libjava/javax/swing/JFrame.java

   1 /* JFrame.java --
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   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., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 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 javax.swing;
  40
  41 import java.awt.BorderLayout;
  42 import java.awt.Component;
  43 import java.awt.Container;
  44 import java.awt.Dimension;
  45 import java.awt.Frame;
  46 import java.awt.Graphics;
  47 import java.awt.GraphicsConfiguration;
  48 import java.awt.LayoutManager;
  49 import java.awt.event.KeyEvent;
  50 import java.awt.event.WindowEvent;
  51 import javax.accessibility.AccessibleContext;
  52
  53 /**
  54  * Unlike JComponent derivatives, JFrame inherits from
  55  * java.awt.Frame. But also lets a look-and-feel component to its work.
  56  *
  57  * @author Ronald Veldema (rveldema@cs.vu.nl)
  58  */
  59 public class JFrame extends Frame
  60 {
  61     public final static int HIDE_ON_CLOSE        = 0;
  62     public final static int EXIT_ON_CLOSE        = 1;
  63     public final static int DISPOSE_ON_CLOSE     = 2;
  64     public final static int DO_NOTHING_ON_CLOSE  = 3;
  65
  66     protected  AccessibleContext accessibleContext;
  67
  68     private int close_action = EXIT_ON_CLOSE;
  69
  70
  71     /***************************************************
  72      *
  73      *  initia
  74      *
  75      *
  76      *************/
  77
  78
  79     public JFrame()
  80     {
  81         super("JFrame");
  82         frameInit();
  83     }
  84
  85     public JFrame(String title)
  86     {
  87         super(title);
  88         frameInit();
  89     }
  90
  91
  92     /***************************************************
  93      *
  94      *
  95      *  methods, this part is shared with JDialog, JFrame
  96      *
  97      *
  98      *************/
  99
 100
 101     private boolean checking;
 102     protected  JRootPane         rootPane;
 103
 104
 105     protected  void frameInit()
 106     {
 107       super.setLayout(new BorderLayout(1, 1));
 108       getRootPane(); // will do set/create
 109     }
 110
 111   public Dimension getPreferredSize()
 112   {
 113     Dimension d = super.getPreferredSize();
 114     return d;
 115   }
 116
 117     JMenuBar getJMenuBar()
 118     {    return getRootPane().getJMenuBar();   }
 119
 120     void setJMenuBar(JMenuBar menubar)
 121     {    getRootPane().setJMenuBar(menubar); }
 122
 123
 124   public  void setLayout(LayoutManager manager)
 125   {    super.setLayout(manager);  }
 126
 127     void setLayeredPane(JLayeredPane layeredPane)
 128     {   getRootPane().setLayeredPane(layeredPane);   }
 129
 130     JLayeredPane getLayeredPane()
 131     {   return getRootPane().getLayeredPane();     }
 132
 133     JRootPane getRootPane()
 134     {
 135         if (rootPane == null)
 136             setRootPane(createRootPane());
 137         return rootPane;
 138     }
 139
 140     void setRootPane(JRootPane root)
 141     {
 142         if (rootPane != null)
 143             remove(rootPane);
 144
 145         rootPane = root;
 146         add(rootPane, BorderLayout.CENTER);
 147     }
 148
 149     JRootPane createRootPane()
 150     {   return new JRootPane();    }
 151
 152     public Container getContentPane()
 153     {    return getRootPane().getContentPane();     }
 154
 155     void setContentPane(Container contentPane)
 156     {    getRootPane().setContentPane(contentPane);    }
 157
 158     Component getGlassPane()
 159     {    return getRootPane().getGlassPane();   }
 160
 161     void setGlassPane(Component glassPane)
 162     {   getRootPane().setGlassPane(glassPane);   }
 163
 164
 165     protected  void addImpl(Component comp, Object constraints, int index)
 166     {   super.addImpl(comp, constraints, index);    }
 167
 168
 169     public void remove(Component comp)
 170     {   getContentPane().remove(comp);  }
 171
 172     protected  boolean isRootPaneCheckingEnabled()
 173     {    return checking;        }
 174
 175
 176     protected  void setRootPaneCheckingEnabled(boolean enabled)
 177     { checking = enabled;  }
 178
 179
 180     public void update(Graphics g)
 181     {   paint(g);  }
 182
 183     protected  void processKeyEvent(KeyEvent e)
 184     {   super.processKeyEvent(e);    }
 185
 186     /////////////////////////////////////////////////////////////////////////////////
 187
 188   public AccessibleContext getAccessibleContext()
 189   {
 190     return accessibleContext;
 191   }
 192
 193     int getDefaultCloseOperation()
 194     {    return close_action;   }
 195
 196
 197
 198     protected  String paramString()
 199     {   return "JFrame";     }
 200
 201
 202     protected  void processWindowEvent(WindowEvent e)
 203     {
 204         //      System.out.println("PROCESS_WIN_EV-1: " + e);
 205         super.processWindowEvent(e);
 206         //      System.out.println("PROCESS_WIN_EV-2: " + e);
 207         switch (e.getID())
 208             {
 209             case WindowEvent.WINDOW_CLOSING:
 210                 {
 211                     switch(close_action)
 212                         {
 213                         case EXIT_ON_CLOSE:
 214                             {
 215                                 System.out.println("user requested exit on close");
 216                                 System.exit(1);
 217                                 break;
 218                             }
 219                         case DISPOSE_ON_CLOSE:
 220                             {
 221                                 System.out.println("user requested dispose on close");
 222                                 dispose();
 223                                 break;
 224                             }
 225                         case HIDE_ON_CLOSE:
 226                             {
 227                                 setVisible(false);
 228                                 break;
 229                             }
 230                         case DO_NOTHING_ON_CLOSE:
 231                             break;
 232                         }
 233                     break;
 234                 }
 235
 236             case WindowEvent.WINDOW_CLOSED:
 237             case WindowEvent.WINDOW_OPENED:
 238             case WindowEvent.WINDOW_ICONIFIED:
 239             case WindowEvent.WINDOW_DEICONIFIED:
 240             case WindowEvent.WINDOW_ACTIVATED:
 241             case WindowEvent.WINDOW_DEACTIVATED:
 242                 break;
 243             }
 244     }
 245
 246
 247     void setDefaultCloseOperation(int operation)
 248     {  close_action = operation;   }
 249
 250 }