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--- Personal lua config files for NeoVim.
-- Last Changed: 2019-01-27
-- Author: Federico Igne <git@federicoigne.com>
-- License: This file is placed in the public domain.
-- Use name in `t:tablabel` or fall back to the name of the current
-- working directory.
local function tablabel(i, t)
local ok, label = pcall(vim.api.nvim_tabpage_get_var, t, 'tablabel')
if not ok then
label = vim.fn.fnamemodify(vim.fn.getcwd(-1, i), ':t')
end
return label
end
--- Generate simple tabline that supports custom naming.
--
-- To set the name for a specific tab run
--
-- :let t:tablabel = <name>
--
-- This variable persists across sessions
local function tabline()
local line = ''
local current = vim.api.nvim_get_current_tabpage()
local tabpages = vim.api.nvim_list_tabpages()
for i, t in pairs(tabpages) do
local modified = false
local windows = vim.api.nvim_tabpage_list_wins(t)
local nwin = 0
for _,w in pairs(windows) do
if vim.api.nvim_buf_get_option(vim.api.nvim_win_get_buf(w), 'modified') then
modified = true
end
nwin = nwin + 1
end
if t == current then
if modified then
line = line .. '%4*'
else
line = line .. '%3*'
end
else
line = line .. '%#TabLine#'
end
-- Start tabpage label with number indicator
line = line .. '%' .. i .. 'T ' .. i
-- Modified label
if modified then
line = line .. '+'
end
-- Get tabpage label
line = line .. ' '
if t == current then
line = line .. '▏'
end
line = line .. tablabel(i, t) .. ' [' .. nwin .. '] '
end
-- Fill with TabLineFill and reset tabpage label
line = line .. '%#TabLineFill#%T'
return line
end
return tabline
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