/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
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** 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.
**
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** Alternatively, this file may be used in accordance with the terms and
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** $QT_END_LICENSE$
**
****************************************************************************/

#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 "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 // QWININPUTCONTEXT_P_H