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