<erkin>
I want to be able to read/write a colour value to a file through get-preference and put-preferences, but since color% has no printable form, I can't serialise it directly short of overriding it to add a printer method.
<erkin>
Since colours take three bytes, I think it would be too much of a hassle to save each colour's red, green and blue values separately and assemble them with boilerplate.
<erkin>
What should I do?
<erkin>
Oh wait, I can just store them as a list.
<erkin>
Sometimes I feel really stupid.
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<greghendershott>
rudybot: later tell CodeArtisan You can use @"@" to insert a @ in Scribble.
<rudybot>
greghendershott: I asked `MemoServ' to forward the message to CodeArtisan.
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<ShalokShalom>
hi there
<ShalokShalom>
has Racket higher order modules?
<ShalokShalom>
such as in OCaml
<bremner>
rudybot: doc units
<rudybot>
bremner: your sandbox is ready
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<rudybot>
bremner: not found in any library's documentation: units
<bremner>
sigh.
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<bremner>
ShalokShalom: anyway, have a look at units. They might be related to your question.
<ShalokShalom>
ahm...
<ShalokShalom>
thanks
<ShalokShalom>
I guess..
<ShalokShalom>
So they can do exactly the same?
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<bremner>
I don't know enough about either to give a good answer to that question.
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<clacke_movim>
ShalokShalom: It sounds like OCaml modules are first-class objects that you can do operations on and combine in interesting ways? Racket units are not exactly like that, I don't know if any other language has it.
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<clacke_movim>
So they seem to be somewhat like what you are looking for, there's even a (compound-unit) form.
<clacke_movim>
Thanks for inspiring me to look this up. :-)
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<nisstyre>
Does anyone have any experience writing distributed apps in Racket? (i.e. serializing and passing messages between different Racket processes, potentially on different machines)
<nisstyre>
Just curious if there is anything built for that
<soegaard>
tonyg: !
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<erkin>
Is there a way to implement a keybindings for the whole window?
<soegaard>
what is the context?
<erkin>
keymap% can be attached to an editor<%> only and I'm setting the editor-canvas% 'no-focus to make it read-only for the user which disables the keymap%.
<erkin>
I can attach shortcuts to menu-item%s but I don't want to put every keybinding into a menu-item%, not to mention they don't work without modifier keys.
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<erkin>
Essentially, I want to send a key-event% to the frame% and make it trigger a callback before being delegated to child components, without augmenting/extending the class.
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<soegaard>
Can you put the editor in a frame and then use on-subwindow-char (see docs for frame% )
<erkin>
Wouldn't I need to reimplement on-subwindow-char? The callback mechanism is embedded into frame%'s definition (or (send this on-menu-char event) ...)
<soegaard>
Yes you need to subclass frame% in order to override the old behaviour. But if you need to use the old behaviour you can call the super.
<erkin>
Ah, I guess that's inevitable then.
<erkin>
Thanks
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