wayland: Save the serial number for the ping event

diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 963da15070a424adb7a3bd32f98ae4a4fdbe4afc..2544666cf82c38071664351da88dbd01eb27e309 100644 (file)
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -696,6 +696,13 @@ shell_surface_ping (void                    *data,
                     struct wl_shell_surface *shell_surface,
                     uint32_t                 serial)
 {
+
+  GdkWindow *window = GDK_WINDOW (data);
+  GdkWaylandDisplay *wayland_display =
+    GDK_WAYLAND_DISPLAY (gdk_window_get_display (window));
+
+  _gdk_wayland_display_update_serial (wayland_display, serial);
+
   wl_shell_surface_pong(shell_surface, serial);
 }