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