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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSYSTEMINTERFACE_QPA_P_H
#define QWINDOWSYSTEMINTERFACE_QPA_P_H

#include "qwindowsysteminterface_qpa.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QWindowSystemInterfacePrivate {
public:
    enum EventType {
        Close,
        GeometryChange,
        Enter,
        Leave,
        ActivatedWindow,
        Mouse,
        Wheel,
        Key,
        Touch,
        ScreenGeometry,
        ScreenAvailableGeometry,
        ScreenCountChange,
        LocaleChange
    };

    class WindowSystemEvent {
    public:
        WindowSystemEvent(EventType t)
            : type(t) { }
        virtual ~WindowSystemEvent() {}
        EventType type;
    };

    class CloseEvent : public WindowSystemEvent {
    public:
        CloseEvent(QWidget *tlw)
            : WindowSystemEvent(Close), topLevel(tlw) { }
        QWeakPointer<QWidget> topLevel;
    };

    class GeometryChangeEvent : public WindowSystemEvent {
    public:
        GeometryChangeEvent(QWidget *tlw, const QRect &newGeometry)
            : WindowSystemEvent(GeometryChange), tlw(tlw), newGeometry(newGeometry)
        { }
        QWeakPointer<QWidget> tlw;
        QRect newGeometry;
    };

    class EnterEvent : public WindowSystemEvent {
    public:
        EnterEvent(QWidget *enter)
            : WindowSystemEvent(Enter), enter(enter)
        { }
        QWeakPointer<QWidget> enter;
    };

    class LeaveEvent : public WindowSystemEvent {
    public:
        LeaveEvent(QWidget *leave)
            : WindowSystemEvent(Leave), leave(leave)
        { }
        QWeakPointer<QWidget> leave;
    };

    class ActivatedWindowEvent : public WindowSystemEvent {
    public:
        ActivatedWindowEvent(QWidget *activatedWindow)
            : WindowSystemEvent(ActivatedWindow), activated(activatedWindow)
        { }
        QWeakPointer<QWidget> activated;
    };

    class UserEvent : public WindowSystemEvent {
    public:
        UserEvent(QWidget * w, ulong time, EventType t)
            : WindowSystemEvent(t), widget(w), timestamp(time) { }
        QWeakPointer<QWidget> widget;
        unsigned long timestamp;
    };

    class MouseEvent : public UserEvent {
    public:
        MouseEvent(QWidget * w, ulong time, const QPoint & local, const QPoint & global, Qt::MouseButtons b)
            : UserEvent(w, time, Mouse), localPos(local), globalPos(global), buttons(b) { }
        QPoint localPos;
        QPoint globalPos;
        Qt::MouseButtons buttons;
    };

    class WheelEvent : public UserEvent {
    public:
        WheelEvent(QWidget *w, ulong time, const QPoint & local, const QPoint & global, int d, Qt::Orientation o)
            : UserEvent(w, time, Wheel), delta(d), localPos(local), globalPos(global), orient(o) { }
        int delta;
        QPoint localPos;
        QPoint globalPos;
        Qt::Orientation orient;
    };

    class KeyEvent : public UserEvent {
    public:
        KeyEvent(QWidget *w, ulong time, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1)
            :UserEvent(w, time, Key), key(k), unicode(text), repeat(autorep),
             repeatCount(count), modifiers(mods), keyType(t),
             nativeScanCode(0), nativeVirtualKey(0), nativeModifiers(0) { }
        KeyEvent(QWidget *w, ulong time, QEvent::Type t, int k, Qt::KeyboardModifiers mods,
                 quint32 nativeSC, quint32 nativeVK, quint32 nativeMods,
                 const QString & text = QString(), bool autorep = false, ushort count = 1)
            :UserEvent(w, time, Key), key(k), unicode(text), repeat(autorep),
             repeatCount(count), modifiers(mods), keyType(t),
             nativeScanCode(nativeSC), nativeVirtualKey(nativeVK), nativeModifiers(nativeMods) { }
        int key;
        QString unicode;
        bool repeat;
        ushort repeatCount;
        Qt::KeyboardModifiers modifiers;
        QEvent::Type keyType;
        quint32 nativeScanCode;
        quint32 nativeVirtualKey;
        quint32 nativeModifiers;
    };

    class TouchEvent : public UserEvent {
    public:
        TouchEvent(QWidget *w, ulong time, QEvent::Type t, QTouchEvent::DeviceType d, const QList<QTouchEvent::TouchPoint> &p)
            :UserEvent(w, time, Touch), devType(d), points(p), touchType(t) { }
        QTouchEvent::DeviceType devType;
        QList<QTouchEvent::TouchPoint> points;
        QEvent::Type touchType;

    };

    class ScreenCountEvent : public WindowSystemEvent {
    public:
        ScreenCountEvent (int count)
            : WindowSystemEvent(ScreenCountChange) , count(count) { }
        int count;
    };

    class ScreenGeometryEvent : public WindowSystemEvent {
    public:
        ScreenGeometryEvent(int index)
            : WindowSystemEvent(ScreenGeometry), index(index) { }
        int index;
    };

    class ScreenAvailableGeometryEvent : public WindowSystemEvent {
    public:
        ScreenAvailableGeometryEvent(int index)
            : WindowSystemEvent(ScreenAvailableGeometry), index(index) { }
        int index;
    };

    class LocaleChangeEvent : public WindowSystemEvent {
    public:
        LocaleChangeEvent()
            : WindowSystemEvent(LocaleChange) { }
    };


    static QList<WindowSystemEvent *> windowSystemEventQueue;
    static QMutex queueMutex;

    static int windowSystemEventsQueued();
    static WindowSystemEvent * getWindowSystemEvent();
    static void queueWindowSystemEvent(WindowSystemEvent *ev);

    static QTime eventTime;
};

QT_END_HEADER
QT_END_NAMESPACE

#endif // QWINDOWSYSTEMINTERFACE_QPA_P_H