ConstraintWidgetUI 0 0 597 607 Constrained and Simultaneous Fit Source choice for simultaneous fitting Single fits true Batch fits Chained fit Qt::Horizontal 18 17 0 0 Qt::ActionsContextMenu true QAbstractItemView::SelectRows Constraints Special cases None Qt::Horizontal 40 20 Define constraints between two fit pages. Add constraints 0 0 Qt::ActionsContextMenu Qt::Horizontal 273 20 0 0 75 23 Perform simultaneous fitting of selected fit pages. Fit 0 0 75 23 Display help on constrained and simultaneous fitting. Help