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src/qt/src/kernel/qinputcontext_p.h
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00001 /****************************************************************************
00002 ** $Id: qt/qinputcontext_p.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of ???
00005 **
00006 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00007 **
00008 ** This file is part of the kernel module of the Qt GUI Toolkit.
00009 **
00010 ** This file may be distributed under the terms of the Q Public License
00011 ** as defined by Trolltech ASA of Norway and appearing in the file
00012 ** LICENSE.QPL included in the packaging of this file.
00013 **
00014 ** This file may be distributed and/or modified under the terms of the
00015 ** GNU General Public License version 2 as published by the Free Software
00016 ** Foundation and appearing in the file LICENSE.GPL included in the
00017 ** packaging of this file.
00018 **
00019 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00020 ** licenses may use this file in accordance with the Qt Commercial License
00021 ** Agreement provided with the Software.
00022 **
00023 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00024 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00025 **
00026 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00027 **   information about Qt Commercial License Agreements.
00028 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00029 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00030 **
00031 ** Contact info@trolltech.com if any conditions of this licensing are
00032 ** not clear to you.
00033 **
00034 **********************************************************************/
00035 
00036 #ifndef QINPUTCONTEXT_P_H
00037 #define QINPUTCONTEXT_P_H
00038 
00039 
00040 //
00041 //  W A R N I N G
00042 //  -------------
00043 //
00044 // This file is not part of the Qt API.  It exists for the convenience
00045 // of internal files.  This header file may change from version to version
00046 // without notice, or even be removed.
00047 //
00048 // We mean it.
00049 //
00050 //
00051 
00052 #include "qglobal.h"
00053 
00054 class QKeyEvent;
00055 class QWidget;
00056 class QFont;
00057 class QString;
00058 
00059 
00060 #ifdef Q_WS_X11
00061 #include "qarray.h"
00062 #include "qwindowdefs.h"
00063 #include "qt_x11_p.h"
00064 #endif
00065 
00066 #ifdef Q_WS_WIN
00067 #include "qt_windows.h"
00068 #endif
00069 
00070 #ifdef Q_WS_QWS
00071 class QWSIMEvent;
00072 #endif
00073 
00074 class QInputContext
00075 {
00076 public:
00077 #ifdef Q_WS_X11
00078     QInputContext(QWidget *); // should be a toplevel widget
00079     ~QInputContext();
00080 
00081     void setFocus();
00082     void setComposePosition(int, int);
00083     void setComposeArea(int, int, int, int);
00084     void reset();
00085 
00086     int lookupString(XKeyEvent *, QCString &, KeySym *, Status *) const;
00087     void setXFontSet(const QFont &);
00088 
00089     void *ic;
00090     QString text;
00091     QWidget *focusWidget;
00092     bool composing;
00093     QFont font;
00094     XFontSet fontset;
00095     QMemArray<bool> selectedChars;
00096 #endif // Q_WS_X11
00097 
00098 #ifdef Q_WS_QWS
00099     static void translateIMEvent( QWSIMEvent *, QWidget * );
00100     static void reset();
00101 private:
00102     static QWidget* focusWidget;
00103     static QString* composition;
00104 #endif //Q_WS_QWS
00105 
00106 #ifdef Q_WS_WIN
00107     static void init();
00108     static void shutdown();
00109 
00110     static void TranslateMessage( const MSG *msg);
00111     static LRESULT DefWindowProc( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam );
00112 
00113     static void setFont( const QWidget *w, const QFont & );
00114     static void setFocusHint( int x, int y, int w, int h, const QWidget *widget );
00115     static bool startComposition();
00116     static bool endComposition( QWidget *fw = 0 );
00117     static bool composition( LPARAM lparam );
00118 
00119     static void accept( QWidget *fw = 0 );
00120     static void enable( QWidget *w, bool b );
00121 #endif
00122 };
00123 
00124 #endif // QINPUTCONTEXT_P_H
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