[plt-scheme] DrScheme, detecting frame activation and deactivation, where should I look next?
Probably just a typo, but you'll want define/override, I think.
Robby
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)
>
> Matthew
>
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