[clutter/clutter-1.22] clutter/osx: add clutter_osx_disable_event_retrieval

[Emmanuele Bassi <ebassi src gnome org>]

commit 9efda7eac7182249cf1a28020a4b3d9bcb45362f
Author: cee1 <fykcee1 gmail com>
Date:   Wed Dec 4 10:43:56 2013 +0800

    clutter/osx: add clutter_osx_disable_event_retrieval
    
    https://bugzilla.gnome.org/show_bug.cgi?id=719962

 clutter/osx/clutter-backend-osx.c |   19 ++++++++++++++++++-
 clutter/osx/clutter-osx.h         |    4 +++-
 2 files changed, 21 insertions(+), 2 deletions(-)
---
diff --git a/clutter/osx/clutter-backend-osx.c b/clutter/osx/clutter-backend-osx.c
index 1438a50..90f5e6c 100644
--- a/clutter/osx/clutter-backend-osx.c
+++ b/clutter/osx/clutter-backend-osx.c
@@ -42,6 +42,9 @@
 
 G_DEFINE_TYPE (ClutterBackendOSX, clutter_backend_osx, CLUTTER_TYPE_BACKEND)
 
+/* various flags corresponding to pre init setup calls */
+static gboolean _no_event_retrieval = FALSE;
+
 /*************************************************************************/
 static gboolean
 clutter_backend_osx_post_parse (ClutterBackend  *backend,
@@ -73,6 +76,19 @@ clutter_backend_osx_post_parse (ClutterBackend  *backend,
   return TRUE;
 }
 
+void
+clutter_osx_disable_event_retrieval (void)
+{
+  if (_clutter_context_is_initialized ())
+    {
+      g_warning ("clutter_osx_disable_event_retrieval() can only be "
+                 "called before clutter_init()");
+      return;
+    }
+
+  _no_event_retrieval = TRUE;
+}
+
 static ClutterFeatureFlags
 clutter_backend_osx_get_features (ClutterBackend *backend)
 {
@@ -95,7 +111,8 @@ _clutter_backend_osx_events_init (ClutterBackend *backend)
                   "backend", CLUTTER_BACKEND(backend_osx),
                   NULL);
 
-  _clutter_osx_event_loop_init ();
+  if (!_no_event_retrieval)
+    _clutter_osx_event_loop_init ();
 }
 
 static gboolean
diff --git a/clutter/osx/clutter-osx.h b/clutter/osx/clutter-osx.h
index b8ea628..fb389e0 100644
--- a/clutter/osx/clutter-osx.h
+++ b/clutter/osx/clutter-osx.h
@@ -24,7 +24,7 @@
 
 #import <AppKit/AppKit.h>
 
-#include <clutter/clutter-stage.h>
+#include <clutter/clutter.h>
 
 @class NSEvent;
 
@@ -38,6 +38,8 @@ void _clutter_events_osx_uninit (void);
 
 void _clutter_event_osx_put     (NSEvent *nsevent, ClutterStage *wrapper);
 
+void clutter_osx_disable_event_retrieval (void);
+
 G_END_DECLS
 
 #endif /* __CLUTTER_OSX_H__ */