Add the conceal patch from Vince Negri.

1 files changed, 116 insertions, 1 deletions

diff --git a/src/normal.c b/src/normal.c
index 3e8a492ec..002430d71 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -1335,6 +1335,14 @@ normal_end:
     }
 #endif
 
+#ifdef FEAT_CURSORBIND
+    if (curwin->w_p_crb && toplevel)
+    {
+	validate_cursor();	/* may need to update w_leftcol */
+	do_check_cursorbind();
+    }
+#endif
+
     /*
      * May restart edit(), if we got here with CTRL-O in Insert mode (but not
      * if still inside a mapping that started in Visual mode).
@@ -2290,6 +2298,9 @@ do_mouse(oap, c, dir, count, fixindent)
     int		old_mode = VIsual_mode;
 #endif
     int		regname;
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
 
 #if defined(FEAT_FOLDING)
     save_cursor = curwin->w_cursor;
@@ -2762,6 +2773,14 @@ do_mouse(oap, c, dir, count, fixindent)
 	    curwin->w_cursor = save_cursor;
     }
 #endif
+#ifdef FEAT_CONCEAL
+    if (curwin->w_p_conceal && moved
+		&& (old_curwin != curwin || oldline != curwin->w_cursor.lnum))
+    {
+	update_single_line(old_curwin, oldline);
+	update_single_line(curwin, curwin->w_cursor.lnum);
+    }
+#endif
 
 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
     if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
@@ -5302,7 +5321,7 @@ nv_clear(cap)
 #endif
 #ifdef FEAT_SYN_HL
 	/* Clear all syntax states to force resyncing. */
-	syn_stack_free_all(curbuf);
+	syn_stack_free_all(curwin->w_s);
 #endif
 	redraw_later(CLEAR);
     }
@@ -5694,6 +5713,9 @@ nv_scroll(cap)
     linenr_T	lnum;
 #endif
     int		half;
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
 
     cap->oap->motion_type = MLINE;
     setpcmark();
@@ -5781,6 +5803,13 @@ nv_scroll(cap)
 
     cursor_correct();	/* correct for 'so' */
     beginline(BL_SOL | BL_FIX);
+#ifdef FEAT_CONCEAL
+    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+    {
+	update_single_line(curwin, oldline);
+	update_single_line(curwin, curwin->w_cursor.lnum);
+    }
+#endif
 }
 
 /*
@@ -5796,6 +5825,9 @@ nv_right(cap)
 #else
 # define PAST_LINE 0
 #endif
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
 
     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
     {
@@ -5900,6 +5932,13 @@ nv_right(cap)
 					       && cap->oap->op_type == OP_NOP)
 	foldOpenCursor();
 #endif
+#ifdef FEAT_CONCEAL
+    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+    {
+	update_single_line(curwin, oldline);
+	update_single_line(curwin, curwin->w_cursor.lnum);
+    }
+#endif
 }
 
 /*
@@ -5912,6 +5951,9 @@ nv_left(cap)
     cmdarg_T	*cap;
 {
     long	n;
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
 
     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
     {
@@ -5970,6 +6012,13 @@ nv_left(cap)
 					       && cap->oap->op_type == OP_NOP)
 	foldOpenCursor();
 #endif
+#ifdef FEAT_CONCEAL
+    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+    {
+	update_single_line(curwin, oldline);
+	update_single_line(curwin, curwin->w_cursor.lnum);
+    }
+#endif
 }
 
 /*
@@ -5988,11 +6037,21 @@ nv_up(cap)
     }
     else
     {
+#ifdef FEAT_CONCEAL
+	linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
 	cap->oap->motion_type = MLINE;
 	if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
 	    clearopbeep(cap->oap);
 	else if (cap->arg)
 	    beginline(BL_WHITE | BL_FIX);
+#ifdef FEAT_CONCEAL
+	if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+	{
+	    update_single_line(curwin, oldline);
+	    update_single_line(curwin, curwin->w_cursor.lnum);
+	}
+#endif
     }
 }
 
@@ -6021,6 +6080,10 @@ nv_down(cap)
     else
 #endif
     {
+#ifdef FEAT_CONCEAL
+	linenr_T	oldline = curwin->w_cursor.lnum;
+	linenr_T	oldbotline = curwin->w_botline;
+#endif
 #ifdef FEAT_CMDWIN
 	/* In the cmdline window a <CR> executes the command. */
 	if (cmdwin_type != 0 && cap->cmdchar == CAR)
@@ -6033,6 +6096,16 @@ nv_down(cap)
 		clearopbeep(cap->oap);
 	    else if (cap->arg)
 		beginline(BL_WHITE | BL_FIX);
+#ifdef FEAT_CONCEAL
+	    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+	    {
+		update_single_line(curwin, oldline);
+		/* Don't do this if we've scrolled, the line is already
+		 * drawn */
+		if (oldbotline == curwin->w_botline)
+		    update_single_line(curwin, curwin->w_cursor.lnum);
+	    }
+#endif
 	}
     }
 }
@@ -8197,6 +8270,10 @@ nv_g_cmd(cap)
 n_opencmd(cap)
     cmdarg_T	*cap;
 {
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
+
     if (!checkclearopq(cap->oap))
     {
 #ifdef FEAT_FOLDING
@@ -8220,6 +8297,10 @@ n_opencmd(cap)
 #endif
 		    0, 0))
 	{
+#ifdef FEAT_CONCEAL
+	    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+		update_single_line(curwin, oldline);
+#endif
 	    /* When '#' is in 'cpoptions' ignore the count. */
 	    if (vim_strchr(p_cpo, CPO_HASH) != NULL)
 		cap->count1 = 1;
@@ -8424,6 +8505,9 @@ nv_pipe(cap)
 nv_bck_word(cap)
     cmdarg_T	*cap;
 {
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
     cap->oap->motion_type = MCHAR;
     cap->oap->inclusive = FALSE;
     curwin->w_set_curswant = TRUE;
@@ -8433,6 +8517,13 @@ nv_bck_word(cap)
     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
 	foldOpenCursor();
 #endif
+#ifdef FEAT_CONCEAL
+    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+    {
+	update_single_line(curwin, oldline);
+	update_single_line(curwin, curwin->w_cursor.lnum);
+    }
+#endif
 }
 
 /*
@@ -8447,6 +8538,9 @@ nv_wordcmd(cap)
     int		word_end;
     int		flag = FALSE;
     pos_T	startpos = curwin->w_cursor;
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = startpos.lnum;
+#endif
 
     /*
      * Set inclusive for the "E" and "e" command.
@@ -8524,6 +8618,13 @@ nv_wordcmd(cap)
 	    foldOpenCursor();
 #endif
     }
+#ifdef FEAT_CONCEAL
+    if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+    {
+	update_single_line(curwin, oldline);
+	update_single_line(curwin, curwin->w_cursor.lnum);
+    }
+#endif
 }
 
 /*
@@ -8686,6 +8787,10 @@ nv_goto(cap)
     if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
 	foldOpenCursor();
 #endif
+#ifdef FEAT_CONCEAL
+    if (curwin->w_p_conceal)
+	changed_window_setting();
+#endif
 }
 
 /*
@@ -9111,6 +9216,9 @@ nv_put(cap)
     int		empty = FALSE;
     int		was_visual = FALSE;
 #endif
+#ifdef FEAT_CONCEAL
+    linenr_T	oldline = curwin->w_cursor.lnum;
+#endif
     int		dir;
     int		flags = 0;
 
@@ -9230,6 +9338,13 @@ nv_put(cap)
 	}
 #endif
 	auto_format(FALSE, TRUE);
+#ifdef FEAT_CONCEAL
+	if (curwin->w_p_conceal && oldline != curwin->w_cursor.lnum)
+	{
+	    update_single_line(curwin, oldline);
+	    update_single_line(curwin, curwin->w_cursor.lnum);
+	}
+#endif
     }
 }