[mutter/wip/carlosg/sanitize-gestures: 81/92] clutter: Drop default "zoom" action in ClutterZoomAction




commit 0d55539325ead3c5cdb7fc6c1a4c90f1598282db
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Jun 18 16:45:21 2021 +0200

    clutter: Drop default "zoom" action in ClutterZoomAction
    
    Separate mechanism and effect, and let any ClutterZoomAction
    users apply any necessary transformations.

 clutter/clutter/clutter-zoom-action.c | 50 +----------------------------------
 clutter/clutter/clutter-zoom-action.h |  7 -----
 2 files changed, 1 insertion(+), 56 deletions(-)
---
diff --git a/clutter/clutter/clutter-zoom-action.c b/clutter/clutter/clutter-zoom-action.c
index c25b796889..2fa2fc3245 100644
--- a/clutter/clutter/clutter-zoom-action.c
+++ b/clutter/clutter/clutter-zoom-action.c
@@ -235,51 +235,6 @@ clutter_zoom_action_gesture_cancel (ClutterGestureAction *action,
   clutter_actor_set_scale (actor, priv->initial_scale_x, priv->initial_scale_y);
 }
 
-static gboolean
-clutter_zoom_action_real_zoom (ClutterZoomAction *action,
-                               ClutterActor      *actor,
-                               graphene_point_t  *focal_point,
-                               gdouble            factor)
-{
-  ClutterZoomActionPrivate *priv = action->priv;
-  gfloat x, y, z;
-  gdouble scale_x, scale_y;
-  graphene_point3d_t out, in;
-
-  in.x = priv->transformed_focal_point.x;
-  in.y = priv->transformed_focal_point.y;
-  in.z = 0;
-
-  clutter_actor_apply_transform_to_point (actor, &in, &out);
-
-  clutter_actor_get_scale (actor, &scale_x, &scale_y);
-
-  switch (priv->zoom_axis)
-    {
-    case CLUTTER_ZOOM_BOTH:
-      clutter_actor_set_scale (actor, factor, factor);
-      break;
-
-    case CLUTTER_ZOOM_X_AXIS:
-      clutter_actor_set_scale (actor, factor, scale_y);
-      break;
-
-    case CLUTTER_ZOOM_Y_AXIS:
-      clutter_actor_set_scale (actor, scale_x, factor);
-      break;
-
-    default:
-      break;
-    }
-
-  x = priv->initial_x + priv->focal_point.x - priv->initial_focal_point.x;
-  y = priv->initial_y + priv->focal_point.y - priv->initial_focal_point.y;
-  clutter_actor_get_translation (actor, NULL, NULL, &z);
-  clutter_actor_set_translation (actor, x, y, z);
-
-  return TRUE;
-}
-
 static void
 clutter_zoom_action_set_property (GObject      *gobject,
                                   guint         prop_id,
@@ -349,8 +304,6 @@ clutter_zoom_action_class_init (ClutterZoomActionClass *klass)
   gesture_class->gesture_progress = clutter_zoom_action_gesture_progress;
   gesture_class->gesture_cancel = clutter_zoom_action_gesture_cancel;
 
-  klass->zoom = clutter_zoom_action_real_zoom;
-
   /**
    * ClutterZoomAction:zoom-axis:
    *
@@ -395,8 +348,7 @@ clutter_zoom_action_class_init (ClutterZoomActionClass *klass)
     g_signal_new (I_("zoom"),
                   G_TYPE_FROM_CLASS (klass),
                   G_SIGNAL_RUN_LAST,
-                  G_STRUCT_OFFSET (ClutterZoomActionClass, zoom),
-                  _clutter_boolean_continue_accumulator, NULL,
+                  0, g_signal_accumulator_true_handled, NULL,
                   _clutter_marshal_BOOLEAN__OBJECT_BOXED_DOUBLE,
                   G_TYPE_BOOLEAN, 3,
                   CLUTTER_TYPE_ACTOR,
diff --git a/clutter/clutter/clutter-zoom-action.h b/clutter/clutter/clutter-zoom-action.h
index f1f7e572d9..c838156aa6 100644
--- a/clutter/clutter/clutter-zoom-action.h
+++ b/clutter/clutter/clutter-zoom-action.h
@@ -76,13 +76,6 @@ struct _ClutterZoomActionClass
   /*< private >*/
   ClutterGestureActionClass parent_class;
 
-  /*< public >*/
-  gboolean (* zoom)  (ClutterZoomAction *action,
-                      ClutterActor      *actor,
-                      graphene_point_t  *focal_point,
-                      gdouble            factor);
-
-  /*< private >*/
   void (* _clutter_zoom_action1) (void);
   void (* _clutter_zoom_action2) (void);
   void (* _clutter_zoom_action3) (void);


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