/****************************************************************************
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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the QtGui module of the Qt Toolkit.
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
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#ifndef QWININPUTCONTEXT_P_H
#define QWININPUTCONTEXT_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of qinputcontext.cpp.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <qconfig.h>
#ifndef QT_NO_IM

#include "QtGui/qinputcontext.h"
#include "QtCore/qt_windows.h"

#if !defined(IMR_RECONVERTSTRING)
typedef struct tagRECONVERTSTRING {
    DWORD dwSize;
    DWORD dwVersion;
    DWORD dwStrLen;
    DWORD dwStrOffset;
    DWORD dwCompStrLen;
    DWORD dwCompStrOffset;
    DWORD dwTargetStrLen;
    DWORD dwTargetStrOffset;
} RECONVERTSTRING, *PRECONVERTSTRING;
#endif

QT_BEGIN_NAMESPACE

class QWinInputContext : public QInputContext
{
    Q_OBJECT
public:
    explicit QWinInputContext(QObject* parent = 0);
    virtual ~QWinInputContext();

    virtual QString identifierName() { return QLatin1String("win"); }
    virtual QString language();

    virtual void reset();
    virtual void update();

    virtual void mouseHandler(int x, QMouseEvent *event);
    virtual bool isComposing() const;

    virtual void setFocusWidget(QWidget *w);

    bool startComposition();
    bool endComposition();
    bool composition(LPARAM lparam);
    int reconvertString(RECONVERTSTRING *reconv);

    static void TranslateMessage(const MSG *msg);
    static LRESULT DefWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

    static void updateImeStatus(QWidget *w, bool hasFocus);
    static void enablePopupChild(QWidget *w, bool e);
    static void enable(QWidget *w, bool e);

private:
    void init();
    bool recursionGuard;
};

QT_END_NAMESPACE
#endif // QT_NO_IM
#endif // QWININPUTCONTEXT_P_H
