init.vim

" Mirza Halilcevic

" ****************************************
" Plugins
" ****************************************

call plug#begin('~/.local/share/nvim/plugged')

" A code-completion engine for Vim
Plug 'Valloric/YouCompleteMe'

" A command-line fuzzy finder
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

" A light and configurable statusline/tabline plugin for Vim
Plug 'itchyny/lightline.vim'

" True Sublime Text style multiple selections for Vim
Plug 'terryma/vim-multiple-cursors'

" Helpers for UNIX
Plug 'tpope/vim-eunuch'

" A tree explorer plugin for vim
Plug 'scrooloose/nerdtree'

" A Vim plugin which shows a git diff in the 'gutter' (sign column) and
" stages/undoes hunks
Plug 'airblade/vim-gitgutter'

" A Git wrapper so awesome, it should be illegal
Plug 'tpope/vim-fugitive'

" Forget Vim tabs - now you can have buffer tabs
Plug 'ap/vim-buftabline'

" Vim syntax highlighting for meson
Plug 'chadversary/vim-meson'

" Retro groove color scheme for Vim
Plug 'morhetz/gruvbox'

" Insert or delete brackets, parens, quotes in pair
Plug 'jiangmiao/auto-pairs'

" The ultimate snippet solution for Vim
Plug 'SirVer/ultisnips'

" UltiSnips default snippets
Plug 'honza/vim-snippets'

call plug#end()

" ****************************************
" Global variables
" ****************************************

" YouCompleteMe
let g:ycm_global_ycm_extra_conf='~/.ycm_extra_conf.py'
let g:ycm_confirm_extra_conf = 0

" lightline
let g:lightline = {
      \ 'colorscheme': 'gruvbox',
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ],
      \             [ 'gitbranch', 'readonly', 'filename', 'modified' ] ]
      \ },
      \ 'component_function': {
      \   'gitbranch': 'fugitive#head'
      \ },
      \ 'separator': { 'left': '', 'right': '' },
      \ 'subseparator': { 'left': '', 'right': '' }
      \ }

" UltiSnips
let g:UltiSnipsExpandTrigger='<c-j>' " ctrl + j -> expands snippet

" ****************************************
" Color
" ****************************************

" colorscheme
colorscheme gruvbox
set background=dark

" ****************************************
" Options
" ****************************************

set noshowmode " disable mode indicator
set number relativenumber " hybrid line numbers
set mouse=a " enable mouse support
set tabstop=2 shiftwidth=2 softtabstop=0 " tabs and indents are 2 spaces wide
set expandtab smarttab " use spaces instead of tabs and enable smart tabs
set autoindent smartindent " smart indentation
set smartcase " smart case sensitive search
set hidden " hide buffers with unsaved changes
set scrolloff=3 " keep 3 lines above and below the cursor
set cursorline " highlight current line
set colorcolumn=80 " vertical ruler at column 80
set undofile undodir=~/.local/share/nvim/undodir " enable undo files
set undolevels=1000 undoreload=10000 " limit number of undos
set completeopt-=preview " disable scratch preview

" ****************************************
" Key mappings
" ****************************************

" ; -> open fuzzy finder for files
map ; :Files<CR>

" ctrl + o -> open tree explorer
map <C-o> :NERDTreeToggle<CR>

" escape + tab -> next buffer
nmap <esc><tab> :bnext<CR>
" escape + backspace -> previous buffer
nmap <esc><bs> :bprev<CR>

" escape -> enter normal mode in terminal
tnoremap <Esc> <C-\><C-n>

" ****************************************