[gtk/present-toplevel-2: 35/79] implement new toplevel api

[Matthias Clasen <matthiasc src gnome org>]

commit 36136ed911b1f0982b2905b1365d0436439c5ea7
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 3 10:05:26 2020 -0800

    implement new toplevel api

 gdk/gdksurface.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/gdk/gdksurface.c b/gdk/gdksurface.c
index c360b95665..9a5b3d6ee9 100644
--- a/gdk/gdksurface.c
+++ b/gdk/gdksurface.c
@@ -2097,6 +2097,17 @@ gdk_toplevel_surface_minimize (GdkToplevel *toplevel)
   return TRUE;
 }
 
+static void
+gdk_toplevel_surface_focus (GdkToplevel *toplevel,
+                            guint32      timestamp)
+{
+  GdkSurface *surface = GDK_SURFACE (toplevel);
+
+  g_return_if_fail (surface->surface_type == GDK_SURFACE_TOPLEVEL);
+  
+  GDK_SURFACE_GET_CLASS (surface)->focus (surface, timestamp);
+}
+
 static gboolean
 gdk_toplevel_surface_show_window_menu (GdkToplevel *toplevel,
                                        GdkEvent    *event)
@@ -2113,6 +2124,7 @@ gdk_surface_toplevel_init (GdkToplevelInterface *iface)
 {
   iface->present = gdk_toplevel_surface_present;
   iface->minimize = gdk_toplevel_surface_minimize;
+  iface->focus = gdk_toplevel_surface_focus;
   iface->show_window_menu = gdk_toplevel_surface_show_window_menu;
 }