[racket] Customize world window

It would have to be superclass that implements frame at least but yes, that's doable. 

The question is how to provide access. Initially this thing was for middle/high school 
students and college freshman courses. But I can see the benefit 

-- Matthias



On Oct 29, 2011, at 4:37 PM, Robby Findler wrote:

> One possibility is to have big-bang accept an argument that is a frame
> (or a panel generally) and then people could fit them into their own
> frames and I guess that you could support this without too much work.
> I'd be happy to suggest how to do that with a diff if that would be
> useful.
> 
> Robby
> 
> On Sat, Oct 29, 2011 at 12:38 PM, Matthias Felleisen
> <matthias at ccs.neu.edu> wrote:
>> 
>> On Oct 28, 2011, at 4:22 AM, jvjulien at free.fr wrote:
>> 
>>> Hello,
>>> 
>>> Is it possibile to customize world window (2htdp/universe) ?
>>> 
>>> For example, is it possible to change title window and add GUI controls (sliders, text edit...) ?
>> 
>> 
>> The title is determined by the name clause in big-bang, e.g.,
>> 
>>  (big-bang 0 (to-draw (lambda (x) (text "hello world" 33 'red))) (name "jeeve"))
>> 
>> ;; ---
>> 
>> Otherwise it is impossible to get at the frame that displays the world. It is an instance of a private
>> locally created class with two possible mixins (mouse and key handlers).
>> 
>> The request to get access to this frame in some form or another has surfaced
>> before. I will put it on my todo list, but I do not know yet how to go about this.
>> 
>> -- Matthias
>> 
>> 
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