Can you read the value of `showcmd` in a vimscript function?

Asked Aug 07 '20 at 22:17

Active Aug 09 '20 at 06:17

Viewed 76 times

I don't know how to make any vimscript I'm writing or running aware of what my pending command is!

Specifically: When I hit ^W in preparation to change the window I'm selecting, I'd like to have my statusbar reflect that.

edited Aug 09 '20 at 06:17

guntbert

asked Aug 07 '20 at 22:17

Ari Sweedler

You can check the value of the option in an expression using &showcmd, but that just tells you whether its on or off—afaik there’s no way to tell what’s already been typed. (You could create a mapping.. i might have an idea for you there. ) – D. Ben Knoble Aug 08 '20 at 03:37
A mapping would work to add state, and maybe a BufEnter autocmd to remove state would work... I don’t love how hacky that is though :P – Ari Sweedler Aug 08 '20 at 03:53
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No, i would map control w to do what it normally does plus whatever you want to do – D. Ben Knoble Aug 08 '20 at 03:55
Very similar: Can I see the history of key presses in normal mode? and showcmd on first line instead of last line – last time I looked at this the answer was "no, this isn't possible" as far as I could figure out (see my answer on that last one). – Martin Tournoij Aug 10 '20 at 22:12
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Like you said, a mapping could work, but I can't really think of a good way to clear the state without redefining a lot of mappings. The way ^W<key> works internally btw is that ^W is mapped and then it has a long switch (second_key) { ... } for the second key press to call the correct functionality. It's all pretty hard-coded in a non-generic way. – Martin Tournoij Aug 10 '20 at 22:19

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