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Don't ever invalidate the root window

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This never worked before csw since the root window is never
set as IS_MAPPED, but with the new viewable check (which is
true for the root window) we could erronously queue exposes
on the root window.

This happened unexpectedly in bug 589369, where metacity
got a GraphicsExpose event on the root window due to some
graphics operation, queueing an expose which would be handled
by clearing that area. That is fixed with this commit.
This commit is contained in:
Alexander Larsson 2009-08-10 14:08:37 +02:00
parent c68194b951
commit 7f92684237
1 changed files with 2 additions and 1 deletions
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3
gdk/gdkwindow.c
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@ -5135,7 +5135,8 @@ gdk_window_invalidate_maybe_recurse (GdkWindow *window,
if (private->input_only ||
!private->viewable ||
gdk_region_empty (region))
gdk_region_empty (region) ||
private->window_type == GDK_WINDOW_ROOT)
return;
visible_region = gdk_drawable_get_visible_region (window);