runtime ftplugin/man.vim

set nocompatible            " don't be compatible to vi
set showcmd                 " show entered commands in status line
set showmatch               " show matching brackets
set autoindent              " indent new lines correctly
set hlsearch                " highlight search results
set ignorecase              " case-insensitive searching
set background=dark         " color scheme for dark background
set title                   " set terminal title
set ruler                   " show line/column of cursor in status line
set tabstop=4               " display a tab as 4 spaces
"set softtabstop=4          " (soft) indent tabs with 4 spaces
set shiftwidth=4            " (auto)indent with 4 spaces (> <)
set noexpandtab             " don't expand tabs to spaces
set nobackup                " don't keep backup files
set showtabline=2           " always show tab line
set hidden                  " change buffers without saving
set cursorline              " highlight current cursor line
set scrolloff=4             " keep 4 lines context when scrolling
set laststatus=2            " always show status line
set ttimeoutlen=50          " faster switch from insert to normal mode
set noshowmode              " don't show current mode (done by airline)
set encoding=utf-8          " use utf8 by default
set number                  " enable line numbers
set relativenumber          " show relative line numbers
set updatetime=100          " update gutter more often
set tags^=./.git/tags;      " upwards search for tags file in .git/
set wildmenu                " enable wildmenu for command completion
set wildmode=list:longest,full      " use a bash-like command completion mode
set backspace=indent,eol,start      " enable backspacing
set diffopt^=indent-heuristic,algorithm:histogram       " better diffing
set grepprg=rg\ --color\ never\ --with-filename\ --column\ --no-heading\ --word-regexp\ --smart-case   " use ripgrep for grepping
let mapleader=","           " more convenient leader
syntax on                   " enable syntax highlighting
filetype plugin indent on

if exists('*popup_create')
    set completeopt=menu,popup  " use popup instead of preview window for completions
endif

set directory=~/.vim/swap,.,~/tmp,/var/tmp,/tmp     " directory where to save/search swap files
set viminfo+=n~/.vim/viminfo                        " different location for viminfo file

" make indentation and trailing whitespaces visible
set list listchars=tab:·\ ,trail:·

" autocommands
autocmd FileType python setlocal tabstop=4 softtabstop=0
autocmd FileType c      setlocal tabstop=4 softtabstop=0 noexpandtab
autocmd FileType perl   setlocal tabstop=4 softtabstop=4 expandtab
autocmd FileType yaml   setlocal tabstop=2 softtabstop=2 shiftwidth=2 expandtab
autocmd FileType mail   setlocal spell spelllang=de_20,en_us
autocmd FileType vimwiki  setlocal tabstop=4 softtabstop=4 shiftwidth=4 expandtab

autocmd InsertEnter * if &number | set norelativenumber | endif
autocmd InsertLeave * if &number | set relativenumber | endif

" show cursorline only in active window
augroup CursorLine
    autocmd!
    autocmd VimEnter,WinEnter,BufWinEnter * set cursorline
    autocmd WinLeave * set nocursorline
augroup END

" highlighting settings
if (&t_Co == 88)
    highlight CursorLine cterm=NONE ctermbg=81
elseif (&t_Co == 256)
    highlight CursorLine cterm=NONE ctermbg=237
    highlight CursorLineNr cterm=NONE ctermbg=NONE
    highlight Folded cterm=NONE ctermbg=239
    highlight SignColumn ctermbg=234
    highlight LineNr ctermfg=lightyellow ctermbg=234
    highlight SpecialKey ctermfg=darkgray
    highlight Pmenu ctermbg=darkgray
else
    highlight CursorLine cterm=NONE ctermbg=darkgray
endif

" colorscheme
colorscheme srcery


" file browser
let g:netrw_liststyle=3             " tree style listing
let g:netrw_banner=0                " suppress banner on top
"let g:netrw_browse_split=3         " open files in new tab
let g:netrw_list_hide='^\..*$'      " don't show hidden files


" key mappings
nnoremap    <silent> <SPACE>        :nohlsearch<CR>
nmap        tn                      :tabnew<CR>
nmap        tc                      :tabclose<CR>
noremap     <silent> <F3>           :ToggleBufExplorer<CR>
nnoremap    <silent> <F4>           :TagbarToggle<CR>
nnoremap    <silent> <C-p>          :Files<CR>

" disable arrow keys
noremap     <Up>                    <Nop>
noremap     <Down>                  <Nop>
noremap     <Left>                  <Nop>
noremap     <Right>                 <Nop>

" different keycodes in urxvt
nmap        <ESC>[5^                <C-PageUp>
nmap        <ESC>[6^                <C-PageDown>

" more convenient grepping
command -nargs=+ Grep execute 'silent grep! <args>' | execute 'redraw!' | execute 'copen'
nnoremap    <leader>g               :Grep <cword><CR>


" folding settings;  disabled for now because of performance problems
"set foldmethod=syntax              " fold automatically by syntax rules
"set foldlevel=0                    " fold from top level
"set foldnestmax=1                  " fold only 1 level
"let perl_fold=1
"let perl_nofold_packages=0

" GPG settings
augroup GnuPGExtra
    autocmd User GnuPG setl foldmethod=marker foldclose=all foldopen=insert foldtext=v:folddashes.getline(v:foldstart)
augroup END

" BufExplorer settings
let g:bufExplorerSplitHorzSize=15
let g:bufExplorerSplitVertSize=40
let g:bufExplorerDefaultHelp=0
let g:bufExplorerShowNoName=1

" airline settings
let g:airline#extensions#whitespace#enabled=0
let g:airline#extensions#tabline#enabled=1

" LSC settings
let g:lsc_auto_map=v:true
let g:lsc_auto_map={'defaults': v:true, 'NextReference':'', 'PreviousReference':''}
let g:lsc_server_commands=
            \ { 'rust': {
            \       'command': 'rust-analyzer',
            \       'log_level': -1,
            \       'suppress_stderr': v:true
            \   },
            \   'c': {
            \       'command': ['ccls', '--init={"cache":{"directory":"' . $HOME . '/.cache/ccls-cache"}}'],
            \       'log_level': -1,
            \       'suppress_stderr': v:true
            \   },
            \   'cpp': {
            \       'command': ['ccls', '--init={"cache":{"directory":"' . $HOME . '/.cache/ccls-cache"}}'],
            \       'log_level': -1,
            \       'suppress_stderr': v:true
            \   }
            \ }

" vim: set et:sw=4:sts=4