lite.vimrc

"----------------------------------------------------------------
" Stripped down .vimrc configuration file
"----------------------------------------------------------------"

" Disable vi compatibility
if !has("nvim")
        set nocompatible
endif

" Reload .vimrc
nnoremap <F12> :so $MYVIMRC<CR>

" Enable local .vimrc config
set exrc
set secure

" Lines of memory to remember
set history=10000


" Time delay on <Leader> key
set timeoutlen=3000 ttimeoutlen=100

" Update time
set updatetime=250

" Trigger InsertLeave autocmd
inoremap <C-c> <Esc>

" No need for Ex mode
nnoremap Q <NOP>

" Set inc/dec
set nrformats-=octal

" Start NERDTree and put the cursor back in the other window.
autocmd VimEnter * NERDTree | wincmd p

" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | call feedkeys(":quit\<CR>:\<BS>") | endif

nnoremap <leader>tt :FloatermToggle<CR>

"----------------------------------------------------------------
" 2. Plugins (Plug)
"----------------------------------------------------------------
" Install Plugins
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

" List of plugins installed
call plug#begin('~/.vim/plugged')

        " Statusbar
        Plug 'vim-airline/vim-airline'
        Plug 'vim-airline/vim-airline-themes'
        Plug 'airblade/vim-gitgutter'

        " Tools
        Plug 'preservim/nerdcommenter', { 'commit': 'a5d1663' }
        Plug 'preservim/nerdtree'
        Plug 'junegunn/fzf'
        Plug 'junegunn/fzf.vim'
    Plug 'voldikss/vim-floaterm'

        " Edition
        Plug 'junegunn/vim-easy-align'
        Plug 'godlygeek/tabular'
        Plug 'tpope/vim-fugitive'
        Plug 'jiangmiao/auto-pairs'

    " Themes
    Plug 'tyrannicaltoucan/vim-deep-space'

call plug#end()

"----------------------------------------------------------------
" Plugin settings
"----------------------------------------------------------------
" --- Statusbar ---
" Airline settings
let g:airline_theme                       = 'luna'
let g:airline_powerline_fonts             = 1
let g:airline_section_z                   = airline#section#create([
                        \ '%1p%% ',
                        \ 'Ξ%l%',
                        \ '\⍿%c'])


" --- Git tools ---
" Gitgutter settings
let g:gitgutter_max_signs             = 5000
let g:gitgutter_sign_added            = '+'
let g:gitgutter_sign_modified         = '»'
let g:gitgutter_sign_removed          = '_'
let g:gitgutter_sign_modified_removed = '»╌'
let g:gitgutter_map_keys              = 0
let g:gitgutter_diff_args             = '--ignore-space-at-eol'

nmap <Leader>j <Plug>(GitGutterNextHunk)zz
nmap <Leader>k <Plug>(GitGutterPrevHunk)zz
nnoremap <silent> <C-g> :call <SID>ToggleGGPrev()<CR>zz
nnoremap <Leader>ga :GitGutterStageHunk<CR>
nnoremap <Leader>gu :GitGutterUndoHunk<CR>

" Fugitive settings
nnoremap <C-s> :call <SID>ToggleGstatus()<CR>
nnoremap <Leader>gv :Gvdiffsplit<CR>:windo set wrap<CR>
nnoremap <Leader>gh :Gvdiffsplit HEAD<CR>:windo set wrap<CR>
nnoremap <Leader>gb :Gblame<CR>

"----------------------------------------------------------------
" User interface
"----------------------------------------------------------------
" Vim theme"
set background=dark
set termguicolors
colorscheme deep-space

" Vim airline theme"
let g:airline_theme='luna'

" Set X lines to the cursor when moving vertically
set scrolloff=0

" Always show mode
set showmode

" Show command keys pressed
set showcmd

" Enable the WiLd menu
set wildmenu

" Show the current position
set ruler

" Command bar height
set cmdheight=2

" Backspace works on Insert mode
set backspace=eol,start,indent

" Don't redraw while executing macros (good performance config)
set lazyredraw

" Show matching brackets when text indicator is over them
set showmatch

" How many tenths of a second to blink when matching brackets
set matchtime=2

" No annoying sound on errors
set noerrorbells
set novisualbell

" Mouse
set mouse=a

" Highlight cursor line and cursor column
set cursorline
set nocursorcolumn

" Always show the status line
set laststatus=2

" Change the cursor shape
if !has("nvim")
        if &term != "linux"
                let &t_SI = "\<Esc>[6 q"
                let &t_SR = "\<Esc>[4 q"
                let &t_EI = "\<Esc>[2 q"
        endif
else
        set guicursor=n-v:block-Cursor/lCursor-blinkon0
        set guicursor+=i-ci-c:ver100-Cursor/lCursor-blinkon0
        set guicursor+=r-cr:hor100-Cursor/lCursor-blinkon0
endif

" Omni completion
if has('autocmd') && exists('+omnifunc')
autocmd Filetype *
        \ if &omnifunc == "" |
        \     setlocal omnifunc=syntaxcomplete#Complete |
        \ endif
endif

" Fix italics issue
if !has("nvim")
        let &t_ZH="\e[3m"
        let &t_ZR="\e[23m"
endif

"----------------------------------------------------------------
" Files and backup
"----------------------------------------------------------------
" Disable swap files
set noswapfile

" No backup (use Git instead)
set nobackup

" Prevents automatic write backup
set nowritebackup

" Use UTF-8 as default encoding
set encoding=utf8

" Use Unix as the standard file type
set fileformats=unix,dos,mac

" Autoread a file when it is changed from the outside
set autoread

" Reload a file when it is changed from the outside
let g:f5msg = 'Buffer reloaded.'
nnoremap <F5> :e<CR>:echo g:f5msg<CR>

" Enable filetype plugins
filetype plugin on
filetype indent on

"----------------------------------------------------------------
" Indentation tabs
"----------------------------------------------------------------
" Enable autoindent & smartindent
set autoindent
set smartindent

" Use tabs, no spaces
set expandtab

" Be smart when using tabs
set smarttab

" Tab size (in spaces)
set shiftwidth=4
set tabstop=4

" Remap indentation
nnoremap <TAB> >>
nnoremap <S-TAB> <<

vnoremap <TAB> >gv
vnoremap <S-TAB> <gv

inoremap <TAB> <C-i>
inoremap <S-TAB> <C-d>

" Don't show tabs
set list

" Show tabs and end-of-lines
set listchars=tab:┊\ ,trail:¬

"----------------------------------------------------------------
" Moving around lines
"----------------------------------------------------------------
" Specify which commands wrap to another line
set whichwrap+=<,>,h,l

" Many jump commands move the cursor to the start of line
set nostartofline

" Wrap lines into the window
set wrap

" Don't break the words
" Only works if I set nolist (F6)
set linebreak
set showbreak=↳\

" Stop automatic wrapping
set textwidth=0

" Listings don't pause
set nomore

" Show line numbers
set number
set numberwidth=2

let g:f3msg = 'Toggle line numbers.'
nnoremap <silent> <F3> :set number!<CR>:echo g:f3msg<CR>


let g:f4msg = 'Toggle relative line numbers.'
nnoremap <silent> <F4> :set norelativenumber!<CR>:echo g:f4msg<CR>

" Treat long lines as break lines (useful when moving around in them)
nnoremap <silent> <expr> k (v:count == 0 ? 'gk' : 'k')
nnoremap <silent> <expr> j (v:count == 0 ? 'gj' : 'j')

vnoremap <silent> <expr> k (v:count == 0 ? 'gk' : 'k')
vnoremap <silent> <expr> j (v:count == 0 ? 'gj' : 'j')

nnoremap <Home> g^
nnoremap <End> g$

vnoremap <Home> g^
vnoremap <End> g$

" Toggle the cursor position start/end of the line
nnoremap <silent> ñ :call <SID>ToggleCPosition('')<CR>
vnoremap <silent> ñ <Esc>:call <SID>ToggleCPosition('normal! gv')<CR>

" Join / split lines
nnoremap <C-j> J
nnoremap <C-k> i<CR><Esc>

" Duplicate a line
nnoremap cx yyP
nnoremap cv yyp

" Folding
set foldmethod=marker

" Return to last edit position when opening files
autocmd BufReadPost *
        \ if line("'\"") > 0 && line("'\"") <= line("$") |
        \   exe "normal! g`\"" |
        \ endif

"----------------------------------------------------------------
" Text edition
"----------------------------------------------------------------
" Toggle case
nnoremap <Leader>z ~
vnoremap <Leader>z y:call setreg('', ToggleCase(@"), getregtype(''))<CR>gv""Pgv
vnoremap ~ y:call setreg('', ToggleCase(@"), getregtype(''))<CR>gv""Pgv

" Toggle and untoggle spell checking
let g:f8msg = 'Toggle spell checking.'
nnoremap <silent> <F8> :setlocal spell!<CR>:echo g:f8msg<CR>

" Toggle spell dictionary
nnoremap <silent> <F9> :call <SID>ToggleSpelllang()<CR>

" Move to next misspelled word
nnoremap zl ]s

" Find the misspelled word before the cursor
nnoremap zh [s

" Suggest correctly spelled words
nnoremap zp z=

" Copy text into the clipboard
vnoremap <Leader>y "+y

" Paste text from the clipboard
nnoremap <Leader>p "+p

" Quickly select the text pasted from the clipboard
nnoremap gV `[v`]

" Yank everything from the cursor to the EOL
nnoremap Y y$

" Yank the last pasted text automatically
vnoremap p pgvy

" Retab the selected text
nnoremap <Leader>tf :retab!<CR>
vnoremap <Leader>tf :retab!<CR>

" Isolate the current line
nnoremap <Leader>o m`o<Esc>kO<Esc>``

" Enter a new line Down from 'Normal Mode'
nnoremap <Leader>f mao<Esc>`a

" Enter a new line Up from 'Normal Mode'
nnoremap <Leader>F maO<Esc>`a

if &term =~ 'xterm'
  " When exiting Vim, set cursor to vertical bar |
  autocmd VimLeave * silent !echo -ne "\e[6 q"
endif