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