--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/ClickableEventHandler.d	Sun Aug 03 00:52:14 2008 +0200
@@ -0,0 +1,135 @@
+/*******************************************************************************
+ * 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.ClickableEventHandler;
+
+import dwt.dwthelper.utils;
+import dwtx.draw2d.MouseMotionListener;
+import dwtx.draw2d.MouseEvent;
+import dwtx.draw2d.KeyEvent;
+import dwtx.draw2d.FocusEvent;
+import dwtx.draw2d.KeyListener;
+import dwtx.draw2d.FocusListener;
+import dwtx.draw2d.IFigure;
+import dwtx.draw2d.ChangeEvent;
+import dwtx.draw2d.ChangeListener;
+import dwtx.draw2d.MouseListener;
+import dwtx.draw2d.FigureListener;
+import dwtx.draw2d.Clickable;
+import dwtx.draw2d.ButtonModel;
+
+
+class ClickableEventHandler
+    : MouseMotionListener.Stub
+    ,
+        MouseListener,
+        FigureListener,
+        ChangeListener,
+        KeyListener,
+        FocusListener
+{
+
+private MouseEvent lastEvent;
+
+public void focusLost(FocusEvent fe) {
+    Clickable loser = cast(Clickable)fe.loser;
+    loser.repaint();
+    loser.getModel().setArmed(false);
+    loser.getModel().setPressed(false);
+}
+
+public void focusGained(FocusEvent fe) {
+    Clickable clickable = cast(Clickable)fe.gainer;
+    clickable.repaint();
+}
+
+public void figureMoved(IFigure source) {
+    if (lastEvent is null)
+        return;
+    mouseDragged(lastEvent);
+}
+
+public void handleStateChanged(ChangeEvent change) {
+    Clickable clickable = cast(Clickable)change.getSource();
+    if (change.getPropertyName() is ButtonModel.MOUSEOVER_PROPERTY
+        && !clickable.isRolloverEnabled())
+        return;
+    clickable.repaint();
+}
+
+public void mouseDoubleClicked(MouseEvent me) { }
+
+public void mouseDragged(MouseEvent me) {
+    lastEvent = me;
+    Clickable click = cast(Clickable)me.getSource();
+    ButtonModel model = click.getModel();
+    if (model.isPressed()) {
+        bool over = click.containsPoint(me.getLocation());
+            model.setArmed(over);
+            model.setMouseOver(over);
+    }
+}
+
+public void mouseEntered(MouseEvent me) {
+    Clickable click = cast(Clickable)me.getSource();
+    click.getModel().setMouseOver(true);
+    click.addFigureListener(this);
+}
+
+public void mouseExited(MouseEvent me) {
+    Clickable click = cast(Clickable)me.getSource();
+    click.getModel().setMouseOver(false);
+    click.removeFigureListener(this);
+}
+
+public void mouseMoved(MouseEvent me) { }
+
+public void mousePressed(MouseEvent me) {
+    if (me.button !is 1)
+        return;
+    lastEvent = me;
+    Clickable click = cast(Clickable)me.getSource();
+    ButtonModel model = click.getModel();
+    click.requestFocus();
+    model.setArmed(true);
+    model.setPressed(true);
+    me.consume();
+}
+
+public void mouseReleased(MouseEvent me) {
+    if (me.button !is 1)
+        return;
+    ButtonModel model = (cast(Clickable)me.getSource()).getModel();
+    if (!model.isPressed())
+        return;
+    model.setPressed(false);
+    model.setArmed(false);
+    me.consume();
+}
+
+public void keyPressed(KeyEvent ke) {
+    ButtonModel model = (cast(Clickable)ke.getSource()).getModel();
+    if (ke.character is ' ' || ke.character is '\r') {
+        model.setPressed(true);
+        model.setArmed(true);
+    }
+}
+
+public void keyReleased(KeyEvent ke) {
+    ButtonModel model = (cast(Clickable)ke.getSource()).getModel();
+    if (ke.character is ' ' || ke.character is '\r') {
+        model.setPressed(false);
+        model.setArmed(false);
+    }
+}
+
+}