nvim/lua/config/settings.lua

local g = vim.g
local opt = vim.opt
local function add(value, str, sep)
	sep = sep or ','
	str = str or ''
	value = type(value) == 'table' and table.concat(value, sep) or value
	return str ~= '' and table.concat({ value, str }, sep) or value
end

-- Globals {{{
-- g.do_filetype_lua = 1
-- g.did_load_filetypes = 0
g.netrw_liststyle = 1
g.netrw_banner = 0
g.netrw_list_hide = '^\\..*'
g.mapleader = ' '
g.tex_flavor = 'latex'
-- }}}
-- Opts {{{
-- opt.formatoptions = ""
opt.wildoptions = 'tagfile'
--opt.wildchar = 'c'
opt.termguicolors = true
opt.guifont = 'JetBrainsMono Nerd Font'
opt.guicursor = 'n-v-c-sm:hor20,i-ci-ve:ver20,r-cr-o:Block'
opt.mouse = 'vn'
opt.path = '.,,**h'
opt.pumheight = 10
opt.fileencoding = 'utf-8'
opt.splitbelow = true
opt.splitright = true
opt.ts = 4
opt.sw = 4
opt.smartindent = true
--opt.expandtab " Converts tabs to spaces
opt.showmode = false
opt.undofile = true
opt.updatetime = 300
opt.backup = false
opt.clipboard:prepend { 'unnamedplus' }
opt.smartcase = true
opt.cursorline = true
opt.viewoptions = 'folds,cursor'
opt.sessionoptions = 'folds'
opt.foldmethod = 'marker'
opt.foldlevel = 0
opt.number = true
opt.hidden = true
-- opt.shortmess = add { 'I' } -- Don't pass messages to ins-completion-menu.
opt.shortmess:append('I', 'W', 's')
opt.cmdheight = 1
opt.scrolloff = 15
opt.iskeyword:prepend { '-' }
opt.inccommand = 'nosplit'
opt.completeopt = { 'menu', 'menuone', 'noselect' }
opt.timeoutlen = 300
opt.conceallevel = 3
opt.concealcursor = 'n'
opt['foldenable'] = false
-- opt.fillchars = 'vert:▏'
opt.fillchars.eob = ' '
-- opt.fillchars.vert="▏"
opt.sessionoptions = add { 'options', 'resize', 'winpos', 'terminal' }
opt.autochdir = false
-- }}}
-- Commands and autocommands {{{
vim.api.nvim_create_user_command('Pdf', '!pandoc % -o %:r.pdf', { nargs = 0 })
vim.api.nvim_create_user_command('Slide', '!pandoc -t beamer % -o %:r.pdf', { nargs = 0 })
vim.api.nvim_create_user_command('Cd', 'lcd %:p:h', { nargs = 0 })

-- vim.api.nvim_create_autocmd({ 'BufWinLeave', 'BufLeave', 'WinLeave' }, { pattern = { '?*' }, command = 'mkview' })
-- vim.api.nvim_create_autocmd({ 'BufWinEnter' }, { pattern = { '?*' }, command = 'silent! loadview' })
-- }}}
function ToggleTroubleAuto()
	local ok, trouble = pcall(require, 'trouble')
	if ok then
		vim.defer_fn(function()
			vim.cmd 'cclose'
			trouble.open 'quickfix'
		end, 0)
	end
end

local ignore_buftype = { 'quickfix', 'nofile', 'help' }
local ignore_filetype = { 'gitcommit', 'gitrebase', 'svn', 'hgcommit' }

local function run()
	if vim.tbl_contains(ignore_buftype, vim.bo.buftype) then
		return
	end

	if vim.tbl_contains(ignore_filetype, vim.bo.filetype) then
		-- reset cursor to first line
		vim.cmd [[normal! gg]]
		return
	end

	-- If a line has already been specified on the command line, we are done
	--   nvim file +num
	if vim.fn.line '.' > 1 then
		return
	end

	local last_line = vim.fn.line [['"]]
	local buff_last_line = vim.fn.line '$'

	-- If the last line is set and the less than the last line in the buffer
	if last_line > 0 and last_line <= buff_last_line then
		local win_last_line = vim.fn.line 'w$'
		local win_first_line = vim.fn.line 'w0'
		-- Check if the last line of the buffer is the same as the win
		if win_last_line == buff_last_line then
			-- Set line to last line edited
			vim.cmd [[normal! g`"]]
		-- Try to center
		elseif buff_last_line - last_line > ((win_last_line - win_first_line) / 2) - 1 then
			vim.cmd [[normal! g`"zz]]
		else
			vim.cmd [[normal! G'"<c-e>]]
		end
	end
end

vim.api.nvim_create_autocmd({ 'BufWinEnter', 'FileType' }, {
	group = vim.api.nvim_create_augroup('nvim-lastplace', {}),
	callback = run,
})