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author | Eli Zaretskii <eliz@gnu.org> | 2018-12-11 12:32:11 +0200 |
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committer | Eli Zaretskii <eliz@gnu.org> | 2018-12-11 12:32:11 +0200 |
commit | 24b5026fb6b622966fd773178608617fa2f8add2 (patch) | |
tree | a778a79f06a46076bc812b0454a0e3805607ae5d | |
parent | 5d1b158feb693847015326b3eae6605c9794b47d (diff) | |
download | emacs-24b5026fb6b622966fd773178608617fa2f8add2.tar.gz |
Fix redisplay when a window's scroll bar or fringes are changed
* src/window.c (set_window_fringes, set_window_scroll_bars):
Set windows_or_buffers_changed flag to cause immediate
thorough redisplay of a window when scroll bars or fringes are
changed. (Bug#33694)
-rw-r--r-- | src/window.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/window.c b/src/window.c index 5d99098cba1..6026313e5a4 100644 --- a/src/window.c +++ b/src/window.c @@ -7137,6 +7137,11 @@ set_window_fringes (struct window *w, Lisp_Object left_width, w->right_fringe_width = right; w->fringes_outside_margins = outside; + /* This is needed to trigger immediate redisplay of the window + when its fringes are changed, because fringes are redrawn + only if update_window is called, so we must trigger that even + if the window's glyph matrices did not change at all. */ + windows_or_buffers_changed = 35; return w; } else @@ -7254,6 +7259,12 @@ set_window_scroll_bars (struct window *w, Lisp_Object width, wset_horizontal_scroll_bar_type (w, Qnil); #endif + /* This is needed to trigger immediate redisplay of the window when + scroll bars are changed, because scroll bars are redisplayed only + if more than a single window needs to be considered, see + redisplay_internal. */ + if (changed) + windows_or_buffers_changed = 31; return changed ? w : NULL; } |