100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* This file has been copied from Nokia's Qt Examples, with minor modifications
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* made available under the LGPL version 2.1, as the original file was licensed
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*
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****************************************************************************
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****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#ifndef CODEEDITOR_H
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#define CODEEDITOR_H
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#include <QPlainTextEdit>
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#include <QObject>
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QT_BEGIN_NAMESPACE
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class QPaintEvent;
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class QResizeEvent;
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class QSize;
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class QWidget;
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QT_END_NAMESPACE
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class LineNumberArea;
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//![codeeditordefinition]
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class CodeEditor : public QPlainTextEdit
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{
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Q_OBJECT
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public:
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CodeEditor(QWidget *parent = 0);
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void lineNumberAreaPaintEvent(QPaintEvent *event);
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int lineNumberAreaWidth();
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protected:
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void resizeEvent(QResizeEvent *event);
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private slots:
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void updateLineNumberAreaWidth(int newBlockCount);
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void updateLineNumberArea(const QRect &, int);
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private:
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QWidget *lineNumberArea;
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};
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//![codeeditordefinition]
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//![extraarea]
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class LineNumberArea : public QWidget
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{
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public:
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LineNumberArea(CodeEditor *editor) : QWidget(editor) {
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codeEditor = editor;
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}
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QSize sizeHint() const {
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return QSize(codeEditor->lineNumberAreaWidth(), 0);
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}
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protected:
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void paintEvent(QPaintEvent *event) {
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codeEditor->lineNumberAreaPaintEvent(event);
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}
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private:
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CodeEditor *codeEditor;
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};
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//![extraarea]
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#endif
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