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 /*************************************************************************** | 
 
 
 
 
 
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     File                 : LineNumberDisplay.h | 
 
 
 
 
 
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     Project              : QtiPlot | 
 
 
 
 
 
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     -------------------------------------------------------------------- | 
 
 
 
 
 
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     Copyright            : (C) 2008 by Ion Vasilief | 
 
 
 
 
 
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     Email (use @ for *)  : ion_vasilief*yahoo.fr | 
 
 
 
 
 
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     Description          : A widget displaying line numbers for a QTextEdit | 
 
 
 
 
 
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  | 
 
 
 
 
 
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  ***************************************************************************/ | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 /*************************************************************************** | 
 
 
 
 
 
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  *                                                                         * | 
 
 
 
 
 
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  *  This program is free software; you can redistribute it and/or modify   * | 
 
 
 
 
 
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  *  it under the terms of the GNU General Public License as published by   * | 
 
 
 
 
 
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  *  the Free Software Foundation; either version 2 of the License, or      * | 
 
 
 
 
 
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  *  (at your option) any later version.                                    * | 
 
 
 
 
 
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  *                                                                         * | 
 
 
 
 
 
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  *  This program is distributed in the hope that it will be useful,        * | 
 
 
 
 
 
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  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         * | 
 
 
 
 
 
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  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          * | 
 
 
 
 
 
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  *  GNU General Public License for more details.                           * | 
 
 
 
 
 
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  *                                                                         * | 
 
 
 
 
 
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  *   You should have received a copy of the GNU General Public License     * | 
 
 
 
 
 
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  *   along with this program; if not, write to the Free Software           * | 
 
 
 
 
 
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  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    * | 
 
 
 
 
 
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  *   Boston, MA  02110-1301  USA                                           * | 
 
 
 
 
 
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  *                                                                         * | 
 
 
 
 
 
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  ***************************************************************************/ | 
 
 
 
 
 
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 #ifndef LineNumberDisplay_H | 
 
 
 
 
 
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 #define LineNumberDisplay_H | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #include <QTextEdit> | 
 
 
 
 
 
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 #include <QTextBlock> | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 //! A QTextEdit displaying line numbers. | 
 
 
 
 
 
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 /** | 
 
 
 
 
 
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  * It must be used in connection with another "source" QTextEdit. | 
 
 
 
 
 
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  */ | 
 
 
 
 
 
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 class LineNumberDisplay: public QTextEdit | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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     Q_OBJECT | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 public: | 
 
 
 
 
 
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         //! Constructor | 
 
 
 
 
 
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         /** | 
 
 
 
 
 
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         * \param te the "source" QTextEdit for which we want to display the line numbers | 
 
 
 
 
 
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         * \param parent parent widget (only affects placement of the dialog) | 
 
 
 
 
 
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         */ | 
 
 
 
 
 
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         LineNumberDisplay(QTextEdit *te, QWidget *parent = 0); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 public slots: | 
 
 
 
 
 
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         void updateLineNumbers(bool force = false); | 
 
 
 
 
 
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         void updateDocumentSelection(); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 private slots: | 
 
 
 
 
 
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         void changeCharFormat (const QTextCharFormat &); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 private: | 
 
 
 
 
 
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         void showEvent(QShowEvent *); | 
 
 
 
 
 
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         QTextEdit *d_text_edit; | 
 
 
 
 
 
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 }; | 
 
 
 
 
 
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 #endif |