100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
|
/****************************************************************************
|
||
|
|
**
|
||
|
|
** 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>
|
||
|
|
|
||
|
|
class QPaintEvent;
|
||
|
|
class QResizeEvent;
|
||
|
|
class QSize;
|
||
|
|
class QWidget;
|
||
|
|
|
||
|
|
class LineNumberArea;
|
||
|
|
|
||
|
|
class ScriptEditWidget : public QPlainTextEdit
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
signals:
|
||
|
|
void scriptChanged(const QString &script);
|
||
|
|
public:
|
||
|
|
ScriptEditWidget(QWidget *parent=0);
|
||
|
|
|
||
|
|
void lineNumberAreaPaintEvent(QPaintEvent *event);
|
||
|
|
int lineNumberAreaWidth();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void resizeEvent(QResizeEvent *event);
|
||
|
|
|
||
|
|
private slots:
|
||
|
|
void updateLineNumberAreaWidth(int newBlockCount);
|
||
|
|
void highlightCurrentLine();
|
||
|
|
void updateLineNumberArea(const QRect &, int);
|
||
|
|
|
||
|
|
private:
|
||
|
|
QWidget *m_lineNumberArea;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
class LineNumberArea : public QWidget
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
LineNumberArea(ScriptEditWidget *editor) : QWidget(editor) {
|
||
|
|
m_codeEditor = editor;
|
||
|
|
}
|
||
|
|
|
||
|
|
QSize sizeHint() const {
|
||
|
|
return QSize(m_codeEditor->lineNumberAreaWidth(), 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void paintEvent(QPaintEvent *event) {
|
||
|
|
m_codeEditor->lineNumberAreaPaintEvent(event);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
ScriptEditWidget *m_codeEditor;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|