Initial Checkin

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diff --git a/java/awt/MenuBar.java b/java/awt/MenuBar.java
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+/*************************************************************************
+/* MenuBar.java -- An AWT menu bar class
+/*
+/* Copyright (c) 1999 Free Software Foundation, Inc.
+/* Written by Aaron M. Renn (arenn@urbanophile.com)
+/*
+/* This library is free software; you can redistribute it and/or modify
+/* it under the terms of the GNU Library General Public License as published 
+/* by the Free Software Foundation, either version 2 of the License, or
+/* (at your option) any later verion.
+/*
+/* This library is distributed in the hope that it will be useful, but
+/* WITHOUT ANY WARRANTY; without even the implied warranty of
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+/* GNU Library General Public License for more details.
+/*
+/* You should have received a copy of the GNU Library General Public License
+/* along with this library; if not, write to the Free Software Foundation
+/* Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
+/*************************************************************************/
+
+package java.awt;
+
+import java.awt.peer.MenuBarPeer;
+import java.io.Serializable;
+import java.util.Enumeration;
+import java.util.Vector;
+
+/**
+  * This class implements a menu bar in the AWT system.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class MenuBar extends MenuComponent implements MenuContainer, Serializable
+{
+
+/*
+ * Static Variables
+ */
+
+// Serialization Constant
+private static final long serialVersionUID = -4930327919388951260L;
+
+/*************************************************************************/
+
+/*
+ * Instance Variables
+ */
+
+/**
+  * @serial The menu used for providing help information
+  */
+private Menu helpMenu;
+
+/**
+  * @serial The menus contained in this menu bar.
+  */
+private Vector menus = new Vector();
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * Initializes a new instance of <code>MenuBar</code>.
+  */
+public
+MenuBar()
+{
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * Returns the help menu for this menu bar.  This may be <code>null</code>.
+  *
+  * @return The help menu for this menu bar.
+  */
+public Menu
+getHelpMenu()
+{
+  return(helpMenu);
+}
+
+/*************************************************************************/
+
+/**
+  * Sets the help menu for this menu bar.
+  *
+  * @param helpMenu The new help menu for this menu bar.
+  */
+public synchronized void
+setHelpMenu(Menu helpMenu)
+{
+  // FIXME: Does this need to be added to the vector of items?
+  this.helpMenu = helpMenu;
+
+  MenuBarPeer mbp = (MenuBarPeer)getPeer();
+  if (mbp != null)
+    mbp.addHelpMenu(helpMenu);
+}
+
+/*************************************************************************/
+
+/**
+  * Adds the specified menu to this menu bar.
+  *
+  * @param menu The menu to add.
+  *
+  * @return The menu that was added.
+  */
+public synchronized Menu
+add(Menu menu)
+{
+  menus.addElement(menu);
+
+  MenuBarPeer mbp = (MenuBarPeer)getPeer();
+  if (mbp != null)
+    mbp.addMenu(menu);
+
+  return(menu);
+}
+
+/*************************************************************************/
+
+/**
+  * Removes the menu at the specified index.
+  *
+  * @param index The index of the menu to remove from the menu bar.
+  */
+public synchronized void
+remove(int index)
+{
+  menus.removeElementAt(index);
+
+  MenuBarPeer mbp = (MenuBarPeer)getPeer();
+  if (mbp != null)
+    mbp.delMenu(index);
+}
+
+/*************************************************************************/
+
+/**
+  * Removes the specified menu from the menu bar.
+  *
+  * @param menu The menu to remove from the menu bar.
+  */
+public void
+remove(MenuComponent menu)
+{
+  int index = menus.indexOf(menu);
+  if (index == -1)
+    return;
+
+  remove(index);
+}
+
+/*************************************************************************/
+
+/**
+  * Returns the number of elements in this menu bar.
+  *
+  * @return The number of elements in the menu bar.
+  */
+public int
+getMenuCount()
+{
+  // FIXME: How does the help menu fit in here?
+  return(menus.size());
+}
+
+/*************************************************************************/
+
+/**
+  * Returns the number of elements in this menu bar.
+  *
+  * @return The number of elements in the menu bar.
+  *
+  * @deprecated This method is deprecated in favor of <code>getMenuCount()</code>.
+  */
+public int
+countMenus()
+{
+  return(getMenuCount());
+}
+
+/*************************************************************************/
+
+/**
+  * Returns the menu at the specified index.
+  *
+  * @return The requested menu.
+  *
+  * @exception ArrayIndexOutOfBoundsException If the index is not valid.
+  */
+public Menu
+getMenu(int index)
+{
+  return((Menu)menus.elementAt(index));
+}
+
+/*************************************************************************/
+
+/**
+  * Creates this object's native peer.
+  */
+public void
+addNotify()
+{
+  if (getPeer() == null)
+    setPeer(getToolkit().createMenuBar(this));
+}
+
+/*************************************************************************/
+
+/**
+  * Destroys this object's native peer.
+  */
+public void
+removeNotify()
+{
+  super.removeNotify();
+}
+
+/*************************************************************************/
+
+/**
+  * Returns a list of all shortcuts for the menus in this menu bar.
+  *
+  * @return A list of all shortcuts for the menus in this menu bar.
+  */
+public synchronized Enumeration
+shortcuts()
+{
+  Vector shortcuts = new Vector();
+  Enumeration e = menus.elements();
+
+  while (e.hasMoreElements())
+    {
+      Menu menu = (Menu)e.nextElement();
+      if (menu.getShortcut() != null)
+        shortcuts.addElement(menu.getShortcut());
+    }
+
+  return(shortcuts.elements());
+}
+
+/*************************************************************************/
+
+/**
+  * Returns the menu item for the specified shortcut, or <code>null</code>
+  * if no such item exists.
+  *
+  * @param shortcut The shortcut to return the menu item for.
+  *
+  * @return The menu item for the specified shortcut.
+  */
+public MenuItem
+getShortcutMenuItem(MenuShortcut shortcut)
+{
+  Enumeration e = menus.elements();
+
+  while (e.hasMoreElements())
+    {
+      Menu menu = (Menu)e.nextElement();
+      MenuShortcut s = menu.getShortcut();
+      if ((s != null) && (s.equals(shortcut)))
+        return(menu);
+    }
+
+  return(null);
+}
+
+/*************************************************************************/
+
+/**
+  * Deletes the specified menu shortcut.
+  *
+  * @param shortcut The shortcut to delete.
+  */
+public void
+deleteShortcut(MenuShortcut shortcut)
+{
+  MenuItem mi = getShortcutMenuItem(shortcut);
+  if (mi != null)
+    mi.setShortcut(null);
+}
+
+} // class MenuBar
+