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local M = {}
M.title = function(bufnr)
local file = vim.fn.bufname(bufnr)
local buftype = vim.fn.getbufvar(bufnr, '&buftype')
local filetype = vim.fn.getbufvar(bufnr, '&filetype')
if buftype == 'help' then
return 'help:' .. vim.fn.fnamemodify(file, ':t:r')
elseif buftype == 'quickfix' then
return 'quickfix'
elseif filetype == 'TelescopePrompt' then
return 'Telescope'
elseif filetype == 'git' then
return 'Git'
elseif filetype == 'fugitive' then
return 'Fugitive'
elseif file:sub(file:len()-2, file:len()) == 'FZF' then
return 'FZF'
elseif buftype == 'terminal' then
local _, mtch = string.match(file, "term:(.*):(%a+)")
return mtch ~= nil and mtch or vim.fn.fnamemodify(vim.env.SHELL, ':t')
elseif file == '' then
return '[No Name]'
else
return vim.fn.pathshorten(vim.fn.fnamemodify(file, ':p:~:t'))
end
end
M.modified = function(bufnr)
return vim.fn.getbufvar(bufnr, '&modified') == 1 and '[+] ' or ''
end
M.windowCount = function(index)
local nwins = 0
local success, wins = pcall(vim.api.nvim_tabpage_list_wins, index)
if success then
for _ in pairs(wins) do nwins = nwins + 1 end
end
return nwins > 1 and '(' .. nwins .. ') ' or ''
end
M.devicon = function(bufnr, isSelected)
local icon, devhl
local file = vim.fn.bufname(bufnr)
local buftype = vim.fn.getbufvar(bufnr, '&buftype')
local filetype = vim.fn.getbufvar(bufnr, '&filetype')
local devicons = require'nvim-web-devicons'
if filetype == 'TelescopePrompt' then
icon, devhl = devicons.get_icon('telescope')
elseif filetype == 'fugitive' then
icon, devhl = devicons.get_icon('git')
elseif filetype == 'vimwiki' then
icon, devhl = devicons.get_icon('markdown')
elseif buftype == 'terminal' then
icon, devhl = devicons.get_icon('zsh')
else
icon, devhl = devicons.get_icon(file, vim.fn.expand('#'..bufnr..':e'))
end
if icon then
local h = require'luatab.highlight'
local fg = h.extract_highlight_colors(devhl, 'fg')
local bg = h.extract_highlight_colors('TabLineSel', 'bg')
local hl = h.create_component_highlight_group({bg = bg, fg = fg}, devhl)
local selectedHlStart = (isSelected and hl) and '%#'..hl..'#' or ''
local selectedHlEnd = isSelected and '%#TabLineSel#' or ''
return selectedHlStart .. icon .. selectedHlEnd .. ' '
end
return ''
end
M.separator = function(index)
return (index < vim.fn.tabpagenr('$') and '%#TabLine#|' or '')
end
M.cell = function(index)
local isSelected = vim.fn.tabpagenr() == index
local buflist = vim.fn.tabpagebuflist(index)
local winnr = vim.fn.tabpagewinnr(index)
local bufnr = buflist[winnr]
local hl = (isSelected and '%#TabLineSel#' or '%#TabLine#')
return hl .. '%' .. index .. 'T' .. ' ' ..
M.windowCount(index) ..
M.title(bufnr) .. ' ' ..
M.modified(bufnr) ..
M.devicon(bufnr, isSelected) .. '%T' ..
M.separator(index)
end
M.tabline = function()
local line = ''
for i = 1, vim.fn.tabpagenr('$'), 1 do
line = line .. M.cell(i)
end
line = line .. '%#TabLineFill#%='
if vim.fn.tabpagenr('$') > 1 then
line = line .. '%#TabLine#%999XX'
end
return line
end
local setup = function(opts)
if opts.title then M.title = opts.title end
if opts.modified then M.modified = opts.modified end
if opts.windowCount then M.windowCount = opts.windowCount end
if opts.devicon then M.devicon = opts.devicon end
if opts.separator then M.separator = opts.separator end
if opts.cell then M.cell = opts.cell end
if opts.tabline then M.tabline = opts.tabline end
vim.opt.tabline = '%!v:lua.require\'luatab\'.helpers.tabline()'
end
local warning = function()
error [[
Hi, I've updated luatab.nvim to allow some proper configuration. As a result, I need to make a breaking change to the config. Apologies for the inconvinence.
If you had:
vim.o.tabline = '%!v:lua.require\'luatab\'.tabline()'
please replace it with
require('luatab').setup({})
]]
end
return {
helpers = M,
setup = setup,
tabline = warning,
}
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