proper Component.isDisplayable()

hansonr · hansonr · commit 8886fb975491 · 2019-03-04T23:38:00.000-06:00
diff --git a/sources/net.sf.j2s.java.core/src/java/awt/JSComponent.java b/sources/net.sf.j2s.java.core/src/java/awt/JSComponent.java
@@ -251,6 +251,11 @@ public ComponentUI getUI() {
 		return ui;
 	}
 
+	@Override
+	public boolean isDisplayable() { 
+		return getTopInvokableAncestor(this, false) != null;
+	}
+
 	@Override
 	protected void updatePeerVisibility(boolean isVisible) {
 		// check for visibility set prior to creation of ui.
