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Cleanup bufferline

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This commit is contained in:
Oscar Wallberg
2023-09-02 21:50:59 +02:00
parent ae3bc212a9
commit 172f0be68c
1 changed files with 10 additions and 110 deletions
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lua/config/bufferline.lua
+10 -110
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@@ -14,112 +14,12 @@
limitations under the License.
]]
local utils = require "utils"
local hl_CustomHeader
local head_cache
--- @param trunc_width number trunctates component when screen width is less then trunc_width
--- @param trunc_len number truncates component to trunc_len number of chars
--- @param hide_width number hides component when window width is smaller then hide_width
--- @param no_ellipsis boolean whether to disable adding '...' at end after truncation
--- return function that can format the component accordingly
local function trunc(trunc_width, trunc_len, hide_width, no_ellipsis)
return function (str)
local win_width = vim.fn.winwidth(0)
if hide_width and win_width < hide_width then
return ""
elseif trunc_width and trunc_len and win_width < trunc_width and #str >
trunc_len then
return str:sub(1, trunc_len) .. (no_ellipsis and "" or "...")
end
return str
end
end
--- @param trunc_len number truncates component to trunc_len number of chars
--- @param no_ellipsis boolean whether to disable adding '...' at start before truncation
--- return function that can format the component accordingly
local function l_trunc(trunc_len, no_ellipsis)
return function (str)
if #str > trunc_len then
if no_ellipsis then
return str:sub(#str - trunc_len)
else
return "..." .. str:sub(#str - trunc_len + 3)
end
else
return str
end
end
end
--- @param trunc_len number truncates component to trunc_len number of chars
--- @param no_ellipsis boolean whether to disable adding '...' at start before truncation
--- return function that can format the component accordingly
local function r_trunc(trunc_len, no_ellipsis)
return function (str)
if #str > trunc_len then
if no_ellipsis then
return str:sub(1, trunc_len)
elseif #str < trunc_len then
return str
else
return str:sub(1, trunc_len - 3) ..
(no_ellipsis and "" or "...")
end
end
return str
end
end
local function short_path(len)
return function (str)
if #str > len then return vim.fn.pathshorten(str, 1) end
return str
end
end
local function header()
if hl_CustomHeader == nil then
local header_hl = require("utils").get_hl("NvimTreeNormal")
if header_hl ~= nil then
hl_CustomHeader = "gui=bold guifg=" .. header_hl.foreground ..
" guibg=" .. header_hl.background
vim.api.nvim_command("hi CustomHeader " .. hl_CustomHeader)
end
end
-- local header = short_path(40)(vim.fn.getcwd())
-- NOTE: Decided not to use this. Probably doesn't work.
local gitdir = vim.fn.FugitiveExtractGitDir(vim.fn.getcwd())
local text = ""
if gitdir == "" then
text = vim.fn.fnamemodify(vim.fn.getcwd(), ":~")
else
text = vim.fn.fnamemodify(gitdir, ":~:h")
-- text = vim.fn.fnamemodify(vim.fn.FugitiveWorkTree(), ':~')
-- local branch = r_trunc(15, false)(vim.fn.FugitiveHead())
local head = vim.fn.FugitiveHead(8, gitdir)
if head == "" then
if head_cache[gitdir] ~= nil then
head = head_cache[gitdir]
else
local f = io.open(gitdir, "r")
if f then
io.input(f)
local line = io.read("*l")
local head = line:gsub(
"ref: /refs/(heads/|remotes/|tags/)", ""
)
head_cache[gitdir] = head
end
end
end
if head ~= "" then text = text .. "" .. head end
end
-- return l_trunc(40-2, false)(short_path(40-2)(text))
return l_trunc(40 - 2, false)(text)
end
--- Define what filetypes should be ignored by bufferline.
--- Filetypes not listed are enabled by default.
local ft_map = {
NvimTree = false,
fugitive = false,
}
require("bufferline").setup(
{
@@ -162,13 +62,13 @@ require("bufferline").setup(
end,
-- NOTE: this will be called a lot so don't do any heavy processing here
custom_filter = function (buf, _)
local disabled_ft = { "NvimTree", "fugitive", }
local buf_ft = vim.bo[buf].filetype
if utils.has_value(disabled_ft, vim.bo[buf].filetype) then
return false
if ft_map[buf_ft] == nil then
ft_map[buf_ft] = true -- enable by default
end
return true
return ft_map[buf_ft]
end,
offsets = {
{