RutClosure *
rut_sizable_add_preferred_size_callback (RutObject *object,
RutSizablePreferredSizeCallback cb,
void *user_data,
RutClosureDestroyCallback destroy_cb)
{
RutSizableVTable *sizable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_SIZABLE);
/* If the object has no implementation for the needs layout callback
* then we'll assume its preferred size never changes. We'll return
* a dummy closure object that will never be invoked so that the
* rest of the code doesn't need to handle this specially */
if (sizable->add_preferred_size_callback == NULL)
{
RutList dummy_list;
RutClosure *closure;
rut_list_init (&dummy_list);
closure = rut_closure_list_add (&dummy_list,
cb,
user_data,
destroy_cb);
rut_list_init (&closure->list_node);
return closure;
}
else
return sizable->add_preferred_size_callback (object,
cb,
user_data,
destroy_cb);
}
RutClosure *
rig_transition_add_operation_callback (RigTransition *transition,
RigTransitionOperationCallback callback,
void *user_data,
RutClosureDestroyCallback destroy_cb)
{
return rut_closure_list_add (&transition->operation_cb_list,
callback,
user_data,
destroy_cb);
}
RutClosure *
rig_selection_tool_add_event_callback (RigSelectionTool *tool,
RigSelectionToolEventCallback callback,
void *user_data,
RutClosureDestroyCallback destroy_cb)
{
return rut_closure_list_add (&tool->selection_event_cb_list,
callback,
user_data,
destroy_cb);
}
RutClosure *
rut_shape_add_reshaped_callback (RutShape *shape,
RutShapeReShapedCallback callback,
void *user_data,
RutClosureDestroyCallback destroy_cb)
{
g_return_val_if_fail (callback != NULL, NULL);
return rut_closure_list_add (&shape->reshaped_cb_list,
callback,
user_data,
destroy_cb);
}
RutClosure *
rut_pointalism_grid_add_update_callback (RutPointalismGrid *grid,
RutPointalismGridUpdateCallback callback,
void *user_data,
RutClosureDestroyCallback destroy_cb)
{
g_return_val_if_fail (callback != NULL, NULL);
return rut_closure_list_add (&grid->updated_cb_list,
callback,
user_data,
destroy_cb);
}
RutClosure *
rut_icon_button_add_on_click_callback (RutIconButton *button,
RutIconButtonClickCallback callback,
void *user_data,
RutClosureDestroyCallback destroy_cb)
{
g_return_val_if_fail (callback != NULL, NULL);
return rut_closure_list_add (&button->on_click_cb_list,
callback,
user_data,
destroy_cb);
}
static RutClosure *
rut_bin_add_preferred_size_callback (void *object,
RutSizablePreferredSizeCallback cb,
void *user_data,
RutClosureDestroyCallback destroy)
{
RutBin *bin = object;
return rut_closure_list_add (&bin->preferred_size_cb_list,
cb,
user_data,
destroy);
}
