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highligthing: Enable cacheing only when config is set.

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This enables the highlighting caching only when the variable
g:airline_highlighting_cache is set to 1

Should make airline faster and more performant, because we can save a
lot of expensive C core calls. However, when redefining highlighting
groups, it might not correctly reset the cache.
This commit is contained in:
Christian Brabandt 2017-08-14 08:06:53 +02:00
parent 6ee75bdbde
commit a8c4424244
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GPG Key ID: F3F92DA383FDDE09
3 changed files with 6 additions and 1 deletions
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2
autoload/airline/highlighter.vim
View File

@ -53,7 +53,7 @@ function! airline#highlighter#reset_hlcache()
endfunction endfunction
function! airline#highlighter#get_highlight(group, ...) function! airline#highlighter#get_highlight(group, ...)
if has_key(s:hl_groups, a:group) if get(g:, 'airline_highlighting_cache', 0) && has_key(s:hl_groups, a:group)
return s:hl_groups[a:group] return s:hl_groups[a:group]
else else
let fg = s:get_syn(a:group, 'fg') let fg = s:get_syn(a:group, 'fg')

4
doc/airline.txt
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@ -211,6 +211,10 @@ values):
the same name (in the correct window): > the same name (in the correct window): >
let w:airline_skip_empty_sections = 0 let w:airline_skip_empty_sections = 0
< <
* Caches the changes to the highlighting groups, should therefore be faster.
Set this to one, if you experience a sluggish Vim: >
let g:airline_highlighting_cache = 0
<
============================================================================== ==============================================================================
COMMANDS *airline-commands* COMMANDS *airline-commands*

1
plugin/airline.vim
View File

@ -142,6 +142,7 @@ function! s:airline_refresh()
let nomodeline = '<nomodeline>' let nomodeline = '<nomodeline>'
endif endif
exe printf("silent doautocmd %s User AirlineBeforeRefresh", nomodeline) exe printf("silent doautocmd %s User AirlineBeforeRefresh", nomodeline)
call airline#highlighter#reset_hlcache()
call airline#load_theme() call airline#load_theme()
call airline#update_statusline() call airline#update_statusline()
endfunction endfunction