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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+
+#include <QtQml/qqmlengine.h>
+#include <QtQml/qqmlproperty.h>
+#include <QtQuick/private/qquickdraghandler_p.h>
+#include <QtQuick/private/qquickmousearea_p.h>
+#include <QtQuick/qquickitem.h>
+#include <QtQuick/qquickview.h>
+
+#include "../../../shared/util.h"
+#include "../../shared/viewtestutil.h"
+
+Q_LOGGING_CATEGORY(lcPointerTests, "qt.quick.pointer.tests")
+
+class tst_MouseAreaInterop : public QQmlDataTest
+{
+ Q_OBJECT
+public:
+ tst_MouseAreaInterop()
+ : touchDevice(QTest::createTouchDevice())
+ , touchPointerDevice(QQuickPointerDevice::touchDevice(touchDevice))
+ {}
+
+private slots:
+ void dragHandlerInSiblingStealingGrabFromMouseAreaViaMouse();
+ void dragHandlerInSiblingStealingGrabFromMouseAreaViaTouch();
+
+private:
+ void createView(QScopedPointer<QQuickView> &window, const char *fileName);
+ QTouchDevice *touchDevice;
+ QQuickPointerDevice *touchPointerDevice;
+};
+
+void tst_MouseAreaInterop::createView(QScopedPointer<QQuickView> &window, const char *fileName)
+{
+ window.reset(new QQuickView);
+ window->setSource(testFileUrl(fileName));
+ QTRY_COMPARE(window->status(), QQuickView::Ready);
+ QQuickViewTestUtil::centerOnScreen(window.data());
+ QQuickViewTestUtil::moveMouseAway(window.data());
+
+ window->show();
+ QVERIFY(QTest::qWaitForWindowActive(window.data()));
+ QVERIFY(window->rootObject() != nullptr);
+}
+
+void tst_MouseAreaInterop::dragHandlerInSiblingStealingGrabFromMouseAreaViaMouse()
+{
+ const int dragThreshold = QGuiApplication::styleHints()->startDragDistance();
+ QScopedPointer<QQuickView> windowPtr;
+ createView(windowPtr, "dragTakeOverFromSibling.qml");
+ QQuickView * window = windowPtr.data();
+ auto pointerEvent = QQuickWindowPrivate::get(window)->pointerEventInstance(QQuickPointerDevice::genericMouseDevice());
+
+ QPointer<QQuickPointerHandler> handler = window->rootObject()->findChild<QQuickPointerHandler*>();
+ QVERIFY(handler);
+ QQuickMouseArea *ma = window->rootObject()->findChild<QQuickMouseArea*>();
+ QVERIFY(ma);
+
+ QPoint p1(150, 150);
+ QTest::mousePress(window, Qt::LeftButton, Qt::NoModifier, p1);
+ QCOMPARE(window->mouseGrabberItem(), ma);
+ QCOMPARE(ma->pressed(), true);
+
+ // Start dragging
+ // DragHandler keeps monitoring, due to its passive grab,
+ // and eventually steals the exclusive grab from MA
+ int dragStoleGrab = 0;
+ for (int i = 0; i < 4; ++i) {
+ p1 += QPoint(dragThreshold / 2, 0);
+ QTest::mouseMove(window, p1);
+ if (!dragStoleGrab && pointerEvent->point(0)->exclusiveGrabber() == handler)
+ dragStoleGrab = i;
+ }
+ if (dragStoleGrab)
+ qCDebug(lcPointerTests, "DragHandler stole the grab after %d events", dragStoleGrab);
+ QVERIFY(dragStoleGrab > 1);
+ QCOMPARE(handler->active(), true);
+ QCOMPARE(ma->pressed(), false);
+
+ QTest::mouseRelease(window, Qt::LeftButton, Qt::NoModifier, p1);
+ QCOMPARE(handler->active(), false);
+}
+
+void tst_MouseAreaInterop::dragHandlerInSiblingStealingGrabFromMouseAreaViaTouch() // QTBUG-77624
+{
+ const int dragThreshold = QGuiApplication::styleHints()->startDragDistance();
+ QScopedPointer<QQuickView> windowPtr;
+ createView(windowPtr, "dragTakeOverFromSibling.qml");
+ QQuickView * window = windowPtr.data();
+ auto pointerEvent = QQuickWindowPrivate::get(window)->pointerEventInstance(touchPointerDevice);
+
+ QPointer<QQuickPointerHandler> handler = window->rootObject()->findChild<QQuickPointerHandler*>();
+ QVERIFY(handler);
+ QQuickMouseArea *ma = window->rootObject()->findChild<QQuickMouseArea*>();
+ QVERIFY(ma);
+
+ QPoint p1(150, 150);
+ QTest::QTouchEventSequence touch = QTest::touchEvent(window, touchDevice);
+
+ touch.press(1, p1).commit();
+ QQuickTouchUtils::flush(window);
+ QTRY_VERIFY(pointerEvent->point(0)->passiveGrabbers().contains(handler));
+ QCOMPARE(pointerEvent->point(0)->grabberItem(), ma);
+ QCOMPARE(window->mouseGrabberItem(), ma);
+ QCOMPARE(ma->pressed(), true);
+
+ // Start dragging
+ // DragHandler keeps monitoring, due to its passive grab,
+ // and eventually steals the exclusive grab from MA
+ int dragStoleGrab = 0;
+ for (int i = 0; i < 4; ++i) {
+ p1 += QPoint(dragThreshold / 2, 0);
+ touch.move(1, p1).commit();
+ QQuickTouchUtils::flush(window);
+ if (!dragStoleGrab && pointerEvent->point(0)->exclusiveGrabber() == handler)
+ dragStoleGrab = i;
+ }
+ if (dragStoleGrab)
+ qCDebug(lcPointerTests, "DragHandler stole the grab after %d events", dragStoleGrab);
+ QVERIFY(dragStoleGrab > 1);
+ QCOMPARE(handler->active(), true);
+ QCOMPARE(ma->pressed(), false);
+
+ touch.release(1, p1).commit();
+ QQuickTouchUtils::flush(window);
+ QCOMPARE(handler->active(), false);
+}
+
+QTEST_MAIN(tst_MouseAreaInterop)
+
+#include "tst_mousearea_interop.moc"