jstextarea.h

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#ifndef JSTEXTAREA_H
#define JSTEXTAREA_H
 
#include <QWidget>
#include <QTextEdit>
#include <QSyntaxHighlighter>
 
class Highlighter;
class JSTextArea : public QTextEdit
{
    Q_OBJECT
public:
    explicit JSTextArea(QWidget *parent = 0);
 
signals:
    void executeJS(QString code);
 
public slots:
protected:
    virtual void keyPressEvent ( QKeyEvent * event );
private:
    Highlighter *highlighter;
};
 
// from Qt-Example:
class Highlighter : public QSyntaxHighlighter
  {
      Q_OBJECT
 
  public:
      Highlighter(QTextDocument *parent = 0);
 
  protected:
      void highlightBlock(const QString &text) override;
 
  private:
      struct HighlightingRule
      {
          QRegExp pattern;
          QTextCharFormat format;
      };
      QVector<HighlightingRule> highlightingRules;
 
      QRegExp commentStartExpression;
      QRegExp commentEndExpression;
 
      QTextCharFormat keywordFormat;
      QTextCharFormat classFormat;
      QTextCharFormat singleLineCommentFormat;
      QTextCharFormat multiLineCommentFormat;
      QTextCharFormat quotationFormat;
      QTextCharFormat singleQuotationFormat;
      QTextCharFormat functionFormat;
  };
 
#endif // JSTEXTAREA_H