init.vim

init.vim

set nocompatible              " be iMproved, required
filetype off                  " required

nnoremap <SPACE> <Nop>
let g:mapleader = " "

set relativenumber

filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal


let g:polyglot_disabled = ['java']


" plug plugins
" call plug#begin('~/.vim/plugged')
call plug#begin()
    Plug 'neoclide/coc.nvim', {'branch': 'release'}
    Plug 'junegunn/goyo.vim'
    Plug 'junegunn/limelight.vim'
    Plug 'junegunn/fzf'
    Plug 'danilamihailov/beacon.nvim'
    Plug 'vim-airline/vim-airline'
    Plug 'vim-airline/vim-airline-themes'
    Plug 'reedes/vim-pencil'
    Plug 'ruanyl/coverage.vim'
    Plug 'ARM9/arm-syntax-vim'
    Plug 'lervag/vimtex'
    Plug 'arcticicestudio/nord-vim'
    Plug 'sheerun/vim-polyglot'
    Plug 'andweeb/presence.nvim'
    Plug 'nvim-tree/nvim-web-devicons' " optional
    Plug 'nvim-tree/nvim-tree.lua'
    Plug 'tpope/vim-fugitive'
call plug#end()

" le blinky cursor
let &t_SI = "\<Esc>[5 q"
let &t_EI = "\<Esc>[1 q"
" italics
set t_ZH=^[[3m
set t_ZR=^[[23m
" fix mouse
set mouse=a
" set ttymouse=xterm

" folding
set foldlevel=99
set foldenable
set foldmethod=indent
" nnoremap <space> za

" show lines around search
set so=7

" disable beeps
set noerrorbells
set visualbell
set t_vb=

" fix vimdiff colour fuckery
highlight! link DiffText MatchParen

" nice font changes
highlight Comment cterm=italic gui=italic
highlight Italic cterm=italic gui=italic
highlight markdownItalic cterm=underline gui=italic
highlight markdownBold cterm=bold gui=bold
highlight Title cterm=bold gui=bold
" highlight MarkdownHeadingDelimiter cterm=bold gui=bold

" nice things
" set tw=80
syntax on
set cindent
set autochdir
set ruler
set nu
set backspace=indent,eol,start
set showmatch
set ignorecase
set smartcase
set hlsearch
set incsearch
set wildignorecase
set infercase

" tabs
set tabstop=4
set softtabstop=0 noexpandtab
set shiftwidth=4
set expandtab
set smarttab

" set cursor to unfuck kitty
set guicursor=n-v-c-sm:block,i-ci-ve:ver50,r-cr-o:hor50


" airline
let g:airline_powerline_fonts=1
if !exists('g:airline_symbols')
        let g:airline_symbols = {}
endif
let g:airline_symbols.space = "\ua0"
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#show_buffers = 1

" setup nerdtree
" autocmd StdinReadPre * let s:std_in=1
" autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif
" map <C-n> :NERDTreeToggle<CR>

" pencil
let g:pencil#wrapModeDefault = 'soft'
augroup pencil
    autocmd!
    autocmd FileType text,markdown,mkd,gitcommit  call pencil#init({'wrap': 'soft'})
augroup END

" text editing specifics
let g:tex_flavor = "latex"
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md set wrap linebreak wrapmargin=0 nocindent
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md nnoremap j gj
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md nnoremap k gk
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md nnoremap 0 g0
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md nnoremap % g%
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md nnoremap $ g$
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md nnoremap <Home> g0
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md nnoremap <End> g$
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md set tw=0
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md set noautoindent
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md set nocindent
au BufRead,BufNewFile COMMIT_EDITMSG,*.txt,*.md set nosmartindent

" ycm
" let g:ycm_clangd_binary_path = "/usr/bin/clangd-10"
" let g:ycm_autoclose_preview_window_after_insertion = 1

colorscheme nord

inoremap <silent><expr> <TAB>
      \ coc#pum#visible() ? coc#pum#next(1) :
      \ CheckBackspace() ? "\<Tab>" :
      \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"

" Make <CR> to accept selected completion item or notify coc.nvim to format
" <C-g>u breaks current undo, please make your own choice.
inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

function! CheckBackspace() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.
nnoremap <silent> K :call ShowDocumentation()<CR>

function! ShowDocumentation()
  if CocAction('hasProvider', 'hover')
    call CocActionAsync('doHover')
  else
    call feedkeys('K', 'in')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')
" Symbol renaming.
nmap <Leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap =  <Plug>(coc-format-selected)
nmap =  <Plug>(coc-format-selected)

" FZF
let g:fzf_vim = {}
let g:fzf_vim.preview_window = ['right,50%', 'ctrl-/']

nnoremap <Leader>d :call FZFProjectRoot()<CR>
nnoremap <Leader>f :FZF<CR>
" ...

" search from the git root if we're in a git repo
function! FZFProjectRoot()
    let project_root = system('git rev-parse --show-toplevel 2> /dev/null')[:-2]
    if strlen(project_root) > 0
        call fzf#run(fzf#wrap('FZFProjectRoot', {'dir': project_root}))
    else
        call fzf#run(fzf#wrap('FZFProjectRoot'))
    endif
endfunction

" markdown
autocmd! User GoyoEnter Limelight
autocmd! User GoyoLeave Limelight!
let g:limelight_conceal_ctermfg = 'DarkGray'
nnoremap <Leader>g :Goyo<CR>