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