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gdk: Fix repaint of layered region during move_region

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This commit is contained in:
Alexander Larsson 2011-12-01 16:45:36 +01:00
parent 8e28f53a1d
commit 7a263c68a0
1 changed files with 6 additions and 1 deletions
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5
gdk/gdkwindow.c
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@ -6409,12 +6409,17 @@ gdk_window_move_region (GdkWindow *window,
impl_window = gdk_window_get_impl_window (window); impl_window = gdk_window_get_impl_window (window);
/* compute source regions */ /* compute source regions */
if (window->has_alpha_background)
copy_area = cairo_region_create (); /* Copy nothing for alpha windows */
else
copy_area = cairo_region_copy (region); copy_area = cairo_region_copy (region);
cairo_region_intersect (copy_area, window->clip_region_with_children); cairo_region_intersect (copy_area, window->clip_region_with_children);
cairo_region_subtract (copy_area, window->layered_region);
/* compute destination regions */ /* compute destination regions */
cairo_region_translate (copy_area, dx, dy); cairo_region_translate (copy_area, dx, dy);
cairo_region_intersect (copy_area, window->clip_region_with_children); cairo_region_intersect (copy_area, window->clip_region_with_children);
cairo_region_subtract (copy_area, window->layered_region);
/* Invalidate parts of the region (source and dest) not covered /* Invalidate parts of the region (source and dest) not covered
by the copy */ by the copy */