/* -*- 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 .

 */

#include "menuwindow.hxx"

#include "menuitemlist.hxx"

#include <vcl/help.hxx>

#include <vcl/menu.hxx>

#include <vcl/settings.hxx>

#include <vcl/svapp.hxx>

#include <vcl/window.hxx>

static sal_uLong ImplChangeTipTimeout( sal_uLong nTimeout, vcl::Window *pWindow )

{

    AllSettings aAllSettings( pWindow->GetSettings() );

    HelpSettings aHelpSettings( aAllSettings.GetHelpSettings() );

    sal_uLong nRet = aHelpSettings.GetTipTimeout();

    aHelpSettings.SetTipTimeout( nTimeout );

    aAllSettings.SetHelpSettings( aHelpSettings );

    pWindow->GetOutDev()->SetSettings( aAllSettings );

    return nRet;

}

bool MenuWindow::ImplHandleHelpEvent(vcl::Window* pMenuWindow, Menu const * pMenu, sal_uInt16 nHighlightedItem,

        const HelpEvent& rHEvt, const tools::Rectangle &rHighlightRect)

{

    if( ! pMenu )

        return false;

    bool bDone = false;

    sal_uInt16 nId = 0;

    if ( nHighlightedItem != ITEMPOS_INVALID )

    {

        MenuItemData* pItemData = pMenu->GetItemList()->GetDataFromPos( nHighlightedItem );

        if ( pItemData )

            nId = pItemData->nId;

    }

    if ( ( rHEvt.GetMode() & HelpEventMode::BALLOON ) && pMenuWindow )

    {

        Point aPos;

        if( rHEvt.KeyboardActivated() )

            aPos = rHighlightRect.Center();

        else

            aPos = rHEvt.GetMousePosPixel();

        tools::Rectangle aRect( aPos, Size() );

        if (!pMenu->GetHelpText(nId).isEmpty())

            Help::ShowBalloon( pMenuWindow, aPos, aRect, pMenu->GetHelpText( nId ) );

        else

        {

            // give user a chance to read the full filename

            sal_uLong oldTimeout=ImplChangeTipTimeout( 60000, pMenuWindow );

            // call always, even when strlen==0 to correctly remove tip

            Help::ShowQuickHelp( pMenuWindow, aRect, pMenu->GetTipHelpText( nId ) );

            ImplChangeTipTimeout( oldTimeout, pMenuWindow );

        }

        bDone = true;

    }

    else if ( ( rHEvt.GetMode() &HelpEventMode::QUICK ) && pMenuWindow )

    {

        Point aPos = rHEvt.GetMousePosPixel();

        tools::Rectangle aRect( aPos, Size() );

        // give user a chance to read the full filename

        sal_uLong oldTimeout=ImplChangeTipTimeout( 60000, pMenuWindow );

        // call always, even when strlen==0 to correctly remove tip

        Help::ShowQuickHelp( pMenuWindow, aRect, pMenu->GetTipHelpText( nId ) );

        ImplChangeTipTimeout( oldTimeout, pMenuWindow );

        bDone = true;

    }

    else if ( rHEvt.GetMode() & HelpEventMode::CONTEXT )

    {

        // is help in the application selected

        Help* pHelp = Application::GetHelp();

        if ( pHelp )

        {

            // Check if there is a Help ID available, or else use

            // the command URL

            OUString aCommand = pMenu->GetItemCommand( nId );

            OUString aHelpId;

            // If no entry is selected, use the general menu Help ID

            if (nId <= 0)

                aHelpId = pMenu->GetHelpId();

            else

                aHelpId = pMenu->GetHelpId(nId);

            if( aHelpId.isEmpty() )

                aHelpId = OOO_HELP_INDEX;

            if ( !aHelpId.isEmpty() )

                pHelp->Start(aHelpId);

            else

                pHelp->Start(aCommand);

        }

        bDone = true;

    }

    return bDone;

}

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