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Add bg-cancel action to ignore running background transforms

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Close #4430

Example:

  # Implement popup that disappears after 1 second
  #   * Use footer as the popup
  #   * Use `bell` to ring the terminal bell
  #   * Use `bg-transform-footer` to clear the footer after 1 second
  #   * Use `bg-cancel` to ignore currently running background transform actions
  fzf --multi --list-border \
      --bind 'enter:execute-silent(echo -n {+} | pbcopy)+bell' \
      --bind 'enter:+transform-footer(echo Copied {} to clipboard)' \
      --bind 'enter:+bg-cancel+bg-transform-footer(sleep 1)'
This commit is contained in:
Junegunn Choi
2025-06-21 17:21:03 +09:00
parent c35d9cff7d
commit c36ddce36f
5 changed files with 96 additions and 49 deletions
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17
test/test_core.rb
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@@ -1964,4 +1964,21 @@ class TestCore < TestInteractive
elapsed = Time.now - time
assert elapsed < 2
end
def test_bg_cancel
tmux.send_keys %(seq 0 1 | #{FZF} --bind 'space:bg-cancel+bg-transform-header(sleep {}; echo [{}])'), :Enter
tmux.until { assert_equal 2, it.match_count }
tmux.send_keys '1'
tmux.until { assert_equal 1, it.match_count }
tmux.send_keys :Space
tmux.send_keys :BSpace
tmux.until { assert_equal 2, it.match_count }
tmux.send_keys :Space
tmux.until { |lines| assert lines.any_include?('[0]') }
sleep 2
tmux.until do |lines|
assert lines.any_include?('[0]')
refute lines.any_include?('[1]')
end
end
end