From 0c00b203e61bffbadbc499cbf68af6f89a5a3e29 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Mon, 16 Jun 2025 00:39:11 +0900
Subject: Implement asynchronous transform actions (#4419)

Close #4418

Example:

    fzf --bind 'focus:bg-transform-header(sleep 2; date; echo {})'
---
 src/options.go | 40 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

(limited to 'src/options.go')

diff --git a/src/options.go b/src/options.go
index 2fd6f821..a5abe571 100644
--- a/src/options.go
+++ b/src/options.go
@@ -1435,7 +1435,7 @@ const (
 
 func init() {
 	executeRegexp = regexp.MustCompile(
-		`(?si)[:+](become|execute(?:-multi|-silent)?|reload(?:-sync)?|preview|(?:change|transform)-(?:query|prompt|(?:border|list|preview|input|header|footer)-label|header|footer|search|nth|pointer|ghost)|transform|change-(?:preview-window|preview|multi)|(?:re|un|toggle-)bind|pos|put|print|search)`)
+		`(?si)[:+](become|execute(?:-multi|-silent)?|reload(?:-sync)?|preview|(?:change|bg-transform|transform)-(?:query|prompt|(?:border|list|preview|input|header|footer)-label|header|footer|search|nth|pointer|ghost)|bg-transform|transform|change-(?:preview-window|preview|multi)|(?:re|un|toggle-)bind|pos|put|print|search)`)
 	splitRegexp = regexp.MustCompile("[,:]+")
 	actionNameRegexp = regexp.MustCompile("(?i)^[a-z-]+")
 }
@@ -1892,6 +1892,36 @@ func isExecuteAction(str string) actionType {
 		return actTransformQuery
 	case "transform-search":
 		return actTransformSearch
+	case "bg-transform":
+		return actBgTransform
+	case "bg-transform-list-label":
+		return actBgTransformListLabel
+	case "bg-transform-border-label":
+		return actBgTransformBorderLabel
+	case "bg-transform-preview-label":
+		return actBgTransformPreviewLabel
+	case "bg-transform-input-label":
+		return actBgTransformInputLabel
+	case "bg-transform-header-label":
+		return actBgTransformHeaderLabel
+	case "bg-transform-footer-label":
+		return actBgTransformFooterLabel
+	case "bg-transform-footer":
+		return actBgTransformFooter
+	case "bg-transform-header":
+		return actBgTransformHeader
+	case "bg-transform-ghost":
+		return actBgTransformGhost
+	case "bg-transform-nth":
+		return actBgTransformNth
+	case "bg-transform-pointer":
+		return actBgTransformPointer
+	case "bg-transform-prompt":
+		return actBgTransformPrompt
+	case "bg-transform-query":
+		return actBgTransformQuery
+	case "bg-transform-search":
+		return actBgTransformSearch
 	case "search":
 		return actSearch
 	}
@@ -2857,7 +2887,13 @@ func parseOptions(index *int, opts *Options, allArgs []string) error {
 				return err
 			}
 			if opts.ListBorderShape == tui.BorderLine {
-				return errors.New("list border cannot be 'line'")
+				if hasArg {
+					// '--list-border line' is not allowed
+					return errors.New("list border cannot be 'line'")
+				}
+				// This is when '--style full:line' is previously specified and
+				// '--list-border' is specified without an argument.
+				opts.ListBorderShape = tui.BorderRounded
 			}
 		case "--no-list-border":
 			opts.ListBorderShape = tui.BorderNone
-- 
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