set hidden
set wildmenu

set exrc
set secure
set number
set relativenumber
set linebreak
set nojoinspaces

set hidden

set hlsearch
set cursorline
set mouse=a
set splitbelow
set splitright

set tabstop=4
set shiftwidth=4
set smarttab
set expandtab
set autoindent

syntax on

nnoremap - ddkP
nnoremap _ ddp
nnoremap gn :tabnew<CR>
nnoremap gN :tabclose<CR>

nnoremap H ^
nnoremap L $
nnoremap <End> $

nnoremap <Leader>r :%s/\<<C-r><C-w>\>/
tnoremap <Esc> <C-\><C-n>
tnoremap <A-q> <C-\><C-n> :call chansend(b:terminal_job_id, "\<lt>Esc>")<CR>i
nnoremap <Leader>q :lclose<CR> :pclose<CR> :cclose<CR> :noh<CR>

function! GetSubTerminalName()
    let current_tabpage = tabpagenr()
    return current_tabpage . '_terminal'
endfunction

function! SubTerminal()
    let subterminal_name = GetSubTerminalName()
    let terminal_num = bufnr(subterminal_name)
    if terminal_num == -1
        execute ':new ' . subterminal_name
        execute ':resize 10'
        execute ':terminal ++curwin'
        " normal i
    else
        execute ':bwipeout! ' . terminal_num
        execute ':bwipeout! ' . (terminal_num + 1)
    endif
endfunction

function! WipeSubTerminalBuffer()
    let subterminal_name = GetSubTerminalName()
    let terminal_num = bufnr(subterminal_name)
    if terminal_num != -1
        execute ':bwipeout! ' . terminal_num
    endif
endfunction

autocmd BufWipeout term://* call WipeSubTerminalBuffer()

nnoremap ` :call SubTerminal()<CR>

" Terminal in tab {{{
function! OpenTerminalInTab()
    execute ':tabnew'
    execute ':terminal ++curwin'
    normal i
endfunction

nnoremap ~ :call OpenTerminalInTab()<CR>

function! s:DiffWithSaved()
  let filetype=&ft
  diffthis
  vnew | r # | normal! 1Gdd
  diffthis
  exe "setlocal bt=nofile bh=wipe nobl noswf ro ft=" . filetype
endfunction

com! DiffSaved call s:DiffWithSaved()

function! Home()
    let l:before = getpos('.')
    normal ^
    let l:after = getpos('.')
    if l:before[2] == l:after[2]
        call cursor(l:after[0], 1)
    endif
endfunction

nnoremap <silent> <Home> :call Home()<CR>

let g:netrw_banner = 0
let g:netrw_liststyle = 3
let g:netrw_browse_split = 4
let g:netrw_altv = 1
let g:netrw_winsize = 25

nnoremap <C-n> :Lexplore<CR>

set background=dark
set laststatus=2
colorscheme slate