.vimrc

set ruler
filetype plugin on
filetype indent on
syntax on

" Haskell save only (ghcid update)
inoremap <F8> <Esc>:w<Return>
noremap <F8> <Esc>:w<Return>
" Haskell save and update REPL
inoremap <F9> <Esc>:w<Return>:SendKeys ":r Enter"<Return>
noremap <F9> <Esc>:w<Return>:SendKeys ":r Enter"<Return>
" --------------------------

" a better way to exit Vim insert mode
noremap <C-c> <Esc>
inoremap <C-c> <Esc>

" better way of saving for keyboard with heavier switches.
inoremap <C-s> <Esc>:w<Return>
noremap <C-s> :w<Return>

" remap the :W and :Q to do the same as :w and :q respectively for writing/quitting to/from files
command! -bang -range=% -complete=file -nargs=* W <line1>,<line2>write<bang> <args>
command! -bang Q quit<bang>

set linebreak
set nu
nmap <C-N><C-N> :set invnumber<CR>
set backspace=start,indent,eol
set autoindent
set nosmartindent
nnoremap <c-l> <c-l>:noh<cr>
set incsearch
set ignorecase
set smartcase
set wrapscan
set cmdheight=1
set laststatus=2
set showmode
set showcmd
set showmatch
set matchtime=2

set encoding=utf-8
set modeline
set background=dark

hi clear
hi String       guifg=#b3779a gui=none
set hlsearch
syntax on
nmap qq :qa!<CR>
syn case match

call plug#begin('~/.vim/plugged')
Plug 'scrooloose/nerdtree'
Plug 'airblade/vim-gitgutter'
Plug 'vim-airline/vim-airline'
Plug 'slarwise/vim-tmux-send'
call plug#end()

"let g:NERDTreeDirArrows=0
let g:NERDTreeDirArrowExpandable = '+'
let g:NERDTreeDirArrowCollapsible = '-'

" Python run mappings
noremap <F12> :!python main.py<Return>
inoremap <F12> <Esc>:!python main.py<Return>

" emmet vim config
let g:user_emmet_leader_key=','


set backspace=indent,eol,start
set expandtab
set tabstop=2
set softtabstop=2
set shiftwidth=2
set autoindent
aug python
    au FileType python setlocal ts=2 sts=2 sw=2 expandtab
aug end
"set backspace=indent,eol,start
"set expandtab
"set tabstop=4
"set softtabstop=4
"set shiftwidth=4
"set autoindent
"aug python
"    au FileType python setlocal ts=4 sts=4 sw=4 expandtab
"aug end


" theme settings
set t_Co=256

" set the style for the code
"colo peachpuff
"i Comment ctermfg=blue
"i Search cterm=None ctermfg=black
"
set bg=dark
colo gruvbox
set cursorline

" autocompletion
function! InsertTabWrapper(direction)
    let col = col('.') - 1
    if !col || getline('.')[col - 1] !~ '\k'
        return "\<tab>"
    elseif "backward" == a:direction
        return "\<c-p>"
    else
        return "\<c-n>"
    endif
endfunction

inoremap <Tab> <C-R>=InsertTabWrapper("backward")<cr>
inoremap <S-Tab> <C-R>=InsertTabWrapper("forward")<cr>

" haskell configuration
let g:haskell_enable_quantification = 1   " to enable highlighting of `forall`
let g:haskell_enable_recursivedo = 1      " to enable highlighting of `mdo` and `rec`
let g:haskell_enable_arrowsyntax = 1      " to enable highlighting of `proc`
let g:haskell_enable_pattern_synonyms = 1 " to enable highlighting of `pattern`
let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
let g:haskell_backpack = 1                " to enable highlighting of backpack keywords

autocmd BufWritePre * :%s/\s\+$//e