vcl/source/app/vclevent.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <vcl/vclevent.hxx>
  21 #include <vcl/window.hxx>
  22 #include <vcl/menu.hxx>
  23
  24 #include <vcleventlisteners.hxx>
  25
  26 void VclEventListeners::Call( VclSimpleEvent& rEvent ) const
  27 {
  28     if ( m_aListeners.empty() )
  29         return;
  30
  31     // Copy the list, because this can be destroyed when calling a Link...
  32     std::vector<Link<VclSimpleEvent&,void>> aCopy( m_aListeners );
  33     std::vector<Link<VclSimpleEvent&,void>>::iterator aIter( aCopy.begin() );
  34     std::vector<Link<VclSimpleEvent&,void>>::const_iterator aEnd( aCopy.end() );
  35     if (VclWindowEvent* pWindowEvent = dynamic_cast<VclWindowEvent*>(&rEvent))
  36     {
  37         VclPtr<vcl::Window> xWin(pWindowEvent->GetWindow());
  38         while ( aIter != aEnd && (!xWin || !xWin->IsDisposed()) )
  39         {
  40             Link<VclSimpleEvent&,void> &rLink = *aIter;
  41             // check this hasn't been removed in some re-enterancy scenario fdo#47368
  42             if( std::find(m_aListeners.begin(), m_aListeners.end(), rLink) != m_aListeners.end() )
  43                 rLink.Call( rEvent );
  44             ++aIter;
  45         }
  46     }
  47     else
  48     {
  49         while ( aIter != aEnd )
  50         {
  51             Link<VclSimpleEvent&,void> &rLink = *aIter;
  52             if( std::find(m_aListeners.begin(), m_aListeners.end(), rLink) != m_aListeners.end() )
  53                 rLink.Call( rEvent );
  54             ++aIter;
  55         }
  56     }
  57 }
  58
  59 void VclEventListeners::addListener( const Link<VclSimpleEvent&,void>& rListener )
  60 {
  61     m_aListeners.push_back( rListener );
  62 }
  63
  64 void VclEventListeners::removeListener( const Link<VclSimpleEvent&,void>& rListener )
  65 {
  66     m_aListeners.erase( std::remove(m_aListeners.begin(), m_aListeners.end(), rListener ), m_aListeners.end() );
  67 }
  68
  69 VclWindowEvent::VclWindowEvent( vcl::Window* pWin, VclEventId n, void* pDat ) : VclSimpleEvent(n)
  70 {
  71     pWindow = pWin; pData = pDat;
  72 }
  73
  74 VclWindowEvent::~VclWindowEvent() {}
  75
  76 VclMenuEvent::VclMenuEvent( Menu* pM, VclEventId n, sal_uInt16 nPos )
  77     : VclSimpleEvent(n), pMenu(pM), mnPos(nPos)
  78 {}
  79
  80 VclMenuEvent::~VclMenuEvent()
  81 {}
  82
  83 Menu* VclMenuEvent::GetMenu() const
  84 {
  85     return pMenu;
  86 }
  87
  88
  89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */