Simple dwm like window managment for vim

dwm.vim

" Simple DWM like window managment for vim windows
fun! WinFocus(winnr)
  " this assumes that windows have a two column layer: master windows on the
  " left, and right column consists of a list of opened windows
  if a:winnr == 0
    let l:winnr = winnr()
  else
    let l:winnr = a:winnr
  endif
  if l:winnr == 1
    let l:winnr = 2
  endif
  set lazyredraw
  1wincmd w
  wincmd K 
  exe l:winnr . "wincmd w"
  wincmd H
  set lazyredraw!
endfun
com -count=0 -addr=windows WinFocus :call WinFocus(<count>)
nm <c-w><c-f> :WinFocus<cr>
nm <C-w>f     :WinFocus<cr>