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469 lines
11 KiB
Java
469 lines
11 KiB
Java
/* Frame.java -- AWT toplevel window
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Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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import java.awt.peer.FramePeer;
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import java.awt.peer.WindowPeer;
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import java.awt.peer.ContainerPeer;
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import java.awt.peer.ComponentPeer;
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import java.io.Serializable;
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import java.util.Enumeration;
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import java.util.Vector;
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/**
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* This class is a top-level window with a title bar and window
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* decorations.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class Frame extends Window implements MenuContainer, Serializable
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{
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/*
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* Static Variables
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*/
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/**
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* Constant for a cross-hair cursor.
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* @deprecated Use <code>Cursor.CROSSHAIR_CURSOR</code> instead.
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*/
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public static final int CROSSHAIR_CURSOR = Cursor.CROSSHAIR_CURSOR;
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/**
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* Constant for a cursor over a text field.
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* @deprecated Use <code>Cursor.TEXT_CURSOR</code> instead.
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*/
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public static final int TEXT_CURSOR = Cursor.TEXT_CURSOR;
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/**
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* Constant for a cursor to display while waiting for an action to complete.
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* @deprecated Use <code>Cursor.WAIT_CURSOR</code>.
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*/
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public static final int WAIT_CURSOR = Cursor.WAIT_CURSOR;
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/**
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* Cursor used over SW corner of window decorations.
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* @deprecated Use <code>Cursor.SW_RESIZE_CURSOR</code> instead.
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*/
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public static final int SW_RESIZE_CURSOR = Cursor.SW_RESIZE_CURSOR;
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/**
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* Cursor used over SE corner of window decorations.
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* @deprecated Use <code>Cursor.SE_RESIZE_CURSOR</code> instead.
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*/
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public static final int SE_RESIZE_CURSOR = Cursor.SE_RESIZE_CURSOR;
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/**
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* Cursor used over NW corner of window decorations.
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* @deprecated Use <code>Cursor.NW_RESIZE_CURSOR</code> instead.
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*/
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public static final int NW_RESIZE_CURSOR = Cursor.NW_RESIZE_CURSOR;
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/**
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* Cursor used over NE corner of window decorations.
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* @deprecated Use <code>Cursor.NE_RESIZE_CURSOR</code> instead.
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*/
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public static final int NE_RESIZE_CURSOR = Cursor.NE_RESIZE_CURSOR;
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/**
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* Cursor used over N edge of window decorations.
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* @deprecated Use <code>Cursor.N_RESIZE_CURSOR</code> instead.
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*/
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public static final int N_RESIZE_CURSOR = Cursor.N_RESIZE_CURSOR;
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/**
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* Cursor used over S edge of window decorations.
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* @deprecated Use <code>Cursor.S_RESIZE_CURSOR</code> instead.
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*/
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public static final int S_RESIZE_CURSOR = Cursor.S_RESIZE_CURSOR;
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/**
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* Cursor used over E edge of window decorations.
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* @deprecated Use <code>Cursor.E_RESIZE_CURSOR</code> instead.
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*/
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public static final int E_RESIZE_CURSOR = Cursor.E_RESIZE_CURSOR;
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/**
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* Cursor used over W edge of window decorations.
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* @deprecated Use <code>Cursor.W_RESIZE_CURSOR</code> instead.
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*/
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public static final int W_RESIZE_CURSOR = Cursor.W_RESIZE_CURSOR;
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/**
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* Constant for a hand cursor.
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* @deprecated Use <code>Cursor.HAND_CURSOR</code> instead.
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*/
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public static final int HAND_CURSOR = Cursor.HAND_CURSOR;
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/**
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* Constant for a cursor used during window move operations.
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* @deprecated Use <code>Cursor.MOVE_CURSOR</code> instead.
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*/
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public static final int MOVE_CURSOR = Cursor.MOVE_CURSOR;
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// Serialization version constant
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private static final long serialVersionUID = 2673458971256075116L;
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/*************************************************************************/
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/*
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* Instance Variables
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*/
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/**
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* @serial The version of the class data being serialized
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* // FIXME: what is this value?
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*/
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private int frameSerializedDataVersion;
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/**
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* @serial Image used as the icon when this frame is minimized.
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*/
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private Image icon;
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/**
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* @serial Constant used by the JDK Motif peer set. Not used in
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* this implementation.
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*/
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private boolean mbManagement;
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/**
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* @serial The menu bar for this frame.
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*/
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//private MenuBar menuBar = new MenuBar();
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private MenuBar menuBar;
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/**
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* @serial A list of other top-level windows owned by this window.
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*/
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Vector ownedWindows = new Vector();
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/**
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* @serial Indicates whether or not this frame is resizable.
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*/
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private boolean resizable = true;
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/**
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* @serial The state of this frame.
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* // FIXME: What are the values here?
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*/
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private int state;
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/**
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* @serial The title of the frame.
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*/
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private String title = "";
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/*************************************************************************/
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/*
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* Constructors
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*/
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/**
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* Initializes a new instance of <code>Frame</code> that is not visible
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* and has no title.
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*/
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public
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Frame()
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{
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this("");
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}
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/*************************************************************************/
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/**
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* Initializes a new instance of <code>Frame</code> that is not visible
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* and has the specified title.
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*
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* @param title The title of this frame.
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*/
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public
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Frame(String title)
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{
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super();
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this.title = title;
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}
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public
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Frame(GraphicsConfiguration gc)
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{
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super(gc);
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}
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public
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Frame(String title, GraphicsConfiguration gc)
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{
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super(gc);
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setTitle(title);
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}
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/*************************************************************************/
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/*
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* Instance Methods
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*/
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/**
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* Returns this frame's title string.
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*
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* @return This frame's title string.
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*/
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public String
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getTitle()
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{
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return(title);
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}
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/*************************************************************************/
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/*
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* Sets this frame's title to the specified value.
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*
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* @param title The new frame title.
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*/
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public synchronized void
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setTitle(String title)
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{
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this.title = title;
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if (peer != null)
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((FramePeer) peer).setTitle(title);
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}
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/*************************************************************************/
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/**
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* Returns this frame's icon.
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*
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* @return This frame's icon, or <code>null</code> if this frame does not
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* have an icon.
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*/
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public Image
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getIconImage()
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{
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return(icon);
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}
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/*************************************************************************/
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/**
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* Sets this frame's icon to the specified value.
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*
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* @icon The new icon for this frame.
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*/
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public synchronized void
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setIconImage(Image icon)
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{
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this.icon = icon;
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if (peer != null)
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((FramePeer) peer).setIconImage(icon);
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}
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/*************************************************************************/
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/**
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* Returns this frame's menu bar.
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*
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* @return This frame's menu bar, or <code>null</code> if this frame
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* does not have a menu bar.
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*/
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public MenuBar
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getMenuBar()
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{
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return(menuBar);
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}
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/*************************************************************************/
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/**
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* Sets this frame's menu bar.
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*
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* @param menuBar The new menu bar for this frame.
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*/
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public synchronized void
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setMenuBar(MenuBar menuBar)
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{
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this.menuBar = menuBar;
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if (peer != null)
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((FramePeer) peer).setMenuBar(menuBar);
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}
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/*************************************************************************/
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/**
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* Tests whether or not this frame is resizable. This will be
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* <code>true</code> by default.
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*
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* @return <code>true</code> if this frame is resizable, <code>false</code>
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* otherwise.
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*/
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public boolean
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isResizable()
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{
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return(resizable);
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}
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/*************************************************************************/
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/**
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* Sets the resizability of this frame to the specified value.
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*
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* @param resizable <code>true</code> to make the frame resizable,
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* <code>false</code> to make it non-resizable.
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*/
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public synchronized void
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setResizable(boolean resizable)
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{
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this.resizable = resizable;
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if (peer != null)
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((FramePeer) peer).setResizable(resizable);
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}
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/*************************************************************************/
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/**
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* Returns the cursor type of the cursor for this window. This will
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* be one of the constants in this class.
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*
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* @return The cursor type for this frame.
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*
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* @deprecated Use <code>Component.getCursor()</code> instead.
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*/
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public int
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getCursorType()
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{
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return(getCursor().getType());
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}
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/*************************************************************************/
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/**
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* Sets the cursor for this window to the specified type. The specified
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* type should be one of the constants in this class.
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*
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* @param type The cursor type.
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*
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* @deprecated. Use <code>Component.setCursor(Cursor)</code> instead.
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*/
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public void
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setCursor(int type)
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{
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setCursor(new Cursor(type));
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}
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/*************************************************************************/
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/**
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* Removes the specified component from this frame's menu.
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*
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* @param menu The menu component to remove.
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*/
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public void
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remove(MenuComponent menu)
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{
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menuBar.remove(menu);
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}
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/*************************************************************************/
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/**
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* Notifies this frame that it should create its native peer.
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*/
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public void
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addNotify()
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{
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if (peer == null)
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peer = getToolkit ().createFrame (this);
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super.addNotify();
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}
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/*************************************************************************/
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/**
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* Destroys any resources associated with this frame. This includes
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* all components in the frame and all owned toplevel windows.
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*/
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public void
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dispose()
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{
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Enumeration e = ownedWindows.elements();
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while(e.hasMoreElements())
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{
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Window w = (Window)e.nextElement();
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w.dispose();
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}
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super.dispose();
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}
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/*************************************************************************/
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/**
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* Returns a debugging string describing this window.
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*
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* @return A debugging string describing this window.
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*/
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protected String
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paramString()
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{
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return(getClass().getName());
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}
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public int
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getState()
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{
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/* FIXME: State might have changed in the peer... Must check. */
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return state;
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}
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public static Frame[]
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getFrames()
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{
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//Frame[] array = new Frames[frames.size()];
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//return frames.toArray(array);
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// see finalize() comment
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String msg = "FIXME: can't be implemented without weak references";
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throw new UnsupportedOperationException(msg);
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}
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} // class Frame
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