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