Add actions: show-header and hide-header

CHANGELOG.md

@@ -36,6 +36,7 @@ CHANGELOG
     ```sh
     export FZF_CTRL_R_OPTS='--bind "enter:become:if [[ -n {} ]]; then echo {}; else echo {q}; fi"'
     ```
+- Added `show-header` and `hide-header` actions
 - Bug fixes
 
 0.44.1

man/man1/fzf.1

@@ -1183,6 +1183,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBpage-up\fR                      \fIpgup\fR
     \fBhalf-page-down\fR
     \fBhalf-page-up\fR
+    \fBhide-header\fR
     \fBhide-preview\fR
     \fBoffset-down\fR                  (similar to CTRL-E of Vim)
     \fBoffset-up\fR                    (similar to CTRL-Y of Vim)
@@ -1208,6 +1209,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBreplace-query\fR                (replace query string with the current selection)
     \fBselect\fR
     \fBselect-all\fR                   (select all matches)
+    \fBshow-header\fR
     \fBshow-preview\fR
     \fBtoggle\fR                       (\fIright-click\fR)
     \fBtoggle-all\fR                   (toggle all matches)

src/options.go

@@ -1141,6 +1141,10 @@ func parseActionList(masked string, original string, prevActions []*action, putA
 			appendAction(actToggleTrack)
 		case "toggle-header":
 			appendAction(actToggleHeader)
+		case "show-header":
+			appendAction(actShowHeader)
+		case "hide-header":
+			appendAction(actHideHeader)
 		case "track":
 			appendAction(actTrack)
 		case "select":

src/terminal.go

@@ -445,6 +445,8 @@ const (
 	actRebind
 	actBecome
 	actResponse
+	actShowHeader
+	actHideHeader
 )
 
 func processExecution(action actionType) bool {
@@ -3715,6 +3717,12 @@ func (t *Terminal) Loop() {
 					t.track = trackEnabled
 				}
 				req(reqInfo)
+			case actShowHeader:
+				t.headerVisible = true
+				req(reqList, reqInfo, reqPrompt, reqHeader)
+			case actHideHeader:
+				t.headerVisible = false
+				req(reqList, reqInfo, reqPrompt, reqHeader)
 			case actToggleHeader:
 				t.headerVisible = !t.headerVisible
 				req(reqList, reqInfo, reqPrompt, reqHeader)