.vimrc

 "fast movement in normal mode
:nmap <S-h> 5h
:nmap <S-j> 5j
:nmap <S-k> 5k
:nmap <S-l> 5l

" fast tab switching
:nmap <C-h> gT
:nmap <C-l> gt

" different cursor types in insert/normal mode
let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
let &t_SR = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=2\x7\<Esc>\\"
let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"

" Vundle requires this
set nocompatible

set hidden

" enable syntax highlighting
syntax enable
colorscheme monokai

" share a clipboard across vim instancers
set clipboard=unnamed

" don't wrap lines
set nowrap

" keep the cursor in the middle of the screen
set scrolloff=15

" expand tabs to spaces
set expandtab

" autoindenting
" set autoindent
set copyindent
set shiftround

set showmatch

" ignore case if search pattern is all lowercase, case-sensitive otherwise
set smartcase

" show line numbers
set relativenumber
set nonumber

" highlight current line
set cursorline

" disable arrow keys
noremap <Up> <NOP>
noremap <Down> <NOP>
noremap <Left> <NOP>
noremap <Right> <NOP>

" highlight search terms, but clear on esc
set hlsearch

" show search matches during typing
set incsearch

set history=1000
set undolevels=1000

" ignore files during autocompletion
set wildignore=*.pyc

" change leader key
let mapleader = " "

" change terminal title
set title

" don't fully autocomplete filenames
set wildmenu
set wildmode=list:longest,full

" don't use terminal bell
set visualbell
set noerrorbells
set t_vb=


" tab = 4 spaces by default
set tabstop=4
set softtabstop=4
set shiftwidth=4

" powerful backspacing
set backspace=indent,eol,start

" disable # going to beginning of line
set formatoptions-=r
set formatoptions-=o

" color 81th column
let &colorcolumn=0
nnoremap <leader>f :call ColorColumnToggle()<CR>
function! ColorColumnToggle()
    if &colorcolumn
        set colorcolumn=0
    else
        set colorcolumn=81
    endif
endfunction

" shortcut for paste mode
nnoremap <leader>p :set paste!<CR>

" show that there are more characters in a long line
set nolist
set listchars=extends:#,precedes:#,tab:▸\ ,eol:¬
nmap <leader>l :set list!<CR>

set ttimeoutlen=10

" enable mouse scrolling
set mouse=a

" w!! saves the file with sudo
cmap w!! w !sudo tee % >/dev/null

" Remove trailing whitespace on file save
autocmd BufWritePre * :%s/\s\+$//e

" Don't mess up html files
let html_no_rendering=1

" Open new panes on the right and below
set splitbelow
set splitright

" %% expands into path to current file
cnoremap %% <C-R>=fnameescape(expand('%:h')).'/'<cr>

" open file in current file's directory
map <leader>ew :e %%
map <leader>et :tabe %%

set encoding=utf-8

" disable highlighting after search
map <leader>s :noh<CR>

" compile LaTeX after saving
au BufWritePost *.tex silent exec ":!$(make >/dev/null 2>&1 &)"

" :Wrap enables line wrapping
command! -nargs=* Wrap set wrap linebreak nolist


" Set up Vundle
filetype off
set runtimepath+=~/.vim/bundle/Vundle.vim
call vundle#rc()

Bundle 'gmarik/vundle'

Bundle 'vim-airline/vim-airline'

Bundle 'vim-airline/vim-airline-themes'

Bundle 'supertab'

Bundle 'scrooloose/nerdtree'

Bundle 'scrooloose/nerdcommenter'

set rtp+=/usr/local/opt/fzf
Bundle 'junegunn/fzf', {'dir': '~/.vim/bundle/.fzf', 'do': './install --all' }

Bundle 'junegunn/fzf.vim'

"Bundle 'w0rp/ale'
Bundle 'dense-analysis/ale'

call vundle#end()
filetype plugin indent on


let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#show_buffers = 0
let g:airline_left_sep=''
let g:airline_right_sep=''
let g:airline_theme='monokai'

" show airline when there is only one tab
set laststatus=2

" Relative numbers
" Relative line numbering only in sone cases
function! NumberToggle()
  if &relativenumber
    set number
    set norelativenumber
  else
    set relativenumber
    set nonumber
  endif
endfunc

nnoremap <C-x> :call NumberToggle()<cr>

" Switch to absolute numbers when vim loses focus
:au FocusLost * :set number
:au FocusGained * :set relativenumber

" Switch to absolute numbers when going into insert mode
autocmd InsertEnter * :set number
autocmd InsertLeave * :set relativenumber

" ==============================================================================
" Commenter shortcuts
"
" ==============================================================================
" Ctrl+k toggles comments
nmap <C-k> <leader>c<leader>

" ==============================================================================
" NERDTree settings
"
" ==============================================================================
"
map <C-n> :NERDTreeToggle<CR>

" ==============================================================================
" FZF
"
" ==============================================================================
 map <leader>f :call fzf#run({'sink': 'tabedit'})<cr>
 map <leader>t :Tags<cr>
 nmap <Leader>/ :Rg<Space>
 " Customize fzf colors to match your color scheme
 let g:fzf_colors =
\ { 'fg':      ['fg', 'Normal'],
  \ 'bg':      ['bg', 'Normal'],
  \ 'hl':      ['fg', 'Comment'],
  \ 'fg+':     ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
  \ 'bg+':     ['bg', 'CursorLine', 'CursorColumn'],
  \ 'hl+':     ['fg', 'Statement'],
  \ 'info':    ['fg', 'PreProc'],
  \ 'border':  ['fg', 'Ignore'],
  \ 'prompt':  ['fg', 'Conditional'],
  \ 'pointer': ['fg', 'Exception'],
  \ 'marker':  ['fg', 'Keyword'],
  \ 'spinner': ['fg', 'Label'],
  \ 'header':  ['fg', 'Comment'] }

" ==============================================================================
" ALE
" ==============================================================================
let g:ale_linters_explicit = 1
let g:ale_linters = {'python': ['flake8']}
let g:ale_python_flake8_executable = 'flake8'

" Use Ctrl-w + j/k to navigate between normal window and quickfix window