diff options
| -rw-r--r-- | runtime/autoload/provider/clipboard.vim | 56 | 
1 files changed, 49 insertions, 7 deletions
| diff --git a/runtime/autoload/provider/clipboard.vim b/runtime/autoload/provider/clipboard.vim index 49d98506eb..d2388e92a8 100644 --- a/runtime/autoload/provider/clipboard.vim +++ b/runtime/autoload/provider/clipboard.vim @@ -1,9 +1,23 @@  " The clipboard provider uses shell commands to communicate with the clipboard. -" The provider function will only be registered if one of the supported -" commands are available. +" The provider function will only be registered if a supported command is +" available.  let s:copy = {}  let s:paste = {} +" When caching is enabled, store the jobid of the xclip/xsel process keeping +" ownership of the selection, so we know how long the cache is valid. +let s:selection = { 'owner': 0, 'data': [] } + +function! s:selection.on_exit(jobid, data, event) +  " At this point this nvim instance might already have launched +  " a new provider instance. Don't drop ownership in this case. +  if self.owner == a:jobid +    let self.owner = 0 +  endif +endfunction + +let s:selections = { '*': s:selection, '+': copy(s:selection)} +  function! s:try_cmd(cmd, ...)    let argv = split(a:cmd, " ")    let out = a:0 ? systemlist(argv, a:1, 1) : systemlist(argv, [''], 1) @@ -14,20 +28,23 @@ function! s:try_cmd(cmd, ...)    return out  endfunction +let s:cache_enabled = 1 +  if executable('pbcopy')    let s:copy['+'] = 'pbcopy'    let s:paste['+'] = 'pbpaste'    let s:copy['*'] = s:copy['+']    let s:paste['*'] = s:paste['+'] +  let s:cache_enabled = 0  elseif executable('xclip') -  let s:copy['+'] = 'xclip -i -selection clipboard' +  let s:copy['+'] = 'xclip -quiet -i -selection clipboard'    let s:paste['+'] = 'xclip -o -selection clipboard' -  let s:copy['*'] = 'xclip -i -selection primary' +  let s:copy['*'] = 'xclip -quiet -i -selection primary'    let s:paste['*'] = 'xclip -o -selection primary'  elseif executable('xsel') -  let s:copy['+'] = 'xsel -i -b' +  let s:copy['+'] = 'xsel --nodetach -i -b'    let s:paste['+'] = 'xsel -o -b' -  let s:copy['*'] = 'xsel -i -p' +  let s:copy['*'] = 'xsel --nodetach -i -p'    let s:paste['*'] = 'xsel -o -p'  else    echom 'clipboard: No shell command for communicating with the clipboard found.' @@ -37,11 +54,36 @@ endif  let s:clipboard = {}  function! s:clipboard.get(reg) +  if s:selections[a:reg].owner > 0 +    return s:selections[a:reg].data +  end    return s:try_cmd(s:paste[a:reg])  endfunction  function! s:clipboard.set(lines, regtype, reg) -  call s:try_cmd(s:copy[a:reg], a:lines) +  if s:cache_enabled == 0 +    call s:try_cmd(s:copy[a:reg], a:lines) +    return 0 +  end + +  let selection = s:selections[a:reg] +  if selection.owner > 0 +    " The previous provider instance should exit when the new one takes +    " ownership, but kill it to be sure we don't fill up the job table. +    call jobstop(selection.owner) +  end +  let selection.data = [a:lines, a:regtype] +  let argv = split(s:copy[a:reg], " ") +  let jobid = jobstart(argv, selection) +  if jobid <= 0 +    echohl WarningMsg +    echo "clipboard: error when invoking provider" +    echohl None +    return 0 +  endif +  call jobsend(jobid, a:lines) +  call jobclose(jobid, 'stdin') +  let selection.owner = jobid  endfunction  function! provider#clipboard#Call(method, args) | 
