On 6 October 2015 at 01:45, Aman <[email protected]> wrote: > > Thanks Laurent and Paolo. When you say (send a-text insert string), how are > you getting a-text ?
> What I wanted was not to design a new editor window, but to modify or 'send' > some command to current editor (the default one when we launch DrRacket) to > clear some content or scroll down to hide the content, but I am not able to > find a way to get handle for editor%, text% or anything else that can be > helpful while executing 'send' Yeah, a very good question, that's why I asked Laurent for his "quick attempt" :-). The two ways I can imagine are writing a plugin or modifying DrRacket, and I expect the latter to be easier; my only experience is modifying a DrRacket plugin, and I don't think this is quick, but it's possible. For that, I think you want to look at drracket:get/extend:extend-interactions-text. To be in the context to do that, see http://docs.racket-lang.org/tools/implementing-tools.html and the examples shown there using drracket:get/extend:extend-definitions-text. Below's I'll give an outline anyway of what I actually did, in case it's helpful — though the docs are probably better. == I've been hacking a DrRacket plugin (the handin client), where I use something more complex because I assumed I only had a editor% (so I used insert-port). My call is in https://github.com/racket/handin/pull/27/files#diff-cf0f873382d5f6c351cee18d851376c3R734; the code around it does a number of potentially useful things. The starting point is the call drracket:get/extend:extend-unit-frame, in the context of (define tool@ (unit (import drracket:tool^) (export drracket:tool-exports^) ... drracket:get/extend:extend-unit-frame subclasses the unit-frame DrRacket component, and inside it you can call get-definitions-text and get-interactions-text to get access to the two text%. For that, refer to the docs extensively, starting from http://docs.racket-lang.org/tools/, its index, and the introduction into how to do a plugin. By doing that, I just found out about drracket:get/extend:get-interactions-text, which allows you to subclass the interactions-text directly. While this is a lot, I've found I managed to get something done without needing to understand every detail, also thanks to Racket syntax-check. It's sad it doesn't understand units as well as the rest. (OTOH, I'm scared that I'm writing code without understanding every single line around it. I usually never do that, but I'm new at Racket). Cheers, Paolo > On Monday, 5 October 2015 12:51:05 UTC-5, Paolo Giarrusso wrote: > > On Monday, October 5, 2015 at 10:56:50 AM UTC+2, Laurent Orseau wrote: > > > I don't think there is anything like this right now, but in case anyone > > > wants to do that, my first impression is, that such a command should not > > > completely erase the previous content but only hide it (by scrolling down > > > for example). I tried very quickly to do that using `set-position` of > > > `text%` but I couldn't make it leave a blank space after the cursor > > > position when at the end of the editor. > > > > I'm guessing you (or who does this) will need to insert whitespace > > (newlines) with some insert method, after setting the position, probably > > with > > (send a-text insert string) > > > > You'll also need to act on the editor-canvas% to scroll it down (text% > > can't do that because it's just a MVC Model, while editor-canvas% is the > > corresponding View). (It seems you'll have to call allow-scroll-to-last and > > scroll-to). > > > > I can't do the rest myself because I haven't learned enough APIs to "try > > something quickly" — only hacked slowly a plugin. But if you share your > > attempt I might be able to try. > > > > Cheers, > > Paolo > > > > > On Sun, Oct 4, 2015 at 6:28 PM, Aman <[email protected]> wrote: > > > Hi all, > > > > > > > > > > > > I am new to DrRacket. I am using swindle language and want to know a way > > > so that I can clear my evaluation window(interaction window) after I do > > > some direct runs there. > > > > > > > > > > > > For example if i run following > > > > > > > > > > > > > (define a 3) > > > > > > > (define b 2) > > > > > > > > > > > > Now i want something like > > > > > > > clear > > > > > > which could clear the window but still keep a and b in environment > > > (memory). Is it possible somehow? > > > > > > > > > > > > After going through a lot of posts all I was able to figure out was to > > > hit "Run" and use "Esc:p" to again load the needed commands which seems > > > to me a very bad way. > > > > > > > > > > > > Thanks! > > > > > > > > > > > > -- > > > > > > You received this message because you are subscribed to the Google Groups > > > "Racket Users" group. > > > > > > To unsubscribe from this group and stop receiving emails from it, send an > > > email to [email protected]. > > > > > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to a topic in the Google > Groups "Racket Users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/racket-users/_XWopH-iMNw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. -- Paolo G. Giarrusso - Ph.D. Student, Tübingen University http://ps.informatik.uni-tuebingen.de/team/giarrusso/ -- Paolo G. Giarrusso - Ph.D. Student, Tübingen University http://ps.informatik.uni-tuebingen.de/team/giarrusso/ -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
