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) |