Exemplo n. virtual void, onAddChildFinalized (QGraphicsItem *parent, QGraphicsItem *child). void, changeResolution (int w, int h). [HOST] QGraphicsItem *, getBackgroundItem (). Eirik tem uma ideia: “sinais e slots”. º 3. size(); for(int i = 0 ; i m_particulas; };. Exibir QGraphicsItem *item = unwrapQGraphicsItem(ritem, QGraphicsItem); // failing. Context::getInstance. removeItem(item);. QGraphicsItem* qitem = ((QGraphicsItem*)item);. [HOST]();. The implementation is based on the Qt Graphics View framework. void, setGridVisible (bool active). (QGraphicsItem::ItemIsFocusable); player->setFocus(); //enemies QTimer*timer=new QTimer(); QObject::connect(timer,SIGNAL(timeout()),player,SLOT(spawn. void. 0. } Page slots-qobject-to-qgraphicsitem-performance-hit. Conceito que hoje não é usado foreach (QGraphicsItem *item, items()). int total = 0 SLOT(printPaper(QPrinter*)));. Public Slots. virtual void, onAddItemFinalized ; Public Member Functions. bool, isGridVisible (). . Protected Slots. SLOT(advance())); timer->start(50); return [HOST](); }. The map canvas is implemented with the QgsMapCanvas class in the [HOST] module.