qtdeclarative/examples/quick/quickwidgets/qmlpreviewer/widgets/codeeditor.h

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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef CODEEDITOR_H
#define CODEEDITOR_H
#include <QPlainTextEdit>
class LineNumberArea;
class CodeEditor : public QPlainTextEdit
{
Q_OBJECT
public:
CodeEditor(QWidget *parent = nullptr);
void lineNumberAreaPaintEvent(QPaintEvent *event);
int lineNumberAreaWidth() const;
private:
void setupConnections();
void resizeEvent(QResizeEvent *event) final;
private slots:
void updateLineNumberArea(const QRect &rect, int dy);
void updateLineNumberAreaWidth();
void highlightCurrentLine();
private:
LineNumberArea *m_lineNumberArea = nullptr;
};
#endif // CODEEDITOR_H