vimrc

set nocompatible              " be iMproved, required
filetype off                  " required

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim

call vundle#begin()
" VUNDLE FOR PLUGIN MANAGER
Plugin 'VundleVim/Vundle.vim'

" GUI RELATED PLUGINS
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
Plugin 'scrooloose/nerdtree'
Plugin 'PhilRunninger/nerdtree-visual-selection'
Plugin 'ctrlpvim/ctrlp.vim'
Plugin 'junegunn/vim-slash'
Plugin 'szw/vim-maximizer'

"" GIT GUI
Plugin 'airblade/vim-gitgutter'
Plugin 'tpope/vim-fugitive'
"Plugin 'xuyuanp/nerdtree-git-plugin' "incompatible issues in centos 8??

""" FOR COMMENTING
Plugin 'chrisbra/vim-commentary' 
Plugin 'sakshamgupta05/vim-todo-highlight'

" COLOR SCHEMES
Plugin 'flazz/vim-colorschemes'
Plugin 'morhetz/gruvbox'

" SYNTATIC LANGUAGE SUPPORT
Plugin 'w0rp/ale'
Plugin 'natebosch/vim-lsc'

" HIGHLIGHTING
Plugin 'yggdroot/indentline'
Plugin 'andymass/vim-matchup'
Plugin 'machakann/vim-highlightedyank'

" AUTO COMPLETE
Plugin 'CmdlineComplete'
" Plugin 'ycm-core/YouCompleteMe'

" JUMPING TO DEFINITION
Plugin 'jlanzarotta/bufexplorer'
Plugin 'universal-ctags/ctags'

" USING THE SYSTEM CLIPBOARD
Plugin 'christoomey/vim-system-copy'

" DEBUG
Plugin 'puremourning/vimspector' "I really should work on setting this up


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" LANGUAGE SPECIFIC PLUGINS
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" PLUGIN FOR SCALA
Plugin 'derekwyatt/vim-scala'

" PLUGIN FOR GO
Plugin 'fatih/vim-go'

call vundle#end()
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

" colors
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set background=dark 
colorscheme jellybeans

" syntax
syntax enable

" tabs and spaces
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set tabstop=2
set softtabstop=2
set shiftwidth=2
set expandtab

" backspace to prev line
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set backspace=indent,eol,start

" ui configs
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set number             " show line numbers
" set relativenumber     " show relative numbering
set showcmd            " show command on bottom bar
set cursorline         " highlight current line
set showmatch          " show matching [{()}]
set wildmenu           " autocomplete for command line
set updatetime=100     " some plugins require fast update time
set ttyfast            " Improve redrawing
set mouse+=a           " mouse support - necessary evil
set encoding=utf-8     " set korean incodings
set termencoding=utf-8 " set korean incodings
set ttimeout           " faster esc
set ttimeoutlen=50     " faster esc 50ms
set clipboard=unnamedplus
filetype indent on     " load filetype-specific indent files
filetype plugin on     " load filetype-specific plugin files

" search options
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set incsearch          " search as characters are entered
set hlsearch           " highlight matches
set ignorecase         " ignore case
set smartcase          " but make it case sensitive if an uppercase in entered

" for vim-airline
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set noshowmode         " no show mode for default
set laststatus=2       " turn on bottom bar
let g:airline#extensions#tabline#enabled = 1 " turn on buffer list
let g:airline_theme='distinguished'

" for indentLine
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:indentLine_color_term = 243
let g:indentLine_char_list = ['|', '¦', '┆', '┊']

" tmux color
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set term=screen-256color

" buffer setup
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set hidden             " hide buffer
" set autowrite          " for buffer autowrite

" code folding
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set foldmethod=manual

" better view for nerdtree
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let NERDTreeIgnore =['\.o$']
let NERDTreeSortOrder=['\.c$']

" minimap visual
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:minimap_highlight='Visual'

" highlighted yank config for older vim
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if !exists('##TextYankPost')
    map y <Plug>(highlightedyank)
endif


" termdebug config
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
packadd termdebug
let g:termdebug_wide=1
let g:termdebug_leftsource = 1
let g:termdebug_focussource = 1
let g:termdebug_disable_toolbar = 1


" add keywords like TODO, FIXME, NOTE, HACK, FEAT
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
function! UpdateTodoKeywords(...)
  let newKeywords = join(a:000, " ")
  let synTodo = map(filter(split(execute("syntax list"), '\n') , { i,v -> match(v, '^\w*Todo\>') == 0}), {i,v -> substitute(v, ' .*$', '', '')})
  for synGrp in synTodo
    execute "syntax keyword " . synGrp . " contained " . newKeywords
  endfor
endfunction

augroup now
  autocmd!
  autocmd Syntax * call UpdateTodoKeywords("NOTE", "HACK", "FEAT")
augroup END

" ctags (jumping to def)
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set tags=tags

" auto update ctags when a file is written
function! DelTagOfFile(file)
	let fullpath = a:file
	let cwd = getcwd()
	let tagfilename = cwd . "/tags"
	let f = substitute(fullpath, cwd . "/", "", "")
	let f = escape(f, './')
	let cmd = 'sed -i "/' . f . '/d" "' . tagfilename . '"'
	let resp = system(cmd)
endfunction

function! UpdateTags()
	let f = expand("%:p")
	let cwd = getcwd()
	let tagfilename = cwd . "/tags"
	let cmd = 'ctags -a -f ' . tagfilename . ' --c++-kinds=+p --fields=+iaS --extra=+q ' . '"' . f . '"'
	call DelTagOfFile(f)
	let resp = system(cmd)
endfunction

autocmd BufWritePost *.cpp,*.h,*.c call UpdateTags()
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""


" -------------------------- Key Mappings ---------------------------

" Buffers - next/previous : ctrl-k / ctrl-k
nnoremap <silent> <C-l> :bn<CR>
nnoremap <silent> <C-h> :bp<CR>

" Search results centered please
nnoremap <silent> n nzz
nnoremap <silent> N Nzz
nnoremap <silent> * *zz
nnoremap <silent> # #zz
nnoremap <silent> g* g*zz
nnoremap <C-o> <C-o>zz
nnoremap <C-i> <C-i>zz

" faster Scroll
nnoremap <C-e> 10<C-e>
nnoremap <C-y> 10<C-y>

" for nerdtree
map <C-n> :NERDTreeToggle<CR>

" Leader
let mapleader=" "       " leader is space

"  y d p P   --  Quick copy paste into system clipboard
nmap <Leader>y "+y
nmap <Leader>d "+d
vmap <Leader>y "+y
vmap <Leader>d "+d
nmap <Leader>p "+p
nmap <Leader>P "+P
vmap <Leader>p "+p
vmap <Leader>P "+P

" for minimap toggle
let g:minimap_toggle='<leader>mt'