void tst_QGraphicsEffect::itemHasNoContents()
{
QGraphicsRectItem *parent = new QGraphicsRectItem;
parent->setFlag(QGraphicsItem::ItemHasNoContents);
MyGraphicsItem *child = new MyGraphicsItem;
child->setParentItem(parent);
child->resize(200, 200);
QGraphicsScene scene;
scene.addItem(parent);
QGraphicsView view(&scene);
view.show();
QTest::qWaitForWindowShown(&view);
QTRY_COMPARE(child->nbPaint, 1);
CustomEffect *effect = new CustomEffect;
parent->setGraphicsEffect(effect);
QTRY_COMPARE(effect->numRepaints, 1);
for (int i = 0; i < 3; ++i) {
effect->reset();
effect->update();
QTRY_COMPARE(effect->numRepaints, 1);
}
}
void tst_QGraphicsEffect::childrenVisibilityShouldInvalidateCache()
{
QGraphicsScene scene;
MyGraphicsItem parent;
parent.resize(200, 200);
QGraphicsWidget child(&parent);
child.resize(200, 200);
child.setVisible(false);
scene.addItem(&parent);
QGraphicsView view(&scene);
view.show();
QApplication::setActiveWindow(&view);
QTest::qWaitForWindowShown(&view);
QTRY_COMPARE(parent.nbPaint, 1);
//we set an effect on the parent
parent.setGraphicsEffect(new QGraphicsDropShadowEffect(&parent));
//flush the events
QApplication::processEvents();
//new effect applied->repaint
QCOMPARE(parent.nbPaint, 2);
child.setVisible(true);
//flush the events
QApplication::processEvents();
//a new child appears we need to redraw the effect.
QCOMPARE(parent.nbPaint, 3);
}
void tst_QGraphicsEffect::graphicsEffectUpdateShouldNotInvalidateGraphicsItemCache()
{
QGraphicsScene scene;
MyGraphicsItem parent;
parent.resize(200, 200);
parent.setCacheMode(QGraphicsItem::ItemCoordinateCache);
scene.addItem(&parent);
QGraphicsView view(&scene);
view.show();
QApplication::setActiveWindow(&view);
QTest::qWaitForWindowShown(&view);
QTRY_COMPARE(parent.nbPaint, 1);
//we set an effect on the parent
MyGraphicsEffect* opacityEffect = new MyGraphicsEffect(&parent);
opacityEffect->update();
parent.setGraphicsEffect(opacityEffect);
//flush the events
QApplication::processEvents();
//new effect applied->repaint
QCOMPARE(parent.nbPaint, 1);
opacityEffect->update();
//flush the events
QApplication::processEvents();
//A change to the effect shouldn't invalidate the graphicsitem's cache
// => it shouldn't trigger a paint
QCOMPARE(parent.nbPaint, 1);
}
void tst_QGraphicsEffect::itemHasNoContents()
{
QGraphicsRectItem *parent = new QGraphicsRectItem;
parent->setFlag(QGraphicsItem::ItemHasNoContents);
MyGraphicsItem *child = new MyGraphicsItem;
child->setParentItem(parent);
child->resize(200, 200);
QGraphicsScene scene;
scene.addItem(parent);
QGraphicsView view(&scene);
view.show();
QTest::qWaitForWindowShown(&view);
#ifdef Q_OS_MAC
if (QSysInfo::MacintoshVersion == QSysInfo::MV_LION) {
QEXPECT_FAIL("", "QTBUG-26858", Abort);
}
#endif
QTRY_COMPARE(child->nbPaint, 1);
CustomEffect *effect = new CustomEffect;
parent->setGraphicsEffect(effect);
QTRY_COMPARE(effect->numRepaints, 1);
for (int i = 0; i < 3; ++i) {
effect->reset();
effect->update();
QTRY_COMPARE(effect->numRepaints, 1);
}
}
void tst_QGraphicsEffect::childrenVisibilityShouldInvalidateCache()
{
QGraphicsScene scene;
MyGraphicsItem parent;
parent.resize(200, 200);
QGraphicsWidget child(&parent);
child.resize(200, 200);
child.setVisible(false);
scene.addItem(&parent);
QGraphicsView view(&scene);
view.show();
QApplication::setActiveWindow(&view);
QTest::qWaitForWindowShown(&view);
#ifdef Q_OS_MAC
if (QSysInfo::MacintoshVersion == QSysInfo::MV_LION) {
QEXPECT_FAIL("", "QTBUG-26858", Abort);
}
#endif
QTRY_COMPARE(parent.nbPaint, 1);
//we set an effect on the parent
parent.setGraphicsEffect(new QGraphicsDropShadowEffect(&parent));
//flush the events
QApplication::processEvents();
//new effect applied->repaint
QCOMPARE(parent.nbPaint, 2);
child.setVisible(true);
//flush the events
QApplication::processEvents();
//a new child appears we need to redraw the effect.
QCOMPARE(parent.nbPaint, 3);
}
void tst_QGraphicsEffect::graphicsEffectUpdateShouldInvalidateParentGraphicsEffect()
{
QGraphicsScene scene;
// Add the parent
MyGraphicsItem parent;
parent.resize(200, 200);
scene.addItem(&parent);
// Add a child to the parent
MyGraphicsItem child(&parent);
child.resize(100, 100);
QGraphicsView view(&scene);
view.show();
QApplication::setActiveWindow(&view);
QTest::qWaitForWindowShown(&view);
//flush the events
QApplication::processEvents();
#ifdef Q_OS_MAC
if (QSysInfo::MacintoshVersion == QSysInfo::MV_LION) {
QEXPECT_FAIL("", "QTBUG-26858", Abort);
}
#endif
QTRY_COMPARE(parent.nbPaint, 1);
QTRY_COMPARE(child.nbPaint, 1);
//we set an effect on the parent and the child
MyGraphicsEffect* effectForParent = new MyGraphicsEffect(&parent);
parent.setGraphicsEffect(effectForParent);
MyGraphicsEffect* effectForChild = new MyGraphicsEffect(&child);
child.setGraphicsEffect(effectForChild);
//flush the events
QApplication::processEvents();
// Both effects should start with no source invalidations
QCOMPARE(effectForParent->nbSourceInvalidations, 0);
QCOMPARE(effectForChild->nbSourceInvalidations, 0);
// Trigger an update of the child graphics effect
effectForChild->update();
//flush the events
QApplication::processEvents();
// An update of the effect on the child shouldn't tell that effect that its source has been invalidated
QCOMPARE(effectForChild->nbSourceInvalidations, 0);
// The effect on the parent should however be notified of an invalidated source
QCOMPARE(effectForParent->nbSourceInvalidations, 1);
}
void tst_QGraphicsEffect::prepareGeometryChangeInvalidateCache()
{
MyGraphicsItem *item = new MyGraphicsItem;
item->resize(200, 200);
QGraphicsScene scene;
scene.addItem(item);
QGraphicsView view(&scene);
if(PlatformQuirks::isAutoMaximizing())
view.showFullScreen();
else
view.show();
QTest::qWaitForWindowShown(&view);
QTRY_COMPARE(item->nbPaint, 1);
item->nbPaint = 0;
item->setGraphicsEffect(new QGraphicsDropShadowEffect);
QTRY_COMPARE(item->nbPaint, 1);
item->nbPaint = 0;
item->resize(300, 300);
QTRY_COMPARE(item->nbPaint, 1);
item->nbPaint = 0;
item->setPos(item->pos() + QPointF(10, 10));
QTest::qWait(50);
QCOMPARE(item->nbPaint, 0);
}
void tst_QGraphicsEffect::prepareGeometryChangeInvalidateCache()
{
MyGraphicsItem *item = new MyGraphicsItem;
item->resize(200, 200);
QGraphicsScene scene;
scene.addItem(item);
QGraphicsView view(&scene);
if(PlatformQuirks::isAutoMaximizing())
view.showFullScreen();
else
view.show();
QTest::qWaitForWindowShown(&view);
#ifdef Q_OS_MAC
if (QSysInfo::MacintoshVersion == QSysInfo::MV_LION) {
QEXPECT_FAIL("", "QTBUG-26858", Abort);
}
#endif
QTRY_COMPARE(item->nbPaint, 1);
item->nbPaint = 0;
item->setGraphicsEffect(new QGraphicsDropShadowEffect);
QTRY_COMPARE(item->nbPaint, 1);
item->nbPaint = 0;
item->resize(300, 300);
QTRY_COMPARE(item->nbPaint, 1);
item->nbPaint = 0;
item->setPos(item->pos() + QPointF(10, 10));
QTest::qWait(50);
QCOMPARE(item->nbPaint, 0);
}
