| SetDefaultConstraint | The main widget enforces minimum size |
| SetFixedSize | The main widget is fixed to the layout's size and won't resize at all |
| SetMaximumSize | The main widget is set to maximum size and cannot be smaller |
| SetMinAndMaxSize | Size between minimum and maximum size |
| SetMinimumSize | The main widget is set to minimum size and cannot be smaller |
| SetNoConstraint | The widget size ignores minimum and maximum size |