MolcalcWidgetBase MolcalcWidgetBase 0 0 2180 400 unnamed 11 6 formulaEdit buttonCalc Calc line1 HLine Sunken Horizontal resultComposition 14 1 AlignCenter spacer5_2 Vertical MinimumExpanding 20 10 resultLabel resultMass buttonCalc pressed() this slotCalcButtonClicked() formulaEdit returnPressed(const QString&) this slotCalcButtonClicked() slotCalcButtonClicked() klineedit.h kpushbutton.h