From: Benjamin Otte <otte@redhat.com>
Date: Wed, 1 Nov 2017 17:16:11 +0000 (+0100)
Subject: window: Unset transient parent in set_display()
X-Git-Tag: archive/raspbian/4.4.1+ds1-2+rpi1^2~18^2~23^2~976
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=b880296354e98db738fc038cbffe2c21869ffa07;p=gtk4.git

window: Unset transient parent in set_display()

If somebody changes a window's display, the transient parent cannot
stay if it's on a different display.
---

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index c9716a698b..8aba4f8d52 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -9966,6 +9966,9 @@ gtk_window_set_display (GtkWindow  *window,
   if (_gtk_widget_get_realized (widget))
     gtk_widget_unrealize (widget);
 
+  if (priv->transient_parent && gtk_widget_get_display (GTK_WIDGET (priv->transient_parent)) != display)
+    gtk_window_set_transient_for (window, NULL);
+
   gtk_window_free_key_hash (window);
   priv->display = display;
 #ifdef GDK_WINDOWING_X11