vim-airline/autoload/airline/extensions/scrollbar.vim

37 lines
1.2 KiB
VimL

" MIT License. Copyright (c) 2013-2021
" vim: et ts=2 sts=2 sw=2 et
scriptencoding utf-8
function! airline#extensions#scrollbar#calculate() abort
if winwidth(0) > 200 && get(w:, 'airline_active', 0)
let overwrite = 0
if &encoding ==? 'utf-8' && !get(g:, 'airline_symbols_ascii', 0)
let [left, right, middle] = [ '|', '|', '█']
let overwrite = 1
else
let [left, right, middle] = [ '[', ']', '-']
endif
let spc = get(g:, 'airline_symbols.space', ' ')
let width = 20 " max width, plus one border and indicator
let perc = (line('.') + 0.0) / (line('$') + 0.0)
let before = float2nr(round(perc * width))
if before > 0 && line('.') == 1
let before = 0
let left = (overwrite ? '' : left)
endif
let after = width - before
if (after <= 1 && line('.') == line('$'))
let after = 0
let right = (overwrite ? '' : right)
endif
return left . repeat(spc, before) . middle . repeat(spc, after) . right
else
return ''
endif
endfunction
function! airline#extensions#scrollbar#init(ext) abort
call airline#parts#define_function('scrollbar', 'airline#extensions#scrollbar#calculate')
endfunction