Import from http://drts.cvs.sourceforge.net/viewvc/drts/projects/jxinput/ tarball

java/de/hardcode/jxinput/util/LatestChangedValueAxis.java

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+//**********************************************************************************************
+//		(C) Copyright 2002 by Dipl. Phys. Joerg Plewe, HARDCODE Development
+//		All rights reserved. Copying, modification,
+//		distribution or publication without the prior written
+//		consent of the author is prohibited.
+//
+//	Created on 17. April 2002, 23:24
+//**********************************************************************************************
+package de.hardcode.jxinput.util;
+
+import de.hardcode.jxinput.Axis;
+
+/**
+ *
+ * @author  Herkules
+ */
+public class LatestChangedValueAxis implements Axis
+{
+	private final Axis mAxis1;
+	private final Axis mAxis2;
+	private       Axis mAxisInUse;
+
+    private double mSaved1;
+    private double mSaved2;
+	
+	/**
+	 * Creates a new instance of MeanValueAxis.
+	 */
+	public LatestChangedValueAxis(Axis a1, Axis a2)
+	{
+		mAxis1      = a1;
+		mAxis2      = a2;
+        mAxisInUse  = a1;
+        
+        mSaved1 = a1.getValue();
+        mSaved2 = a2.getValue();
+	}
+	
+	/**
+	 * Features may have a name provided e.g. by the driver.
+	 */
+	public String getName()
+	{
+		return mAxis1.getName();
+	}
+	
+	/** Inform about the resolution of the axis.
+	 *
+	 * @return resolution, e.g. 2^-16
+	 */
+	public double getResolution()
+	{
+		return mAxis1.getResolution();
+	}
+	
+	/** 
+	 * Retrieve the type of the axis.
+	 *
+	 * @return [ TRANSLATION | ROTATION | SLIDER ]
+	 */
+	public int getType()
+	{
+		return mAxis1.getType();
+	}
+	
+	/** Returns the current value of the axis.
+	 * The range of the result depends on the axis type.
+	 *s
+	 * @return value [-1.0,1.0] or [0.0,1.0]
+	 */
+	public double getValue()
+	{
+		double v1 = mAxis1.getValue();
+		double v2 = mAxis2.getValue();
+
+        if ( Math.abs( v2 - mSaved2 ) > 0.2 )
+        {
+            mAxisInUse = mAxis2;
+            mSaved2 = v2;
+        }
+        if ( Math.abs( v1 - mSaved1 ) > 0.2 )
+        {
+            mAxisInUse = mAxis1;
+            mSaved1 = v1;
+        }
+        
+        return mAxisInUse.getValue();
+	}
+	
+	/** Denote wether this feature has changed beyond it's resolution since it got last
+	 * updated.
+	 */
+	public boolean hasChanged()
+	{
+		return true;
+	}
+	
+}

java/de/hardcode/jxinput/util/OrButton.java

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+//**********************************************************************************************
+//		(C) Copyright 2002 by Dipl. Phys. Joerg Plewe, HARDCODE Development
+//		All rights reserved. Copying, modification,
+//		distribution or publication without the prior written
+//		consent of the author is prohibited.
+//
+// Created on 23. Dezember 2002, 19:21
+//**********************************************************************************************
+package de.hardcode.jxinput.util;
+
+import de.hardcode.jxinput.Button;
+
+/**
+ *
+ * @author  Herkules
+ */
+public class OrButton implements Button
+{
+    private final   Button  mButton1;
+    private final   Button  mButton2;
+    
+    
+    /**
+     * Creates a new instance of OrButton.
+     */
+    public OrButton( Button b1, Button b2 )
+    {
+        mButton1 = b1;
+        mButton2 = b2;
+    }
+    
+    public String getName()
+    {
+        return mButton1.getName();
+    }
+    
+    public boolean getState()
+    {
+        return mButton1.getState() ||  mButton2.getState();
+    }
+    
+    public int getType()
+    {
+        return mButton1.getType();
+    }
+    
+    public boolean hasChanged()
+    {
+        return mButton1.hasChanged() ||  mButton2.hasChanged();
+    }
+    
+}