libjava/java/awt/Event.java

   1 /* Copyright (C) 1999, 2000  Free Software Foundation
   2
   3    This file is part of libjava.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libjava License.  Please consult the file "LIBJAVA_LICENSE" for
   7 details.  */
   8
   9 package java.awt;
  10
  11 /**
  12  * Written using on-line Java Platform 1.2 API Specification, as well
  13  * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
  14  * Status:  Believed complete and correct.
  15  */
  16
  17 public class Event implements java.io.Serializable
  18 {
  19   public static final int SHIFT_MASK = 1,
  20                           CTRL_MASK = 2,
  21                           META_MASK = 4,
  22                           ALT_MASK = 8;
  23
  24   public static final int ACTION_EVENT = 1001,
  25                           BACK_SPACE = 8,
  26                           CAPS_LOCK = 1022,
  27                           DELETE = 127,
  28                           DOWN = 1005,
  29                           END = 1001,
  30                           ENTER = 10,
  31                           ESCAPE = 27,
  32                           F1 = 1008,
  33                           F10 = 1017,
  34                           F11 = 1018,
  35                           F12 = 1019,
  36                           F2 = 1009,
  37                           F3 = 1010,
  38                           F4 = 1011,
  39                           F5 = 1012,
  40                           F6 = 1013,
  41                           F7 = 1014,
  42                           F8 = 1015,
  43                           F9 = 1016,
  44                           GOT_FOCUS = 1004,
  45                           HOME = 1000,
  46                           INSERT = 1025,
  47                           KEY_ACTION = 403,
  48                           KEY_ACTION_RELEASE = 404,
  49                           KEY_PRESS = 401,
  50                           KEY_RELEASE = 402,
  51                           LEFT = 1006,
  52                           LIST_DESELECT = 702,
  53                           LIST_SELECT = 701,
  54                           LOAD_FILE = 1002,
  55                           LOST_FOCUS = 1005,
  56                           MOUSE_DOWN = 501,
  57                           MOUSE_DRAG = 506,
  58                           MOUSE_ENTER = 504,
  59                           MOUSE_EXIT = 505,
  60                           MOUSE_MOVE = 503,
  61                           MOUSE_UP = 502,
  62                           NUM_LOCK = 1023,
  63                           PAUSE = 1024,
  64                           PGDN = 1003,
  65                           PGUP = 1002,
  66                           PRINT_SCREEN = 1020,
  67                           RIGHT = 1007,
  68                           SAVE_FILE = 1003,
  69                           SCROLL_ABSOLUTE = 605,
  70                           SCROLL_BEGIN = 606,
  71                           SCROLL_END = 607,
  72                           SCROLL_LINE_DOWN = 602,
  73                           SCROLL_LINE_UP = 601,
  74                           SCROLL_LOCK = 1021,
  75                           SCROLL_PAGE_DOWN = 604,
  76                           SCROLL_PAGE_UP = 603,
  77                           TAB = 9,
  78                           UP = 1004,
  79                           WINDOW_DEICONIFY = 204,
  80                           WINDOW_DESTROY = 201,
  81                           WINDOW_EXPOSE = 202,
  82                           WINDOW_ICONIFY = 203,
  83                           WINDOW_MOVED = 205;
  84
  85   public Object arg;
  86   public int clickCount;
  87   boolean consumed;             // Required by serialization spec.
  88   public Event evt;
  89   public int id;
  90   public int key;
  91   public int modifiers;
  92   public Object target;
  93   public long when;
  94   public int x;
  95   public int y;
  96
  97   public Event (Object target, int id, Object arg)
  98   {
  99     this.id = id;
 100     this.target = target;
 101     this.arg = arg;
 102   }
 103
 104   public Event (Object target, long when, int id, int x, int y, int key,
 105                 int modifiers)
 106   {
 107     this.target = target;
 108     this.when = when;
 109     this.id = id;
 110     this.x = x;
 111     this.y = y;
 112     this.key = key;
 113     this.modifiers = modifiers;
 114   }
 115
 116   public Event (Object target, long when, int id, int x, int y, int key,
 117                 int modifiers, Object arg)
 118   {
 119     this (target, when, id, x, y, key, modifiers);
 120     this.arg = arg;
 121   }
 122
 123   public boolean controlDown ()
 124   {
 125     return ((modifiers & CTRL_MASK) == 0 ? false : true);
 126   }
 127
 128   public boolean metaDown ()
 129   {
 130     return ((modifiers & META_MASK) == 0 ? false : true);
 131   }
 132
 133   protected String paramString ()
 134   {
 135     return "id=" + id + ",x=" + x + ",y=" + y + "target=" + target;
 136   }
 137
 138   public boolean shiftDown()
 139   {
 140     return ((modifiers & SHIFT_MASK) == 0 ? false : true);
 141   }
 142
 143   public String toString()
 144   {
 145     return getClass().getName() + "[" + paramString() + "]";
 146   }
 147
 148   public void translate (int x, int y)
 149   {
 150     this.x += x;
 151     this.y += y;
 152   }
 153 }