clutter/main: Remote global motion event handling

Clutter has two motion event toggles: one in the global context, and
one per stage. The global one is deprecated, and currently unused.

Remove the global motion event handling.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/666

clutter/clutter/clutter-main.c

@@ -472,67 +472,6 @@ clutter_redraw (ClutterStage *stage)
   clutter_stage_ensure_redraw (stage);
 }
 
-/**
- * clutter_set_motion_events_enabled:
- * @enable: %TRUE to enable per-actor motion events
- *
- * Sets whether per-actor motion events should be enabled or not on
- * all #ClutterStage<!-- -->s managed by Clutter.
- *
- * If @enable is %FALSE the following events will not work:
- *
- *  - ClutterActor::motion-event, except on the #ClutterStage
- *  - ClutterActor::enter-event
- *  - ClutterActor::leave-event
- *
- * Since: 0.6
- *
- * Deprecated: 1.8: Use clutter_stage_set_motion_events_enabled() instead.
- */
-void
-clutter_set_motion_events_enabled (gboolean enable)
-{
-  ClutterStageManager *stage_manager;
-  ClutterMainContext *context;
-  const GSList *l;
-
-  enable = !!enable;
-
-  context = _clutter_context_get_default ();
-  if (context->motion_events_per_actor == enable)
-    return;
-
-  /* store the flag for later query and for newly created stages */
-  context->motion_events_per_actor = enable;
-
-  /* propagate the change to all stages */
-  stage_manager = clutter_stage_manager_get_default ();
-
-  for (l = clutter_stage_manager_peek_stages (stage_manager);
-       l != NULL;
-       l = l->next)
-    {
-      clutter_stage_set_motion_events_enabled (l->data, enable);
-    }
-}
-
-/**
- * clutter_get_motion_events_enabled:
- *
- * Gets whether the per-actor motion events are enabled.
- *
- * Return value: %TRUE if the motion events are enabled
- *
- * Since: 0.6
- *
- * Deprecated: 1.8: Use clutter_stage_get_motion_events_enabled() instead.
- */
-gboolean
-clutter_get_motion_events_enabled (void)
-{
-  return _clutter_context_get_motion_events_enabled ();
-}
-
 void
 _clutter_id_to_color (guint         id_,
                       ClutterColor *col)
@@ -1205,7 +1144,6 @@ clutter_context_get_default_unlocked (void)
       ctx->settings = clutter_settings_get_default ();
       _clutter_settings_set_backend (ctx->settings, ctx->backend);
 
-      ctx->motion_events_per_actor = TRUE;
       ctx->last_repaint_id = 1;
     }
 
@@ -3577,14 +3515,6 @@ _clutter_context_get_pick_mode (void)
   return context->pick_mode;
 }
 
-gboolean
-_clutter_context_get_motion_events_enabled (void)
-{
-  ClutterMainContext *context = _clutter_context_get_default ();
-
-  return context->motion_events_per_actor;
-}
-
 /**
  * clutter_check_windowing_backend:
  * @backend_type: the name of the backend to check

clutter/clutter/clutter-private.h

@@ -170,7 +170,6 @@ struct _ClutterMainContext
 
   /* boolean flags */
   guint is_initialized          : 1;
-  guint motion_events_per_actor : 1;
   guint defer_display_setup     : 1;
   guint options_parsed          : 1;
   guint show_fps                : 1;
@@ -195,7 +194,6 @@ void                    _clutter_context_lock                           (void);
 void                    _clutter_context_unlock                         (void);
 gboolean                _clutter_context_is_initialized                 (void);
 ClutterPickMode         _clutter_context_get_pick_mode                  (void);
-gboolean                _clutter_context_get_motion_events_enabled      (void);
 gboolean                _clutter_context_get_show_fps                   (void);
 
 gboolean      _clutter_feature_init (GError **error);

clutter/clutter/clutter-stage.c

@@ -2240,14 +2240,7 @@ clutter_stage_init (ClutterStage *self)
   priv->throttle_motion_events = TRUE;
   priv->min_size_changed = FALSE;
   priv->sync_delay = -1;
-
+  priv->motion_events_enabled = TRUE;
-  /* XXX - we need to keep the invariant that calling
-   * clutter_set_motion_event_enabled() before the stage creation
-   * will cause motion event delivery to be disabled on any newly
-   * created stage. this can go away when we break API and remove
-   * deprecated functions.
-   */
-  priv->motion_events_enabled = _clutter_context_get_motion_events_enabled ();
 
   clutter_actor_set_background_color (CLUTTER_ACTOR (self),
                                       &default_stage_color);

clutter/clutter/deprecated/clutter-main.h

@@ -40,12 +40,6 @@ void                    clutter_threads_enter                   (void);
 CLUTTER_DEPRECATED
 void                    clutter_threads_leave                   (void);
 
-CLUTTER_DEPRECATED_FOR(clutter_stage_set_motion_events_enabled)
-void                    clutter_set_motion_events_enabled       (gboolean          enable);
-
-CLUTTER_DEPRECATED_FOR(clutter_stage_get_motion_events_enabled)
-gboolean                clutter_get_motion_events_enabled       (void);
-
 CLUTTER_DEPRECATED_FOR(clutter_stage_ensure_redraw)
 void                    clutter_redraw                          (ClutterStage     *stage);