java/src/de/hardcode/jxinput/keyboard/KeyButton.java

@@ -0,0 +1,94 @@
+//**********************************************************************************************
+//		(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 9. April 2002, 22:51
+//**********************************************************************************************
+package de.hardcode.jxinput.keyboard;
+
+import de.hardcode.jxinput.Button;
+import java.awt.event.KeyEvent;
+
+
+/**
+ * Associates a keycode with a Button and handles the current state of that button.
+ *
+ * @author  Herkules
+ */
+class KeyButton 
+	implements Button
+{
+	private final int mKeyCode;
+	private boolean mIsPressed;
+	private boolean mHasChanged;
+	
+	/**
+	 * Creates a new instance of KeyButton.
+	 */
+	public KeyButton( int keycode )
+	{
+		mKeyCode = keycode;
+	}
+	
+	
+	/**
+	 * Return the keycode assigned with this button.
+	 */
+	public final int getKeyCode()
+	{
+		return mKeyCode;
+	}
+
+	final void setIsPressed( boolean flag )
+	{
+		mIsPressed = flag;
+	}
+	
+	//*********************************************************************************************
+	//
+	// Implement Button
+	//
+	//*********************************************************************************************
+	
+
+	/**
+	 * Features may have a name provided e.g. by the driver.
+	 */
+	public String getName()
+	{
+		return KeyEvent.getKeyText( mKeyCode );
+	}
+	
+	/** 
+	 * Tells the state of the button at last update.
+	 */
+	public boolean getState()
+	{
+		return mIsPressed;
+	}
+	
+	/** 
+	 * Retrieve the type of the button.
+	 * Pushbutton will deliver <code>true==getState()</code> as long as they are pressed down.
+	 * Togglebuttons will change their state once they are pressed and keep that state
+	 * until they are pressed again.
+	 * @return [ PUSHBUTTON | TOGGLEBUTTON ]
+	 */
+	public int getType()
+	{
+		return Button.PUSHBUTTON;
+	}
+
+	
+	/** 
+	 * Denote wether this feature has changed beyond it's resolution since it got last
+	 * updated.
+	 */
+	public boolean hasChanged()
+	{
+		return true;
+	}
+	
+}