QFitRangeCutWidget 0 0 600 480 Range cut 10 110 80 20 Num points false 90 110 55 22 999 4 160 110 130 20 exclude range cut 10 140 270 220 3 2 1 2 3 X coordinate Y coordinate QFitNamedWidget.h NumPointsSpin valueChanged(int) QFitRangeCutWidget NumPointsSpin_valueChanged(int) ExcludeCutChk toggled(bool) QFitRangeCutWidget ExcludeCutChk_toggled(bool) XYTable cellChanged(int,int) QFitRangeCutWidget XYTable_valueChanged(int,int)