| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| /* |
| * Control example snippet: print key state, code and character |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| * |
| * @since 3.0 |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet25 { |
| |
| static String stateMask (int stateMask) { |
| String string = ""; |
| if ((stateMask & SWT.CTRL) != 0) string += " CTRL"; |
| if ((stateMask & SWT.ALT) != 0) string += " ALT"; |
| if ((stateMask & SWT.SHIFT) != 0) string += " SHIFT"; |
| if ((stateMask & SWT.COMMAND) != 0) string += " COMMAND"; |
| return string; |
| } |
| |
| static String character (char character) { |
| switch (character) { |
| case 0: return "'\\0'"; |
| case SWT.BS: return "'\\b'"; |
| case SWT.CR: return "'\\r'"; |
| case SWT.DEL: return "DEL"; |
| case SWT.ESC: return "ESC"; |
| case SWT.LF: return "'\\n'"; |
| case SWT.TAB: return "'\\t'"; |
| } |
| return "'" + character +"'"; |
| } |
| |
| static String keyCode (int keyCode) { |
| switch (keyCode) { |
| |
| /* Keyboard and Mouse Masks */ |
| case SWT.ALT: return "ALT"; |
| case SWT.SHIFT: return "SHIFT"; |
| case SWT.CONTROL: return "CONTROL"; |
| case SWT.COMMAND: return "COMMAND"; |
| |
| /* Non-Numeric Keypad Keys */ |
| case SWT.ARROW_UP: return "ARROW_UP"; |
| case SWT.ARROW_DOWN: return "ARROW_DOWN"; |
| case SWT.ARROW_LEFT: return "ARROW_LEFT"; |
| case SWT.ARROW_RIGHT: return "ARROW_RIGHT"; |
| case SWT.PAGE_UP: return "PAGE_UP"; |
| case SWT.PAGE_DOWN: return "PAGE_DOWN"; |
| case SWT.HOME: return "HOME"; |
| case SWT.END: return "END"; |
| case SWT.INSERT: return "INSERT"; |
| |
| /* Virtual and Ascii Keys */ |
| case SWT.BS: return "BS"; |
| case SWT.CR: return "CR"; |
| case SWT.DEL: return "DEL"; |
| case SWT.ESC: return "ESC"; |
| case SWT.LF: return "LF"; |
| case SWT.TAB: return "TAB"; |
| case SWT.SPACE: return "SPACE"; |
| |
| /* Functions Keys */ |
| case SWT.F1: return "F1"; |
| case SWT.F2: return "F2"; |
| case SWT.F3: return "F3"; |
| case SWT.F4: return "F4"; |
| case SWT.F5: return "F5"; |
| case SWT.F6: return "F6"; |
| case SWT.F7: return "F7"; |
| case SWT.F8: return "F8"; |
| case SWT.F9: return "F9"; |
| case SWT.F10: return "F10"; |
| case SWT.F11: return "F11"; |
| case SWT.F12: return "F12"; |
| case SWT.F13: return "F13"; |
| case SWT.F14: return "F14"; |
| case SWT.F15: return "F15"; |
| |
| /* Numeric Keypad Keys */ |
| case SWT.KEYPAD_ADD: return "KEYPAD_ADD"; |
| case SWT.KEYPAD_SUBTRACT: return "KEYPAD_SUBTRACT"; |
| case SWT.KEYPAD_MULTIPLY: return "KEYPAD_MULTIPLY"; |
| case SWT.KEYPAD_DIVIDE: return "KEYPAD_DIVIDE"; |
| case SWT.KEYPAD_DECIMAL: return "KEYPAD_DECIMAL"; |
| case SWT.KEYPAD_CR: return "KEYPAD_CR"; |
| case SWT.KEYPAD_0: return "KEYPAD_0"; |
| case SWT.KEYPAD_1: return "KEYPAD_1"; |
| case SWT.KEYPAD_2: return "KEYPAD_2"; |
| case SWT.KEYPAD_3: return "KEYPAD_3"; |
| case SWT.KEYPAD_4: return "KEYPAD_4"; |
| case SWT.KEYPAD_5: return "KEYPAD_5"; |
| case SWT.KEYPAD_6: return "KEYPAD_6"; |
| case SWT.KEYPAD_7: return "KEYPAD_7"; |
| case SWT.KEYPAD_8: return "KEYPAD_8"; |
| case SWT.KEYPAD_9: return "KEYPAD_9"; |
| case SWT.KEYPAD_EQUAL: return "KEYPAD_EQUAL"; |
| |
| /* Other keys */ |
| case SWT.CAPS_LOCK: return "CAPS_LOCK"; |
| case SWT.NUM_LOCK: return "NUM_LOCK"; |
| case SWT.SCROLL_LOCK: return "SCROLL_LOCK"; |
| case SWT.PAUSE: return "PAUSE"; |
| case SWT.BREAK: return "BREAK"; |
| case SWT.PRINT_SCREEN: return "PRINT_SCREEN"; |
| case SWT.HELP: return "HELP"; |
| } |
| return character ((char) keyCode); |
| } |
| |
| public static void main (String [] args) { |
| Display display = new Display (); |
| Shell shell = new Shell (display); |
| Listener listener = new Listener () { |
| public void handleEvent (Event e) { |
| String string = e.type == SWT.KeyDown ? "DOWN:" : "UP :"; |
| string += " stateMask=0x" + Integer.toHexString (e.stateMask) + stateMask (e.stateMask) + ","; |
| string += " keyCode=0x" + Integer.toHexString (e.keyCode) + " " + keyCode (e.keyCode) + ","; |
| string += " character=0x" + Integer.toHexString (e.character) + " " + character (e.character); |
| if (e.keyLocation != 0) { |
| string += " location="; |
| if (e.keyLocation == SWT.LEFT) string += "LEFT"; |
| if (e.keyLocation == SWT.RIGHT) string += "RIGHT"; |
| if (e.keyLocation == SWT.KEYPAD) string += "KEYPAD"; |
| } |
| System.out.println (string); |
| } |
| }; |
| shell.addListener (SWT.KeyDown, listener); |
| shell.addListener (SWT.KeyUp, listener); |
| shell.setSize (200, 200); |
| shell.open (); |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| display.dispose (); |
| } |
| } |