if exists('b:autoloaded_sy_highlight')
  finish
endif
let b:autoloaded_sy_highlight = 1

" Init: values {{{1
let s:sign_add               = get(g:, 'signify_sign_add',               '+')
let s:sign_delete            = get(g:, 'signify_sign_delete',            '_')
let s:sign_delete_first_line = get(g:, 'signify_sign_delete_first_line', '‾')
let s:sign_change            = get(g:, 'signify_sign_change',            '!')

" Function: #setup {{{1
function! sy#highlight#setup() abort
  highlight link SignifyLineAdd    DiffAdd
  highlight link SignifyLineChange DiffChange
  highlight link SignifyLineDelete DiffDelete

  highlight link SignifySignAdd    DiffAdd
  highlight link SignifySignChange DiffChange
  highlight link SignifySignDelete DiffDelete
endfunction

" Function: #line_enable {{{1
function! sy#highlight#line_enable() abort
  execute 'sign define SignifyAdd text='. s:sign_add ' texthl=SignifySignAdd linehl=SignifyLineAdd'

  execute 'sign define SignifyChange text='. s:sign_change ' texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete1 text='. s:sign_change .'1 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete2 text='. s:sign_change .'2 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete3 text='. s:sign_change .'3 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete4 text='. s:sign_change .'4 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete5 text='. s:sign_change .'5 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete6 text='. s:sign_change .'6 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete7 text='. s:sign_change .'7 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete8 text='. s:sign_change .'8 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDelete9 text='. s:sign_change .'9 texthl=SignifySignChange linehl=SignifyLineChange'
  execute 'sign define SignifyChangeDeleteMore text='. s:sign_change .'> texthl=SignifySignChange linehl=SignifyLineChange'

  execute 'sign define SignifyDelete1 text='. s:sign_delete .'1 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete2 text='. s:sign_delete .'2 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete3 text='. s:sign_delete .'3 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete4 text='. s:sign_delete .'4 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete5 text='. s:sign_delete .'5 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete6 text='. s:sign_delete .'6 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete7 text='. s:sign_delete .'7 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete8 text='. s:sign_delete .'8 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDelete9 text='. s:sign_delete .'9 texthl=SignifySignDelete linehl=SignifyLineDelete'
  execute 'sign define SignifyDeleteMore text='. s:sign_delete .'> texthl=SignifySignDelete linehl=SignifyLineDelete'

  execute 'sign define SignifyDeleteFirstLine text='. s:sign_delete_first_line ' texthl=SignifySignDelete linehl=SignifyLineDelete'

  let g:signify_line_highlight = 1
endfunction

" Function: #line_disable {{{1
function! sy#highlight#line_disable() abort
  execute 'sign define SignifyAdd text='. s:sign_add ' texthl=SignifySignAdd linehl=none'

  execute 'sign define SignifyChange text='. s:sign_change ' texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete1 text='. s:sign_change .'1 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete2 text='. s:sign_change .'2 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete3 text='. s:sign_change .'3 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete4 text='. s:sign_change .'4 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete5 text='. s:sign_change .'5 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete6 text='. s:sign_change .'6 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete7 text='. s:sign_change .'7 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete8 text='. s:sign_change .'8 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDelete9 text='. s:sign_change .'9 texthl=SignifySignChange linehl=none'
  execute 'sign define SignifyChangeDeleteMore text='. s:sign_change .'> texthl=SignifySignChange linehl=none'

  execute 'sign define SignifyDelete1 text='. s:sign_delete .'1 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete2 text='. s:sign_delete .'2 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete3 text='. s:sign_delete .'3 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete4 text='. s:sign_delete .'4 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete5 text='. s:sign_delete .'5 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete6 text='. s:sign_delete .'6 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete7 text='. s:sign_delete .'7 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete8 text='. s:sign_delete .'8 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDelete9 text='. s:sign_delete .'9 texthl=SignifySignDelete linehl=none'
  execute 'sign define SignifyDeleteMore text='. s:sign_delete .'> texthl=SignifySignDelete linehl=none'

  execute 'sign define SignifyDeleteFirstLine text='. s:sign_delete_first_line ' texthl=SignifySignDelete linehl=none'

  let g:signify_line_highlight = 0
endfunction

" Function: #line_toggle {{{1
function! sy#highlight#line_toggle() abort
  if !has_key(g:sy, g:sy_path)
    echomsg 'signify: I cannot detect any changes!'
    return
  endif

  if g:signify_line_highlight
    call sy#highlight#line_disable()
  else
    call sy#highlight#line_enable()
  endif

  call sy#start(g:sy_path)
endfunction

" vim: et sw=2 sts=2