void clear() { mark_undoables(0); _undoStack.clear(); _redoStack.clear(); trackersClear(); // greebo: This is called on map shutdown, so don't clear the observers, // there are some "persistent" observers like EntityInspector and ShaderClipboard }
void clear(){ mark_undoables( 0 ); m_undo_stack.clear(); m_redo_stack.clear(); trackersClear(); }