diff options
Diffstat (limited to 'dtrans/source/win32/dtobj/DOTransferable.cxx')
| -rw-r--r-- | dtrans/source/win32/dtobj/DOTransferable.cxx | 162 |
1 files changed, 130 insertions, 32 deletions
diff --git a/dtrans/source/win32/dtobj/DOTransferable.cxx b/dtrans/source/win32/dtobj/DOTransferable.cxx index eddf6f5322f7..b2fad9cd82bb 100644 --- a/dtrans/source/win32/dtobj/DOTransferable.cxx +++ b/dtrans/source/win32/dtobj/DOTransferable.cxx @@ -2,9 +2,9 @@ * * $RCSfile: DOTransferable.cxx,v $ * - * $Revision: 1.7 $ + * $Revision: 1.8 $ * - * last change: $Author: tra $ $Date: 2001-03-20 13:39:33 $ + * last change: $Author: tra $ $Date: 2001-03-22 14:15:51 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses @@ -83,8 +83,12 @@ #include "DTransHelper.hxx" #endif -#ifndef _RTL_TENCINFO_H -#include <rtl/tencinfo.h> +#ifndef _IMPLHELPER_HXX_ +#include "..\misc\ImplHelper.hxx" +#endif + +#ifndef _TXTCNVTHLP_HXX_ +#include "TxtCnvtHlp.hxx" #endif #ifndef _MIMEATTRIB_HXX_ @@ -148,7 +152,9 @@ CDOTransferable::CDOTransferable( const Reference< XMultiServiceFactory >& ServiceManager, IDataObjectPtr rDataObject ) : m_rDataObject( rDataObject ), m_SrvMgr( ServiceManager ), - m_DataFormatTranslator( m_SrvMgr ) + m_DataFormatTranslator( m_SrvMgr ), + m_bUnicodeRegistered( sal_False ), + m_TxtFormatOnClipboard( CF_INVALID ) { } @@ -167,14 +173,31 @@ Any SAL_CALL CDOTransferable::getTransferData( const DataFlavor& aFlavor ) // convert dataflavor to formatetc //------------------------------------------------ - CFormatEtc fetc = dataFlavorToFormatEtc( aFlavor ); + CFormatEtc fetc = m_DataFormatTranslator.getFormatEtcFromDataFlavor( aFlavor ); OSL_ASSERT( CF_INVALID != fetc.getClipformat() ); //------------------------------------------------ // get the data from clipboard in a byte stream //------------------------------------------------ - ByteSequence_t clipDataStream = getClipboardData( fetc ); + ByteSequence_t clipDataStream; + + try + { + clipDataStream = getClipboardData( fetc ); + } + catch( UnsupportedFlavorException& ) + { + if ( m_DataFormatTranslator.isUnicodeTextFormat( fetc.getClipformat( ) ) && + m_bUnicodeRegistered ) + { + OUString aUnicodeText = synthesizeUnicodeText( ); + Any aAny = makeAny( aUnicodeText ); + return aAny; + } + else + throw; // pass through exception + } //------------------------------------------------ // return the data as any @@ -217,6 +240,10 @@ sal_Bool SAL_CALL CDOTransferable::isDataFlavorSupported( const DataFlavor& aFla // only once; if the client of this Transferable will hold a reference // to it und the underlying clipboard content changes, the client does // possible operate on a invalid list +// if there is only text on the clipboard we will also offer unicode text +// an synthesize this format on the fly if requested, to accomplish this +// we save the first offered text format which we will later use for the +// conversion //------------------------------------------------------------------------ void SAL_CALL CDOTransferable::initFlavorList( ) @@ -237,7 +264,28 @@ void SAL_CALL CDOTransferable::initFlavorList( ) continue; DataFlavor aFlavor = formatEtcToDataFlavor( fetc ); - addSupportedFlavor( aFlavor ); + + // if text or oemtext is offered we also pretend to have unicode text + if ( m_DataFormatTranslator.isOemOrAnsiTextFormat( fetc.cfFormat ) && + !m_bUnicodeRegistered ) + { + addSupportedFlavor( aFlavor ); + + m_TxtFormatOnClipboard = fetc.cfFormat; + m_bUnicodeRegistered = sal_True; + + // register unicode text as accompany format + aFlavor = formatEtcToDataFlavor( + m_DataFormatTranslator.getFormatEtcForClipformat( CF_UNICODETEXT ) ); + addSupportedFlavor( aFlavor ); + } + else if ( (CF_UNICODETEXT == fetc.cfFormat) && !m_bUnicodeRegistered ) + { + addSupportedFlavor( aFlavor ); + m_bUnicodeRegistered = sal_True; + } + else + addSupportedFlavor( aFlavor ); // see MSDN IEnumFORMATETC CoTaskMemFree( fetc.ptd ); @@ -266,45 +314,49 @@ void SAL_CALL CDOTransferable::addSupportedFlavor( const DataFlavor& aFlavor ) // helper function //------------------------------------------------------------------------ -inline -CFormatEtc SAL_CALL CDOTransferable::dataFlavorToFormatEtc( const DataFlavor& aFlavor ) const +//inline +DataFlavor SAL_CALL CDOTransferable::formatEtcToDataFlavor( const FORMATETC& aFormatEtc ) { - return m_DataFormatTranslator.getFormatEtcFromDataFlavor( aFlavor ); + DataFlavor aFlavor; + LCID lcid = 0; + + // for non-unicode text format we must provid a locale to get + // the character-set of the text, if there is no locale on the + // clipboard we assume the text is in a charset appropriate for + // the current thread locale + if ( (CF_TEXT == aFormatEtc.cfFormat) || (CF_OEMTEXT == aFormatEtc.cfFormat) ) + lcid = getLocaleFromClipboard( ); + + return m_DataFormatTranslator.getDataFlavorFromFormatEtc( aFormatEtc, lcid ); } //------------------------------------------------------------------------ -// helper function +// returns the current locale on clipboard; if there is no locale on +// clipboard the function returns the current thread locale //------------------------------------------------------------------------ -//inline -DataFlavor SAL_CALL CDOTransferable::formatEtcToDataFlavor( const FORMATETC& aFormatEtc ) +LCID SAL_CALL CDOTransferable::getLocaleFromClipboard( ) { - DataFlavor aFlavor; LCID lcid = GetThreadLocale( ); try { - // for non-unicode text format we must provid a locale to get - // the character-set of the text, if there is no locale on the - // clipboard we assume the text is in a charset appropriate for - // the current thread locale - if ( (CF_TEXT == aFormatEtc.cfFormat) || (CF_OEMTEXT == aFormatEtc.cfFormat) ) - { - CFormatEtc fetc = m_DataFormatTranslator.getFormatEtcForClipformat( CF_LOCALE ); - ByteSequence_t aLCIDSeq = getClipboardData( fetc ); - lcid = *(reinterpret_cast<LCID*>( aLCIDSeq.getArray( ) ) ); - } - } - catch( UnsupportedFlavorException& ) - { - // no locale on clipboard, we take the default + CFormatEtc fetc = m_DataFormatTranslator.getFormatEtcForClipformat( CF_LOCALE ); + ByteSequence_t aLCIDSeq = getClipboardData( fetc ); + lcid = *(reinterpret_cast<LCID*>( aLCIDSeq.getArray( ) ) ); + + // because of a Win95/98 Bug; there the high word + // of a locale has the same value as the + // low word e.g. 0x07040704 that's not right + // correct is 0x00000704 + lcid &= 0x0000FFFF; } catch(...) { - OSL_ENSURE( sal_False, "Unexpected" ); + // we take the default locale } - return m_DataFormatTranslator.getDataFlavorFromFormatEtc( aFormatEtc, lcid ); + return lcid; } //------------------------------------------------------------------------ @@ -313,7 +365,7 @@ DataFlavor SAL_CALL CDOTransferable::formatEtcToDataFlavor( const FORMATETC& aFo // allocated etc. //------------------------------------------------------------------------ -CDOTransferable::ByteSequence_t CDOTransferable::getClipboardData( CFormatEtc& aFormatEtc ) +CDOTransferable::ByteSequence_t SAL_CALL CDOTransferable::getClipboardData( CFormatEtc& aFormatEtc ) { STGMEDIUM stgmedium; HRESULT hr = m_rDataObject->GetData( aFormatEtc, &stgmedium ); @@ -360,6 +412,52 @@ CDOTransferable::ByteSequence_t CDOTransferable::getClipboardData( CFormatEtc& a // //------------------------------------------------------------------------ +OUString SAL_CALL CDOTransferable::synthesizeUnicodeText( ) +{ + ByteSequence_t aTextSequence; + CFormatEtc fetc; + LCID lcid = getLocaleFromClipboard( ); + sal_uInt32 cpForTxtCnvt; + + if ( CF_TEXT == m_TxtFormatOnClipboard ) + { + fetc = m_DataFormatTranslator.getFormatEtcForClipformat( CF_TEXT ); + aTextSequence = getClipboardData( fetc ); + + // determine the codepage used for text conversion + cpForTxtCnvt = getWinCPFromLocaleId( lcid, LOCALE_IDEFAULTANSICODEPAGE ).toInt32( ); + } + else if ( CF_OEMTEXT == m_TxtFormatOnClipboard ) + { + fetc = m_DataFormatTranslator.getFormatEtcForClipformat( CF_OEMTEXT ); + aTextSequence = getClipboardData( fetc ); + + // determine the codepage used for text conversion + cpForTxtCnvt = getWinCPFromLocaleId( lcid, LOCALE_IDEFAULTCODEPAGE ).toInt32( ); + } + else + OSL_ASSERT( sal_False ); + + CStgTransferHelper stgTransferHelper; + + // convert the text + sal_Int32 lStr = MultiByteToWideCharEx( + cpForTxtCnvt, + reinterpret_cast< char* >( aTextSequence.getArray( ) ), + -1, // \0 terminated string + stgTransferHelper, + sal_True ); + + CRawHGlobalPtr ptrHGlob( stgTransferHelper ); + sal_Unicode* pWChar = reinterpret_cast< sal_Unicode* >( ptrHGlob.GetMemPtr( ) ); + + return OUString( pWChar, (lStr - 1) ); +} + +//------------------------------------------------------------------------ +// +//------------------------------------------------------------------------ + void CDOTransferable::clipDataToByteStream( STGMEDIUM stgmedium, ByteSequence_t& aByteSequence ) { CStgTransferHelper memTransferHelper; |