[plt-scheme] DrScheme, detecting frame activation and deactivation, where should I look next?

Source code. [For someone who's learning Scheme, you are ambitious.]  
-- Matthias


On May 15, 2007, at 9:21 AM, Grant Rettke wrote:

> On 5/15/07, Matthew Flatt <mflatt at cs.utah.edu> wrote:
>> At Mon, 14 May 2007 23:05:08 -0500, "Grant Rettke" wrote:
>> > My goal is to detect DrScheme frame activation and deactivation.
>>
>> You'll want to override the `on-activate' method in the DrScheme  
>> frame.
>> It will go something like this, I think:
>>
>>  (define (activate-frame-mixin %)
>>    (class %
>>      (define-override (on-activate? active?)
>>        ...
>>        (super on-activate? active?))
>>      (super-new)))
>>
>>  (drscheme:get/extend:extend-unit-frame activate-frame-mixin)
>
> Should I be looking for an answer to something like this in the
> documentation? Or in the source code?
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