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package org.havi.ui.event;
/*
* Copyright 2000-2003 by HAVi, Inc. Java is a trademark of Sun
* Microsystems, Inc. All rights reserved.
*/
/**
* Represents a group of key codes.
* Groups do not keep a count of the number of times a particular key code is
* added or removed. Repeatedly adding an event to a group has no effect. Removing
* an event removes it regardless of the number of times it has been added.
* Groups are resolved when they are passed into the methods of HScene.
* Adding or removing events from the group after those method calls does not
* affect the subscription to those events.
*/
public class HEventGroup {
/**
* Constructor for an empty event group
*/
public HEventGroup(){}
/**
* A shortcut to create a new key event type entry in the group.
* If a key is already in the group, this method has no effect.
*
* @param keycode the key code.
*/
public void addKey (int keycode) {}
/**
* The method to remove a key from the group. Removing a key which
* is not in the group has no effect.
*
* @param keycode the key code.
*/
public void removeKey (int keycode) {}
/**
* Adds the key codes for the numeric keys (VK_0, VK_1, VK_2, VK_3,
* VK_4, VK_5, VK_6, VK_7, VK_8, VK_9). Any key codes already in the
* group will not be added again.
*/
public void addAllNumericKeys() {}
/**
* Adds the key codes for the colour keys (VK_COLORED_KEY_0,
* VK_COLORED_KEY_1, VK_COLORED_KEY_2, VK_COLORED_KEY_3). Any key
* codes already in the group will not be added again.
*/
public void addAllColourKeys(){}
/**
* Adds the key codes for the arrow keys (VK_LEFT, VK_RIGHT, VK_UP,
* VK_DOWN). Any key codes already in the group will not be
* added again.
*/
public void addAllArrowKeys(){}
/**
* Remove the key codes for the numeric keys (VK_0, VK_1, VK_2, VK_3,
* VK_4, VK_5, VK_6, VK_7, VK_8, VK_9). Key codes from this set which
* are not present in the group will be ignored.
*/
public void removeAllNumericKeys(){}
/**
* Removes the key codes for the colour keys (VK_COLORED_KEY_0,
* VK_COLORED_KEY_1, VK_COLORED_KEY_2, VK_COLORED_KEY_3). Key codes from
* this set which are not present in the group will be ignored.
*/
public void removeAllColourKeys(){}
/**
* Removes the key codes for the arrow keys (VK_LEFT, VK_RIGHT, VK_UP,
* VK_DOWN). Key codes from this set which are not present in the
* group will be ignored.
*/
public void removeAllArrowKeys(){}
/**
* Return the key codes contained in this event group.
*/
public int[] getKeyEvents() {
return null;
}
}
