qinputcontext_p.h

linux下聊天室的稳定版本

/****************************************************************************
** $Id: qt/qinputcontext_p.h   3.3.6   edited Aug 31 2005 $
**
** Definition of ???
**
** Copyright (C) 1992-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email [e-mail] for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
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**********************************************************************/

#ifndef QINPUTCONTEXT_P_H
#define QINPUTCONTEXT_P_H


//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of internal files.  This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
//

#include "qglobal.h"

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


#ifdef Q_WS_X11
#include "qarray.h"
#include "qwindowdefs.h"
#include "qt_x11_p.h"
#endif

#ifdef Q_WS_WIN
#include "qt_windows.h"
#endif

#ifdef Q_WS_QWS
class QWSIMEvent;
#endif

class QInputContext
{
public:
#ifdef Q_WS_X11
    QInputContext(QWidget *); // should be a toplevel widget
    ~QInputContext();

    void setFocus();
    void setComposePosition(int, int);
    void setComposeArea(int, int, int, int);
    void reset();

    int lookupString(XKeyEvent *, QCString &, KeySym *, Status *) const;
    void setXFontSet(const QFont &);

    void *ic;
    QString text;
    QWidget *focusWidget;
    bool composing;
    QFont font;
    XFontSet fontset;
    QMemArray<bool> selectedChars;
#endif // Q_WS_X11

#ifdef Q_WS_QWS
    static void translateIMEvent( QWSIMEvent *, QWidget * );
    static void reset();
private:
    static QWidget* focusWidget;
    static QString* composition;
#endif //Q_WS_QWS

#ifdef Q_WS_WIN
    static void init();
    static void shutdown();

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

    static void setFont( const QWidget *w, const QFont & );
    static void setFocusHint( int x, int y, int w, int h, const QWidget *widget );
    static bool startComposition();
    static bool endComposition( QWidget *fw = 0 );
    static bool composition( LPARAM lparam );

    static void accept( QWidget *fw = 0 );
    static void enable( QWidget *w, bool b );
#endif
};

#endif // QINPUTCONTEXT_P_H