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