bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/events/adapter/AWTRemoteEventAdapter.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 package org.simantics.scenegraph.g2d.events.adapter;\r
  13 \r
  14 import java.awt.AWTEvent;\r
  15 import java.awt.event.AWTEventListener;\r
  16 import java.awt.event.InputEvent;\r
  17 import java.awt.event.KeyEvent;\r
  18 import java.awt.event.KeyListener;\r
  19 import java.awt.event.MouseEvent;\r
  20 import java.awt.event.MouseListener;\r
  21 import java.awt.event.MouseMotionListener;\r
  22 import java.awt.event.MouseWheelEvent;\r
  23 import java.awt.event.MouseWheelListener;\r
  24 import java.awt.geom.Point2D;\r
  25 import org.simantics.scenegraph.g2d.events.IEventHandler;\r
  26 import org.simantics.scenegraph.g2d.events.IEventQueue;\r
  27 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;\r
  28 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyReleasedEvent;\r
  29 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonPressedEvent;\r
  30 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonReleasedEvent;\r
  31 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;\r
  32 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseEnterEvent;\r
  33 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseExitEvent;\r
  34 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;\r
  35 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseWheelMovedEvent;\r
  36 import org.simantics.scenegraph.g2d.events.adapter.AbstractEventAdapter;\r
  37 \r
  38 \r
  39 /**\r
  40  * Listens to objectinput stream and reads AWT events\r
  41  * Adapts AWT events into G2D events.\r
  42  * \r
  43  * Sends adapted events to IEventHandler\r
  44  */\r
  45 public class AWTRemoteEventAdapter extends AbstractEventAdapter implements AWTEventListener, MouseListener, MouseMotionListener, MouseWheelListener, KeyListener {\r
  46 \r
  47     /** Mouse id of the default mouse */\r
  48     public static final int MOUSE_ID     = 0;\r
  49 \r
  50     private long[]          pressTime    = new long[5];\r
  51     int                     buttonStatus = 0;\r
  52 \r
  53     /**\r
  54      * create new adapter\r
  55      * @param input the input stream where the events are read from\r
  56      * @param sender the sender field in the events\r
  57      * @param delegator the target of the adapted events\r
  58      */\r
  59     public AWTRemoteEventAdapter(Object sender, IEventHandler delegator) {\r
  60         super(sender, delegator);\r
  61     }\r
  62 \r
  63     /**\r
  64      * create new adapter\r
  65      * @param sender the sender field in the events\r
  66      * @param queue\r
  67      */\r
  68     public AWTRemoteEventAdapter(Object sender, IEventQueue queue) {\r
  69         super(sender, queue);\r
  70     }   \r
  71 \r
  72     private Point2D getControlPosition(MouseEvent e)\r
  73     {\r
  74         return new Point2D.Double(e.getX(), e.getY());\r
  75     }\r
  76 \r
  77     private Point2D getScreenPosition(MouseEvent e)\r
  78     {\r
  79         java.awt.Point p = e.getLocationOnScreen();\r
  80         return new Point2D.Double(p.x, p.y);\r
  81     }\r
  82 \r
  83     private int getMouseButton(MouseEvent e)\r
  84     {\r
  85         int awtMouseButton = e.getButton();\r
  86         if (awtMouseButton == MouseEvent.BUTTON1)\r
  87             return org.simantics.scenegraph.g2d.events.MouseEvent.LEFT_BUTTON;\r
  88         if (awtMouseButton == MouseEvent.BUTTON2)\r
  89             return org.simantics.scenegraph.g2d.events.MouseEvent.MIDDLE_BUTTON;\r
  90         if (awtMouseButton == MouseEvent.BUTTON3)\r
  91             return org.simantics.scenegraph.g2d.events.MouseEvent.RIGHT_BUTTON;\r
  92         return awtMouseButton;\r
  93     }\r
  94 \r
  95     private static int getStateMask(MouseEvent e) {\r
  96         int modifiers = e.getModifiersEx();\r
  97         int stateMask = 0;\r
  98         if((modifiers & InputEvent.CTRL_DOWN_MASK) != 0)\r
  99             stateMask |= org.simantics.scenegraph.g2d.events.MouseEvent.CTRL_MASK;\r
 100         if((modifiers & InputEvent.ALT_DOWN_MASK) != 0)\r
 101             stateMask |= org.simantics.scenegraph.g2d.events.MouseEvent.ALT_MASK;\r
 102         if((modifiers & InputEvent.ALT_GRAPH_DOWN_MASK) != 0)\r
 103             stateMask |= org.simantics.scenegraph.g2d.events.MouseEvent.ALT_GRAPH_MASK;\r
 104         if((modifiers & InputEvent.SHIFT_DOWN_MASK) != 0)\r
 105             stateMask |= org.simantics.scenegraph.g2d.events.MouseEvent.SHIFT_MASK;\r
 106         return stateMask;\r
 107     }\r
 108 \r
 109 \r
 110     public void mouseEntered(MouseEvent e) {\r
 111         buttonStatus = 0;\r
 112         MouseEnterEvent me = new MouseEnterEvent(sender, e.getWhen(), MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e)); \r
 113         handleEvent(me);\r
 114     }\r
 115 \r
 116 \r
 117     public void mouseExited(MouseEvent e) {\r
 118         MouseExitEvent me = new MouseExitEvent(sender, e.getWhen(), MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e));\r
 119         handleEvent(me);\r
 120     }\r
 121 \r
 122 \r
 123     public void mousePressed(MouseEvent e) {\r
 124         //System.out.println("AWT mouse pressed: " + e);\r
 125         int mouseButton = getMouseButton(e);\r
 126         if (mouseButton<=pressTime.length) pressTime[mouseButton-1] = e.getWhen();\r
 127         buttonStatus |= 1 << (mouseButton-1);\r
 128 \r
 129         handleEvent(new MouseButtonPressedEvent(sender, e.getWhen(), MOUSE_ID,\r
 130                 buttonStatus, getStateMask(e), mouseButton, getControlPosition(e), getScreenPosition(e)));\r
 131         if (e.getClickCount() == 2) {\r
 132             handleEvent(new MouseDoubleClickedEvent(sender, e.getWhen(),\r
 133                     MOUSE_ID, buttonStatus, getStateMask(e), mouseButton, getControlPosition(e), getScreenPosition(e)));\r
 134         }\r
 135     }\r
 136 \r
 137 \r
 138     public void mouseReleased(MouseEvent e) {\r
 139         //System.out.println("AWT mouse released: " + e);\r
 140         int mouseButton = getMouseButton(e);\r
 141         long holdTime = Long.MAX_VALUE;\r
 142         if (mouseButton<=pressTime.length) \r
 143             holdTime = e.getWhen() - pressTime[mouseButton-1];\r
 144 \r
 145         buttonStatus &=~ (1<<(mouseButton-1));  \r
 146         MouseButtonReleasedEvent me = new MouseButtonReleasedEvent(sender, e.getWhen(), MOUSE_ID, buttonStatus, getStateMask(e), mouseButton, holdTime, getControlPosition(e), getScreenPosition(e));\r
 147         handleEvent(me);\r
 148     }\r
 149 \r
 150 \r
 151     public void mouseDragged(MouseEvent e) {\r
 152         MouseMovedEvent me = new MouseMovedEvent(sender, e.getWhen(), MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e));\r
 153         handleEvent(me);\r
 154     }\r
 155 \r
 156 \r
 157     public void mouseMoved(MouseEvent e) {\r
 158         MouseMovedEvent me = new MouseMovedEvent(sender, e.getWhen(), MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e));\r
 159         handleEvent(me);\r
 160     }\r
 161 \r
 162 \r
 163     public void mouseWheelMoved(MouseWheelEvent e) {\r
 164         int wheelRotation = 0;\r
 165         if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {\r
 166             wheelRotation = -e.getUnitsToScroll();\r
 167         } else {\r
 168             wheelRotation = -e.getWheelRotation();\r
 169         }\r
 170         handleEvent(new MouseWheelMovedEvent(\r
 171                 sender, e.getWhen(), MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e),\r
 172                 e.getScrollType(), e.getScrollAmount(), wheelRotation\r
 173                 ));\r
 174     }\r
 175 \r
 176 \r
 177     public void mouseClicked(MouseEvent e) {\r
 178     }\r
 179 \r
 180 \r
 181     public void keyPressed(KeyEvent e) {\r
 182         handleEvent(\r
 183                 new KeyPressedEvent(sender, e.getWhen(), e.getKeyChar(), e.getKeyCode(), e.getModifiers()));\r
 184     }\r
 185 \r
 186 \r
 187     public void keyReleased(KeyEvent e) {\r
 188         handleEvent(\r
 189                 new KeyReleasedEvent(sender, e.getWhen(), e.getKeyChar(), e.getKeyCode(), e.getModifiers()));\r
 190     }\r
 191 \r
 192 \r
 193     public void keyTyped(KeyEvent e) {\r
 194 //      System.out.println("keyTyped("+e+")");\r
 195 //        handleEvent(\r
 196 //                new KeyTypedEvent(sender, e.getWhen(), e.getKeyChar(), e.getKeyCode(), e.getModifiers()));\r
 197     }\r
 198 \r
 199 \r
 200     public void eventDispatched(AWTEvent event) {\r
 201         if(event.getID() == KeyEvent.KEY_PRESSED) {\r
 202             keyPressed((KeyEvent)event);\r
 203         }\r
 204         if(event.getID() == KeyEvent.KEY_RELEASED) {\r
 205             keyReleased((KeyEvent)event);\r
 206         }\r
 207         if(event.getID() == KeyEvent.KEY_TYPED) {\r
 208             keyTyped((KeyEvent)event);\r
 209         }\r
 210 \r
 211         if(event.getID() == MouseEvent.MOUSE_MOVED) {\r
 212             mouseMoved((MouseEvent)event);\r
 213         }\r
 214         if(event.getID() == MouseEvent.MOUSE_DRAGGED) {\r
 215             mouseDragged((MouseEvent)event);\r
 216         }\r
 217         if(event.getID() == MouseEvent.MOUSE_PRESSED) {\r
 218             mousePressed((MouseEvent)event);\r
 219         }\r
 220         if(event.getID() == MouseEvent.MOUSE_RELEASED) {\r
 221             mouseReleased((MouseEvent)event);\r
 222         }\r
 223         if(event.getID() == MouseEvent.MOUSE_CLICKED) {\r
 224             mouseClicked((MouseEvent)event);\r
 225         }\r
 226         if(event.getID() == MouseEvent.MOUSE_WHEEL) {\r
 227             mouseWheelMoved((MouseWheelEvent)event);\r
 228         }\r
 229         if(event.getID() == MouseEvent.MOUSE_ENTERED) {\r
 230             mouseEntered((MouseEvent)event);\r
 231         }\r
 232         if(event.getID() == MouseEvent.MOUSE_EXITED) {\r
 233             mouseExited((MouseEvent)event);\r
 234         }\r
 235     }\r
 236 }\r