VimPlug/vim-airline
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Only reset to Normal highlighting if it is actually defined

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closes #1415 and similar
This commit is contained in:
Christian Brabandt
2017-02-28 08:33:44 +01:00
parent ac9e4092ef
commit 52663545a9
2 changed files with 14 additions and 3 deletions
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16
autoload/airline/highlighter.vim
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@@ -87,8 +87,18 @@ function! s:CheckDefined(colors)
" Checks, whether the definition of the colors is valid and is not empty or NONE
" e.g. if the colors would expand to this:
" hi airline_c ctermfg=NONE ctermbg=NONE
" that means to clear that highlighting group, therefore, add a special term=NONE
" argument
" that means to clear that highlighting group, therefore, fallback to Normal
" highlighting group for the cterm values
" This only works, if the Normal highlighting group is actually defined, so
" return early, if it has been cleared
if !exists("g:airline#highlighter#normal_fg_hi")
let g:airline#highlighter#normal_fg_hi = synIDattr(synIDtrans(hlID('Normal')), 'fg', 'cterm')
endif
if empty(g:airline#highlighter#normal_fg_hi)
return a:colors
endif
for val in a:colors
if !empty(val) && val !=# 'NONE'
return a:colors
@@ -96,7 +106,7 @@ function! s:CheckDefined(colors)
endfor
" this adds the bold attribute to the term argument of the :hi command,
" but at least this makes sure, the group will be defined
let fg = synIDattr(synIDtrans(hlID('Normal')), 'fg', 'cterm')
let fg = g:airline#highlighter#normal_fg_hi
let bg = synIDattr(synIDtrans(hlID('Normal')), 'bg', 'cterm')
return a:colors[0:1] + [fg, bg] + [a:colors[4]]
endfunction