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