void TransparencyManager::setViewportSize( dp::math::Vec2ui const & size )
{
if ( m_viewportSize != size )
{
m_viewportSize = size;
viewportSizeChanged();
}
}
void Barbel::Scene::setViewportSize(QSize viewportSize)
{
if (m_viewportSize == viewportSize)
return;
m_viewportSize = viewportSize;
m_cameraAspectRatio = (float)viewportSize.width() / (float)viewportSize.height();
if (m_activeCamera != Q_NULLPTR) {
m_activeCamera->lens()->setAspectRatio(m_cameraAspectRatio);
}
emit viewportSizeChanged(viewportSize);
}
/*
* While the pannedWidget is populated, sizePosChanged() signal should be
* emitted only once for each actual change in pannedWidget's size.
*
* See NB#143428
*/
void Ut_MPannableViewport::sizePosChangedAfterPopulatingPannedWidget()
{
QGraphicsWidget *mainWidget = new QGraphicsWidget();
QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);
QGraphicsWidget *childWidget;
//Settle initial layout position
subject->adjustSize();
mainWidget->setLayout(layout);
subject->setWidget(mainWidget);
QSignalSpy spyRange(subject,
SIGNAL(rangeChanged(QRectF)));
QSignalSpy spyViewportSize(subject,
SIGNAL(viewportSizeChanged(QSizeF)));
QSignalSpy spyPosition(subject,
SIGNAL(positionChanged(QPointF)));
for (int i = 0; i < 30; i++) {
childWidget = new QGraphicsWidget;
childWidget->setMinimumSize(100, 200);
childWidget->setPreferredSize(100, 200);
layout->addItem(childWidget);
}
// Force layout to work.
subject->adjustSize();
// Check consecutive signals (if any), are different from each other.
// We don't want to send out the very same event twice.
for (int i = 1; i < spyRange.size(); i++) {
QVERIFY(spyRange.at(i) != spyRange.at(i - 1));
}
for (int i = 1; i < spyPosition.size(); i++) {
QVERIFY(spyPosition.at(i) != spyPosition.at(i - 1));
}
for (int i = 1; i < spyViewportSize.size(); i++) {
QVERIFY(spyViewportSize.at(i) != spyViewportSize.at(i - 1));
}
}
