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