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path: root/.vim/init.lua
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local cmd = vim.cmd
local g = vim.g

g.mapleader = ' ' -- <leader> key to <space>
g.maplocalleader = '\\'

require('plugins')
require('hardmode')

-- OPTIONS -- {{{
local opt = vim.opt

opt.backspace = 'indent,eol,start'
opt.clipboard:prepend { 'unnamedplus' }
opt.cmdheight = 1
opt.colorcolumn = {80} -- depends on 'textwidth'
opt.complete = '.,w,b,u'
opt.completeopt = 'menuone,noselect'
opt.concealcursor = ''
opt.conceallevel = 2
opt.cursorline = true
opt.expandtab = true
opt.exrc = true
opt.fillchars = 'fold:─'
opt.foldenable = true
opt.foldlevel = 0
opt.foldmethod = 'marker'
opt.hidden = true
opt.inccommand = 'split'
opt.incsearch = true
opt.laststatus = 2
opt.lazyredraw = true
opt.list = true
opt.listchars:append { trail = '¬', tab = '> ' }
opt.mouse = 'a'
opt.number = true
opt.ruler = true
opt.scrolloff = 3
opt.shiftround = true
opt.shortmess:append { c = true }
opt.showbreak = '↪ '
opt.showcmd = false
opt.showmode = true
opt.signcolumn = 'auto:1'
opt.smartcase = true
opt.spell = false
opt.spelloptions = 'camel'
opt.statusline = '%!luaeval("statusline()")'
opt.termguicolors = true
opt.textwidth = 0
opt.title = true
opt.undolevels = 1000
opt.updatetime = 300
opt.wrap = true
-- }}}

-- COLORS -- {{{
-- g.nihoncolors_transparent_background = true
cmd [[ colorscheme lush ]]
-- }}}

-- KEY BINDS -- {{{
local nnoremap = require('astronauta.keymap').nnoremap
local inoremap = require('astronauta.keymap').inoremap
local vnoremap = require('astronauta.keymap').vnoremap
local tnoremap = require('astronauta.keymap').tnoremap

nnoremap { 'Q', function() cmd [[ quitall ]] end, silent = false }
nnoremap { 'gb', function() cmd [[ bnext ]] end }
nnoremap { 'gB', function() cmd [[ bprevious ]] end }

-- terminal
tnoremap { '<esc>', [[ <c-\><c-n> ]] }
tnoremap { '<leader>qq', [[ <c-\><c-n> :bdelete!<cr> ]] }
vnoremap { 'T', function() cmd [[ retab! | call feedkeys("\<esc>") ]] end }

nnoremap { 'gf',  function() require('misc').file_under_cursor(function(s) vim.cmd('edit ' .. s) end) end }
nnoremap { 'gF',  function() require('misc').open_under_cursor() end }
nnoremap { 'gx',  function() require('misc').open_under_cursor('url-launcher') end }
nnoremap { 'gGw', function() require('misc').word_under_cursor(function(s) require('telescope.builtin.files').grep_string({ search = s }) end) end }
nnoremap { 'gGe', function() require('misc').expr_under_cursor(function(s) require('telescope.builtin.files').grep_string({ search = s }) end) end }
nnoremap { 'gGf', function() require('misc').file_under_cursor(function(s) require('telescope.builtin.files').grep_string({ search = s }) end) end }
nnoremap { 'gs',  function() require('misc').word_under_cursor(function(s) vim.fn.feedkeys(':%s/' .. s .. '//g'); cmd [[ call feedkeys("\<left>\<left>") ]] end) end }
-- }}}

local u = require('utils')

-- AUTO GROUPS -- {{{
u.augroup2 {
  yank_highlight = {{'TextYankPost', '*', [[ silent! lua require("vim.highlight").on_yank() ]]}},
  obvious_active_win = {
    {'WinEnter', '*', 'set cul'},
    {'WinLeave', '*', 'set nocul'}
  },
  c_makeprg = {{'BufRead', '*.c', [[ set makeprg=ninja\ -C\ build ]]}},
  open_qf = {{'QuickFixCmdPost', '*', [[ :clist ]]}},
  packer_auto_compile = {{'BufWritePost', 'plugins.lua', [[ PackerCompile ]]}},
  commentstring = {
    {'FileType', 'i3config', [[ setlocal commentstring=#\ %s ]]},
    {'FileType', 'jsonc', [[ setlocal commentstring=//\ %s ]]},
  },
}
-- }}}

-- USER COMMANDS -- {{{
cmd [[ command! BalenaDiagnosticsFold call balena_diagnostics_fold#apply() ]]
cmd [[ command! -range SortLine <line1>,<line2>lua require('misc').sort_line() ]]
cmd [[ command! -nargs=1 Make lua require('job').make({<f-args>}) ]]
-- }}}

-- STATUS LINE -- {{{
require('spinner').setup {
  spinner = {'⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'},
  interval = 120, -- spinner frame rate in ms
}
statusline = function()
  local sl = ''
  -- left
  sl = sl .. statusline_color(vim.fn.mode())
  sl = sl .. [[ ⢷ %<%F %-m %-r ]]
  -- right
  sl = sl .. [[ %= ]] -- spacer

  local lsp_spinner = require('spinner').status(vim.fn.bufnr())
  local lsp_diagnostics = statusline_lsp_diagnostics(vim.fn.bufnr())

  sl = sl .. lsp_spinner .. ' '
  sl = sl .. lsp_diagnostics
  sl = sl .. [[  %l:%v %y ]]
  return sl
end
statusline_color = function(mode)
  local hi = '%*'
  if mode == 'i' then
    hi = '%#StatusLineInsert#'
  elseif mode == 'c' then
    hi = '%#StatusLineCommand#'
  elseif mode == 'v' or mode == 'V' or mode == '' then
    hi = '%#StatusLineVisual#'
  elseif mode == 'R' or mode == 'Rv' then
    hi = '%#StatusLineReplace#'
  end
  -- return '%{g:actual_curwin==win_getid()?'.. hi ..':%#StatusLineNC#}'
  return hi
end
statusline_lsp_diagnostics = function(bufnr)
  -- Error, Warning, Information, Hint
  local error_num = vim.lsp.diagnostic.get_count(bufnr, 'Error')
  local warn_num = vim.lsp.diagnostic.get_count(bufnr, 'Warning')

  local s = ''
  if error_num > 0 then
    s = s .. vim.fn.sign_getdefined('LspDiagnosticsSignError')[1].text .. error_num
  end
  if warn_num > 0 then
    s = s .. vim.fn.sign_getdefined('LspDiagnosticsSignWarning')[1].text .. warn_num
  end
  return s
end
-- }}}

-- source .nvimrc if it exists
local local_vimrc = vim.fn.getcwd()..'/.nvimrc'
if vim.loop.fs_stat(local_vimrc) then
  cmd('source ' .. local_vimrc)
end

-- configure :grep to use ripgrep if it's available
if vim.fn.executable('rg') then
  vim.opt.grepprg = 'rg --vimgrep --smart-case --hidden'
  vim.opt.grepformat = '%f:%l:%c:%m'
end