Newt/AWT Event Factory: Add Mouse Wheel Event Conversion

.. also reverse AWT rotation sign, since NEWT uses the reverse oriantation.

2 files changed, 16 insertions, 2 deletions

diff --git a/src/newt/classes/com/jogamp/newt/event/awt/AWTMouseAdapter.java b/src/newt/classes/com/jogamp/newt/event/awt/AWTMouseAdapter.java
index 5dcd4d962..115743a0d 100644
--- a/src/newt/classes/com/jogamp/newt/event/awt/AWTMouseAdapter.java
+++ b/src/newt/classes/com/jogamp/newt/event/awt/AWTMouseAdapter.java
@@ -30,7 +30,9 @@ package com.jogamp.newt.event.awt;
 
 import jogamp.newt.awt.event.AWTNewtEventFactory;
 
-public class AWTMouseAdapter extends AWTAdapter implements java.awt.event.MouseListener, java.awt.event.MouseMotionListener
+public class AWTMouseAdapter extends AWTAdapter implements java.awt.event.MouseListener, 
+                                                           java.awt.event.MouseMotionListener,
+                                                           java.awt.event.MouseWheelListener
 {
     public AWTMouseAdapter(com.jogamp.newt.event.MouseListener newtListener) {
         super(newtListener);
@@ -47,12 +49,14 @@ public class AWTMouseAdapter extends AWTAdapter implements java.awt.event.MouseL
     public AWTAdapter addTo(java.awt.Component awtComponent) {
         awtComponent.addMouseListener(this);
         awtComponent.addMouseMotionListener(this);
+        awtComponent.addMouseWheelListener(this);
         return this;
     }
 
     public AWTAdapter removeFrom(java.awt.Component awtComponent) {
         awtComponent.removeMouseListener(this);
         awtComponent.removeMouseMotionListener(this);
+        awtComponent.removeMouseWheelListener(this);
         return this;
     }
 
@@ -118,5 +122,14 @@ public class AWTMouseAdapter extends AWTAdapter implements java.awt.event.MouseL
             enqueueEvent(false, event);
         }
     }
+
+    public void mouseWheelMoved(java.awt.event.MouseWheelEvent e) {
+        com.jogamp.newt.event.MouseEvent event = AWTNewtEventFactory.createMouseEvent(e, newtWindow);
+        if(null!=newtListener) {
+            ((com.jogamp.newt.event.MouseListener)newtListener).mouseWheelMoved(event);
+        } else {
+            enqueueEvent(false, event);
+        }
+    }
 }
 
diff --git a/src/newt/classes/jogamp/newt/awt/event/AWTNewtEventFactory.java b/src/newt/classes/jogamp/newt/awt/event/AWTNewtEventFactory.java
index d64cc9359..cb70da13f 100644
--- a/src/newt/classes/jogamp/newt/awt/event/AWTNewtEventFactory.java
+++ b/src/newt/classes/jogamp/newt/awt/event/AWTNewtEventFactory.java
@@ -120,7 +120,8 @@ public class AWTNewtEventFactory {
         if(0xFFFFFFFF != type) {
             int rotation = 0;
             if (event instanceof java.awt.event.MouseWheelEvent) {
-                rotation = ((java.awt.event.MouseWheelEvent)event).getWheelRotation();
+                // AWT/NEWT rotation is reversed - AWT +1 is down, NEWT +1 is up.
+                rotation = -1 * ((java.awt.event.MouseWheelEvent)event).getWheelRotation();
             }
 
             int mods = awtModifiers2Newt(event.getModifiers(), true);