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