filetype plugin indent on
syntax on

autocmd CmdwinEnter * noremap <buffer> <CR> <CR>
autocmd FileType rust,c,cpp,java,python,sh,tex set noexpandtab colorcolumn=101 textwidth=100
autocmd FileType markdown set noexpandtab colorcolumn=81 textwidth=80
autocmd FileType markdown,tex set ai spell

set encoding=utf-8
set termencoding=utf-8
set fileencodings=ucs-bom,utf-8,chinese

let mapleader=" "
nnoremap <space> <nop>
nnoremap Y y$
nnoremap <CR> :
vnoremap <CR> :

nnoremap <silent> <leader>f 1z=
nnoremap <silent> <leader>h :noh<CR>:echo "Stopped search highlighting."<CR>
nnoremap <silent> <leader>i :call ToggleIntuitiveLineMovement()<CR>
nnoremap <silent> <leader>l :set list!<CR>
nnoremap <silent> <leader>q gwap
nnoremap <silent> <leader>r :set relativenumber!<CR>
nnoremap <silent> <leader>s :call ToggleSpellCheck()<CR>
nnoremap <silent> <leader>w :update<CR>

set backspace=indent,eol,start " powerful backspace
set complete+=kspell " dictionary completion
set cpo+=J " sentences are separated by two spaces
set display=lastline " show as much as possible when it doesn't fit
set hlsearch
set incsearch
set listchars=eol:$,tab:>-,trail:·
set mouse=a
set number
set relativenumber
set showcmd
set spelllang=en_us,cjk

hi Normal ctermfg=white ctermbg=none
hi Search ctermfg=yellow ctermbg=black
hi IncSearch ctermfg=black ctermbg=yellow
hi LineNr ctermfg=10 ctermbg=0
hi CursorLineNr ctermfg=12 ctermbg=0
hi Visual ctermfg=16 ctermbg=yellow

hi Pmenu ctermfg=NONE ctermbg=236
hi PmenuSel ctermfg=0 ctermbg=10

set tabstop=4
set shiftwidth=4

set timeout ttimeoutlen=25

function! ToggleSpellCheck()
	set spell!
	if &spell
		echo "Spell check is now on."
	else
		echo "Spell check is now off."
	endif
endfunction

function! ToggleIntuitiveLineMovement()
	if mapcheck("jk")==""
		echo "Intuitive line movement is now on."
		nnoremap j gj
		nnoremap k gk
		inoremap <down> <C-o>gj
		inoremap <up> <C-o>gk
	else
		echo "Intuitive line movement is now off."
		nunmap j
		nunmap k
		iunmap <down>
		iunmap <up>
	endif
endfunction