ccsim/wgtcodeeditor.h

#ifndef WGTCODEEDITOR_H
#define WGTCODEEDITOR_H

#include <QPlainTextEdit>

class WgtCodeEditor : public QPlainTextEdit
{
    Q_OBJECT

public:
    WgtCodeEditor(QWidget *parent = 0);

    void lineNumberAreaPaintEvent(QPaintEvent *event);
    int lineNumberAreaWidth();

protected:
    void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;

private slots:
    void updateLineNumberAreaWidth(int newBlockCount);
    void highlightCurrentLine();
    void updateLineNumberArea(const QRect &, int);

private:
    QWidget *lineNumberArea;
};

#endif // WGTCODEEDITOR_H