/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the manual tests 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 <QGuiApplication>
#include <QQuickItem>
#include <QtQuick/private/qquicktext_p.h>
#include <QQuickWindow>


class MyQuickWindow : public QQuickWindow
{
public:
    MyQuickWindow() : QQuickWindow() {
        m_text = new QQuickText(contentItem());
    }

    bool event(QEvent *e) override
    {
        bool acceptEvent = false;
        bool handleEvent = true;
        enum Device {
            TouchDevice,
            MouseDevice,
            UnknownDevice
        };
        int device = UnknownDevice;
        switch (e->type()) {
        case QEvent::TouchBegin:
            log("TouchBegin");
            device = TouchDevice;
            acceptEvent = true;
            break;
        case QEvent::TouchUpdate:
            log("TouchUpdate");
            device = TouchDevice;
            acceptEvent = true;
            break;
        case QEvent::TouchEnd:
            log("TouchEnd");
            device = TouchDevice;
            acceptEvent = true;
            break;

        case QEvent::MouseButtonPress:
            log("MouseButtonPress", ' ');
            device = MouseDevice;
            break;
        case QEvent::MouseMove:
            log("MouseMove", ' ');
            device = MouseDevice;
            break;
        case QEvent::MouseButtonRelease:
            log("MouseButtonRelease", ' ');
            device = MouseDevice;
            break;
        case QEvent::MouseButtonDblClick:
            log("MouseButtonDblClick", ' ');
            device = MouseDevice;
            break;
        default:
            return QQuickWindow::event(e);
        }

        if (device == MouseDevice) {
            QMouseEvent *me = static_cast<QMouseEvent*>(e);
            switch (me->source()) {
            case Qt::MouseEventNotSynthesized:
                log("(MouseEventNotSynthesized)");
                break;
            case Qt::MouseEventSynthesizedBySystem:
                log("(MouseEventSynthesizedBySystem)");
                break;
            case Qt::MouseEventSynthesizedByQt:
                log("(MouseEventSynthesizedByQt)");
                break;
            case Qt::MouseEventSynthesizedByApplication:
                log("(MouseEventSynthesizedByApplication)");
                break;
            }
        }
        e->setAccepted(acceptEvent);
        return handleEvent;
    }
    
    void log(const char *string, char padCharacter = '\n') {
        m_logline.append(string);
        if (padCharacter == '\n') {
            m_log.append(QLatin1String(m_logline));
            m_log.append(QLatin1Char('\n'));
            m_text->setText(m_log);
            qDebug().noquote() << m_logline;
            m_logline.clear();
        } else {
            m_logline.append(padCharacter);
        }
    }
    
    QByteArray m_logline; // for console
    
    QString m_log;          // for QQuickText
    QQuickText *m_text;
};


int main(int argc, char *argv[])
{
    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QGuiApplication::setAttribute(Qt::AA_SynthesizeMouseForUnhandledTouchEvents, false);
    
    QGuiApplication app(argc, argv);
    MyQuickWindow window;
    window.resize(600,800);
    window.show();
    
    return app.exec();
}