On 7/25/22 5:33 AM, Bram Moolenaar wrote:
Why doesn't vim apply the Visual highlight to the character *at* the
cursor position in visual mode? Block cursors are nice and all, but
sometimes you're at a tty where you have an underline, and the lack of
highlighting is confusing.
Is there a way to get vim to include the character under the cursor for
visual highlighting?
Short answer: no.
Background: Various terminals behave differently about how the cursor is
displayed. Also the cursor shape may depend on whether the terminal is
in focus or not. To avoid that the cursor disappears (which is a big
problem) the Visual highlighting is not applied to the character under
the cursor.
Okay. Thank you for clarifying this.
That may look a little bit strange (small problem) but
you'll get used to it.
You say that, but it has been annoying me and confusing my friends for
at least 5 years.
That being said, I put the following together for setting the Linux tty
/ VGA cursor size, enabling the use of a block cursor for visual mode.
Regarding my comments, I made some assumptions about vim behavior based
on observations:
" set cursors for linux tty
"
" See:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/Documentation/VGA-softcursor.txt?h=v2.6.12
if &term =~ "linux"
" start insert mode (using standard underline in linux tty)
let &t_SI = "\e[?2c"
" start replace mode (using thick underline in linux tty)
let &t_SR = "\e[?3c"
" end insert or replace mode (block cursor shape)
let &t_EI = "\e[?8c"
" vim only uses t_EI when entering normal mode by leaving insert mode,
" and instead uses t_VS at the very beginning. However, vim doesn't send
" t_VS if t_vs is not also set. Set them both to t_EI so we get a
" block cursor when vim starts.
let &t_vs = &t_EI
let &t_VS = &t_EI
" the default cursor visible/invisible codes include "\e[?c" sequences,
" which reset the cursor shape (preventing t_SI, t_SR, and t_EI from
" working)
let &t_ve = "\e[?25h"
let &t_vi = "\e[?25l"
" reset cursor shape when vim exits
autocmd VimLeave * call echoraw("\e[?c")
endif " &term =~ "linux"
Thank you,
Kyle Marek
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