vimrc

set nocompatible

set number

" show invisible characters:
set list
set listchars=tab:▸\ ,eol:¬
set listchars+=trail:˙

" allow buffer changes without saving:
set hidden

syntax enable
filetype plugin indent on

set path+=** " :find … and :b …
set wildmenu
set wildmode=longest:full,full
set wildignore=*.swp,*.bak,*.pyc,*.class
set wildcharm=<C-z>

set history=10000         " remember more commands and search history
set undolevels=10000      " use many muchos levels of undo
set copyindent            " copy the previous indentation on autoindenting
set scrolloff=1
" set cursorline            " Highlight current line

" remember to autocomplete:
" everything: CTRL-n / CTRL-p
" filenames:  CTRL-x CTRL-f

" file browsing:
let g:netrw_banner=0                           " disable annoying banner
let g:netrw_browse_split=3                     " open in prior window
let g:netrw_liststyle=3                        " tree view
let g:netrw_list_hide=netrw_gitignore#Hide()   " hide stuff in gitignore
let g:netrw_list_hide.=',\(^\|\s\s\)\zs\.\S\+' " hide stuff in gitignore
let g:netrw_sort_sequence = '[\/]$,*'          " sort directories on the top, files below

" let g:netrw_altv = 1
" absolute width of netrw window
let g:netrw_winsize = -28
" open file in a new tab


" Tab navigation like Firefox.
nnoremap <C-h> :tabprevious<CR>
nnoremap <C-l> :tabnext<CR>
nnoremap <C-t> :tabnew<CR>
inoremap <C-h> <Esc>:tabprevious<CR>i
inoremap <C-l> <Esc>:tabnext<CR>i
inoremap <C-t> <Esc>:tabnew<CR>



" jump to last position when opening a file:
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif

" no visual selection with mouse in normal/insert mode
set mouse=c
set showcmd

" search settings:
set incsearch " search as you type
set hlsearch  " highligh search
set ignorecase                  " case insensitive search
set smartcase                   " case sensitive when uc present
set whichwrap=b,s,<,>,[,]       " backspace and cursor keys wrap

nnoremap Y y$                   " Yank from the cursor to the end of the line, to be consistent with C and D.

" visual shifting (does not exit Visual mode)
vnoremap < <gv
vnoremap > >gv 

hi WarningMsg ctermfg=white ctermbg=red guifg=White guibg=Red gui=None
hi statusline guibg=DarkGrey ctermfg=8 guifg=White ctermbg=15

if has('statusline')
    set laststatus=2
    " Broken down into easily includeable segments:
    set statusline=%{getcwd()}/%f\           " Path and filename
    set statusline+=%w%h%m%r                 " Options
    set statusline+=\ [%{&ff}/%Y]            " Filetype
    set statusline+=%=%-14.(%l,%c%V%)\ %p%%  " Right aligned file nav info
endif

" persisted undos:
set undofile
set undodir=~/.vimtmp
set undolevels=1000

let mapleader = ","

" toggle *n*umbers, invisible chars and cursorline. good for mouse copy/paste:
nnoremap <Leader>n :set number! list! cursorline!<CR>

" switch buffer with ,b:
nnoremap <Leader>b :buffer <C-z><S-Tab>
nnoremap ;; :e#<cr>

" use the systems C-c/C-v clipboard in vim with y/p: (may not work on server)
set clipboard=unnamedplus

" prepend/del_first to/from selected lines:
vnoremap <Leader>> <C-v>0I
vnoremap <Leader>< <C-v>0x

" own filetype settings:
autocmd FileType *          setlocal shiftwidth=2 tabstop=2
autocmd FileType html       setlocal shiftwidth=2 tabstop=2
autocmd FileType javascript setlocal shiftwidth=4 tabstop=4
autocmd FileType ruby       setlocal shiftwidth=2 tabstop=2 expandtab

" to avoid vim trying to "write" the netrw buffer:
autocmd FileType netrw setl bufhidden=delete


" qq - record macro
" q  - stop recording macro
" Q  - replay macro
nnoremap Q @q
vnoremap Q :norm @q<cr>


autocmd FileType go set noexpandtab
autocmd FileType go set shiftwidth=4
autocmd FileType go set softtabstop=4
autocmd FileType go set tabstop=4


" don't wrap emails:
" au BufRead /tmp/mutt-* set filetype=mail " this is done by default anyway
au BufRead *tmp/neomutt-* set filetype=mail
autocmd FileType mail       set textwidth=0
autocmd FileType mail       inoremap --<Space><CR> -- <CR><C-o>:read ~/.mutt/signatures/laut<CR>

augroup filetypedetect
  " elixir is close enough to ruby:
  au BufRead,BufNewFile *.exs set filetype=ruby
  au BufRead,BufNewFile *.ex  set filetype=ruby
augroup END


" https://bluz71.github.io/2017/06/28/current-treats-future-wants-of-neovim.html

" incremental substitution
" try :%s/foo/bar/g
if has("nvim")
    set inccommand=nosplit
endif

if has("nvim")
  " Terminal Mode https://neovim.io/doc/user/nvim_terminal_emulator.html
  " Make escape work in the Neovim terminal.
  tnoremap <Esc> <C-\><C-n>

  " Make navigation into and out of Neovim terminal splits nicer.
  tnoremap <C-h> <C-\><C-N><C-w>h
  tnoremap <C-j> <C-\><C-N><C-w>j
  tnoremap <C-k> <C-\><C-N><C-w>k
  tnoremap <C-l> <C-\><C-N><C-w>l

  " I like relative numbering when in normal mode.
  " autocmd TermOpen * setlocal conceallevel=0 colorcolumn=0 relativenumber

  " Prefer Neovim terminal insert mode to normal mode.
  autocmd BufEnter term://* startinsert

  if has('nvim-0.1.5')        " True color in neovim wasn't added until 0.1.5
    set termguicolors
  endif
endif