/*!
* \brief Find objects entirely containing a rectangle.
* @param layer The layer to search for objects in.
* @param rect The rectangle that the objects should surround.
* @return A list containing the objects that entirely contain the
* rectangle. The list should be freed by the caller.
* \memberof _Layer
*/
GList *
layer_find_objects_containing_rectangle(Layer *layer, Rectangle *rect)
{
GList *list;
GList *selected_list;
DiaObject *obj;
g_return_val_if_fail (layer != NULL, NULL);
selected_list = NULL;
list = layer->objects;
while (list != NULL) {
obj = (DiaObject *)list->data;
if (rectangle_in_rectangle(&obj->bounding_box, rect)) {
if (dia_object_is_selectable(obj)) {
selected_list = g_list_prepend(selected_list, obj);
}
}
list = g_list_next(list);
}
return selected_list;
}
/*!
* \brief Find the objects that intersect a given rectangle.
* @param layer The layer to search in.
* @param rect The rectangle to intersect with.
* @return List of objects whose bounding box intersect the rectangle. The
* list should be freed by the caller.
* \memberof _Layer
*/
GList *
layer_find_objects_intersecting_rectangle(Layer *layer, Rectangle *rect)
{
GList *list;
GList *selected_list;
DiaObject *obj;
selected_list = NULL;
list = layer->objects;
while (list != NULL) {
obj = (DiaObject *)list->data;
if (rectangle_intersects(rect, &obj->bounding_box)) {
if (dia_object_is_selectable(obj)) {
selected_list = g_list_prepend(selected_list, obj);
}
/* Objects in closed groups do not get selected, but their parents do.
* Since the parents bbox is outside the objects, they will be found
* anyway and the inner object can just be skipped. */
}
list = g_list_next(list);
}
return selected_list;
}
/** Make a single object selected.
* Note that an object inside a closed group cannot be made selected, nor
* can an object in a non-active layer.
* @param diagram The diagram that the object belongs to (sorta redundant now)
* @param obj The object that should be made selected.
*/
void
diagram_select(Diagram *diagram, DiaObject *obj)
{
if (dia_object_is_selectable(obj)) {
data_select(diagram->data, obj);
obj->ops->selectf(obj, NULL, NULL);
object_add_updates(obj, diagram);
}
}
