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find available pane and prioritize the last active pane #239

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find available pane and prioritize the last active pane #239

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8199bb7
search for a pane that runs shell and can take a command
aautushka Sep 8, 2025
f7898ff
when looking for the nearest runner prioritize the one that was used …
aautushka Sep 8, 2025
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22 changes: 16 additions & 6 deletions plugin/vimux.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -300,22 +300,32 @@ function! s:existingRunnerId() abort
return ''
endfunction

function! s:isPaneAvailable(paneId)
let currentCmd = VimuxTmux('display-message -p -t ' . a:paneId . ' "#{pane_current_command}"')
return match(currentCmd, '\v(bash|zsh|sh|fish)') != -1
endfunction

function! s:nearestRunnerId() abort
" Try finding the runner in the current window/session, optionally using a
" name/title filter
let runnerType = VimuxOption('VimuxRunnerType')
let filter = s:getTargetFilter()
let lastField = runnerType ==# 'pane' ? 'pane_last' : 'window_last_flag'
let format = " -F '#{".runnerType."_active}:#{".runnerType."_id}:#{".lastField."}'"
let views = split(
\ VimuxTmux(
\ 'list-'.runnerType.'s'
\ ." -F '#{".runnerType.'_active}:#{'.runnerType."_id}'"
\ .filter),
\ VimuxTmux('list-'.runnerType.'s' . format . filter),
\ '\n')
let last_runner_first = sort(views, {a, b -> str2nr(split(b, ':')[2]) - str2nr(split(a, ':')[2])})
" '1:' is the current active pane (the one with vim).
" Find the first non-active pane.
for view in views
for view in last_runner_first
let runnerId = split(view, ':')[1]
if runnerType ==# 'pane' && !s:isPaneAvailable(runnerId)
continue
endif

if match(view, '1:') ==# -1
return split(view, ':')[1]
return runnerId
endif
endfor
return ''
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