Tip #592: Smart <Home> and <End> keymaps

I found interesting the way <Home> and <End> keys act in some editors and I wondered why try not
carry it out with Vim.
Put the following lines in your ~/.vimrc and so <Home> will move the cursor between the first column and
the first non-blank character. <End> is similar but work at the end of the line.
I think this should be very useful to the indented code and trailing characters.

let g:home_key = '0'
let g:end_key = '$'

function ToggleHome()
  exe "normal! \<Esc>".g:home_key
  let g:home_key = g:home_key == '0'? '^' : '0'
endfunction

function ToggleEnd()
  exe "normal! \<Esc>".g:end_key
  let g:end_key = g:end_key == '$'? 'g_' : '$'
endfunction

inoremap <silent> <Home> <Esc>:call ToggleHome()<CR>i
nnoremap <silent> <Home> :call ToggleHome()<CR>
inoremap <silent> <End> <Esc>:call ToggleEnd()<CR>a
nnoremap <silent> <End> :call ToggleEnd()<CR>

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