qt5base-lts/tests/auto/widgets/util/qscroller/tst_qscroller.cpp
Lars Knoll 6ae7a02104 Remove most compiler warnings about missing overrides
Remove around 1000 compiler warnings about missing overrides
in our auto tests.

This significantly reduce the compiler warning noise in our auto
tests, so that one can actually better see the real problems
inbetween.

Change-Id: Id0c04dba43fcaf55d8cd2b5c6697358857c31bf9
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2020-09-11 00:20:47 +02:00

546 lines
21 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#include <QtGui>
#include <QtWidgets>
#include <QtTest>
#include <QtGui/private/qevent_p.h>
#include <qpa/qwindowsysteminterface.h>
// #include <QDebug>
class tst_QScrollerWidget : public QWidget
{
public:
tst_QScrollerWidget()
: QWidget()
{
reset();
}
void reset()
{
receivedPrepare = false;
receivedScroll = false;
receivedFirst = false;
receivedLast = false;
receivedOvershoot = false;
}
bool event(QEvent *e) override
{
switch (e->type()) {
case QEvent::Gesture:
e->setAccepted(false); // better reject the event or QGestureManager will make trouble
return false;
case QEvent::ScrollPrepare:
{
receivedPrepare = true;
QScrollPrepareEvent *se = static_cast<QScrollPrepareEvent *>(e);
se->setViewportSize(QSizeF(100,100));
se->setContentPosRange(scrollArea);
se->setContentPos(scrollPosition);
se->accept();
return true;
}
case QEvent::Scroll:
{
receivedScroll = true;
QScrollEvent *se = static_cast<QScrollEvent *>(e);
// qDebug() << "Scroll for"<<this<<"pos"<<se->scrollPos()<<"ov"<<se->overshoot()<<"first"<<se->isFirst()<<"last"<<se->isLast();
if (se->scrollState() == QScrollEvent::ScrollStarted)
receivedFirst = true;
if (se->scrollState() == QScrollEvent::ScrollFinished)
receivedLast = true;
currentPos = se->contentPos();
overshoot = se->overshootDistance();
if (!qFuzzyCompare(overshoot.x() + 1.0, 1.0) ||
!qFuzzyCompare(overshoot.y() + 1.0, 1.0))
receivedOvershoot = true;
return true;
}
default:
return QObject::event(e);
}
}
QRectF scrollArea;
QPointF scrollPosition;
bool receivedPrepare;
bool receivedScroll;
bool receivedFirst;
bool receivedLast;
bool receivedOvershoot;
QPointF currentPos;
QPointF overshoot;
};
class tst_QScroller : public QObject
{
Q_OBJECT
public:
tst_QScroller() { }
~tst_QScroller() { }
private:
void kineticScroll(tst_QScrollerWidget *sw, QPointF from, QPoint touchStart, QPoint touchUpdate, QPoint touchEnd);
void kineticScrollNoTest(tst_QScrollerWidget *sw, QPointF from, QPoint touchStart, QPoint touchUpdate, QPoint touchEnd);
private slots:
void staticScrollers();
void scrollerProperties();
void scrollTo();
void scroll();
void overshoot();
void multipleWindows();
private:
QPointingDevice *m_touchScreen = QTest::createTouchDevice();
};
/*! \internal
Generates touchBegin, touchUpdate and touchEnd events to trigger scrolling.
Tests some in between states but does not wait until scrolling is finished.
*/
void tst_QScroller::kineticScroll(tst_QScrollerWidget *sw, QPointF from, QPoint touchStart, QPoint touchUpdate, QPoint touchEnd)
{
sw->scrollPosition = from;
sw->currentPos= from;
QScroller *s1 = QScroller::scroller(sw);
QCOMPARE(s1->state(), QScroller::Inactive);
QScrollerProperties sp1 = QScroller::scroller(sw)->scrollerProperties();
// send the touch begin event
QMutableEventPoint touchPoint(0);
touchPoint.setState(QEventPoint::State::Pressed);
touchPoint.setPosition(touchStart);
touchPoint.setScenePosition(touchStart);
touchPoint.setGlobalPosition(touchStart);
QTouchEvent touchEvent1(QEvent::TouchBegin,
m_touchScreen,
Qt::NoModifier,
(QList<QTouchEvent::TouchPoint>() << touchPoint));
QApplication::sendEvent(sw, &touchEvent1);
QCOMPARE(s1->state(), QScroller::Pressed);
// send the touch update far enough to trigger a scroll
QTest::qWait(200); // we need to wait a little or else the speed would be infinite. now we have around 500 pixel per second.
touchPoint.setPosition(touchUpdate);
touchPoint.setScenePosition(touchUpdate);
touchPoint.setGlobalPosition(touchUpdate);
touchPoint.setState(QEventPoint::State::Updated);
QTouchEvent touchEvent2(QEvent::TouchUpdate,
m_touchScreen,
Qt::NoModifier,
(QList<QEventPoint>() << touchPoint));
QApplication::sendEvent(sw, &touchEvent2);
QCOMPARE(s1->state(), QScroller::Dragging);
QCOMPARE(sw->receivedPrepare, true);
QTRY_COMPARE(sw->receivedFirst, true);
QCOMPARE(sw->receivedScroll, true);
QCOMPARE(sw->receivedOvershoot, false);
// note that the scrolling goes in a different direction than the mouse move
QPoint calculatedPos = from.toPoint() - touchUpdate - touchStart;
QVERIFY(qAbs(sw->currentPos.x() - calculatedPos.x()) < 1.0);
QVERIFY(qAbs(sw->currentPos.y() - calculatedPos.y()) < 1.0);
// send the touch end
touchPoint.setPosition(touchEnd);
touchPoint.setScenePosition(touchEnd);
touchPoint.setGlobalPosition(touchEnd);
touchPoint.setState(QEventPoint::State::Released);
QTouchEvent touchEvent5(QEvent::TouchEnd,
m_touchScreen,
Qt::NoModifier,
(QList<QEventPoint>() << touchPoint));
QApplication::sendEvent(sw, &touchEvent5);
}
/*! \internal
Generates touchBegin, touchUpdate and touchEnd events to trigger scrolling.
This function does not have any in between tests, it does not expect the scroller to actually scroll.
*/
void tst_QScroller::kineticScrollNoTest(tst_QScrollerWidget *sw, QPointF from, QPoint touchStart, QPoint touchUpdate, QPoint touchEnd)
{
sw->scrollPosition = from;
sw->currentPos = from;
QScroller *s1 = QScroller::scroller(sw);
QCOMPARE(s1->state(), QScroller::Inactive);
QScrollerProperties sp1 = s1->scrollerProperties();
int fps = 60;
// send the touch begin event
QMutableEventPoint touchPoint(0);
touchPoint.setState(QEventPoint::State::Pressed);
touchPoint.setPosition(touchStart);
touchPoint.setScenePosition(touchStart);
touchPoint.setGlobalPosition(touchStart);
QTouchEvent touchEvent1(QEvent::TouchBegin,
m_touchScreen,
Qt::NoModifier,
(QList<QEventPoint>() << touchPoint));
QApplication::sendEvent(sw, &touchEvent1);
// send the touch update far enough to trigger a scroll
QTest::qWait(200); // we need to wait a little or else the speed would be infinite. now we have around 500 pixel per second.
touchPoint.setState(QEventPoint::State::Updated);
touchPoint.setPosition(touchUpdate);
touchPoint.setScenePosition(touchUpdate);
touchPoint.setGlobalPosition(touchUpdate);
QTouchEvent touchEvent2(QEvent::TouchUpdate,
m_touchScreen,
Qt::NoModifier,
(QList<QEventPoint>() << touchPoint));
QApplication::sendEvent(sw, &touchEvent2);
QTest::qWait(1000 / fps * 2); // wait until the first scroll move
// send the touch end
touchPoint.setState(QEventPoint::State::Released);
touchPoint.setPosition(touchEnd);
touchPoint.setScenePosition(touchEnd);
touchPoint.setGlobalPosition(touchEnd);
QTouchEvent touchEvent5(QEvent::TouchEnd,
m_touchScreen,
Qt::NoModifier,
(QList<QEventPoint>() << touchPoint));
QApplication::sendEvent(sw, &touchEvent5);
}
void tst_QScroller::staticScrollers()
{
// scrollers
{
QObject *o1 = new QObject(this);
QObject *o2 = new QObject(this);
// get scroller for object
QScroller *s1 = QScroller::scroller(o1);
QScroller *s2 = QScroller::scroller(o2);
QVERIFY(s1);
QVERIFY(s2);
QVERIFY(s1 != s2);
QVERIFY(!QScroller::scroller(static_cast<const QObject*>(0)));
QCOMPARE(QScroller::scroller(o1), s1);
delete o1;
delete o2;
}
// the same for properties
{
QObject *o1 = new QObject(this);
QObject *o2 = new QObject(this);
// get scroller for object
QScrollerProperties sp1 = QScroller::scroller(o1)->scrollerProperties();
QScrollerProperties sp2 = QScroller::scroller(o2)->scrollerProperties();
// default properties should be the same
QCOMPARE(sp1, sp2);
QCOMPARE(QScroller::scroller(o1)->scrollerProperties(), sp1);
delete o1;
delete o2;
}
}
void tst_QScroller::scrollerProperties()
{
QObject *o1 = new QObject(this);
QScrollerProperties sp1 = QScroller::scroller(o1)->scrollerProperties();
QScrollerProperties::ScrollMetric metrics[] =
{
QScrollerProperties::MousePressEventDelay, // qreal [s]
QScrollerProperties::DragStartDistance, // qreal [m]
QScrollerProperties::DragVelocitySmoothingFactor, // qreal [0..1/s] (complex calculation involving time) v = v_new* DASF + v_old * (1-DASF)
QScrollerProperties::AxisLockThreshold, // qreal [0..1] atan(|min(dx,dy)|/|max(dx,dy)|)
QScrollerProperties::DecelerationFactor, // slope of the curve
QScrollerProperties::MinimumVelocity, // qreal [m/s]
QScrollerProperties::MaximumVelocity, // qreal [m/s]
QScrollerProperties::MaximumClickThroughVelocity, // qreal [m/s]
QScrollerProperties::AcceleratingFlickMaximumTime, // qreal [s]
QScrollerProperties::AcceleratingFlickSpeedupFactor, // qreal [1..]
QScrollerProperties::SnapPositionRatio, // qreal [0..1]
QScrollerProperties::SnapTime, // qreal [s]
QScrollerProperties::OvershootDragResistanceFactor, // qreal [0..1]
QScrollerProperties::OvershootDragDistanceFactor, // qreal [0..1]
QScrollerProperties::OvershootScrollDistanceFactor, // qreal [0..1]
QScrollerProperties::OvershootScrollTime, // qreal [s]
};
for (unsigned int i = 0; i < sizeof(metrics) / sizeof(metrics[0]); i++) {
sp1.setScrollMetric(metrics[i], 0.9);
QCOMPARE(sp1.scrollMetric(metrics[i]).toDouble(), 0.9);
}
sp1.setScrollMetric(QScrollerProperties::ScrollingCurve, QEasingCurve(QEasingCurve::OutQuart));
QCOMPARE(sp1.scrollMetric(QScrollerProperties::ScrollingCurve).toEasingCurve().type(), QEasingCurve::OutQuart);
sp1.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue(QScrollerProperties::OvershootAlwaysOff));
QCOMPARE(sp1.scrollMetric(QScrollerProperties::HorizontalOvershootPolicy).value<QScrollerProperties::OvershootPolicy>(), QScrollerProperties::OvershootAlwaysOff);
sp1.setScrollMetric(QScrollerProperties::VerticalOvershootPolicy, QVariant::fromValue(QScrollerProperties::OvershootAlwaysOn));
QCOMPARE(sp1.scrollMetric(QScrollerProperties::VerticalOvershootPolicy).value<QScrollerProperties::OvershootPolicy>(), QScrollerProperties::OvershootAlwaysOn);
sp1.setScrollMetric(QScrollerProperties::FrameRate, QVariant::fromValue(QScrollerProperties::Fps20));
QCOMPARE(sp1.scrollMetric(QScrollerProperties::FrameRate).value<QScrollerProperties::FrameRates>(), QScrollerProperties::Fps20);
}
void tst_QScroller::scrollTo()
{
QScopedPointer<tst_QScrollerWidget> sw(new tst_QScrollerWidget);
sw->show();
QApplication::setActiveWindow(sw.data());
if (!QTest::qWaitForWindowExposed(sw.data()) || !QTest::qWaitForWindowActive(sw.data()))
QSKIP("Failed to show and activate window");
sw->scrollArea = QRectF(0, 0, 1000, 1000);
sw->scrollPosition = QPointF(500, 500);
QScroller *s1 = QScroller::scroller(sw.data());
QCOMPARE(s1->state(), QScroller::Inactive);
// a normal scroll
s1->scrollTo(QPointF(100,100), 100);
QTest::qWait(200);
QTRY_COMPARE(sw->receivedPrepare, true);
QCOMPARE(sw->receivedScroll, true);
QCOMPARE(sw->receivedFirst, true);
QCOMPARE(sw->receivedLast, true);
QCOMPARE(sw->receivedOvershoot, false);
QTRY_VERIFY(qFuzzyCompare(sw->currentPos.x(), 100));
QVERIFY(qFuzzyCompare(sw->currentPos.y(), 100));
}
void tst_QScroller::scroll()
{
#if QT_CONFIG(gestures) && QT_CONFIG(scroller)
// -- good case. normal scroll
QScopedPointer<tst_QScrollerWidget> sw(new tst_QScrollerWidget());
sw->scrollArea = QRectF(0, 0, 1000, 1000);
QScroller::grabGesture(sw.data(), QScroller::TouchGesture);
sw->setGeometry(100, 100, 400, 300);
sw->show();
QApplication::setActiveWindow(sw.data());
if (!QTest::qWaitForWindowExposed(sw.data()) || !QTest::qWaitForWindowActive(sw.data()))
QSKIP("Failed to show and activate window");
QScroller *s1 = QScroller::scroller(sw.data());
kineticScroll(sw.data(), QPointF(500, 500), QPoint(0, 0), QPoint(100, 100), QPoint(200, 200));
// now we should be scrolling
QTRY_COMPARE(s1->state(), QScroller::Scrolling);
// wait until finished, check that no further first scroll is sent
sw->receivedFirst = false;
sw->receivedScroll = false;
QTRY_VERIFY(s1->state() != QScroller::Scrolling);
QCOMPARE(sw->receivedFirst, false);
QCOMPARE(sw->receivedScroll, true);
QCOMPARE(sw->receivedLast, true);
QVERIFY(sw->currentPos.x() < 400);
QVERIFY(sw->currentPos.y() < 400);
// -- try to scroll when nothing to scroll
sw->reset();
sw->scrollArea = QRectF(0, 0, 0, 1000);
kineticScrollNoTest(sw.data(), QPointF(0, 500), QPoint(0, 0), QPoint(100, 0), QPoint(200, 0));
QTRY_COMPARE(s1->state(), QScroller::Inactive);
QCOMPARE(sw->currentPos.x(), 0.0);
QCOMPARE(sw->currentPos.y(), 500.0);
#endif
}
void tst_QScroller::overshoot()
{
#if QT_CONFIG(gestures) && QT_CONFIG(scroller)
QScopedPointer<tst_QScrollerWidget> sw(new tst_QScrollerWidget);
sw->scrollArea = QRectF(0, 0, 1000, 1000);
QScroller::grabGesture(sw.data(), QScroller::TouchGesture);
sw->setGeometry(100, 100, 400, 300);
sw->show();
QApplication::setActiveWindow(sw.data());
if (!QTest::qWaitForWindowExposed(sw.data()) || !QTest::qWaitForWindowActive(sw.data()))
QSKIP("Failed to show and activate window");
QScroller *s1 = QScroller::scroller(sw.data());
QScrollerProperties sp1 = s1->scrollerProperties();
sp1.setScrollMetric(QScrollerProperties::OvershootDragResistanceFactor, 0.5);
sp1.setScrollMetric(QScrollerProperties::OvershootDragDistanceFactor, 0.2);
sp1.setScrollMetric(QScrollerProperties::OvershootScrollDistanceFactor, 0.2);
// -- try to scroll with overshoot (when scrollable good case)
sp1.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue(QScrollerProperties::OvershootWhenScrollable));
s1->setScrollerProperties(sp1);
kineticScrollNoTest(sw.data(), QPointF(500, 500), QPoint(0, 0), QPoint(400, 0), QPoint(490, 0));
QTRY_COMPARE(s1->state(), QScroller::Inactive);
//qDebug() << "Overshoot fuzzy: "<<sw->currentPos;
QVERIFY(qFuzzyCompare(sw->currentPos.x(), 0));
QVERIFY(qFuzzyCompare(sw->currentPos.y(), 500));
QCOMPARE(sw->receivedOvershoot, true);
// -- try to scroll with overshoot (when scrollable bad case)
sw->reset();
sw->scrollArea = QRectF(0, 0, 0, 1000);
sp1.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue(QScrollerProperties::OvershootWhenScrollable));
s1->setScrollerProperties(sp1);
kineticScrollNoTest(sw.data(), QPointF(0, 500), QPoint(0, 0), QPoint(400, 0), QPoint(490, 0));
QTRY_COMPARE(s1->state(), QScroller::Inactive);
//qDebug() << "Overshoot fuzzy: "<<sw->currentPos;
QVERIFY(qFuzzyCompare(sw->currentPos.x(), 0));
QVERIFY(qFuzzyCompare(sw->currentPos.y(), 500));
QCOMPARE(sw->receivedOvershoot, false);
// -- try to scroll with overshoot (always on)
sw->reset();
sw->scrollArea = QRectF(0, 0, 0, 1000);
sp1.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue(QScrollerProperties::OvershootAlwaysOn));
s1->setScrollerProperties(sp1);
kineticScrollNoTest(sw.data(), QPointF(0, 500), QPoint(0, 0), QPoint(400, 0), QPoint(490, 0));
QTRY_COMPARE(s1->state(), QScroller::Inactive);
//qDebug() << "Overshoot fuzzy: "<<sw->currentPos;
QVERIFY(qFuzzyCompare(sw->currentPos.x(), 0));
QVERIFY(qFuzzyCompare(sw->currentPos.y(), 500));
QCOMPARE(sw->receivedOvershoot, true);
// -- try to scroll with overshoot (always off)
sw->reset();
sw->scrollArea = QRectF(0, 0, 1000, 1000);
sp1.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue(QScrollerProperties::OvershootAlwaysOff));
s1->setScrollerProperties(sp1);
kineticScrollNoTest(sw.data(), QPointF(500, 500), QPoint(0, 0), QPoint(400, 0), QPoint(490, 0));
QTRY_COMPARE(s1->state(), QScroller::Inactive);
QVERIFY(qFuzzyCompare(sw->currentPos.x(), 0));
QVERIFY(qFuzzyCompare(sw->currentPos.y(), 500));
QCOMPARE(sw->receivedOvershoot, false);
// -- try to scroll with overshoot (always on but max overshoot = 0)
sp1.setScrollMetric(QScrollerProperties::OvershootDragDistanceFactor, 0.0);
sp1.setScrollMetric(QScrollerProperties::OvershootScrollDistanceFactor, 0.0);
sw->reset();
sw->scrollArea = QRectF(0, 0, 1000, 1000);
sp1.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue(QScrollerProperties::OvershootAlwaysOn));
s1->setScrollerProperties(sp1);
kineticScrollNoTest(sw.data(), QPointF(500, 500), QPoint(0, 0), QPoint(400, 0), QPoint(490, 0));
QTRY_COMPARE(s1->state(), QScroller::Inactive);
QVERIFY(qFuzzyCompare(sw->currentPos.x(), 0));
QVERIFY(qFuzzyCompare(sw->currentPos.y(), 500));
QCOMPARE(sw->receivedOvershoot, false);
#endif
}
void tst_QScroller::multipleWindows()
{
#if QT_CONFIG(gestures) && QT_CONFIG(scroller)
QScopedPointer<tst_QScrollerWidget> sw1(new tst_QScrollerWidget);
sw1->scrollArea = QRectF(0, 0, 1000, 1000);
QScroller::grabGesture(sw1.data(), QScroller::TouchGesture);
sw1->setGeometry(100, 100, 400, 300);
QScroller *s1 = QScroller::scroller(sw1.data());
kineticScroll(sw1.data(), QPointF(500, 500), QPoint(0, 0), QPoint(100, 100), QPoint(200, 200));
// now we should be scrolling
QTRY_COMPARE(s1->state(), QScroller::Scrolling);
// That was fun! Do it again!
QScopedPointer<tst_QScrollerWidget> sw2(new tst_QScrollerWidget());
sw2->scrollArea = QRectF(0, 0, 1000, 1000);
QScroller::grabGesture(sw2.data(), QScroller::TouchGesture);
sw2->setGeometry(100, 100, 400, 300);
QScroller *s2 = QScroller::scroller(sw2.data());
kineticScroll(sw2.data(), QPointF(500, 500), QPoint(0, 0), QPoint(100, 100), QPoint(200, 200));
// now we should be scrolling
QTRY_COMPARE(s2->state(), QScroller::Scrolling);
// wait for both to stop
QTRY_VERIFY(s1->state() != QScroller::Scrolling);
QTRY_VERIFY(s2->state() != QScroller::Scrolling);
sw1.reset(); // destroy one window
sw2->reset(); // reset the other scroller's internal state
// make sure we can still scroll the remaining one without crashing (QTBUG-71232)
kineticScroll(sw2.data(), QPointF(500, 500), QPoint(0, 0), QPoint(100, 100), QPoint(200, 200));
#endif
}
QTEST_MAIN(tst_QScroller)
#include "tst_qscroller.moc"