void tst_QGraphicsLinearLayout::heightForWidth()
{
QFETCH(bool, hfw);
QFETCH(bool, nested);
QGraphicsScene scene;
QGraphicsWidget *form = new QGraphicsWidget;
scene.addItem(form);
QGraphicsLinearLayout *outerlayout = 0;
if (nested) {
outerlayout = new QGraphicsLinearLayout(form);
for (int i = 0; i < 8; i++) {
QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);
outerlayout->addItem(layout);
outerlayout = layout;
}
}
QGraphicsLinearLayout *qlayout = 0;
qlayout = new QGraphicsLinearLayout(Qt::Vertical);
if (nested)
outerlayout->addItem(qlayout);
else
form->setLayout(qlayout);
MySquareWidget *widget = new MySquareWidget;
for (int i = 0; i < 1; i++) {
widget = new MySquareWidget;
QSizePolicy sizepolicy = widget->sizePolicy();
sizepolicy.setHeightForWidth(hfw);
widget->setSizePolicy(sizepolicy);
qlayout->addItem(widget);
}
// make sure only one iteration is done.
// run with tst_QGraphicsLinearLayout.exe "heightForWidth" -tickcounter -iterations 6
// this will iterate 6 times the whole test, (not only the benchmark)
// which should reduce warmup time and give a realistic picture of the performance of
// effectiveSizeHint()
QSizeF constraint(hfw ? 100 : -1, -1);
QBENCHMARK {
(void)form->effectiveSizeHint(Qt::PreferredSize, constraint);
}
}
void Pt_MLayout::heightForWidthPerformance()
{
QFETCH(bool, qtOnly);
QFETCH(bool, hfw);
QFETCH(bool, nested);
QGraphicsLinearLayout *outerlayout = NULL;
if(nested) {
outerlayout = new QGraphicsLinearLayout(m_form);
for(int i = 0; i < 5; i++) {
QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);
outerlayout->addItem(layout);
outerlayout = layout;
}
}
QGraphicsLinearLayout *qlayout = NULL;
MLayout *layout = NULL;
MLinearLayoutPolicy *policy = NULL;
if(qtOnly) {
qlayout = new QGraphicsLinearLayout(Qt::Vertical);
if (nested)
outerlayout->addItem(qlayout);
else
m_form->setLayout(qlayout);
} else {
layout = new MLayout;
policy = new MLinearLayoutPolicy(layout, Qt::Vertical);
if (nested)
outerlayout->addItem(layout);
else
m_form->setLayout(layout);
}
for(int i = 0; i < 1; i++) {
MySquareWidget *widget = new MySquareWidget;
QSizePolicy sizepolicy = widget->sizePolicy();
sizepolicy.setHeightForWidth(hfw);
widget->setSizePolicy(sizepolicy);
if (qtOnly)
qlayout->addItem(widget);
else
policy->addItem(widget);
}
while (MTheme::hasPendingRequests()) {
usleep(10);
QCoreApplication::processEvents();
}
QBENCHMARK {
if (qtOnly) {
qlayout->invalidate();
QCoreApplication::processEvents();
(void)qlayout->preferredSize();
} else {
layout->invalidate();
QCoreApplication::processEvents();
(void)layout->preferredSize();
}
}
}
