mappings.vim

" Mappings ----------------------------
" Use ; for commands
nnoremap ; :
" Go to beginning of line
nnoremap H ^
" Go to end of line
nnoremap L $
" Go to beginning of line
vnoremap H ^
" Go to end of line
vnoremap L $

inoremap jj <Esc>     " Map jj to ESC
inoremap kk <Esc>     " Map kk to ESC

nnoremap Y y$         " act like D and C, i.e. to yank until EOL
nnoremap Q gq         " dont use Ex mode, use Q for formatting

nnoremap ! :!

" Disable arrow keys in normal mode
nnoremap <Left>  <NOP>
nnoremap <Right> <NOP>
nnoremap <Up>    <NOP>
nnoremap <Down>  <NOP>

" Resize splits using Ctrl + arrow keys
nnoremap <C-Up>    <C-W>-
nnoremap <C-Down>  <C-W>+
nnoremap <C-Left>  5<C-W><
nnoremap <C-Right> 5<C-W>>

" Improve window movement
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" Keep visual mode after indenting
xnoremap < <gv
xnoremap > >gv

" Comment a line/block
nmap <leader>c gcc
xmap <leader>c gc

" Appends an edit command with the path of the currently edited file filled in
nnoremap <leader>e :e <C-R>=expand('%:p:h') . '/'<CR>

" Clear search highlight hitting space twice
nnoremap <silent> <space><space> :noh<CR>

nnoremap <leader>w :w<CR>       " Save
nnoremap <leader>q :q<CR>       " Quit
nnoremap <leader>v :vsp<CR>  " New vertical window
nnoremap <leader>s :sp<CR>   " New horizontal window

if exists(':Files')
  nnoremap <silent> <C-p> :Files<CR>
endif

if exists(':BufSurfBack')
  nnoremap <silent> <Tab> :BufSurfBack<CR> " Previous buffer
  nnoremap <silent> <S-Tab> :BufSurfForward<CR> " Next buffer
else
  nnoremap <silent> <Tab> :bprevious<CR>
  nnoremap <silent> <S-Tab> :bnext<CR>
endif

nnoremap <C-c> :bnext\|bdelete #<CR>

if exists(':NERDTreeToggle')
  nnoremap <leader>0 :NERDTreeToggle<CR>
else
  nnoremap <leader>0 :Lexplore<CR>
endif

" recursively open/close current fold
nnoremap <leader>t zA