Re: Hiding cursor with t_ve in terminal

Brett Stahlman wrote:

> Vim's documentation lists 't_vi' as "cursor invisible" and 't_ve' as
> "cursor visible", but provides no hints on usage. Naively, I would
> have guessed that Vim would send the 't_vi' sequence when you somehow
> indicated that the cursor should be hidden (e.g., using something
> analogous to 'guicursor' for terminals), but there doesn't appear to
> be any such mechanism. The only way I've been able to hide the cursor
> in a terminal is to make the "cursor visible" option empty: e.g.,
>
> set t_ve=
>
> I interpret this behavior as follows: when you tell Vim there's no way
> to make the cursor visible, it immediately uses the 't_vi' option
> value to make it *invisible*. This was less than intuitive to me, and
> I didn't see it documented in the Vim help. Is the behavior
> well-defined? Can anyone give a better explanation of what's happening
> and perhaps the rationale behind it? Have I simply missed the
> pertinent documenation?

Traditionally terminals show the cursor even when drawing text. So on
your 300 baud modem you could see the cursor move ahead of the text that
was displayed. Now that text is drawn instantly, updating the cursor
just becomes flickering. So Vim disables the cursor before drawing
text, and switches it back on when done.

The setting is termcap thing, telling Vim what escape sequence to use.

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