[mutter/wip/tintou/clutter-frame-clock-delegates] clutter/frame-clock: Define the elements of ClutterFrameListenerIface as delegates

[Corentin Noël <corentinnoel src gnome org>]

commit 694e53133646f999c1e6e5ae46970916987ddac2
Author: Corentin Noël <corentin noel collabora com>
Date:   Tue Aug 25 17:08:04 2020 +0200

    clutter/frame-clock: Define the elements of ClutterFrameListenerIface as delegates
    
    This allows the introspection to properly understand that the fields of the ClutterFrameListenerIface 
structure are delegates.

 clutter/clutter/clutter-frame-clock.h | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)
---
diff --git a/clutter/clutter/clutter-frame-clock.h b/clutter/clutter/clutter-frame-clock.h
index 3c9ab7b5ad..b5ace01a1d 100644
--- a/clutter/clutter/clutter-frame-clock.h
+++ b/clutter/clutter/clutter-frame-clock.h
@@ -40,15 +40,20 @@ G_DECLARE_FINAL_TYPE (ClutterFrameClock, clutter_frame_clock,
                       CLUTTER, FRAME_CLOCK,
                       GObject)
 
+typedef void (* ClutterFrameListenerBeforeFrameFunc) (ClutterFrameClock *frame_clock,
+                                                      int64_t            frame_count,
+                                                      gpointer           user_data);
+
+
+typedef ClutterFrameResult (* ClutterFrameListenerFrameFunc) (ClutterFrameClock *frame_clock,
+                                                              int64_t            frame_count,
+                                                              int64_t            time_us,
+                                                              gpointer           user_data);
+
 typedef struct _ClutterFrameListenerIface
 {
-  void (* before_frame) (ClutterFrameClock *frame_clock,
-                         int64_t            frame_count,
-                         gpointer           user_data);
-  ClutterFrameResult (* frame) (ClutterFrameClock *frame_clock,
-                                int64_t            frame_count,
-                                int64_t            time_us,
-                                gpointer           user_data);
+  ClutterFrameListenerBeforeFrameFunc before_frame;
+  ClutterFrameListenerFrameFunc frame;
 } ClutterFrameListenerIface;
 
 CLUTTER_EXPORT