Bug fixing

view.go

@@ -311,7 +311,7 @@ func (view *viewData) getFunc(tag PropertyName) any {
 
 	case FocusEvent, LostFocusEvent:
 		if listeners := getNoArgEventRawListeners[View](view, nil, tag); len(listeners) > 0 {
-
+			return listeners
 		}
 
 	case KeyDownEvent, KeyUpEvent:
@@ -354,6 +354,15 @@ func (view *viewData) getFunc(tag PropertyName) any {
 			return listeners
 		}
 
+	case changeListeners:
+		if len(view.changeListener) > 0 {
+			result := map[PropertyName]any{}
+			for tag, listener := range view.changeListener {
+				result[tag] = listener.rawListener()
+			}
+			return result
+		}
+
 	default:
 		return viewStyleGet(view, tag)
 	}
@@ -1328,6 +1337,11 @@ func (view *viewData) handleCommand(self View, command PropertyName, data DataOb
 func (view *viewData) SetChangeListener(tag PropertyName, listener any) bool {
 	if listener == nil {
 		delete(view.changeListener, tag)
+		if len(view.changeListener) > 0 {
+			view.setRaw(changeListeners, view.changeListener)
+		} else {
+			view.setRaw(changeListeners, nil)
+		}
 	} else {
 		switch listener := listener.(type) {
 		case func():
@@ -1343,6 +1357,9 @@ func (view *viewData) SetChangeListener(tag PropertyName, listener any) bool {
 			view.changeListener[tag] = newOneArgListenerVE(listener)
 
 		case string:
+			if listener == "" {
+				return view.SetChangeListener(tag, nil)
+			}
 			view.changeListener[tag] = newOneArgListenerBinding[View, PropertyName](listener)
 
 		default:

viewStyle.go

@@ -935,7 +935,7 @@ func propertyValueToString(tag PropertyName, value any, indent string) string {
 	case []popupListener:
 		return getPopupListenerBinding(value)
 
-	case map[PropertyName]oneArgListener[View, PropertyName]:
+	case map[PropertyName]any:
 		if len(value) == 0 {
 			return ""
 		}
@@ -946,7 +946,7 @@ func propertyValueToString(tag PropertyName, value any, indent string) string {
 		indent2 := indent + "\t"
 		buffer.WriteString("_{\n")
 		for key, listener := range value {
-			if text, ok := listener.rawListener().(string); ok && text != "" {
+			if text, ok := listener.(string); ok && text != "" {
 				buffer.WriteString(indent2)
 				writeString(buffer, string(key))
 				buffer.WriteString(" = ")