git.r.bdr.sh - rbdr/dotfiles/blob - vim/autoload/togglebg.vim

   1 " Toggle Background
   2 " Modified:     2011 Apr 29
   3 " Maintainer:   Ethan Schoonover
   4 " License:      OSI approved MIT license
   5
   6 if exists("g:loaded_togglebg")
   7     finish
   8 endif
   9 let g:loaded_togglebg = 1
  10
  11 " noremap is a bit misleading here if you are unused to vim mapping.
  12 " in fact, there is remapping, but only of script locally defined remaps, in
  13 " this case <SID>TogBG. The <script> argument modifies the noremap scope in
  14 " this regard (and the noremenu below).
  15 nnoremap <unique> <script> <Plug>ToggleBackground <SID>TogBG
  16 inoremap <unique> <script> <Plug>ToggleBackground <ESC><SID>TogBG<ESC>a
  17 vnoremap <unique> <script> <Plug>ToggleBackground <ESC><SID>TogBG<ESC>gv
  18 nnoremenu <script> Window.Toggle\ Background <SID>TogBG
  19 inoremenu <script> Window.Toggle\ Background <ESC><SID>TogBG<ESC>a
  20 vnoremenu <script> Window.Toggle\ Background <ESC><SID>TogBG<ESC>gv
  21 tmenu Window.Toggle\ Background Toggle light and dark background modes
  22 nnoremenu <script> ToolBar.togglebg <SID>TogBG
  23 inoremenu <script> ToolBar.togglebg <ESC><SID>TogBG<ESC>a
  24 vnoremenu <script> ToolBar.togglebg <ESC><SID>TogBG<ESC>gv
  25 tmenu ToolBar.togglebg Toggle light and dark background modes
  26 noremap <SID>TogBG  :call <SID>TogBG()<CR>
  27
  28 function! s:TogBG()
  29     let &background = ( &background == "dark"? "light" : "dark" )
  30     if exists("g:colors_name")
  31         exe "colorscheme " . g:colors_name
  32     endif
  33 endfunction
  34
  35 if !exists(":ToggleBG")
  36     command ToggleBG :call s:TogBG()
  37 endif
  38
  39 function! ToggleBackground()
  40     echo "Please update your ToggleBackground mapping. ':help togglebg' for information."
  41 endfunction
  42
  43 function! togglebg#map(mapActivation)
  44     try
  45         exe "silent! nmap <unique> ".a:mapActivation." <Plug>ToggleBackground"
  46         exe "silent! imap <unique> ".a:mapActivation." <Plug>ToggleBackground"
  47         exe "silent! vmap <unique> ".a:mapActivation." <Plug>ToggleBackground"
  48     finally
  49         return 0
  50     endtry
  51 endfunction
  52
  53 if !exists("no_plugin_maps") && !hasmapto('<Plug>ToggleBackground')
  54     call togglebg#map("<F5>")
  55 endif