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codeeditor.h
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codeeditor.h
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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CODEEDITOR_H
#define CODEEDITOR_H
#include <QPlainTextEdit>
#include <QObject>
#include <simulationrun.h>
class QPaintEvent;
class QResizeEvent;
class QSize;
class QWidget;
class LineNumberArea;
class CodeEditor : public QPlainTextEdit {
Q_OBJECT
public:
CodeEditor(QWidget *parent = 0);
QList<QColor> colorList;
QStringList errors;
QList<SimulationRun::proc> procList;
void clear();
void lineNumberAreaPaintEvent(QPaintEvent *event);
void HighlightErrorLines(QStringList lineNos);
void HighlightProcesses(QList<SimulationRun::proc> procs);
int lineNumberAreaWidth();
public slots:
void setWordWrap(bool wrap);
void updateHighlights();
protected:
void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
private slots:
void updateLineNumberAreaWidth(int newBlockCount);
QList<QTextEdit::ExtraSelection> highlightCurrentLine();
void updateLineNumberArea(const QRect &, int);
private:
QWidget *lineNumberArea;
QList<QTextEdit::ExtraSelection> procesSelections();
QList<QTextEdit::ExtraSelection> errorSelections();
};
class LineNumberArea : public QWidget {
public:
LineNumberArea(CodeEditor *editor) : QWidget(editor) {
codeEditor = editor;
}
QSize sizeHint() const Q_DECL_OVERRIDE {
return QSize(codeEditor->lineNumberAreaWidth(), 0);
}
protected:
void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE {
codeEditor->lineNumberAreaPaintEvent(event);
}
private:
CodeEditor *codeEditor;
};
#endif