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Don't invalidate unnecessary areas on raise

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We used to invalidate the whole window when raised, but this is
unnecessary much, we now just invalidate the visible area minus the
previously visible area.

This also fixes a problem where expose calling raise caused a loop (#588438)
This commit is contained in:
Alexander Larsson
2009-08-10 15:35:33 +02:00
parent 0fc8c475a8
commit 19c1c11322
1 changed files with 16 additions and 1 deletions
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17
gdk/gdkwindow.c
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@ -5978,6 +5978,7 @@ void
gdk_window_raise (GdkWindow *window)
{
GdkWindowObject *private;
GdkRegion *old_region, *new_region;
g_return_if_fail (GDK_IS_WINDOW (window));
@ -5985,12 +5986,26 @@ gdk_window_raise (GdkWindow *window)
if (private->destroyed)
return;
old_region = NULL;
if (gdk_window_is_viewable (window) &&
!private->input_only)
old_region = gdk_region_copy (private->clip_region);
/* Keep children in (reverse) stacking order */
gdk_window_raise_internal (window);
recompute_visible_regions (private, TRUE, FALSE);
gdk_window_invalidate_rect (window, NULL, TRUE);
if (old_region)
{
new_region = gdk_region_copy (private->clip_region);
gdk_region_subtract (new_region, old_region);
gdk_window_invalidate_region (window, new_region, TRUE);
gdk_region_destroy (old_region);
gdk_region_destroy (new_region);
}
}
static void