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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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src/tui/tcell_test.go
+6 -6
View File
@@ -253,7 +253,7 @@ func TestGetCharEventKey(t *testing.T) {
{giveKey{tcell.KeyPause, 0, tcell.ModNone}, wantKey{Invalid, 0, nil}}, // unhandled
}
r := NewFullscreenRenderer(&ColorTheme{}, false, false)
r := NewFullscreenRenderer(&ColorTheme{}, false, false, 8)
r.Init()
// run and evaluate the tests
@@ -265,22 +265,22 @@ func TestGetCharEventKey(t *testing.T) {
t.Logf("giveEvent = %T{key: %v, ch: %q (%[3]v), mod: %#04b}\n", giveEvent, giveEvent.Key(), giveEvent.Rune(), giveEvent.Modifiers())
// process the event in fzf and evaluate the test
gotEvent := r.GetChar()
gotEvent := r.GetChar(true)
// skip Resize events, those are sometimes put in the buffer outside of this test
if initialResizeAsInvalid && gotEvent.Type == Invalid {
t.Logf("Resize as Invalid swallowed")
initialResizeAsInvalid = false
gotEvent = r.GetChar()
gotEvent = r.GetChar(true)
}
if gotEvent.Type == Resize {
t.Logf("Resize swallowed")
gotEvent = r.GetChar()
gotEvent = r.GetChar(true)
}
t.Logf("wantEvent = %T{Type: %v, Char: %q (%[3]v)}\n", test.wantKey, test.wantKey.Type, test.wantKey.Char)
t.Logf("gotEvent = %T{Type: %v, Char: %q (%[3]v)}\n", gotEvent, gotEvent.Type, gotEvent.Char)
assert(t, "r.GetChar().Type", gotEvent.Type, test.wantKey.Type)
assert(t, "r.GetChar().Char", gotEvent.Char, test.wantKey.Char)
assert(t, "r.GetChar(true).Type", gotEvent.Type, test.wantKey.Type)
assert(t, "r.GetChar(true).Char", gotEvent.Char, test.wantKey.Char)
}
r.Close()