Merge pull request #1693 from mrmr1993/current-tabs-visible-experiments
Rework tabline for tabs and buffers
This commit is contained in:
Christian Brabandt
GitHub
commit
f0b969549a
@ -22,7 +22,19 @@ function! s:prototype.add_raw(text) dict
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call add(self._sections, ['', a:text])
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endfunction
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function! s:get_prev_group(sections, i)
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function! s:prototype.insert_section(group, contents, position) dict
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call insert(self._sections, [a:group, a:contents], a:position)
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endfunction
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function! s:prototype.insert_raw(text, position) dict
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call insert(self._sections, ['', a:text], a:position)
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endfunction
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function! s:prototype.get_position() dict
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return len(self._sections)
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endfunction
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function! airline#builder#get_prev_group(sections, i)
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let x = a:i - 1
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while x >= 0
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let group = a:sections[x][0]
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@ -34,6 +46,19 @@ function! s:get_prev_group(sections, i)
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return ''
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endfunction
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function! airline#builder#get_next_group(sections, i)
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let x = a:i + 1
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let l = len(a:sections)
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while x < l
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let group = a:sections[x][0]
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if group != '' && group != '|'
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return group
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endif
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let x = x + 1
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endwhile
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return ''
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endfunction
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function! s:prototype.build() dict
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let side = 1
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let line = ''
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@ -48,7 +73,7 @@ function! s:prototype.build() dict
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let group = section[0]
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let contents = section[1]
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let pgroup = prev_group
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let prev_group = s:get_prev_group(self._sections, i)
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let prev_group = airline#builder#get_prev_group(self._sections, i)
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if group ==# 'airline_c' && &buftype ==# 'terminal' && self._context.active
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let group = 'airline_term'
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elseif group ==# 'airline_c' && !self._context.active && has_key(self._context, 'bufnr')
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@ -102,7 +127,7 @@ function! s:prototype.build() dict
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return line
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endfunction
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function! s:should_change_group(group1, group2)
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function! airline#builder#should_change_group(group1, group2)
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if a:group1 == a:group2
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return 0
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endif
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@ -132,7 +157,7 @@ function! s:get_transitioned_seperator(self, prev_group, group, side)
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endfunction
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function! s:get_seperator(self, prev_group, group, side)
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if s:should_change_group(a:prev_group, a:group)
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if airline#builder#should_change_group(a:prev_group, a:group)
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return s:get_transitioned_seperator(a:self, a:prev_group, a:group, a:side)
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else
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return a:side ? a:self._context.left_alt_sep : a:self._context.right_alt_sep
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@ -181,7 +181,7 @@ function! airline#extensions#tabline#new_builder()
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let builder_context.left_alt_sep = get(g:, 'airline#extensions#tabline#left_alt_sep' , '|')
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endif
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return airline#builder#new(builder_context)
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return airline#extensions#tabline#builder#new(builder_context)
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endfunction
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function! airline#extensions#tabline#group_of_bufnr(tab_bufs, bufnr)
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@ -52,7 +52,7 @@ function! airline#extensions#tabline#buffers#get()
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" no-op
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endtry
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let cur = bufnr('%')
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if cur == s:current_bufnr
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if cur == s:current_bufnr && &columns == s:column_width
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if !g:airline_detect_modified || getbufvar(cur, '&modified') == s:current_modified
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return s:current_tabline
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endif
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@ -69,24 +69,45 @@ function! airline#extensions#tabline#buffers#get()
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if show_buf_label_first
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call airline#extensions#tabline#add_label(b, 'buffers')
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endif
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let pgroup = ''
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for nr in s:get_visible_buffers()
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if nr < 0
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call b.add_raw('%#airline_tabhid#...')
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continue
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let b.tab_bufs = tabpagebuflist(tabpagenr())
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let b.overflow_group = 'airline_tabhid'
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let b.buffers = airline#extensions#tabline#buflist#list()
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if get(g:, 'airline#extensions#tabline#current_first', 0)
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if index(b.buffers, cur) > -1
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call remove(b.buffers, index(b.buffers, cur))
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endif
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let b.buffers = [cur] + b.buffers
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endif
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let group = airline#extensions#tabline#group_of_bufnr(tab_bufs, nr)
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if nr == cur
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function! b.get_group(i) dict
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let bufnum = get(self.buffers, a:i, -1)
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if bufnum == -1
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return ''
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endif
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let group = airline#extensions#tabline#group_of_bufnr(self.tab_bufs, bufnum)
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if bufnum == bufnr('%')
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let s:current_modified = (group == 'airline_tabmod') ? 1 : 0
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endif
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return group
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endfunction
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" Neovim feature: Have clickable buffers
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if has("tablineat")
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call b.add_raw('%'.nr.'@airline#extensions#tabline#buffers#clickbuf@')
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endif
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if has("tablineat")
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function! b.get_pretitle(i) dict
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let bufnum = get(self.buffers, a:i, -1)
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return '%'.bufnum.'@airline#extensions#tabline#buffers#clickbuf@'
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endfunction
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function b.get_posttitle(i) dict
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return '%X'
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endfunction
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endif
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function! b.get_title(i) dict
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let bufnum = get(self.buffers, a:i, -1)
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let group = self.get_group(a:i)
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let pgroup = self.get_group(a:i - 1)
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if get(g:, 'airline_powerline_fonts', 0)
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let space = s:spc
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else
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@ -95,20 +116,18 @@ function! airline#extensions#tabline#buffers#get()
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if get(g:, 'airline#extensions#tabline#buffer_idx_mode', 0)
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if len(s:number_map) > 0
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call b.add_section(group, space. get(s:number_map, index, '') . '%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)' . s:spc)
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return space. get(s:number_map, a:i, '') . '%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)' . s:spc
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else
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call b.add_section(group, '['.index.s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)'.']')
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return '['.a:i.s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)'.']'
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endif
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let index += 1
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else
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call b.add_section(group, space.'%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)'.s:spc)
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return space.'%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)'.s:spc
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endif
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endfunction
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if has("tablineat")
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call b.add_raw('%X')
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endif
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let pgroup=group
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endfor
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let current_buffer = max([index(b.buffers, cur), 0])
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let last_buffer = len(b.buffers) - 1
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call b.insert_titles(current_buffer, 0, last_buffer)
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call b.add_section('airline_tabfill', '')
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call b.split()
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@ -122,69 +141,18 @@ function! airline#extensions#tabline#buffers#get()
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endif
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let s:current_bufnr = cur
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let s:column_width = &columns
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let s:current_tabline = b.build()
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let s:current_visible_buffers = copy(b.buffers)
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if b._right_title <= last_buffer
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call remove(s:current_visible_buffers, b._right_title, last_buffer)
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endif
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if b._left_title > 0
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call remove(s:current_visible_buffers, 0, b._left_title)
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endif
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return s:current_tabline
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endfunction
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function! s:get_visible_buffers()
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let buffers = airline#extensions#tabline#buflist#list()
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let cur = bufnr('%')
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if get(g:, 'airline#extensions#tabline#current_first', 0)
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if index(buffers, cur) > -1
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call remove(buffers, index(buffers, cur))
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endif
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let buffers = [cur] + buffers
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endif
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let total_width = 0
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let max_width = 0
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for nr in buffers
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let width = len(airline#extensions#tabline#get_buffer_name(nr)) + 4
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let total_width += width
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let max_width = max([max_width, width])
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endfor
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" only show current and surrounding buffers if there are too many buffers
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let position = index(buffers, cur)
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let vimwidth = &columns
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if total_width > vimwidth && position > -1
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let buf_count = len(buffers)
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" determine how many buffers to show based on the longest buffer width,
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" use one on the right side and put the rest on the left
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let buf_max = vimwidth / max_width
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let buf_right = 1
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let buf_left = max([0, buf_max - buf_right])
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let start = max([0, position - buf_left])
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let end = min([buf_count, position + buf_right])
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" fill up available space on the right
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if position < buf_left
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let end += (buf_left - position)
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endif
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" fill up available space on the left
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if end > buf_count - 1 - buf_right
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let start -= max([0, buf_right - (buf_count - 1 - position)])
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endif
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let buffers = eval('buffers[' . start . ':' . end . ']')
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if start > 0
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call insert(buffers, -1, 0)
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endif
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if end < buf_count - 1
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call add(buffers, -1)
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endif
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endif
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let s:current_visible_buffers = buffers
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return buffers
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endfunction
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function! s:select_tab(buf_index)
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" no-op when called in 'keymap_ignored_filetypes'
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if count(get(g:, 'airline#extensions#tabline#keymap_ignored_filetypes',
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232
autoload/airline/extensions/tabline/builder.vim
Normal file
232
autoload/airline/extensions/tabline/builder.vim
Normal file
@ -0,0 +1,232 @@
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" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
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" vim: et ts=2 sts=2 sw=2
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scriptencoding utf-8
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let s:prototype = {}
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" Set the point in the tabline where the builder should insert the titles.
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"
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" Subsequent calls will overwrite the previous ones, so only the last call
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" determines to location to insert titles.
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"
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" NOTE: The titles are not inserted until |build| is called, so that the
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" remaining contents of the tabline can be taken into account.
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"
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" Callers should define at least |get_title| and |get_group| on the host
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" object before calling |build|.
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function! s:prototype.insert_titles(current, first, last) dict
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let self._first_title = a:first " lowest index
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let self._last_title = a:last " highest index
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let self._left_title = a:current " next index to add on the left
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let self._right_title = a:current + 1 " next index to add on the right
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let self._left_position = self.get_position() " left end of titles
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let self._right_position = self._left_position " right end of the titles
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endfunction
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" Insert a title for entry number |index|, of group |group| at position |pos|,
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" if there is space for it. Returns 1 if it is inserted, 0 otherwise
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"
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" |force| inserts the title even if there isn't enough space left for it.
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" |sep_size| adjusts the size change that the title is considered to take up,
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" to account for changes to the separators
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"
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" The title is defined by |get_title| on the hosting object, called with
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" |index| as its only argument.
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" |get_pretitle| and |get_posttitle| may be defined on the host object to
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" insert some formatting before or after the title. These should be 0-width.
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"
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" This method updates |_right_position| and |_remaining_space| on the host
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" object, if the title is inserted.
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function! s:prototype.try_insert_title(index, group, pos, sep_size, force) dict
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let title = self.get_title(a:index)
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let title_size = s:tabline_evaluated_length(title) + a:sep_size
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if a:force || self._remaining_space >= title_size
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let pos = a:pos
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if has_key(self, "get_pretitle")
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call self.insert_raw(self.get_pretitle(a:index), pos)
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let self._right_position += 1
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let pos += 1
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endif
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call self.insert_section(a:group, title, pos)
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let self._right_position += 1
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let pos += 1
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if has_key(self, "get_posttitle")
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call self.insert_raw(self.get_posttitle(a:index), pos)
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let self._right_position += 1
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let pos += 1
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endif
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let self._remaining_space -= title_size
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return 1
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endif
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return 0
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endfunction
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function! s:get_separator_change(new_group, old_group, end_group, sep_size, alt_sep_size)
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return s:get_separator_change_with_end(a:new_group, a:old_group, a:end_group, a:end_group, a:sep_size, a:alt_sep_size)
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endfunction
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" Compute the change in size of the tabline caused by separators
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"
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" This should be kept up-to-date with |s:get_transitioned_seperator| and
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" |s:get_separator| in autoload/airline/builder.vim
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function! s:get_separator_change_with_end(new_group, old_group, new_end_group, old_end_group, sep_size, alt_sep_size)
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let sep_change = 0
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if !empty(a:new_end_group) " Separator between title and the end
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let sep_change += airline#builder#should_change_group(a:new_group, a:new_end_group) ? a:sep_size : a:alt_sep_size
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endif
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if !empty(a:old_group) " Separator between the title and the one adjacent
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let sep_change += airline#builder#should_change_group(a:new_group, a:old_group) ? a:sep_size : a:alt_sep_size
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if !empty(a:old_end_group) " Remove mis-predicted separator
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let sep_change -= airline#builder#should_change_group(a:old_group, a:old_end_group) ? a:sep_size : a:alt_sep_size
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endif
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endif
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return sep_change
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endfunction
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" This replaces the build function of the |airline#builder#new| object, to
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" insert titles as specified by the last call to |insert_titles| before
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" passing to the original build function.
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"
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" Callers should define at least |get_title| and |get_group| on the host
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" object if |insert_titles| has been called on it.
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function! s:prototype.build() dict
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if has_key(self, '_left_position') && self._first_title <= self._last_title
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let self._remaining_space = &columns - s:tabline_evaluated_length(self._build())
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let center_active = get(g:, 'airline#extensions#tabline#center_active', 0)
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let sep_size = s:tabline_evaluated_length(self._context.left_sep)
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let alt_sep_size = s:tabline_evaluated_length(self._context.left_alt_sep)
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let outer_left_group = airline#builder#get_prev_group(self._sections, self._left_position)
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let outer_right_group = airline#builder#get_next_group(self._sections, self._right_position)
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let overflow_marker = get(g:, 'airline#extensions#tabline#overflow_marker', g:airline_symbols.ellipsis)
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let overflow_marker_size = s:tabline_evaluated_length(overflow_marker)
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" Allow space for the markers before we begin filling in titles.
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if self._left_title > self._first_title
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let self._remaining_space -= overflow_marker_size +
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\ s:get_separator_change(self.overflow_group, "", outer_left_group, sep_size, alt_sep_size)
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endif
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if self._left_title < self._last_title
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let self._remaining_space -= overflow_marker_size +
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\ s:get_separator_change(self.overflow_group, "", outer_right_group, sep_size, alt_sep_size)
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endif
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" Add the current title
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let group = self.get_group(self._left_title)
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if self._left_title == self._first_title
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let sep_change = s:get_separator_change(group, "", outer_left_group, sep_size, alt_sep_size)
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else
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let sep_change = s:get_separator_change(group, "", self.overflow_group, sep_size, alt_sep_size)
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endif
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if self._left_title == self._last_title
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let sep_change += s:get_separator_change(group, "", outer_right_group, sep_size, alt_sep_size)
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else
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let sep_change += s:get_separator_change(group, "", self.overflow_group, sep_size, alt_sep_size)
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endif
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let left_group = group
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let right_group = group
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let self._left_title -=
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\ self.try_insert_title(self._left_title, group, self._left_position, sep_change, 1)
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if get(g:, 'airline#extensions#tabline#current_first', 0)
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" always have current title first
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let self._left_position += 1
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endif
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if !center_active && self._right_title <= self._last_title
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" Add the title to the right
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let group = self.get_group(self._right_title)
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if self._right_title == self._last_title
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let sep_change = s:get_separator_change_with_end(group, right_group, outer_right_group, self.overflow_group, sep_size, alt_sep_size) - overflow_marker_size
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else
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let sep_change = s:get_separator_change(group, right_group, self.overflow_group, sep_size, alt_sep_size)
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endif
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let right_group = group
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let self._right_title +=
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\ self.try_insert_title(self._right_title, group, self._right_position, sep_change, 1)
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endif
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while self._remaining_space > 0
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let done = 0
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if self._left_title >= self._first_title
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" Insert next title to the left
|
||||
let group = self.get_group(self._left_title)
|
||||
if self._left_title == self._first_title
|
||||
let sep_change = s:get_separator_change_with_end(group, left_group, outer_left_group, self.overflow_group, sep_size, alt_sep_size) - overflow_marker_size
|
||||
else
|
||||
let sep_change = s:get_separator_change(group, left_group, self.overflow_group, sep_size, alt_sep_size)
|
||||
endif
|
||||
let left_group = group
|
||||
let done = self.try_insert_title(self._left_title, group, self._left_position, sep_change, 0)
|
||||
let self._left_title -= done
|
||||
endif
|
||||
" If center_active is set, this |if| operates as an independent |if|,
|
||||
" otherwise as an |elif|.
|
||||
if self._right_title <= self._last_title && (center_active || !done)
|
||||
" Insert next title to the right
|
||||
let group = self.get_group(self._right_title)
|
||||
if self._right_title == self._last_title
|
||||
let sep_change = s:get_separator_change_with_end(group, right_group, outer_right_group, self.overflow_group, sep_size, alt_sep_size) - overflow_marker_size
|
||||
else
|
||||
let sep_change = s:get_separator_change(group, right_group, self.overflow_group, sep_size, alt_sep_size)
|
||||
endif
|
||||
let right_group = group
|
||||
let done = self.try_insert_title(self._right_title, group, self._right_position, sep_change, 0)
|
||||
let self._right_title += done
|
||||
endif
|
||||
if !done
|
||||
break
|
||||
endif
|
||||
endwhile
|
||||
|
||||
if self._left_title >= self._first_title
|
||||
if get(g:, 'airline#extensions#tabline#current_first', 0)
|
||||
let self._left_position -= 1
|
||||
endif
|
||||
call self.insert_section(self.overflow_group, overflow_marker, self._left_position)
|
||||
let self._right_position += 1
|
||||
endif
|
||||
|
||||
if self._right_title <= self._last_title
|
||||
call self.insert_section(self.overflow_group, overflow_marker, self._right_position)
|
||||
endif
|
||||
endif
|
||||
|
||||
return self._build()
|
||||
endfunction
|
||||
|
||||
let s:prototype.overflow_group = 'airline_tab'
|
||||
|
||||
" Extract the text content a tabline will render. (Incomplete).
|
||||
"
|
||||
" See :help 'statusline' for the list of fields.
|
||||
function! s:evaluate_tabline(tabline)
|
||||
let tabline = a:tabline
|
||||
let tabline = substitute(tabline, '%{\([^}]\+\)}', '\=eval(submatch(1))', 'g')
|
||||
let tabline = substitute(tabline, '%#[^#]\+#', '', 'g')
|
||||
let tabline = substitute(tabline, '%(\([^)]\+\)%)', '\1', 'g')
|
||||
let tabline = substitute(tabline, '%\d\+[TX]', '', 'g')
|
||||
let tabline = substitute(tabline, '%=', '', 'g')
|
||||
let tabline = substitute(tabline, '%\d*\*', '', 'g')
|
||||
if has('tablineat')
|
||||
let tabline = substitute(tabline, '%@[^@]\+@', '', 'g')
|
||||
endif
|
||||
return tabline
|
||||
endfunction
|
||||
|
||||
function! s:tabline_evaluated_length(tabline)
|
||||
return airline#util#strchars(s:evaluate_tabline(a:tabline))
|
||||
endfunction
|
||||
|
||||
function! airline#extensions#tabline#builder#new(context)
|
||||
let builder = airline#builder#new(a:context)
|
||||
let builder._build = builder.build
|
||||
call extend(builder, s:prototype, 'force')
|
||||
return builder
|
||||
endfunction
|
||||
@ -33,45 +33,45 @@ function! airline#extensions#tabline#tabs#get()
|
||||
catch
|
||||
" no-op
|
||||
endtry
|
||||
if curbuf == s:current_bufnr && curtab == s:current_tabnr
|
||||
if curbuf == s:current_bufnr && curtab == s:current_tabnr && &columns == s:column_width
|
||||
if !g:airline_detect_modified || getbufvar(curbuf, '&modified') == s:current_modified
|
||||
return s:current_tabline
|
||||
endif
|
||||
endif
|
||||
|
||||
let tab_nr_type = get(g:, 'airline#extensions#tabline#tab_nr_type', 0)
|
||||
let b = airline#extensions#tabline#new_builder()
|
||||
|
||||
call airline#extensions#tabline#add_label(b, 'tabs')
|
||||
" always have current tabpage first
|
||||
let tablist = range(1, tabpagenr('$'))
|
||||
if get(g:, 'airline#extensions#tabline#current_first', 0)
|
||||
if index(tablist, curtab) > -1
|
||||
call remove(tablist, index(tablist, curtab))
|
||||
endif
|
||||
let tablist = [curtab] + tablist
|
||||
endif
|
||||
for i in tablist
|
||||
if i == curtab
|
||||
|
||||
function! b.get_group(i) dict
|
||||
let curtab = tabpagenr()
|
||||
let group = 'airline_tab'
|
||||
if a:i == curtab
|
||||
let group = 'airline_tabsel'
|
||||
if g:airline_detect_modified
|
||||
for bi in tabpagebuflist(i)
|
||||
for bi in tabpagebuflist(curtab)
|
||||
if getbufvar(bi, '&modified')
|
||||
let group = 'airline_tabmod'
|
||||
endif
|
||||
endfor
|
||||
endif
|
||||
let s:current_modified = (group == 'airline_tabmod') ? 1 : 0
|
||||
else
|
||||
let group = 'airline_tab'
|
||||
endif
|
||||
return group
|
||||
endfunction
|
||||
|
||||
function! b.get_title(i) dict
|
||||
let val = '%('
|
||||
|
||||
if get(g:, 'airline#extensions#tabline#show_tab_nr', 1)
|
||||
let val .= airline#extensions#tabline#tabs#tabnr_formatter(tab_nr_type, i)
|
||||
let tab_nr_type = get(g:, 'airline#extensions#tabline#tab_nr_type', 0)
|
||||
let val .= airline#extensions#tabline#tabs#tabnr_formatter(tab_nr_type, a:i)
|
||||
endif
|
||||
call b.add_section(group, val.'%'.i.'T %{airline#extensions#tabline#title('.i.')} %)')
|
||||
endfor
|
||||
|
||||
return val.'%'.a:i.'T %{airline#extensions#tabline#title('.a:i.')} %)'
|
||||
endfunction
|
||||
|
||||
call b.insert_titles(curtab, 1, tabpagenr('$'))
|
||||
|
||||
call b.add_section('airline_tabfill', '')
|
||||
call b.split()
|
||||
@ -95,6 +95,7 @@ function! airline#extensions#tabline#tabs#get()
|
||||
|
||||
let s:current_bufnr = curbuf
|
||||
let s:current_tabnr = curtab
|
||||
let s:column_width = &columns
|
||||
let s:current_tabline = b.build()
|
||||
return s:current_tabline
|
||||
endfunction
|
||||
|
||||
@ -70,7 +70,8 @@ function! airline#init#bootstrap()
|
||||
\ 'spell': 'SPELL',
|
||||
\ 'modified': '+',
|
||||
\ 'space': ' ',
|
||||
\ 'keymap': 'Keymap:'
|
||||
\ 'keymap': 'Keymap:',
|
||||
\ 'ellipsis': '...'
|
||||
\ }, 'keep')
|
||||
|
||||
if get(g:, 'airline_powerline_fonts', 0)
|
||||
|
||||
@ -86,3 +86,13 @@ else
|
||||
return 0
|
||||
endfunction
|
||||
endif
|
||||
|
||||
" Compatibility wrapper for strchars, in case this vim version does not
|
||||
" have it natively
|
||||
function! airline#util#strchars(str)
|
||||
if exists('*strchars')
|
||||
return strchars(a:str)
|
||||
else
|
||||
return strlen(substitute(a:str, '.', 'a', 'g'))
|
||||
endif
|
||||
endfunction
|
||||
|
||||
@ -709,6 +709,9 @@ with the middle mouse button to delete that buffer.
|
||||
* rename label for tabs (default: 'tabs') (c) >
|
||||
let g:airline#extensions#tabline#tabs_label = 't'
|
||||
|
||||
* change the symbol for skipped tabs/buffers (default '...') >
|
||||
let g:airline#extensions#tabline#overflow_marker = '…'
|
||||
|
||||
* always show current tabpage/buffer first >
|
||||
let airline#extensions#tabline#current_first = 1
|
||||
< default: 0
|
||||
|
||||
Loading…
Reference in New Issue
Block a user