Method data

qrenderdoc/Windows/BufferViewer.cpp:998–1361

  }

  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override
  {
    if(index.isValid())
    {
      if(role == Qt::SizeHintRole)
      {
        QStyleOptionViewItem opt = view->viewOptions();
        opt.features |= QStyleOptionViewItem::HasDisplay;

        // pad these columns to allow for sufficiently wide data
        if(index.column() < reservedColumnCount())
          opt.text = lit("4294967295");
        else
          opt.text = data(index).toString();

        opt.text.replace(QLatin1Char('\n'), QChar::LineSeparator);

        opt.styleObject = NULL;

        QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
        return style->sizeFromContents(QStyle::CT_ItemViewItem, &opt, QSize(), opt.widget);
      }

      uint32_t row = index.row();
      int col = index.column();

      if(config.pagingOffset > 0)
      {
        if(row == 0)
        {
          if(role == Qt::DisplayRole)
            return lit("...");
          return QVariant();
        }
        row--;
      }

      if(role == columnGroupRole)
      {
        if(col < reservedColumnCount())
          return -1 - col;
        else
          return columnLookup[col - reservedColumnCount()];
      }

      if((role == Qt::BackgroundRole || role == Qt::ForegroundRole) && col >= reservedColumnCount())
      {
        if(meshView)
        {
          int elIdx = columnLookup[col - reservedColumnCount()];
          int compIdx = componentForIndex(col);

          float lightnessOn = qBound(0.25, view->palette().color(QPalette::Base).lightnessF(), 0.75);
          float lightnessOff = lightnessOn > 0.5f ? lightnessOn + 0.2f : lightnessOn - 0.2f;

          static float a = 0.55f;
          static float b = 0.8f;