[gnome-terminal] window: Only connect to GdkScreenX11 specific signal on X11

[Christian Persch <chpe src gnome org>]

commit d5bb673c8a1b5479bb8073db6cd99aa565b24097
Author: Christian Persch <chpe gnome org>
Date:   Thu Mar 14 14:06:16 2013 +0100

    window: Only connect to GdkScreenX11 specific signal on X11

 src/terminal-window.c |   20 +++++++++++++++-----
 1 files changed, 15 insertions(+), 5 deletions(-)
---
diff --git a/src/terminal-window.c b/src/terminal-window.c
index 9b8315e..e25dea4 100644
--- a/src/terminal-window.c
+++ b/src/terminal-window.c
@@ -1517,6 +1517,7 @@ terminal_window_state_event (GtkWidget            *widget,
   return FALSE;
 }
 
+#ifdef GDK_WINDOWING_X11
 static void
 terminal_window_window_manager_changed_cb (GdkScreen *screen,
                                            TerminalWindow *window)
@@ -1533,6 +1534,7 @@ terminal_window_window_manager_changed_cb (GdkScreen *screen,
   action = gtk_action_group_get_action (priv->action_group, "ViewFullscreen");
   gtk_action_set_sensitive (action, supports_fs);
 }
+#endif /* GDK_WINDOWING_X11 */
 
 static void
 terminal_window_screen_update (TerminalWindow *window,
@@ -1542,9 +1544,13 @@ terminal_window_screen_update (TerminalWindow *window,
   GtkSettings *gtk_settings;
   char *value;
 
-  terminal_window_window_manager_changed_cb (screen, window);
-  g_signal_connect (screen, "window-manager-changed",
-                    G_CALLBACK (terminal_window_window_manager_changed_cb), window);
+#ifdef GDK_WINDOWING_X11
+  if (GDK_IS_X11_SCREEN (screen)) {
+    terminal_window_window_manager_changed_cb (screen, window);
+    g_signal_connect (screen, "window-manager-changed",
+                      G_CALLBACK (terminal_window_window_manager_changed_cb), window);
+  }
+#endif
 
   if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (screen), "GT::HasSettingsConnection")))
     return;
@@ -1589,12 +1595,14 @@ terminal_window_screen_changed (GtkWidget *widget,
   if (previous_screen == screen)
     return;
 
-  if (previous_screen)
+#ifdef GDK_WINDOWING_X11
+  if (previous_screen && GDK_IS_X11_SCREEN (previous_screen))
     {
       g_signal_handlers_disconnect_by_func (previous_screen,
                                             G_CALLBACK (terminal_window_window_manager_changed_cb),
                                             window);
     }
+#endif
 
   if (!screen)
     return;
@@ -2021,12 +2029,14 @@ terminal_window_dispose (GObject *object)
                                         window);
 
   screen = gtk_widget_get_screen (GTK_WIDGET (object));
-  if (screen)
+#ifdef GDK_WINDOWING_X11
+  if (screen && GDK_IS_X11_SCREEN (screen))
     {
       g_signal_handlers_disconnect_by_func (screen,
                                             G_CALLBACK (terminal_window_window_manager_changed_cb),
                                             window);
     }
+#endif
 
   G_OBJECT_CLASS (terminal_window_parent_class)->dispose (object);
 }