>>> Fl_Spinner is a group with an Fl_Input and a few buttons; looks like this:
>>>      _________________
>>>     |             | ^ |
>>>     | input area  |---|
>>>     |_____________|_v_|
>>>
>>> [..]
>>>
>>>     1) Add a color() method to override the invisible Fl_Group::color(),
>>>        and have it call the input's color() instead.
>>>
>>>     2) Make the input and buttons 'protected' instead of 'private'
>>>        so that one can derive classes from it to access the members
>>>        directly.

>> Albrecht:
> I'd vote to do #1 and #2, but not #3.

>> Ian:
> #1 and #2 sound good (ABI issues aside) - not all that keen on #3

        Done: #1 and #2 implemented in r9500.

        Not doing #3 (expose internal widgets with methods)
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