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 package javax.swing;
  39
  40 import java.awt.*;
  41 import java.awt.event.*;
  42
  43 import javax.accessibility.AccessibleContext;
  44 import javax.accessibility.AccessibleRole;
  45 import javax.accessibility.AccessibleState;
  46 import javax.accessibility.AccessibleStateSet;
  47
  48 /**
  49  * Unlike JComponent derivatives, JFrame inherits from
  50  * java.awt.Frame. But also lets a look-and-feel component to its work.
  51  *
  52  * @author Ronald Veldema (rveldema@cs.vu.nl)
  53  */
  54 public class JFrame extends Frame
  55 {
  56     public final static int HIDE_ON_CLOSE        = 0;
  57     public final static int EXIT_ON_CLOSE        = 1;
  58     public final static int DISPOSE_ON_CLOSE     = 2;
  59     public final static int DO_NOTHING_ON_CLOSE  = 3;
  60
  61     protected  AccessibleContext accessibleContext;
  62
  63     private int close_action = EXIT_ON_CLOSE;
  64
  65
  66     /***************************************************
  67      *
  68      *  initia
  69      *
  70      *
  71      *************/
  72
  73
  74     public JFrame()
  75     {
  76         super("JFrame");
  77         frameInit();
  78     }
  79
  80     public JFrame(String title)
  81     {
  82         super(title);
  83         frameInit();
  84     }
  85
  86
  87     /***************************************************
  88      *
  89      *
  90      *  methods, this part is shared with JDialog, JFrame
  91      *
  92      *
  93      *************/
  94
  95
  96     private boolean checking;
  97     protected  JRootPane         rootPane;
  98
  99
 100     protected  void frameInit()
 101     {
 102       super.setLayout(new BorderLayout(1, 1));
 103       getRootPane(); // will do set/create
 104     }
 105
 106   public Dimension getPreferredSize()
 107   {
 108     Dimension d = super.getPreferredSize();
 109     return d;
 110   }
 111
 112     JMenuBar getJMenuBar()
 113     {    return getRootPane().getJMenuBar();   }
 114
 115     void setJMenuBar(JMenuBar menubar)
 116     {    getRootPane().setJMenuBar(menubar); }
 117
 118
 119   public  void setLayout(LayoutManager manager)
 120   {    super.setLayout(manager);  }
 121
 122     void setLayeredPane(JLayeredPane layeredPane)
 123     {   getRootPane().setLayeredPane(layeredPane);   }
 124
 125     JLayeredPane getLayeredPane()
 126     {   return getRootPane().getLayeredPane();     }
 127
 128     JRootPane getRootPane()
 129     {
 130         if (rootPane == null)
 131             setRootPane(createRootPane());
 132         return rootPane;
 133     }
 134
 135     void setRootPane(JRootPane root)
 136     {
 137         if (rootPane != null)
 138             remove(rootPane);
 139
 140         rootPane = root;
 141         add(rootPane, BorderLayout.CENTER);
 142     }
 143
 144     JRootPane createRootPane()
 145     {   return new JRootPane();    }
 146
 147     Container getContentPane()
 148     {    return getRootPane().getContentPane();     }
 149
 150     void setContentPane(Container contentPane)
 151     {    getRootPane().setContentPane(contentPane);    }
 152
 153     Component getGlassPane()
 154     {    return getRootPane().getGlassPane();   }
 155
 156     void setGlassPane(Component glassPane)
 157     {   getRootPane().setGlassPane(glassPane);   }
 158
 159
 160     protected  void addImpl(Component comp, Object constraints, int index)
 161     {   super.addImpl(comp, constraints, index);    }
 162
 163
 164     public void remove(Component comp)
 165     {   getContentPane().remove(comp);  }
 166
 167     protected  boolean isRootPaneCheckingEnabled()
 168     {    return checking;        }
 169
 170
 171     protected  void setRootPaneCheckingEnabled(boolean enabled)
 172     { checking = enabled;  }
 173
 174
 175     public void update(Graphics g)
 176     {   paint(g);  }
 177
 178     protected  void processKeyEvent(KeyEvent e)
 179     {   super.processKeyEvent(e);    }
 180
 181     /////////////////////////////////////////////////////////////////////////////////
 182
 183   public AccessibleContext getAccessibleContext()
 184   {
 185     return accessibleContext;
 186   }
 187
 188     int getDefaultCloseOperation()
 189     {    return close_action;   }
 190
 191
 192
 193     protected  String paramString()
 194     {   return "JFrame";     }
 195
 196
 197     protected  void processWindowEvent(WindowEvent e)
 198     {
 199         //      System.out.println("PROCESS_WIN_EV-1: " + e);
 200         super.processWindowEvent(e);
 201         //      System.out.println("PROCESS_WIN_EV-2: " + e);
 202         switch (e.getID())
 203             {
 204             case WindowEvent.WINDOW_CLOSING:
 205                 {
 206                     switch(close_action)
 207                         {
 208                         case EXIT_ON_CLOSE:
 209                             {
 210                                 System.out.println("user requested exit on close");
 211                                 System.exit(1);
 212                                 break;
 213                             }
 214                         case DISPOSE_ON_CLOSE:
 215                             {
 216                                 System.out.println("user requested dispose on close");
 217                                 dispose();
 218                                 break;
 219                             }
 220                         case HIDE_ON_CLOSE:
 221                             {
 222                                 setVisible(false);
 223                                 break;
 224                             }
 225                         case DO_NOTHING_ON_CLOSE:
 226                             break;
 227                         }
 228                     break;
 229                 }
 230
 231             case WindowEvent.WINDOW_CLOSED:
 232             case WindowEvent.WINDOW_OPENED:
 233             case WindowEvent.WINDOW_ICONIFIED:
 234             case WindowEvent.WINDOW_DEICONIFIED:
 235             case WindowEvent.WINDOW_ACTIVATED:
 236             case WindowEvent.WINDOW_DEACTIVATED:
 237                 break;
 238             }
 239     }
 240
 241
 242     void setDefaultCloseOperation(int operation)
 243     {  close_action = operation;   }
 244
 245 }