[racket] How to check if a key is pressed within interaction block, and not declaration one.

From: Oleg Gunkin (oleg.gunkin at gmail.com)
Date: Wed Jul 11 20:46:46 EDT 2012

Got latest nightly build; it works perfectly.
Thank you.

On Wed, Jul 11, 2012 at 5:01 PM, Robby Findler
<robby at eecs.northwestern.edu> wrote:
> This is a bug that I fixed in March, I believe. You can either wait
> for the next release or use one of the nightly builds.
>
> Sorry for the inconvenience.
>
> Robby
>
> On Wed, Jul 11, 2012 at 6:35 PM, Oleg Gunkin <oleg.gunkin at gmail.com> wrote:
>> I use the following language declaration:
>> #lang s-exp framework/keybinding-lang
>>
>> And when I start Dr. Racket, I get:
>>
>> Error when installing the keybindings C:\Users\oleg\Documents\racket-keys.rkt:
>>
>> link: reference (phase 0) to a variable in module "C:\Program
>> Files\Racket\collects\drracket\tool-lib.rkt" that is uninitialized
>> (phase level 0); reference appears in module:
>> "C:\Users\oleg\Documents\racket-keys.rkt" in: drracket:rep:text<%>
>>
>>
>> On Wed, Jul 11, 2012 at 4:17 PM, Robby Findler
>> <robby at eecs.northwestern.edu> wrote:
>>> When you say "crashes Dr. Racket", what do you mean? (What is the
>>> precise error message?)
>>>
>>> Are you using this as a keybinding file?
>>>
>>> On Wed, Jul 11, 2012 at 3:02 PM, Oleg Gunkin <oleg.gunkin at gmail.com> wrote:
>>>> Basically, I want to change up/down key behaviour within interaction
>>>> window to "put-next-sexp"/ "put-previous-sexp" instead moving the
>>>> cursor, but only for interaction block.
>>>>
>>>> This is what I came up with:
>>>>
>>>> (require drracket/tool-lib)
>>>>
>>>> (define (rebind key function original-function)
>>>>   (keybinding
>>>>    key
>>>>    (lambda (editor event)
>>>>      (send
>>>>       (send editor get-keymap)
>>>>       call-function
>>>>       (if (is-a? editor drracket:rep:text<%>)
>>>>           function
>>>>           original-function)
>>>>       editor event #t))))
>>>>
>>>> (rebind "down" "put-next-sexp" "next-line")
>>>> (rebind "up" "put-previous-sexp" "previous-line")
>>>>
>>>> However, (is-a? editor drracket:rep:text<%>) together with (require
>>>> drracket/tool-lib) crashes Dr. Racket. Is there an alternative way to
>>>> do this?
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