.vimrc

"" Vim settings
set encoding=UTF-8
set autoindent
set backspace=indent,eol,start
set complete-=i
set smarttab
set incsearch
set laststatus=2
set ruler
set wildmenu
set autoread
set number
set hlsearch
set clipboard=unnamedplus
set pastetoggle=<F10>
set go+=a
set whichwrap+=<,>,[,]
set tabstop=4
set shiftwidth=4
"set expandtab
set scrolloff=3
set noshowmode
set ignorecase
set smartcase
set cursorline
set ttimeoutlen=0
set splitbelow
set splitright
set hidden
set background=dark
set mouse=a
set termguicolors
set shell=bash
set undodir=~/.vim/undo
set undofile
set showcmd
set lazyredraw
set conceallevel=0
set display+=uhex
filetype plugin indent on
syntax on

"" Neovim settings
if has('nvim')
    set inccommand=nosplit
endif

"" GVim settings
if has("gui_running")
    set guioptions -=m
    set guioptions -=T
    set guioptions -=r
    nmap <C-CR> o<Esc>
    nmap <C-S-CR> O<Esc>
    nmap <C-f> :promptfind<CR>
endif

"" Cursor shapes
let &t_SI = "\<Esc>[6 q"
let &t_SR = "\<Esc>[4 q"
let &t_EI = "\<Esc>[2 q"

"" Load plugins
call plug#begin('~/.vim/plugged')
" Plug 'lervag/vimtex'
Plug 'junegunn/goyo.vim'
Plug 'airblade/vim-gitgutter'
Plug 'junegunn/fzf.vim'
Plug 'mhinz/vim-startify'
Plug 'terryma/vim-multiple-cursors'
Plug 'alvan/vim-closetag'
Plug 'elzr/vim-json'
" Plug 'vim-airline/vim-airline'
Plug 'itchyny/lightline.vim'
Plug 'maksimr/vim-jsbeautify'
Plug 'tpope/vim-surround'
Plug 'Yggdroot/indentLine'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-obsession'
Plug 'scrooloose/nerdtree'
Plug 'rafi/awesome-vim-colorschemes'
Plug 'sheerun/vim-polyglot'
" Plug 'ntpeters/vim-better-whitespace'
Plug 'ap/vim-css-color'
Plug 'kien/rainbow_parentheses.vim'
Plug 'tpope/vim-repeat'
Plug 'jlanzarotta/bufexplorer'
Plug 'christoomey/vim-titlecase'
Plug 'junegunn/vim-easy-align'
Plug 'subnut/visualstar.vim'
"Plug 'w0rp/ale'
"Plug 'dyng/ctrlsf.vim'
"Plug 'ervandew/supertab'
"Plug 'ludovicchabant/vim-gutentags'
"Plug 'majutsushi/tagbar'
"Plug 'SirVer/ultisnips'
"Plug 'honza/vim-snippets'
"Plug 'ajh17/VimCompletesMe'
"Plug 'Valloric/YouCompleteMe', { 'do': './install.py' }
Plug 'prabirshrestha/vim-lsp'
Plug 'mattn/vim-lsp-settings'
Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
Plug 'nvim-lua/lsp-status.nvim'
call plug#end()

"" Plugin settings
let NERDTreeMapActivateNode='l'
let g:airline_powerline_fonts = 1
let g:gruvbox_contrast_dark = 'hard'
let g:gruvbox_italic=1
let g:markdown_fenced_languages = ['html', 'css', 'python', 'bash=sh', 'js=javascript', 'rust', 'xml']
let g:vim_markdown_conceal = 0
let g:vim_markdown_conceal_code_blocks = 0
let g:airline_highlighting_cache = 1

"" Keybindings
" nnoremap J gt
" nnoremap K gT
map <C-_> gcc<Esc>
vmap gx ::normal gx<CR>
cmap w!! w !sudo tee > /dev/null %
nnoremap <C-h> <C-W><C-H>
nnoremap <C-j> <C-W><C-J>
nnoremap <C-k> <C-W><C-K>
nnoremap <C-l> <C-W><C-L>
xmap ga <Plug>(EasyAlign)
nmap ga <Plug>(EasyAlign)
nmap <C-g> :Goyo<CR>
nmap <C-p> :Buffers<CR>
nmap <F1> :NERDTreeToggle<CR>
nmap <F2> :BufExplorerHorizontalSplit<CR>
nmap <F3> :TagbarToggle<CR>
nmap <leader>j :call JsBeautify()<CR>
nmap <leader>r :NERDTreeFind<CR>
nmap <leader>s :sort<CR>
nmap <leader>w :StripWhitespace<CR>

"" urxvt .Xresources mappings
" Ctrl-Semicolon
set <F13>=^[[25~
nmap <F13> :noh<CR>
" Ctrl-Enter
set <F14>=^[[26~
nmap <F14> o<Esc>
" Ctrl-Shift-Enter
set <F15>=^[[27~
nmap <F15> O<Esc>
" Ctrl-Backspace
set <F16>=^[[28~
imap <F16> <C-W>

"" LSP config
function! s:on_lsp_buffer_enabled() abort
    setlocal omnifunc=lsp#complete
    setlocal signcolumn=yes
    if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif
    nmap <buffer> gd <plug>(lsp-definition)
    nmap <buffer> gs <plug>(lsp-document-symbol-search)
    nmap <buffer> gS <plug>(lsp-workspace-symbol-search)
    nmap <buffer> gr <plug>(lsp-references)
    nmap <buffer> gi <plug>(lsp-implementation)
    nmap <buffer> gt <plug>(lsp-type-definition)
    nmap <buffer> <leader>rn <plug>(lsp-rename)
    nmap <buffer> [g <plug>(lsp-previous-diagnostic)
    nmap <buffer> ]g <plug>(lsp-next-diagnostic)
    "nmap <buffer> K <plug>(lsp-hover)
    nnoremap <buffer> <expr><c-f> lsp#scroll(+4)
    nnoremap <buffer> <expr><c-d> lsp#scroll(-4)

    let g:lsp_format_sync_timeout = 1000
    autocmd! BufWritePre *.rs,*.go call execute('LspDocumentFormatSync')
endfunction

augroup lsp_install
    au!
    " call s:on_lsp_buffer_enabled only for languages that has the server registered.
    autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
augroup END

"" Build configs
au FileType python map <F9> :w !python<CR>
au FileType vim    map <F9> :w<CR>:ReloadConfig<CR>:PlugInstall<CR>
autocmd BufWritePost *.tex silent! execute "!xelatex % >/dev/null 2>&1" | redraw!

"" Triggers
au VimEnter * RainbowParenthesesToggle
au Syntax * RainbowParenthesesLoadRound
au Syntax * RainbowParenthesesLoadSquare
au Syntax * RainbowParenthesesLoadBraces
au ColorScheme * :hi clear CursorLine | :hi CursorLine gui=underline cterm=underline

"" Commands
command! ReloadConfig :so ~/.config/nvim/init.vim
command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis | wincmd p | diffthis

"" Functions
" mkdir parent folder if not exists
function! s:MkNonExDir(file, buf)
    if empty(getbufvar(a:buf, '&buftype')) && a:file!~#'\v^\w+\:\/'
        let dir=fnamemodify(a:file, ':h')
        if !isdirectory(dir)
            call mkdir(dir, 'p')
        endif
    endif
endfunction
augroup BWCCreateDir
    autocmd!
    autocmd BufWritePre * :call s:MkNonExDir(expand('<afile>'), +expand('<abuf>'))
augroup END

" When editing a file, always jump to the last known cursor position.
autocmd BufReadPost *
  \ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit'
  \ |   exe "normal! g`\""
  \ | endif

"" Theming
"colorscheme wal
"colorscheme gruvbox
colorscheme industry