Guard against gdkx11 calls in a Wayland session.

Fixes #3468

Author: mtwebster

eel/eel-gtk-extensions.c

@@ -375,6 +375,11 @@ eel_gtk_get_window_xid (GtkWindow *window)
 {
     g_return_val_if_fail (GTK_IS_WINDOW (window), 0);
 
+    if (eel_check_is_wayland ()) {
+        g_debug ("eel_gtk_get_window_xid: called on Wayland, returning 0");
+        return 0;
+    }
+
     GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (window));
     g_return_val_if_fail (GDK_IS_X11_WINDOW (gdkw), 0);
 

src/nemo-main-application.c

@@ -445,8 +445,12 @@ open_tabs_in_existing_window (NemoMainApplication *application,
 
             /* Don't use `gtk_window_present()`, as the window manager will ignore this window's focus request and try
              * to just mark it urgent instead (flashing in the window list for example). */
-            gtk_window_present_with_time (GTK_WINDOW (window),
-                                          gdk_x11_get_server_time (gtk_widget_get_window (GTK_WIDGET (window))));
+            if (eel_check_is_wayland ()) {
+                gtk_window_present (GTK_WINDOW (window));
+            } else {
+                gtk_window_present_with_time (GTK_WINDOW (window),
+                                              gdk_x11_get_server_time (gtk_widget_get_window (GTK_WIDGET (window))));
+            }
 
           break;
         }

src/nemo-view.c

@@ -1205,7 +1205,8 @@ nemo_view_preview_files (NemoView *view,
 	uri = nemo_file_get_uri (files->data);
 	toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
 
-	xid = gdk_x11_window_get_xid (gtk_widget_get_window (toplevel));
+    xid = eel_gtk_get_window_xid (GTK_WINDOW (toplevel));
+
 	nemo_previewer_call_show_file (previewer, uri, xid, TRUE);
 
 	g_free (uri);