cursorinterface.h

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #ifndef __ktexteditor_cursorinterface_h__
00020 #define __ktexteditor_cursorinterface_h__
00021 
00022 #include <qptrlist.h>
00023 #include <qstring.h>
00024 
00025 #include <kdelibs_export.h>
00026 
00027 namespace KTextEditor
00028 {
00029 
00033 class KTEXTEDITOR_EXPORT Cursor
00034 {
00035   public:
00036     virtual void position ( unsigned int *line, unsigned int *col ) const = 0;
00037 
00038     virtual bool setPosition ( unsigned int line, unsigned int col ) = 0;
00039 
00040     virtual bool insertText ( const QString& text ) = 0;
00041 
00042     virtual bool removeText ( unsigned int numberOfCharacters ) = 0;
00043 
00044     virtual QChar currentChar () const = 0;
00045 };
00046 
00050 class KTEXTEDITOR_EXPORT CursorInterface
00051 {
00052   friend class PrivateCursorInterface;
00053 
00054   public:
00055     CursorInterface ();
00056     virtual ~CursorInterface ();
00057 
00058     unsigned int cursorInterfaceNumber () const;
00059     
00060   protected:  
00061     void setCursorInterfaceDCOPSuffix (const QCString &suffix);  
00062 
00063   public:
00067     virtual Cursor *createCursor ( ) = 0;
00068 
00069     /*
00070     * Accessor to the list of cursors.
00071     */
00072     virtual QPtrList<Cursor> cursors () const = 0;
00073 
00074     private:
00075       class PrivateCursorInterface *d;
00076       static unsigned int globalCursorInterfaceNumber;
00077       unsigned int myCursorInterfaceNumber;
00078 };
00079 
00080 KTEXTEDITOR_EXPORT CursorInterface *cursorInterface (class Document *doc);
00081 
00082 }
00083 
00084 #endif
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