/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtGui module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QKEYMAPPER_P_H

#define QKEYMAPPER_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <qobject.h>

#include <private/qobject_p.h>

#include <qkeysequence.h>

#include <qlist.h>

#include <qlocale.h>

#include <qevent.h>

#include <qhash.h>

#if defined (Q_WS_MAC64)

# include <private/qt_mac_p.h>

#endif

QT_BEGIN_NAMESPACE

class QKeyMapperPrivate;

class QKeyMapper : public QObject

{

    Q_OBJECT

public:

    explicit QKeyMapper();

    ~QKeyMapper();

    static QKeyMapper *instance();

    static void changeKeyboard();

    static bool sendKeyEvent(QWidget *widget, bool grab,

                             QEvent::Type type, int code, Qt::KeyboardModifiers modifiers,

                             const QString &text, bool autorepeat, int count,

                             quint32 nativeScanCode, quint32 nativeVirtualKey, quint32 nativeModifiers,

                             bool *unusedExceptForCocoa = 0);

    static QList<int> possibleKeys(QKeyEvent *e);

private:

    friend QKeyMapperPrivate *qt_keymapper_private();

    Q_DECLARE_PRIVATE(QKeyMapper)

    Q_DISABLE_COPY(QKeyMapper)

};

#if defined(Q_OS_WIN)

enum WindowsNativeModifiers {

    ShiftLeft            = 0x00000001,

    ControlLeft          = 0x00000002,

    AltLeft              = 0x00000004,

    MetaLeft             = 0x00000008,

    ShiftRight           = 0x00000010,

    ControlRight         = 0x00000020,

    AltRight             = 0x00000040,

    MetaRight            = 0x00000080,

    CapsLock             = 0x00000100,

    NumLock              = 0x00000200,

    ScrollLock           = 0x00000400,

    ExtendedKey          = 0x01000000,

    // Convenience mappings

    ShiftAny             = 0x00000011,

    ControlAny           = 0x00000022,

    AltAny               = 0x00000044,

    MetaAny              = 0x00000088,

    LockAny              = 0x00000700

};

# if !defined(tagMSG)

    typedef struct tagMSG MSG;

# endif

#elif defined(Q_WS_MAC)

QT_BEGIN_INCLUDE_NAMESPACE

# include <private/qt_mac_p.h>

QT_END_INCLUDE_NAMESPACE

#elif defined(Q_WS_X11)

QT_BEGIN_INCLUDE_NAMESPACE

typedef ulong XID;

typedef XID KeySym;

QT_END_INCLUDE_NAMESPACE

struct QXCoreDesc {

    int min_keycode;

    int max_keycode;

    int keysyms_per_keycode;

    KeySym *keysyms;

    uchar mode_switch;

    uchar num_lock;

    KeySym lock_meaning;

};

#endif

struct KeyboardLayoutItem;

typedef struct __TISInputSource * TISInputSourceRef;

class QKeyEvent;

class QKeyMapperPrivate : public QObjectPrivate

{

    Q_DECLARE_PUBLIC(QKeyMapper)

public:

    QKeyMapperPrivate();

    ~QKeyMapperPrivate();

    void clearMappings();

    QList<int> possibleKeys(QKeyEvent *e);

    QLocale keyboardInputLocale;

    Qt::LayoutDirection keyboardInputDirection;

#if defined(Q_OS_WIN)

    void clearRecordedKeys();

    void updateKeyMap(const MSG &msg);

    bool translateKeyEvent(QWidget *receiver, const MSG &msg, bool grab);

    void updatePossibleKeyCodes(unsigned char *kbdBuffer, quint32 scancode, quint32 vk_key);

    bool isADeadKey(unsigned int vk_key, unsigned int modifiers);

    void deleteLayouts();

    KeyboardLayoutItem *keyLayout[256];

#elif defined(Q_WS_X11)

    QList<int> possibleKeysXKB(QKeyEvent *event);

    QList<int> possibleKeysCore(QKeyEvent *event);

    bool translateKeyEventInternal(QWidget *keywidget,

                                   const XEvent *,

                                   KeySym &keysym,

                                   int& count,

                                   QString& text,

                                   Qt::KeyboardModifiers& modifiers,

                                   int &code,

                                   QEvent::Type &type,

                                   bool statefulTranslation = true);

    bool translateKeyEvent(QWidget *keywidget,

                           const XEvent *,

                           bool grab);

    bool useXKB;

    QXCoreDesc coreDesc;

#elif defined(Q_WS_MAC)

    bool updateKeyboard();

    void updateKeyMap(EventHandlerCallRef, EventRef, void *);

    bool translateKeyEvent(QWidget *, EventHandlerCallRef, EventRef, void *, bool);

    void deleteLayouts();

    enum { NullMode, UnicodeMode, OtherMode } keyboard_mode;

    union {

        const UCKeyboardLayout *unicode;

        void *other;

    } keyboard_layout_format;

#ifdef Q_WS_MAC64

    QCFType<TISInputSourceRef> currentInputSource;

#else

    KeyboardLayoutRef currentKeyboardLayout;

#endif

    KeyboardLayoutKind keyboard_kind;

    UInt32 keyboard_dead;

    KeyboardLayoutItem *keyLayout[256];

#elif defined(Q_WS_QWS)

#elif defined(Q_OS_SYMBIAN)

public:

    QString translateKeyEvent(int keySym, Qt::KeyboardModifiers modifiers);

    int mapS60KeyToQt(TUint s60key);

    int mapS60ScanCodesToQt(TUint s60key);

    int mapQtToS60Key(int qtKey);

    int mapQtToS60ScanCodes(int qtKey);

#endif

};

QKeyMapperPrivate *qt_keymapper_private(); // from qkeymapper.cpp

QT_END_NAMESPACE

#endif // QKEYMAPPER_P_H