Function AddFilterSelections

qrenderdoc/Windows/EventBrowser.cpp:3685–3725

}

void AddFilterSelections(QTextCursor cursor, int &idx, QColor backCol, QColor foreCol,
                         QVector<FilterExpression> &exprs, QList<QTextEdit::ExtraSelection> &sels)
{
  QTextEdit::ExtraSelection sel;

  sel.cursor = cursor;

  bool hasMust = false;
  for(const FilterExpression &f : exprs)
    hasMust |= (f.matchType == MatchType::MustMatch);

  for(FilterExpression &f : exprs)
  {
    bool ignored = false;
    if(hasMust && f.matchType == MatchType::Normal)
      ignored = true;

    // we use 6 colours around the wheel to get reasonable distinction. Note that this is not
    // critical information and selecting each entry will underline it in the phrase, since we want
    // to be colour blind friendly where possible.
    // we avoid the 60 degrees near red (which is at 0) to avoid confusion with errors.
    QColor col = QColor::fromHslF((float(idx) / 6.0f) * (300.0f / 360.0f) + (0.5f / 6.0f),
                                  ignored ? 0.0f : 1.0f,
                                  qBound(0.05, 0.2 * 0.5 + 0.8 * backCol.lightnessF(), 0.95));

    idx = (idx + 1) % 6;

    f.col = col;

    sel.cursor.setPosition(f.position, QTextCursor::MoveAnchor);
    sel.cursor.setPosition(f.position + f.length, QTextCursor::KeepAnchor);
    sel.format.setBackground(QBrush(col));
    sel.format.setForeground(QBrush(contrastingColor(col, foreCol)));
    sel.format.setFontStrikeOut(ignored);

    sels.push_back(sel);

    if(!ignored)
      AddFilterSelections(cursor, idx, backCol, foreCol, f.exprs, sels);
  }
}

ParseErrorTipLabel::ParseErrorTipLabel(QWidget *widget) : QLabel(NULL), m_Widget(widget)
{