colorscheme gruvbox
set background=dark

let mapleader=" "
set visualbell
set laststatus=2
set ruler

" use 4-wide hard tabs by default
set autoindent
set shiftwidth=4
set tabstop=4

" enable filetype settings
filetype plugin indent on
syntax on 
set smartindent

" line wrapping
set wrap
set breakindent
" scroll by visual lines without breaking <count>(j|k)
" <http://reddit.com/r/vim/comments/2k4cbr/problem_with_gj_and_gk/cliuz1o/>
nnoremap <expr> j v:count?'j':'gj'
nnoremap <expr> k v:count?'k':'gk'
vnoremap <expr> j v:count?'j':'gj'
vnoremap <expr> k v:count?'k':'gk'

" command line tab completion
set wildmenu
set wildignorecase

" search settings
set ignorecase
set smartcase
set incsearch
set wrapscan
" highlight on search, clear on redraw
set hlsearch
nnoremap <silent> <C-L> :nohl<CR><C-L>
" center screen when going to next or previous match
nnoremap <silent> n nzz
nnoremap <silent> N Nzz

" adjustments to other builtin commands
set tildeop
set whichwrap=b,s,<,>,[,]

" setup whitespace display but leave it off
set listchars=eol:$,tab:→\ ,space:·
set nolist

" open new files in insert mode
autocmd BufNewFile * startinsert

" easier access to escape
inoremap jj <ESC>

" window splitting
nnoremap <leader>s :vsplit<CR><C-W>l
nnoremap <leader>h <C-W>h
nnoremap <leader>j <C-W>j
nnoremap <leader>k <C-W>k
nnoremap <leader>l <C-W>l

" format json with =j <https://coderwall.com/p/faceag/format-json-in-vim>
nnoremap =j :%!python -m json.tool<CR>

" sudo write with w!! <https://stackoverflow.com/a/48237738>
cnoremap w!! execute 'silent! write !sudo /usr/bin/tee % >/dev/null' <bar> edit!

" windows settings
if has('win64') || has('win32unix')
	" yank to system clipboard
	set clipboard=unnamed

	" prefer unix format for new files even on windows machines
	set fileformats=unix,dos

	" fix cursor in conemu
	if !empty($ConEmuBuild)
		let &t_SI="\e[6 q" " insert mode line
		let &t_EI="\e[2 q" " normal mode block
		let &t_SR="\e[4 q" " replace mode underscore
	endif
endif