Add {show,hide,toggle}-input and expose $FZF_INPUT_STATE

man/man1/fzf.1

@@ -623,7 +623,9 @@ Position of the list label
 .TP
 .B "\-\-no\-input"
 Disable and hide the input section. You can no longer type in queries. To
-trigger a search, use \fBsearch\fR action.
+trigger a search, use \fBsearch\fR action. You can later show the input section
+using \fBshow\-input\fR or \fBtoggle\-input\fR action, and hide it again using
+\fBhide\-input\fR, or \fBtoggle\-input\fR.
 
 .TP
 .BI "\-\-prompt=" "STR"
@@ -1222,6 +1224,8 @@ fzf exports the following environment variables to its child processes.
 .br
 .BR FZF_QUERY "           Current query string"
 .br
+.BR FZF_INPUT_STATE "     Current input state (enabled, disabled, hidden)"
+.br
 .BR FZF_NTH "             Current \-\-nth option"
 .br
 .BR FZF_PROMPT "          Prompt string"
@@ -1610,6 +1614,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBhalf\-page\-down\fR
     \fBhalf\-page\-up\fR
     \fBhide\-header\fR
+    \fBhide\-input\fR
     \fBhide\-preview\fR
     \fBoffset\-down\fR                  (similar to CTRL\-E of Vim)
     \fBoffset\-up\fR                    (similar to CTRL\-Y of Vim)
@@ -1638,6 +1643,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBselect\fR
     \fBselect\-all\fR                   (select all matches)
     \fBshow\-header\fR
+    \fBshow\-input\fR
     \fBshow\-preview\fR
     \fBtoggle\fR                       (\fIright\-click\fR)
     \fBtoggle\-all\fR                   (toggle all matches)
@@ -1646,6 +1652,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBtoggle\-bind\fR
     \fBtoggle\-header\fR
     \fBtoggle\-hscroll\fR
+    \fBtoggle\-input\fR
     \fBtoggle\-multi\-line\fR
     \fBtoggle\-preview\fR
     \fBtoggle\-preview\-wrap\fR