| 1 | /***************************************************************************
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| 2 | File : LineNumberDisplay.h
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| 3 | Project : QtiPlot
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| 4 | --------------------------------------------------------------------
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| 5 | Copyright : (C) 2008 by Ion Vasilief
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| 6 | Email (use @ for *) : ion_vasilief*yahoo.fr
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| 7 | Description : A widget displaying line numbers for a QTextEdit
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| 8 |
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| 9 | ***************************************************************************/
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| 10 |
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| 11 | /***************************************************************************
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| 12 | * *
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| 13 | * This program is free software; you can redistribute it and/or modify *
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| 14 | * it under the terms of the GNU General Public License as published by *
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| 15 | * the Free Software Foundation; either version 2 of the License, or *
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| 16 | * (at your option) any later version. *
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| 17 | * *
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| 18 | * This program is distributed in the hope that it will be useful, *
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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| 21 | * GNU General Public License for more details. *
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| 22 | * *
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| 23 | * You should have received a copy of the GNU General Public License *
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| 24 | * along with this program; if not, write to the Free Software *
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| 25 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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| 26 | * Boston, MA 02110-1301 USA *
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| 27 | * *
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| 28 | ***************************************************************************/
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| 29 | #ifndef LineNumberDisplay_H
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| 30 | #define LineNumberDisplay_H
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| 31 |
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| 32 | #include <QTextEdit>
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| 33 | #include <QTextBlock>
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| 34 |
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| 35 | //! A QTextEdit displaying line numbers.
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| 36 | /**
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| 37 | * It must be used in connection with another "source" QTextEdit.
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| 38 | */
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| 39 | class LineNumberDisplay: public QTextEdit
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| 40 | {
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| 41 | Q_OBJECT
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| 42 |
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| 43 | public:
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| 44 | //! Constructor
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| 45 | /**
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| 46 | * \param te the "source" QTextEdit for which we want to display the line numbers
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| 47 | * \param parent parent widget (only affects placement of the dialog)
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| 48 | */
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| 49 | LineNumberDisplay(QTextEdit *te, QWidget *parent = 0);
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| 50 |
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| 51 | public slots:
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| 52 | void updateLineNumbers(bool force = false);
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| 53 | void updateDocumentSelection();
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| 54 |
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| 55 | private slots:
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| 56 | void changeCharFormat (const QTextCharFormat &);
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| 57 |
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| 58 | private:
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| 59 | void showEvent(QShowEvent *);
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| 60 | QTextEdit *d_text_edit;
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| 61 | };
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| 62 | #endif
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