m-vim_plugins/vim-trailing-whitespace
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Don't highlight in terminal buffers

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When opening a buffer with `:terminal` trailing whitespace is
highlighted in there too.

However, this doesn't make much sense. Many programs emit trailing
whitespace and highlighting it distracts from their output. Even the
user's cursor is considered whitespace so there's always a useless
highlight.

If the user is interested in trailing outspace in the output of programs
for later document formatting, they can apply such text formatting in
the document's buffer, where this plugin will be active.

Detect terminal buffers and consider them not valid for this plugin.

Signed-off-by: Jamie Bainbridge <jamie.bainbridge@gmail.com>
This commit is contained in:
Jamie Bainbridge
2023-02-13 12:17:06 +11:00
parent 907174052a
commit 08bdb05c3d
1 changed files with 2 additions and 1 deletions
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3
plugin/trailing-whitespace.vim
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@@ -9,13 +9,14 @@ function! ShouldMatchWhitespace()
for ft in g:extra_whitespace_ignored_filetypes
if ft ==# &filetype | return 0 | endif
endfor
if &buftype ==# 'terminal' | return 0 | endif
return 1
endfunction
" Highlight EOL whitespace, http://vim.wikia.com/wiki/Highlight_unwanted_spaces
highlight default ExtraWhitespace ctermbg=darkred guibg=darkred
autocmd ColorScheme * highlight default ExtraWhitespace ctermbg=darkred guibg=darkred
autocmd BufRead,BufNew,FileType * if ShouldMatchWhitespace() | match ExtraWhitespace /\\\@<![\u3000[:space:]]\+$/ | else | match ExtraWhitespace /^^/ | endif
autocmd BufRead,BufNew,FileType,TermOpen * if ShouldMatchWhitespace() | match ExtraWhitespace /\\\@<![\u3000[:space:]]\+$/ | else | match ExtraWhitespace /^^/ | endif
" The above flashes annoyingly while typing, be calmer in insert mode
autocmd InsertLeave * if ShouldMatchWhitespace() | match ExtraWhitespace /\\\@<![\u3000[:space:]]\+$/ | endif