Add interface fallback (Powerline>Unicode>ASCII)

Basically what the title says. First check if the user has Powerline,
fall back to Unicode symbols if he doesn't and fall back to ASCII
symbols if he doesn't have that either.
This commit is contained in:
Jorrit Visser 2017-02-16 19:51:30 +01:00 committed by Christian Brabandt
parent 72478dee02
commit 078537f1e2
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GPG Key ID: F3F92DA383FDDE09
1 changed files with 61 additions and 19 deletions

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@ -17,10 +17,10 @@ function! airline#init#bootstrap()
let s:loaded = 1
let g:airline#init#bootstrapping = 1
call s:check_defined('g:airline_left_sep', get(g:, 'airline_powerline_fonts', 0) ? "\ue0b0" : " ")
call s:check_defined('g:airline_left_alt_sep', get(g:, 'airline_powerline_fonts', 0) ? "\ue0b1" : "|")
call s:check_defined('g:airline_right_sep', get(g:, 'airline_powerline_fonts', 0) ? "\ue0b2" : " ")
call s:check_defined('g:airline_right_alt_sep', get(g:, 'airline_powerline_fonts', 0) ? "\ue0b3" : "|")
let g:airline#util#async = v:version >= 800 && has('job')
let g:airline#util#is_windows = has('win32') || has('win64')
call s:check_defined('g:airline_detect_modified', 1)
call s:check_defined('g:airline_detect_paste', 1)
call s:check_defined('g:airline_detect_crypt', 1)
@ -32,9 +32,6 @@ function! airline#init#bootstrap()
call s:check_defined('g:airline_exclude_preview', 0)
call s:check_defined('g:airline_gui_mode', airline#init#gui_mode())
let g:airline#util#async = v:version >= 800 && has('job')
let g:airline#util#is_windows = has('win32') || has('win64')
call s:check_defined('g:airline_mode_map', {})
call extend(g:airline_mode_map, {
\ '__' : '------',
@ -64,19 +61,64 @@ function! airline#init#bootstrap()
\ }, 'keep')
call s:check_defined('g:airline_symbols', {})
" First define the symbols,
" that are common in Powerline/Unicode/ASCII mode,
" then add specific symbols for either mode
call extend(g:airline_symbols, {
\ 'paste': 'PASTE',
\ 'spell': 'SPELL',
\ 'readonly': get(g:, 'airline_powerline_fonts', 0) ? "\ue0a2" : 'RO',
\ 'whitespace': get(g:, 'airline_powerline_fonts', 0) ? "\u2632" : "\u2632",
\ 'linenr': get(g:, 'airline_powerline_fonts', 0) ? "\ue0a1" : "\u33D1",
\ 'maxlinenr': get(g:, 'airline_powerline_fonts', 0) ? "\u2630" : "\u2630",
\ 'branch': get(g:, 'airline_powerline_fonts', 0) ? "\ue0a0" : "\u16A0",
\ 'notexists': "\u2204",
\ 'modified': '+',
\ 'space': ' ',
\ 'crypt': get(g:, 'airline_crypt_symbol', nr2char(0x1F512)),
\ }, 'keep')
\ 'paste': 'PASTE',
\ 'spell': 'SPELL',
\ 'modified': '+',
\ 'space': ' '
\ }, 'keep')
if exists('g:airline_powerline_fonts')
" Symbols for Powerline terminals
call s:check_defined('g:airline_left_sep', "\ue0b0") " 
call s:check_defined('g:airline_left_alt_sep', "\ue0b1") " 
call s:check_defined('g:airline_right_sep', "\ue0b2") " 
call s:check_defined('g:airline_right_alt_sep', "\ue0b3") " 
" ro=, ws=☲, lnr=☰, mlnr=, br=, nx=Ɇ, crypt=🔒
call extend(g:airline_symbols, {
\ 'readonly': "\ue0a2",
\ 'whitespace': "\u2632",
\ 'linenr': "\u2630",
\ 'maxlinenr': "\ue0a1",
\ 'branch': "\ue0a0",
\ 'notexists': "\u0246",
\ 'crypt': nr2char(0x1F512),
\ }, 'keep')
elseif &encoding==?'utf-8'
" Symbols for Unicode terminals
call s:check_defined('g:airline_left_sep', "")
call s:check_defined('g:airline_left_alt_sep', "")
call s:check_defined('g:airline_right_sep', "")
call s:check_defined('g:airline_right_alt_sep', "")
" ro=⊝, ws=☲, lnr=☰, mlnr=㏑, br=ᚠ, nx=Ɇ, crypt=🔒
call extend(g:airline_symbols, {
\ 'readonly': "\u229D",
\ 'whitespace': "\u2632",
\ 'linenr': "\u2630",
\ 'maxlinenr': "\u33D1",
\ 'branch': "\u16A0",
\ 'notexists': "\u0246",
\ 'crypt': nr2char(0x1F512),
\ }, 'keep')
else
" Symbols for ASCII terminals
call s:check_defined('g:airline_left_sep', "")
call s:check_defined('g:airline_left_alt_sep', "")
call s:check_defined('g:airline_right_sep', "")
call s:check_defined('g:airline_right_alt_sep', "")
call extend(g:airline_symbols, {
\ 'readonly': 'RO',
\ 'whitespace': '!',
\ 'linenr': 'ln',
\ 'maxlinenr': ':',
\ 'branch': '',
\ 'notexists': '?',
\ 'crypt': 'cr',
\ }, 'keep')
endif
call airline#parts#define('mode', {
\ 'function': 'airline#parts#mode',