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patch 8.0.1164: changing StatusLine highlight does not always work

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Problem:    Changing StatusLine highlight while evaluating 'statusline' may
            not change the status line color.
Solution:   When changing highlighting while redrawing don't cause another
            redraw. (suggested by Ozaki Kiichi, closes #2171, closes #2120)
This commit is contained in:
Bram Moolenaar
2017-09-30 16:00:14 +02:00
parent c79977a437
commit 65ed136844
3 changed files with 23 additions and 9 deletions
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16
src/syntax.c
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@@ -7378,6 +7378,7 @@ do_highlight(
int id;
int idx;
struct hl_group item_before;
int did_change = FALSE;
int dodefault = FALSE;
int doclear = FALSE;
int dolink = FALSE;
@@ -7787,6 +7788,7 @@ do_highlight(
/* GUI not started yet, always accept the name. */
vim_free(HL_TABLE()[idx].sg_font_name);
HL_TABLE()[idx].sg_font_name = vim_strsave(arg);
did_change = TRUE;
}
else
{
@@ -7815,6 +7817,7 @@ do_highlight(
gui_mch_free_fontset(temp_sg_fontset);
vim_free(HL_TABLE()[idx].sg_font_name);
HL_TABLE()[idx].sg_font_name = vim_strsave(arg);
did_change = TRUE;
}
else
HL_TABLE()[idx].sg_fontset = temp_sg_fontset;
@@ -7826,6 +7829,7 @@ do_highlight(
gui_mch_free_font(temp_sg_font);
vim_free(HL_TABLE()[idx].sg_font_name);
HL_TABLE()[idx].sg_font_name = vim_strsave(arg);
did_change = TRUE;
}
else
HL_TABLE()[idx].sg_font = temp_sg_font;
@@ -7991,6 +7995,7 @@ do_highlight(
*namep = vim_strsave(arg);
else
*namep = NULL;
did_change = TRUE;
}
# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
# ifdef FEAT_GUI_X11
@@ -8041,6 +8046,7 @@ do_highlight(
*namep = vim_strsave(arg);
else
*namep = NULL;
did_change = TRUE;
}
# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
# ifdef FEAT_GUI_X11
@@ -8090,6 +8096,7 @@ do_highlight(
*namep = vim_strsave(arg);
else
*namep = NULL;
did_change = TRUE;
}
# ifdef FEAT_GUI
}
@@ -8259,13 +8266,18 @@ do_highlight(
/* Only call highlight_changed() once, after a sequence of highlight
* commands, and only if an attribute actually changed. */
if (memcmp(&HL_TABLE()[idx], &item_before, sizeof(item_before)) != 0
if ((did_change
|| memcmp(&HL_TABLE()[idx], &item_before, sizeof(item_before)) != 0)
#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
&& !did_highlight_changed
#endif
)
{
redraw_all_later(NOT_VALID);
/* Do not trigger a redraw when highlighting is changed while
* redrawing. This may happen when evaluating 'statusline' changes the
* StatusLine group. */
if (!updating_screen)
redraw_all_later(NOT_VALID);
need_highlight_changed = TRUE;
}
}