qtbase/src/gui/kernel/qkeymapper_p.h

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#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>


QT_BEGIN_NAMESPACE

class QKeyMapperPrivate;
class Q_GUI_EXPORT QKeyMapper : public QObject
{
    Q_OBJECT
public:
    explicit QKeyMapper();
    ~QKeyMapper();

    static QKeyMapper *instance();
    static void changeKeyboard();
    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];
#endif // defined(Q_OS_WIN)
};

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

QT_END_NAMESPACE

#endif // QKEYMAPPER_P_H