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