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/*
* %W% %E%
*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/*****************************************************************************
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
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* - Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materails provided with the distribution.
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* Neither the name Sun Microsystems, Inc. or the names of the contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANT OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
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* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS
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package net.java.games.input;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
/**
* @author elias
* @version 1.0
*/
final class RawKeyboard extends Keyboard {
private final RawKeyboardEvent raw_event = new RawKeyboardEvent();
private final RawDevice device;
protected RawKeyboard(String name, RawDevice device, Controller[] children, Rumbler[] rumblers) throws IOException {
super(name, createKeyboardComponents(device), children, rumblers);
this.device = device;
}
private final static Component[] createKeyboardComponents(RawDevice device) {
List components = new ArrayList();
Field[] vkey_fields = RawIdentifierMap.class.getFields();
for (int i = 0; i < vkey_fields.length; i++) {
Field vkey_field = vkey_fields[i];
try {
if (Modifier.isStatic(vkey_field.getModifiers()) && vkey_field.getType() == int.class) {
int vkey_code = vkey_field.getInt(null);
Component.Identifier.Key key_id = RawIdentifierMap.mapVKey(vkey_code);
if (key_id != Component.Identifier.Key.UNKNOWN)
components.add(new Key(device, vkey_code, key_id));
}
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
return (Component[])components.toArray(new Component[]{});
}
protected final synchronized boolean getNextDeviceEvent(Event event) throws IOException {
while (true) {
if (!device.getNextKeyboardEvent(raw_event))
return false;
int vkey = raw_event.getVKey();
Component.Identifier.Key key_id = RawIdentifierMap.mapVKey(vkey);
Component key = getComponent(key_id);
if (key == null)
continue;
int message = raw_event.getMessage();
if (message == RawDevice.WM_KEYDOWN || message == RawDevice.WM_SYSKEYDOWN) {
event.set(key, 1, raw_event.getNanos());
return true;
} else if (message == RawDevice.WM_KEYUP || message == RawDevice.WM_SYSKEYUP) {
event.set(key, 0, raw_event.getNanos());
return true;
}
}
}
public final void pollDevice() throws IOException {
device.pollKeyboard();
}
protected final void setDeviceEventQueueSize(int size) throws IOException {
device.setBufferSize(size);
}
final static class Key extends AbstractComponent {
private final RawDevice device;
private final int vkey_code;
public Key(RawDevice device, int vkey_code, Component.Identifier.Key key_id) {
super(key_id.getName(), key_id);
this.device = device;
this.vkey_code = vkey_code;
}
protected final float poll() throws IOException {
return device.isKeyDown(vkey_code) ? 1f : 0f;
}
public final boolean isAnalog() {
return false;
}
public final boolean isRelative() {
return false;
}
}
}
