[gtk+] wayland: Protocol change: ping event on shell_surface

[Rob Bradford <rbradford src gnome org>]

commit 936ceb84b5a2c243e35dba692bee69068f946d34
Author: Rob Bradford <rob linux intel com>
Date:   Wed Jul 11 14:15:04 2012 +0100

    wayland: Protocol change: ping event on shell_surface

 gdk/wayland/gdkwindow-wayland.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index ff3b92b..a0e2d7e 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -685,7 +685,16 @@ shell_surface_popup_done (void                    *data,
   gdk_window_hide (window);
 }
 
+static void
+shell_surface_ping (void                    *data,
+                    struct wl_shell_surface *shell_surface,
+                    uint32_t                 serial)
+{
+  wl_shell_surface_pong(shell_surface, serial);
+}
+
 static const struct wl_shell_surface_listener shell_surface_listener = {
+  shell_surface_ping,
   shell_surface_handle_configure,
   shell_surface_popup_done
 };