Luckily, the spin box appearance can be changed by Style Sheet.

To get “Wheel Diameter” style spin box, use following style sheet:

QSpinBox { border: 3px inset grey; }

QSpinBox::up-button { subcontrol-position: left; width: 40px; height: 35px;}

QSpinBox::down-button { subcontrol-position: right; width: 40px; height: 35px;}

To get “Pulses per Revolution” style spin box, use following style sheet:

QSpinBox { border: 3px outset grey;padding-right: 40px;}

QSpinBox::up-button { subcontrol-position: right; right: 40px; width: 40px; height: 35px;}

QSpinBox::down-button { subcontrol-position: right; width: 40px; height: 35px;}

To get “Count” style spin box, use following style sheet:

QSpinBox { border: 3px groove gray}

QSpinBox::up-button { subcontrol-position: top right; width: 40px; height: 19px;}

QSpinBox::down-button { subcontrol-position: bottom right; width: 40px; height: 19px;}