Method update

launcher/ui/instanceview/VisualGroup.cpp:35–68

}

void VisualGroup::update()
{
    auto temp_items = items();
    auto itemsPerRow = view->itemsPerRow();

    int numRows = qMax(1, qCeil((qreal)temp_items.size() / (qreal)itemsPerRow));
    rows = QVector<VisualRow>(numRows);

    int maxRowHeight = 0;
    int positionInRow = 0;
    int currentRow = 0;
    int offsetFromTop = 0;
    for (auto item: temp_items)
    {
        if(positionInRow == itemsPerRow)
        {
            rows[currentRow].height = maxRowHeight;
            rows[currentRow].top = offsetFromTop;
            currentRow ++;
            offsetFromTop += maxRowHeight + 5;
            positionInRow = 0;
            maxRowHeight = 0;
        }
        auto itemHeight = view->itemDelegate()->sizeHint(view->viewOptions(), item).height();
        if(itemHeight > maxRowHeight)
        {
            maxRowHeight = itemHeight;
        }
        rows[currentRow].items.append(item);
        positionInRow++;
    }
    rows[currentRow].height = maxRowHeight;
    rows[currentRow].top = offsetFromTop;
}

QPair<int, int> VisualGroup::positionOf(const QModelIndex &index) const
{