Added Label.isStandalone(), used by Grid. Now for the Grid test...

redo/basicctrls.go

@@ -87,6 +87,8 @@ type Label interface {
 	// Text and SetText get and set the Label's text.
 	Text() string
 	SetText(text string)
+
+	isStandalone() bool
 }
 
 // NewLabel creates a new Label with the given text.

redo/label_darwin.go

@@ -41,6 +41,10 @@ func (l *label) SetText(text string) {
 	C.textFieldSetText(l._id, ctext)
 }
 
+func (l *label) isStandalone() bool {
+	return l.standalone
+}
+
 func (l *label) id() C.id {
 	return l._id
 }

redo/label_unix.go

@@ -54,6 +54,10 @@ func (l *label) SetText(text string) {
 	C.gtk_label_set_text(l.label, ctext)
 }
 
+func (l *label) isStandalone() bool {
+	return l.standalone
+}
+
 func (l *label) widget() *C.GtkWidget {
 	return l._widget
 }

redo/label_windows.go

@@ -44,6 +44,10 @@ func (l *label) SetText(text string) {
 	baseSetText(l, text)
 }
 
+func (l *label) isStandalone() bool {
+	return l.standalone
+}
+
 func (l *label) hwnd() C.HWND {
 	return l._hwnd
 }