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Fix builds without GTK

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* src/xfns.c (x_set_alpha_background): Don't call
gtk_widget_set_app_paintable without GTK.
This commit is contained in:
Po Lu 2022-01-31 10:30:24 +08:00
parent 1555453694
commit 0a34aeee7e
1 changed files with 2 additions and 0 deletions
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2
src/xfns.c
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@ -732,10 +732,12 @@ x_set_alpha_background (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
gui_set_alpha_background (f, arg, oldval);
#ifdef USE_GTK
/* This prevents GTK from painting the window's background, which
interferes with transparent background in some environments */
gtk_widget_set_app_paintable (FRAME_GTK_OUTER_WIDGET (f),
f->alpha_background != 1.0);
#endif
if (f->alpha_background != 1.0)
{