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