Re: [Texmacs-dev] Completion Framework for TeXmacs

[Massimiliano Gubinelli]

Dear Owen, 

I'm not familiar with Ivy/Helm. Can you briefly describe what you would like to 
obtain? On one side TeXmacs provides already scheme sessions embedded in a 
document. So you could simply either have a document with code which can be 
sequentially (re)evaluated (a la jupyter notebook or mathematica files). If you 
want to have, on one side a scheme file and on another a buffer where to 
evalute, I would try to create a new document with a session and then come glue 
code in scheme which allows to select part of a scheme file and send them to 
the other document for evaluation. This should not be too difficult. 

Note that with scheme you can also programmatically create dialogs (but not 
full fledged editor windows yet). However there are a couple of widgets you 
could be interested in : one is texmacs-input and the other texmacs-output. The 
second allows to render arbitrary documents, while the first is a full editor, 
but you do not get the toolbars nor the menus...
You can see some examples in TeXmacs/progs/kernel/gui/menu-test.scm


for example, open a scheme session and then do

(show (widget6))

to see the two widgets I mentioned above in action.


Best
Max


> On 15. Jan 2021, at 23:21, Owen Lynch <oclynch888@gmail.com> wrote:
> 
> I guess the real thing to have here is a fully-scriptable, multiline 
> minibuffer widget. Is this already somewhere in the code?
> 
> -Owen
> 
> Excerpts from Owen Lynch's message of januari 15, 2021 11:15 pm:
>> After more digging, it seems like this would have to be done in a similar 
>> manner to the "smart-file" input method, which is hard-coded into the 
>> TeXmacs input system, in Plugins/Widkit/Input/input_widget.cpp.
>> 
>> Is there a more flexible way of doing this? I.e., in pure scheme rather than 
>> having to rewrite the C++, just like Ivy/Helm is in pure elisp?
>> 
>> -Owen
>> 
>> Excerpts from Owen Lynch's message of januari 15, 2021 9:37 pm:
>>> Hello all,
>>> 
>>> Couple questions.
>>> 
>>> Is there anything for TeXmacs that works in an analogous way to Ivy/Helm 
>>> from emacs?
>>> 
>>> Also, when editing a scheme file, is it possible to evaluate parts of it, 
>>> like one would do with C-x C-e from emacs?
>>> 
>>> Thanks!
>>> -Owen
>>> 
>> 
> 
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