diff dwtx/draw2d/FocusListener.d @ 98:95307ad235d9

Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/FocusListener.d	Sun Aug 03 00:52:14 2008 +0200
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+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module dwtx.draw2d.FocusListener;
+
+import dwt.dwthelper.utils;
+import dwtx.draw2d.FocusEvent;
+
+/**
+ * A listener interface for receiving {@link FocusEvent FocusEvents}.
+ */
+public interface FocusListener {
+
+/**
+ * Called when the listened to object has gained focus.
+ * @param fe The FocusEvent object
+ */
+void focusGained(FocusEvent fe);
+
+/**
+ * Called when the listened to object has lost focus.
+ * @param fe The FocusEvent object
+ */
+void focusLost(FocusEvent fe);
+
+/**
+ * An empty implementation of FocusListener for convenience.
+ */
+public class Stub
+    : FocusListener
+{
+    /**
+     * @see dwtx.draw2d.FocusListener#focusGained(FocusEvent)
+     */
+    public void focusGained(FocusEvent fe) { }
+    /**
+     * @see dwtx.draw2d.FocusListener#focusLost(FocusEvent)
+     */
+    public void focusLost(FocusEvent fe) { }
+}
+
+}