xdg_shell_v6: Add ds_xdg_surface_v6_from_resource()

Change-Id: Ie357eff7049a409a3bed99e65a77085aa69b5a50

diff --git a/include/libds/xdg_shell_v6.h b/include/libds/xdg_shell_v6.h
index 34916f6..df3ede2 100644 (file)
--- a/include/libds/xdg_shell_v6.h
+++ b/include/libds/xdg_shell_v6.h
@@ -40,6 +40,9 @@ void
 ds_xdg_shell_v6_add_new_surface_listener(struct ds_xdg_shell_v6 *shell,
         struct wl_listener *listener);
 
+struct ds_xdg_surface_v6 *
+ds_xdg_surface_v6_from_resource(struct wl_resource *resource);
+
 void
 ds_xdg_surface_v6_add_destroy_listener(struct ds_xdg_surface_v6 *surface,
         struct wl_listener *listener);

diff --git a/src/xdg_shell_v6/xdg_surface_v6.c b/src/xdg_shell_v6/xdg_surface_v6.c
index 51742ed..8483c59 100644 (file)
--- a/src/xdg_shell_v6/xdg_surface_v6.c
+++ b/src/xdg_shell_v6/xdg_surface_v6.c
@@ -15,6 +15,16 @@ static void xdg_surface_v6_handle_resource_destroy(struct wl_resource *resource)
 static void xdg_surface_v6_configure_destroy(struct ds_xdg_surface_v6_configure *configure);
 static void surface_send_configure(void *user_data);
 
+WL_EXPORT struct ds_xdg_surface_v6 *
+ds_xdg_surface_v6_from_resource(struct wl_resource *resource)
+{
+    if (!wl_resource_instance_of(resource, &zxdg_surface_v6_interface,
+                &xdg_surface_v6_impl)) {
+        return NULL;
+    }
+    return wl_resource_get_user_data(resource);
+}
+
 void
 ds_xdg_surface_v6_add_destroy_listener(struct ds_xdg_surface_v6 *surface,
         struct wl_listener *listener)