renderObjectHighLighter.hh

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#pragma once

#include <QSyntaxHighlighter>

#include <QHash>
#include <QTextCharFormat>
#include <QTextEdit>
#include <QTextDocument>

class RenderObjectHighlighter : public QSyntaxHighlighter
{
  Q_OBJECT

  public:
    explicit RenderObjectHighlighter( QTextDocument* parent = 0);
    explicit RenderObjectHighlighter( QTextEdit* parent);

    void update();

  protected:

    void highlightBlock(const QString &text);

  private:
    void init();

    struct HighlightingRule
    {
      QRegExp pattern;
      QTextCharFormat format;
    };



    // Single line rules
    QStringList keywordPatterns_;
    QStringList typePatterns_;

    // All single line rules combined with their format
    QVector<HighlightingRule> highlightingRules_;

    // Multi line rules
    QRegExp vertexShaderStartExpression_;
    QRegExp vertexShaderEndExpression_;

    QRegExp geometryShaderStartExpression_;
    QRegExp geometryShaderEndExpression_;

    QRegExp fragmentShaderStartExpression_;
    QRegExp fragmentShaderEndExpression_;

    // Single formats
    QTextCharFormat keywordFormat_;
    QTextCharFormat defineFormat_;
    QTextCharFormat typeFormat_;

    QTextCharFormat singleLineCommentFormat_;

    // Multi Line formats
    QTextCharFormat vertexShaderFormat_;
    QTextCharFormat geometryShaderFormat_;
    QTextCharFormat fragmentShaderFormat_;

};