More key chords for --bind

Close #1752

CHANGELOG.md

@@ -41,6 +41,7 @@ CHANGELOG
   ```
 - When you transform the input with `--with-nth`, the trailing white spaces
   are removed.
+- `ctrl-\`, `ctrl-]`, `ctrl-^`, and `ctrl-/` can now be used with `--bind`
 - See https://github.com/junegunn/fzf/milestone/15?closed=1 for more details
 
 [argmax]: https://unix.stackexchange.com/questions/120642/what-defines-the-maximum-size-for-a-command-single-argument

man/man1/fzf.1

@@ -521,6 +521,14 @@ e.g.
 .br
 \fIctrl-space\fR
 .br
+\fIctrl-\\\fR
+.br
+\fIctrl-]\fR
+.br
+\fIctrl-^\fR      (\fIctrl-6\fR)
+.br
+\fIctrl-/\fR      (\fIctrl-_\fR)
+.br
 \fIctrl-alt-[a-z]\fR
 .br
 \fIalt-[a-z]\fR

src/options.go

@@ -417,6 +417,14 @@ func parseKeyChords(str string, message string) map[int]string {
 			chord = tui.BSpace
 		case "ctrl-space":
 			chord = tui.CtrlSpace
+		case "ctrl-^", "ctrl-6":
+			chord = tui.CtrlCaret
+		case "ctrl-/", "ctrl-_":
+			chord = tui.CtrlSlash
+		case "ctrl-\\":
+			chord = tui.CtrlBackSlash
+		case "ctrl-]":
+			chord = tui.CtrlRightBracket
 		case "change":
 			chord = tui.Change
 		case "alt-enter", "alt-return":

src/tui/light.go

@@ -345,6 +345,14 @@ func (r *LightRenderer) GetChar() Event {
 		return Event{BSpace, 0, nil}
 	case 0:
 		return Event{CtrlSpace, 0, nil}
+	case 28:
+		return Event{CtrlBackSlash, 0, nil}
+	case 29:
+		return Event{CtrlRightBracket, 0, nil}
+	case 30:
+		return Event{CtrlCaret, 0, nil}
+	case 31:
+		return Event{CtrlSlash, 0, nil}
 	case ESC:
 		ev := r.escSequence(&sz)
 		// Second chance

src/tui/tcell.go

@@ -284,6 +284,12 @@ func (r *FullscreenRenderer) GetChar() Event {
 			return Event{keyfn('z'), 0, nil}
 		case tcell.KeyCtrlSpace:
 			return Event{CtrlSpace, 0, nil}
+		case tcell.KeyCtrlBackslash:
+			return Event{CtrlBackSlash, 0, nil}
+		case tcell.KeyCtrlRightSq:
+			return Event{CtrlRightBracket, 0, nil}
+		case tcell.KeyCtrlUnderscore:
+			return Event{CtrlSlash, 0, nil}
 		case tcell.KeyBackspace2:
 			if alt {
 				return Event{AltBS, 0, nil}

src/tui/tui.go

@@ -40,6 +40,12 @@ const (
 	ESC
 	CtrlSpace
 
+	// https://apple.stackexchange.com/questions/24261/how-do-i-send-c-that-is-control-slash-to-the-terminal
+	CtrlBackSlash
+	CtrlRightBracket
+	CtrlCaret
+	CtrlSlash
+
 	Invalid
 	Resize
 	Mouse