Create a SpinControl widget
completed by: Freeman Lou
mentors: Barrett, jscipione
This task is to create a Spin Control widget for haiku, those requirements should be met :
- The code shall conform to the Haiku Coding Guidelines
- You have to use an appropriate widgets naming (ask your mentor).
- Your widget shall use the haiku's layout kit.
You can optionally start from one of these :
If the task will be more big than expected, you can ask your mentors to create a second part of the task, if needed.