void tst_QGraphicsLayout::verifyActivate()
{
QGraphicsScene scene;
QGraphicsView view(&scene);
QGraphicsWidget *window = new QGraphicsWidget();
scene.addItem(window);
TestLayout *lout = new TestLayout(window);
QGraphicsWidget *w = new QGraphicsWidget();
lout->addItem(w);
window->setLayout(lout);
QCOMPARE(lout->m_count, 0);
window->setVisible(false);
QCOMPARE(lout->m_count, 0);
window->setVisible(true);
// on polish or the first time a widget is shown, the widget is resized.
QCOMPARE(lout->m_count, 1);
}
static void clearAllCounters(TestGraphicsWidget *widget)
{
if (!widget)
return;
widget->clearCounters();
TestLayout *layout = static_cast<TestLayout *>(widget->layout());
if (layout) {
layout->clearCounters();
for (int i = layout->count() - 1; i >=0; --i) {
QGraphicsLayoutItem *item = layout->itemAt(i);
if (item->isLayout()) {
// ### Not used ATM
//TestLayout *lay = static_cast<TestLayout*>(static_cast<QGraphicsLayout*>(item));
//clearAllCounters(lay);
} else {
TestGraphicsWidget *wid = static_cast<TestGraphicsWidget *>(item);
clearAllCounters(wid);
}
}
}
}
void tst_QGraphicsLayout::sizeHintOfHiddenLayout()
{
QGraphicsScene scene;
QGraphicsWidget *window = new QGraphicsWidget(0, Qt::Window);
scene.addItem(window);
TestLayout *lout = new TestLayout(window);
lout->setContentsMargins(1,2,2,1);
QGraphicsWidget *w = new QGraphicsWidget;
w->setPreferredSize(20, 20);
w->setMaximumSize(50, 50);
lout->addItem(w);
window->setLayout(lout);
for (int pass = 0; pass < 3; ++pass) {
QCOMPARE(lout->sizeHint(Qt::MinimumSize), QSizeF(3,3));
QCOMPARE(lout->sizeHint(Qt::PreferredSize), QSizeF(23,23));
QCOMPARE(lout->sizeHint(Qt::MaximumSize), QSizeF(53,53));
window->setVisible(pass % 2);
}
}
void tst_QGraphicsLayout::invalidate()
{
QGraphicsLayout::setInstantInvalidatePropagation(true);
QGraphicsScene scene;
QGraphicsView view(&scene);
TestGraphicsWidget *a = new TestGraphicsWidget;
a->setData(0, QString("a"));
scene.addItem(a);
TestLayout *alay = new TestLayout(a);
TestGraphicsWidget *b = new TestGraphicsWidget;
b->setData(0, QString("b"));
alay->addItem(b);
TestLayout *blay = new TestLayout(b);
TestGraphicsWidget *e = new TestGraphicsWidget;
e->setData(0, QString("e"));
blay->addItem(e);
TestGraphicsWidget *c = new TestGraphicsWidget;
c->setData(0, QString("c"));
alay->addItem(c);
TestLayout *clay = new TestLayout(c);
TestGraphicsWidget *f = new TestGraphicsWidget;
f->setData(0, QString("f"));
clay->addItem(f);
TestGraphicsWidget *d = new TestGraphicsWidget;
d->setData(0, QString("d"));
alay->addItem(d);
TestLayout *dlay = new TestLayout(d);
TestGraphicsWidget *g = new TestGraphicsWidget;
g->setData(0, QString("g"));
dlay->addItem(g);
view.show();
{
clearAllCounters(a);
QCoreApplication::sendPostedEvents();
QCoreApplication::processEvents();
alay->activate();
QCOMPARE(alay->isActivated(), true);
QCOMPARE(blay->isActivated(), true);
QCOMPARE(clay->isActivated(), true);
QCOMPARE(dlay->isActivated(), true);
}
{
clearAllCounters(a);
e->callUpdateGeometry();
QCOMPARE(alay->isActivated(), false);
QCOMPARE(blay->isActivated(), false);
QCOMPARE(clay->isActivated(), true);
QCOMPARE(dlay->isActivated(), true);
QCOMPARE(a->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(b->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(c->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(d->eventCount(QEvent::LayoutRequest), 0);
// should only invalidate ascendants of e
QCOMPARE(blay->functionCount[Invalidate], 1);
QCOMPARE(alay->functionCount[Invalidate], 1);
// not siblings
QCOMPARE(clay->functionCount[Invalidate], 0);
QCOMPARE(dlay->functionCount[Invalidate], 0);
QApplication::sendPostedEvents();
QCOMPARE(a->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(b->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(c->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(d->eventCount(QEvent::LayoutRequest), 0);
}
{
activateAndReset(a);
f->callUpdateGeometry();
QCOMPARE(alay->isActivated(), false);
QCOMPARE(blay->isActivated(), true);
QCOMPARE(clay->isActivated(), false);
QCOMPARE(dlay->isActivated(), true);
QCoreApplication::sendPostedEvents();
QCOMPARE(a->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(b->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(c->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(d->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(a->functionCount[SetGeometry], 1);
QCOMPARE(alay->functionCount[SetGeometry], 1);
QCOMPARE(b->functionCount[SetGeometry], 1);
QCOMPARE(c->functionCount[SetGeometry], 1);
QCOMPARE(d->functionCount[SetGeometry], 1);
// Since nothing really changed, blay and dlay don't need
// to be resized.
QCOMPARE(blay->functionCount[SetGeometry], 0);
QCOMPARE(clay->functionCount[SetGeometry], 1);
QCOMPARE(dlay->functionCount[SetGeometry], 0);
QCOMPARE(f->functionCount[SetGeometry], 1);
QCOMPARE(a->size(), QSizeF(150, 50));
}
{
activateAndReset(a);
f->setPreferredSize(QSizeF(60,50));
QCOMPARE(alay->isActivated(), false);
QCOMPARE(blay->isActivated(), true);
QCOMPARE(clay->isActivated(), false);
QCOMPARE(dlay->isActivated(), true);
QCOMPARE(c->eventCount(QEvent::LayoutRequest), 0);
QCoreApplication::sendPostedEvents();
QCOMPARE(a->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(b->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(c->eventCount(QEvent::GraphicsSceneResize), 1);
QCOMPARE(d->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(a->functionCount[SetGeometry], 1);
QCOMPARE(alay->functionCount[SetGeometry], 1);
QCOMPARE(b->functionCount[SetGeometry], 1);
QCOMPARE(c->functionCount[SetGeometry], 1);
QCOMPARE(d->functionCount[SetGeometry], 1);
// f actually got wider, need to rearrange its siblings
QCOMPARE(blay->functionCount[SetGeometry], 1);
QCOMPARE(clay->functionCount[SetGeometry], 1);
QCOMPARE(dlay->functionCount[SetGeometry], 1);
QCOMPARE(e->functionCount[SetGeometry], 1);
QCOMPARE(f->functionCount[SetGeometry], 1);
QCOMPARE(g->functionCount[SetGeometry], 1);
QVERIFY(e->size().width() < f->size().width());
QVERIFY(g->size().width() < f->size().width());
}
{
// resize f so much that it'll force a resize of the top widget
// this will currently generate two setGeometry() calls on the child layout
// of the top widget.
activateAndReset(a);
f->setPreferredSize(QSizeF());
f->setMinimumSize(QSizeF(200,50));
QCOMPARE(alay->isActivated(), false);
QCOMPARE(blay->isActivated(), true);
QCOMPARE(clay->isActivated(), false);
QCOMPARE(dlay->isActivated(), true);
QCOMPARE(c->eventCount(QEvent::LayoutRequest), 0);
QCoreApplication::sendPostedEvents();
QCOMPARE(a->eventCount(QEvent::GraphicsSceneResize), 1);
QCOMPARE(b->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(c->eventCount(QEvent::GraphicsSceneResize), 1);
QCOMPARE(d->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(a->functionCount[SetGeometry], 1);
QCOMPARE(alay->functionCount[SetGeometry], 1);
QCOMPARE(b->functionCount[SetGeometry], 1);
QCOMPARE(c->functionCount[SetGeometry], 1);
QCOMPARE(d->functionCount[SetGeometry], 1);
// f actually got wider, need to rearrange its siblings
QCOMPARE(blay->functionCount[SetGeometry], 1);
QCOMPARE(clay->functionCount[SetGeometry], 1);
QCOMPARE(dlay->functionCount[SetGeometry], 1);
QCOMPARE(e->functionCount[SetGeometry], 1);
QCOMPARE(f->functionCount[SetGeometry], 1);
QCOMPARE(g->functionCount[SetGeometry], 1);
QVERIFY(e->size().width() < f->size().width());
QVERIFY(g->size().width() < f->size().width());
}
{
f->setPreferredSize(QSizeF());
f->setMinimumSize(QSizeF());
a->adjustSize();
activateAndReset(a);
// update two different leaf widgets,
// eventCount and functionCount should never be >= 2
e->callUpdateGeometry();
g->callUpdateGeometry();
QCOMPARE(alay->isActivated(), false);
QCOMPARE(blay->isActivated(), false);
QCOMPARE(clay->isActivated(), true);
QCOMPARE(dlay->isActivated(), false);
QCoreApplication::sendPostedEvents();
QCOMPARE(a->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(b->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(c->eventCount(QEvent::LayoutRequest), 0);
QCOMPARE(d->eventCount(QEvent::LayoutRequest), 1);
QCOMPARE(a->functionCount[SetGeometry], 1);
QCOMPARE(alay->functionCount[SetGeometry], 1);
QCOMPARE(b->functionCount[SetGeometry], 1);
QCOMPARE(c->functionCount[SetGeometry], 1);
QCOMPARE(d->functionCount[SetGeometry], 1);
// f actually got wider, need to rearrange its siblings
QCOMPARE(blay->functionCount[SetGeometry], 1);
QCOMPARE(clay->functionCount[SetGeometry], 0);
QCOMPARE(dlay->functionCount[SetGeometry], 1);
QCOMPARE(e->functionCount[SetGeometry], 1);
QCOMPARE(f->functionCount[SetGeometry], 0);
QCOMPARE(g->functionCount[SetGeometry], 1);
}
QGraphicsLayout::setInstantInvalidatePropagation(false);
}
void TestVSQt::testLayoutClicked()
{
TestLayout *t = new TestLayout(this);
t->show();
}
