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