Class BasicEditor

gui/qt/basiccodeviewerwindow.h:58–80

class BasicEditor : public QPlainTextEdit
{
    Q_OBJECT

public:
    BasicEditor(QWidget *parent = nullptr);

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

protected:
    void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;

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

private:
    QWidget *lineNumberArea;
    BasicHighlighter *highlighter;
};

class LineNumberArea : public QWidget
{