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Implement word wrapping in the preview window

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Example:
  fzf --preview 'bat --style=plain --color=always {}' \
      --preview-window wrap-word \
      --bind space:toggle-preview-wrap-word

Close https://github.com/junegunn/fzf/discussions/3383
This commit is contained in:
Junegunn Choi
2026-02-18 13:21:33 +09:00
parent b56d614ba2
commit b6411beaa1
12 changed files with 483 additions and 222 deletions
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14
src/options_test.go
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@@ -448,6 +448,20 @@ func TestPreviewOpts(t *testing.T) {
opts.Preview.size.size == 70) {
t.Error(opts.Preview)
}
// wrap-word tests
opts = optsFor("--preview-window=wrap-word")
if !(opts.Preview.wrap == true && opts.Preview.wrapWord == true) {
t.Errorf("wrap-word: wrap=%v, wrapWord=%v", opts.Preview.wrap, opts.Preview.wrapWord)
}
opts = optsFor("--preview-window=wrap-word,nowrap")
if !(opts.Preview.wrap == false && opts.Preview.wrapWord == false) {
t.Errorf("wrap-word,nowrap: wrap=%v, wrapWord=%v", opts.Preview.wrap, opts.Preview.wrapWord)
}
opts = optsFor("--preview-window=wrap-word,wrap")
if !(opts.Preview.wrap == true && opts.Preview.wrapWord == false) {
t.Errorf("wrap-word,wrap: wrap=%v, wrapWord=%v", opts.Preview.wrap, opts.Preview.wrapWord)
}
}
func TestAdditiveExpect(t *testing.T) {