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