.vimrc

set nocompatible

language messages C

set nobackup
set noswapfile
set ignorecase
set shiftwidth=4
set tabstop=4
set expandtab
set iminsert=0
set imsearch=-1
set iskeyword=@,48-57,_
imap <C-\> <C-^>
cmap <C-\> <C-^>
set encoding=utf-8
set hidden
set showmatch
set smartcase
set ch=2		" Make command line two lines high
set mousehide	" Hide the mouse when typing text
set mouse=n     " mouse positioning is only allowed in normal mode
set guioptions-=T
set guioptions-=m	

" Format comments.
set formatoptions+=crq

set history=1000         " remember more commands and search history
set undolevels=1000      " use many muchos levels of undo
set incsearch
set bs=indent,eol,start
set modeline
set modelines=3

set autoread " automatically reload files from disk when changed

let c_comment_strings=1

if !exists("syntax_on")
    syntax on
endif

set hlsearch
set cursorline
set nofoldenable
set foldmethod=manual
set number

if $TERM =~ ".*-256color$" || $COLORTERM == "gnome-terminal"
    set t_Co=256
endif

set guifont="JetBrains Mono":h13
set shell=fish
set bg=dark
colo solarized8
set bg=dark

filetype on
filetype plugin on
filetype indent on

let g:tex_flavor='latex'

let mapleader=","
let g:mapleader=","

nmap <silent> <Leader>ev :e $MYVIMRC<CR>
nmap <silent> <Leader>sv :so $MYVIMRC<CR> 

nnoremap <silent> <TAB><TAB> :set invwrap<CR>

nnoremap ; :
nnoremap <silent> <Leader>ln :set invnu<CR>
nnoremap <silent> <Leader>cd :cd %:h<CR>
nnoremap <silent> <Leader>rm :%s/\r//g<CR>:g/^$/d<CR>
nnoremap <silent> <Leader>\ :s/\\/\\\\/g<CR>

nmap <silent> <S-Tab> :bnext<CR>
nnoremap <silent> <C-h> :b#<CR>
nnoremap <silent> <Leader>ww :BD<CR>
nnoremap <silent> <Leader>w! :BD!<CR>
nnoremap <silent> <Leader>wq :BD!<CR>

nnoremap <silent> <Leader>- <C-W>K
nnoremap <silent> <Leader>\ <C-W>H

" QuickFix navigation
nnoremap <silent> <Leader>cn :cn<CR>
nnoremap <silent> <Leader>cp :cp<CR>
nnoremap <silent> <Leader>cN :cnf<CR>
nnoremap <silent> <Leader>cP :cpf<CR>

" HARDCORE!
"map <up> <nop>
"map <down> <nop>
"map <left> <nop>
"map <right> <nop>
"inoremap <up> <nop>
"inoremap <down> <nop>
"inoremap <left> <nop>
"inoremap <right> <nop>

nnoremap j gj
nnoremap k gk

nmap <silent> <ESC><ESC> :nohlsearch<CR>
"nnoremap <silent> <space> za

nmap <silent> <Leader>n :NERDTreeToggle<CR>
nmap <silent> <Leader>1 :NERDTreeToggle<CR>
nmap <silent> <Leader>m :NERDTreeFind<CR>
nmap <silent> <Leader>N :NERDTreeClose<CR>

nnoremap Q <nop>
nnoremap q: <nop>
nnoremap q? <nop>
nnoremap q/ <nop>

" Persistent undo
set undofile
set undodir=$HOME/.vimundo  " Where to save undo histories
set ur=100000

" NERDTree settings
let NERDTreeIgnore=['\.pyc$', '\.pyo$', '\.obj$', '\.git$', '.DS_Store$']
let NERDTreeShowFiles=1
let NERDTreeShowHidden=1
let NERDTreeQuitOnOpen=0
let NERDTreeHighlightCursorLine=1

" Map <C-A> to go to the beginning of the line, and <C-E> to go to the end of
" the line.
cnoremap <C-A> <C-B>
inoremap <C-A> <Esc>I
inoremap <C-E> <Esc>A

" Make shift-insert work like in Xterm
map <S-Insert> <MiddleMouse>
map! <S-Insert> <MiddleMouse>

set laststatus=2
" statusline
" cf the default statusline: %<%f\ %h%m%r%=%-14.(%l,%c%V%)\ %P
" format markers:
"   %< truncation point
"   %n buffer number
"   %f relative path to file
"   %m modified flag [+] (modified), [-] (unmodifiable) or nothing
"   %r readonly flag [RO]
"   %y filetype [ruby]
"   %{&enc} current encoding used
"   %{&fenc} current file encoding
"   %= split point for left and right justification
"   %-35. width specification
"   %l current line number
"   %L number of lines in buffer
"   %c current column number
"   %V current virtual column number (-n), if different from %c
"   %P percentage through buffer
"   %) end of width specification
set statusline=%<\ %n:%f\ %m%r%y\ \[%{&enc}\]\ \[%{&fenc}\]%=%-35.(line:\ %l\ of\ %L,\ col:\ %c%V\ (%P)%)

set wildignore=*.o,*.exe,*.obj,*.pyc,*.pyd,*.hsi,*.beam,*.dll,*.class,.DS_Store


" Always enable rainbow parentheses
au VimEnter * RainbowParenthesesActivate
au ColorScheme * RainbowParenthesesActivate
au Syntax * RainbowParenthesesLoadRound
au Syntax * RainbowParenthesesLoadSquare
au Syntax * RainbowParenthesesLoadBraces
nnoremap <silent> <Leader>rp :RainbowParenthesesToggle<CR>

if executable('ag')
    let g:ackprg = 'ag --vimgrep'
endif

cnoreabbrev Ack Ack!
cnoreabbrev ack Ack!
cnoreabbrev ag Ack!
"cnoreabbrev AckFromSearch AckFromSearch!
nnoremap <leader>a :Ack!<space>
nnoremap <leader>* :Ack!<cr>
"nnoremap <leader>af :AckFromSearch!<cr>

" UI
set wildmenu
set wildmode=longest:full,full
set wildignore+=*.so,*.zip,*.o,*.a
set wildignore+=.git\*,.hg\*,.svn\*

" fzf
set rtp+=/opt/homebrew/opt/fzf
nnoremap <Leader>p :Files<CR>
nnoremap <leader>g :GFiles<CR>

" include any local configuration
let local_config = expand('~/.vim_local')
if filereadable(local_config)
    execute 'source'.fnameescape(local_config)
endif

" tmux repeat last action
if executable('tmux')
    nnoremap <silent> \r :echo "Gotta use the leader!"<CR>
    nnoremap <silent> <Leader>rr :!tmux send-keys -t {right-of} C-p C-j <CR><CR>
endif

let g:lightline = { 'colorscheme': 'darcula' }

" Force refresh the buffer when it has been modified externally
nmap <Leader>ee :e!<CR>

nmap <Leader>cc <plug>NERDCommenterToggle

if !has('nvim')
    " neovim has this already
    packadd! editorconfig
    set matchpairs=(:),{:},[:],<:>
    runtime macros/matchit.vim
endif