Change Details

Modify `createSpinBox(...)` in order to require a QLabel as an argument, therefore applying `setWhatsThis(toolTip)` to that QLabel is done automatically (and that step does not have to be remembered by developers).

Modify `createSpinBox(...)` in order to require a QLabel as an argument, therefore applying `setWhatsThis(toolTip)` and `setToolTip()` to that QLabel is done automatically (and that step does not have to be remembered by developers).

Modify `createSpinBox(...)` in order to require a QLabel as an argument, therefore applying `setWhatsThis(toolTip)` and `setToolTip()` to therefore applying `setWhatsThis(toolTip)` tothat QLabel is done automatically (and that QLabel is done automaticallystep does not have to (and that step does not have to be remembered by developers).