/* -*- 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 <vcl/event.hxx>

#include <vcl/window.hxx>

#include <vcl/dockwin.hxx>

#include <vcl/layout.hxx>

#include <sal/log.hxx>

#include <window.h>

#include <svdata.hxx>

#include <salframe.hxx>

#include <config_features.h>

#include <comphelper/scopeguard.hxx>

#include "impldockingwrapper.hxx"

namespace vcl {

void Window::DataChanged( const DataChangedEvent& )

{

}

void Window::NotifyAllChildren( DataChangedEvent& rDCEvt )

{

    CompatDataChanged( rDCEvt );

    vcl::Window* pChild = mpWindowImpl->mpFirstChild;

    while ( pChild )

    {

        pChild->NotifyAllChildren( rDCEvt );

        pChild = pChild->mpWindowImpl->mpNext;

    }

}

bool Window::PreNotify( NotifyEvent& rNEvt )

{

    bool bDone = false;

    if ( mpWindowImpl->mpParent && !ImplIsOverlapWindow() )

        bDone = mpWindowImpl->mpParent->CompatPreNotify( rNEvt );

    if ( !bDone )

    {

        if( rNEvt.GetType() == NotifyEventType::GETFOCUS )

        {

            bool bCompoundFocusChanged = false;

            if ( mpWindowImpl->mbCompoundControl && !mpWindowImpl->mbCompoundControlHasFocus && HasChildPathFocus() )

            {

                mpWindowImpl->mbCompoundControlHasFocus = true;

                bCompoundFocusChanged = true;

            }

            if ( bCompoundFocusChanged || ( rNEvt.GetWindow() == this ) )

                CallEventListeners( VclEventId::WindowGetFocus );

        }

        else if( rNEvt.GetType() == NotifyEventType::LOSEFOCUS )

        {

            bool bCompoundFocusChanged = false;

            if ( mpWindowImpl->mbCompoundControl && mpWindowImpl->mbCompoundControlHasFocus && !HasChildPathFocus() )

            {

                mpWindowImpl->mbCompoundControlHasFocus = false ;

                bCompoundFocusChanged = true;

            }

            if ( bCompoundFocusChanged || ( rNEvt.GetWindow() == this ) )

                CallEventListeners( VclEventId::WindowLoseFocus );

        }

        // #82968# mouse and key events will be notified after processing ( in ImplNotifyKeyMouseCommandEventListeners() )!

        //    see also ImplHandleMouseEvent(), ImplHandleKey()

    }

    return bDone;

}

namespace

{

    bool parentNotDialogControl(Window* pWindow)

    {

        vcl::Window* pParent = getNonLayoutParent(pWindow);

        if (!pParent)

            return true;

        return ((pParent->GetStyle() & (WB_DIALOGCONTROL | WB_NODIALOGCONTROL)) != WB_DIALOGCONTROL);

    }

}

bool Window::EventNotify( NotifyEvent& rNEvt )

{

    bool bRet = false;

    if (isDisposed())

        return false;

    // check for docking window

    // but do nothing if window is docked and locked

    ImplDockingWindowWrapper *pWrapper = ImplGetDockingManager()->GetDockingWindowWrapper( this );

    if ((GetStyle() & WB_DOCKABLE) &&

            pWrapper && ( pWrapper->IsFloatingMode() || !pWrapper->IsLocked() ))

    {

        const bool bDockingSupportCrippled = !StyleSettings::GetDockingFloatsSupported();

        if ( rNEvt.GetType() == NotifyEventType::MOUSEBUTTONDOWN )

        {

            const MouseEvent* pMEvt = rNEvt.GetMouseEvent();

            bool bHit = pWrapper->GetDragArea().Contains( pMEvt->GetPosPixel() );

            if ( pMEvt->IsLeft() )

            {

                if (!bDockingSupportCrippled && pMEvt->IsMod1() && (pMEvt->GetClicks() == 2))

                {

                    // ctrl double click toggles floating mode

                    pWrapper->SetFloatingMode( !pWrapper->IsFloatingMode() );

                    return true;

                }

                else if ( pMEvt->GetClicks() == 1 && bHit)

                {

                    // allow start docking during mouse move

                    pWrapper->ImplEnableStartDocking();

                    return true;

                }

            }

        }

        else if ( rNEvt.GetType() == NotifyEventType::MOUSEMOVE )

        {

            const MouseEvent* pMEvt = rNEvt.GetMouseEvent();

            bool bHit = pWrapper->GetDragArea().Contains( pMEvt->GetPosPixel() );

            if ( pMEvt->IsLeft() )

            {

                // check if a single click initiated this sequence ( ImplStartDockingEnabled() )

                // check if window is docked and

                if( pWrapper->ImplStartDockingEnabled() && !pWrapper->IsFloatingMode() &&

                    !pWrapper->IsDocking() && bHit )

                {

                    Point   aPos = pMEvt->GetPosPixel();

                    vcl::Window* pWindow = rNEvt.GetWindow();

                    if ( pWindow != this )

                    {

                        aPos = pWindow->OutputToScreenPixel( aPos );

                        aPos = ScreenToOutputPixel( aPos );

                    }

                    pWrapper->ImplStartDocking( aPos );

                }

                return true;

            }

        }

        else if( rNEvt.GetType() == NotifyEventType::KEYINPUT )

        {

            const vcl::KeyCode& rKey = rNEvt.GetKeyEvent()->GetKeyCode();

            if (rKey.GetCode() == KEY_F10 && rKey.GetModifier() &&

                rKey.IsShift() && rKey.IsMod1() && !bDockingSupportCrippled)

            {

                pWrapper->SetFloatingMode( !pWrapper->IsFloatingMode() );

                /* At this point the floating toolbar frame does not have the

                 * input focus since these frames don't get the focus per default

                 * To enable keyboard handling of this toolbar set the input focus

                 * to the frame. This needs to be done with ToTop since GrabFocus

                 * would not notice any change since "this" already has the focus.

                 */

                if( pWrapper->IsFloatingMode() )

                    ToTop( ToTopFlags::GrabFocusOnly );

                return true;

            }

        }

    }

    // manage the dialogs

    if ( (GetStyle() & (WB_DIALOGCONTROL | WB_NODIALOGCONTROL)) == WB_DIALOGCONTROL )

    {

        // if the parent also has dialog control activated, the parent takes over control

        if ( (rNEvt.GetType() == NotifyEventType::KEYINPUT) || (rNEvt.GetType() == NotifyEventType::KEYUP) )

        {

            // ScGridWindow has WB_DIALOGCONTROL set, so pressing tab in ScCheckListMenuControl won't

            // get processed here by the toplevel DockingWindow of ScCheckListMenuControl by

            // just checking if parentNotDialogControl is true

            bool bTopLevelFloatingWindow = (pWrapper && pWrapper->IsFloatingMode());

            if (ImplIsOverlapWindow() || parentNotDialogControl(this) || bTopLevelFloatingWindow)

            {

                bRet = ImplDlgCtrl( *rNEvt.GetKeyEvent(), rNEvt.GetType() == NotifyEventType::KEYINPUT );

            }

        }

        else if ( (rNEvt.GetType() == NotifyEventType::GETFOCUS) || (rNEvt.GetType() == NotifyEventType::LOSEFOCUS) )

        {

            ImplDlgCtrlFocusChanged( rNEvt.GetWindow(), rNEvt.GetType() == NotifyEventType::GETFOCUS );

            if ( (rNEvt.GetWindow() == this) && (rNEvt.GetType() == NotifyEventType::GETFOCUS) &&

                 !(GetStyle() & WB_TABSTOP) && !(mpWindowImpl->mnDlgCtrlFlags & DialogControlFlags::WantFocus) )

            {

                vcl::Window* pFirstChild = ImplGetDlgWindow( 0, GetDlgWindowType::First );

                if ( pFirstChild )

                    pFirstChild->ImplControlFocus();

            }

        }

    }

    if ( !bRet )

    {

        if ( mpWindowImpl->mpParent && !ImplIsOverlapWindow() )

            bRet = mpWindowImpl->mpParent->CompatNotify( rNEvt );

    }

    return bRet;

}

void Window::CallEventListeners( VclEventId nEvent, void* pData )

{

    VclWindowEvent aEvent( this, nEvent, pData );

    VclPtr<vcl::Window> xWindow = this;

    Application::ImplCallEventListeners( aEvent );

    // if we have ObjectDying, then the bIsDisposed flag has already been set,

    // but we still need to let listeners know.

    const bool bIgnoreDisposed = nEvent == VclEventId::ObjectDying;

    if ( !bIgnoreDisposed && xWindow->isDisposed() )

        return;

    // If maEventListeners is empty, the XVCLWindow has not yet been initialized.

    // Calling GetComponentInterface will do that.

    if (mpWindowImpl->maEventListeners.empty() && pData)

        xWindow->GetComponentInterface();

    if (!mpWindowImpl->maEventListeners.empty())

    {

        // Copy the list, because this can be destroyed when calling a Link...

        std::vector<Link<VclWindowEvent&,void>> aCopy( mpWindowImpl->maEventListeners );

        // we use an iterating counter/flag and a set of deleted Link's to avoid O(n^2) behaviour

        mpWindowImpl->mnEventListenersIteratingCount++;

        auto& rWindowImpl = *mpWindowImpl;

        comphelper::ScopeGuard aGuard(

            [&rWindowImpl, &xWindow, &bIgnoreDisposed]()

            {

                if (bIgnoreDisposed || !xWindow->isDisposed())

                {

                    rWindowImpl.mnEventListenersIteratingCount--;

                    if (rWindowImpl.mnEventListenersIteratingCount == 0)

                        rWindowImpl.maEventListenersDeleted.clear();

                }

            }

        );

        for ( const Link<VclWindowEvent&,void>& rLink : aCopy )

        {

            if (!bIgnoreDisposed && xWindow->isDisposed()) break;

            // check this hasn't been removed in some re-enterancy scenario fdo#47368

            if( rWindowImpl.maEventListenersDeleted.find(rLink) == rWindowImpl.maEventListenersDeleted.end() )

                rLink.Call( aEvent );

        }

    }

    while ( xWindow )

    {

        if ( !bIgnoreDisposed && xWindow->isDisposed() )

            return;

        if (!xWindow->mpWindowImpl)

            break;

        auto& rWindowImpl = *xWindow->mpWindowImpl;

        if (!rWindowImpl.maChildEventListeners.empty())

        {

            // Copy the list, because this can be destroyed when calling a Link...

            std::vector<Link<VclWindowEvent&,void>> aCopy( rWindowImpl.maChildEventListeners );

            // we use an iterating counter/flag and a set of deleted Link's to avoid O(n^2) behaviour

            rWindowImpl.mnChildEventListenersIteratingCount++;

            comphelper::ScopeGuard aGuard(

                [&rWindowImpl, &xWindow, &bIgnoreDisposed]()

                {

                    if (bIgnoreDisposed || !xWindow->isDisposed())

                    {

                        rWindowImpl.mnChildEventListenersIteratingCount--;

                        if (rWindowImpl.mnChildEventListenersIteratingCount == 0)

                            rWindowImpl.maChildEventListenersDeleted.clear();

                    }

                }

            );

            for ( const Link<VclWindowEvent&,void>& rLink : aCopy )

            {

                if (!bIgnoreDisposed && xWindow->isDisposed())

                    return;

                // Check this hasn't been removed in some re-enterancy scenario fdo#47368.

                if( rWindowImpl.maChildEventListenersDeleted.find(rLink) == rWindowImpl.maChildEventListenersDeleted.end() )

                    rLink.Call( aEvent );

            }

        }

        if ( !bIgnoreDisposed && xWindow->isDisposed() )

            return;

        xWindow = xWindow->GetParent();

    }

}

void Window::AddEventListener( const Link<VclWindowEvent&,void>& rEventListener )

{

    mpWindowImpl->maEventListeners.push_back( rEventListener );

}

void Window::RemoveEventListener( const Link<VclWindowEvent&,void>& rEventListener )

{

    if (mpWindowImpl)

    {

        auto& rListeners = mpWindowImpl->maEventListeners;

        std::erase(rListeners, rEventListener);

        if (mpWindowImpl->mnEventListenersIteratingCount)

            mpWindowImpl->maEventListenersDeleted.insert(rEventListener);

    }

}

void Window::AddChildEventListener( const Link<VclWindowEvent&,void>& rEventListener )

{

    mpWindowImpl->maChildEventListeners.push_back( rEventListener );

}

void Window::RemoveChildEventListener( const Link<VclWindowEvent&,void>& rEventListener )

{

    if (mpWindowImpl)

    {

        auto& rListeners = mpWindowImpl->maChildEventListeners;

        std::erase(rListeners, rEventListener);

        if (mpWindowImpl->mnChildEventListenersIteratingCount)

            mpWindowImpl->maChildEventListenersDeleted.insert(rEventListener);

    }

}

ImplSVEvent * Window::PostUserEvent( const Link<void*,void>& rLink, void* pCaller, bool bReferenceLink )

{

    std::unique_ptr<ImplSVEvent> pSVEvent(new ImplSVEvent);

    pSVEvent->mpData    = pCaller;

    pSVEvent->maLink    = rLink;

    pSVEvent->mpWindow  = this;

    pSVEvent->mbCall    = true;

    if (bReferenceLink)

    {

        pSVEvent->mpInstanceRef = static_cast<vcl::Window *>(rLink.GetInstance());

    }

    auto pTmpEvent = pSVEvent.get();

    if (!mpWindowImpl->mpFrame->PostEvent( std::move(pSVEvent) ))

        return nullptr;

    return pTmpEvent;

}

void Window::RemoveUserEvent( ImplSVEvent * nUserEvent )

{

    SAL_WARN_IF( nUserEvent->mpWindow.get() != this, "vcl",

                "Window::RemoveUserEvent(): Event doesn't send to this window or is already removed" );

    SAL_WARN_IF( !nUserEvent->mbCall, "vcl",

                "Window::RemoveUserEvent(): Event is already removed" );

    if ( nUserEvent->mpWindow )

    {

        nUserEvent->mpWindow = nullptr;

    }

    nUserEvent->mbCall = false;

}

static MouseEvent ImplTranslateMouseEvent( const MouseEvent& rE, vcl::Window const * pSource, vcl::Window const * pDest )

{

    // the mouse event occurred in a different window, we need to translate the coordinates of

    // the mouse cursor within that (source) window to the coordinates the mouse cursor would

    // be in the destination window

    Point aPos = pSource->OutputToScreenPixel( rE.GetPosPixel() );

    return MouseEvent( pDest->ScreenToOutputPixel( aPos ), rE.GetClicks(), rE.GetMode(), rE.GetButtons(), rE.GetModifier() );

}

void Window::ImplNotifyKeyMouseCommandEventListeners( NotifyEvent& rNEvt )

{

    if( rNEvt.GetType() == NotifyEventType::COMMAND )

    {

        const CommandEvent* pCEvt = rNEvt.GetCommandEvent();

        if ( pCEvt->GetCommand() != CommandEventId::ContextMenu )

            // non context menu events are not to be notified up the chain

            // so we return immediately

            return;

        if ( mpWindowImpl->mbCompoundControl || ( rNEvt.GetWindow() == this ) )

        {

            // not interested: The event listeners are already called in ::Command,

            // and calling them here a second time doesn't make sense

            if ( rNEvt.GetWindow() != this )

            {

                CommandEvent aCommandEvent;

                if ( !pCEvt->IsMouseEvent() )

                {

                    aCommandEvent = *pCEvt;

                }

                else

                {

                    // the mouse event occurred in a different window, we need to translate the coordinates of

                    // the mouse cursor within that window to the coordinates the mouse cursor would be in the

                    // current window

                    vcl::Window* pSource = rNEvt.GetWindow();

                    Point aPos = pSource->OutputToScreenPixel( pCEvt->GetMousePosPixel() );

                    aCommandEvent = CommandEvent( ScreenToOutputPixel( aPos ), pCEvt->GetCommand(), pCEvt->IsMouseEvent(), pCEvt->GetEventData() );

                }

                CallEventListeners( VclEventId::WindowCommand, &aCommandEvent );

            }

        }

    }

    // #82968# notify event listeners for mouse and key events separately and

    // not in PreNotify ( as for focus listeners )

    // this allows for processing those events internally first and pass it to

    // the toolkit later

    VclPtr<vcl::Window> xWindow = this;

    if( rNEvt.GetType() == NotifyEventType::MOUSEMOVE )

    {

        if ( mpWindowImpl->mbCompoundControl || ( rNEvt.GetWindow() == this ) )

        {

            if ( rNEvt.GetWindow() == this )

                CallEventListeners( VclEventId::WindowMouseMove, const_cast<MouseEvent *>(rNEvt.GetMouseEvent()) );

            else

            {

                MouseEvent aMouseEvent = ImplTranslateMouseEvent( *rNEvt.GetMouseEvent(), rNEvt.GetWindow(), this );

                CallEventListeners( VclEventId::WindowMouseMove, &aMouseEvent );

            }

        }

    }

    else if( rNEvt.GetType() == NotifyEventType::MOUSEBUTTONUP )

    {

        if ( mpWindowImpl->mbCompoundControl || ( rNEvt.GetWindow() == this ) )

        {

            if ( rNEvt.GetWindow() == this )

                CallEventListeners( VclEventId::WindowMouseButtonUp, const_cast<MouseEvent *>(rNEvt.GetMouseEvent()) );

            else

            {

                MouseEvent aMouseEvent = ImplTranslateMouseEvent( *rNEvt.GetMouseEvent(), rNEvt.GetWindow(), this );

                CallEventListeners( VclEventId::WindowMouseButtonUp, &aMouseEvent );

            }

        }

    }

    else if( rNEvt.GetType() == NotifyEventType::MOUSEBUTTONDOWN )

    {

        if ( mpWindowImpl->mbCompoundControl || ( rNEvt.GetWindow() == this ) )

        {

            if ( rNEvt.GetWindow() == this )

                CallEventListeners( VclEventId::WindowMouseButtonDown, const_cast<MouseEvent *>(rNEvt.GetMouseEvent()) );

            else

            {

                MouseEvent aMouseEvent = ImplTranslateMouseEvent( *rNEvt.GetMouseEvent(), rNEvt.GetWindow(), this );

                CallEventListeners( VclEventId::WindowMouseButtonDown, &aMouseEvent );

            }

        }

    }

    else if( rNEvt.GetType() == NotifyEventType::KEYINPUT )

    {

        if ( mpWindowImpl->mbCompoundControl || ( rNEvt.GetWindow() == this ) )

            CallEventListeners( VclEventId::WindowKeyInput, const_cast<KeyEvent *>(rNEvt.GetKeyEvent()) );

    }

    else if( rNEvt.GetType() == NotifyEventType::KEYUP )

    {

        if ( mpWindowImpl->mbCompoundControl || ( rNEvt.GetWindow() == this ) )

            CallEventListeners( VclEventId::WindowKeyUp, const_cast<KeyEvent *>(rNEvt.GetKeyEvent()) );

    }

    if ( xWindow->isDisposed() )

        return;

    // #106721# check if we're part of a compound control and notify

    vcl::Window *pParent = ImplGetParent();

    while( pParent )

    {

        if( pParent->IsCompoundControl() )

        {

            pParent->ImplNotifyKeyMouseCommandEventListeners( rNEvt );

            break;

        }

        pParent = pParent->ImplGetParent();

    }

}

void Window::ImplCallInitShow()

{

    mpWindowImpl->mbReallyShown   = true;

    mpWindowImpl->mbInInitShow    = true;

    CompatStateChanged( StateChangedType::InitShow );

    mpWindowImpl->mbInInitShow    = false;

    vcl::Window* pWindow = mpWindowImpl->mpFirstOverlap;

    while ( pWindow )

    {

        if ( pWindow->mpWindowImpl->mbVisible )

            pWindow->ImplCallInitShow();

        pWindow = pWindow->mpWindowImpl->mpNext;

    }

    pWindow = mpWindowImpl->mpFirstChild;

    while ( pWindow )

    {

        if ( pWindow->mpWindowImpl->mbVisible )

            pWindow->ImplCallInitShow();

        pWindow = pWindow->mpWindowImpl->mpNext;

    }

}

void Window::ImplCallResize()

{

    mpWindowImpl->mbCallResize = false;

    // Normally we avoid blanking on re-size unless people might notice:

    if( GetBackground().IsGradient() )

        Invalidate();

    Resize();

    // #88419# Most classes don't call the base class in Resize() and Move(),

    // => Call ImpleResize/Move instead of Resize/Move directly...

    CallEventListeners( VclEventId::WindowResize );

}

void Window::ImplCallMove()

{

    mpWindowImpl->mbCallMove = false;

    if( mpWindowImpl->mbFrame )

    {

        // update frame position

        SalFrame *pParentFrame = nullptr;

        vcl::Window *pParent = ImplGetParent();

        while( pParent )

        {

            if( pParent->mpWindowImpl &&

                pParent->mpWindowImpl->mpFrame != mpWindowImpl->mpFrame )

            {

                pParentFrame = pParent->mpWindowImpl->mpFrame;

                break;

            }

            pParent = pParent->GetParent();

        }

        SalFrameGeometry g = mpWindowImpl->mpFrame->GetGeometry();

        mpWindowImpl->maPos = Point(g.x(), g.y());

        if( pParentFrame )

        {

            g = pParentFrame->GetGeometry();

            mpWindowImpl->maPos -= Point(g.x(), g.y());

        }

        // the client window and all its subclients have the same position as the borderframe

        // this is important for floating toolbars where the borderwindow is a floating window

        // which has another borderwindow (ie the system floating window)

        vcl::Window *pClientWin = mpWindowImpl->mpClientWindow;

        while( pClientWin )

        {

            pClientWin->mpWindowImpl->maPos = mpWindowImpl->maPos;

            pClientWin = pClientWin->mpWindowImpl->mpClientWindow;

        }

    }

    Move();

    CallEventListeners( VclEventId::WindowMove );

}

void Window::ImplCallFocusChangeActivate( vcl::Window* pNewOverlapWindow,

                                          vcl::Window* pOldOverlapWindow )

{

    ImplSVData* pSVData = ImplGetSVData();

    vcl::Window*     pNewRealWindow;

    vcl::Window*     pOldRealWindow;

    bool bCallActivate = true;

    bool bCallDeactivate = true;

    if (!pOldOverlapWindow)

    {

        return;

    }

    pOldRealWindow = pOldOverlapWindow->ImplGetWindow();

    if (!pNewOverlapWindow)

    {

        return;

    }

    pNewRealWindow = pNewOverlapWindow->ImplGetWindow();

    if ( (pOldRealWindow->GetType() != WindowType::FLOATINGWINDOW) ||

         pOldRealWindow->GetActivateMode() != ActivateModeFlags::NONE )

    {

        if ( (pNewRealWindow->GetType() == WindowType::FLOATINGWINDOW) &&

             pNewRealWindow->GetActivateMode() == ActivateModeFlags::NONE)

        {

            pSVData->mpWinData->mpLastDeacWin = pOldOverlapWindow;

            bCallDeactivate = false;

        }

    }

    else if ( (pNewRealWindow->GetType() != WindowType::FLOATINGWINDOW) ||

              pNewRealWindow->GetActivateMode() != ActivateModeFlags::NONE )

    {

        if (pSVData->mpWinData->mpLastDeacWin)

        {

            if (pSVData->mpWinData->mpLastDeacWin.get() == pNewOverlapWindow)

                bCallActivate = false;

            else

            {

                vcl::Window* pLastRealWindow = pSVData->mpWinData->mpLastDeacWin->ImplGetWindow();

                pSVData->mpWinData->mpLastDeacWin->mpWindowImpl->mbActive = false;

                pSVData->mpWinData->mpLastDeacWin->Deactivate();

                if (pLastRealWindow != pSVData->mpWinData->mpLastDeacWin.get())

                {

                    pLastRealWindow->mpWindowImpl->mbActive = true;

                    pLastRealWindow->Activate();

                }

            }

            pSVData->mpWinData->mpLastDeacWin = nullptr;

        }

    }

    if ( bCallDeactivate )

    {

        if( pOldOverlapWindow->mpWindowImpl->mbActive )

        {

            pOldOverlapWindow->mpWindowImpl->mbActive = false;

            pOldOverlapWindow->Deactivate();

        }

        if ( pOldRealWindow != pOldOverlapWindow )

        {

            if( pOldRealWindow->mpWindowImpl->mbActive )

            {

                pOldRealWindow->mpWindowImpl->mbActive = false;

                pOldRealWindow->Deactivate();

            }

        }

    }

    if ( !bCallActivate || pNewOverlapWindow->mpWindowImpl->mbActive )

        return;

    pNewOverlapWindow->mpWindowImpl->mbActive = true;

    pNewOverlapWindow->Activate();

    if ( pNewRealWindow != pNewOverlapWindow )

    {

        if( ! pNewRealWindow->mpWindowImpl->mbActive )

        {

            pNewRealWindow->mpWindowImpl->mbActive = true;

            pNewRealWindow->Activate();

        }

    }

}

} /* namespace vcl */

NotifyEvent::NotifyEvent( NotifyEventType nEventType, vcl::Window* pWindow,

                          const void* pEvent )

{

    mpWindow    = pWindow;

    mpData      = const_cast<void*>(pEvent);

    mnEventType  = nEventType;

}

NotifyEvent::~NotifyEvent() = default;

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */