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