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