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