bundles/org.simantics.g2d/src/org/simantics/g2d/event/adapter/SWTKeyEventAdapter.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 /*\r
  13  *\r
  14  * @author Toni Kalajainen\r
  15  */\r
  16 package org.simantics.g2d.event.adapter;\r
  17 \r
  18 import java.awt.event.KeyEvent;\r
  19 \r
  20 import org.eclipse.swt.SWT;\r
  21 import org.eclipse.swt.events.KeyListener;\r
  22 import org.simantics.scenegraph.g2d.events.Event;\r
  23 import org.simantics.scenegraph.g2d.events.EventDebugPolicy;\r
  24 import org.simantics.scenegraph.g2d.events.IEventHandler;\r
  25 import org.simantics.scenegraph.g2d.events.IEventQueue;\r
  26 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;\r
  27 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyReleasedEvent;\r
  28 import org.simantics.scenegraph.g2d.events.adapter.AbstractEventAdapter;\r
  29 \r
  30 /**\r
  31  * Adapts SWT key events to G2D Event\r
  32  *\r
  33  * @see Event\r
  34  * @author Toni Kalajainen\r
  35  */\r
  36 public class SWTKeyEventAdapter extends AbstractEventAdapter implements KeyListener {\r
  37 \r
  38     private final boolean DEBUG = EventDebugPolicy.SWT_KEY_EVENT_ADAPTION;\r
  39 \r
  40     public SWTKeyEventAdapter(Object sender, IEventHandler delegator) {\r
  41         super(sender, delegator);\r
  42     }\r
  43 \r
  44     public SWTKeyEventAdapter(Object sender, IEventQueue queue) {\r
  45         super(sender, queue);\r
  46     }\r
  47 \r
  48     @Override\r
  49     public void keyPressed(org.eclipse.swt.events.KeyEvent e) {\r
  50         if (DEBUG)\r
  51             System.out.println("SWT key pressed: " + e);\r
  52         handleEvent(\r
  53                 new KeyPressedEvent(sender, e.time, e.character, adaptSWTKeyCodeToAWTKeyCode(e.keyCode), adaptSWTModifierToAWTModifier(e.stateMask)));\r
  54     }\r
  55 \r
  56     @Override\r
  57     public void keyReleased(org.eclipse.swt.events.KeyEvent e) {\r
  58         if (DEBUG)\r
  59             System.out.println("SWT key released: " + e);\r
  60         handleEvent(\r
  61                 new KeyReleasedEvent(sender, e.time, e.character, adaptSWTKeyCodeToAWTKeyCode(e.keyCode), adaptSWTModifierToAWTModifier(e.stateMask)));\r
  62     }\r
  63 \r
  64     public static int adaptSWTKeyCodeToAWTKeyCode(int swtKeyCode)\r
  65     {\r
  66         int c = swtKeyCode;\r
  67 \r
  68 \r
  69         if (swtKeyCode>=KeyEvent.VK_A+0x20 && swtKeyCode<=KeyEvent.VK_Z+0x20)\r
  70             return swtKeyCode - 0x20;\r
  71 \r
  72         switch(swtKeyCode) {\r
  73             case SWT.ARROW_UP: return KeyEvent.VK_UP;\r
  74             case SWT.ARROW_DOWN: return KeyEvent.VK_DOWN;\r
  75             case SWT.ARROW_LEFT: return KeyEvent.VK_LEFT;\r
  76             case SWT.ARROW_RIGHT: return KeyEvent.VK_RIGHT;\r
  77             case SWT.PAGE_UP: return KeyEvent.VK_PAGE_UP;\r
  78             case SWT.PAGE_DOWN: return KeyEvent.VK_PAGE_DOWN;\r
  79             case SWT.HOME: return KeyEvent.VK_HOME;\r
  80             case SWT.END: return KeyEvent.VK_END;\r
  81             case SWT.INSERT: return KeyEvent.VK_INSERT;\r
  82             case SWT.F1: return KeyEvent.VK_F1;\r
  83             case SWT.F2: return KeyEvent.VK_F2;\r
  84             case SWT.F3: return KeyEvent.VK_F3;\r
  85             case SWT.F4: return KeyEvent.VK_F4;\r
  86             case SWT.F5: return KeyEvent.VK_F5;\r
  87             case SWT.F6: return KeyEvent.VK_F6;\r
  88             case SWT.F7: return KeyEvent.VK_F7;\r
  89             case SWT.F8: return KeyEvent.VK_F8;\r
  90             case SWT.F9: return KeyEvent.VK_F9;\r
  91             case SWT.F10: return KeyEvent.VK_F10;\r
  92             case SWT.F11: return KeyEvent.VK_F11;\r
  93             case SWT.F12: return KeyEvent.VK_F12;\r
  94             case SWT.F13: return KeyEvent.VK_F13;\r
  95             case SWT.F14: return KeyEvent.VK_F14;\r
  96             case SWT.F15: return KeyEvent.VK_F15;\r
  97             case SWT.KEYPAD_MULTIPLY: return KeyEvent.VK_MULTIPLY;\r
  98             case SWT.KEYPAD_ADD: return KeyEvent.VK_ADD;\r
  99             case SWT.KEYPAD_SUBTRACT: return KeyEvent.VK_SUBTRACT;\r
 100             case SWT.KEYPAD_DECIMAL: return KeyEvent.VK_DECIMAL;\r
 101             case SWT.KEYPAD_DIVIDE: return KeyEvent.VK_DIVIDE;\r
 102             case SWT.KEYPAD_0: return KeyEvent.VK_NUMPAD0;\r
 103             case SWT.KEYPAD_1: return KeyEvent.VK_NUMPAD1;\r
 104             case SWT.KEYPAD_2: return KeyEvent.VK_NUMPAD2;\r
 105             case SWT.KEYPAD_3: return KeyEvent.VK_NUMPAD3;\r
 106             case SWT.KEYPAD_4: return KeyEvent.VK_NUMPAD4;\r
 107             case SWT.KEYPAD_5: return KeyEvent.VK_NUMPAD5;\r
 108             case SWT.KEYPAD_6: return KeyEvent.VK_NUMPAD6;\r
 109             case SWT.KEYPAD_7: return KeyEvent.VK_NUMPAD7;\r
 110             case SWT.KEYPAD_8: return KeyEvent.VK_NUMPAD8;\r
 111             case SWT.KEYPAD_9: return KeyEvent.VK_NUMPAD9;\r
 112             case SWT.KEYPAD_EQUAL: return KeyEvent.VK_EQUALS;\r
 113             case SWT.KEYPAD_CR: return KeyEvent.VK_ENTER; // wrong?\r
 114             case SWT.HELP: return KeyEvent.VK_HELP;\r
 115             case SWT.CAPS_LOCK: return KeyEvent.VK_CAPS_LOCK;\r
 116             case SWT.NUM_LOCK: return KeyEvent.VK_NUM_LOCK;\r
 117             case SWT.SCROLL_LOCK: return KeyEvent.VK_NUM_LOCK;\r
 118             case SWT.PAUSE: return KeyEvent.VK_PAUSE;\r
 119             //case SWT.BREAK: return KeyEvent.vk_\r
 120             case SWT.PRINT_SCREEN: return KeyEvent.VK_PRINTSCREEN;\r
 121 \r
 122             case SWT.DEL: return KeyEvent.VK_DELETE;\r
 123             case SWT.CR: return KeyEvent.VK_ENTER;\r
 124             case SWT.ESC: return KeyEvent.VK_ESCAPE;\r
 125             case SWT.TAB: return KeyEvent.VK_TAB;\r
 126             case SWT.ALT: return KeyEvent.VK_ALT;\r
 127             case SWT.SHIFT: return KeyEvent.VK_SHIFT;\r
 128             case SWT.CTRL: return KeyEvent.VK_CONTROL;\r
 129             case SWT.COMMAND: return KeyEvent.VK_META;\r
 130             case SWT.BS: return KeyEvent.VK_BACK_SPACE;\r
 131             //case SWT.: return KeyEvent.VK_;\r
 132 \r
 133         }\r
 134         if (c>=0 && c<255) return c;\r
 135 \r
 136         // Guess :G\r
 137         return c;\r
 138     }\r
 139 \r
 140     public static int adaptSWTModifierToAWTModifier(int swtModifier)\r
 141     {\r
 142         int c = swtModifier;\r
 143         int result = 0;\r
 144 \r
 145         boolean alt = (c & SWT.ALT) != 0;\r
 146         boolean ctrl = (c & SWT.CTRL) != 0;\r
 147         boolean shift = (c & SWT.SHIFT) != 0;\r
 148         boolean command = (c & SWT.COMMAND) != 0;\r
 149 \r
 150         if (alt)         result |= KeyEvent.ALT_DOWN_MASK       | KeyEvent.ALT_MASK;\r
 151         if (ctrl)        result |= KeyEvent.CTRL_DOWN_MASK      | KeyEvent.CTRL_MASK;\r
 152         if (alt && ctrl) result |= KeyEvent.ALT_GRAPH_DOWN_MASK | KeyEvent.ALT_GRAPH_MASK;\r
 153         if (shift)       result |= KeyEvent.SHIFT_DOWN_MASK     | KeyEvent.SHIFT_MASK;\r
 154         if (command)     result |= KeyEvent.META_DOWN_MASK      | KeyEvent.META_MASK;\r
 155 \r
 156         return result;\r
 157     }\r
 158 \r
 159 \r
 160 }\r