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Re: My (so far short) experience with TeXmacs and a question about shortcuts


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  • From: Frank <address@hidden>
  • To: address@hidden
  • Subject: Re: My (so far short) experience with TeXmacs and a question about shortcuts
  • Date: Wed, 30 Jun 2021 10:31:26 +0200
Hi Joris,

By the way,

Yes, documentation is missing on this issue;
the integrated shortcut editor is fairly new.

Basically, you can attach Scheme commands to shortcuts,
like you did with kbd-map.

Is it possible to print out all keybindings that exists on the current
setting? That is to say, to generate an automatic help page for all
keybindings (including the user-defined ones).

Best,
Frank

On 6/30/21, TeXmacs wrote:
Hi Pierre-Henri,

On Sun, Jun 27, 2021 at 09:21:24AM +0200, Pierre-Henri Jondot wrote:
For matrices, the shortcuts C-arrows to add new lines and columns is
absolutely needed, but by default it conflicts with macos already defined
shortcuts ( it changes spaces). I tried emacs style keymapping in TeXmacs,
but it didn't help much as I lost the ability to enter a large centered math
equation. Indeed, option+$ on a french layout gives the euro € char.

Yes, the keyboard under MacOS is somewhat a pain.

I personally redefined many built-in shortcuts using
the joint modifier keys Control+Option+Command,
so that they never conflict with TeXmacs.

It might be there is an easy way to adjust standard keyboard shortcuts, but to be
honest, I've not been able to find it yet. I had some hope with the
Tools->Keyboard->Edit shortcuts (something like that I suppose in English)
but I couldn't find how one uses that...

Yes, documentation is missing on this issue;
the integrated shortcut editor is fairly new.

Basically, you can attach Scheme commands to shortcuts,
like you did with kbd-map. Also, when you are inside
an environment such as 'theorem', you can create
a shortcut for inserting that environment using

Focus -> Preferences -> Create shortcut

In general, it still assumes that you know the appropriate
Scheme commands, which might not be extremely user-friendly
for newcomers. Ideas for a simpler interface are welcome.

I went the easy way for the time being, disabling macos shortcuts, and
staying with Mac OS style for keyboard shortcuts within TeXmacs.

Then I configured a few shortcuts by adding to my-init-texmacs.scm :

(kbd-map
("t t t" (make 'theorem))
("f f f" (make 'folded-env))
("p p p" (make 'proposition))
("e e e" (make 'exercise))
("s s s" (make 'solution*))
)

It works... somewhat, but is most probably not the right way to do it...

Yes, this is perfectly reasonable. The only minor thing I see is that,
with your scheme to repeat the same letter thrice, you may quickly
run out of letters.

especially as regards the folded-env... It works like this : I hit three
times f, then enter, then I add my theorem or exercise, then I unfold and add
the solution or demonstration (for which I'll need another shortcut of
course, but I'm not there yet...)

Note that you may use the shortcut C-* (Emacs profile) to unfold.

That was not what I had in mind. I wanted to use the capslock which I
redefined, with the help of Karabiner, to serve as a shift+control+option
modifier (which I then use in karabiner to have quicker access to \ [ ] { }
which are a bit of a pain on a macos keyboard...), so I would have liked that
hitting capslock-f (which translates to shift+control+command-f) to begin a
folded environment. Instead I hit thrice f for the time being, which is quite
usable, but I'd be curious to know what I would have needed to write for it
to work. I tried quite a few things, but I was not successful.

If you manage to let TeXmacs receive the correct keyboard code,
then you may look at the file 'prefix-kbd.scm'
which defines default rewriting rules of this kind.

Best wishes, --Joris


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