/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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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** $QT_END_LICENSE$
**
****************************************************************************/

/****************************************************************************
**
** Definition of QXIMInputContext class
**
** Copyright (C) 2003-2004 immodule for Qt Project.  All rights reserved.
**
** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own
** license. You may use this file under your Qt license. Following
** description is copied from their original file headers. Contact
** immodule-qt@freedesktop.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/

#ifndef QXIMINPUTCONTEXT_P_H
#define QXIMINPUTCONTEXT_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 <qconfig.h>
#ifndef QT_NO_IM

#include "QtCore/qglobal.h"
#include "QtGui/qinputcontext.h"
#include "QtGui/qfont.h"
#include "QtCore/qhash.h"
#ifdef Q_WS_X11
#include "QtCore/qlist.h"
#include "QtCore/qbitarray.h"
#include "QtGui/qwindowdefs.h"
#include "private/qt_x11_p.h"
#endif

QT_BEGIN_NAMESPACE

class QKeyEvent;
class QWidget;
class QFont;
class QString;

class QXIMInputContext : public QInputContext
{
    Q_OBJECT
public:
    struct ICData {
        XIC ic;
        XFontSet fontset;
        QWidget *widget;
        QString text;
        QBitArray selectedChars;
        bool composing;
        bool preeditEmpty;
        void clear();
    };

    QXIMInputContext();
    ~QXIMInputContext();

    QString identifierName();
    QString language();

    void reset();

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

    void setFocusWidget( QWidget *w );
    void widgetDestroyed(QWidget *w);

    void create_xim();
    void close_xim();

    void update();

    ICData *icData() const;
protected:
    bool x11FilterEvent( QWidget *keywidget, XEvent *event );

private:
    static XIMStyle xim_style;

    QString _language;
    XIM xim;
    QHash<WId, ICData *> ximData;

    ICData *createICData(QWidget *w);
};

QT_END_NAMESPACE

#endif // Q_NO_IM

#endif // QXIMINPUTCONTEXT_P_H