Add change-query(...) action

CHANGELOG.md

@@ -13,6 +13,7 @@ CHANGELOG
   # Both actions respect --layout option
   seq 10 | fzf --multi --bind ctrl-n:next-selected,ctrl-p:prev-selected --layout reverse
   ```
+- Added `change-query(...)` action
 - `double-click` will behave the same as `enter` unless otherwise specified,
   so you don't have to repeat the same action twice in `--bind` in most cases.
   ```sh

man/man1/fzf.1

@@ -950,6 +950,7 @@ A key or an event can be bound to one or more of the following actions.
     \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-prompt(...)\fR         (change prompt 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)
     \fBclose\fR                      (close preview window if open, abort fzf otherwise)

src/options.go

@@ -889,7 +889,7 @@ func init() {
 	// Backreferences are not supported.
 	// "~!@#$%^&*;/|".each_char.map { |c| Regexp.escape(c) }.map { |c| "#{c}[^#{c}]*#{c}" }.join('|')
 	executeRegexp = regexp.MustCompile(
-		`(?si)[:+](execute(?:-multi|-silent)?|reload|preview|change-prompt|change-preview-window|change-preview|(?:re|un)bind):.+|[:+](execute(?:-multi|-silent)?|reload|preview|change-prompt|change-preview-window|change-preview|(?:re|un)bind)(\([^)]*\)|\[[^\]]*\]|~[^~]*~|![^!]*!|@[^@]*@|\#[^\#]*\#|\$[^\$]*\$|%[^%]*%|\^[^\^]*\^|&[^&]*&|\*[^\*]*\*|;[^;]*;|/[^/]*/|\|[^\|]*\|)`)
+		`(?si)[:+](execute(?:-multi|-silent)?|reload|preview|change-query|change-prompt|change-preview-window|change-preview|(?:re|un)bind):.+|[:+](execute(?:-multi|-silent)?|reload|preview|change-query|change-prompt|change-preview-window|change-preview|(?:re|un)bind)(\([^)]*\)|\[[^\]]*\]|~[^~]*~|![^!]*!|@[^@]*@|\#[^\#]*\#|\$[^\$]*\$|%[^%]*%|\^[^\^]*\^|&[^&]*&|\*[^\*]*\*|;[^;]*;|/[^/]*/|\|[^\|]*\|)`)
 	splitRegexp = regexp.MustCompile("[,:]+")
 }
 
@@ -912,6 +912,8 @@ func parseKeymap(keymap map[tui.Event][]*action, str string) {
 			prefix = symbol + "unbind"
 		} else if strings.HasPrefix(src[1:], "rebind") {
 			prefix = symbol + "rebind"
+		} else if strings.HasPrefix(src[1:], "change-query") {
+			prefix = symbol + "change-query"
 		} else if strings.HasPrefix(src[1:], "change-prompt") {
 			prefix = symbol + "change-prompt"
 		} else if src[len(prefix)] == '-' {
@@ -1121,6 +1123,8 @@ func parseKeymap(keymap map[tui.Event][]*action, str string) {
 						offset = len("change-preview")
 					case actChangePrompt:
 						offset = len("change-prompt")
+					case actChangeQuery:
+						offset = len("change-query")
 					case actUnbind:
 						offset = len("unbind")
 					case actRebind:
@@ -1180,6 +1184,8 @@ func isExecuteAction(str string) actionType {
 		return actChangePreview
 	case "change-prompt":
 		return actChangePrompt
+	case "change-query":
+		return actChangeQuery
 	case "execute":
 		return actExecute
 	case "execute-silent":

src/terminal.go

@@ -266,6 +266,7 @@ const (
 	actBackwardWord
 	actCancel
 	actChangePrompt
+	actChangeQuery
 	actClearScreen
 	actClearQuery
 	actClearSelection
@@ -2647,6 +2648,9 @@ func (t *Terminal) Loop() {
 				}
 			case actPrintQuery:
 				req(reqPrintQuery)
+			case actChangeQuery:
+				t.input = []rune(a.a)
+				t.cx = len(t.input)
 			case actChangePrompt:
 				t.prompt, t.promptLen = t.parsePrompt(a.a)
 				req(reqPrompt)

test/test_go.rb

@@ -1764,6 +1764,14 @@ class TestGoFZF < TestBase
     tmux.until { |lines| assert_equal '>', lines.last }
   end
 
+  def test_change_query
+    tmux.send_keys %(: | #{FZF} --query foo --bind space:change-query:foobar), :Enter
+    tmux.until { |lines| assert_equal 0, lines.item_count }
+    tmux.until { |lines| assert_equal '> foo', lines.last }
+    tmux.send_keys :Space, 'baz'
+    tmux.until { |lines| assert_equal '> foobarbaz', lines.last }
+  end
+
   def test_clear_selection
     tmux.send_keys %(seq 100 | #{FZF} --multi --bind space:clear-selection), :Enter
     tmux.until { |lines| assert_equal 100, lines.match_count }