.vimrc

set nocompatible
set hidden

call plug#begin('~/.vim/plugged')

Plug 'git://github.com/lifepillar/vim-solarized8'
Plug 'git://github.com/vim-airline/vim-airline'
Plug 'git://github.com/vim-airline/vim-airline-themes'

Plug 'git://github.com/airblade/vim-gitgutter'
Plug 'git://github.com/kien/ctrlp.vim'
Plug 'git://github.com/mhinz/vim-grepper'
Plug 'git://github.com/scrooloose/nerdtree'
Plug 'git://github.com/thinca/vim-visualstar'
Plug 'git://github.com/kshenoy/vim-signature'
Plug 'https://github.com/tpope/vim-surround'

Plug 'liuchengxu/vim-which-key'

Plug 'prabirshrestha/asyncomplete.vim'
Plug 'prabirshrestha/async.vim'
Plug 'prabirshrestha/vim-lsp'
Plug 'prabirshrestha/asyncomplete-lsp.vim'

call plug#end()

set encoding=utf-8
set termencoding=utf-8

" terminal color hack
let &t_8f="\<Esc>[38;2;%lu;%lu;%lum"
let &t_8b="\<Esc>[48;2;%lu;%lu;%lum"
set termguicolors

syntax on

set background=dark
colorscheme solarized8_flat

set directory=~/.vim/swapfiles//

set nowrap              " disable visual line breaking
set linebreak           " enable physical line breaking
set textwidth=100       " break lines over 100 characters long
set backspace=2         " make backspace work over line breaks and for text that wasn't written
                        " during this "insert" session.
set tabstop=4
set shiftwidth=4        " 1 tab = 4 columns
set expandtab           " soft tabs (spaces instead)
set softtabstop=4       " delete whole "tab" of 4 spaces
set autoindent          " keep indentation when breaking lines

set noshowmode          " don't show the -- INSERT -- text
set laststatus=2        " always show the status bar

set ttymouse=sgr
set mouse=a             " scroll in vim, not history
set ttimeoutlen=10      " reduce delay when leaving INSERT mode

set showmatch           " show matching [{( )}]
set hlsearch            " highlight search matches
set incsearch           " search while typing
set ignorecase          " need to have this to enable smartcase

set smartcase           " ignore case for fully-lowercase searches

set number              " show line numbers
set cursorline          " highlight the current line number

hi CursorLine term=none cterm=none gui=none ctermbg=none

" make vertical split bar less intrusive
" NB. whitespace after \ significant
:set fillchars+=vert:\ 

" Vim-Airline settings
let g:airline_theme='solarized'
let g:airline_solarized_bg='dark'
let g:airline_solarized_dark_inactive_border=1

" do not echo to command bar
let g:bufferline_echo = 0

let mapleader="\<SPACE>"

" Close buffer but keep split window open
nmap ,d :b#<bar>bd#<bar>b<CR>

map <ScrollWheelUp> <C-Y>
map <ScrollWheelDown> <C-E>

nnoremap <Leader>wh <c-w>h
nnoremap <Leader>wj <c-w>j
nnoremap <Leader>wk <c-w>k
nnoremap <Leader>wl <c-w>l

let g:gitgutter_sign_added = '· '
let g:gitgutter_sign_modified = '· '
let g:gitgutter_sign_removed = '· '
let g:gitgutter_sign_removed_first_line = '· '
let g:gitgutter_sign_modified_removed = '· '

let g:ctrlp_working_path_mode = 'ra'
" Make ctrlp ignore files from gitignore
" From https://github.com/kien/ctrlp.vim/issues/174
let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']

" shortcuts for CtrlP
nnoremap <Leader>ff :CtrlP<CR>
nnoremap <Leader>fb :CtrlPBuffer<CR>
nnoremap <Leader>fm :CtrlPMRU<CR>
nnoremap <Leader>ft :CtrlPTag<CR>

" tag shortcuts
nnoremap <Leader>tn :tnext<CR>
nnoremap <Leader>tp :tprev<CR>

" for vim-grepper
nnoremap <Leader>gf :Grepper<Space>-query<Space>
nnoremap <Leader>gb :Grepper<Space>-buffers<Space>-query<Space>

vnoremap <Leader>gf y:Grepper<Space>-query<Space><C-r>"
vnoremap <Leader>gb y:Grepper<Space>-buffers<Space>-query<Space><C-r>"

" NERDTree
nnoremap <Leader>nn :NERDTreeToggle<CR>
nnoremap <Leader>nf :NERDTreeFind<CR>

" GitGutter
nnoremap <Leader>hn :GitGutterNextHunk<CR>

nnoremap <silent> <leader> :WhichKey '<Space>'<CR>
set timeoutlen=500

" Autocomplete
let g:asyncomplete_smart_completion = 1
let g:asyncomplete_auto_popup = 1

"autocmd! CompleteDone * if pumvisible() == 0 | pclose | endif

inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<cr>"

nnoremap <Leader>sd :LspDefinition<CR>
nnoremap <Leader>ss :LspDocumentSymbol<CR>
nnoremap <Leader>si :LspHover<CR>
nnoremap <Leader>sr :LspRename<CR>

let g:minimap_toggle='<Leader>mm'

set cot-=preview

if executable('clangd')
    au User lsp_setup call lsp#register_server({
        \ 'name': 'clangd',
        \ 'cmd': {server_info->['clangd']},
        \ 'whitelist': ['c', 'cpp', 'objc', 'objcpp'],
        \ })
endif

if executable('pyls')
    au User lsp_setup call lsp#register_server({
        \ 'name': 'pyls',
        \ 'cmd': {server_info->['pyls']},
        \ 'whitelist': ['python'],
        \ })
endif