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+/*************************************************************************
+ *
+ * $RCSfile: ddectrl.cxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 16:12:11 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _ERRCODE_HXX //autogen
+#include <tools/errcode.hxx>
+#endif
+#ifndef _SVDDE_HXX //autogen
+#include <svtools/svdde.hxx>
+#endif
+#pragma hdrstop
+#include "ddectrl.hxx"
+#ifndef _SBERRORS_HXX
+#include <sberrors.hxx>
+#endif
+
+//#include "segmentc.hxx"
+#pragma SW_SEGMENT_CLASS( SBRUNTIME, SBRUNTIME_CODE )
+
+#define DDE_FREECHANNEL ((DdeConnection*)0xffffffff)
+
+#define DDE_FIRSTERR 0x4000
+#define DDE_LASTERR 0x4011
+
+static const SbError nDdeErrMap[] =
+{
+ /* DMLERR_ADVACKTIMEOUT */ 0x4000, SbERR_DDE_TIMEOUT,
+ /* DMLERR_BUSY */ 0x4001, SbERR_DDE_BUSY,
+ /* DMLERR_DATAACKTIMEOUT */ 0x4002, SbERR_DDE_TIMEOUT,
+ /* DMLERR_DLL_NOT_INITIALIZED */ 0x4003, SbERR_DDE_ERROR,
+ /* DMLERR_DLL_USAGE */ 0x4004, SbERR_DDE_ERROR,
+ /* DMLERR_EXECACKTIMEOUT */ 0x4005, SbERR_DDE_TIMEOUT,
+ /* DMLERR_INVALIDPARAMETER */ 0x4006, SbERR_DDE_ERROR,
+ /* DMLERR_LOW_MEMORY */ 0x4007, SbERR_DDE_ERROR,
+ /* DMLERR_MEMORY_ERROR */ 0x4008, SbERR_DDE_ERROR,
+ /* DMLERR_NOTPROCESSED */ 0x4009, SbERR_DDE_NOTPROCESSED,
+ /* DMLERR_NO_CONV_ESTABLISHED */ 0x400a, SbERR_DDE_NO_CHANNEL,
+ /* DMLERR_POKEACKTIMEOUT */ 0x400b, SbERR_DDE_TIMEOUT,
+ /* DMLERR_POSTMSG_FAILED */ 0x400c, SbERR_DDE_QUEUE_OVERFLOW,
+ /* DMLERR_REENTRANCY */ 0x400d, SbERR_DDE_ERROR,
+ /* DMLERR_SERVER_DIED */ 0x400e, SbERR_DDE_PARTNER_QUIT,
+ /* DMLERR_SYS_ERROR */ 0x400f, SbERR_DDE_ERROR,
+ /* DMLERR_UNADVACKTIMEOUT */ 0x4010, SbERR_DDE_TIMEOUT,
+ /* DMLERR_UNFOUND_QUEUE_ID */ 0x4011, SbERR_DDE_NO_CHANNEL
+};
+
+SbError SbiDdeControl::GetLastErr( DdeConnection* pConv )
+{
+ if( !pConv )
+ return 0;
+ long nErr = pConv->GetError();
+ if( !nErr )
+ return 0;
+ if( nErr < DDE_FIRSTERR || nErr > DDE_LASTERR )
+ return SbERR_DDE_ERROR;
+ return nDdeErrMap[ 2*(nErr - DDE_FIRSTERR) + 1 ];
+}
+
+IMPL_LINK_INLINE( SbiDdeControl,Data , DdeData*, pData,
+{
+ aData = String::CreateFromAscii( (char*)(const void*)*pData );
+ return 1;
+}
+)
+
+SbiDdeControl::SbiDdeControl()
+{
+ pConvList = new DdeConnections;
+ DdeConnection* pPtr = DDE_FREECHANNEL;
+ pConvList->Insert( pPtr );
+}
+
+SbiDdeControl::~SbiDdeControl()
+{
+ TerminateAll();
+ delete pConvList;
+}
+
+INT16 SbiDdeControl::GetFreeChannel()
+{
+ INT16 nListSize = (INT16)pConvList->Count();
+ DdeConnection* pPtr = pConvList->First();
+ pPtr = pConvList->Next(); // nullten eintrag ueberspringen
+ INT16 nChannel;
+ for( nChannel = 1; nChannel < nListSize; nChannel++ )
+ {
+ if( pPtr == DDE_FREECHANNEL )
+ return nChannel;
+ pPtr = pConvList->Next();
+ }
+ pPtr = DDE_FREECHANNEL;
+ pConvList->Insert( pPtr, LIST_APPEND );
+ return nChannel;
+}
+
+SbError SbiDdeControl::Initiate( const String& rService, const String& rTopic,
+ INT16& rnHandle )
+{
+ SbError nErr;
+ DdeConnection* pConv = new DdeConnection( rService, rTopic );
+ nErr = GetLastErr( pConv );
+ if( nErr )
+ {
+ delete pConv;
+ rnHandle = 0;
+ }
+ else
+ {
+ INT16 nChannel = GetFreeChannel();
+ pConvList->Replace( pConv, (ULONG)nChannel );
+ rnHandle = nChannel;
+ }
+ return 0;
+}
+
+SbError SbiDdeControl::Terminate( INT16 nChannel )
+{
+ DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
+ if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
+ return SbERR_DDE_NO_CHANNEL;
+ pConvList->Replace( DDE_FREECHANNEL, (ULONG)nChannel );
+ delete pConv;
+ return 0L;
+}
+
+SbError SbiDdeControl::TerminateAll()
+{
+ INT16 nChannel = (INT16)pConvList->Count();
+ while( nChannel )
+ {
+ nChannel--;
+ Terminate( nChannel );
+ }
+
+ pConvList->Clear();
+ DdeConnection* pPtr = DDE_FREECHANNEL;
+ pConvList->Insert( pPtr );
+
+ return 0;
+}
+
+SbError SbiDdeControl::Request( INT16 nChannel, const String& rItem, String& rResult )
+{
+ DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
+ if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
+ return SbERR_DDE_NO_CHANNEL;
+
+ DdeRequest aRequest( *pConv, rItem, 30000 );
+ aRequest.SetDataHdl( LINK( this, SbiDdeControl, Data ) );
+ aRequest.Execute();
+ rResult = aData;
+ return GetLastErr( pConv );
+}
+
+SbError SbiDdeControl::Execute( INT16 nChannel, const String& rCommand )
+{
+ DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
+ if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
+ return SbERR_DDE_NO_CHANNEL;
+ DdeExecute aRequest( *pConv, rCommand, 30000 );
+ aRequest.Execute();
+ return GetLastErr( pConv );
+}
+
+SbError SbiDdeControl::Poke( INT16 nChannel, const String& rItem, const String& rData )
+{
+ DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
+ if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
+ return SbERR_DDE_NO_CHANNEL;
+ DdePoke aRequest( *pConv, rItem, DdeData(rData), 30000 );
+ aRequest.Execute();
+ return GetLastErr( pConv );
+}
+
+