korganizer

lineview.h

00001 /*
00002     This file is part of KOrganizer.
00003 
00004     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
00005 
00006     This program is free software; you can redistribute it and/or modify
00007     it under the terms of the GNU General Public License as published by
00008     the Free Software Foundation; either version 2 of the License, or
00009     (at your option) any later version.
00010 
00011     This program is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00014     GNU General Public License for more details.
00015 
00016     You should have received a copy of the GNU General Public License
00017     along with this program; if not, write to the Free Software
00018     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00019 
00020     As a special exception, permission is given to link this program
00021     with any edition of Qt, and distribute the resulting executable,
00022     without including the source code for Qt in the source distribution.
00023 */
00024 #ifndef LINEVIEW_H
00025 #define LINEVIEW_H
00026 
00027 #include <qscrollview.h>
00028 #include <qptrlist.h>
00029 
00030 class LineView : public QScrollView
00031 {
00032     Q_OBJECT
00033   public:
00034     LineView( QWidget *parent = 0, const char *name = 0 );
00035     virtual ~LineView();
00036 
00037     int pixelWidth();
00038     
00039     void addLine( int start, int end );
00040 
00041     void clear();
00042 
00043   protected:
00044     void drawContents(QPainter* p, int cx, int cy, int cw, int ch);
00045 
00046   private:
00047     struct Line {
00048       Line( int c, int s, int e ) : column( c ), start( s ), end( e ) {}
00049       int column;
00050       int start;
00051       int end;
00052     };
00053 
00054     QPtrList<Line> mLines;
00055     int mPixelWidth;
00056 };
00057 
00058 #endif
00059 
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