1 /*

     2  * Copyright 1995-1999 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 package sun.awt.motif;

    26 

    27 import java.awt.*;

    28 import java.awt.peer.*;

    29 

    30 public class MMenuPeer extends MMenuItemPeer implements MenuPeer {

    31     native void createMenu(MMenuBarPeer parent);

    32     native void createSubMenu(MMenuPeer parent);

    33 

    34     void create(MMenuPeer parent) {

    35         if (parent.nativeCreated) {

    36             createSubMenu(parent);

    37             nativeCreated = true;

    38         }

    39     }

    40 

    41     protected MMenuPeer() {

    42     }

    43 

    44     public MMenuPeer(Menu target) {

    45         this.target = target;

    46         MenuContainer parent = getParent_NoClientCode(target);

    47 

    48         if (parent instanceof MenuBar) {

    49             MMenuBarPeer mb = (MMenuBarPeer) MToolkit.targetToPeer(parent);

    50             createMenu(mb);

    51             nativeCreated = true;

    52         } else if (parent instanceof Menu) {

    53             MMenuPeer m = (MMenuPeer) MToolkit.targetToPeer(parent);

    54             create(m);

    55         } else {

    56             throw new IllegalArgumentException("unknown menu container class");

    57         }

    58     }

    59 

    60     public void addSeparator() {

    61     }

    62     public void addItem(MenuItem item) {

    63     }

    64     public void delItem(int index) {

    65     }

    66 

    67     void destroyNativeWidget() {

    68         // We do not need to synchronize this method because the caller

    69         // always holds the tree lock

    70 

    71         if (nativeCreated) {

    72             Menu menu = (Menu) target;

    73             int nitems = menu.getItemCount();

    74             for (int i = 0 ; i < nitems ; i++) {

    75                 MMenuItemPeer mipeer =

    76                     (MMenuItemPeer) MToolkit.targetToPeer(menu.getItem(i));

    77                 mipeer.destroyNativeWidget();

    78             }

    79             super.destroyNativeWidget();

    80         }

    81     }

    82     native void pDispose();

    83 }