QEditConstant QEditConstant 0 0 252 115 Edit Constant true unnamed textLabel1 Variable: textLabel2 Value: tqlayout1 unnamed cmdOK &OK true spacer1 Horizontal Expanding 71 20 cmdCancel &Cancel txtConstant 1 Name of the constant (only 1 character but "E") Enter the name of the constant here. User-defined constant names only have 1 character; the constant "E" (Euler number) is reserved. txtValue Enter the constant's value here. The value of a constant can be an expression, for instance PI/2 or sqrt(2). txtConstant lostFocus() QEditConstant txtVariable_lostFocus() txtConstant txtValue cmdCancel cmdOK qeditconstant.ui.h txtVariable_lostFocus() klineedit.h klineedit.h