81 lines
2.7 KiB
Lua
81 lines
2.7 KiB
Lua
local M = {}
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local icons = require("mini.icons")
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--- Window bar that shows the current file path (in a fancy way).
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---@return string
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function M.render()
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-- Get the path and expand variables.
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local path = vim.fs.normalize(vim.fn.expand '%:p' --[[@as string]])
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-- No special styling for diff views.
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if vim.startswith(path, 'diffview') then
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return string.format('%%#Winbar#%s', path)
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end
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-- Replace slashes by arrows.
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local separator = ' %#WinbarSeparator# '
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local prefix, prefix_path = '', ''
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local folder_icon = ''
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-- If the window gets too narrow, shorten the path and drop the prefix.
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if vim.api.nvim_win_get_width(0) < math.floor(vim.o.columns / 3) then
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path = vim.fn.pathshorten(path)
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else
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-- For some special folders, add a prefix instead of the full path (making
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-- sure to pick the longest prefix).
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---@type table<string, string>
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local special_dirs = {
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DOTFILES = vim.env.XDG_CONFIG_HOME,
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GITS = vim.env.HOME .. '/gits',
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HOME = vim.env.HOME,
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PROJECTS = vim.env.HOME .. '/projects',
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}
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for dir_name, dir_path in pairs(special_dirs) do
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if vim.startswith(path, vim.fs.normalize(dir_path)) and #dir_path > #prefix_path then
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prefix, prefix_path, folder_icon = dir_name, dir_path, icons.get('file',path)
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end
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end
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if prefix ~= '' then
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path = path:gsub('^' .. prefix_path, '')
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prefix = string.format('%%#WinBarFile#%s %s%s', folder_icon, prefix, separator)
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end
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end
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-- Remove leading slash.
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path = path:gsub('^/', '')
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vim.api.nvim_set_hl(0, "Winbar", { link = "Normal" })
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vim.api.nvim_set_hl(0, "WinbarSeparator", { link = "Normal" })
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vim.api.nvim_set_hl(0, "WinBarFile", { link = "Normal" })
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return table.concat {
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' ',
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prefix,
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table.concat(
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vim.iter(vim.split(path, '/'))
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:map(function(segment)
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return string.format('%%#Winbar#%s', segment)
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end)
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:totable(),
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separator
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),
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}
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end
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vim.api.nvim_create_autocmd('BufWinEnter', {
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group = vim.api.nvim_create_augroup('afonso/winbar', { clear = true }),
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desc = 'Attach winbar',
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callback = function(args)
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if
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not vim.api.nvim_win_get_config(0).zindex -- Not a floating window
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and vim.bo[args.buf].buftype == '' -- Normal buffer
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and vim.api.nvim_buf_get_name(args.buf) ~= '' -- Has a file name
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and not vim.wo[0].diff -- Not in diff mode
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then
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vim.wo.winbar = "%{%v:lua.require'winbar'.render()%}"
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end
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end,
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})
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return M
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