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Use variables in the tabs tabline builder to track position

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mrmr1993 2018-03-15 17:41:08 +00:00
parent 349d01ba39
commit ada8cd7641
1 changed files with 27 additions and 27 deletions
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54
autoload/airline/extensions/tabline/builder.vim
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@ -15,10 +15,10 @@ function! s:prototype.build() dict
let tab_nr_type = get(g:, 'airline#extensions#tabline#tab_nr_type', 0)
let num_tabs = tabpagenr('$')
let curtab = self._curtab
let left_tab = curtab - 1
let right_tab = curtab + 1
let left_position = self._tabs_position
let right_position = self._tabs_position + 1
let self._left_tab = curtab - 1
let self._right_tab = curtab + 1
let self._left_position = self._tabs_position
let self._right_position = self._tabs_position + 1
let remaining_space = &columns - s:strchars(s:evaluate_tabline(self._build()))
let left_sep_size = s:strchars(s:evaluate_tabline(self._context.left_sep))
@ -35,54 +35,54 @@ function! s:prototype.build() dict
" There are always two left_seps (either side of the selected tab) and all
" other seperators are left_alt_seps.
let remaining_space -= 2 * left_sep_size - left_alt_sep_size
call self.insert_section(self.get_group(curtab), tab_title, left_position)
call self.insert_section(self.get_group(curtab), tab_title, self._left_position)
if get(g:, 'airline#extensions#tabline#current_first', 0)
" always have current tabpage first
let left_position += 1
let self._left_position += 1
endif
" Add the tab to the right
if right_tab <= num_tabs
let tab_title = self.get_title(tab_nr_type, right_tab)
if self._right_tab <= num_tabs
let tab_title = self.get_title(tab_nr_type, self._right_tab)
let remaining_space -= s:strchars(s:evaluate_tabline(tab_title)) + left_alt_sep_size
call self.insert_section(self.get_group(right_tab), tab_title, right_position)
let right_position += 1
let right_tab += 1
call self.insert_section(self.get_group(self._right_tab), tab_title, self._right_position)
let self._right_position += 1
let self._right_tab += 1
endif
while remaining_space > 0
if left_tab > 0
let tab_title = self.get_title(tab_nr_type, left_tab)
if self._left_tab > 0
let tab_title = self.get_title(tab_nr_type, self._left_tab)
let remaining_space -= s:strchars(s:evaluate_tabline(tab_title)) + left_alt_sep_size
if remaining_space >= 0
call self.insert_section(self.get_group(left_tab), tab_title, left_position)
let right_position += 1
let left_tab -= 1
call self.insert_section(self.get_group(self._left_tab), tab_title, self._left_position)
let self._right_position += 1
let self._left_tab -= 1
endif
elseif right_tab <= num_tabs
let tab_title = self.get_title(tab_nr_type, right_tab)
elseif self._right_tab <= num_tabs
let tab_title = self.get_title(tab_nr_type, self._right_tab)
let remaining_space -= s:strchars(s:evaluate_tabline(tab_title)) + left_alt_sep_size
if remaining_space >= 0
call self.insert_section(self.get_group(right_tab), tab_title, right_position)
let right_position += 1
let right_tab += 1
call self.insert_section(self.get_group(self._right_tab), tab_title, self._right_position)
let self._right_position += 1
let self._right_tab += 1
endif
else
break
endif
endwhile
if left_tab > 0
if self._left_tab > 0
if get(g:, 'airline#extensions#tabline#current_first', 0)
let left_position -= 1
let self._left_position -= 1
endif
call self.insert_raw('%#airline_tab#'.skipped_tabs_marker, left_position)
let right_position += 1
call self.insert_raw('%#airline_tab#'.skipped_tabs_marker, self._left_position)
let self._right_position += 1
endif
if right_tab <= num_tabs
call self.insert_raw('%#airline_tab#'.skipped_tabs_marker, right_position)
if self._right_tab <= num_tabs
call self.insert_raw('%#airline_tab#'.skipped_tabs_marker, self._right_position)
endif
endif