libjava/java/awt/Event.java

   1 /* Copyright (C) 1999, 2000, 2002  Free Software Foundation
   2
   3 This file is part of GNU Classpath.
   4
   5 GNU Classpath is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2, or (at your option)
   8 any later version.
   9
  10 GNU Classpath is distributed in the hope that it will be useful, but
  11 WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GNU Classpath; see the file COPYING.  If not, write to the
  17 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18 02111-1307 USA.
  19
  20 Linking this library statically or dynamically with other modules is
  21 making a combined work based on this library.  Thus, the terms and
  22 conditions of the GNU General Public License cover the whole
  23 combination.
  24
  25 As a special exception, the copyright holders of this library give you
  26 permission to link this library with independent modules to produce an
  27 executable, regardless of the license terms of these independent
  28 modules, and to copy and distribute the resulting executable under
  29 terms of your choice, provided that you also meet, for each linked
  30 independent module, the terms and conditions of the license of that
  31 module.  An independent module is a module which is not derived from
  32 or based on this library.  If you modify this library, you may extend
  33 this exception to your version of the library, but you are not
  34 obligated to do so.  If you do not wish to do so, delete this
  35 exception statement from your version. */
  36
  37
  38 package java.awt;
  39
  40 /**
  41  * Written using on-line Java Platform 1.2 API Specification, as well
  42  * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
  43  * Status:  Believed complete and correct.
  44  */
  45
  46 public class Event implements java.io.Serializable
  47 {
  48   public static final int SHIFT_MASK = 1,
  49                           CTRL_MASK = 2,
  50                           META_MASK = 4,
  51                           ALT_MASK = 8;
  52
  53   public static final int ACTION_EVENT = 1001,
  54                           BACK_SPACE = 8,
  55                           CAPS_LOCK = 1022,
  56                           DELETE = 127,
  57                           DOWN = 1005,
  58                           END = 1001,
  59                           ENTER = 10,
  60                           ESCAPE = 27,
  61                           F1 = 1008,
  62                           F10 = 1017,
  63                           F11 = 1018,
  64                           F12 = 1019,
  65                           F2 = 1009,
  66                           F3 = 1010,
  67                           F4 = 1011,
  68                           F5 = 1012,
  69                           F6 = 1013,
  70                           F7 = 1014,
  71                           F8 = 1015,
  72                           F9 = 1016,
  73                           GOT_FOCUS = 1004,
  74                           HOME = 1000,
  75                           INSERT = 1025,
  76                           KEY_ACTION = 403,
  77                           KEY_ACTION_RELEASE = 404,
  78                           KEY_PRESS = 401,
  79                           KEY_RELEASE = 402,
  80                           LEFT = 1006,
  81                           LIST_DESELECT = 702,
  82                           LIST_SELECT = 701,
  83                           LOAD_FILE = 1002,
  84                           LOST_FOCUS = 1005,
  85                           MOUSE_DOWN = 501,
  86                           MOUSE_DRAG = 506,
  87                           MOUSE_ENTER = 504,
  88                           MOUSE_EXIT = 505,
  89                           MOUSE_MOVE = 503,
  90                           MOUSE_UP = 502,
  91                           NUM_LOCK = 1023,
  92                           PAUSE = 1024,
  93                           PGDN = 1003,
  94                           PGUP = 1002,
  95                           PRINT_SCREEN = 1020,
  96                           RIGHT = 1007,
  97                           SAVE_FILE = 1003,
  98                           SCROLL_ABSOLUTE = 605,
  99                           SCROLL_BEGIN = 606,
 100                           SCROLL_END = 607,
 101                           SCROLL_LINE_DOWN = 602,
 102                           SCROLL_LINE_UP = 601,
 103                           SCROLL_LOCK = 1021,
 104                           SCROLL_PAGE_DOWN = 604,
 105                           SCROLL_PAGE_UP = 603,
 106                           TAB = 9,
 107                           UP = 1004,
 108                           WINDOW_DEICONIFY = 204,
 109                           WINDOW_DESTROY = 201,
 110                           WINDOW_EXPOSE = 202,
 111                           WINDOW_ICONIFY = 203,
 112                           WINDOW_MOVED = 205;
 113
 114   public Object arg;
 115   public int clickCount;
 116   boolean consumed;             // Required by serialization spec.
 117   public Event evt;
 118   public int id;
 119   public int key;
 120   public int modifiers;
 121   public Object target;
 122   public long when;
 123   public int x;
 124   public int y;
 125
 126   public Event (Object target, int id, Object arg)
 127   {
 128     this.id = id;
 129     this.target = target;
 130     this.arg = arg;
 131   }
 132
 133   public Event (Object target, long when, int id, int x, int y, int key,
 134                 int modifiers)
 135   {
 136     this.target = target;
 137     this.when = when;
 138     this.id = id;
 139     this.x = x;
 140     this.y = y;
 141     this.key = key;
 142     this.modifiers = modifiers;
 143   }
 144
 145   public Event (Object target, long when, int id, int x, int y, int key,
 146                 int modifiers, Object arg)
 147   {
 148     this (target, when, id, x, y, key, modifiers);
 149     this.arg = arg;
 150   }
 151
 152   public boolean controlDown ()
 153   {
 154     return ((modifiers & CTRL_MASK) == 0 ? false : true);
 155   }
 156
 157   public boolean metaDown ()
 158   {
 159     return ((modifiers & META_MASK) == 0 ? false : true);
 160   }
 161
 162   protected String paramString ()
 163   {
 164     return "id=" + id + ",x=" + x + ",y=" + y + "target=" + target;
 165   }
 166
 167   public boolean shiftDown()
 168   {
 169     return ((modifiers & SHIFT_MASK) == 0 ? false : true);
 170   }
 171
 172   public String toString()
 173   {
 174     return getClass().getName() + "[" + paramString() + "]";
 175   }
 176
 177   public void translate (int x, int y)
 178   {
 179     this.x += x;
 180     this.y += y;
 181   }
 182 }