Пример #1
0
void KdeObservatory::switchViews(int delta)
{
    if (m_views.count() > 0 && m_transitionTimer->state() == QTimeLine::NotRunning)
    {
        int previousView = m_currentView;
        int newView = m_currentView + delta;
        m_currentView = (newView >= 0) ? (newView % m_views.count()):(m_views.count() + newView);

        QGraphicsWidget *previousViewWidget = m_views.at(previousView);
        QGraphicsWidget *currentViewWidget = m_views.at(m_currentView);
        currentViewWidget->setPos(currentViewWidget->geometry().width(), 0);
        currentViewWidget->show();

        m_transitionTimer->setFrameRange(0, 1);
        m_transitionTimer->setCurveShape(QTimeLine::EaseOutCurve);

        m_animationPrevious = new QGraphicsItemAnimation(this);
        m_animationPrevious->setItem(previousViewWidget);
        m_animationPrevious->setTimeLine(m_transitionTimer);
        m_animationPrevious->setPosAt(0, QPointF(0, 0));
        m_animationPrevious->setPosAt(1, -delta*QPointF(previousViewWidget->geometry().width(), 0));

        m_animationNew = new QGraphicsItemAnimation(this);
        m_animationNew->setItem(currentViewWidget);
        m_animationNew->setTimeLine(m_transitionTimer);
        m_animationNew->setPosAt(0, delta*QPointF(currentViewWidget->geometry().width(), 0));
        m_animationNew->setPosAt(1, QPointF(0, 0));

        m_transitionTimer->start();
    }
}
void graphics_maze_scene_private::fit_into_view()
{
	//Log4Qt::Logger::logger("Process")->info("Maze drawned. Fitting into view.");
	QList<QGraphicsView*> lViews = public_->views ();
	QRectF rectF = main_item->geometry ();
	lViews.first ()->fitInView (rectF, Qt::KeepAspectRatio);
}
Пример #3
0
void tst_QGraphicsLayout::invalidateAndMove()
{
    // Check that if we set the position of an item and invalidate its layout at the same
    // time, the widget keeps its correct size
    QFETCH(bool, instantInvalidatePropagation);
    QGraphicsLayout::setInstantInvalidatePropagation(instantInvalidatePropagation);
    QGraphicsScene scene;

    QGraphicsWidget *widget = new QGraphicsWidget;
    new QGraphicsLinearLayout(widget);

    widget->setMinimumSize(1,1);
    widget->setPreferredSize(34,34);
    widget->setMaximumSize(100,100);
    widget->resize(widget->preferredSize());

    scene.addItem(widget);

    qApp->processEvents();

    /* Invalidate and reactivate.  The size should not have changed */
    widget->layout()->invalidate();
    widget->layout()->activate();

    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());
    qApp->processEvents();
    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());

    widget->layout()->invalidate();
    widget->setX(1);  //Change just the position using setX
    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());
    qApp->processEvents();
    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());

    widget->layout()->invalidate();
    widget->setGeometry(1,1,34,34);  //Change just the position using setGeometry
    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());
    qApp->processEvents();
    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());

    widget->layout()->invalidate();
    widget->setGeometry(1,1,60,60);  //Change just the size using setGeometry
    QCOMPARE(widget->geometry().size(), QSizeF(60,60));
    QCOMPARE(widget->layout()->geometry().size(), QSizeF(60,60));
    qApp->processEvents();
    QCOMPARE(widget->geometry().size(), QSizeF(60,60));
    QCOMPARE(widget->layout()->geometry().size(), QSizeF(60,60));

    widget->layout()->invalidate();
    widget->setGeometry(0,0,34,34); //Change the size and position using setGeometry
    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());
    qApp->processEvents();
    QCOMPARE(widget->geometry().size(), widget->preferredSize());
    QCOMPARE(widget->layout()->geometry().size(), widget->preferredSize());

    QGraphicsLayout::setInstantInvalidatePropagation(false);
}
Пример #4
0
SEXP qt_qgeometry_QGraphicsWidget(SEXP rself) {
  QGraphicsWidget *widget = unwrapQObject(rself, QGraphicsWidget);
  return asRRectF(widget->geometry());
}