ContainerBox uses slices.Remove correctly

internal/system/containerbox.go

@@ -65,7 +65,7 @@ func (this *containerBox) Remove (child tomo.Object) {
 	if index < 0 { return }
 
 	box.setParent(nil)
-	this.children = slices.Delete(this.children, index, index)
+	this.children = slices.Delete(this.children, index, index + 1)
 	this.invalidateLayout()
 	this.invalidateMinimum()
 }

x/window.go

@@ -70,7 +70,7 @@ func (this *windowLink) NotifyMinimumSizeChange () {
 
 func (this *Backend) NewWindow (kind tomo.WindowKind, bounds image.Rectangle) (tomo.Window, error) {
 	this.assert()
-	window, err := this.newWindow(bounds, false)
+	window, err := this.newWindow(bounds, kind == tomo.WindowKindMenu)
 	if err != nil { return nil, err }
 	window.setKind(kind)
 	return window, nil
@@ -244,7 +244,7 @@ func (this *window) NewChild (kind tomo.WindowKind, bounds image.Rectangle) (tom
 	leader := this.leader
 	
 	child, err := this.backend.newWindow (
-		bounds.Add(this.metrics.innerBounds.Min), false)
+		bounds.Add(this.metrics.innerBounds.Min), kind == tomo.WindowKindMenu)
 	if err != nil { return nil, err }
 	
 	child.leader = leader
@@ -473,7 +473,7 @@ func windowKindToType (kind tomo.WindowKind) string {
 	case tomo.WindowKindNormal:  return "NORMAL"
 	case tomo.WindowKindPlain:   return "DOCK"
 	case tomo.WindowKindUtility: return "UTILITY"
-	case tomo.WindowKindToolbar: return "TOOLBAR"
+	case tomo.WindowKindToolbar: return "MENU"
 	case tomo.WindowKindMenu:    return "POPUP_MENU"
 	case tomo.WindowKindModal:   return "NORMAL"
 	default:                     return strings.ReplaceAll(strings.ToUpper(string(kind)), " ", "_")