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