libjava/classpath/java/awt/GridBagConstraints.java

   1 /* GridBagConstraints.java -- Constraints for GridBag layout manager
   2    Copyright (C) 2000, 2001, 2002, 2004  Free Software Foundation
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package java.awt;
  40
  41 import java.io.Serializable;
  42
  43 /**
  44  * This specifies the constraints for a component managed by the
  45  * GridBagLayout layout manager.
  46  */
  47 public class GridBagConstraints implements Cloneable, Serializable
  48 {
  49   static final long serialVersionUID = -1000070633030801713L;
  50
  51   /** Fill in both directions.  */
  52   public static final int BOTH = 1;
  53   /** Don't fill.  */
  54   public static final int NONE = 0;
  55   /** Fill horizontally.  */
  56   public static final int HORIZONTAL = 2;
  57   /** Fill vertically.  */
  58   public static final int VERTICAL = 3;
  59
  60   /** Position in the center.  */
  61   public static final int CENTER = 10;
  62   /** Position to the east.  */
  63   public static final int EAST = 13;
  64   /** Position to the north.  */
  65   public static final int NORTH = 11;
  66   /** Position to the northeast.  */
  67   public static final int NORTHEAST = 12;
  68   /** Position to the northwest.  */
  69   public static final int NORTHWEST = 18;
  70   /** Position to the south.  */
  71   public static final int SOUTH = 15;
  72   /** Position to the southeast.  */
  73   public static final int SOUTHEAST = 14;
  74   /** Position to the southwest.  */
  75   public static final int SOUTHWEST = 16;
  76   /** Position to the west.  */
  77   public static final int WEST = 17;
  78
  79   /** Occupy all remaining cells except last cell.  */
  80   public static final int RELATIVE = -1;
  81   /** Occupy all remaining cells.  */
  82   public static final int REMAINDER = 0;
  83
  84   /**
  85    * Position to where the first text line would end. Equals to NORTHEAST for
  86    * horizontal left-to-right orientations.
  87    */
  88   public static final int FIRST_LINE_END = 24;
  89
  90   /**
  91    * Position to where the first text line would start. Equals to NORTHWEST for
  92    * horizontal left-to-right orientations.
  93    */
  94   public static final int FIRST_LINE_START = 23;
  95
  96   /**
  97    * Position to where the last text line would end. Equals to SOUTHEAST for
  98    * horizontal left-to-right orientations.
  99    */
 100   public static final int LAST_LINE_END = 26;
 101
 102   /**
 103    * Position to where the last text line would start. Equals to SOUTHWEST for
 104    * horizontal left-to-right orientations.
 105    */
 106   public static final int LAST_LINE_START = 25;
 107
 108   /**
 109    * Position to where a text line would end. Equals to EAST for
 110    * left-to-right orientations.
 111    */
 112   public static final int LINE_END = 22;
 113
 114   /**
 115    * Position to where a text line would start. Equals to WEST for
 116    * left-to-right orientations.
 117    */
 118   public static final int LINE_START = 21;
 119
 120   /**
 121    * Position to where a page ends. Equals SOUTH for horizontal orientations.
 122    */
 123   public static final int PAGE_END = 20;
 124
 125   /**
 126    * Position to where a page starts. Equals NORTH for horizontal orientations.
 127    */
 128   public static final int PAGE_START = 19;
 129
 130   public int anchor;
 131   public int fill;
 132   public int gridheight;
 133   public int gridwidth;
 134   public int gridx;
 135   public int gridy;
 136   public Insets insets;
 137   public int ipadx;
 138   public int ipady;
 139   public double weightx;
 140   public double weighty;
 141
 142   /** Create a copy of this object.  */
 143   public Object clone ()
 144   {
 145     try
 146       {
 147         GridBagConstraints g = (GridBagConstraints) super.clone ();
 148         g.insets = (Insets) insets.clone ();
 149         return g;
 150       }
 151     catch (CloneNotSupportedException _)
 152       {
 153         // Can't happen.
 154         return null;
 155       }
 156   }
 157
 158   /** Create a new GridBagConstraints object with the default
 159    * parameters.  */
 160   public GridBagConstraints ()
 161   {
 162     this.anchor = CENTER;
 163     this.fill = NONE;
 164     this.gridx = RELATIVE;
 165     this.gridy = RELATIVE;
 166     this.gridwidth = 1;
 167     this.gridheight = 1;
 168     this.ipadx = 0;
 169     this.ipady = 0;
 170     this.insets = new Insets (0, 0, 0, 0);
 171     this.weightx = 0;
 172     this.weighty = 0;
 173   }
 174
 175   /** Create a new GridBagConstraints object with the indicated
 176    * parameters.  */
 177   public GridBagConstraints (int gridx, int gridy,
 178                              int gridwidth, int gridheight,
 179                              double weightx, double weighty,
 180                              int anchor, int fill,
 181                              Insets insets, int ipadx, int ipady)
 182   {
 183     this.anchor = anchor;
 184     this.fill = fill;
 185     this.gridx = gridx;
 186     this.gridy = gridy;
 187     this.gridwidth = gridwidth;
 188     this.gridheight = gridheight;
 189     this.ipadx = ipadx;
 190     this.ipady = ipady;
 191     this.insets = insets;
 192     this.weightx = weightx;
 193     this.weighty = weighty;
 194   }
 195 }