Method selectAll

src/gui/map/map_editor.cpp:3033–3047

}

void MapEditorController::selectAll()
{
	auto num_selected_objects = map->getNumSelectedObjects();
	map->clearObjectSelection(false);
	map->getCurrentPart()->applyOnAllObjects([this](Object* object) {
		map->addObjectToSelection(object, false);
	});
	
	if (map->getNumSelectedObjects() != num_selected_objects)
	{
		map->emitSelectionChanged();
		if (current_tool && current_tool->isDrawTool())
			setEditTool();
	}
}

void MapEditorController::selectNothing()
{