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

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