Add change-border-label and change-preview-label actions, update man

man/man1/fzf.1

@@ -985,7 +985,9 @@ A key or an event can be bound to one or more of the following actions.
     \fBcancel\fR                     (clear query string if not empty, abort fzf otherwise)
     \fBchange-preview(...)\fR        (change \fB--preview\fR option)
     \fBchange-preview-window(...)\fR (change \fB--preview-window\fR option; rotate through the multiple option sets separated by '|')
+    \fBchange-preview-label(...)\fR  (change \fB--preview-label\fR to the given string)
     \fBchange-prompt(...)\fR         (change prompt to the given string)
+    \fBchange-border-label(...)\fR   (change \fB--border-label\fR to the given string) 
     \fBchange-query(...)\fR          (change query string to the given string)
     \fBclear-screen\fR               \fIctrl-l\fR
     \fBclear-selection\fR            (clear multi-selection)

src/options.go

@@ -912,7 +912,7 @@ const (
 
 func init() {
 	executeRegexp = regexp.MustCompile(
-		`(?si)[:+](execute(?:-multi|-silent)?|reload(?:-sync)?|preview|(?:change|transform)-(?:query|prompt)|change-preview-window|change-preview|(?:re|un)bind|pos|put)`)
+		`(?si)[:+](execute(?:-multi|-silent)?|reload(?:-sync)?|preview|(?:change|transform)-(?:query|prompt)|change-preview-window|change-preview-label|change-border-label|change-preview|(?:re|un)bind|pos|put)`)
 	splitRegexp = regexp.MustCompile("[,:]+")
 	actionNameRegexp = regexp.MustCompile("(?i)^[a-z-]+")
 }
@@ -1224,8 +1224,12 @@ func isExecuteAction(str string) actionType {
 		return actChangePreviewWindow
 	case "change-preview":
 		return actChangePreview
+	case "change-preview-label":
+		return actChangePreviewLabel
 	case "change-prompt":
 		return actChangePrompt
+	case "change-border-label":
+		return actChangeBorderLabel
 	case "change-query":
 		return actChangeQuery
 	case "pos":

src/terminal.go

@@ -306,6 +306,8 @@ const (
 	actBackwardDeleteCharEOF
 	actBackwardWord
 	actCancel
+	actChangeBorderLabel
+	actChangePreviewLabel
 	actChangePrompt
 	actChangeQuery
 	actClearScreen
@@ -2909,6 +2911,12 @@ func (t *Terminal) Loop() {
 			case actChangeQuery:
 				t.input = []rune(a.a)
 				t.cx = len(t.input)
+			case actChangeBorderLabel:
+				t.borderLabel, t.borderLabelLen = t.ansiLabelPrinter(a.a, &tui.ColBorderLabel, false)
+				req(reqFullRedraw)
+			case actChangePreviewLabel:
+				t.previewLabel, t.previewLabelLen = t.ansiLabelPrinter(a.a, &tui.ColPreviewLabel, false)
+				req(reqFullRedraw)
 			case actChangePrompt:
 				t.prompt, t.promptLen = t.parsePrompt(a.a)
 				req(reqPrompt)