LineNumberDisplay.h

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00001 /***************************************************************************
00002     File                 : LineNumberDisplay.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2008 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
00007     Description          : A widget displaying line numbers for a QTextEdit
00008 
00009  ***************************************************************************/
00010 
00011 /***************************************************************************
00012  *                                                                         *
00013  *  This program is free software; you can redistribute it and/or modify   *
00014  *  it under the terms of the GNU General Public License as published by   *
00015  *  the Free Software Foundation; either version 2 of the License, or      *
00016  *  (at your option) any later version.                                    *
00017  *                                                                         *
00018  *  This program is distributed in the hope that it will be useful,        *
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00021  *  GNU General Public License for more details.                           *
00022  *                                                                         *
00023  *   You should have received a copy of the GNU General Public License     *
00024  *   along with this program; if not, write to the Free Software           *
00025  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00026  *   Boston, MA  02110-1301  USA                                           *
00027  *                                                                         *
00028  ***************************************************************************/
00029 #ifndef LineNumberDisplay_H
00030 #define LineNumberDisplay_H
00031 
00032 #include <QTextEdit>
00033 
00035 
00038 class LineNumberDisplay: public QTextEdit
00039 {
00040     Q_OBJECT
00041 
00042 public:
00044 
00048     LineNumberDisplay(QTextEdit *te, QWidget *parent = 0);
00049 
00050 public slots:
00051     void updateLineNumbers(bool force = false);
00052     void updateDocumentSelection();
00053 
00054 private slots:
00055     void changeCharFormat (const QTextCharFormat &);
00056 
00057 private:
00058     void showEvent(QShowEvent *);
00059     QTextEdit *d_text_edit;
00060 };
00061 #endif

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