Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 348 insertions, 0 deletions

diff --git a/sfx2/source/appl/impldde.cxx b/sfx2/source/appl/impldde.cxx
new file mode 100644
index 000000000..c70cb4cb6
--- /dev/null
+++ b/sfx2/source/appl/impldde.cxx
@@ -0,0 +1,348 @@
+/* -*- 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 .
+ */
+
+
+#if defined(_WIN32)
+#include <prewin.h>
+#include <postwin.h>
+#endif
+
+#include "impldde.hxx"
+
+#include <vcl/weld.hxx>
+#include <sot/exchange.hxx>
+#include <rtl/ustring.hxx>
+
+#include <sfx2/lnkbase.hxx>
+#include <sfx2/linkmgr.hxx>
+
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+
+#include <svl/svdde.hxx>
+#include <sot/formats.hxx>
+
+using namespace ::com::sun::star::uno;
+
+namespace sfx2
+{
+
+namespace {
+
+class SvDDELinkEditDialog : public weld::GenericDialogController
+{
+    std::unique_ptr<weld::Entry> m_xEdDdeApp;
+    std::unique_ptr<weld::Entry> m_xEdDdeTopic;
+    std::unique_ptr<weld::Entry> m_xEdDdeItem;
+    std::unique_ptr<weld::Button> m_xOKButton;
+
+    DECL_LINK(EditHdl_Impl, weld::Entry&, void);
+public:
+    SvDDELinkEditDialog(weld::Window* pParent, SvBaseLink const*);
+    OUString GetCmd() const;
+};
+
+}
+
+SvDDELinkEditDialog::SvDDELinkEditDialog(weld::Window* pParent, SvBaseLink const * pLink)
+    : GenericDialogController(pParent, "sfx/ui/linkeditdialog.ui", "LinkEditDialog")
+    , m_xEdDdeApp(m_xBuilder->weld_entry("app"))
+    , m_xEdDdeTopic(m_xBuilder->weld_entry("file"))
+    , m_xEdDdeItem(m_xBuilder->weld_entry("category"))
+    , m_xOKButton(m_xBuilder->weld_button("ok"))
+{
+    OUString sServer, sTopic, sItem;
+    sfx2::LinkManager::GetDisplayNames( pLink, &sServer, &sTopic, &sItem );
+
+    m_xEdDdeApp->set_text( sServer );
+    m_xEdDdeTopic->set_text( sTopic );
+    m_xEdDdeItem->set_text( sItem );
+
+    m_xEdDdeApp->connect_changed( LINK( this, SvDDELinkEditDialog, EditHdl_Impl));
+    m_xEdDdeTopic->connect_changed( LINK( this, SvDDELinkEditDialog, EditHdl_Impl));
+    m_xEdDdeItem->connect_changed( LINK( this, SvDDELinkEditDialog, EditHdl_Impl));
+
+    m_xOKButton->set_sensitive(!sServer.isEmpty() && !sTopic.isEmpty() && !sItem.isEmpty());
+}
+
+OUString SvDDELinkEditDialog::GetCmd() const
+{
+    OUString sCmd( m_xEdDdeApp->get_text() ), sRet;
+    ::sfx2::MakeLnkName( sRet, &sCmd, m_xEdDdeTopic->get_text(), m_xEdDdeItem->get_text() );
+    return sRet;
+}
+
+IMPL_LINK_NOARG( SvDDELinkEditDialog, EditHdl_Impl, weld::Entry&, void)
+{
+    m_xOKButton->set_sensitive(!m_xEdDdeApp->get_text().isEmpty() &&
+                               !m_xEdDdeTopic->get_text().isEmpty() &&
+                               !m_xEdDdeItem->get_text().isEmpty() );
+}
+
+SvDDEObject::SvDDEObject()
+    :  pGetData( nullptr )
+{
+    SetUpdateTimeout( 100 );
+    bWaitForData = false;
+}
+
+SvDDEObject::~SvDDEObject()
+{
+    pLink.reset();
+    pRequest.reset();
+    pConnection.reset();
+}
+
+bool SvDDEObject::GetData( css::uno::Any & rData /*out param*/,
+                            const OUString & rMimeType,
+                            bool bSynchron )
+{
+    if( !pConnection )
+        return false;
+
+    if( pConnection->GetError() )  // then we try once more
+    {
+        OUString sServer( pConnection->GetServiceName() );
+        OUString sTopic( pConnection->GetTopicName() );
+
+        pConnection.reset( new DdeConnection( sServer, sTopic ) );
+    }
+
+    if( bWaitForData ) // we are in a recursive loop, get out again
+        return false;
+
+    // Lock against Reentrance
+    bWaitForData = true;
+
+    // if you want to print, we'll wait until the data is available
+    if( bSynchron )
+    {
+        DdeRequest aReq( *pConnection, sItem, 5000 );
+        aReq.SetDataHdl( LINK( this, SvDDEObject, ImplGetDDEData ) );
+        aReq.SetFormat( SotExchange::GetFormatIdFromMimeType( rMimeType ));
+
+        pGetData = &rData;
+
+        do {
+            aReq.Execute();
+        } while( aReq.GetError() && ImplHasOtherFormat( aReq ) );
+
+        bWaitForData = false;
+    }
+    else
+    {
+        // otherwise it will be executed asynchronously
+        {
+            pRequest.reset( new DdeRequest( *pConnection, sItem ) );
+            pRequest->SetDataHdl( LINK( this, SvDDEObject, ImplGetDDEData ) );
+            pRequest->SetDoneHdl( LINK( this, SvDDEObject, ImplDoneDDEData ) );
+            pRequest->SetFormat( SotExchange::GetFormatIdFromMimeType(
+                                    rMimeType ) );
+            pRequest->Execute();
+        }
+
+        rData <<= OUString();
+    }
+    return 0 == pConnection->GetError();
+}
+
+
+bool SvDDEObject::Connect( SvBaseLink * pSvLink )
+{
+    SfxLinkUpdateMode nLinkType = pSvLink->GetUpdateMode();
+    if( pConnection )           // Connection is already made
+    {
+        // well, then just add it as dependent
+        AddDataAdvise( pSvLink,
+                SotExchange::GetFormatMimeType( pSvLink->GetContentType()),
+                SfxLinkUpdateMode::ONCALL == nLinkType
+                        ? ADVISEMODE_ONLYONCE
+                        : 0 );
+        AddConnectAdvise( pSvLink );
+
+        return true;
+    }
+
+    if( !pSvLink->GetLinkManager() )
+        return false;
+
+    OUString sServer, sTopic;
+    sfx2::LinkManager::GetDisplayNames( pSvLink, &sServer, &sTopic, &sItem );
+
+    if( sServer.isEmpty() || sTopic.isEmpty() || sItem.isEmpty() )
+        return false;
+
+    pConnection.reset( new DdeConnection( sServer, sTopic ) );
+    if( pConnection->GetError() )
+    {
+        // check if the DDE server knows the "SYSTEM" topic
+        bool bSysTopic = false;
+        if (!sTopic.equalsIgnoreAsciiCase("SYSTEM"))
+        {
+            DdeConnection aTmp(sServer, "SYSTEM");
+            bSysTopic = !aTmp.GetError();
+        }
+
+        if( bSysTopic )
+        {
+            // if the system topic works then the server is up but just doesn't know the original topic
+            return false;
+        }
+    }
+
+    if( SfxLinkUpdateMode::ALWAYS == nLinkType && !pLink && !pConnection->GetError() )
+    {
+        // Setting up Hot Link, Data will be available at some point later on
+        pLink.reset( new DdeHotLink( *pConnection, sItem ) );
+        pLink->SetDataHdl( LINK( this, SvDDEObject, ImplGetDDEData ) );
+        pLink->SetDoneHdl( LINK( this, SvDDEObject, ImplDoneDDEData ) );
+        pLink->SetFormat( pSvLink->GetContentType() );
+        pLink->Execute();
+    }
+
+    if( pConnection->GetError() )
+        return false;
+
+    AddDataAdvise( pSvLink,
+                SotExchange::GetFormatMimeType( pSvLink->GetContentType()),
+                SfxLinkUpdateMode::ONCALL == nLinkType
+                        ? ADVISEMODE_ONLYONCE
+                        : 0 );
+    AddConnectAdvise( pSvLink );
+    SetUpdateTimeout( 0 );
+    return true;
+}
+
+void SvDDEObject::Edit(weld::Window* pParent, sfx2::SvBaseLink* pBaseLink, const Link<const OUString&, void>& rEndEditHdl)
+{
+    SvDDELinkEditDialog aDlg(pParent, pBaseLink);
+    if (RET_OK == aDlg.run() && rEndEditHdl.IsSet())
+    {
+        OUString sCommand = aDlg.GetCmd();
+        rEndEditHdl.Call( sCommand );
+    }
+}
+
+bool SvDDEObject::ImplHasOtherFormat( DdeTransaction& rReq )
+{
+    SotClipboardFormatId nFmt = SotClipboardFormatId::NONE;
+    switch( rReq.GetFormat() )
+    {
+    case SotClipboardFormatId::RTF:
+        nFmt = SotClipboardFormatId::STRING;
+        break;
+
+    case SotClipboardFormatId::HTML_SIMPLE:
+    case SotClipboardFormatId::HTML:
+        nFmt = SotClipboardFormatId::RTF;
+        break;
+
+    case SotClipboardFormatId::GDIMETAFILE:
+        nFmt = SotClipboardFormatId::BITMAP;
+        break;
+
+    case SotClipboardFormatId::SVXB:
+        nFmt = SotClipboardFormatId::GDIMETAFILE;
+        break;
+
+    // something else?
+    default: break;
+    }
+    if( nFmt != SotClipboardFormatId::NONE )
+        rReq.SetFormat( nFmt );         // try it once more
+    return SotClipboardFormatId::NONE != nFmt;
+}
+
+bool SvDDEObject::IsPending() const
+/*
+    The method determines whether the data-object can be read from a DDE.
+*/
+{
+    return bWaitForData;
+}
+
+bool SvDDEObject::IsDataComplete() const
+{
+    return bWaitForData;
+}
+
+IMPL_LINK( SvDDEObject, ImplGetDDEData, const DdeData*, pData, void )
+{
+    SotClipboardFormatId nFmt = pData->GetFormat();
+    switch( nFmt )
+    {
+    case SotClipboardFormatId::GDIMETAFILE:
+        break;
+
+    case SotClipboardFormatId::BITMAP:
+        break;
+
+    default:
+        {
+            const char* p = static_cast<char const *>(pData->getData());
+            tools::Long nLen = SotClipboardFormatId::STRING == nFmt ? (p ? strlen( p ) : 0) : pData->getSize();
+
+            Sequence< sal_Int8 > aSeq( reinterpret_cast<const sal_Int8*>(p), nLen );
+            if( pGetData )
+            {
+                *pGetData <<= aSeq;  // Copy Data
+                pGetData = nullptr;        // reset the pointer here
+            }
+            else
+            {
+                Any aVal;
+                aVal <<= aSeq;
+                DataChanged( SotExchange::GetFormatMimeType(
+                                                pData->GetFormat() ), aVal );
+                bWaitForData = false;
+            }
+        }
+    }
+}
+
+IMPL_LINK( SvDDEObject, ImplDoneDDEData, bool, bValid, void )
+{
+    if( !bValid && ( pRequest || pLink ))
+    {
+        DdeTransaction* pReq = nullptr;
+        if( !pLink || ( pLink && pLink->IsBusy() ))
+            pReq = pRequest.get();  // only the one that is ready
+        else if( pRequest && pRequest->IsBusy() )
+            pReq = pLink.get();  // only the one that is ready
+
+        if( pReq )
+        {
+            if( ImplHasOtherFormat( *pReq ) )
+            {
+                pReq->Execute();
+            }
+            else if( pReq == pRequest.get() )
+            {
+                bWaitForData = false;
+            }
+        }
+    }
+    else
+        // End waiting
+        bWaitForData = false;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */