/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#pragma once

#include "menuwindow.hxx"

#include <vcl/toolkit/button.hxx>

#include <vcl/menu.hxx>

#include <vcl/toolbox.hxx>

#include <vcl/window.hxx>

#include <map>

/** Toolbox that holds the close button (right hand side of the menubar).

This is also used by the online update check; when an update is available, it

inserts here the button that leads to the download of the update.

*/

class DecoToolBox : public ToolBox

{

    tools::Long lastSize;

    Size maMinSize;

public:

    explicit DecoToolBox(vcl::Window* pParent);

    void    DataChanged( const DataChangedEvent& rDCEvt ) override;

    void    SetImages( tools::Long nMaxHeight, bool bForce = false );

    void    calcMinSize();

    const Size& getMinSize() const { return maMinSize;}

    Image   maImage;

};

/** Class that implements the actual window of the menu bar.

*/

class MenuBarWindow : public vcl::Window, public MenuWindow

{

    friend class MenuBar;

    friend class Menu;

private:

    struct AddButtonEntry

    {

        Link<MenuBarButtonCallbackArg&,bool>  m_aSelectLink;

        Link<MenuBarButtonCallbackArg&,bool>  m_aHighlightLink;

    };

    VclPtr<MenuBar>        m_pMenu;

    VclPtr<PopupMenu>      m_pActivePopup;

    VclPtr<PopupMenu>      mpParentPopup;

    sal_uInt16      m_nHighlightedItem;

    sal_uInt16      m_nRolloveredItem;

    VclPtr<vcl::Window> m_xSaveFocusId;

    bool            mbAutoPopup;

    bool            m_bIgnoreFirstMove;

    bool            mbHideAccel;

    bool            mbMenuKey;

    VclPtr<DecoToolBox>  m_aCloseBtn;

    VclPtr<PushButton>   m_aFloatBtn;

    VclPtr<PushButton>   m_aHideBtn;

    std::map< sal_uInt16, AddButtonEntry > m_aAddButtons;

    void            HighlightItem(vcl::RenderContext& rRenderContext, sal_uInt16 nPos);

    void    ChangeHighlightItem(sal_uInt16 n, bool bSelectPopupEntry, bool bAllowRestoreFocus = true, bool bDefaultToDocument = true);

    sal_uInt16      ImplFindEntry( const Point& rMousePos ) const;

    void            ImplCreatePopup( bool bPreSelectFirst );

    bool    HandleKeyEvent(const KeyEvent& rKEvent, bool bFromMenu = true);

    tools::Rectangle       ImplGetItemRect( sal_uInt16 nPos ) const;

    void            ImplInitStyleSettings();

    virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;

    DECL_LINK( CloseHdl, ToolBox*, void );

    DECL_LINK( ToolboxEventHdl, VclWindowEvent&, void );

    DECL_LINK( ShowHideListener, VclWindowEvent&, void );

    void            StateChanged( StateChangedType nType ) override;

    void            DataChanged( const DataChangedEvent& rDCEvt ) override;

    void            LoseFocus() override;

    void            GetFocus() override;

public:

    explicit        MenuBarWindow( vcl::Window* pParent );

    virtual         ~MenuBarWindow() override;

    virtual void    dispose() override;

    void    ShowButtons(bool bClose, bool bFloat, bool bHide);

    virtual void    MouseMove( const MouseEvent& rMEvt ) override;

    virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;

    virtual void    MouseButtonUp( const MouseEvent& rMEvt ) override;

    virtual void    KeyInput( const KeyEvent& rKEvent ) override;

    virtual void    Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;

    virtual void    Resize() override;

    virtual void    RequestHelp( const HelpEvent& rHEvt ) override;

    void    SetMenu(MenuBar* pMenu);

    void    SetHeight(tools::Long nHeight);

    void    KillActivePopup();

    void    PopupClosed(Menu const * pMenu);

    sal_uInt16 GetHighlightedItem() const { return m_nHighlightedItem; }

    virtual rtl::Reference<comphelper::OAccessible> CreateAccessible() override;

    void    SetAutoPopup(bool bAuto) { mbAutoPopup = bAuto; }

    void    LayoutChanged();

    Size const & MinCloseButtonSize() const;

    /// Add an arbitrary button to the menubar that will appear next to the close button.

    sal_uInt16 AddMenuBarButton(const Image&, const Link<MenuBarButtonCallbackArg&,bool>&, const OUString&);

    void SetMenuBarButtonHighlightHdl(sal_uInt16 nId, const Link<MenuBarButtonCallbackArg&,bool>&);

    tools::Rectangle GetMenuBarButtonRectPixel(sal_uInt16 nId);

    void RemoveMenuBarButton(sal_uInt16 nId);

    bool HandleMenuButtonEvent(sal_uInt16 i_nButtonId);

    void SetMBWHideAccel(bool val) { mbHideAccel = val; }

    bool GetMBWHideAccel() const { return mbHideAccel; }

    void SetMBWMenuKey(bool val) { mbMenuKey = val; }

    bool GetMBWMenuKey() const { return mbMenuKey; }

    bool CanGetFocus() const;

};

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