C++ (Cpp) QGraphicsView::horizontalScrollBar Exemples

Exemple #1

Fichier : PageClientQt.cpp Projet : Akheon23/chromecast-mirrored-source.vendor

QRectF PageClientQGraphicsWidget::graphicsItemVisibleRect() const
{
    if (!view->scene())
        return QRectF();

    QList<QGraphicsView*> views = view->scene()->views();
    if (views.isEmpty())
        return QRectF();

    QGraphicsView* graphicsView = views.at(0);
    int xOffset = graphicsView->horizontalScrollBar()->value();
    int yOffset = graphicsView->verticalScrollBar()->value();
    return view->mapRectFromScene(QRectF(QPointF(xOffset, yOffset), graphicsView->viewport()->size()));
}

Exemple #2

Fichier : qgraphicswkview.cpp Projet : achellies/WinCEWebKit

QRectF QGraphicsWKView::visibleRect() const
{
    if (!scene())
        return QRectF();

    QList<QGraphicsView*> views = scene()->views();
    if (views.isEmpty())
        return QRectF();

    QGraphicsView* graphicsView = views.at(0);
    int xOffset = graphicsView->horizontalScrollBar()->value();
    int yOffset = graphicsView->verticalScrollBar()->value();
    return mapRectFromScene(QRectF(QPointF(xOffset, yOffset), graphicsView->viewport()->size()));
}