nvim/init.vim

let hostname = substitute(system('hostname'), '\n', '', '')
" =============Plugins==================
call plug#begin()
Plug 'morhetz/gruvbox'
Plug 'tomtom/tcomment_vim'
Plug 'bling/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
Plug 'tpope/vim-fugitive'
Plug 'airblade/vim-gitgutter'
" Plug 'Shougo/neosnippet.vim'
Plug 'honza/vim-snippets'
Plug 'vim-scripts/a.vim'
Plug 'luochen1990/rainbow'
if has("win32")
  Plug 'autozimu/LanguageClient-neovim', {
        \ 'branch': 'next',
        \ 'do': 'powershell -executionpolicy bypass -File install.ps1',
        \ }
else
  Plug 'autozimu/LanguageClient-neovim', {
        \ 'branch': 'next',
        \ 'do': 'bash install.sh',
        \ }
end
Plug 'junegunn/fzf'
if has("win32")
  if hostname == "perryWin64"
    Plug 'F:\Tools\fzf_win\'
  end
end
Plug 'Shougo/echodoc.vim'
Plug 'arakashic/chromatica.nvim', { 'do': ':UpdateRemotePlugins' }
call plug#end()
" =============Settings==================
filetype plugin on
filetype indent on
set nocompatible
set ignorecase " Case sensitive off
set incsearch
set encoding=utf-8
set nobackup
set noswapfile
set mouse=a
set spelllang=en,de
set spellsuggest=double,10
set list
set icon
set listchars=tab:>.,trail:.,extends:#,nbsp:.
set showmatch " Show pair braces
set hlsearch "Highlight search
syntax on
set number
set scrolloff=2

if has("win32")
    " set rop=type:directx
    let g:loaded_matchparen = 1
end

set clipboard+=unnamedplus " use system clipboard

" =================Look and feel=======================
set background=dark
colorscheme gruvbox

" =================Windows and Tabs====================
" Open a new tab with F2
map  <silent> <F2> <Esc>:tabnew <CR><ESC>:Explore<CR>
imap <silent> <F2> <Esc>:tabnew <CR><ESC>:Explore<CR>
map  <silent> <S-Right> :tabnext<CR>
map  <silent> <S-Left> :tabprevious<CR>
nmap <silent> <A-Up> :wincmd k<CR>
nmap <silent> <A-Down> :wincmd j<CR>
nmap <silent> <A-Left> :wincmd h<CR>
nmap <silent> <A-Right> :wincmd l<CR>
" Open a new vertical split window with Ctrl - F2
map  <silent> <C-F2> <Esc>:vsplit .<CR>
imap <silent> <C-F2> <Esc>:vsplit .<CR>
" Open a new horizontal split window with Shift - F2
map  <silent> <S-F2> <Esc>:split .<CR>
imap <silent> <S-F2> <Esc>:split .<CR>

" ========================Codestyle========================
set tabstop=2 " Size of a tab
set shiftwidth=2 " Die Einrückung
set expandtab "Tabs get spaces when inserting
set softtabstop=0
"set autoindent
"alignment ansi style (astyle)
set cindent " C-Code Style / Automatische Einrückung
set cinoptions=(0,u0,U0,:0,=0 "Einrückung wie bei astyle: :0 (switch), =0 (case), (0 (unclosed parentheses),
set modeline "Read indent comments (at end of file)

" ======================shortcut=======================
map <C-S> <ESC>:wa<CR>
imap <C-S> <ESC>:wa<CR>
"Jump to last modification line
map ö `.
nnoremap ü :let @/='\<<C-R>=expand("<cword>")<CR>\>'<CR>:set hls<CR>
vnoremap <silent> ü :<C-U>
  \let old_reg=getreg('"')<Bar>let old_regtype=getregtype('"')<CR>
  \gvy:let @/=substitute(
  \escape(@", '/\.*$^~['), '\_s\+', '\\_s\\+', 'g')<CR>
  \gV:call setreg('"', old_reg, old_regtype)<CR>:set hls<CR>

"map jump back to ctrl+-
nnoremap <C--> <C-O>

" =================Comments============================
map <C-C> :TComment<CR>

" =================Python==============================
if has("win32")
  if hostname == "perryWin64"
    let g:python3_host_prog="f:\\Tools\\Python\\python.exe"
    let g:python_host_prog="f:\\Tools\\Python27\\python.exe"
  end
end

" =========================Deoplete====================
let g:deoplete#enable_at_startup = 1
let g:deoplete#auto_complete_start_length = 1 
let g:deoplete#enable_smart_case = 1
" =========================neosnippet==================
" " Enable snipMate compatibility feature.
let g:neosnippet#enable_snipmate_compatibility = 1
" Tell Neosnippet about the other snippets
imap <expr><TAB> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : pumvisible() ? "\<C-n>" : "\<TAB>" 
smap <expr><TAB> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : "\<TAB>"
" conceal neosnippet markers
" =====================A======================
" Function for switching between header and c* files
map <F5> :wa <CR> :A<CR>
imap <F5> <Esc>:wa<CR>:A<CR>i
map <C-F5> :AV<CR>
imap <C-F5> <Esc>:AV<CR>i
map <S-F5> :AT<CR>
imap <S-F5> <Esc>:AT<CR>i
let g:alternateSearchPath = 'sfr:../source,sfr:../src,sfr:../include,../../include,sfr:../inc,sfr:../h'
" Dont create the file if the .cpp or .h is not found
let g:alternateNoDefaultAlternate = 1

" ===========RAINBOW====================
let g:rainbow_active = 1
let g:rainbow_conf = { 
            \'separately': {
            \       'cmake': {
            \           'parentheses': [],
            \       },
            \}
            \}

" ===================LanguageServer==================
let g:LanguageClient_serverCommands = {
  \ 'cpp': ['clangd'],
  \ }
nnoremap <silent> K :call LanguageClient#textDocument_hover()<CR>
nnoremap <silent> gd :call LanguageClient#textDocument_definition({'gotoCmd': 'tabedit'})<CR>
nnoremap <silent> <F3> :call LanguageClient_contextMenu()<CR>
vnoremap <silent> <F3> :call LanguageClient_contextMenu()<CR>
nnoremap <silent> <F6> :call LanguageClient_textDocument_documentSymbol()<CR>

let g:LanguageClient_hasClientSupport = 0
" ===================EchoDoc=========================
set cmdheight=2
let g:echodoc#enable_at_startup = 1
let g:echodoc#type = 'signature'
" ===================FZF=============================
nnoremap <C-P> :FZF<CR>
let g:fzf_action = {
  \ 'enter': 'tab split',
  \ 'ctrl-x': 'split',
  \ 'ctrl-v': 'vsplit' }
" ===================Chromatica======================
let g:chromatica#enable_at_startup=1
if has("win32")
  if hostname == "perryWin64"
    let g:chromatica#libclang_path='F:\Tools\LLVM\bin\libclang.dll'
  end
end