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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest/qtest.h>
#include <QtTest/qsignalspy.h>
#include <QtQuick/qquickwindow.h>
#include <QtQuick/qquickitem.h>
#include <QtQuick/private/qquickpointerdevicehandler_p.h>
#include <QtQuickTemplates2/private/qquickoverlay_p.h>
class tst_QQuickOverlay : public QObject
{
Q_OBJECT
public:
tst_QQuickOverlay();
private slots:
void clearGrabbers();
void retainOrientation();
};
class TestInputHandler : public QQuickPointerDeviceHandler
{
public:
TestInputHandler(QQuickItem * parent)
: QQuickPointerDeviceHandler(parent)
{
setGrabPermissions(GrabPermission::TakeOverForbidden);
}
bool wantsPointerEvent(QPointerEvent * event) override
{
return QQuickPointerDeviceHandler::wantsPointerEvent(event)
&& !eligiblePoints(event).isEmpty();
}
bool wantsEventPoint(const QPointerEvent * event, const QEventPoint & point) override
{
bool ret = QQuickPointerDeviceHandler::wantsEventPoint(event, point);
return ret || (ret && event->exclusiveGrabber(point) != this);
}
bool grabPoints(QPointerEvent * event, const QVector<QEventPoint> & points)
{
if (points.isEmpty())
return false;
bool allowed = true;
for (const auto & point : points) {
if (event->exclusiveGrabber(point) != this && !canGrab(event, point)) {
allowed = false;
break;
}
}
if (allowed) {
for (auto point : points) {
if (event->exclusiveGrabber(point) != this)
event->setExclusiveGrabber(point, this);
point.setAccepted(true);
}
}
return allowed;
}
bool grabEligiblePoints(QPointerEvent * event)
{
return grabPoints(event, eligiblePoints(event));
}
QList<QEventPoint> eligiblePoints(QPointerEvent * event)
{
QList<QEventPoint> ret;
// elligible points should return all points which either
// 1. have no owner
// 2. are owned by us
// 3. we can steal
for (int i = 0; i < event->pointCount(); ++i) {
auto p = event->point(i);
auto * exclusiveGrabber = event->exclusiveGrabber(p);
if (exclusiveGrabber && exclusiveGrabber != this && !canGrab(event, p))
continue;
if (p.state() != QEventPoint::Released && wantsEventPoint(event, p))
ret << p;
}
return ret;
}
void handlePointerEventImpl(QPointerEvent * event) override
{
QQuickPointerDeviceHandler::handlePointerEventImpl(event);
auto grabbed = grabEligiblePoints(event);
if (!active()) {
setActive(grabbed);
return;
}
for (int i = 0; i < event->pointCount(); ++i) {
auto point = event->point(i);
if (event->exclusiveGrabber(point) == this)
Q_ASSERT(m_points.contains(point.id()));
}
}
void onGrabChanged(QQuickPointerHandler * grabber,
QPointingDevice::GrabTransition transition,
QPointerEvent * event,
QEventPoint & point) override
{
if (grabber == this) {
switch (transition) {
case QPointingDevice::GrabTransition::GrabExclusive:
Q_ASSERT(!m_points.contains(point.id()));
m_points.append(point.id());
break;
case QPointingDevice::GrabTransition::UngrabExclusive:
case QPointingDevice::GrabTransition::CancelGrabExclusive:
if (m_points.contains(point.id()))
m_points.removeOne(point.id());
break;
default:
break;
}
}
QQuickPointerDeviceHandler::onGrabChanged(grabber, transition, event, point);
}
QList<int> m_points;
};
tst_QQuickOverlay::tst_QQuickOverlay() = default;
void tst_QQuickOverlay::clearGrabbers()
{
QQuickWindow window;
auto *overlay = QQuickOverlay::overlay(&window);
auto *overlayItem = new QQuickItem(overlay);
QVERIFY(overlayItem);
const auto size = QSize(640, 480);
window.resize(size);
auto *item = new QQuickItem(window.contentItem());
item->setSize(size);
auto testPointerhandler = TestInputHandler(item);
window.show();
QVERIFY(QTest::qWaitForWindowExposed(&window));
auto *dev = QTest::createTouchDevice();
QTest::touchEvent(&window, dev)
.press(0, QPoint(10, 10));
QCOMPARE(testPointerhandler.m_points.size(), 1);
QCOMPARE(testPointerhandler.m_points[0], 0);
QTest::touchEvent(&window, dev)
.stationary(0)
.press(1, QPoint(20, 20));
QCOMPARE(testPointerhandler.m_points.size(), 2);
QCOMPARE(testPointerhandler.m_points[0], 0);
QCOMPARE(testPointerhandler.m_points[1], 1);
QTest::touchEvent(&window, dev)
.move(0, QPoint(20, 20))
.move(1, QPoint(30, 30));
QCOMPARE(testPointerhandler.m_points.size(), 2);
QCOMPARE(testPointerhandler.m_points[0], 0);
QCOMPARE(testPointerhandler.m_points[1], 1);
QTest::touchEvent(&window, dev)
.release(0, QPoint(30, 30))
.stationary(1);
QCOMPARE(testPointerhandler.m_points.size(), 1);
QCOMPARE(testPointerhandler.m_points[0], 1);
QTest::touchEvent(&window, dev)
.release(1, QPoint(40, 40));
QVERIFY(testPointerhandler.m_points.isEmpty());
}
void tst_QQuickOverlay::retainOrientation()
{
QQuickWindow window;
auto *overlay = QQuickOverlay::overlay(&window);
window.show();
QVERIFY(QTest::qWaitForWindowExposed(&window));
qreal rot = 10;
overlay->setRotation(rot);
const QSizeF sz = overlay->size();
window.resize(window.size() + QSize(10, 10));
// wait for the resize event to call QQuickOverlay::updateGeometry
QTRY_COMPARE_NE(overlay->size(), sz);
QCOMPARE(overlay->rotation(), rot);
}
QTEST_MAIN(tst_QQuickOverlay)
#include "tst_qquickoverlay.moc"
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