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