.vimrc and plugins (using pathogen)

.vim

.vimrc

" VIM Configuration File
" Description: Optimized for C/C++ development, but useful also for other things.
" Source Author: Gerhard Gappmeier
" Modified By: Varun Talwar

" Plugins Used
" - Make Sure to setup pathogen before using any of the following plugins: https://github.com/tpope/vim-pathogen
" - gruvbox (note, once installed you will have to link `gruvbox/colors/gruvbox.vim` to `~/.vim/colors/gruvbox.vim`
" - kotlin-vim
" - nerdcommenter
" - nerdtree
" - nerdtree-git-plugin
" - rust.vim
" - syntastic
" - vim-airline (This will require the powerline fonts: https://github.com/powerline/fonts)
" - vim-fugitive
" - vim-gitgutter
" - vim-glsl
" - vim-lldb
" - vim-multiple-cursor
" - vim-nerdtree-tabs

" set UTF-8 encoding
set enc=utf-8
set fenc=utf-8
set termencoding=utf-8
" disable vi compatibility (emulation of old bugs)
set nocompatible
" use indentation of previous line
set autoindent
" use intelligent indentation for C
set smartindent
" configure tabwidth and insert spaces instead of tabs
set tabstop=4        " tab width is 4 spaces
set shiftwidth=4     " indent also with 4 spaces
set expandtab        " expand tabs to spaces
" wrap lines at 120 chars. 80 is somewaht antiquated with nowadays displays.
set textwidth=120
" turn syntax highlighting on
set t_Co=256
syntax on
" colorscheme xoria256
" colorscheme zenburn
" colorscheme wombat256mod
colorscheme gruvbox
:set bg=dark

" Column color for 121
set ruler
set colorcolumn=121
highlight COlorColumn ctermbg=Black

" turn line numbers on
set number
" turn relative line numbers on
set relativenumber
" highlight matching braces
set showmatch
" intelligent comments
set comments=sl:/*,mb:\ *,elx:\ */

" vi search fanciness
" incremental searching
set incsearch
" searching string highlighting
set hlsearch

" allow erasing previously entered characters in insert mode
:set backspace=indent,eol,start

" Install DoxygenToolkit from http://www.vim.org/scripts/script.php?script_id=987
let g:DoxygenToolkit_authorName="John Doe <john@doe.com>"

" Enhanced keyboard mappings
"
" in normal mode F2 will save the file
nmap <F2> :w<CR>
" in insert mode F2 will exit insert, save, enters insert again
imap <F2> <ESC>:w<CR>i
" switch between header/source with F5
map <F5> :vsplit %:p:s,.h$,.X123X,:s,.cpp$,.h,:s,.X123X$,.cpp,<CR>
map <F6> :e %:p:s,.h$,.X123X,:s,.cpp$,.h,:s,.X123X$,.cpp,<CR>

" reload tabs
map <Leader>rt :tabdo e<cr>
" reload buffers
map <Leader>rb :bufdo e<cr>
" Gdiff HEAD
map <Leader>gd :Gdiff<cr>
" Gdiff master
map <Leader>gm :Gdiff master<cr>

" Tangram Building
" Tangram Android clean 
map <Leader>xA :make clean-android<cr>
" Tangram Android build
map <Leader>a :make android -j<cr>
" Tangram Android build and run
map <Leader>A :make android -j; android/run.sh<cr>
" Tangram Linux clean 
map <Leader>xL :make clean-linux<cr>
" Tangram Linux build
map <Leader>l :make linux -j<cr>
" Tangram Linux run
map <Leader>L :make linux -j; cd build/linux/bin; ./tangram; cd ../../..<cr>
" Tangram OSX clean
map <Leader>xO :make clean-osx -j<cr>
" Tangram OSX build
map <Leader>o :make osx -j<cr>
" Tangram OSX run
map <Leader>O :./build/osx/bin/tangram.app/Contents/MacOS/tangram<cr>
" Api trace on tangram
map <F9> :!apitrace trace ./build/osx/bin/tangram.app/Contents/MacOS/tangram<CR>
" Run Apitrace on the traces generated
map <F10> :!qapitrace ./build/osx/bin/tangram.app/Contents/Resources/tangram.trace<CR>

" maping to remove traling whitespaces: F4
:nnoremap <silent> <F4> :let _s=@/<Bar>:%s/\s\+$//e<Bar>:let @/=_s<Bar>:nohl<CR>

" Underline using dashes automatically
" " Underline the current line with dashes in normal mode
nnoremap <F7> yyp<c-v>$r-
" Underline the current line with dashes in insert mode
nnoremap <F7> <Esc>yyp<c-v>$r-A

" autocomand to remove all trailing whitespaces on a save
" autocmd BufWritePre * :%s/\s\+$//e
autocmd FileType c,cpp,java,php autocmd BufWritePre <buffer> :%s/\s\+$//e

" in diff mode we use the spell check keys for merging
if &diff
  ” diff settings
  set diffopt+=vertical
  map <M-Down> ]c
  map <M-Up> [c
  map <M-Left> do
  map <M-Right> dp
  map <F9> :new<CR>:read !svn diff<CR>:set syntax=diff buftype=nofile<CR>gg
" else
  " spell settings
"  :setlocal spell spelllang=en
  " set the spellfile - folders must exist
"  set spellfile=~/.vim/spellfile.add
"  map <M-Down> ]s
"  map <M-Up> [s
endif


" Adding Runtime Path Manipulation for pathogen.vim
" refer: https://github.com/tpope/vim-pathogen
execute pathogen#infect()

" setting libclang path lookup for clangComplete to work
let s:clang_library_path='/Library/Developer/CommandLineTools/usr/lib'
if isdirectory(s:clang_library_path)
    let g:clang_snippets=1
    let g:clang_close_preview=1
    let g:clang_library_path=s:clang_library_path
    let g:clang_hl_errors=1
    let g:clang_user_options='-std=c++11'
endif

" Hoping to get trackpad scrolling with vi
set mouse=a
map <ScrollWheelUp> <C-Y>
map <ScrollWheelDown> <C-E>

" Enablig code folding
set foldmethod=manual

" enable filetype plugins
filetype plugin indent on
filetype plugin on

" more smart mapping to make sure to have the matching braces automatically added
":inoremap { {<CR>}<Esc>ko

" Allow saving of files as sudo when I forgot to start vim using sudo.
cmap w!! w !sudo tee > /dev/null %

" mapping to switch between vertical and horizontal splits
" nmap <ESC>w :wincmd k<CR>  " shift to upper split
" nmap <ESC>s :wincmd j<CR>  " shift to lower split
" nmap <ESC>a :wincmd h<CR>  " shift to left split
" nmap <ESC>d :wincmd l<CR>  " shift to right split
" Now option key is mapped to ESC in the terminal preferences instead of hex value and hence the above changes
nmap ∑ :wincmd k<CR>
nmap ß :wincmd j<CR>
nmap å :wincmd h<CR>
nmap ∂ :wincmd l<CR>

" Launch vi with NERDTree by default
"autocmd VimEnter * NERDTree
" Moves the cursor in the new window and not in the NERDTree window
"autocmd VimEnter * wincmd p
" Map NERDTreeTabsToggle to something useful
nmap <ESC>n :NERDTreeTabsToggle
" Open NERDTree on console vim startup
let g:nerdtree_tabs_open_on_console_startup = 1
let g:nerdtree_tabs_autofind = 1

" using powerline font
set guifont=Liberation\ Mono\ for\ Powerline\ 10
" vim-airline configuration
set laststatus=2
let g:airline_powerline_fonts = 1
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

" powerline symbols for vim-airline
let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_symbols.branch = ''
let g:airline_symbols.readonly = ''
let g:airline_symbols.linenr = ''

" Settings for syntastic plugin
" set statusline+=%#warningmsg#
 "set statusline+=%{SyntasticStatuslineFlag()}
 "set statusline+=%*

 "let g:syntastic_always_populate_loc_list = 1
 "let g:syntastic_auto_loc_list = 1
 "let g:syntastic_check_on_open = 1
 "let g:syntastic_check_on_wq = 0
 ""Use c++11 for syntastic
 "let g:syntastic_cpp_compiler = 'clang++'
 "let g:syntastic_cpp_compiler_options = ' -std=c++11 -stdlib=libc++'
 ""Diable Java checks for syntastic
 let g:syntastic_mode_map = { 'passive_filetypes' : ['java'] }

 " gitgutter configuration
let g:gitgutter_max_signs = 5000 "update gitgutter to allow more hunks

" Custom Delimiters for NerdCommenter (to respect glsl shaders) ... follow cpp commenting scehem
" let g:NERDCustomDelimiters = {
"    \ ‘glsl’ : { ‘left': ‘//‘, ‘leftAlt’: ‘/’, ‘rightAlt’: ‘/‘ },
"    \ ‘vs’ : { ‘left': ‘//‘, ‘leftAlt’: ‘/’, ‘rightAlt’: ‘/‘ },
"    \ ‘fs’ : { ‘left': ‘//‘, ‘leftAlt’: ‘/’, ‘rightAlt’: ‘/‘ },
"    \ }
    
" NERDTree-git-plugin config
let g:NERDTreeIndicatorMapCustom = {
    \ "Modified"  : "✹",
    \ "Staged"    : "✚",
    \ "Untracked" : "✭",
    \ "Renamed"   : "➜",
    \ "Unmerged"  : "═",
    \ "Deleted"   : "✖",
    \ "Dirty"     : "✗",
    \ "Clean"     : "✔︎",
    \ "Unknown"   : "?"
    \ }