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Make gdk_window_get_toplevel() for CHILD window with root as parent

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Having GDK_WINDOW_CHILD windows with root as the parent apparently works,
and metacity uses it. The current gdk_window_get_toplevel() returns the
root window for that, which is wrong, so we check that explicitly.
This commit is contained in:
Alexander Larsson 2009-01-28 16:37:56 +01:00 committed by Alexander Larsson
parent 33c0c1fba8
commit 8b7d8431aa
1 changed files with 11 additions and 1 deletions
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12
gdk/gdkwindow.c
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@ -1662,6 +1662,10 @@ gdk_window_get_parent (GdkWindow *window)
* @window: a #GdkWindow
*
* Gets the toplevel window that's an ancestor of @window.
*
* Any window type but %GDK_WINDOW_CHILD is considered a
* toplevel window, as is a %GDK_WINDOW_CHILD window that
* has a root window as parent.
*
* Return value: the toplevel window containing @window
**/
@ -1673,8 +1677,14 @@ gdk_window_get_toplevel (GdkWindow *window)
g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
obj = (GdkWindowObject *)window;
while (GDK_WINDOW_TYPE (obj) == GDK_WINDOW_CHILD)
obj = (GdkWindowObject *)obj->parent;
{
if (obj->parent == NULL ||
GDK_WINDOW_TYPE (obj->parent) == GDK_WINDOW_ROOT)
break;
obj = obj->parent;
}
return GDK_WINDOW (obj);
}