bundles/org.simantics.g2d/src/org/simantics/g2d/event/adapter/SWTMouseEventAdapter.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.geom.Point2D;\r
  19 \r
  20 import org.eclipse.swt.events.MouseEvent;\r
  21 import org.eclipse.swt.events.MouseListener;\r
  22 import org.eclipse.swt.events.MouseMoveListener;\r
  23 import org.eclipse.swt.events.MouseTrackListener;\r
  24 import org.eclipse.swt.events.MouseWheelListener;\r
  25 import org.eclipse.swt.graphics.Point;\r
  26 import org.simantics.scenegraph.g2d.events.EventDebugPolicy;\r
  27 import org.simantics.scenegraph.g2d.events.IEventHandler;\r
  28 import org.simantics.scenegraph.g2d.events.IEventQueue;\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 public class SWTMouseEventAdapter extends AbstractEventAdapter implements MouseListener, MouseMoveListener, MouseTrackListener, MouseWheelListener {\r
  39 \r
  40         /** Mouse id of the default mouse */\r
  41         public static final int MOUSE_ID = 0;\r
  42         \r
  43     private long [] pressTime = new long[5];\r
  44     \r
  45         int buttonStatus = 0;\r
  46 \r
  47         /**\r
  48          * create new adapter\r
  49          * @param sender the sender field in the events\r
  50          * @param delegator the target of the adapted events\r
  51          */\r
  52         public SWTMouseEventAdapter(Object sender, IEventHandler delegator) {\r
  53                 super(sender, delegator);\r
  54         }\r
  55 \r
  56         /**\r
  57          * create new adapter\r
  58          * @param sender the sender field in the events\r
  59          * @param queue\r
  60          */\r
  61         public SWTMouseEventAdapter(Object sender, IEventQueue queue) {\r
  62                 super(sender, queue);\r
  63         }\r
  64         \r
  65         private Point2D getControlPosition(MouseEvent e)\r
  66         {\r
  67                 return new Point2D.Double(e.x, e.y);\r
  68         }\r
  69         \r
  70         private Point2D getScreenPosition(MouseEvent e)\r
  71         {\r
  72                 Point p = e.display.getCursorLocation();\r
  73                 return new Point2D.Double(p.x, p.y);\r
  74                 \r
  75         }\r
  76         \r
  77         private int getMouseButton(MouseEvent e)\r
  78         {\r
  79                 switch (e.button) {\r
  80                         case 1: return 1; // LEFT\r
  81                         case 2: return 3; // RIGHT\r
  82                         case 3: return 2; // MIDDLE\r
  83                         case 4: return 4; // BUTTON4\r
  84                         case 5: return 5; // BUTTON5\r
  85                 }\r
  86                 return e.button;\r
  87         }\r
  88         \r
  89         static private int getStateMask(MouseEvent e) {\r
  90             return SWTKeyEventAdapter.adaptSWTModifierToAWTModifier(e.stateMask);\r
  91         }\r
  92 \r
  93         @Override\r
  94         public void mouseDoubleClick(MouseEvent e) {\r
  95                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
  96                         System.out.println("SWT mouse double clicked: " + e);\r
  97                 handleEvent(new MouseDoubleClickedEvent(\r
  98                                 sender, e.time & 0xffffffff, MOUSE_ID, buttonStatus, getStateMask(e), getMouseButton(e), getControlPosition(e), getScreenPosition(e)\r
  99                                 ));\r
 100         }\r
 101 \r
 102         @Override\r
 103         public void mouseDown(MouseEvent e) {\r
 104                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
 105                         System.out.println("SWT mouse down: " + e);\r
 106                 buttonStatus |= 1 << e.button;          \r
 107                 if (e.button<=pressTime.length) pressTime[e.button-1] = e.time & 0xffffffff;            \r
 108                 handleEvent(new MouseButtonPressedEvent(\r
 109                                 sender, e.time & 0xffffffff, MOUSE_ID, buttonStatus, getStateMask(e), getMouseButton(e), getControlPosition(e), getScreenPosition(e)\r
 110                                 ));\r
 111         }\r
 112 \r
 113         @Override\r
 114         public void mouseUp(MouseEvent e) {\r
 115                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
 116                         System.out.println("SWT mouse up: " + e);\r
 117                 buttonStatus &=~ (1<<e.button);\r
 118                 long holdTime = Long.MAX_VALUE;\r
 119                 if (e.button<=pressTime.length)\r
 120                         holdTime = (e.time & 0xffffffff) - pressTime[e.button-1];\r
 121                 \r
 122                 handleEvent(new MouseButtonReleasedEvent(\r
 123                                 sender, e.time & 0xffffffff, MOUSE_ID, buttonStatus, getStateMask(e), getMouseButton(e), holdTime, getControlPosition(e), getScreenPosition(e)\r
 124                                 ));\r
 125         }\r
 126 \r
 127         @Override\r
 128         public void mouseMove(MouseEvent e) {\r
 129                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
 130                         System.out.println("SWT mouse move: " + e);\r
 131                 MouseMovedEvent mme = new MouseMovedEvent(\r
 132                         sender, e.time & 0xffffffff, MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e));\r
 133                 handleEvent(mme);\r
 134         }\r
 135 \r
 136         @Override\r
 137         public void mouseEnter(MouseEvent e) {\r
 138                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
 139                         System.out.println("SWT mouse enter: " + e);\r
 140                 handleEvent(new MouseEnterEvent(\r
 141                                 sender, e.time & 0xffffffff, MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e)\r
 142                                 ));\r
 143         }\r
 144 \r
 145         @Override\r
 146         public void mouseExit(MouseEvent e) {\r
 147                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
 148                         System.out.println("SWT mouse exit: " + e);\r
 149                 handleEvent(new MouseExitEvent(\r
 150                                 sender, e.time & 0xffffffff, MOUSE_ID, buttonStatus, getStateMask(e), getControlPosition(e), getScreenPosition(e)\r
 151                                 ));\r
 152         }\r
 153 \r
 154         @Override\r
 155         public void mouseHover(MouseEvent e) {\r
 156                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
 157                         System.out.println("SWT mouse hover: " + e);\r
 158         }\r
 159 \r
 160         @Override\r
 161         public void mouseScrolled(MouseEvent e) {\r
 162                 if (EventDebugPolicy.SWT_MOUSE_EVENT_ADAPTION)\r
 163                         System.out.println("SWT mouse scrolled: " + e);\r
 164                 handleEvent(new MouseWheelMovedEvent(\r
 165                                 sender, e.time & 0xffffffff, MOUSE_ID, buttonStatus, \r
 166                                 getStateMask(e),\r
 167                                 getControlPosition(e), getScreenPosition(e), \r
 168                                 MouseWheelMovedEvent.WHEEL_UNIT_SCROLL, \r
 169                                 0, \r
 170                                 e.count\r
 171                                 ));\r
 172         }\r
 173 \r
 174 }\r