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