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https://github.com/brl/mutter.git
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bind-constraint: Add accessor methods
ClutterBindConstraint should have accessor methods for its properties, to allow direct manipulation instead of going through GObject's API.
This commit is contained in:
Emmanuele Bassi
parent
52d2e7d25d
commit
77c63e0237
@ -84,6 +84,9 @@ update_actor_position (ClutterBindConstraint *bind)
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ClutterVertex source_position;
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ClutterActor *actor;
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if (bind->source == NULL)
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return;
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if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (bind)))
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return;
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@ -131,63 +134,6 @@ source_destroyed (ClutterActor *actor,
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bind->source = NULL;
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}
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static void
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_clutter_bind_constraint_set_source (ClutterBindConstraint *bind,
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ClutterActor *source)
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{
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ClutterActor *old_source = bind->source;
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if (old_source != NULL)
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{
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g_signal_handlers_disconnect_by_func (old_source,
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G_CALLBACK (source_destroyed),
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bind);
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g_signal_handlers_disconnect_by_func (old_source,
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G_CALLBACK (source_position_changed),
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bind);
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}
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bind->source = source;
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g_signal_connect (bind->source, "notify",
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G_CALLBACK (source_position_changed),
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bind);
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g_signal_connect (bind->source, "destroy",
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G_CALLBACK (source_destroyed),
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bind);
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update_actor_position (bind);
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g_object_notify (G_OBJECT (bind), "source");
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}
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static void
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_clutter_bind_constraint_set_coordinate (ClutterBindConstraint *bind,
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ClutterBindCoordinate coord)
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{
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if (bind->coordinate == coord)
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return;
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bind->coordinate = coord;
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update_actor_position (bind);
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g_object_notify (G_OBJECT (bind), "coordinate");
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}
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static void
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_clutter_bind_constraint_set_offset (ClutterBindConstraint *bind,
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gfloat offset)
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{
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if (fabs (bind->offset - offset) < 0.00001f)
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return;
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bind->offset = offset;
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update_actor_position (bind);
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g_object_notify (G_OBJECT (bind), "offset");
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}
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static void
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clutter_bind_constraint_set_property (GObject *gobject,
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guint prop_id,
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@ -199,15 +145,15 @@ clutter_bind_constraint_set_property (GObject *gobject,
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switch (prop_id)
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{
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case PROP_SOURCE:
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_clutter_bind_constraint_set_source (bind, g_value_get_object (value));
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clutter_bind_constraint_set_source (bind, g_value_get_object (value));
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break;
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case PROP_COORDINATE:
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_clutter_bind_constraint_set_coordinate (bind, g_value_get_enum (value));
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clutter_bind_constraint_set_coordinate (bind, g_value_get_enum (value));
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break;
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case PROP_OFFSET:
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_clutter_bind_constraint_set_offset (bind, g_value_get_float (value));
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clutter_bind_constraint_set_offset (bind, g_value_get_float (value));
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break;
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default:
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@ -335,3 +281,150 @@ clutter_bind_constraint_new (ClutterActor *source,
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"offset", offset,
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NULL);
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}
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/**
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* clutter_bind_constraint_set_source:
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* @constraint: a #ClutterBindConstraint
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* @source: a #ClutterActor
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*
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* Sets the source #ClutterActor for the constraint
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*
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* Since: 1.4
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*/
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void
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clutter_bind_constraint_set_source (ClutterBindConstraint *constraint,
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ClutterActor *source)
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{
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ClutterActor *old_source;
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g_return_if_fail (CLUTTER_IS_BIND_CONSTRAINT (constraint));
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g_return_if_fail (CLUTTER_IS_ACTOR (source));
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old_source = constraint->source;
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if (old_source != NULL)
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{
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g_signal_handlers_disconnect_by_func (old_source,
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G_CALLBACK (source_destroyed),
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constraint);
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g_signal_handlers_disconnect_by_func (old_source,
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G_CALLBACK (source_position_changed),
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constraint);
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}
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constraint->source = source;
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g_signal_connect (constraint->source, "notify",
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G_CALLBACK (source_position_changed),
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constraint);
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g_signal_connect (constraint->source, "destroy",
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G_CALLBACK (source_destroyed),
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constraint);
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update_actor_position (constraint);
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g_object_notify (G_OBJECT (constraint), "source");
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}
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/**
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* clutter_bind_constraint_get_source:
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* @constraint: a #ClutterBindConstraint
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*
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* Retrieves the #ClutterActor set using clutter_bind_constraint_set_source()
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*
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* Return value: (transfer none): a pointer to the source actor
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*
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* Since: 1.4
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*/
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ClutterActor *
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clutter_bind_constraint_get_source (ClutterBindConstraint *constraint)
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{
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g_return_val_if_fail (CLUTTER_IS_BIND_CONSTRAINT (constraint), NULL);
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return constraint->source;
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}
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/**
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* clutter_bind_constraint_set_coordinate:
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* @constraint: a #ClutterBindConstraint
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* @coordinate: the coordinate to bind
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*
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* Sets the coordinate to bind in the constraint
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*
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* Since: 1.4
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*/
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void
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clutter_bind_constraint_set_coordinate (ClutterBindConstraint *constraint,
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ClutterBindCoordinate coordinate)
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{
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g_return_if_fail (CLUTTER_IS_BIND_CONSTRAINT (constraint));
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if (constraint->coordinate == coordinate)
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return;
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constraint->coordinate = coordinate;
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update_actor_position (constraint);
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g_object_notify (G_OBJECT (constraint), "coordinate");
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}
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/**
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* clutter_bind_constraint_get_coordinate:
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* @constraint: a #ClutterBindConstraint
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*
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* Retrieves the bound coordinate of the constraint
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*
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* Return value: the bound coordinate
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*
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* Since: 1.4
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*/
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ClutterBindCoordinate
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clutter_bind_constraint_get_coordinate (ClutterBindConstraint *constraint)
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{
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g_return_val_if_fail (CLUTTER_IS_BIND_CONSTRAINT (constraint),
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CLUTTER_BIND_X);
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return constraint->coordinate;
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}
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/**
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* clutter_bind_constraint_set_offset:
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* @constraint: a #ClutterBindConstraint
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* @offset: the offset to apply, in pixels
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*
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* Sets the offset to be applied to the constraint
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*
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* Since: 1.4
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*/
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void
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clutter_bind_constraint_set_offset (ClutterBindConstraint *constraint,
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gfloat offset)
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{
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g_return_if_fail (CLUTTER_IS_BIND_CONSTRAINT (constraint));
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if (fabs (constraint->offset - offset) < 0.00001f)
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return;
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constraint->offset = offset;
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update_actor_position (constraint);
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g_object_notify (G_OBJECT (constraint), "offset");
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}
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/**
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* clutter_bind_constraint_get_offset:
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* @constraint: a #ClutterBindConstraint
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*
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* Retrieves the offset set using clutter_bind_constraint_set_offset()
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*
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* Return value: the offset, in pixels
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*
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* Since: 1.4
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*/
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gfloat
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clutter_bind_constraint_get_offset (ClutterBindConstraint *bind)
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{
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g_return_val_if_fail (CLUTTER_IS_BIND_CONSTRAINT (bind), 0.0);
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return bind->offset;
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}
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@ -65,9 +65,19 @@ typedef enum { /*< prefix=CLUTTER_BIND >*/
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GType clutter_bind_constraint_get_type (void) G_GNUC_CONST;
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ClutterConstraint *clutter_bind_constraint_new (ClutterActor *source,
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ClutterBindCoordinate coordinate,
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gfloat offset);
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ClutterConstraint * clutter_bind_constraint_new (ClutterActor *source,
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ClutterBindCoordinate coordinate,
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gfloat offset);
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void clutter_bind_constraint_set_source (ClutterBindConstraint *constraint,
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ClutterActor *actor);
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ClutterActor * clutter_bind_constraint_get_source (ClutterBindConstraint *constraint);
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void clutter_bind_constraint_set_coordinate (ClutterBindConstraint *constraint,
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ClutterBindCoordinate coordinate);
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ClutterBindCoordinate clutter_bind_constraint_get_coordinate (ClutterBindConstraint *constraint);
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void clutter_bind_constraint_set_offset (ClutterBindConstraint *constraint,
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gfloat offset);
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gfloat clutter_bind_constraint_get_offset (ClutterBindConstraint *constraint);
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G_END_DECLS
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@ -2215,6 +2215,12 @@ ClutterDragActionPrivate
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ClutterBindConstraint
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ClutterBindCoordinate
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clutter_bind_constraint_new
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clutter_bind_constraint_set_source
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clutter_bind_constraint_get_source
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clutter_bind_constraint_set_coordinate
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clutter_bind_constraint_get_coordinate
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clutter_bind_constraint_set_offset
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clutter_bind_constraint_get_offset
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<SUBSECTION Standard>
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CLUTTER_TYPE_BIND_CONSTRAINT
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