Method paint

qrenderdoc/Windows/Dialogs/ConfigEditor.cpp:395–440

}

void SettingDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
                            const QModelIndex &index) const
{
  if(index.column() == SettingModel::Column_ResetButton)
  {
    SDObject *o = (SDObject *)index.data(Qt::UserRole).toULongLong();

    SDObject *def = o->FindChild("default");
    SDObject *val = o->FindChild("value");

    if(val && def && !val->HasEqualValue(def))
    {
      // draw the item without text, so we get the proper background/selection/etc.
      // we'd like to be able to use the parent delegate's paint here, but either it calls to
      // QStyledItemDelegate which will re-fetch the text (bleh), or it calls to the manual
      // delegate which could do anything. So for this case we just use the style and skip the
      // delegate and hope it works out.
      QStyleOptionViewItem opt = option;
      QStyledItemDelegate::initStyleOption(&opt, index);
      opt.text.clear();
      m_Editor->style()->drawControl(QStyle::CE_ItemViewItem, &opt, painter, m_Editor);

      QStyleOptionToolButton buttonOpt;

      int size = m_Editor->style()->pixelMetric(QStyle::PM_SmallIconSize, 0, m_Editor);

      buttonOpt.iconSize = QSize(size, size);
      buttonOpt.subControls = 0;
      buttonOpt.activeSubControls = 0;
      buttonOpt.features = QStyleOptionToolButton::None;
      buttonOpt.arrowType = Qt::NoArrow;
      buttonOpt.state = QStyle::State_Active | QStyle::State_Enabled | QStyle::State_AutoRaise;

      buttonOpt.rect = option.rect.adjusted(0, 0, -1, -1);
      buttonOpt.icon = Icons::arrow_undo();

      if(m_View->currentHoverIndex() == index)
        buttonOpt.state |= QStyle::State_MouseOver;

      m_Editor->style()->drawComplexControl(QStyle::CC_ToolButton, &buttonOpt, painter, m_Editor);
      return;
    }
  }

  return QStyledItemDelegate::paint(painter, option, index);
}

QSize SettingDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{