jdk/src/java.desktop/windows/native/libawt/windows/awt_Menu.h

/*
 * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
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 */

#ifndef AWT_MENU_H
#define AWT_MENU_H

#include "awt_MenuItem.h"

#include <java_awt_MenuItem.h>
#include <sun_awt_windows_WMenuItemPeer.h>
#include <java_awt_Menu.h>
#include <sun_awt_windows_WMenuPeer.h>

class AwtMenuBar;


/************************************************************************
 * AwtMenu class
 */

class AwtMenu : public AwtMenuItem {
public:
    /* method ids for java.awt.Menu */
    static jmethodID countItemsMID;
    static jmethodID getItemMID;

    AwtMenu();
    virtual ~AwtMenu();

    virtual void Dispose();

    virtual LPCTSTR GetClassName();

    /* Create a new AwtMenu.  This must be run on the main thread. */
    static AwtMenu* Create(jobject self, jobject parent);

    INLINE HMENU GetHMenu() { return m_hMenu; }
    INLINE void SetHMenu(HMENU hMenu) {
        m_hMenu = hMenu;
        SetID(static_cast<UINT>(reinterpret_cast<INT_PTR>(GetHMenu())));
    }

    virtual AwtMenuBar* GetMenuBar();

    void AddSeparator();
    virtual void UpdateContainerLayout();
    void UpdateLayout();
    virtual void AddItem(AwtMenuItem *item);
    virtual void DeleteItem(UINT index);

    virtual HWND GetOwnerHWnd();

    /*for multifont menu */
    BOOL IsTopMenu();
    virtual AwtMenuItem* GetItem(jobject target, long index);

    virtual int CountItem(jobject target);

    virtual void SendDrawItem(AwtMenuItem* awtMenuItem,
                              DRAWITEMSTRUCT& drawInfo);
    virtual void SendMeasureItem(AwtMenuItem* awtMenuItem, HDC hDC,
                                 MEASUREITEMSTRUCT& measureInfo);
    void DrawItem(DRAWITEMSTRUCT& drawInfo);
    void DrawItems(DRAWITEMSTRUCT& drawInfo);
    void MeasureItem(HDC hDC, MEASUREITEMSTRUCT& measureInfo);
    void MeasureItems(HDC hDC, MEASUREITEMSTRUCT& measureInfo);

    // invoked on Toolkit thread
    static void _AddSeparator(void *param);
    static void _DelItem(void *param);
    static void _CreateMenu(void *param);
    static void _CreateSubMenu(void *param);
    virtual BOOL IsSeparator() { return FALSE; }

protected:
    virtual void RemoveCmdID() { /* do nothing */ }

private:
    void UpdateLayout(const HMENU hmenu);
    HMENU    m_hMenu;
};

#endif /* AWT_MENU_H */