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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)
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1 changed files with 11 additions and 0 deletions
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src/window.c
11
src/window.c
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@ -7137,6 +7137,11 @@ set_window_fringes (struct window *w, Lisp_Object left_width,
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w->right_fringe_width = right;
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w->fringes_outside_margins = outside;
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/* This is needed to trigger immediate redisplay of the window
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when its fringes are changed, because fringes are redrawn
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only if update_window is called, so we must trigger that even
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if the window's glyph matrices did not change at all. */
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windows_or_buffers_changed = 35;
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return w;
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}
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else
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@ -7254,6 +7259,12 @@ set_window_scroll_bars (struct window *w, Lisp_Object width,
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wset_horizontal_scroll_bar_type (w, Qnil);
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#endif
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/* This is needed to trigger immediate redisplay of the window when
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scroll bars are changed, because scroll bars are redisplayed only
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if more than a single window needs to be considered, see
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redisplay_internal. */
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if (changed)
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windows_or_buffers_changed = 31;
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return changed ? w : NULL;
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}
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