C++ (Cpp) slotSetPannedRect Examples

Example #1

File: ControlRuler.cpp Project: EQ4/RosegardenW

void ControlRuler::resizeEvent(QResizeEvent *)
{
    // Note slotSetPannedRect is called (from ControlRulerWidget::slotSetPannedRect)
    //   on a resize event. However, this call is too early and width() has not been
    //   updated. This event handler patches that problem. Could be more efficient.
    slotSetPannedRect(m_pannedRect);
}

Example #2

File: Panner.cpp Project: tedfelix/rosegarden

void
Panner::moveTo(QPoint p)
{
    QPointF sp = mapToScene(p);
    QRectF nr = m_pannedRect;
    double d = sp.x() - nr.center().x();
    nr.translate(d, 0);
    slotSetPannedRect(nr);
    emit pannedRectChanged(m_pannedRect);
    viewport()->update();
}

Example #3

File: Panner.cpp Project: tedfelix/rosegarden

void
Panner::mouseMoveEvent(QMouseEvent *e)
{
    if (!m_clicked) return;
    QPointF cp = mapToScene(m_clickedPoint);
    QPointF mp = mapToScene(e->pos());
    QPointF delta = mp - cp;
    QRectF nr = m_clickedRect;
    nr.translate(delta);
    slotSetPannedRect(nr);
    emit pannedRectChanged(m_pannedRect);
    viewport()->update();
}