GdkWindow: Check for offscreen windows in set_transient_for ()

Bug: https://gitlab.gnome.org/GNOME/gimp/-/issues/6711
Forwarded: https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/6184
Origin: 3.24.39, commit:3e3266dce4a8aed453f296ca8043e3574ff29f63

Gbp-Pq: Name GdkWindow-Check-for-offscreen-windows-in-set_transient_fo.patch

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 727b0cf1f439d3258284f84434453ce448134ed0..62d488d75942b23908048619841b95e01464c9b4 100644 (file)
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -10542,6 +10542,13 @@ void
 gdk_window_set_transient_for (GdkWindow *window,
                              GdkWindow *parent)
 {
+  if (!gdk_window_is_offscreen (window) &&
+      parent != NULL &&
+      gdk_window_is_offscreen (parent))
+    {
+      return;
+    }
+
   window->transient_for = parent;
 
   GDK_WINDOW_IMPL_GET_CLASS (window->impl)->set_transient_for (window, parent);