vim-airline/autoload/airline/extensions/tabline.vim
Christian Brabandt f5359f9177 do not skip empty sections for the tabline
commit #3d667c32d3ac04 fixed a bug, that a section was not considered
empty for the statusline, also g:airline_skip_empty was set.

However unfortunately, this lead to a regression, makeing the tabline
ugly, because sections, that contained a single highlighting group would
be considered empty and would therefore be skipped. Since this is not
what is expected, make s:section_is_empty() return zero, when it notices
we are looking at a tabline.

fixes #1273
2016-09-27 21:44:00 +02:00

194 lines
7.3 KiB
VimL

" MIT License. Copyright (c) 2013-2016 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
scriptencoding utf-8
let s:formatter = get(g:, 'airline#extensions#tabline#formatter', 'default')
let s:show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
let s:show_tabs = get(g:, 'airline#extensions#tabline#show_tabs', 1)
let s:ignore_bufadd_pat = get(g:, 'airline#extensions#tabline#ignore_bufadd_pat', '\c\vgundo|undotree|vimfiler|tagbar|nerd_tree')
let s:taboo = get(g:, 'airline#extensions#taboo#enabled', 1) && get(g:, 'loaded_taboo', 0)
if s:taboo
let g:taboo_tabline = 0
endif
let s:ctrlspace = get(g:, 'CtrlSpaceLoaded', 0)
function! airline#extensions#tabline#init(ext)
if has('gui_running')
set guioptions-=e
endif
autocmd User AirlineToggledOn call s:toggle_on()
autocmd User AirlineToggledOff call s:toggle_off()
call s:toggle_on()
call a:ext.add_theme_func('airline#extensions#tabline#load_theme')
endfunction
function! s:toggle_off()
call airline#extensions#tabline#autoshow#off()
call airline#extensions#tabline#tabs#off()
call airline#extensions#tabline#buffers#off()
call airline#extensions#tabline#ctrlspace#off()
endfunction
function! s:toggle_on()
call airline#extensions#tabline#autoshow#on()
call airline#extensions#tabline#tabs#on()
call airline#extensions#tabline#buffers#on()
call airline#extensions#tabline#ctrlspace#on()
set tabline=%!airline#extensions#tabline#get()
endfunction
function! s:update_tabline()
if get(g:, 'airline#extensions#tabline#disable_refresh', 0)
return
endif
let match = expand('<afile>')
if pumvisible()
return
elseif !get(g:, 'airline#extensions#tabline#enabled', 0)
return
" return, if buffer matches ignore pattern or is directory (netrw)
elseif empty(match)
\ || match(match, s:ignore_bufadd_pat) > -1
\ || isdirectory(expand("<afile>"))
return
endif
doautocmd User BufMRUChange
endfunction
function! airline#extensions#tabline#load_theme(palette)
if pumvisible()
return
endif
let colors = get(a:palette, 'tabline', {})
" Theme for tabs on the left
let l:tab = get(colors, 'airline_tab', a:palette.normal.airline_b)
let l:tabsel = get(colors, 'airline_tabsel', a:palette.normal.airline_a)
let l:tabtype = get(colors, 'airline_tabtype', a:palette.visual.airline_a)
let l:tabfill = get(colors, 'airline_tabfill', a:palette.normal.airline_c)
let l:tabmod = get(colors, 'airline_tabmod', a:palette.insert.airline_a)
let l:tabhid = get(colors, 'airline_tabhid', a:palette.normal.airline_c)
if has_key(a:palette, 'normal_modified') && has_key(a:palette.normal_modified, 'airline_c')
let l:tabmodu = get(colors, 'airline_tabmod_unsel', a:palette.normal_modified.airline_c)
else
"Fall back to normal airline_c if modified airline_c isn't present
let l:tabmodu = get(colors, 'airline_tabmod_unsel', a:palette.normal.airline_c)
endif
call airline#highlighter#exec('airline_tab', l:tab)
call airline#highlighter#exec('airline_tabsel', l:tabsel)
call airline#highlighter#exec('airline_tabtype', l:tabtype)
call airline#highlighter#exec('airline_tabfill', l:tabfill)
call airline#highlighter#exec('airline_tabmod', l:tabmod)
call airline#highlighter#exec('airline_tabmod_unsel', l:tabmodu)
call airline#highlighter#exec('airline_tabhid', l:tabhid)
" Theme for tabs on the right
let l:tabsel_right = get(colors, 'airline_tabsel_right', a:palette.normal.airline_a)
let l:tab_right = get(colors, 'airline_tab_right', a:palette.inactive.airline_c)
let l:tabmod_right = get(colors, 'airline_tabmod_right', a:palette.insert.airline_a)
let l:tabhid_right = get(colors, 'airline_tabhid_right', a:palette.normal.airline_c)
if has_key(a:palette, 'normal_modified') && has_key(a:palette.normal_modified, 'airline_c')
let l:tabmodu_right = get(colors, 'airline_tabmod_unsel_right', a:palette.normal_modified.airline_c)
else
"Fall back to normal airline_c if modified airline_c isn't present
let l:tabmodu_right = get(colors, 'airline_tabmod_unsel_right', a:palette.normal.airline_c)
endif
call airline#highlighter#exec('airline_tab_right', l:tab_right)
call airline#highlighter#exec('airline_tabsel_right', l:tabsel_right)
call airline#highlighter#exec('airline_tabmod_right', l:tabmod_right)
call airline#highlighter#exec('airline_tabhid_right', l:tabhid_right)
call airline#highlighter#exec('airline_tabmod_unsel_right', l:tabmodu_right)
endfunction
let s:current_tabcnt = -1
function! airline#extensions#tabline#get()
let curtabcnt = tabpagenr('$')
if curtabcnt != s:current_tabcnt
let s:current_tabcnt = curtabcnt
call airline#extensions#tabline#tabs#invalidate()
call airline#extensions#tabline#buffers#invalidate()
call airline#extensions#tabline#ctrlspace#invalidate()
endif
if !exists('#airline#BufAdd#*')
autocmd airline BufAdd * call <sid>update_tabline()
endif
if s:ctrlspace
return airline#extensions#tabline#ctrlspace#get()
elseif s:show_buffers && curtabcnt == 1 || !s:show_tabs
return airline#extensions#tabline#buffers#get()
else
return airline#extensions#tabline#tabs#get()
endif
endfunction
function! airline#extensions#tabline#title(n)
let title = ''
if s:taboo
let title = TabooTabTitle(a:n)
endif
if empty(title) && exists('*gettabvar')
let title = gettabvar(a:n, 'title')
endif
if empty(title)
let buflist = tabpagebuflist(a:n)
let winnr = tabpagewinnr(a:n)
let all_buffers = airline#extensions#tabline#buflist#list()
return airline#extensions#tabline#get_buffer_name(
\ buflist[winnr - 1],
\ filter(buflist, 'index(all_buffers, v:val) != -1'))
endif
return title
endfunction
function! airline#extensions#tabline#get_buffer_name(nr, ...)
let buffers = a:0 ? a:1 : airline#extensions#tabline#buflist#list()
return airline#extensions#tabline#formatters#{s:formatter}#format(a:nr, buffers)
endfunction
function! airline#extensions#tabline#new_builder()
let builder_context = {
\ 'active' : 1,
\ 'tabline' : 1,
\ 'right_sep' : get(g:, 'airline#extensions#tabline#right_sep' , g:airline_right_sep),
\ 'right_alt_sep' : get(g:, 'airline#extensions#tabline#right_alt_sep', g:airline_right_alt_sep),
\ }
if get(g:, 'airline_powerline_fonts', 0)
let builder_context.left_sep = get(g:, 'airline#extensions#tabline#left_sep' , g:airline_left_sep)
let builder_context.left_alt_sep = get(g:, 'airline#extensions#tabline#left_alt_sep' , g:airline_left_alt_sep)
else
let builder_context.left_sep = get(g:, 'airline#extensions#tabline#left_sep' , ' ')
let builder_context.left_alt_sep = get(g:, 'airline#extensions#tabline#left_alt_sep' , '|')
endif
return airline#builder#new(builder_context)
endfunction
function! airline#extensions#tabline#group_of_bufnr(tab_bufs, bufnr)
let cur = bufnr('%')
if cur == a:bufnr
if g:airline_detect_modified && getbufvar(a:bufnr, '&modified')
let group = 'airline_tabmod'
else
let group = 'airline_tabsel'
endif
else
if g:airline_detect_modified && getbufvar(a:bufnr, '&modified')
let group = 'airline_tabmod_unsel'
elseif index(a:tab_bufs, a:bufnr) > -1
let group = 'airline_tab'
else
let group = 'airline_tabhid'
endif
endif
return group
endfunction