feat: add ctrl delete to forward delete word (closes #124)

readline/codes.go

@@ -49,6 +49,7 @@ var (
 	seqEndSc        = string([]byte{27, 91, 52, 126})
 	seqDelete       = string([]byte{27, 91, 51, 126})
 	seqDelete2      = string([]byte{27, 91, 80})
+	seqCtrlDelete   = string([]byte{27, 91, 51, 59, 53, 126})
 	seqShiftTab     = string([]byte{27, 91, 90})
 	seqAltQuote     = string([]byte{27, 34})  // Added for showing registers ^["
 	seqAltR         = string([]byte{27, 114}) // Used for alternative history

readline/readline.go

@@ -777,6 +777,18 @@ func (rl *Instance) escapeSeq(r []rune) {
 		rl.viDeleteByAdjust(rl.viJumpB(tokeniseLine))
 		rl.updateHelpers()
 
+	case seqCtrlDelete:
+		if rl.modeTabCompletion {
+			rl.resetVirtualComp(false)
+		}
+		// This is only available in Insert mode
+		if rl.modeViMode != VimInsert {
+			return
+		}
+		rl.saveToRegister(rl.viJumpW(tokeniseLine))
+		rl.viDeleteByAdjust(rl.viJumpW(tokeniseLine))
+		rl.updateHelpers()
+
 	default:
 		if rl.modeTabFind {
 			return