endif curwin->w_p_list = save_list; } return FALSE; } /* * Handle CR or NL in insert mode. * Return TRUE when out of memory or can't undo. */ static int ins_eol(c) int c; { int i; if (echeck_abbr(c + ABBR_OFF)) return FALSE; if (stop_arrow() == FAIL) return TRUE; undisplay_dollar(); /* * Strange Vi behaviour: In Replace mode, typing a NL will not delete the * character under the cursor. Only push a NUL on the replace stack, * nothing to put back when the NL is deleted. */ if ((State & REPLACE_FLAG) #ifdef FEAT_VREPLACE && !(State & VREPLACE_FLAG) #endif ) replace_push(NUL); /* * In VREPLACE mode, a NL replaces the rest of the line, and starts * replacing the next line, so we push all of the characters left on the * line onto the replace stack. This is not done here though, it is done * in open_line(). */ #ifdef FEAT_RIGHTLEFT # ifdef FEAT_FKMAP if (p_altkeymap && p_fkmap) fkmap(NL); # endif /* NL in reverse insert will always start in the end of * current line. */ if (revins_on) curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor()); #endif AppendToRedobuff(NL_STR); i = open_line(FORWARD, #ifdef FEAT_COMMENTS has_format_option(FO_RET_COMS) ? OPENLINE_DO_COM : #endif 0, old_indent); old_indent = 0; #ifdef FEAT_CINDENT can_cindent = TRUE; #endif return (!i); } #ifdef FEAT_DIGRAPHS /* * Handle digraph in insert mode. * Returns character still to be inserted, or NUL when nothing remaining to be * done. */ static int ins_digraph() { int c; int cc; pc_status = PC_STATUS_UNSET; if (redrawing() && !char_avail()) { /* may need to redraw when no more chars available now */ ins_redraw(); edit_putchar('?', TRUE); #ifdef FEAT_CMDL_INFO add_to_showcmd_c(Ctrl_K); #endif } #ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; /* disallow scrolling here */ #endif /* don't map the digraph chars. This also prevents the * mode message to be deleted when ESC is hit */ ++no_mapping; ++allow_keys; c = safe_vgetc(); --no_mapping; --allow_keys; if (IS_SPECIAL(c) || mod_mask) /* special key */ { #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif insert_special(c, TRUE, FALSE); return NUL; } if (c != ESC) { if (redrawing() && !char_avail()) { /* may need to redraw when no more chars available now */ ins_redraw(); if (char2cells(c) == 1) { /* first remove the '?', otherwise it's restored when typing * an ESC next */ edit_unputchar(); ins_redraw(); edit_putchar(c, TRUE); } #ifdef FEAT_CMDL_INFO add_to_showcmd_c(c); #endif } ++no_mapping; ++allow_keys; cc = safe_vgetc(); --no_mapping; --allow_keys; if (cc != ESC) { AppendToRedobuff((char_u *)CTRL_V_STR); c = getdigraph(c, cc, TRUE); #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif return c; } } edit_unputchar(); #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif return NUL; } #endif /* * Handle CTRL-E and CTRL-Y in Insert mode: copy char from other line. * Returns the char to be inserted, or NUL if none found. */ static int ins_copychar(lnum) linenr_T lnum; { int c; int temp; char_u *ptr, *prev_ptr; if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) { vim_beep(); return NUL; } /* try to advance to the cursor column */ temp = 0; ptr = ml_get(lnum); prev_ptr = ptr; validate_virtcol(); while ((colnr_T)temp < curwin->w_virtcol && *ptr != NUL) { prev_ptr = ptr; temp += lbr_chartabsize_adv(&ptr, (colnr_T)temp); } if ((colnr_T)temp > curwin->w_virtcol) ptr = prev_ptr; #ifdef FEAT_MBYTE c = (*mb_ptr2char)(ptr); #else c = *ptr; #endif if (c == NUL) vim_beep(); return c; } #ifdef FEAT_SMARTINDENT /* * Try to do some very smart auto-indenting. * Used when inserting a "normal" character. */ static void ins_try_si(c) int c; { pos_T *pos, old_pos; char_u *ptr; int i; int temp; /* * do some very smart indenting when entering '{' or '}' */ if (((did_si || can_si_back) && c == '{') || (can_si && c == '}')) { /* * for '}' set indent equal to indent of line containing matching '{' */ if (c == '}' && (pos = findmatch(NULL, '{')) != NULL) { old_pos = curwin->w_cursor; /* * If the matching '{' has a ')' immediately before it (ignoring * white-space), then line up with the start of the line * containing the matching '(' if there is one. This handles the * case where an "if (..\n..) {" statement continues over multiple * lines -- webb */ ptr = ml_get(pos->lnum); i = pos->col; if (i > 0) /* skip blanks before '{' */ while (--i > 0 && vim_iswhite(ptr[i])) ; curwin->w_cursor.lnum = pos->lnum; curwin->w_cursor.col = i; if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL) curwin->w_cursor = *pos; i = get_indent(); curwin->w_cursor = old_pos; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) change_indent(INDENT_SET, i, FALSE, NUL); else #endif (void)set_indent(i, SIN_CHANGED); } else if (curwin->w_cursor.col > 0) { /* * when inserting '{' after "O" reduce indent, but not * more than indent of previous line */ temp = TRUE; if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1) { old_pos = curwin->w_cursor; i = get_indent(); while (curwin->w_cursor.lnum > 1) { ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum))); /* ignore empty lines and lines starting with '#'. */ if (*ptr != '#' && *ptr != NUL) break; } if (get_indent() >= i) temp = FALSE; curwin->w_cursor = old_pos; } if (temp) shift_line(TRUE, FALSE, 1); } } /* * set indent of '#' always to 0 */ if (curwin->w_cursor.col > 0 && can_si && c == '#') { /* remember current indent for next line */ old_indent = get_indent(); (void)set_indent(0, SIN_CHANGED); } /* Adjust ai_col, the char at this position can be deleted. */ if (ai_col > curwin->w_cursor.col) ai_col = curwin->w_cursor.col; } #endif /* * Get the value that w_virtcol would have when 'list' is off. * Unless 'cpo' contains the 'L' flag. */ static colnr_T get_nolist_virtcol() { if (curwin->w_p_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL) return getvcol_nolist(&curwin->w_cursor); validate_virtcol(); return curwin->w_virtcol; }