chopsticks/modules/core.vim

" core.vim — general settings, basic keymaps, performance, indentation
" filetype/syntax already enabled by plug#end() in plugins.vim

set number
set relativenumber

if !g:is_tty
    set cursorline
endif

set nobackup
set scrolloff=10
set nowrap
set incsearch
set ignorecase
set smartcase
set showcmd
set showmode
set hlsearch
set history=1000
set wildmenu
set wildmode=list:longest
set wildignorecase
set wildignore=*.docx,*.jpg,*.png,*.gif,*.pdf,*.pyc,*.exe,*.flv,*.img,*.xlsx
set wildignore+=*/node_modules/*,*/.git/*,*/__pycache__/*,*/dist/*,*/build/*
set mouse=a
set encoding=utf-8
set foldmethod=indent
set foldlevel=99
set splitbelow
set splitright
set backspace=indent,eol,start
set nrformats-=octal
set autoread
set cmdheight=1
set hidden
set whichwrap+=<,>,h,l
set magic
set showmatch
set mat=2
set noerrorbells
set novisualbell
set t_vb=
set ttimeout
" Wait long enough on SSH/TTY for multi-byte key codes to arrive intact —
" 10ms fragments F-keys, arrows, and Alt-prefixes when one-way latency > 10ms.
" 50ms is well under perceptible <Esc>→Normal delay locally.
let &ttimeoutlen = g:is_tty ? 50 : 10

if $COLORTERM ==# 'gnome-terminal'
    set t_Co=256
endif

if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set t_Co=256
    set guitablabel=%M\ %t
endif

set display+=lastline
set ffs=unix,dos,mac
set writebackup

if has('unix')
    let s:swap_dir = expand(get(g:, 'chopsticks_swap_dir', '~/.vim/.swap'))
    let &directory = s:swap_dir . '//,/tmp//'
    silent! call mkdir(s:swap_dir, 'p', 0700)
endif
set swapfile

if has('persistent_undo')
    set undofile
    let &undodir = expand('~/.vim/.undo')
    silent! call mkdir(&undodir, 'p', 0700)
endif

" ── Text, Tab and Indent ────────────────────────────────────────────────────

if g:is_tty
    set listchars=tab:>-,trail:.,extends:>,precedes:<,nbsp:_
else
    set listchars=tab:→\ ,trail:·,extends:▸,precedes:◂,nbsp:·
endif

set expandtab
set smarttab
set shiftwidth=4
set tabstop=4
set lbr
set tw=0
set autoindent
set smartindent

" ── Leader ──────────────────────────────────────────────────────────────────

if g:chopsticks_space_keymaps
    let mapleader = "\<Space>"
    let maplocalleader = ","
else
    let mapleader = ","
endif

" ── Basic Keymaps ───────────────────────────────────────────────────────────

if g:chopsticks_space_keymaps
    nnoremap <leader>w :w<cr>
    nnoremap <leader>W :wa<cr>
    nnoremap <leader>q :q<cr>

    nnoremap <silent> <leader>uh :noh<cr>

    nnoremap <leader>bd :Bclose<cr>
    nnoremap <leader>ba :bufdo bd<cr>
    nnoremap <leader>bo :%bd<bar>e#<bar>bd#<cr>
    nnoremap <leader>bn :bnext<cr>
    nnoremap <leader>bp :bprevious<cr>

    nnoremap <leader>fd :lcd %:p:h<cr>:pwd<cr>
else
    nnoremap <leader>w :w<cr>
    nnoremap <leader>q :q<cr>
    nnoremap <leader>x :x<cr>

    nnoremap <silent> <leader><cr> :noh<cr>

    nnoremap <leader>bd :Bclose<cr>
    nnoremap <leader>ba :bufdo bd<cr>
    nnoremap <leader>l  :bnext<cr>
    nnoremap <leader>h  :bprevious<cr>

    nnoremap <leader>cd :lcd %:p:h<cr>:pwd<cr>
endif

nnoremap <leader>v `[v`]

nnoremap <M-j> :m .+1<CR>==
nnoremap <M-k> :m .-2<CR>==
vnoremap <M-j> :m '>+1<CR>gv=gv
vnoremap <M-k> :m '<-2<CR>gv=gv

if g:chopsticks_space_keymaps
    nnoremap <silent> <leader>us :setlocal spell!<CR>:echo 'Spell: ' . (&spell ? 'ON' : 'OFF')<CR>
else
    nnoremap <silent> <leader>ss :setlocal spell!<CR>:echo 'Spell: ' . (&spell ? 'ON' : 'OFF')<CR>
endif

nnoremap <silent> <F2> :set paste!<CR>:echo 'Paste: ' . (&paste ? 'ON' : 'OFF')<CR>
nnoremap <silent> <F3> :set invnumber<CR>:echo 'Line numbers: ' . (&number ? 'ON' : 'OFF')<CR>
nnoremap <silent> <F4> :set invrelativenumber<CR>:echo 'Relative numbers: ' . (&relativenumber ? 'ON' : 'OFF')<CR>
nnoremap <silent> <F6> :set list!<CR>:echo 'List chars: ' . (&list ? 'ON' : 'OFF')<CR>

if get(g:, 'chopsticks_enable_jk_escape', 0)
    inoremap jk <Esc>
endif

vnoremap < <gv
vnoremap > >gv

nnoremap n nzzzv
nnoremap N Nzzzv

vnoremap <leader>/ y/\V<C-r>=escape(@",'/\')<CR><CR>

if get(g:, 'chopsticks_enable_ctrl_s_save', 0)
    nnoremap <silent> <C-s> :w<CR>
    inoremap <silent> <C-s> <C-o>:w<CR>
endif

nnoremap <C-d> <C-d>zz
vnoremap <C-d> <C-d>zz
nnoremap <C-u> <C-u>zz
vnoremap <C-u> <C-u>zz

if has('clipboard')
    nnoremap <leader>y "+y
    vnoremap <leader>y "+y
    nnoremap <leader>Y "+Y
    nnoremap <leader>p "+p
    vnoremap <leader>p "+p
    nnoremap <leader>P "+P
    vnoremap <leader>P "+P
endif

if g:chopsticks_space_keymaps
    nnoremap <leader>xq :copen<CR>
    nnoremap <leader>xQ :cclose<CR>
    nnoremap <leader>xl :lopen<CR>
    nnoremap <leader>xL :lclose<CR>
else
    nnoremap <leader>qo :copen<CR>
    nnoremap <leader>qc :cclose<CR>
endif

augroup ChopstickResize
    autocmd!
    autocmd VimResized * wincmd =
augroup END

" ── Performance ─────────────────────────────────────────────────────────────

set synmaxcol=200
set lazyredraw
set complete-=i

if executable('rg')
    set grepprg=rg\ --vimgrep\ --smart-case
    set grepformat=%f:%l:%c:%m
endif
set updatetime=300
set shortmess+=cI

if g:is_tty
    set signcolumn=auto
    set synmaxcol=120
endif
" non-TTY signcolumn is set in ui.vim (=yes, fixed-width to prevent jitter)

" ── Project-Local Config ────────────────────────────────────────────────────

if get(g:, 'chopsticks_enable_exrc', 0)
    set exrc
    set secure
endif
set sessionoptions=blank,buffers,curdir,folds,help,tabpages,winsize,winpos,terminal

if has("patch-8.1.0360")
    silent! set diffopt+=internal
    silent! set diffopt+=context:3
    silent! set diffopt+=algorithm:histogram
    silent! set diffopt+=indent-heuristic
endif

" ── Format Options ──────────────────────────────────────────────────────────

augroup ChopstickFormatOptions
    autocmd!
    autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o formatoptions+=j
augroup END

augroup ChopstickPaste
    autocmd!
    autocmd InsertLeave * set nopaste
augroup END

set timeoutlen=500