From e1bdab671f8bc01e81ead96c2282270307ec0dcc Mon Sep 17 00:00:00 2001
From: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
Date: Mon, 3 Jul 2017 00:07:11 +0100
Subject: [PATCH] gtkdialogs_wayland

Gbp-Pq: Name gtkdialogs_wayland.diff
---
 src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
index c2a116b03..adecb6b55 100644
--- a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
+++ b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
@@ -129,10 +129,12 @@ bool QGtk3Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWind
 
     GdkWindow *gdkWindow = gtk_widget_get_window(gtkWidget);
     if (parent) {
-        GdkDisplay *gdkDisplay = gdk_window_get_display(gdkWindow);
-        XSetTransientForHint(gdk_x11_display_get_xdisplay(gdkDisplay),
-                             gdk_x11_window_get_xid(gdkWindow),
-                             parent->winId());
+        if (GDK_IS_X11_WINDOW(gdkWindow)) {
+            GdkDisplay *gdkDisplay = gdk_window_get_display(gdkWindow);
+            XSetTransientForHint(gdk_x11_display_get_xdisplay(gdkDisplay),
+                                 gdk_x11_window_get_xid(gdkWindow),
+                                 parent->winId());
+        }
     }
 
     if (modality != Qt::NonModal) {
-- 
2.30.2