jdk/src/solaris/classes/sun/awt/X11/XMenuPeer.java
author yan
Mon, 06 Oct 2008 16:45:00 +0400
changeset 1966 12a51fb0db0d
parent 2 90ce3da70b43
child 3938 ef327bd847c0
permissions -rw-r--r--
5100701: Toolkit.getLockingKeyState() does not work on XToolkit, but works on Motif Summary: Does not work on Motif but works on XToolkit now; implemented using XQueryPointer. Reviewed-by: anthony
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/*
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 * Copyright 2002-2007 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Sun designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Sun in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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package sun.awt.X11;
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import java.awt.*;
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import java.awt.peer.*;
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import java.lang.reflect.Field;
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import java.util.Vector;
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import java.util.logging.*;
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import sun.awt.SunToolkit;
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public class XMenuPeer extends XMenuItemPeer implements MenuPeer {
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    /************************************************
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     *
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     * Data members
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     *
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     ************************************************/
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    private static Logger log = Logger.getLogger("sun.awt.X11.XMenuPeer");
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    /**
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     * Window that correspond to this menu
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     */
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    XMenuWindow menuWindow;
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    /*
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     * Menu's fields & methods
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     */
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    private final static Field f_items;
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    static {
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        f_items = SunToolkit.getField(Menu.class, "items");
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    }
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    /************************************************
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     *
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     * Construction
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     *
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     ************************************************/
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    XMenuPeer(Menu target) {
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        super(target);
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    }
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    /**
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     * This function is called when menu is bound
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     * to its container window. Creates submenu window
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     * that fills its items vector while construction
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     */
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    void setContainer(XBaseMenuWindow container) {
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        super.setContainer(container);
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        menuWindow = new XMenuWindow(this);
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    }
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    /************************************************
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     *
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     * Implementaion of interface methods
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     *
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     ************************************************/
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    /*
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     * From MenuComponentPeer
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     */
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    /**
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     * Disposes menu window if needed
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     */
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    public void dispose() {
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        if (menuWindow != null) {
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            menuWindow.dispose();
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        }
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        super.dispose();
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    }
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    /**
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     * Resets text metrics for this item, for its menu window
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     * and for all descendant menu windows
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     */
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    public void setFont(Font font) {
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        //TODO:We can decrease count of repaints here
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        //and get rid of recursion
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        resetTextMetrics();
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        XMenuWindow menuWindow = getMenuWindow();
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        if (menuWindow != null) {
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            menuWindow.setItemsFont(font);
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        }
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        repaintIfShowing();
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    }
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    /*
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     * From MenuPeer
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     */
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    /**
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     * addSeparator routines are not used
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     * in peers. Shared code invokes addItem("-")
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     * for adding separators
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     */
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    public void addSeparator() {
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        if (log.isLoggable(Level.FINER)) log.finer("addSeparator is not implemented");
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    }
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    public void addItem(MenuItem item) {
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        XMenuWindow menuWindow = getMenuWindow();
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        if (menuWindow != null) {
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            menuWindow.addItem(item);
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        } else {
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            if (log.isLoggable(Level.FINE)) {
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                log.fine("Attempt to use XMenuWindowPeer without window");
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            }
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        }
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    }
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    public void delItem(int index) {
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        XMenuWindow menuWindow = getMenuWindow();
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        if (menuWindow != null) {
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            menuWindow.delItem(index);
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        } else {
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            if (log.isLoggable(Level.FINE)) {
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                log.fine("Attempt to use XMenuWindowPeer without window");
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            }
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        }
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    }
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    /************************************************
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     *
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     * Access to target's fields
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     *
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     ************************************************/
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    Vector getTargetItems() {
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        try {
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            return (Vector)f_items.get(getTarget());
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        } catch (IllegalAccessException iae) {
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            iae.printStackTrace();
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            return null;
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        }
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    }
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    /************************************************
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     *
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     * Overriden behaviour
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     *
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     ************************************************/
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    boolean isSeparator() {
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        return false;
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    }
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    //Fix for 6180416: Shortcut keys are displayed against Menus on XToolkit
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    //Menu should always return null as shortcutText
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    String getShortcutText() {
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        return null;
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    }
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    /************************************************
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     *
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     * Utility functions
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     *
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     ************************************************/
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    /**
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     * Returns menu window of this menu or null
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     * it this menu has no container and so its
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     * window can't be created.
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     */
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    XMenuWindow getMenuWindow() {
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        return menuWindow;
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    }
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}