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tabline: support clickable tabline in Vim (>= v9.2.0338)

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closes: #2745

Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Christian Brabandt
2026-04-12 08:07:05 +00:00
parent 081f8ac918
commit 723def3fa8
2 changed files with 72 additions and 5 deletions
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autoload/airline/extensions/tabline/buffers.vim
+67
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@@ -97,6 +97,7 @@ function! airline#extensions#tabline#buffers#get()
endfunction
if has("tablineat")
" Neovim version
function! b.get_pretitle(i) dict
let bufnum = get(self.buffers, a:i, -1)
return '%'.bufnum.'@airline#extensions#tabline#buffers#clickbuf@'
@@ -107,6 +108,17 @@ function! airline#extensions#tabline#buffers#get()
endfunction
endif
if has("statusline_click")
" Vim version
function! b.get_pretitle(i) dict
return '%'.get(self.buffers, a:i, -1).'[airline#extensions#tabline#buffers#clickbufVim]'
endfunction
function! b.get_posttitle(i) dict
return '%[]'
endfunction
endif
function! b.get_title(i) dict
let bufnum = get(self.buffers, a:i, -1)
let group = self.get_group(a:i)
@@ -214,6 +226,61 @@ function! s:map_keys()
endif
endfunction
function! airline#extensions#tabline#buffers#clickbufVim(dict) abort
" Clickable buffers in Vim, requires v9.2.0338
" single mouse button click without modifiers pressed
if a:dict.nclicks == 1 && empty(a:dict.mods)
if a:dict.button is# 'l'
" left button - switch to buffer
try
silent execute 'buffer' a:dict.minwid
catch
call airline#util#warning("Cannot switch buffer, current buffer is modified! See :h 'hidden'")
endtry
elseif a:dict.button is# 'm'
" middle button - delete buffer
if get(g:, 'airline#extensions#tabline#middle_click_preserves_windows', 0) == 0 || winnr('$') == 1
" just simply delete the clicked buffer. This will cause windows
" associated with the clicked buffer to be closed.
silent execute 'bdelete' a:dict.minwid
else
" find windows displaying the clicked buffer and open an new
" buffer in them.
let current_window = bufwinnr("%")
let window_number = bufwinnr(a:dict.minwid)
let last_window_visited = -1
" Set to 1 if the clicked buffer was open in any windows.
let buffer_in_window = 0
" Find the next window with the clicked buffer open. If bufwinnr()
" returns the same window number, this is because we clicked a new
" buffer, and then tried editing a new buffer. Vim won't create a
" new empty buffer for the same window, so we get the same window
" number from bufwinnr(). In this case we just give up and don't
" delete the buffer.
" This could be made cleaner if we could check if the clicked buffer
" is a new buffer, but I don't know if there is a way to do that.
while window_number != -1 && window_number != last_window_visited
let buffer_in_window = 1
silent execute window_number . 'wincmd w'
silent execute 'enew'
let last_window_visited = window_number
let window_number = bufwinnr(a:minwid)
endwhile
silent execute current_window . 'wincmd w'
if window_number != last_window_visited || buffer_in_window == 0
silent execute 'bdelete' a:dict.minwid
endif
endif
endif
endif
" force a redraw
return 1
endfunction
function! airline#extensions#tabline#buffers#clickbuf(minwid, clicks, button, modifiers) abort
" Clickable buffers
" works only in recent NeoVim with has('tablineat')