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patch 9.1.1757: The colorresp plugin causes additional redraws

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Problem:  The colorresp plugin causes additional redraws
          (Linwei, after v9.1.1703)
Solution: Move the code back into the C core and get rid of the vim
          plugin (Foxe Chen)

fixes: #18251
closes: #18279

Signed-off-by: Foxe Chen <chen.foxe@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Foxe Chen
2025-09-14 04:38:33 -04:00
committed by Christian Brabandt
parent c975d62473
commit c077f5e9d8
13 changed files with 251 additions and 170 deletions
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1
runtime/plugin/README.txt
View File

@ -3,7 +3,6 @@ The plugin directory is for standard Vim plugin scripts.
All files here ending in .vim will be sourced by Vim when it starts up.
Look in the file for hints on how it can be disabled without deleting it.
colorresp.vim used to detect terminal background and foreground colours
getscriptPlugin.vim get latest version of Vim scripts
gzip.vim edit compressed files
logiPat.vim logical operators on patterns

51
runtime/plugin/colorresp.vim
View File

@ -1,51 +0,0 @@
vim9script
# Vim plugin for setting the background and foreground colours depending on
# the terminal response.
#
# Maintainer: The Vim Project <https://github.com/vim/vim>
# Last Change: 2025 Sep 05
if exists("g:loaded_colorresp")
finish
endif
g:loaded_colorresp = 1
augroup ColorResp
au!
au TermResponseAll osc {
var parts: list<string> = matchlist(v:termosc, '\(\d\+\);rgb:\(\w\+\)/\(\w\+\)/\(\w\+\)')
if len(parts) >= 5
var type: string = parts[1]
var rval: number = str2nr(parts[2][: 1], 16)
var gval: number = str2nr(parts[3][: 1], 16)
var bval: number = str2nr(parts[4][: 1], 16)
if type == '11'
# Detect light or dark background by parsing OSC 11 RGB background reply
# from terminal. Sum the RGB values roughly; if bright enough, set
# 'background' to 'light', otherwise set it to 'dark'.
var new_bg_val: string = (3 * char2nr('6') < char2nr(parts[2]) + char2nr(parts[3]) + char2nr(parts[4])) ? "light" : "dark"
v:termrbgresp = v:termosc
&background = new_bg_val
# For backwards compatibility
if exists('#TermResponseAll#background')
doautocmd <nomodeline> TermResponseAll background
endif
else
v:termrfgresp = v:termosc
# For backwards compatibility
if exists('#TermResponseAll#foreground')
doautocmd <nomodeline> TermResponseAll foreground
endif
endif
endif
}
au VimEnter * ++once {
call echoraw(&t_RB)
call echoraw(&t_RF)
}
augroup END
# vim: set sw=2 sts=2 :