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