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