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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest/QTest>
#include <qsignalspy.h>
#include <QtQml/qqmlengine.h>
#include <QtQml/qqmlcomponent.h>
#include <QtQuick/qquickview.h>
#include <QtQuick/private/qquickdraghandler_p.h>
#include <QtQuickTestUtils/private/qmlutils_p.h>
#include <QtQuickTestUtils/private/viewtestutils_p.h>
class tst_qquickboundaryrule : public QQmlDataTest
{
Q_OBJECT
public:
tst_qquickboundaryrule() : QQmlDataTest(QT_QMLTEST_DATADIR) {}
private slots:
void init() override;
void dragHandler();
};
void tst_qquickboundaryrule::init()
{
QQmlDataTest::init();
//work around animation timer bug (QTBUG-22865)
qApp->processEvents();
}
void tst_qquickboundaryrule::dragHandler()
{
QQuickView window;
QByteArray errorMessage;
QVERIFY2(QQuickTest::initView(window, testFileUrl("dragHandler.qml"), true, &errorMessage), errorMessage.constData());
window.show();
QVERIFY(QTest::qWaitForWindowExposed(&window));
QQuickItem *target = window.rootObject();
QVERIFY(target);
QQuickDragHandler *dragHandler = target->findChild<QQuickDragHandler*>();
QVERIFY(dragHandler);
QObject *boundaryRule = target->findChild<QObject *>(QLatin1String("boundaryRule"));
QVERIFY(boundaryRule);
QSignalSpy overshootChangedSpy(boundaryRule, SIGNAL(currentOvershootChanged()));
QSignalSpy returnedSpy(boundaryRule, SIGNAL(returnedToBounds()));
QPoint p1(10, 10);
QTest::mousePress(&window, Qt::LeftButton, Qt::NoModifier, p1);
// unrestricted drag
p1 += QPoint(100, 0);
QTest::mouseMove(&window, p1);
QTRY_VERIFY(dragHandler->active());
QCOMPARE(target->position().x(), 100);
bool ok = false;
QCOMPARE(boundaryRule->property("currentOvershoot").toReal(&ok), 0);
QVERIFY(ok);
QCOMPARE(boundaryRule->property("peakOvershoot").toReal(&ok), 0);
QVERIFY(ok);
QCOMPARE(overshootChangedSpy.size(), 0);
// restricted drag: halfway into overshoot
p1 += QPoint(20, 0);
QTest::mouseMove(&window, p1);
QCOMPARE(target->position().x(), 117.5);
QCOMPARE(boundaryRule->property("currentOvershoot").toReal(), 20);
QCOMPARE(boundaryRule->property("peakOvershoot").toReal(), 20);
QCOMPARE(overshootChangedSpy.size(), 1);
// restricted drag: maximum overshoot
p1 += QPoint(80, 0);
QTest::mouseMove(&window, p1);
QCOMPARE(target->position().x(), 140);
QCOMPARE(boundaryRule->property("currentOvershoot").toReal(), 100);
QCOMPARE(boundaryRule->property("peakOvershoot").toReal(), 100);
QCOMPARE(overshootChangedSpy.size(), 2);
// release and let it return to bounds
QTest::mouseRelease(&window, Qt::LeftButton, Qt::NoModifier, p1);
QTRY_COMPARE(dragHandler->active(), false);
QTRY_COMPARE(returnedSpy.size(), 1);
QCOMPARE(overshootChangedSpy.size(), 3);
QCOMPARE(boundaryRule->property("currentOvershoot").toReal(&ok), 0);
QVERIFY(ok);
QCOMPARE(boundaryRule->property("peakOvershoot").toReal(&ok), 0);
QVERIFY(ok);
QCOMPARE(target->position().x(), 100);
}
QTEST_MAIN(tst_qquickboundaryrule)
#include "tst_qquickboundaryrule.moc"
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