Playing around with a minimap toggle for vim. When activated, gives an overview of the current window and highlights the text that was in the visible area. Still needs some tweaking.

gistfile1.vim

function! ToggleMinimap()
	if exists("s:isMini") && s:isMini == 0
		let s:isMini = 1
	else
		let s:isMini = 0
	end

	if (s:isMini == 0)
		" save current visible lines
		let s:firstLine = line("w0")
		let s:lastLine = line("w$")

		" resize each window
		" windo let w=winwidth(0)*12 | exe "set winwidth=" . w
		" windo let h=winheight(0)*12 | exe "set winheight=" . h

		" don't change window size
		let c = &columns * 12
		let l = &lines * 12
		exe "set columns=" . c
		exe "set lines=" . l

		" make font small
		set guifont=ProggyTiny:h1
		
		" highlight lines which were visible
		let s:lines = ""
		for i in range(s:firstLine, s:lastLine)
			let s:lines = s:lines . "\\%" . i . "l"

			if i < s:lastLine
				let s:lines = s:lines . "\\|"
			endif
		endfor

		exe 'match Visible /' . s:lines . '/'
		hi Visible guibg=lightblue guifg=black term=bold
	else
		set guifont=Menlo:h12
		hi clear Visible
	endif
endfunction

command! ToggleMinimap call ToggleMinimap()
nnoremap m :ToggleMinimap<CR>

Interested in this, but the only effect it had was to make my window bigger and hide all the text.

@keflavich The "zoomed out" font is hardcoded as ProggyTiny, try installing or replace with a different small font. I'll see what I can do to clean this up :)

Could you give us a screenshot? @joepestro

@zhouzhuojie http://img.ly/7qsx