From dfc7a531dbf9210557ca1b1879bee6dcf038d901 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <mail@baedert.org>
Date: Fri, 17 Nov 2017 20:07:18 +0100
Subject: [PATCH] wayland: Never send NULL app id

The old gdk_get_program_class was never returning NULL, but
g_get_prgname might. So use the same fallback app id name we were using
before.
---
 gdk/wayland/gdkwindow-wayland.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 1ae53ad975..224c6420f5 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -1473,6 +1473,9 @@ gdk_wayland_window_create_xdg_toplevel (GdkWindow *window)
 
   app_id = g_get_prgname ();
 
+  if (app_id == NULL)
+    app_id = "GTK+ Application";
+
   zxdg_toplevel_v6_set_app_id (impl->display_server.xdg_toplevel, app_id);
 
   maybe_set_gtk_surface_dbus_properties (window);