Add print-query action for --bind

Close #571

src/options.go

@@ -531,6 +531,8 @@ func parseKeymap(keymap map[int]actionType, execmap map[int]string, str string)
 			keymap[key] = actAbort
 		case "accept":
 			keymap[key] = actAccept
+		case "print-query":
+			keymap[key] = actPrintQuery
 		case "backward-char":
 			keymap[key] = actBackwardChar
 		case "backward-delete-char":

src/terminal.go

@@ -91,6 +91,7 @@ const (
 	reqRefresh
 	reqRedraw
 	reqClose
+	reqPrintQuery
 	reqQuit
 )
 
@@ -132,6 +133,7 @@ const (
 	actUp
 	actPageUp
 	actPageDown
+	actPrintQuery
 	actToggleSort
 	actPreviousHistory
 	actNextHistory
@@ -819,6 +821,10 @@ func (t *Terminal) Loop() {
 							exit(exitOk)
 						}
 						exit(exitNoMatch)
+					case reqPrintQuery:
+						C.Close()
+						fmt.Println(string(t.input))
+						exit(exitOk)
 					case reqQuit:
 						C.Close()
 						exit(exitInterrupt)
@@ -906,6 +912,8 @@ func (t *Terminal) Loop() {
 				if t.cx > 0 {
 					t.cx--
 				}
+			case actPrintQuery:
+				req(reqPrintQuery)
 			case actAbort:
 				req(reqQuit)
 			case actDeleteChar:

test/test_go.rb

@@ -771,6 +771,13 @@ class TestGoFZF < TestBase
     assert_equal %w[4 5 6 9], readonce.split($/)
   end
 
+  def test_bind_print_query
+    tmux.send_keys "seq 1 1000 | #{fzf '-m --bind=ctrl-j:print-query'}", :Enter
+    tmux.until { |lines| lines[-2].end_with? '/1000' }
+    tmux.send_keys 'print-my-query', 'C-j'
+    assert_equal %w[print-my-query], readonce.split($/)
+  end
+
   def test_long_line
     data = '.' * 256 * 1024
     File.open(tempname, 'w') do |f|