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https://github.com/badvision/jace.git
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366 lines
12 KiB
Java
366 lines
12 KiB
Java
/*
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* Copyright (C) 2012 Brendan Robert (BLuRry) brendan.robert@gmail.com.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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package jace.core;
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import jace.apple2e.SoftSwitches;
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import jace.config.InvokableAction;
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import jace.config.Reconfigurable;
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import java.awt.Toolkit;
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import java.awt.datatransfer.Clipboard;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.io.IOException;
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import java.io.StringReader;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javafx.event.EventHandler;
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import javafx.scene.input.KeyCode;
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import javafx.scene.input.KeyEvent;
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/**
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* Keyboard manages all keyboard-related activities. For now, all hotkeys are
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* hard-coded. The eventual direction for this class is to only manage key
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* handlers for all keys and provide remapping -- but it's not there yet.
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* Created on March 29, 2007, 11:32 PM
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*
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*/
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public class Keyboard implements Reconfigurable {
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private Computer computer;
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public Keyboard(Computer computer) {
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this.computer = computer;
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}
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@Override
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public String getShortName() {
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return "kbd";
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}
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static byte currentKey = 0;
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public static void clearStrobe() {
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currentKey = (byte) (currentKey & 0x07f);
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}
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public static void pressKey(byte key) {
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currentKey = (byte) (0x0ff & (0x080 | key));
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}
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public static byte readState() {
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// If strobe was cleared...
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if ((currentKey & 0x080) == 0) {
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// Call clipboard buffer paste routine
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int newKey = Keyboard.getClipboardKeystroke();
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if (newKey >= 0) {
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pressKey((byte) newKey);
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}
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}
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return currentKey;
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}
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/**
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* Creates a new instance of Keyboard
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*/
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public Keyboard() {
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}
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private static Map<KeyCode, Set<KeyHandler>> keyHandlersByKey = new HashMap<>();
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private static Map<Object, Set<KeyHandler>> keyHandlersByOwner = new HashMap<>();
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public static void registerInvokableAction(InvokableAction action, Object owner, Method method, String code) {
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boolean isStatic = Modifier.isStatic(method.getModifiers());
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registerKeyHandler(new KeyHandler(code) {
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@Override
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public boolean handleKeyUp(KeyEvent e) {
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if (!action.notifyOnRelease()) {
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return false;
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}
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// System.out.println("Key up: "+method.toString());
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Object returnValue = null;
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try {
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if (method.getParameterCount() > 0) {
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returnValue = method.invoke(isStatic ? null : owner, false);
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} else {
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returnValue = method.invoke(isStatic ? null : owner);
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}
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} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
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Logger.getLogger(Keyboard.class.getName()).log(Level.SEVERE, null, ex);
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}
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if (returnValue != null) {
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return (Boolean) returnValue;
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}
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return action.consumeKeyEvent();
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}
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@Override
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public boolean handleKeyDown(KeyEvent e) {
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// System.out.println("Key down: "+method.toString());
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Object returnValue = null;
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try {
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if (method.getParameterCount() > 0) {
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returnValue = method.invoke(isStatic ? null : owner, true);
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} else {
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returnValue = method.invoke(isStatic ? null : owner);
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}
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} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
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Logger.getLogger(Keyboard.class.getName()).log(Level.SEVERE, null, ex);
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}
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if (returnValue != null) {
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return (Boolean) returnValue;
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}
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return action.consumeKeyEvent();
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}
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}, owner);
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}
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public static void registerKeyHandler(KeyHandler l, Object owner) {
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if (!keyHandlersByKey.containsKey(l.key)) {
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keyHandlersByKey.put(l.key, new HashSet<>());
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}
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keyHandlersByKey.get(l.key).add(l);
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if (!keyHandlersByOwner.containsKey(owner)) {
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keyHandlersByOwner.put(owner, new HashSet<>());
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}
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keyHandlersByOwner.get(owner).add(l);
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// System.out.println("Registered handler for "+l.getComboName()+"; code is "+l.getKeyName());
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}
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public static void unregisterAllHandlers(Object owner) {
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if (!keyHandlersByOwner.containsKey(owner)) {
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return;
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}
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keyHandlersByOwner.get(owner).stream().filter((handler) -> !(!keyHandlersByKey.containsKey(handler.key))).forEach((handler) -> {
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keyHandlersByKey.get(handler.key).remove(handler);
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});
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keyHandlersByOwner.remove(owner);
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}
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public static void processKeyDownEvents(KeyEvent e) {
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if (keyHandlersByKey.containsKey(e.getCode())) {
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for (KeyHandler h : keyHandlersByKey.get(e.getCode())) {
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if (!h.match(e)) {
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continue;
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}
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boolean isHandled = h.handleKeyDown(e);
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if (isHandled) {
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e.consume();
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return;
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}
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}
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}
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}
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public static void processKeyUpEvents(KeyEvent e) {
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if (keyHandlersByKey.containsKey(e.getCode())) {
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for (KeyHandler h : keyHandlersByKey.get(e.getCode())) {
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if (!h.match(e)) {
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continue;
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}
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boolean isHandled = h.handleKeyUp(e);
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if (isHandled) {
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e.consume();
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return;
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}
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}
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}
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}
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public EventHandler<KeyEvent> getListener() {
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return (KeyEvent event) -> {
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if (event.getEventType() == KeyEvent.KEY_PRESSED) {
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keyPressed(event);
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} else if (event.getEventType() == KeyEvent.KEY_RELEASED) {
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keyReleased(event);
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}
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};
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}
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public void keyPressed(KeyEvent e) {
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processKeyDownEvents(e);
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if (e.isConsumed()) {
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return;
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}
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char c = 255;
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if (e.getText().length() > 0) {
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c = e.getText().charAt(0);
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}
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switch (e.getCode()) {
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case LEFT:
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case KP_LEFT:
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c = 8;
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break;
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case RIGHT:
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case KP_RIGHT:
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c = 21;
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break;
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case UP:
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case KP_UP:
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c = 11;
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break;
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case DOWN:
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case KP_DOWN:
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c = 10;
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break;
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case ESCAPE:
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c = 27;
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break;
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case TAB:
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c = 9;
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break;
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case ENTER:
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c = 13;
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break;
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case BACK_SPACE:
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c = 127;
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break;
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default:
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}
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if (e.isShiftDown()) {
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c = fixShiftedChar(c);
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}
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if (e.isControlDown()) {
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c = (char) (c & 0x01f);
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}
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if (c < 128) {
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pressKey((byte) c);
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}
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}
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private char fixShiftedChar(char c) {
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if (c >= 'a' && c <= 'z') {
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return (char) (c - 32);
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} else {
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switch (c) {
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case '0': return ')';
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case '1': return '!';
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case '2': return '@';
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case '3': return '#';
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case '4': return '$';
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case '5': return '%';
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case '6': return '^';
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case '7': return '&';
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case '8': return '*';
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case '9': return '(';
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case '-': return '_';
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case '=': return '+';
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case '[': return '{';
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case ']': return '}';
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case '\\': return '|';
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case ';': return ':';
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case '\'': return '"';
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case ',': return '<';
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case '.': return '>';
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case '/': return '?';
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case '`': return '~';
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}
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}
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return c;
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}
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public void keyReleased(KeyEvent e) {
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KeyCode code = e.getCode();
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processKeyUpEvents(e);
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if (code == null || e.isConsumed()) {
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return;
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}
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e.consume();
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}
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@InvokableAction(name = "Open Apple Key", alternatives = "OA", category = "Keyboard", notifyOnRelease = true, defaultKeyMapping = "Alt", consumeKeyEvent = false)
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public void openApple(boolean pressed) {
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computer.pause();
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SoftSwitches.PB0.getSwitch().setState(pressed);
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computer.resume();
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}
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@InvokableAction(name = "Closed Apple Key", alternatives = "CA", category = "Keyboard", notifyOnRelease = true, defaultKeyMapping = {"Shortcut","Meta","Command"}, consumeKeyEvent = false)
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public void solidApple(boolean pressed) {
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computer.pause();
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SoftSwitches.PB1.getSwitch().setState(pressed);
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computer.resume();
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}
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public static void pasteFromString(String text) {
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text = text.replaceAll("\\r?\\n|\\r", (char) 0x0d + "");
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pasteBuffer = new StringReader(text);
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}
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@InvokableAction(name = "Paste clipboard", alternatives = "paste", category = "Keyboard", notifyOnRelease = false, defaultKeyMapping = {"Ctrl+Shift+V","Shift+Insert"}, consumeKeyEvent = true)
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public static void pasteFromClipboard() {
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try {
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Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
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String contents = (String) clip.getData(DataFlavor.stringFlavor);
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if (contents != null && !"".equals(contents)) {
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contents = contents.replaceAll("\\r?\\n|\\r", (char) 0x0d + "");
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pasteBuffer = new StringReader(contents);
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}
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} catch (UnsupportedFlavorException | IOException ex) {
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Logger.getLogger(Keyboard.class
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.getName()).log(Level.SEVERE, null, ex);
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}
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}
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static StringReader pasteBuffer = null;
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public static int getClipboardKeystroke() {
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if (pasteBuffer == null) {
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return -1;
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}
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try {
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int keypress = pasteBuffer.read();
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// Handle end of paste buffer
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if (keypress == -1) {
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pasteBuffer.close();
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pasteBuffer = null;
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return -1;
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}
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return (keypress & 0x0ff);
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} catch (IOException ex) {
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Logger.getLogger(Keyboard.class
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.getName()).log(Level.SEVERE, null, ex);
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}
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return -1;
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}
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@Override
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public String getName() {
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return "Keyboard";
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}
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@Override
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public void reconfigure() {
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}
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}
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