feat: control k to delete the rest of the line (#128)

Co-authored-by: Renzix <DanielDeBruno@renzix.com>

readline/line.go

@@ -176,3 +176,9 @@ func (rl *Instance) deleteToBeginning() {
 	rl.line = rl.line[rl.pos:]
 	rl.pos = 0
 }
+
+func (rl *Instance) deleteToEnd() {
+	rl.resetVirtualComp(false)
+	// Keep everything before the cursor
+	rl.line = rl.line[:rl.pos]
+}

readline/readline.go

@@ -189,6 +189,16 @@ func (rl *Instance) Readline() (string, error) {
 			rl.resetHelpers()
 			rl.updateHelpers()
 
+		case charCtrlK:
+			if rl.modeTabCompletion {
+				rl.resetVirtualComp(true)
+			}
+			// Delete everything after the cursor position
+			rl.saveBufToRegister(rl.line[rl.pos:])
+			rl.deleteToEnd()
+			rl.resetHelpers()
+			rl.updateHelpers()
+
 		case charBackspace, charBackspace2:
 			// When currently in history completion, we refresh and automatically
 			// insert the first (filtered) candidate, virtually