Allow entry in QLineEdit only within range of QDoubleValidator

Question

I have a set of QLineEdits that are supposed to accept double values within a certain range, (e.g., -15 to 15).

I have something along these lines when

Answer 1

Here is a workaround: you can simply use QDoubleSpinBox with its buttonSymbols set to NoButtons, which would looks like a QLineEdit but you can set its range with native setMinimum(double min) and setMaximum(double max).

This method is directly available in Qt Designer.