Wednesday, July 6, 2011

Re: Caps Lock indication

Thanks for your attention and explanation Tony. So I will continue to
guess Caps Lock state looking at mess on my screen :) and try to find
another appropriate solution of my problem.

Best regards,
Golubev Mikhail

On 6 июл, 19:01, Tony Mechelynck <antoine.mechely...@gmail.com> wrote:
> On 06/07/11 16:01, Михаил Голубев wrote:
>
> > Hello to everyone.
>
> > I want to write small function for my 'statusline' option, so it shows
> > whether Caps Lock button was pressed or not. I work on laptop and
> > "analog" led indicator is right under my wrist so I don't see it at all.
> > Do you have any assumptions how this can be done?
>
> > Thanks in advance!
>
> > Best regards,
> > Golubev Mikhail
>
> Short answer: It can't.
>
> Long answer: Vim cannot tell the current Caps Lock / Shift Lock / Scroll
> Lock state, it doesn't know when a key was released but only that it was
> pressed, and it doesn't know the Shift / Scroll / Alt state except
> sometimes (and not always in a way that vimscript can read) when some
> "ordinary" key gets pressed. And to make everything even more complex,
> there are some keys or key combinations that Vim never sees because they
> are snatched away before it can get them (e.g. on KDE Ctrl-F7 means
> "switch to virtual desktop #7", on Linux Ctrl-Alt-F5 means "switch to
> virtual text console #5 aka /dev/tty5); and in console mode it is also
> dependent on the underlying terminal for what, if anything, if will see
> for any particular key or key combination: for instance it is a well
> known (and intentional) fact that Shift makes no difference in
> conjunction with Ctrl-A to Ctrl-Z.
>
> Best regards,
> Tony.
> --
> World War Three can be averted by adherence to a strictly enforced
> dress code!

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