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Attempt to avoid rare segfaults in show_mouse_face

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* src/xdisp.c (show_mouse_face): Don't display the active region
if called on a frame different from the one recorded in HLINFO.
(Bug#37671)
This commit is contained in:
Eli Zaretskii 2020-03-06 09:48:10 +02:00
parent 88c6db9196
commit 33b31dc314
1 changed files with 4 additions and 0 deletions
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4
src/xdisp.c
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@ -31454,6 +31454,10 @@ show_mouse_face (Mouse_HLInfo *hlinfo, enum draw_glyphs_face draw)
struct window *w = XWINDOW (hlinfo->mouse_face_window);
struct frame *f = XFRAME (WINDOW_FRAME (w));
/* Don't bother doing anything if we are on a wrong frame. */
if (f != hlinfo->mouse_face_mouse_frame)
return;
if (/* If window is in the process of being destroyed, don't bother
to do anything. */
w->current_matrix != NULL