diff options
Diffstat (limited to 'vcl/unx/generic/dtrans/X11_selection.cxx')
| -rw-r--r-- | vcl/unx/generic/dtrans/X11_selection.cxx | 4195 |
1 files changed, 4195 insertions, 0 deletions
diff --git a/vcl/unx/generic/dtrans/X11_selection.cxx b/vcl/unx/generic/dtrans/X11_selection.cxx new file mode 100644 index 000000000000..22f109905b13 --- /dev/null +++ b/vcl/unx/generic/dtrans/X11_selection.cxx @@ -0,0 +1,4195 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +#include "unx/saldisp.hxx" +#include "unx/saldata.hxx" + +#include <unistd.h> +#include <stdio.h> +#include <string.h> +#include <sys/time.h> + +#include "tools/prex.h" +#include <X11/Xatom.h> +#include <X11/keysym.h> +#include <X11/Xutil.h> +#include "tools/postx.h" +#if defined(LINUX) || defined(NETBSD) || defined (FREEBSD) || defined(OPENBSD) +#include <sys/poll.h> +#else +#include <poll.h> +#endif +#include <sal/alloca.h> +#include <sal/macros.h> + +#include <X11_selection.hxx> +#include <X11_clipboard.hxx> +#include <X11_transferable.hxx> +#include <X11_dndcontext.hxx> +#include <bmp.hxx> + +#include "vcl/svapp.hxx" + +// pointer bitmaps +#include <copydata_curs.h> +#include <copydata_mask.h> +#include <movedata_curs.h> +#include <movedata_mask.h> +#include <linkdata_curs.h> +#include <linkdata_mask.h> +#include <nodrop_curs.h> +#include <nodrop_mask.h> +#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp> +#include <com/sun/star/awt/MouseEvent.hpp> +#include <com/sun/star/awt/MouseButton.hpp> +#include <rtl/tencinfo.h> +#include <osl/process.h> + +#include <comphelper/processfactory.hxx> +#include <osl/mutex.hxx> + +#define DRAG_EVENT_MASK ButtonPressMask |\ + ButtonReleaseMask |\ + PointerMotionMask |\ + EnterWindowMask |\ + LeaveWindowMask + +namespace { + +namespace css = com::sun::star; + +} + +using namespace com::sun::star::datatransfer; +using namespace com::sun::star::datatransfer::dnd; +using namespace com::sun::star::lang; +using namespace com::sun::star::awt; +using namespace com::sun::star::uno; +using namespace com::sun::star::frame; +using namespace cppu; + +using namespace x11; + +using ::rtl::OUString; +using ::rtl::OUStringHash; +using ::rtl::OStringToOUString; + +// stubs to satisfy solaris compiler's rather rigid linking warning +extern "C" +{ + static void call_SelectionManager_run( void * pMgr ) + { + SelectionManager::run( pMgr ); + } + + static void call_SelectionManager_runDragExecute( void * pMgr ) + { + SelectionManager::runDragExecute( pMgr ); + } +} + + +static const long nXdndProtocolRevision = 5; + +// mapping between mime types (or what the office thinks of mime types) +// and X convention types +struct NativeTypeEntry +{ + Atom nAtom; + const char* pType; // Mime encoding on our side + const char* pNativeType; // string corresponding to nAtom for the case of nAtom being uninitialized + int nFormat; // the corresponding format +}; + +// the convention for Xdnd is mime types as specified by the corresponding +// RFC's with the addition that text/plain without charset tag contains iso8859-1 +// sadly some applications (e.g. gtk) do not honor the mimetype only rule, +// so for compatibility add UTF8_STRING +static NativeTypeEntry aXdndConversionTab[] = +{ + { 0, "text/plain;charset=iso8859-1", "text/plain", 8 }, + { 0, "text/plain;charset=utf-8", "UTF8_STRING", 8 } +}; + +// for clipboard and primary selections there is only a convention for text +// that the encoding name of the text is taken as type in all capitalized letters +static NativeTypeEntry aNativeConversionTab[] = +{ + { 0, "text/plain;charset=utf-16", "ISO10646-1", 16 }, + { 0, "text/plain;charset=utf-8", "UTF8_STRING", 8 }, + { 0, "text/plain;charset=utf-8", "UTF-8", 8 }, + { 0, "text/plain;charset=utf-8", "text/plain;charset=UTF-8", 8 }, + // ISO encodings + { 0, "text/plain;charset=iso8859-2", "ISO8859-2", 8 }, + { 0, "text/plain;charset=iso8859-3", "ISO8859-3", 8 }, + { 0, "text/plain;charset=iso8859-4", "ISO8859-4", 8 }, + { 0, "text/plain;charset=iso8859-5", "ISO8859-5", 8 }, + { 0, "text/plain;charset=iso8859-6", "ISO8859-6", 8 }, + { 0, "text/plain;charset=iso8859-7", "ISO8859-7", 8 }, + { 0, "text/plain;charset=iso8859-8", "ISO8859-8", 8 }, + { 0, "text/plain;charset=iso8859-9", "ISO8859-9", 8 }, + { 0, "text/plain;charset=iso8859-10", "ISO8859-10", 8 }, + { 0, "text/plain;charset=iso8859-13", "ISO8859-13", 8 }, + { 0, "text/plain;charset=iso8859-14", "ISO8859-14", 8 }, + { 0, "text/plain;charset=iso8859-15", "ISO8859-15", 8 }, + // asian encodings + { 0, "text/plain;charset=jisx0201.1976-0", "JISX0201.1976-0", 8 }, + { 0, "text/plain;charset=jisx0208.1983-0", "JISX0208.1983-0", 8 }, + { 0, "text/plain;charset=jisx0208.1990-0", "JISX0208.1990-0", 8 }, + { 0, "text/plain;charset=jisx0212.1990-0", "JISX0212.1990-0", 8 }, + { 0, "text/plain;charset=gb2312.1980-0", "GB2312.1980-0", 8 }, + { 0, "text/plain;charset=ksc5601.1992-0", "KSC5601.1992-0", 8 }, + // eastern european encodings + { 0, "text/plain;charset=koi8-r", "KOI8-R", 8 }, + { 0, "text/plain;charset=koi8-u", "KOI8-U", 8 }, + // String (== iso8859-1) + { XA_STRING, "text/plain;charset=iso8859-1", "STRING", 8 }, + // special for compound text + { 0, "text/plain;charset=compound_text", "COMPOUND_TEXT", 8 }, + + // PIXMAP + { XA_PIXMAP, "image/bmp", "PIXMAP", 32 } +}; + +rtl_TextEncoding x11::getTextPlainEncoding( const OUString& rMimeType ) +{ + rtl_TextEncoding aEncoding = RTL_TEXTENCODING_DONTKNOW; + OUString aMimeType( rMimeType.toAsciiLowerCase() ); + sal_Int32 nIndex = 0; + if( aMimeType.getToken( 0, ';', nIndex ).equalsAsciiL( "text/plain" , 10 ) ) + { + if( aMimeType.getLength() == 10 ) // only "text/plain" + aEncoding = RTL_TEXTENCODING_ISO_8859_1; + else + { + while( nIndex != -1 ) + { + OUString aToken = aMimeType.getToken( 0, ';', nIndex ); + sal_Int32 nPos = 0; + if( aToken.getToken( 0, '=', nPos ).equalsAsciiL( "charset", 7 ) ) + { + OString aEncToken = OUStringToOString( aToken.getToken( 0, '=', nPos ), RTL_TEXTENCODING_ISO_8859_1 ); + aEncoding = rtl_getTextEncodingFromUnixCharset( aEncToken.getStr() ); + if( aEncoding == RTL_TEXTENCODING_DONTKNOW ) + { + if( aEncToken.equalsIgnoreAsciiCase( "utf-8" ) ) + aEncoding = RTL_TEXTENCODING_UTF8; + } + if( aEncoding != RTL_TEXTENCODING_DONTKNOW ) + break; + } + } + } + } +#if OSL_DEBUG_LEVEL > 1 + if( aEncoding == RTL_TEXTENCODING_DONTKNOW ) + fprintf( stderr, "getTextPlainEncoding( %s ) failed\n", OUStringToOString( rMimeType, RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + return aEncoding; +} + +// ------------------------------------------------------------------------ + +::boost::unordered_map< OUString, SelectionManager*, OUStringHash >& SelectionManager::getInstances() +{ + static ::boost::unordered_map< OUString, SelectionManager*, OUStringHash > aInstances; + return aInstances; +} + +// ------------------------------------------------------------------------ + +SelectionManager::SelectionManager() : + m_nIncrementalThreshold( 15*1024 ), + m_pDisplay( NULL ), + m_aThread( NULL ), + m_aDragExecuteThread( NULL ), + m_aWindow( None ), + m_nSelectionTimeout( 0 ), + m_nSelectionTimestamp( CurrentTime ), + m_bDropEnterSent( true ), + m_aCurrentDropWindow( None ), + m_nDropTime( None ), + m_nLastDropAction( 0 ), + m_nLastX( 0 ), + m_nLastY( 0 ), + m_nDropTimestamp( 0 ), + m_bDropWaitingForCompletion( false ), + m_aDropWindow( None ), + m_aDropProxy( None ), + m_aDragSourceWindow( None ), + m_nLastDragX( 0 ), + m_nLastDragY( 0 ), + m_nNoPosX( 0 ), + m_nNoPosY( 0 ), + m_nNoPosWidth( 0 ), + m_nNoPosHeight( 0 ), + m_nDragButton( 0 ), + m_nUserDragAction( 0 ), + m_nTargetAcceptAction( 0 ), + m_nSourceActions( 0 ), + m_bLastDropAccepted( false ), + m_bDropSuccess( false ), + m_bDropSent( false ), + m_bWaitingForPrimaryConversion( false ), + m_nDragTimestamp( None ), + m_aMoveCursor( None ), + m_aCopyCursor( None ), + m_aLinkCursor( None ), + m_aNoneCursor( None ), + m_aCurrentCursor( None ), + m_nCurrentProtocolVersion( nXdndProtocolRevision ), + m_nCLIPBOARDAtom( None ), + m_nTARGETSAtom( None ), + m_nTIMESTAMPAtom( None ), + m_nTEXTAtom( None ), + m_nINCRAtom( None ), + m_nCOMPOUNDAtom( None ), + m_nMULTIPLEAtom( None ), + m_nUTF16Atom( None ), + m_nImageBmpAtom( None ), + m_nXdndAware( None ), + m_nXdndEnter( None ), + m_nXdndLeave( None ), + m_nXdndPosition( None ), + m_nXdndStatus( None ), + m_nXdndDrop( None ), + m_nXdndFinished( None ), + m_nXdndSelection( None ), + m_nXdndTypeList( None ), + m_nXdndProxy( None ), + m_nXdndActionCopy( None ), + m_nXdndActionMove( None ), + m_nXdndActionLink( None ), + m_nXdndActionAsk( None ), + m_nXdndActionPrivate( None ), + m_bShutDown( false ) +{ + m_aDropEnterEvent.data.l[0] = None; + m_aDragRunning.reset(); +} + +XLIB_Cursor SelectionManager::createCursor( const unsigned char* pPointerData, const unsigned char* pMaskData, int width, int height, int hotX, int hotY ) +{ + Pixmap aPointer; + Pixmap aMask; + XColor aBlack, aWhite; + + aBlack.pixel = BlackPixel( m_pDisplay, 0 ); + aBlack.red = aBlack.green = aBlack.blue = 0; + aBlack.flags = DoRed | DoGreen | DoBlue; + + aWhite.pixel = WhitePixel( m_pDisplay, 0 ); + aWhite.red = aWhite.green = aWhite.blue = 0xffff; + aWhite.flags = DoRed | DoGreen | DoBlue; + + aPointer = + XCreateBitmapFromData( m_pDisplay, + m_aWindow, + reinterpret_cast<const char*>(pPointerData), + width, + height ); + aMask + = XCreateBitmapFromData( m_pDisplay, + m_aWindow, + reinterpret_cast<const char*>(pMaskData), + width, + height ); + XLIB_Cursor aCursor = + XCreatePixmapCursor( m_pDisplay, aPointer, aMask, + &aBlack, &aWhite, + hotX, + hotY ); + XFreePixmap( m_pDisplay, aPointer ); + XFreePixmap( m_pDisplay, aMask ); + + return aCursor; +} + +void SelectionManager::initialize( const Sequence< Any >& arguments ) throw (::com::sun::star::uno::Exception) +{ + osl::MutexGuard aGuard(m_aMutex); + + if( ! m_xDisplayConnection.is() ) + { + /* + * first argument must be a ::com::sun::star::awt::XDisplayConnection + * from this we will get the XEvents of the vcl event loop by + * registering us as XEventHandler on it. + * + * implementor's note: + * FIXME: + * finally the clipboard and XDND service is back in the module it belongs + * now cleanup and sharing of resources with the normal vcl event loop + * needs to be added. The display used whould be that of the normal event loop + * and synchronization should be done via the SolarMutex. + */ + if( arguments.getLength() > 0 ) + arguments.getConstArray()[0] >>= m_xDisplayConnection; + if( ! m_xDisplayConnection.is() ) + { + } + else + m_xDisplayConnection->addEventHandler( Any(), this, ~0 ); + } + + if( !m_xBitmapConverter.is() ) + { + if( arguments.getLength() > 2 ) + arguments.getConstArray()[2] >>= m_xBitmapConverter; + } + + OUString aParam; + if( ! m_pDisplay ) + { + OUString aUDisplay; + if( m_xDisplayConnection.is() ) + { + Any aIdentifier; + aIdentifier = m_xDisplayConnection->getIdentifier(); + aIdentifier >>= aUDisplay; + } + + OString aDisplayName( OUStringToOString( aUDisplay, RTL_TEXTENCODING_ISO_8859_1 ) ); + + m_pDisplay = XOpenDisplay( aDisplayName.getLength() ? aDisplayName.getStr() : NULL ); + + if( m_pDisplay ) + { +#ifdef SYNCHRONIZE + XSynchronize( m_pDisplay, True ); +#endif + // clipboard selection + m_nCLIPBOARDAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("CLIPBOARD")) ); + + // special targets + m_nTARGETSAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("TARGETS")) ); + m_nTIMESTAMPAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("TIMESTAMP")) ); + m_nTEXTAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("TEXT")) ); + m_nINCRAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("INCR")) ); + m_nCOMPOUNDAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("COMPOUND_TEXT")) ); + m_nMULTIPLEAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("MULTIPLE")) ); + m_nUTF16Atom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("ISO10646-1")) ); + m_nImageBmpAtom = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("image/bmp")) ); + + // Atoms for Xdnd protocol + m_nXdndAware = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndAware")) ); + m_nXdndEnter = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndEnter")) ); + m_nXdndLeave = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndLeave")) ); + m_nXdndPosition = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndPosition")) ); + m_nXdndStatus = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndStatus")) ); + m_nXdndDrop = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndDrop")) ); + m_nXdndFinished = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndFinished")) ); + m_nXdndSelection = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndSelection")) ); + m_nXdndTypeList = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndTypeList")) ); + m_nXdndProxy = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndProxy")) ); + m_nXdndActionCopy = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndActionCopy")) ); + m_nXdndActionMove = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndActionMove")) ); + m_nXdndActionLink = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndActionLink")) ); + m_nXdndActionAsk = getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndActionAsk")) ); + m_nXdndActionPrivate= getAtom( OUString(RTL_CONSTASCII_USTRINGPARAM("XdndActionPrivate")) ); + + // initialize map with member none + m_aAtomToString[ 0 ]= OUString(RTL_CONSTASCII_USTRINGPARAM("None")); + m_aAtomToString[ XA_PRIMARY ] = OUString(RTL_CONSTASCII_USTRINGPARAM("PRIMARY")); + + // create a (invisible) message window + m_aWindow = XCreateSimpleWindow( m_pDisplay, DefaultRootWindow( m_pDisplay ), + 10, 10, 10, 10, 0, 0, 1 ); + + // initialize threshold for incremetal transfers + // ICCCM says it should be smaller that the max request size + // which in turn is guaranteed to be at least 16k bytes + m_nIncrementalThreshold = XMaxRequestSize( m_pDisplay ) - 1024; + + if( m_aWindow ) + { + // initialize default cursors + m_aMoveCursor = createCursor( movedata_curs_bits, + movedata_mask_bits, + movedata_curs_width, + movedata_curs_height, + movedata_curs_x_hot, + movedata_curs_y_hot ); + m_aCopyCursor = createCursor( copydata_curs_bits, + copydata_mask_bits, + copydata_curs_width, + copydata_curs_height, + copydata_curs_x_hot, + copydata_curs_y_hot ); + m_aLinkCursor = createCursor( linkdata_curs_bits, + linkdata_mask_bits, + linkdata_curs_width, + linkdata_curs_height, + linkdata_curs_x_hot, + linkdata_curs_y_hot ); + m_aNoneCursor = createCursor( nodrop_curs_bits, + nodrop_mask_bits, + nodrop_curs_width, + nodrop_curs_height, + nodrop_curs_x_hot, + nodrop_curs_y_hot ); + + + + + // just interested in SelectionClear/Notify/Request and PropertyChange + XSelectInput( m_pDisplay, m_aWindow, PropertyChangeMask ); + // create the transferable for Drag operations + m_xDropTransferable = new X11Transferable( *this, m_nXdndSelection ); + registerHandler( m_nXdndSelection, *this ); + + m_aThread = osl_createSuspendedThread( call_SelectionManager_run, this ); + if( m_aThread ) + osl_resumeThread( m_aThread ); +#if OSL_DEBUG_LEVEL > 1 + else + fprintf( stderr, "SelectionManager::initialize: creation of dispatch thread failed !\n" ); +#endif + } + } + } +} + +// ------------------------------------------------------------------------ + +SelectionManager::~SelectionManager() +{ +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "SelectionManager::~SelectionManager (%s)\n", m_pDisplay ? DisplayString(m_pDisplay) : "no display" ); +#endif + { + osl::MutexGuard aGuard( *osl::Mutex::getGlobalMutex() ); + + ::boost::unordered_map< OUString, SelectionManager*, OUStringHash >::iterator it; + for( it = getInstances().begin(); it != getInstances().end(); ++it ) + if( it->second == this ) + { + getInstances().erase( it ); + break; + } + } + + if( m_aThread ) + { + osl_terminateThread( m_aThread ); + osl_joinWithThread( m_aThread ); + osl_destroyThread( m_aThread ); + } + + if( m_aDragExecuteThread ) + { + osl_terminateThread( m_aDragExecuteThread ); + osl_joinWithThread( m_aDragExecuteThread ); + m_aDragExecuteThread = NULL; + // thread handle is freed in dragDoDispatch() + } + + osl::MutexGuard aGuard(m_aMutex); + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "shutting down SelectionManager\n" ); +#endif + + if( m_pDisplay ) + { + deregisterHandler( m_nXdndSelection ); + // destroy message window + if( m_aWindow ) + XDestroyWindow( m_pDisplay, m_aWindow ); + // release cursors + if (m_aMoveCursor != None) + XFreeCursor(m_pDisplay, m_aMoveCursor); + if (m_aCopyCursor != None) + XFreeCursor(m_pDisplay, m_aCopyCursor); + if (m_aLinkCursor != None) + XFreeCursor(m_pDisplay, m_aLinkCursor); + if (m_aNoneCursor != None) + XFreeCursor(m_pDisplay, m_aNoneCursor); + + // paranoia setting, the drag thread should have + // done that already + XUngrabPointer( m_pDisplay, CurrentTime ); + XUngrabKeyboard( m_pDisplay, CurrentTime ); + + XCloseDisplay( m_pDisplay ); + } +} + +// ------------------------------------------------------------------------ + +SelectionAdaptor* SelectionManager::getAdaptor( Atom selection ) +{ + ::boost::unordered_map< Atom, Selection* >::iterator it = + m_aSelections.find( selection ); + return it != m_aSelections.end() ? it->second->m_pAdaptor : NULL; +} + +// ------------------------------------------------------------------------ + +OUString SelectionManager::convertFromCompound( const char* pText, int nLen ) +{ + osl::MutexGuard aGuard( m_aMutex ); + OUString aRet; + if( nLen < 0 ) + nLen = strlen( pText ); + + char** pTextList = NULL; + int nTexts = 0; + + XTextProperty aProp; + aProp.value = (unsigned char*)pText; + aProp.encoding = m_nCOMPOUNDAtom; + aProp.format = 8; + aProp.nitems = nLen; + XmbTextPropertyToTextList( m_pDisplay, + &aProp, + &pTextList, + &nTexts ); + rtl_TextEncoding aEncoding = osl_getThreadTextEncoding(); + for( int i = 0; i < nTexts; i++ ) + aRet += OStringToOUString( pTextList[i], aEncoding ); + + if( pTextList ) + XFreeStringList( pTextList ); + + return aRet; +} + +// ------------------------------------------------------------------------ + +OString SelectionManager::convertToCompound( const OUString& rText ) +{ + osl::MutexGuard aGuard( m_aMutex ); + XTextProperty aProp; + aProp.value = NULL; + aProp.encoding = XA_STRING; + aProp.format = 8; + aProp.nitems = 0; + + OString aRet( rText.getStr(), rText.getLength(), osl_getThreadTextEncoding() ); + char* pT = const_cast<char*>(aRet.getStr()); + + XmbTextListToTextProperty( m_pDisplay, + &pT, + 1, + XCompoundTextStyle, + &aProp ); + if( aProp.value ) + { + aRet = (char*)aProp.value; + XFree( aProp.value ); +#ifdef SOLARIS + /* + * for currently unknown reasons XmbTextListToTextProperty on Solaris returns + * no data in ISO8859-n encodings (at least for n = 1, 15) + * in these encodings the directly converted text does the + * trick, also. + */ + if( ! aRet.getLength() && rText.getLength() ) + aRet = OUStringToOString( rText, osl_getThreadTextEncoding() ); +#endif + } + else + aRet = OString(); + + return aRet; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::convertData( + const css::uno::Reference< XTransferable >& xTransferable, + Atom nType, + Atom nSelection, + int& rFormat, + Sequence< sal_Int8 >& rData ) +{ + bool bSuccess = false; + + if( ! xTransferable.is() ) + return bSuccess; + + try + { + + DataFlavor aFlavor; + aFlavor.MimeType = convertTypeFromNative( nType, nSelection, rFormat ); + + sal_Int32 nIndex = 0; + if( aFlavor.MimeType.getToken( 0, ';', nIndex ).compareToAscii( "text/plain" ) == 0 ) + { + if( aFlavor.MimeType.getToken( 0, ';', nIndex ).compareToAscii( "charset=utf-16" ) == 0 ) + aFlavor.DataType = getCppuType( (OUString *) 0 ); + else + aFlavor.DataType = getCppuType( (Sequence< sal_Int8 >*)0 ); + } + else + aFlavor.DataType = getCppuType( (Sequence< sal_Int8 >*)0 ); + + if( xTransferable->isDataFlavorSupported( aFlavor ) ) + { + Any aValue( xTransferable->getTransferData( aFlavor ) ); + if( aValue.getValueTypeClass() == TypeClass_STRING ) + { + OUString aString; + aValue >>= aString; + rData = Sequence< sal_Int8 >( (sal_Int8*)aString.getStr(), aString.getLength() * sizeof( sal_Unicode ) ); + bSuccess = true; + } + else if( aValue.getValueType() == getCppuType( (Sequence< sal_Int8 >*)0 ) ) + { + aValue >>= rData; + bSuccess = true; + } + } + else if( aFlavor.MimeType.compareToAscii( "text/plain", 10 ) == 0 ) + { + rtl_TextEncoding aEncoding = RTL_TEXTENCODING_DONTKNOW; + bool bCompoundText = false; + if( nType == m_nCOMPOUNDAtom ) + bCompoundText = true; + else + aEncoding = getTextPlainEncoding( aFlavor.MimeType ); + if( aEncoding != RTL_TEXTENCODING_DONTKNOW || bCompoundText ) + { + aFlavor.MimeType = OUString(RTL_CONSTASCII_USTRINGPARAM("text/plain;charset=utf-16")); + aFlavor.DataType = getCppuType( (OUString *) 0 ); + if( xTransferable->isDataFlavorSupported( aFlavor ) ) + { + Any aValue( xTransferable->getTransferData( aFlavor ) ); + OUString aString; + aValue >>= aString; + OString aByteString( bCompoundText ? convertToCompound( aString ) : OUStringToOString( aString, aEncoding ) ); + rData = Sequence< sal_Int8 >( (sal_Int8*)aByteString.getStr(), aByteString.getLength() * sizeof( sal_Char ) ); + bSuccess = true; + } + } + } + } + // various exceptions possible ... which all lead to a failed conversion + // so simplify here to a catch all + catch(...) + { + } + + return bSuccess; +} + +// ------------------------------------------------------------------------ + +SelectionManager& SelectionManager::get( const OUString& rDisplayName ) +{ + osl::MutexGuard aGuard( *osl::Mutex::getGlobalMutex() ); + + OUString aDisplayName( rDisplayName ); + if( ! aDisplayName.getLength() ) + aDisplayName = OStringToOUString( getenv( "DISPLAY" ), RTL_TEXTENCODING_ISO_8859_1 ); + SelectionManager* pInstance = NULL; + + ::boost::unordered_map< OUString, SelectionManager*, OUStringHash >::iterator it = getInstances().find( aDisplayName ); + if( it != getInstances().end() ) + pInstance = it->second; + else pInstance = getInstances()[ aDisplayName ] = new SelectionManager(); + + return *pInstance; +} + +// ------------------------------------------------------------------------ + +const OUString& SelectionManager::getString( Atom aAtom ) +{ + osl::MutexGuard aGuard(m_aMutex); + + ::boost::unordered_map< Atom, OUString >::const_iterator it; + if( ( it = m_aAtomToString.find( aAtom ) ) == m_aAtomToString.end() ) + { + static OUString aEmpty; + char* pAtom = m_pDisplay ? XGetAtomName( m_pDisplay, aAtom ) : NULL; + if( ! pAtom ) + return aEmpty; + OUString aString( OStringToOUString( pAtom, RTL_TEXTENCODING_ISO_8859_1 ) ); + XFree( pAtom ); + m_aStringToAtom[ aString ] = aAtom; + m_aAtomToString[ aAtom ] = aString; + } + return m_aAtomToString[ aAtom ]; +} + +// ------------------------------------------------------------------------ + +Atom SelectionManager::getAtom( const OUString& rString ) +{ + osl::MutexGuard aGuard(m_aMutex); + + ::boost::unordered_map< OUString, Atom, OUStringHash >::const_iterator it; + if( ( it = m_aStringToAtom.find( rString ) ) == m_aStringToAtom.end() ) + { + static Atom nNoDisplayAtoms = 1; + Atom aAtom = m_pDisplay ? XInternAtom( m_pDisplay, OUStringToOString( rString, RTL_TEXTENCODING_ISO_8859_1 ), False ) : nNoDisplayAtoms++; + m_aStringToAtom[ rString ] = aAtom; + m_aAtomToString[ aAtom ] = rString; + } + return m_aStringToAtom[ rString ]; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::requestOwnership( Atom selection ) +{ + bool bSuccess = false; + if( m_pDisplay && m_aWindow ) + { + osl::MutexGuard aGuard(m_aMutex); + + SelectionAdaptor* pAdaptor = getAdaptor( selection ); + if( pAdaptor ) + { + XSetSelectionOwner( m_pDisplay, selection, m_aWindow, CurrentTime ); + if( XGetSelectionOwner( m_pDisplay, selection ) == m_aWindow ) + bSuccess = true; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "%s ownership for selection %s\n", + bSuccess ? "acquired" : "failed to acquire", + OUStringToOString( getString( selection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + Selection* pSel = m_aSelections[ selection ]; + pSel->m_bOwner = bSuccess; + delete pSel->m_pPixmap; + pSel->m_pPixmap = NULL; + pSel->m_nOrigTimestamp = m_nSelectionTimestamp; + } +#if OSL_DEBUG_LEVEL > 1 + else + fprintf( stderr, "no adaptor for selection %s\n", + OUStringToOString( getString( selection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); + + if( pAdaptor->getTransferable().is() ) + { + Sequence< DataFlavor > aTypes = pAdaptor->getTransferable()->getTransferDataFlavors(); + for( int i = 0; i < aTypes.getLength(); i++ ) + { + fprintf( stderr, " %s\n", OUStringToOString( aTypes.getConstArray()[i].MimeType, RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); + } + } +#endif + } + return bSuccess; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::convertTypeToNative( const OUString& rType, Atom selection, int& rFormat, ::std::list< Atom >& rConversions, bool bPushFront ) +{ + NativeTypeEntry* pTab = selection == m_nXdndSelection ? aXdndConversionTab : aNativeConversionTab; + int nTabEntries = selection == m_nXdndSelection ? SAL_N_ELEMENTS(aXdndConversionTab) : SAL_N_ELEMENTS(aNativeConversionTab); + + OString aType( OUStringToOString( rType, RTL_TEXTENCODING_ISO_8859_1 ) ); + rFormat = 0; + for( int i = 0; i < nTabEntries; i++ ) + { + if( aType.equalsIgnoreAsciiCase( pTab[i].pType ) ) + { + if( ! pTab[i].nAtom ) + pTab[i].nAtom = getAtom( OStringToOUString( pTab[i].pNativeType, RTL_TEXTENCODING_ISO_8859_1 ) ); + rFormat = pTab[i].nFormat; + if( bPushFront ) + rConversions.push_front( pTab[i].nAtom ); + else + rConversions.push_back( pTab[i].nAtom ); + if( pTab[i].nFormat == XA_PIXMAP ) + { + if( bPushFront ) + { + rConversions.push_front( XA_VISUALID ); + rConversions.push_front( XA_COLORMAP ); + } + else + { + rConversions.push_back( XA_VISUALID ); + rConversions.push_back( XA_COLORMAP ); + } + } + } + } + if( ! rFormat ) + rFormat = 8; // byte buffer + if( bPushFront ) + rConversions.push_front( getAtom( rType ) ); + else + rConversions.push_back( getAtom( rType ) ); +}; + +// ------------------------------------------------------------------------ + +void SelectionManager::getNativeTypeList( const Sequence< DataFlavor >& rTypes, std::list< Atom >& rOutTypeList, Atom targetselection ) +{ + rOutTypeList.clear(); + + int nFormat; + int nFlavors = rTypes.getLength(); + const DataFlavor* pFlavors = rTypes.getConstArray(); + bool bHaveText = false; + for( int i = 0; i < nFlavors; i++ ) + { + if( pFlavors[i].MimeType.compareToAscii( "text/plain", 10 ) == 0) + bHaveText = true; + else + convertTypeToNative( pFlavors[i].MimeType, targetselection, nFormat, rOutTypeList ); + } + if( bHaveText ) + { + if( targetselection != m_nXdndSelection ) + { + // only mimetypes should go into Xdnd type list + rOutTypeList.push_front( XA_STRING ); + rOutTypeList.push_front( m_nCOMPOUNDAtom ); + } + convertTypeToNative( OUString(RTL_CONSTASCII_USTRINGPARAM("text/plain;charset=utf-8")), targetselection, nFormat, rOutTypeList, true ); + } + if( targetselection != m_nXdndSelection ) + rOutTypeList.push_back( m_nMULTIPLEAtom ); +} + +// ------------------------------------------------------------------------ + +OUString SelectionManager::convertTypeFromNative( Atom nType, Atom selection, int& rFormat ) +{ + NativeTypeEntry* pTab = (selection == m_nXdndSelection) ? aXdndConversionTab : aNativeConversionTab; + int nTabEntries = (selection == m_nXdndSelection) ? SAL_N_ELEMENTS(aXdndConversionTab) : SAL_N_ELEMENTS(aNativeConversionTab); + + for( int i = 0; i < nTabEntries; i++ ) + { + if( ! pTab[i].nAtom ) + pTab[i].nAtom = getAtom( OStringToOUString( pTab[i].pNativeType, RTL_TEXTENCODING_ISO_8859_1 ) ); + if( nType == pTab[i].nAtom ) + { + rFormat = pTab[i].nFormat; + return OStringToOUString( pTab[i].pType, RTL_TEXTENCODING_ISO_8859_1 ); + } + } + rFormat = 8; + return getString( nType ); +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::getPasteData( Atom selection, Atom type, Sequence< sal_Int8 >& rData ) +{ + osl::ResettableMutexGuard aGuard(m_aMutex); + ::boost::unordered_map< Atom, Selection* >::iterator it; + bool bSuccess = false; + +#if OSL_DEBUG_LEVEL > 1 + OUString aSelection( getString( selection ) ); + OUString aType( getString( type ) ); + fprintf( stderr, "getPasteData( %s, native: %s )\n", + OUStringToOString( aSelection, RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( aType, RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); +#endif + + if( ! m_pDisplay ) + return false; + + it = m_aSelections.find( selection ); + if( it == m_aSelections.end() ) + return false; + + XLIB_Window aSelectionOwner = XGetSelectionOwner( m_pDisplay, selection ); + if( aSelectionOwner == None ) + return false; + if( aSelectionOwner == m_aWindow ) + { + // probably bad timing led us here +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "Innere Nabelschau\n" ); +#endif + return false; + } + + // ICCCM recommends to destroy property before convert request unless + // parameters are transported; we do only in case of MULTIPLE, + // so destroy property unless target is MULTIPLE + if( type != m_nMULTIPLEAtom ) + XDeleteProperty( m_pDisplay, m_aWindow, selection ); + + XConvertSelection( m_pDisplay, selection, type, selection, m_aWindow, selection == m_nXdndSelection ? m_nDropTime : CurrentTime ); + it->second->m_eState = Selection::WaitingForResponse; + it->second->m_aRequestedType = type; + it->second->m_aData = Sequence< sal_Int8 >(); + it->second->m_aDataArrived.reset(); + // really start the request; if we don't flush the + // queue the request won't leave it because there are no more + // X calls after this until the data arrived or timeout + XFlush( m_pDisplay ); + + // do a reschedule + struct timeval tv_last, tv_current; + gettimeofday( &tv_last, NULL ); + tv_current = tv_last; + + XEvent aEvent; + do + { + bool bAdjustTime = false; + { + bool bHandle = false; + + if( XCheckTypedEvent( m_pDisplay, + PropertyNotify, + &aEvent + ) ) + { + bHandle = true; + if( aEvent.xproperty.window == m_aWindow + && aEvent.xproperty.atom == selection ) + bAdjustTime = true; + } + else + if( XCheckTypedEvent( m_pDisplay, + SelectionClear, + &aEvent + ) ) + { + bHandle = true; + } + else + if( XCheckTypedEvent( m_pDisplay, + SelectionRequest, + &aEvent + ) ) + bHandle = true; + else + if( XCheckTypedEvent( m_pDisplay, + SelectionNotify, + &aEvent + ) ) + { + bHandle = true; + if( aEvent.xselection.selection == selection + && ( aEvent.xselection.requestor == m_aWindow || + aEvent.xselection.requestor == m_aCurrentDropWindow ) + ) + bAdjustTime = true; + } + else + { + TimeValue aTVal; + aTVal.Seconds = 0; + aTVal.Nanosec = 100000000; + aGuard.clear(); + osl_waitThread( &aTVal ); + aGuard.reset(); + } + if( bHandle ) + { + aGuard.clear(); + handleXEvent( aEvent ); + aGuard.reset(); + } + } + gettimeofday( &tv_current, NULL ); + if( bAdjustTime ) + tv_last = tv_current; + } while( ! it->second->m_aDataArrived.check() && (tv_current.tv_sec - tv_last.tv_sec) < getSelectionTimeout() ); + +#if OSL_DEBUG_LEVEL > 1 + if( (tv_current.tv_sec - tv_last.tv_sec) > getSelectionTimeout() ) + fprintf( stderr, "timed out\n" ); +#endif + if( it->second->m_aDataArrived.check() && + it->second->m_aData.getLength() ) + { + rData = it->second->m_aData; + bSuccess = true; + } +#if OSL_DEBUG_LEVEL > 1 + else + fprintf( stderr, "conversion unsuccessfull\n" ); +#endif + return bSuccess; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::getPasteData( Atom selection, const ::rtl::OUString& rType, Sequence< sal_Int8 >& rData ) +{ + bool bSuccess = false; + + ::boost::unordered_map< Atom, Selection* >::iterator it; + { + osl::MutexGuard aGuard(m_aMutex); + + it = m_aSelections.find( selection ); + if( it == m_aSelections.end() ) + return false; + } + + if( it->second->m_aTypes.getLength() == 0 ) + { + Sequence< DataFlavor > aFlavors; + getPasteDataTypes( selection, aFlavors ); + if( it->second->m_aTypes.getLength() == 0 ) + return false; + } + + const Sequence< DataFlavor >& rTypes( it->second->m_aTypes ); + const std::vector< Atom >& rNativeTypes( it->second->m_aNativeTypes ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "getPasteData( \"%s\", \"%s\" )\n", + OUStringToOString( getString( selection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( rType, RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + + if( rType.equalsAsciiL( "text/plain;charset=utf-16", 25 ) ) + { + // lets see if we have UTF16 else try to find something convertible + if( it->second->m_aTypes.getLength() && ! it->second->m_bHaveUTF16 ) + { + Sequence< sal_Int8 > aData; + if( it->second->m_aUTF8Type != None && + getPasteData( selection, + it->second->m_aUTF8Type, + aData ) + ) + { + OUString aRet( (const sal_Char*)aData.getConstArray(), aData.getLength(), RTL_TEXTENCODING_UTF8 ); + rData = Sequence< sal_Int8 >( (sal_Int8*)aRet.getStr(), (aRet.getLength()+1)*sizeof( sal_Unicode ) ); + bSuccess = true; + } + else if( it->second->m_bHaveCompound && + getPasteData( selection, + m_nCOMPOUNDAtom, + aData ) + ) + { + OUString aRet( convertFromCompound( (const char*)aData.getConstArray(), aData.getLength() ) ); + rData = Sequence< sal_Int8 >( (sal_Int8*)aRet.getStr(), (aRet.getLength()+1)*sizeof( sal_Unicode ) ); + bSuccess = true; + } + else + { + for( int i = 0; i < rTypes.getLength(); i++ ) + { + rtl_TextEncoding aEncoding = getTextPlainEncoding( rTypes.getConstArray()[i].MimeType ); + if( aEncoding != RTL_TEXTENCODING_DONTKNOW && + aEncoding != RTL_TEXTENCODING_UNICODE && + getPasteData( selection, + rNativeTypes[i], + aData ) + ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "using \"%s\" instead of \"%s\"\n", + OUStringToOString( rTypes.getConstArray()[i].MimeType, RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( rType, RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); +#endif + OString aConvert( (sal_Char*)aData.getConstArray(), aData.getLength() ); + OUString aUTF( OStringToOUString( aConvert, aEncoding ) ); + rData = Sequence< sal_Int8 >( (sal_Int8*)aUTF.getStr(), (aUTF.getLength()+1)*sizeof( sal_Unicode ) ); + bSuccess = true; + break; + } + } + } + } + } + else if( rType.equalsAsciiL( "image/bmp", 9 ) ) + { + // #i83376# try if someone has the data in image/bmp already before + // doing the PIXMAP stuff (e.g. the gimp has this) + bSuccess = getPasteData( selection, m_nImageBmpAtom, rData ); + #if OSL_DEBUG_LEVEL > 1 + if( bSuccess ) + fprintf( stderr, "got %d bytes of image/bmp\n", (int)rData.getLength() ); + #endif + if( ! bSuccess ) + { + Pixmap aPixmap = None; + Colormap aColormap = None; + + // prepare property for MULTIPLE request + Sequence< sal_Int8 > aData; + Atom pTypes[4] = { XA_PIXMAP, XA_PIXMAP, + XA_COLORMAP, XA_COLORMAP }; + { + osl::MutexGuard aGuard(m_aMutex); + + XChangeProperty( m_pDisplay, + m_aWindow, + selection, + XA_ATOM, + 32, + PropModeReplace, + (unsigned char*)pTypes, + 4 ); + } + + // try MULTIPLE request + if( getPasteData( selection, m_nMULTIPLEAtom, aData ) ) + { + Atom* pReturnedTypes = (Atom*)aData.getArray(); + if( pReturnedTypes[0] == XA_PIXMAP && pReturnedTypes[1] == XA_PIXMAP ) + { + osl::MutexGuard aGuard(m_aMutex); + + Atom type = None; + int format = 0; + unsigned long nItems = 0; + unsigned long nBytes = 0; + unsigned char* pReturn = NULL; + XGetWindowProperty( m_pDisplay, m_aWindow, XA_PIXMAP, 0, 1, True, XA_PIXMAP, &type, &format, &nItems, &nBytes, &pReturn ); + if( pReturn ) + { + if( type == XA_PIXMAP ) + aPixmap = *(Pixmap*)pReturn; + XFree( pReturn ); + pReturn = NULL; + if( pReturnedTypes[2] == XA_COLORMAP && pReturnedTypes[3] == XA_COLORMAP ) + { + XGetWindowProperty( m_pDisplay, m_aWindow, XA_COLORMAP, 0, 1, True, XA_COLORMAP, &type, &format, &nItems, &nBytes, &pReturn ); + if( pReturn ) + { + if( type == XA_COLORMAP ) + aColormap = *(Colormap*)pReturn; + XFree( pReturn ); + } + } + } + #if OSL_DEBUG_LEVEL > 1 + else + { + fprintf( stderr, "could not get PIXMAP property: type=%s, format=%d, items=%ld, bytes=%ld, ret=0x%p\n", OUStringToOString( getString( type ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), format, nItems, nBytes, pReturn ); + } + #endif + } + } + + if( aPixmap == None ) + { + // perhaps two normal requests will work + if( getPasteData( selection, XA_PIXMAP, aData ) ) + { + aPixmap = *(Pixmap*)aData.getArray(); + if( aColormap == None && getPasteData( selection, XA_COLORMAP, aData ) ) + aColormap = *(Colormap*)aData.getArray(); + } + } + + // convert data if possible + if( aPixmap != None ) + { + osl::MutexGuard aGuard(m_aMutex); + + sal_Int32 nOutSize = 0; + sal_uInt8* pBytes = X11_getBmpFromPixmap( m_pDisplay, aPixmap, aColormap, nOutSize ); + if( pBytes && nOutSize ) + { + rData = Sequence< sal_Int8 >( nOutSize ); + memcpy( rData.getArray(), pBytes, nOutSize ); + X11_freeBmp( pBytes ); + bSuccess = true; + } + } + } + } + + if( ! bSuccess ) + { + int nFormat; + ::std::list< Atom > aTypes; + convertTypeToNative( rType, selection, nFormat, aTypes ); + ::std::list< Atom >::const_iterator type_it; + Atom nSelectedType = None; + for( type_it = aTypes.begin(); type_it != aTypes.end() && nSelectedType == None; ++type_it ) + { + for( unsigned int i = 0; i < rNativeTypes.size() && nSelectedType == None; i++ ) + if( rNativeTypes[i] == *type_it ) + nSelectedType = *type_it; + } + if( nSelectedType != None ) + bSuccess = getPasteData( selection, nSelectedType, rData ); + } +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "getPasteData for selection %s and data type %s returns %s, returned sequence has length %" SAL_PRIdINT32 "\n", + OUStringToOString( getString( selection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( rType, RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + bSuccess ? "true" : "false", + rData.getLength() + ); +#endif + return bSuccess; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::getPasteDataTypes( Atom selection, Sequence< DataFlavor >& rTypes ) +{ + ::boost::unordered_map< Atom, Selection* >::iterator it; + { + osl::MutexGuard aGuard(m_aMutex); + + it = m_aSelections.find( selection ); + if( it != m_aSelections.end() && + it->second->m_aTypes.getLength() && + abs( it->second->m_nLastTimestamp - time( NULL ) ) < 2 + ) + { + rTypes = it->second->m_aTypes; + return true; + } + } + + bool bSuccess = false; + bool bHaveUTF16 = false; + Atom aUTF8Type = None; + bool bHaveCompound = false; + bool bHaveText = false; + Sequence< sal_Int8 > aAtoms; + + if( selection == m_nXdndSelection ) + { + // xdnd sends first three types with XdndEnter + // if more than three types are supported then the XDndTypeList + // property on the source window is used + if( m_aDropEnterEvent.data.l[0] && m_aCurrentDropWindow ) + { + if( m_aDropEnterEvent.data.l[1] & 1 ) + { + const unsigned int atomcount = 256; + // more than three types; look in property + osl::MutexGuard aGuard(m_aMutex); + + Atom nType; + int nFormat; + unsigned long nItems, nBytes; + unsigned char* pBytes = NULL; + + XGetWindowProperty( m_pDisplay, m_aDropEnterEvent.data.l[0], + m_nXdndTypeList, 0, atomcount, False, + XA_ATOM, + &nType, &nFormat, &nItems, &nBytes, &pBytes ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "have %ld data types in XdndTypeList\n", nItems ); +#endif + if( nItems == atomcount && nBytes > 0 ) + { + // wow ... more than 256 types ! + aAtoms.realloc( sizeof( Atom )*atomcount+nBytes ); + memcpy( aAtoms.getArray(), pBytes, sizeof( Atom )*atomcount ); + XFree( pBytes ); + pBytes = NULL; + XGetWindowProperty( m_pDisplay, m_aDropEnterEvent.data.l[0], + m_nXdndTypeList, atomcount, nBytes/sizeof(Atom), + False, XA_ATOM, + &nType, &nFormat, &nItems, &nBytes, &pBytes ); + { + memcpy( aAtoms.getArray()+atomcount*sizeof(Atom), pBytes, nItems*sizeof(Atom) ); + XFree( pBytes ); + } + } + else + { + aAtoms.realloc( sizeof(Atom)*nItems ); + memcpy( aAtoms.getArray(), pBytes, nItems*sizeof(Atom) ); + XFree( pBytes ); + } + } + else + { + // one to three types + int n = 0, i; + for( i = 0; i < 3; i++ ) + if( m_aDropEnterEvent.data.l[2+i] ) + n++; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "have %d data types in XdndEnter\n", n ); +#endif + aAtoms.realloc( sizeof(Atom)*n ); + for( i = 0, n = 0; i < 3; i++ ) + if( m_aDropEnterEvent.data.l[2+i] ) + ((Atom*)aAtoms.getArray())[n++] = m_aDropEnterEvent.data.l[2+i]; + } + } + } + // get data of type TARGETS + else if( ! getPasteData( selection, m_nTARGETSAtom, aAtoms ) ) + aAtoms = Sequence< sal_Int8 >(); + + std::vector< Atom > aNativeTypes; + if( aAtoms.getLength() ) + { + sal_Int32 nAtoms = aAtoms.getLength() / sizeof(Atom); + Atom* pAtoms = (Atom*)aAtoms.getArray(); + rTypes.realloc( nAtoms ); + aNativeTypes.resize( nAtoms ); + DataFlavor* pFlavors = rTypes.getArray(); + sal_Int32 nNativeTypesIndex = 0; + while( nAtoms-- ) + { +#if OSL_DEBUG_LEVEL > 1 + if( *pAtoms && *pAtoms < 0x01000000 ) + fprintf( stderr, "native type: %s\n", OUStringToOString( getString( *pAtoms ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + if( *pAtoms == m_nCOMPOUNDAtom ) + bHaveText = bHaveCompound = true; + else if( *pAtoms && *pAtoms < 0x01000000 ) + { + int nFormat; + pFlavors->MimeType = convertTypeFromNative( *pAtoms, selection, nFormat ); + pFlavors->DataType = getCppuType( (Sequence< sal_Int8 >*)0 ); + sal_Int32 nIndex = 0; + if( pFlavors->MimeType.getToken( 0, ';', nIndex ).equalsAsciiL( "text/plain", 10 ) ) + { + OUString aToken(pFlavors->MimeType.getToken( 0, ';', nIndex )); + // omit text/plain;charset=unicode since it is not well defined + if( aToken.compareToAscii( "charset=unicode" ) == 0 ) + { + pAtoms++; + continue; + } + bHaveText = true; + if( aToken.compareToAscii( "charset=utf-16" ) == 0 ) + { + bHaveUTF16 = true; + pFlavors->DataType = getCppuType( (OUString*)0 ); + } + else if( aToken.compareToAscii( "charset=utf-8" ) == 0 ) + { + aUTF8Type = *pAtoms; + } + } + pFlavors++; + aNativeTypes[ nNativeTypesIndex ] = *pAtoms; + nNativeTypesIndex++; + } + pAtoms++; + } + if( (pFlavors - rTypes.getArray()) < rTypes.getLength() ) + rTypes.realloc(pFlavors - rTypes.getArray()); + bSuccess = rTypes.getLength() ? true : false; + if( bHaveText && ! bHaveUTF16 ) + { + int i = 0; + + int nNewFlavors = rTypes.getLength()+1; + Sequence< DataFlavor > aTemp( nNewFlavors ); + for( i = 0; i < nNewFlavors-1; i++ ) + aTemp.getArray()[i+1] = rTypes.getConstArray()[i]; + aTemp.getArray()[0].MimeType = OUString(RTL_CONSTASCII_USTRINGPARAM("text/plain;charset=utf-16")); + aTemp.getArray()[0].DataType = getCppuType( (OUString*)0 ); + rTypes = aTemp; + + std::vector< Atom > aNativeTemp( nNewFlavors ); + for( i = 0; i < nNewFlavors-1; i++ ) + aNativeTemp[ i + 1 ] = aNativeTypes[ i ]; + aNativeTemp[0] = None; + aNativeTypes = aNativeTemp; + } + } + + { + osl::MutexGuard aGuard(m_aMutex); + + it = m_aSelections.find( selection ); + if( it != m_aSelections.end() ) + { + if( bSuccess ) + { + it->second->m_aTypes = rTypes; + it->second->m_aNativeTypes = aNativeTypes; + it->second->m_nLastTimestamp = time( NULL ); + it->second->m_bHaveUTF16 = bHaveUTF16; + it->second->m_aUTF8Type = aUTF8Type; + it->second->m_bHaveCompound = bHaveCompound; + } + else + { + it->second->m_aTypes = Sequence< DataFlavor >(); + it->second->m_aNativeTypes = std::vector< Atom >(); + it->second->m_nLastTimestamp = 0; + it->second->m_bHaveUTF16 = false; + it->second->m_aUTF8Type = None; + it->second->m_bHaveCompound = false; + } + } + } + +#if OSL_DEBUG_LEVEL > 1 + { + fprintf( stderr, "SelectionManager::getPasteDataTypes( %s ) = %s\n", OUStringToOString( getString( selection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), bSuccess ? "true" : "false" ); + for( int i = 0; i < rTypes.getLength(); i++ ) + fprintf( stderr, "type: %s\n", OUStringToOString( rTypes.getConstArray()[i].MimeType, RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); + } +#endif + + return bSuccess; +} + +// ------------------------------------------------------------------------ + +PixmapHolder* SelectionManager::getPixmapHolder( Atom selection ) +{ + boost::unordered_map< Atom, Selection* >::const_iterator it = m_aSelections.find( selection ); + if( it == m_aSelections.end() ) + return NULL; + if( ! it->second->m_pPixmap ) + it->second->m_pPixmap = new PixmapHolder( m_pDisplay ); + return it->second->m_pPixmap; +} + +static sal_Size GetTrueFormatSize(int nFormat) +{ + // http://mail.gnome.org/archives/wm-spec-list/2003-March/msg00067.html + return nFormat == 32 ? sizeof(long) : nFormat/8; +} + +bool SelectionManager::sendData( SelectionAdaptor* pAdaptor, + XLIB_Window requestor, + Atom target, + Atom property, + Atom selection ) +{ + osl::ResettableMutexGuard aGuard( m_aMutex ); + + // handle targets related to image/bmp + if( target == XA_COLORMAP || target == XA_PIXMAP || target == XA_BITMAP || target == XA_VISUALID ) + { + PixmapHolder* pPixmap = getPixmapHolder( selection ); + if( ! pPixmap ) return false; + XID nValue = None; + + // handle colormap request + if( target == XA_COLORMAP ) + nValue = (XID)pPixmap->getColormap(); + else if( target == XA_VISUALID ) + nValue = (XID)pPixmap->getVisualID(); + else if( target == XA_PIXMAP || target == XA_BITMAP ) + { + nValue = (XID)pPixmap->getPixmap(); + if( nValue == None ) + { + // first conversion + Sequence< sal_Int8 > aData; + int nFormat; + aGuard.clear(); + bool bConverted = convertData( pAdaptor->getTransferable(), target, selection, nFormat, aData ); + aGuard.reset(); + if( bConverted ) + { + // get pixmap again since clearing the guard could have invalidated + // the pixmap in another thread + pPixmap = getPixmapHolder( selection ); + // conversion succeeded, so aData contains image/bmp now + if( pPixmap->needsConversion( (const sal_uInt8*)aData.getConstArray() ) + && m_xBitmapConverter.is() ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "trying bitmap conversion\n" ); +#endif + css::uno::Reference<XBitmap> xBM( new BmpTransporter( aData ) ); + Sequence<Any> aArgs(2), aOutArgs; + Sequence<sal_Int16> aOutIndex; + aArgs.getArray()[0] = makeAny( xBM ); + aArgs.getArray()[1] = makeAny( (sal_uInt16)pPixmap->getDepth() ); + aGuard.clear(); + try + { + Any aResult = + m_xBitmapConverter->invoke( OUString(RTL_CONSTASCII_USTRINGPARAM("convert-bitmap-depth")), + aArgs, aOutIndex, aOutArgs ); + if( aResult >>= xBM ) + aData = xBM->getDIB(); + } + catch(...) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "exception in bitmap converter\n" ); +#endif + } + aGuard.reset(); + } + // get pixmap again since clearing the guard could have invalidated + // the pixmap in another thread + pPixmap = getPixmapHolder( selection ); + nValue = (XID)pPixmap->setBitmapData( (const sal_uInt8*)aData.getConstArray() ); + } + if( nValue == None ) + return false; + } + if( target == XA_BITMAP ) + nValue = (XID)pPixmap->getBitmap(); + } + + XChangeProperty( m_pDisplay, + requestor, + property, + target, + 32, + PropModeReplace, + (const unsigned char*)&nValue, + 1); + return true; + } + + /* + * special target TEXT allows us to transfer + * the data in an encoding of our choice + * COMPOUND_TEXT will work with most applications + */ + if( target == m_nTEXTAtom ) + target = m_nCOMPOUNDAtom; + + Sequence< sal_Int8 > aData; + int nFormat; + aGuard.clear(); + bool bConverted = convertData( pAdaptor->getTransferable(), target, selection, nFormat, aData ); + aGuard.reset(); + if( bConverted ) + { + // conversion succeeded + if( aData.getLength() > m_nIncrementalThreshold ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "using INCR protocol\n" ); + boost::unordered_map< XLIB_Window, boost::unordered_map< Atom, IncrementalTransfer > >::const_iterator win_it = m_aIncrementals.find( requestor ); + if( win_it != m_aIncrementals.end() ) + { + boost::unordered_map< Atom, IncrementalTransfer >::const_iterator inc_it = win_it->second.find( property ); + if( inc_it != win_it->second.end() ) + { + const IncrementalTransfer& rInc = inc_it->second; + fprintf( stderr, "premature end and new start for INCR transfer for window 0x%lx, property %s, type %s\n", + rInc.m_aRequestor, + OUStringToOString( getString( rInc.m_aProperty ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( getString( rInc.m_aTarget ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); + } + } +#endif + + // insert IncrementalTransfer + IncrementalTransfer& rInc = m_aIncrementals[ requestor ][ property ]; + rInc.m_aData = aData; + rInc.m_nBufferPos = 0; + rInc.m_aRequestor = requestor; + rInc.m_aProperty = property; + rInc.m_aTarget = target; + rInc.m_nFormat = nFormat; + rInc.m_nTransferStartTime = time( NULL ); + + // use incr protocol, signal start to requestor + long nMinSize = m_nIncrementalThreshold; + XSelectInput( m_pDisplay, requestor, PropertyChangeMask ); + XChangeProperty( m_pDisplay, requestor, property, + m_nINCRAtom, 32, PropModeReplace, (unsigned char*)&nMinSize, 1 ); + XFlush( m_pDisplay ); + } + else + { + sal_Size nUnitSize = GetTrueFormatSize(nFormat); + XChangeProperty( m_pDisplay, + requestor, + property, + target, + nFormat, + PropModeReplace, + (const unsigned char*)aData.getConstArray(), + aData.getLength()/nUnitSize ); + } + } +#if OSL_DEBUG_LEVEL > 1 + else + fprintf( stderr, "convertData failed for type: %s \n", + OUStringToOString( convertTypeFromNative( target, selection, nFormat ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + return bConverted; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::handleSelectionRequest( XSelectionRequestEvent& rRequest ) +{ + osl::ResettableMutexGuard aGuard( m_aMutex ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "handleSelectionRequest for selection %s and target %s\n", + OUStringToOString( getString( rRequest.selection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( getString( rRequest.target ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); +#endif + + XEvent aNotify; + + aNotify.type = SelectionNotify; + aNotify.xselection.display = rRequest.display; + aNotify.xselection.send_event = True; + aNotify.xselection.requestor = rRequest.requestor; + aNotify.xselection.selection = rRequest.selection; + aNotify.xselection.time = rRequest.time; + aNotify.xselection.target = rRequest.target; + aNotify.xselection.property = None; + + SelectionAdaptor* pAdaptor = getAdaptor( rRequest.selection ); + // ensure that we still own that selection + if( pAdaptor && + XGetSelectionOwner( m_pDisplay, rRequest.selection ) == m_aWindow ) + { + css::uno::Reference< XTransferable > xTrans( pAdaptor->getTransferable() ); + if( rRequest.target == m_nTARGETSAtom ) + { + // someone requests our types + if( xTrans.is() ) + { + aGuard.clear(); + Sequence< DataFlavor > aFlavors = xTrans->getTransferDataFlavors(); + aGuard.reset(); + + ::std::list< Atom > aConversions; + getNativeTypeList( aFlavors, aConversions, rRequest.selection ); + + int i, nTypes = aConversions.size(); + Atom* pTypes = (Atom*)alloca( nTypes * sizeof( Atom ) ); + std::list< Atom >::const_iterator it; + for( i = 0, it = aConversions.begin(); i < nTypes; i++, ++it ) + pTypes[i] = *it; + XChangeProperty( m_pDisplay, rRequest.requestor, rRequest.property, + XA_ATOM, 32, PropModeReplace, (const unsigned char*)pTypes, nTypes ); + aNotify.xselection.property = rRequest.property; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "sending type list:\n" ); + for( int k = 0; k < nTypes; k++ ) + fprintf( stderr, " %s\n", pTypes[k] ? XGetAtomName( m_pDisplay, pTypes[k] ) : "<None>" ); +#endif + } + } + else if( rRequest.target == m_nTIMESTAMPAtom ) + { + long nTimeStamp = (long)m_aSelections[rRequest.selection]->m_nOrigTimestamp; + XChangeProperty( m_pDisplay, rRequest.requestor, rRequest.property, + XA_INTEGER, 32, PropModeReplace, (const unsigned char*)&nTimeStamp, 1 ); + aNotify.xselection.property = rRequest.property; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "sending timestamp: %d\n", (int)nTimeStamp ); +#endif + } + else + { + bool bEventSuccess = false; + if( rRequest.target == m_nMULTIPLEAtom ) + { + // get all targets + Atom nType = None; + int nFormat = 0; + unsigned long nItems = 0, nBytes = 0; + unsigned char* pData = NULL; + + // get number of atoms + XGetWindowProperty( m_pDisplay, + rRequest.requestor, + rRequest.property, + 0, 0, + False, + AnyPropertyType, + &nType, &nFormat, + &nItems, &nBytes, + &pData ); + if( nFormat == 32 && nBytes/4 ) + { + if( pData ) // ?? should not happen + { + XFree( pData ); + pData = NULL; + } + XGetWindowProperty( m_pDisplay, + rRequest.requestor, + rRequest.property, + 0, nBytes/4, + False, + nType, + &nType, &nFormat, + &nItems, &nBytes, + &pData ); + if( pData && nItems ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "found %ld atoms in MULTIPLE request\n", nItems ); +#endif + bEventSuccess = true; + bool bResetAtoms = false; + Atom* pAtoms = (Atom*)pData; + aGuard.clear(); + for( unsigned int i = 0; i < nItems; i += 2 ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, " %s => %s: ", + OUStringToOString( getString( pAtoms[i] ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( getString( pAtoms[i+1] ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + bool bSuccess = sendData( pAdaptor, rRequest.requestor, pAtoms[i], pAtoms[i+1], rRequest.selection ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "%s\n", bSuccess ? "succeeded" : "failed" ); +#endif + if( ! bSuccess ) + { + pAtoms[i] = None; + bResetAtoms = true; + } + } + aGuard.reset(); + if( bResetAtoms ) + XChangeProperty( m_pDisplay, + rRequest.requestor, + rRequest.property, + XA_ATOM, + 32, + PropModeReplace, + pData, + nBytes/4 ); + } + if( pData ) + XFree( pData ); + } +#if OSL_DEBUG_LEVEL > 1 + else + { + fprintf( stderr, "could not get type list from \"%s\" of type \"%s\" on requestor 0x%lx, requestor has properties:", + OUStringToOString( getString( rRequest.property ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( getString( nType ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + rRequest.requestor ); + int nProps = 0; + Atom* pProps = XListProperties( m_pDisplay, rRequest.requestor, &nProps ); + if( pProps ) + { + for( int i = 0; i < nProps; i++ ) + fprintf( stderr, " \"%s\"", OUStringToOString( getString( pProps[i]), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); + XFree( pProps ); + } + fprintf( stderr, "\n" ); + } +#endif + } + else + { + aGuard.clear(); + bEventSuccess = sendData( pAdaptor, rRequest.requestor, rRequest.target, rRequest.property, rRequest.selection ); + aGuard.reset(); + } + if( bEventSuccess ) + { + aNotify.xselection.target = rRequest.target; + aNotify.xselection.property = rRequest.property; + } + } + aGuard.clear(); + xTrans.clear(); + aGuard.reset(); + } + XSendEvent( m_pDisplay, rRequest.requestor, False, 0, &aNotify ); + + if( rRequest.selection == XA_PRIMARY && + m_bWaitingForPrimaryConversion && + m_xDragSourceListener.is() ) + { + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, rRequest.time, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + if( aNotify.xselection.property != None ) + { + dsde.DropAction = DNDConstants::ACTION_COPY; + dsde.DropSuccess = sal_True; + } + else + { + dsde.DropAction = DNDConstants::ACTION_NONE; + dsde.DropSuccess = sal_False; + } + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + m_xDragSourceListener.clear(); + aGuard.clear(); + if( xListener.is() ) + xListener->dragDropEnd( dsde ); + } + + // we handled the event in any case by answering + return true; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::handleReceivePropertyNotify( XPropertyEvent& rNotify ) +{ + osl::MutexGuard aGuard( m_aMutex ); + // data we requested arrived +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "handleReceivePropertyNotify for property %s\n", + OUStringToOString( getString( rNotify.atom ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + bool bHandled = false; + + ::boost::unordered_map< Atom, Selection* >::iterator it = + m_aSelections.find( rNotify.atom ); + if( it != m_aSelections.end() && + rNotify.state == PropertyNewValue && + ( it->second->m_eState == Selection::WaitingForResponse || + it->second->m_eState == Selection::WaitingForData || + it->second->m_eState == Selection::IncrementalTransfer + ) + ) + { + // MULTIPLE requests are only complete after selection notify + if( it->second->m_aRequestedType == m_nMULTIPLEAtom && + ( it->second->m_eState == Selection::WaitingForResponse || + it->second->m_eState == Selection::WaitingForData ) ) + return false; + + bHandled = true; + + Atom nType = None; + int nFormat = 0; + unsigned long nItems = 0, nBytes = 0; + unsigned char* pData = NULL; + + // get type and length + XGetWindowProperty( m_pDisplay, + rNotify.window, + rNotify.atom, + 0, 0, + False, + AnyPropertyType, + &nType, &nFormat, + &nItems, &nBytes, + &pData ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "found %ld bytes data of type %s and format %d, items = %ld\n", + nBytes, + OUStringToOString( getString( nType ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + nFormat, nItems ); +#endif + if( pData ) + { + XFree( pData ); + pData = NULL; + } + + if( nType == m_nINCRAtom ) + { + // start data transfer + XDeleteProperty( m_pDisplay, rNotify.window, rNotify.atom ); + it->second->m_eState = Selection::IncrementalTransfer; + } + else if( nType != None ) + { + XGetWindowProperty( m_pDisplay, + rNotify.window, + rNotify.atom, + 0, nBytes/4 +1, + True, + nType, + &nType, &nFormat, + &nItems, &nBytes, + &pData ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "read %ld items data of type %s and format %d, %ld bytes left in property\n", + nItems, + OUStringToOString( getString( nType ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + nFormat, nBytes ); +#endif + + sal_Size nUnitSize = GetTrueFormatSize(nFormat); + + if( it->second->m_eState == Selection::WaitingForData || + it->second->m_eState == Selection::WaitingForResponse ) + { + // copy data + it->second->m_aData = Sequence< sal_Int8 >( (sal_Int8*)pData, nItems*nUnitSize ); + it->second->m_eState = Selection::Inactive; + it->second->m_aDataArrived.set(); + } + else if( it->second->m_eState == Selection::IncrementalTransfer ) + { + if( nItems ) + { + // append data + Sequence< sal_Int8 > aData( it->second->m_aData.getLength() + nItems*nUnitSize ); + memcpy( aData.getArray(), it->second->m_aData.getArray(), it->second->m_aData.getLength() ); + memcpy( aData.getArray() + it->second->m_aData.getLength(), pData, nItems*nUnitSize ); + it->second->m_aData = aData; + } + else + { + it->second->m_eState = Selection::Inactive; + it->second->m_aDataArrived.set(); + } + } + if( pData ) + XFree( pData ); + } + else if( it->second->m_eState == Selection::IncrementalTransfer ) + { + it->second->m_eState = Selection::Inactive; + it->second->m_aDataArrived.set(); + } + } + return bHandled; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::handleSendPropertyNotify( XPropertyEvent& rNotify ) +{ + osl::MutexGuard aGuard( m_aMutex ); + + // ready for next part of a IncrementalTransfer +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "handleSendPropertyNotify for property %s (%s)\n", + OUStringToOString( getString( rNotify.atom ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + rNotify.state == PropertyNewValue ? "new value" : ( rNotify.state == PropertyDelete ? "deleted" : "unknown") + ); +#endif + + bool bHandled = false; + // feed incrementals + if( rNotify.state == PropertyDelete ) + { + boost::unordered_map< XLIB_Window, boost::unordered_map< Atom, IncrementalTransfer > >::iterator it; + it = m_aIncrementals.find( rNotify.window ); + if( it != m_aIncrementals.end() ) + { + bHandled = true; + int nCurrentTime = time( NULL ); + boost::unordered_map< Atom, IncrementalTransfer >::iterator inc_it; + // throw out aborted transfers + std::list< Atom > aTimeouts; + for( inc_it = it->second.begin(); inc_it != it->second.end(); ++inc_it ) + { + if( (nCurrentTime - inc_it->second.m_nTransferStartTime) > (getSelectionTimeout()+2) ) + { + aTimeouts.push_back( inc_it->first ); +#if OSL_DEBUG_LEVEL > 1 + const IncrementalTransfer& rInc = inc_it->second; + fprintf( stderr, "timeout on INCR transfer for window 0x%lx, property %s, type %s\n", + rInc.m_aRequestor, + OUStringToOString( getString( rInc.m_aProperty ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( getString( rInc.m_aTarget ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); +#endif + } + } + + while( aTimeouts.begin() != aTimeouts.end() ) + { + // transfer broken, might even be a new client with the + // same window id + it->second.erase( aTimeouts.front() ); + aTimeouts.pop_front(); + } + + inc_it = it->second.find( rNotify.atom ); + if( inc_it != it->second.end() ) + { + IncrementalTransfer& rInc = inc_it->second; + + int nBytes = rInc.m_aData.getLength() - rInc.m_nBufferPos; + nBytes = (nBytes > m_nIncrementalThreshold) ? m_nIncrementalThreshold : nBytes; + if( nBytes < 0 ) // sanity check + nBytes = 0; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "pushing %d bytes: \"%.*s\"...\n", + nBytes, nBytes > 32 ? 32 : nBytes, + (const unsigned char*)rInc.m_aData.getConstArray()+rInc.m_nBufferPos ); +#endif + + sal_Size nUnitSize = GetTrueFormatSize(rInc.m_nFormat); + + XChangeProperty( m_pDisplay, + rInc.m_aRequestor, + rInc.m_aProperty, + rInc.m_aTarget, + rInc.m_nFormat, + PropModeReplace, + (const unsigned char*)rInc.m_aData.getConstArray()+rInc.m_nBufferPos, + nBytes/nUnitSize ); + rInc.m_nBufferPos += nBytes; + rInc.m_nTransferStartTime = nCurrentTime; + + if( nBytes == 0 ) // transfer finished + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "finished INCR transfer for window 0x%lx, property %s, type %s\n", + rInc.m_aRequestor, + OUStringToOString( getString( rInc.m_aProperty ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( getString( rInc.m_aTarget ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); +#endif + it->second.erase( inc_it ); + } + + } + // eventually clean up the hash map + if( it->second.begin() == it->second.end() ) + m_aIncrementals.erase( it ); + } + } + return bHandled; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::handleSelectionNotify( XSelectionEvent& rNotify ) +{ + osl::MutexGuard aGuard( m_aMutex ); + + bool bHandled = false; + + // notification about success/failure of one of our conversion requests +#if OSL_DEBUG_LEVEL > 1 + OUString aSelection( getString( rNotify.selection ) ); + OUString aProperty(RTL_CONSTASCII_USTRINGPARAM("None")); + if( rNotify.property ) + aProperty = getString( rNotify.property ); + fprintf( stderr, "handleSelectionNotify for selection %s and property %s (0x%lx)\n", + OUStringToOString( aSelection, RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + OUStringToOString( aProperty, RTL_TEXTENCODING_ISO_8859_1 ).getStr(), + rNotify.property + ); + if( rNotify.requestor != m_aWindow && rNotify.requestor != m_aCurrentDropWindow ) + fprintf( stderr, "Warning: selection notify for unknown window 0x%lx\n", rNotify.requestor ); +#endif + ::boost::unordered_map< Atom, Selection* >::iterator it = + m_aSelections.find( rNotify.selection ); + if ( + (rNotify.requestor == m_aWindow || rNotify.requestor == m_aCurrentDropWindow) && + it != m_aSelections.end() && + ( + (it->second->m_eState == Selection::WaitingForResponse) || + (it->second->m_eState == Selection::WaitingForData) + ) + ) + { + bHandled = true; + if( it->second->m_aRequestedType == m_nMULTIPLEAtom ) + { + Atom nType = None; + int nFormat = 0; + unsigned long nItems = 0, nBytes = 0; + unsigned char* pData = NULL; + + // get type and length + XGetWindowProperty( m_pDisplay, + rNotify.requestor, + rNotify.property, + 0, 256, + False, + AnyPropertyType, + &nType, &nFormat, + &nItems, &nBytes, + &pData ); + if( nBytes ) // HUGE request !!! + { + if( pData ) + XFree( pData ); + XGetWindowProperty( m_pDisplay, + rNotify.requestor, + rNotify.property, + 0, 256+(nBytes+3)/4, + False, + AnyPropertyType, + &nType, &nFormat, + &nItems, &nBytes, + &pData ); + } + it->second->m_eState = Selection::Inactive; + sal_Size nUnitSize = GetTrueFormatSize(nFormat); + it->second->m_aData = Sequence< sal_Int8 >((sal_Int8*)pData, nItems * nUnitSize); + it->second->m_aDataArrived.set(); + if( pData ) + XFree( pData ); + } + // WaitingForData can actually happen; some + // applications (e.g. cmdtool on Solaris) first send + // a success and then cancel it. Weird ! + else if( rNotify.property == None ) + { + // conversion failed, stop transfer + it->second->m_eState = Selection::Inactive; + it->second->m_aData = Sequence< sal_Int8 >(); + it->second->m_aDataArrived.set(); + } + // get the bytes, by INCR if necessary + else + it->second->m_eState = Selection::WaitingForData; + } +#if OSL_DEBUG_LEVEL > 1 + else if( it != m_aSelections.end() ) + fprintf( stderr, "Warning: selection in state %d\n", it->second->m_eState ); +#endif + return bHandled; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::handleDropEvent( XClientMessageEvent& rMessage ) +{ + osl::ResettableMutexGuard aGuard(m_aMutex); + + // handle drop related events + XLIB_Window aSource = rMessage.data.l[0]; + XLIB_Window aTarget = rMessage.window; + + bool bHandled = false; + + ::boost::unordered_map< XLIB_Window, DropTargetEntry >::iterator it = + m_aDropTargets.find( aTarget ); + +#if OSL_DEBUG_LEVEL > 1 + if( rMessage.message_type == m_nXdndEnter || + rMessage.message_type == m_nXdndLeave || + rMessage.message_type == m_nXdndDrop || + rMessage.message_type == m_nXdndPosition ) + { + fprintf( stderr, "got drop event %s, ", OUStringToOString( getString( rMessage.message_type ), RTL_TEXTENCODING_ASCII_US).getStr() ); + if( it == m_aDropTargets.end() ) + fprintf( stderr, "but no target found\n" ); + else if( ! it->second.m_pTarget->m_bActive ) + fprintf( stderr, "but target is inactive\n" ); + else if( m_aDropEnterEvent.data.l[0] != None && (XLIB_Window)m_aDropEnterEvent.data.l[0] != aSource ) + fprintf( stderr, "but source 0x%lx is unknown (expected 0x%lx or 0)\n", aSource, m_aDropEnterEvent.data.l[0] ); + else + fprintf( stderr, "processing.\n" ); + } +#endif + + if( it != m_aDropTargets.end() && it->second.m_pTarget->m_bActive && + m_bDropWaitingForCompletion && m_aDropEnterEvent.data.l[0] ) + { + bHandled = true; + OSL_FAIL( "someone forgot to call dropComplete ?" ); + // some listener forgot to call dropComplete in the last operation + // let us end it now and accept the new enter event + aGuard.clear(); + dropComplete( sal_False, m_aCurrentDropWindow, m_nDropTime ); + aGuard.reset(); + } + + if( it != m_aDropTargets.end() && + it->second.m_pTarget->m_bActive && + ( m_aDropEnterEvent.data.l[0] == None || XLIB_Window(m_aDropEnterEvent.data.l[0]) == aSource ) + ) + { + if( rMessage.message_type == m_nXdndEnter ) + { + bHandled = true; + m_aDropEnterEvent = rMessage; + m_bDropEnterSent = false; + m_aCurrentDropWindow = aTarget; + m_nCurrentProtocolVersion = m_aDropEnterEvent.data.l[1] >> 24; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "received XdndEnter on 0x%lx\n", aTarget ); +#endif + } + else if( + rMessage.message_type == m_nXdndPosition && + aSource == XLIB_Window(m_aDropEnterEvent.data.l[0]) + ) + { + bHandled = true; + m_nDropTime = m_nCurrentProtocolVersion > 0 ? rMessage.data.l[3] : CurrentTime; + if( ! m_bDropEnterSent ) + m_nDropTimestamp = m_nDropTime; + + XLIB_Window aChild; + XTranslateCoordinates( m_pDisplay, + it->second.m_aRootWindow, + it->first, + rMessage.data.l[2] >> 16, + rMessage.data.l[2] & 0xffff, + &m_nLastX, &m_nLastY, + &aChild ); + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "received XdndPosition on 0x%lx (%d, %d)\n", aTarget, m_nLastX, m_nLastY ); +#endif + DropTargetDragEnterEvent aEvent; + aEvent.Source = static_cast< XDropTarget* >(it->second.m_pTarget); + aEvent.Context = new DropTargetDragContext( m_aCurrentDropWindow, m_nDropTimestamp, *this ); + aEvent.LocationX = m_nLastX; + aEvent.LocationY = m_nLastY; + aEvent.SourceActions = m_nSourceActions; + if( m_nCurrentProtocolVersion < 2 ) + aEvent.DropAction = DNDConstants::ACTION_COPY; + else if( Atom(rMessage.data.l[4]) == m_nXdndActionCopy ) + aEvent.DropAction = DNDConstants::ACTION_COPY; + else if( Atom(rMessage.data.l[4]) == m_nXdndActionMove ) + aEvent.DropAction = DNDConstants::ACTION_MOVE; + else if( Atom(rMessage.data.l[4]) == m_nXdndActionLink ) + aEvent.DropAction = DNDConstants::ACTION_LINK; + else if( Atom(rMessage.data.l[4]) == m_nXdndActionAsk ) + // currently no interface to implement ask + aEvent.DropAction = ~0; + else + aEvent.DropAction = DNDConstants::ACTION_NONE; + + m_nLastDropAction = aEvent.DropAction; + if( ! m_bDropEnterSent ) + { + m_bDropEnterSent = true; + aEvent.SupportedDataFlavors = m_xDropTransferable->getTransferDataFlavors(); + aGuard.clear(); + it->second->dragEnter( aEvent ); + } + else + { + aGuard.clear(); + it->second->dragOver( aEvent ); + } + } + else if( + rMessage.message_type == m_nXdndLeave && + aSource == XLIB_Window(m_aDropEnterEvent.data.l[0]) + ) + { + bHandled = true; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "received XdndLeave on 0x%lx\n", aTarget ); +#endif + DropTargetEvent aEvent; + aEvent.Source = static_cast< XDropTarget* >(it->second.m_pTarget); + m_aDropEnterEvent.data.l[0] = None; + if( m_aCurrentDropWindow == aTarget ) + m_aCurrentDropWindow = None; + m_nCurrentProtocolVersion = nXdndProtocolRevision; + aGuard.clear(); + it->second->dragExit( aEvent ); + } + else if( + rMessage.message_type == m_nXdndDrop && + aSource == XLIB_Window(m_aDropEnterEvent.data.l[0]) + ) + { + bHandled = true; + m_nDropTime = m_nCurrentProtocolVersion > 0 ? rMessage.data.l[2] : CurrentTime; + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "received XdndDrop on 0x%lx (%d, %d)\n", aTarget, m_nLastX, m_nLastY ); +#endif + if( m_bLastDropAccepted ) + { + DropTargetDropEvent aEvent; + aEvent.Source = static_cast< XDropTarget* >(it->second.m_pTarget); + aEvent.Context = new DropTargetDropContext( m_aCurrentDropWindow, m_nDropTimestamp, *this ); + aEvent.LocationX = m_nLastX; + aEvent.LocationY = m_nLastY; + aEvent.DropAction = m_nLastDropAction; + // there is nothing corresponding to source supported actions + // every source can do link, copy and move + aEvent.SourceActions= m_nLastDropAction; + aEvent.Transferable = m_xDropTransferable; + + m_bDropWaitingForCompletion = true; + aGuard.clear(); + it->second->drop( aEvent ); + } + else + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "XdndDrop canceled due to m_bLastDropAccepted = fale\n" ); +#endif + DropTargetEvent aEvent; + aEvent.Source = static_cast< XDropTarget* >(it->second.m_pTarget); + aGuard.clear(); + it->second->dragExit( aEvent ); + // reset the drop status, notify source + dropComplete( sal_False, m_aCurrentDropWindow, m_nDropTime ); + } + } + } + return bHandled; +} + +/* + * methods for XDropTargetDropContext + */ + +void SelectionManager::dropComplete( sal_Bool bSuccess, XLIB_Window aDropWindow, XLIB_Time ) +{ + osl::ClearableMutexGuard aGuard(m_aMutex); + + if( aDropWindow == m_aCurrentDropWindow ) + { + if( m_xDragSourceListener.is() ) + { + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = getUserDragAction(); + dsde.DropSuccess = bSuccess; + css::uno::Reference< XDragSourceListener > xListener = m_xDragSourceListener; + m_xDragSourceListener.clear(); + + aGuard.clear(); + xListener->dragDropEnd( dsde ); + } + else if( m_aDropEnterEvent.data.l[0] && m_aCurrentDropWindow ) + { + XEvent aEvent; + aEvent.xclient.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.window = m_aDropEnterEvent.data.l[0]; + aEvent.xclient.message_type = m_nXdndFinished; + aEvent.xclient.format = 32; + aEvent.xclient.data.l[0] = m_aCurrentDropWindow; + aEvent.xclient.data.l[1] = bSuccess ? 1 : 0; + aEvent.xclient.data.l[2] = 0; + aEvent.xclient.data.l[3] = 0; + aEvent.xclient.data.l[4] = 0; + if( bSuccess ) + { + if( m_nLastDropAction & DNDConstants::ACTION_MOVE ) + aEvent.xclient.data.l[2] = m_nXdndActionMove; + else if( m_nLastDropAction & DNDConstants::ACTION_COPY ) + aEvent.xclient.data.l[2] = m_nXdndActionCopy; + else if( m_nLastDropAction & DNDConstants::ACTION_LINK ) + aEvent.xclient.data.l[2] = m_nXdndActionLink; + } + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "Sending XdndFinished to 0x%lx\n", + m_aDropEnterEvent.data.l[0] + ); +#endif + + XSendEvent( m_pDisplay, m_aDropEnterEvent.data.l[0], + False, NoEventMask, & aEvent ); + + m_aDropEnterEvent.data.l[0] = None; + m_aCurrentDropWindow = None; + m_nCurrentProtocolVersion = nXdndProtocolRevision; + } + m_bDropWaitingForCompletion = false; + } + else + OSL_FAIL( "dropComplete from invalid DropTargetDropContext" ); +} + +/* + * methods for XDropTargetDragContext + */ + +// ------------------------------------------------------------------------ + +void SelectionManager::sendDragStatus( Atom nDropAction ) +{ + osl::ClearableMutexGuard aGuard(m_aMutex); + + if( m_xDragSourceListener.is() ) + { + sal_Int8 nNewDragAction; + if( nDropAction == m_nXdndActionMove ) + nNewDragAction = DNDConstants::ACTION_MOVE; + else if( nDropAction == m_nXdndActionCopy ) + nNewDragAction = DNDConstants::ACTION_COPY; + else if( nDropAction == m_nXdndActionLink ) + nNewDragAction = DNDConstants::ACTION_LINK; + else + nNewDragAction = DNDConstants::ACTION_NONE; + nNewDragAction &= m_nSourceActions; + + if( nNewDragAction != m_nTargetAcceptAction ) + { + setCursor( getDefaultCursor( nNewDragAction ), m_aDropWindow, m_nDragTimestamp ); + m_nTargetAcceptAction = nNewDragAction; + } + + DragSourceDragEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = m_nSourceActions; + dsde.UserAction = getUserDragAction(); + + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + // caution: do not change anything after this + aGuard.clear(); + if( xListener.is() ) + xListener->dragOver( dsde ); + } + else if( m_aDropEnterEvent.data.l[0] && m_aCurrentDropWindow ) + { + XEvent aEvent; + aEvent.xclient.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.window = m_aDropEnterEvent.data.l[0]; + aEvent.xclient.message_type = m_nXdndStatus; + aEvent.xclient.format = 32; + aEvent.xclient.data.l[0] = m_aCurrentDropWindow; + aEvent.xclient.data.l[1] = 2; + if( nDropAction == m_nXdndActionMove || + nDropAction == m_nXdndActionLink || + nDropAction == m_nXdndActionCopy ) + aEvent.xclient.data.l[1] |= 1; + aEvent.xclient.data.l[2] = 0; + aEvent.xclient.data.l[3] = 0; + aEvent.xclient.data.l[4] = m_nCurrentProtocolVersion > 1 ? nDropAction : 0; + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "Sending XdndStatus to 0x%lx with action %s\n", + m_aDropEnterEvent.data.l[0], + OUStringToOString( getString( nDropAction ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); +#endif + + XSendEvent( m_pDisplay, m_aDropEnterEvent.data.l[0], + False, NoEventMask, & aEvent ); + XFlush( m_pDisplay ); + } +} + +// ------------------------------------------------------------------------ + +sal_Int8 SelectionManager::getUserDragAction() const +{ + return (m_nTargetAcceptAction != DNDConstants::ACTION_DEFAULT) ? m_nTargetAcceptAction : m_nUserDragAction; +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::updateDragAction( int modifierState ) +{ + bool bRet = false; + + sal_Int8 nNewDropAction = DNDConstants::ACTION_MOVE; + if( ( modifierState & ShiftMask ) && ! ( modifierState & ControlMask ) ) + nNewDropAction = DNDConstants::ACTION_MOVE; + else if( ( modifierState & ControlMask ) && ! ( modifierState & ShiftMask ) ) + nNewDropAction = DNDConstants::ACTION_COPY; + else if( ( modifierState & ShiftMask ) && ( modifierState & ControlMask ) ) + nNewDropAction = DNDConstants::ACTION_LINK; + if( m_nCurrentProtocolVersion < 0 && m_aDropWindow != None ) + nNewDropAction = DNDConstants::ACTION_COPY; + nNewDropAction &= m_nSourceActions; + + if( ! ( modifierState & ( ControlMask | ShiftMask ) ) ) + { + if( ! nNewDropAction ) + { + // default to an action so the user does not have to press + // keys explicitly + if( m_nSourceActions & DNDConstants::ACTION_MOVE ) + nNewDropAction = DNDConstants::ACTION_MOVE; + else if( m_nSourceActions & DNDConstants::ACTION_COPY ) + nNewDropAction = DNDConstants::ACTION_COPY; + else if( m_nSourceActions & DNDConstants::ACTION_LINK ) + nNewDropAction = DNDConstants::ACTION_LINK; + } + nNewDropAction |= DNDConstants::ACTION_DEFAULT; + } + + if( nNewDropAction != m_nUserDragAction || m_nTargetAcceptAction != DNDConstants::ACTION_DEFAULT ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "updateDragAction: %x -> %x\n", (int)m_nUserDragAction, (int)nNewDropAction ); +#endif + bRet = true; + m_nUserDragAction = nNewDropAction; + + DragSourceDragEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = m_nUserDragAction; + dsde.UserAction = m_nUserDragAction; + m_nTargetAcceptAction = DNDConstants::ACTION_DEFAULT; // invalidate last accept + m_xDragSourceListener->dropActionChanged( dsde ); + } + return bRet; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::sendDropPosition( bool bForce, XLIB_Time eventTime ) +{ + osl::ClearableMutexGuard aGuard(m_aMutex); + + if( m_bDropSent ) + return; + + ::boost::unordered_map< XLIB_Window, DropTargetEntry >::const_iterator it = + m_aDropTargets.find( m_aDropWindow ); + if( it != m_aDropTargets.end() ) + { + if( it->second.m_pTarget->m_bActive ) + { + int x, y; + XLIB_Window aChild; + XTranslateCoordinates( m_pDisplay, it->second.m_aRootWindow, m_aDropWindow, m_nLastDragX, m_nLastDragY, &x, &y, &aChild ); + DropTargetDragEvent dtde; + dtde.Source = static_cast< OWeakObject* >(it->second.m_pTarget ); + dtde.Context = new DropTargetDragContext( m_aCurrentDropWindow, m_nDropTimestamp, *this ); + dtde.LocationX = x; + dtde.LocationY = y; + dtde.DropAction = getUserDragAction(); + dtde.SourceActions = m_nSourceActions; + aGuard.clear(); + it->second->dragOver( dtde ); + } + } + else if( bForce || + + m_nLastDragX < m_nNoPosX || m_nLastDragX >= m_nNoPosX+m_nNoPosWidth || + m_nLastDragY < m_nNoPosY || m_nLastDragY >= m_nNoPosY+m_nNoPosHeight + ) + { + // send XdndPosition + XEvent aEvent; + aEvent.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.format = 32; + aEvent.xclient.message_type = m_nXdndPosition; + aEvent.xclient.window = m_aDropWindow; + aEvent.xclient.data.l[0] = m_aWindow; + aEvent.xclient.data.l[1] = 0; + aEvent.xclient.data.l[2] = m_nLastDragX << 16 | (m_nLastDragY&0xffff); + aEvent.xclient.data.l[3] = eventTime; + + if( m_nUserDragAction & DNDConstants::ACTION_COPY ) + aEvent.xclient.data.l[4]=m_nXdndActionCopy; + else if( m_nUserDragAction & DNDConstants::ACTION_MOVE ) + aEvent.xclient.data.l[4]=m_nXdndActionMove; + else if( m_nUserDragAction & DNDConstants::ACTION_LINK ) + aEvent.xclient.data.l[4]=m_nXdndActionLink; + else + aEvent.xclient.data.l[4]=m_nXdndActionCopy; + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + m_nNoPosX = m_nNoPosY = m_nNoPosWidth = m_nNoPosHeight = 0; + } +} + +// ------------------------------------------------------------------------ + +bool SelectionManager::handleDragEvent( XEvent& rMessage ) +{ + if( ! m_xDragSourceListener.is() ) + return false; + + osl::ResettableMutexGuard aGuard(m_aMutex); + + bool bHandled = false; + + // for shortcut + ::boost::unordered_map< XLIB_Window, DropTargetEntry >::const_iterator it = + m_aDropTargets.find( m_aDropWindow ); +#if OSL_DEBUG_LEVEL > 1 + switch( rMessage.type ) + { + case ClientMessage: + fprintf( stderr, "handleDragEvent: %s\n", OUStringToOString( getString( rMessage.xclient.message_type ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); + break; + case MotionNotify: + break; + case EnterNotify: + fprintf( stderr, "handleDragEvent: EnterNotify\n" ); + break; + case LeaveNotify: + fprintf( stderr, "handleDragEvent: LeaveNotify\n" ); + break; + case ButtonPress: + fprintf( stderr, "handleDragEvent: ButtonPress %d (m_nDragButton = %d)\n", rMessage.xbutton.button, m_nDragButton ); + break; + case ButtonRelease: + fprintf( stderr, "handleDragEvent: ButtonRelease %d (m_nDragButton = %d)\n", rMessage.xbutton.button, m_nDragButton ); + break; + case XLIB_KeyPress: + fprintf( stderr, "handleDragEvent: KeyPress\n" ); + break; + case KeyRelease: + fprintf( stderr, "handleDragEvent: KeyRelease\n" ); + break; + default: + fprintf( stderr, "handleDragEvent: <unknown type %d>\n", rMessage.type ); + break; + } +#endif + + // handle drag related events + if( rMessage.type == ClientMessage ) + { + if( Atom(rMessage.xclient.message_type) == m_nXdndStatus && Atom(rMessage.xclient.data.l[0]) == m_aDropWindow ) + { + bHandled = true; + DragSourceDragEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >( this ); + dsde.UserAction = getUserDragAction(); + dsde.DropAction = DNDConstants::ACTION_NONE; + m_bDropSuccess = rMessage.xclient.data.l[1] & 1 ? true : false; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "status drop action: accept = %s, %s\n", + m_bDropSuccess ? "true" : "false", + OUStringToOString( getString( rMessage.xclient.data.l[4] ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + if( rMessage.xclient.data.l[1] & 1 ) + { + if( m_nCurrentProtocolVersion > 1 ) + { + if( Atom(rMessage.xclient.data.l[4]) == m_nXdndActionCopy ) + dsde.DropAction = DNDConstants::ACTION_COPY; + else if( Atom(rMessage.xclient.data.l[4]) == m_nXdndActionMove ) + dsde.DropAction = DNDConstants::ACTION_MOVE; + else if( Atom(rMessage.xclient.data.l[4]) == m_nXdndActionLink ) + dsde.DropAction = DNDConstants::ACTION_LINK; + } + else + dsde.DropAction = DNDConstants::ACTION_COPY; + } + m_nTargetAcceptAction = dsde.DropAction; + + if( ! ( rMessage.xclient.data.l[1] & 2 ) ) + { + m_nNoPosX = rMessage.xclient.data.l[2] >> 16; + m_nNoPosY = rMessage.xclient.data.l[2] & 0xffff; + m_nNoPosWidth = rMessage.xclient.data.l[3] >> 16; + m_nNoPosHeight = rMessage.xclient.data.l[3] & 0xffff; + } + else + m_nNoPosX = m_nNoPosY = m_nNoPosWidth = m_nNoPosHeight = 0; + + setCursor( getDefaultCursor( dsde.DropAction ), m_aDropWindow, m_nDragTimestamp ); + aGuard.clear(); + m_xDragSourceListener->dragOver( dsde ); + } + else if( Atom(rMessage.xclient.message_type) == m_nXdndFinished && m_aDropWindow == Atom(rMessage.xclient.data.l[0]) ) + { + bHandled = true; + // notify the listener + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = m_nTargetAcceptAction; + dsde.DropSuccess = m_bDropSuccess; + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + m_xDragSourceListener.clear(); + aGuard.clear(); + xListener->dragDropEnd( dsde ); + } + } + else if( rMessage.type == MotionNotify || + rMessage.type == EnterNotify || rMessage.type == LeaveNotify + ) + { + bHandled = true; + bool bForce = false; + int root_x = rMessage.type == MotionNotify ? rMessage.xmotion.x_root : rMessage.xcrossing.x_root; + int root_y = rMessage.type == MotionNotify ? rMessage.xmotion.y_root : rMessage.xcrossing.y_root; + XLIB_Window root = rMessage.type == MotionNotify ? rMessage.xmotion.root : rMessage.xcrossing.root; + m_nDragTimestamp = rMessage.type == MotionNotify ? rMessage.xmotion.time : rMessage.xcrossing.time; + + aGuard.clear(); + if( rMessage.type == MotionNotify ) + { + bForce = updateDragAction( rMessage.xmotion.state ); + } + updateDragWindow( root_x, root_y, root ); + aGuard.reset(); + + if( m_nCurrentProtocolVersion >= 0 && m_aDropProxy != None ) + { + aGuard.clear(); + sendDropPosition( bForce, rMessage.type == MotionNotify ? rMessage.xmotion.time : rMessage.xcrossing.time ); + } + } + else if( rMessage.type == XLIB_KeyPress || rMessage.type == KeyRelease ) + { + bHandled = true; + KeySym aKey = XKeycodeToKeysym( m_pDisplay, rMessage.xkey.keycode, 0 ); + if( aKey == XK_Escape ) + { + // abort drag + if( it != m_aDropTargets.end() ) + { + DropTargetEvent dte; + dte.Source = static_cast< OWeakObject* >( it->second.m_pTarget ); + aGuard.clear(); + it->second.m_pTarget->dragExit( dte ); + } + else if( m_aDropProxy != None && m_nCurrentProtocolVersion >= 0 ) + { + // send XdndLeave + XEvent aEvent; + aEvent.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.format = 32; + aEvent.xclient.message_type = m_nXdndLeave; + aEvent.xclient.window = m_aDropWindow; + aEvent.xclient.data.l[0] = m_aWindow; + memset( aEvent.xclient.data.l+1, 0, sizeof(long)*4); + m_aDropWindow = m_aDropProxy = None; + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + } + // notify the listener + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = DNDConstants::ACTION_NONE; + dsde.DropSuccess = sal_False; + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + m_xDragSourceListener.clear(); + aGuard.clear(); + xListener->dragDropEnd( dsde ); + } + else + { + /* + * man page says: state is state immediate PRIOR to the + * event. It would seem that this is a somewhat arguable + * design decision. + */ + int nState = rMessage.xkey.state; + int nNewState = 0; + switch( aKey ) + { + case XK_Shift_R: + case XK_Shift_L: nNewState = ShiftMask;break; + case XK_Control_R: + case XK_Control_L: nNewState = ControlMask;break; + // just interested in shift and ctrl for dnd + } + if( rMessage.type == XLIB_KeyPress ) + nState |= nNewState; + else + nState &= ~nNewState; + aGuard.clear(); + if( updateDragAction( nState ) ) + sendDropPosition( true, rMessage.xkey.time ); + } + } + else if( + ( rMessage.type == ButtonPress || rMessage.type == ButtonRelease ) && + rMessage.xbutton.button == m_nDragButton ) + { + bool bCancel = true; + if( m_aDropWindow != None ) + { + if( it != m_aDropTargets.end() ) + { + if( it->second.m_pTarget->m_bActive && m_nUserDragAction != DNDConstants::ACTION_NONE && m_bLastDropAccepted ) + { + bHandled = true; + int x, y; + XLIB_Window aChild; + XTranslateCoordinates( m_pDisplay, rMessage.xbutton.root, m_aDropWindow, rMessage.xbutton.x_root, rMessage.xbutton.y_root, &x, &y, &aChild ); + DropTargetDropEvent dtde; + dtde.Source = static_cast< OWeakObject* >(it->second.m_pTarget ); + dtde.Context = new DropTargetDropContext( m_aCurrentDropWindow, m_nDropTimestamp, *this ); + dtde.LocationX = x; + dtde.LocationY = y; + dtde.DropAction = m_nUserDragAction; + dtde.SourceActions = m_nSourceActions; + dtde.Transferable = m_xDragSourceTransferable; + m_bDropSent = true; + m_nDropTimeout = time( NULL ); + m_bDropWaitingForCompletion = true; + aGuard.clear(); + it->second->drop( dtde ); + bCancel = false; + } + else bCancel = true; + } + else if( m_nCurrentProtocolVersion >= 0 ) + { + bHandled = true; + + XEvent aEvent; + aEvent.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.format = 32; + aEvent.xclient.message_type = m_nXdndDrop; + aEvent.xclient.window = m_aDropWindow; + aEvent.xclient.data.l[0] = m_aWindow; + aEvent.xclient.data.l[1] = 0; + aEvent.xclient.data.l[2] = rMessage.xbutton.time; + aEvent.xclient.data.l[3] = 0; + aEvent.xclient.data.l[4] = 0; + + m_bDropSent = true; + m_nDropTimeout = time( NULL ); + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + bCancel = false; + } + else + { + // dropping on non XdndWindows: acquire ownership of + // PRIMARY and send a middle mouse button click down/up to + // target window + SelectionAdaptor* pAdaptor = getAdaptor( XA_PRIMARY ); + if( pAdaptor ) + { + bHandled = true; + + XLIB_Window aDummy; + XEvent aEvent; + aEvent.type = ButtonPress; + aEvent.xbutton.display = m_pDisplay; + aEvent.xbutton.window = m_aDropWindow; + aEvent.xbutton.root = rMessage.xbutton.root; + aEvent.xbutton.subwindow = m_aDropWindow; + aEvent.xbutton.time = rMessage.xbutton.time+1; + aEvent.xbutton.x_root = rMessage.xbutton.x_root; + aEvent.xbutton.y_root = rMessage.xbutton.y_root; + aEvent.xbutton.state = rMessage.xbutton.state; + aEvent.xbutton.button = Button2; + aEvent.xbutton.same_screen = True; + XTranslateCoordinates( m_pDisplay, + rMessage.xbutton.root, m_aDropWindow, + rMessage.xbutton.x_root, rMessage.xbutton.y_root, + &aEvent.xbutton.x, &aEvent.xbutton.y, + &aDummy ); + XSendEvent( m_pDisplay, m_aDropWindow, False, ButtonPressMask, &aEvent ); + aEvent.xbutton.type = ButtonRelease; + aEvent.xbutton.time++; + aEvent.xbutton.state |= Button2Mask; + XSendEvent( m_pDisplay, m_aDropWindow, False, ButtonReleaseMask, &aEvent ); + + m_bDropSent = true; + m_nDropTimeout = time( NULL ); + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + m_bWaitingForPrimaryConversion = true; + m_bDropSent = true; + m_nDropTimeout = time( NULL ); + // HACK :-) + aGuard.clear(); + static_cast< X11Clipboard* >( pAdaptor )->setContents( m_xDragSourceTransferable, css::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardOwner >() ); + aGuard.reset(); + bCancel = false; + } + } + } + if( bCancel ) + { + // cancel drag + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = DNDConstants::ACTION_NONE; + dsde.DropSuccess = sal_False; + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + m_xDragSourceListener.clear(); + aGuard.clear(); + xListener->dragDropEnd( dsde ); + bHandled = true; + } + } + return bHandled; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::accept( sal_Int8 dragOperation, XLIB_Window aDropWindow, XLIB_Time ) +{ + if( aDropWindow == m_aCurrentDropWindow ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "accept: %x\n", dragOperation ); +#endif + Atom nAction = None; + dragOperation &= (DNDConstants::ACTION_MOVE | DNDConstants::ACTION_COPY | DNDConstants::ACTION_LINK); + if( dragOperation & DNDConstants::ACTION_MOVE ) + nAction = m_nXdndActionMove; + else if( dragOperation & DNDConstants::ACTION_COPY ) + nAction = m_nXdndActionCopy; + else if( dragOperation & DNDConstants::ACTION_LINK ) + nAction = m_nXdndActionLink; + m_bLastDropAccepted = true; + sendDragStatus( nAction ); + } +} + +// ------------------------------------------------------------------------ + +void SelectionManager::reject( XLIB_Window aDropWindow, XLIB_Time ) +{ + if( aDropWindow == m_aCurrentDropWindow ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "reject\n" ); +#endif + m_bLastDropAccepted = false; + sendDragStatus( None ); + if( m_bDropSent && m_xDragSourceListener.is() ) + { + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = DNDConstants::ACTION_NONE; + dsde.DropSuccess = sal_False; + m_xDragSourceListener->dragDropEnd( dsde ); + m_xDragSourceListener.clear(); + } + } +} + +/* + * XDragSource + */ + +sal_Bool SelectionManager::isDragImageSupported() throw() +{ + return sal_False; +} + +// ------------------------------------------------------------------------ + +sal_Int32 SelectionManager::getDefaultCursor( sal_Int8 dragAction ) throw() +{ + XLIB_Cursor aCursor = m_aNoneCursor; + if( dragAction & DNDConstants::ACTION_MOVE ) + aCursor = m_aMoveCursor; + else if( dragAction & DNDConstants::ACTION_COPY ) + aCursor = m_aCopyCursor; + else if( dragAction & DNDConstants::ACTION_LINK ) + aCursor = m_aLinkCursor; + return aCursor; +} + +// ------------------------------------------------------------------------ + +int SelectionManager::getXdndVersion( XLIB_Window aWindow, XLIB_Window& rProxy ) +{ + Atom* pProperties = NULL; + int nProperties = 0; + Atom nType; + int nFormat; + unsigned long nItems, nBytes; + unsigned char* pBytes = NULL; + + int nVersion = -1; + rProxy = None; + + /* + * XListProperties is used here to avoid unnecessary XGetWindowProperty calls + * and therefore reducing latency penalty + */ + pProperties = XListProperties( m_pDisplay, aWindow, &nProperties ); + // first look for proxy + int i; + for( i = 0; i < nProperties; i++ ) + { + if( pProperties[i] == m_nXdndProxy ) + { + XGetWindowProperty( m_pDisplay, aWindow, m_nXdndProxy, 0, 1, False, XA_WINDOW, + &nType, &nFormat, &nItems, &nBytes, &pBytes ); + if( pBytes ) + { + if( nType == XA_WINDOW ) + rProxy = *(XLIB_Window*)pBytes; + XFree( pBytes ); + pBytes = NULL; + if( rProxy != None ) + { + // now check proxy wether it points to itself + XGetWindowProperty( m_pDisplay, rProxy, m_nXdndProxy, 0, 1, False, XA_WINDOW, + &nType, &nFormat, &nItems, &nBytes, &pBytes ); + if( pBytes ) + { + if( nType == XA_WINDOW && *(XLIB_Window*)pBytes != rProxy ) + rProxy = None; + XFree( pBytes ); + pBytes = NULL; + } + else + rProxy = None; + } + } + break; + } + } + XLIB_Window aAwareWindow = rProxy != None ? rProxy : aWindow; + + XGetWindowProperty( m_pDisplay, aAwareWindow, m_nXdndAware, 0, 1, False, XA_ATOM, + &nType, &nFormat, &nItems, &nBytes, &pBytes ); + if( pBytes ) + { + if( nType == XA_ATOM ) + nVersion = *(Atom*)pBytes; + XFree( pBytes ); + } + + nVersion = nVersion > nXdndProtocolRevision ? nXdndProtocolRevision : nVersion; + + return nVersion; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::updateDragWindow( int nX, int nY, XLIB_Window aRoot ) +{ + osl::ResettableMutexGuard aGuard( m_aMutex ); + + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + + m_nLastDragX = nX; + m_nLastDragY = nY; + + XLIB_Window aParent = aRoot; + XLIB_Window aChild; + XLIB_Window aNewProxy = None, aNewCurrentWindow = None; + int nNewProtocolVersion = -1; + int nWinX, nWinY; + + // find the first XdndAware window or check if root window is + // XdndAware or has XdndProxy + do + { + XTranslateCoordinates( m_pDisplay, aRoot, aParent, nX, nY, &nWinX, &nWinY, &aChild ); + if( aChild != None ) + { + if( aChild == m_aCurrentDropWindow && aChild != aRoot && m_nCurrentProtocolVersion >= 0 ) + { + aParent = aChild; + break; + } + nNewProtocolVersion = getXdndVersion( aChild, aNewProxy ); + aParent = aChild; + } + } while( aChild != None && nNewProtocolVersion < 0 ); + + aNewCurrentWindow = aParent; + if( aNewCurrentWindow == aRoot ) + { + // no children, try root drop + nNewProtocolVersion = getXdndVersion( aNewCurrentWindow, aNewProxy ); + if( nNewProtocolVersion < 3 ) + { + aNewCurrentWindow = aNewProxy = None; + nNewProtocolVersion = nXdndProtocolRevision; + } + } + + + DragSourceDragEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = nNewProtocolVersion >= 0 ? m_nUserDragAction : DNDConstants::ACTION_COPY; + dsde.UserAction = nNewProtocolVersion >= 0 ? m_nUserDragAction : DNDConstants::ACTION_COPY; + + ::boost::unordered_map< XLIB_Window, DropTargetEntry >::const_iterator it; + if( aNewCurrentWindow != m_aDropWindow ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "drag left window 0x%lx (rev. %d), entered window 0x%lx (rev %d)\n", m_aDropWindow, m_nCurrentProtocolVersion, aNewCurrentWindow, nNewProtocolVersion ); +#endif + + if( m_aDropWindow != None ) + { + it = m_aDropTargets.find( m_aDropWindow ); + if( it != m_aDropTargets.end() ) + // shortcut for own drop targets + { + DropTargetEvent dte; + dte.Source = static_cast< OWeakObject* >( it->second.m_pTarget ); + aGuard.clear(); + it->second.m_pTarget->dragExit( dte ); + aGuard.reset(); + } + else + { + // send old drop target a XdndLeave + XEvent aEvent; + aEvent.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.format = 32; + aEvent.xclient.message_type = m_nXdndLeave; + aEvent.xclient.window = m_aDropWindow; + aEvent.xclient.data.l[0] = m_aWindow; + aEvent.xclient.data.l[1] = 0; + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + } + if( xListener.is() ) + { + aGuard.clear(); + xListener->dragExit( dsde ); + aGuard.reset(); + } + } + + m_nCurrentProtocolVersion = nNewProtocolVersion; + m_aDropWindow = aNewCurrentWindow; + m_aDropProxy = aNewProxy != None ? aNewProxy : m_aDropWindow; + + it = m_aDropTargets.find( m_aDropWindow ); + if( it != m_aDropTargets.end() && ! it->second.m_pTarget->m_bActive ) + m_aDropProxy = None; + + if( m_aDropProxy != None && xListener.is() ) + { + aGuard.clear(); + xListener->dragEnter( dsde ); + aGuard.reset(); + } + // send XdndEnter + if( m_aDropProxy != None && m_nCurrentProtocolVersion >= 0 ) + { + it = m_aDropTargets.find( m_aDropWindow ); + if( it != m_aDropTargets.end() ) + { + XTranslateCoordinates( m_pDisplay, aRoot, m_aDropWindow, nX, nY, &nWinX, &nWinY, &aChild ); + DropTargetDragEnterEvent dtde; + dtde.Source = static_cast< OWeakObject* >( it->second.m_pTarget ); + dtde.Context = new DropTargetDragContext( m_aCurrentDropWindow, m_nDropTimestamp, *this ); + dtde.LocationX = nWinX; + dtde.LocationY = nWinY; + dtde.DropAction = m_nUserDragAction; + dtde.SourceActions = m_nSourceActions; + dtde.SupportedDataFlavors = m_xDragSourceTransferable->getTransferDataFlavors(); + aGuard.clear(); + it->second.m_pTarget->dragEnter( dtde ); + aGuard.reset(); + } + else + { + XEvent aEvent; + aEvent.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.format = 32; + aEvent.xclient.message_type = m_nXdndEnter; + aEvent.xclient.window = m_aDropWindow; + aEvent.xclient.data.l[0] = m_aWindow; + aEvent.xclient.data.l[1] = m_nCurrentProtocolVersion << 24; + memset( aEvent.xclient.data.l + 2, 0, sizeof( long )*3 ); + // fill in data types + ::std::list< Atom > aConversions; + getNativeTypeList( m_aDragFlavors, aConversions, m_nXdndSelection ); + if( aConversions.size() > 3 ) + aEvent.xclient.data.l[1] |= 1; + ::std::list< Atom >::const_iterator type_it = aConversions.begin(); + for( int i = 0; type_it != aConversions.end() && i < 3; i++, ++type_it ) + aEvent.xclient.data.l[i+2] = *type_it; + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + } + } + m_nNoPosX = m_nNoPosY = m_nNoPosWidth = m_nNoPosHeight = 0; + } + else if( m_aDropProxy != None && xListener.is() ) + { + aGuard.clear(); + // drag over for XdndAware windows comes when receiving XdndStatus + xListener->dragOver( dsde ); + } +} + +// ------------------------------------------------------------------------ + +void SelectionManager::startDrag( + const DragGestureEvent& trigger, + sal_Int8 sourceActions, + sal_Int32, + sal_Int32, + const css::uno::Reference< XTransferable >& transferable, + const css::uno::Reference< XDragSourceListener >& listener + ) throw() +{ +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "startDrag( sourceActions = %x )\n", (int)sourceActions ); +#endif + + DragSourceDropEvent aDragFailedEvent; + aDragFailedEvent.Source = static_cast< OWeakObject* >(this); + aDragFailedEvent.DragSource = static_cast< XDragSource* >(this); + aDragFailedEvent.DragSourceContext = new DragSourceContext( None, CurrentTime, *this ); + aDragFailedEvent.DropAction = DNDConstants::ACTION_NONE; + aDragFailedEvent.DropSuccess = sal_False; + + if( m_aDragRunning.check() ) + { + if( listener.is() ) + listener->dragDropEnd( aDragFailedEvent ); + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "*** ERROR *** second drag and drop started.\n" ); + if( m_xDragSourceListener.is() ) + fprintf( stderr, "*** ERROR *** drag source listener already set.\n" ); + else + fprintf( stderr, "*** ERROR *** drag thread already running.\n" ); +#endif + return; + } + + SalFrame* pCaptureFrame = NULL; + + { + osl::ClearableMutexGuard aGuard(m_aMutex); + + // first get the current pointer position and the window that + // the pointer is located in. since said window should be one + // of our DropTargets at the time of executeDrag we can use + // them for a start + XLIB_Window aRoot, aParent, aChild; + int root_x, root_y, win_x, win_y; + unsigned int mask; + + ::boost::unordered_map< XLIB_Window, DropTargetEntry >::const_iterator it; + it = m_aDropTargets.begin(); + while( it != m_aDropTargets.end() ) + { + if( XQueryPointer( m_pDisplay, it->second.m_aRootWindow, + &aRoot, &aParent, + &root_x, &root_y, + &win_x, &win_y, + &mask ) ) + { + aParent = it->second.m_aRootWindow; + break; + } + ++it; + } + + // don't start DnD if there is none of our windows on the same screen as + // the pointer or if no mouse button is pressed + if( it == m_aDropTargets.end() || (mask & (Button1Mask|Button2Mask|Button3Mask)) == 0 ) + { + aGuard.clear(); + if( listener.is() ) + listener->dragDropEnd( aDragFailedEvent ); + return; + } + + // try to find which of our drop targets is the drag source + // if that drop target is deregistered we should stop executing + // the drag (actually this is a poor substitute for an "endDrag" + // method ). + m_aDragSourceWindow = None; + aParent = aRoot = it->second.m_aRootWindow; + do + { + XTranslateCoordinates( m_pDisplay, aRoot, aParent, root_x, root_y, &win_x, &win_y, &aChild ); + if( aChild != None && m_aDropTargets.find( aChild ) != m_aDropTargets.end() ) + { + m_aDragSourceWindow = aChild; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "found drag source window 0x%lx\n", m_aDragSourceWindow ); +#endif + break; + } + aParent = aChild; + } while( aChild != None ); + + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "try to grab pointer ... " ); +#endif + int nPointerGrabSuccess = + XGrabPointer( m_pDisplay, it->second.m_aRootWindow, True, + DRAG_EVENT_MASK, + GrabModeAsync, GrabModeAsync, + None, + None, + CurrentTime ); + /* if we could not grab the pointer here, there is a chance + that the pointer is grabbed by the other vcl display (the main loop) + so let's break that grab an reset it later + + remark: this whole code should really be molten into normal vcl so only + one display is used .... + */ + if( nPointerGrabSuccess != GrabSuccess ) + { + osl::SolarMutex& rSolarMutex( Application::GetSolarMutex() ); + if( rSolarMutex.tryToAcquire() ) + { + pCaptureFrame = GetX11SalData()->GetDisplay()->GetCaptureFrame(); + if( pCaptureFrame ) + { + GetX11SalData()->GetDisplay()->CaptureMouse( NULL ); + nPointerGrabSuccess = + XGrabPointer( m_pDisplay, it->second.m_aRootWindow, True, + DRAG_EVENT_MASK, + GrabModeAsync, GrabModeAsync, + None, + None, + CurrentTime ); + } + } + } +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "%d\n", nPointerGrabSuccess ); +#endif +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "try to grab keyboard ... " ); +#endif + int nKeyboardGrabSuccess = + XGrabKeyboard( m_pDisplay, it->second.m_aRootWindow, True, + GrabModeAsync, GrabModeAsync, CurrentTime ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "%d\n", nKeyboardGrabSuccess ); +#endif + if( nPointerGrabSuccess != GrabSuccess || nKeyboardGrabSuccess != GrabSuccess ) + { + if( nPointerGrabSuccess == GrabSuccess ) + XUngrabPointer( m_pDisplay, CurrentTime ); + if( nKeyboardGrabSuccess == GrabSuccess ) + XUngrabKeyboard( m_pDisplay, CurrentTime ); + XFlush( m_pDisplay ); + aGuard.clear(); + if( listener.is() ) + listener->dragDropEnd( aDragFailedEvent ); + if( pCaptureFrame ) + { + osl::SolarMutex& rSolarMutex( Application::GetSolarMutex() ); + if( rSolarMutex.tryToAcquire() ) + GetX11SalData()->GetDisplay()->CaptureMouse( pCaptureFrame ); +#if OSL_DEBUG_LEVEL > 0 + else + OSL_FAIL( "failed to acquire SolarMutex to reset capture frame" ); +#endif + } + return; + } + + m_xDragSourceTransferable = transferable; + m_xDragSourceListener = listener; + m_aDragFlavors = transferable->getTransferDataFlavors(); + m_aCurrentCursor = None; + + requestOwnership( m_nXdndSelection ); + + ::std::list< Atom > aConversions; + ::std::list< Atom >::const_iterator type_it; + getNativeTypeList( m_aDragFlavors, aConversions, m_nXdndSelection ); + + int nTypes = aConversions.size(); + Atom* pTypes = (Atom*)alloca( sizeof(Atom)*nTypes ); + type_it = aConversions.begin(); + for( int n = 0; n < nTypes; n++, ++type_it ) + pTypes[n] = *type_it; + + XChangeProperty( m_pDisplay, m_aWindow, m_nXdndTypeList, XA_ATOM, 32, PropModeReplace, (unsigned char*)pTypes, nTypes ); + + m_nSourceActions = sourceActions | DNDConstants::ACTION_DEFAULT; + m_nUserDragAction = DNDConstants::ACTION_MOVE & m_nSourceActions; + if( ! m_nUserDragAction ) + m_nUserDragAction = DNDConstants::ACTION_COPY & m_nSourceActions; + if( ! m_nUserDragAction ) + m_nUserDragAction = DNDConstants::ACTION_LINK & m_nSourceActions; + m_nTargetAcceptAction = DNDConstants::ACTION_DEFAULT; + m_bDropSent = false; + m_bDropSuccess = false; + m_bWaitingForPrimaryConversion = false; + m_nDragButton = Button1; // default to left button + com::sun::star::awt::MouseEvent aEvent; + if( trigger.Event >>= aEvent ) + { + if( aEvent.Buttons & MouseButton::LEFT ) + m_nDragButton = Button1; + else if( aEvent.Buttons & MouseButton::RIGHT ) + m_nDragButton = Button3; + else if( aEvent.Buttons & MouseButton::MIDDLE ) + m_nDragButton = Button2; + } +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "m_nUserDragAction = %x\n", (int)m_nUserDragAction ); +#endif + updateDragWindow( root_x, root_y, aRoot ); + m_nUserDragAction = ~0; + updateDragAction( mask ); + } + + m_aDragRunning.set(); + m_aDragExecuteThread = osl_createSuspendedThread( call_SelectionManager_runDragExecute, this ); + if( m_aDragExecuteThread ) + osl_resumeThread( m_aDragExecuteThread ); + else + { +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "osl_createSuspendedThread failed for drag execute\n" ); +#endif + m_xDragSourceListener.clear(); + m_xDragSourceTransferable.clear(); + + m_bDropSent = false; + m_bDropSuccess = false; + m_bWaitingForPrimaryConversion = false; + m_aDropWindow = None; + m_aDropProxy = None; + m_nCurrentProtocolVersion = nXdndProtocolRevision; + m_nNoPosX = 0; + m_nNoPosY = 0; + m_nNoPosWidth = 0; + m_nNoPosHeight = 0; + m_aCurrentCursor = None; + + XUngrabPointer( m_pDisplay, CurrentTime ); + XUngrabKeyboard( m_pDisplay, CurrentTime ); + XFlush( m_pDisplay ); + + if( pCaptureFrame ) + { + osl::SolarMutex& rSolarMutex( Application::GetSolarMutex() ); + if( rSolarMutex.tryToAcquire() ) + GetX11SalData()->GetDisplay()->CaptureMouse( pCaptureFrame ); +#if OSL_DEBUG_LEVEL > 0 + else + OSL_FAIL( "failed to acquire SolarMutex to reset capture frame" ); +#endif + } + + m_aDragRunning.reset(); + + if( listener.is() ) + listener->dragDropEnd( aDragFailedEvent ); + } +} + +void SelectionManager::runDragExecute( void* pThis ) +{ + SelectionManager* This = (SelectionManager*)pThis; + This->dragDoDispatch(); +} + +void SelectionManager::dragDoDispatch() +{ + + // do drag + // m_xDragSourceListener will be cleared on finished drop +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "begin executeDrag dispatching\n" ); +#endif + TimeValue aTVal; + aTVal.Seconds = 0; + aTVal.Nanosec = 200000000; + oslThread aThread = m_aDragExecuteThread; + while( m_xDragSourceListener.is() && ( ! m_bDropSent || time(NULL)-m_nDropTimeout < 5 ) && osl_scheduleThread( aThread ) ) + { + // let the thread in the run method do the dispatching + // just look occasionally here whether drop timed out or is completed + osl_waitThread( &aTVal ); + } +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "end executeDrag dispatching\n" ); +#endif + { + osl::ClearableMutexGuard aGuard(m_aMutex); + + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + css::uno::Reference< XTransferable > xTransferable( m_xDragSourceTransferable ); + m_xDragSourceListener.clear(); + m_xDragSourceTransferable.clear(); + + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = DNDConstants::ACTION_NONE; + dsde.DropSuccess = sal_False; + + // cleanup after drag + if( m_bWaitingForPrimaryConversion ) + getAdaptor( XA_PRIMARY )->clearTransferable(); + + m_bDropSent = false; + m_bDropSuccess = false; + m_bWaitingForPrimaryConversion = false; + m_aDropWindow = None; + m_aDropProxy = None; + m_nCurrentProtocolVersion = nXdndProtocolRevision; + m_nNoPosX = 0; + m_nNoPosY = 0; + m_nNoPosWidth = 0; + m_nNoPosHeight = 0; + m_aCurrentCursor = None; + + XUngrabPointer( m_pDisplay, CurrentTime ); + XUngrabKeyboard( m_pDisplay, CurrentTime ); + XFlush( m_pDisplay ); + + m_aDragExecuteThread = NULL; + m_aDragRunning.reset(); + + aGuard.clear(); + if( xListener.is() ) + { + xTransferable.clear(); + xListener->dragDropEnd( dsde ); + } + } + osl_destroyThread( aThread ); +} + +/* + * XDragSourceContext + */ + +sal_Int32 SelectionManager::getCurrentCursor() +{ + return m_aCurrentCursor; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::setCursor( sal_Int32 cursor, XLIB_Window aDropWindow, XLIB_Time ) +{ + osl::MutexGuard aGuard( m_aMutex ); + if( aDropWindow == m_aDropWindow && XLIB_Cursor(cursor) != m_aCurrentCursor ) + { + if( m_xDragSourceListener.is() && ! m_bDropSent ) + { + m_aCurrentCursor = cursor; + XChangeActivePointerGrab( m_pDisplay, DRAG_EVENT_MASK, cursor, CurrentTime ); + XFlush( m_pDisplay ); + } + } +} + +// ------------------------------------------------------------------------ + +void SelectionManager::setImage( sal_Int32, XLIB_Window, XLIB_Time ) +{ +} + +// ------------------------------------------------------------------------ + +void SelectionManager::transferablesFlavorsChanged() +{ + osl::MutexGuard aGuard(m_aMutex); + + m_aDragFlavors = m_xDragSourceTransferable->getTransferDataFlavors(); + int i; + + std::list< Atom > aConversions; + std::list< Atom >::const_iterator type_it; + + getNativeTypeList( m_aDragFlavors, aConversions, m_nXdndSelection ); + + int nTypes = aConversions.size(); + Atom* pTypes = (Atom*)alloca( sizeof(Atom)*aConversions.size() ); + for( i = 0, type_it = aConversions.begin(); type_it != aConversions.end(); ++type_it, i++ ) + pTypes[i] = *type_it; + XChangeProperty( m_pDisplay, m_aWindow, m_nXdndTypeList, XA_ATOM, 32, PropModeReplace, (unsigned char*)pTypes, nTypes ); + + if( m_aCurrentDropWindow != None && m_nCurrentProtocolVersion >= 0 ) + { + // send synthetic leave and enter events + + XEvent aEvent; + + aEvent.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.format = 32; + aEvent.xclient.window = m_aDropWindow; + aEvent.xclient.data.l[0] = m_aWindow; + + aEvent.xclient.message_type = m_nXdndLeave; + aEvent.xclient.data.l[1] = 0; + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + + aEvent.xclient.message_type = m_nXdndEnter; + aEvent.xclient.data.l[1] = m_nCurrentProtocolVersion << 24; + memset( aEvent.xclient.data.l + 2, 0, sizeof( long )*3 ); + // fill in data types + if( nTypes > 3 ) + aEvent.xclient.data.l[1] |= 1; + for( int j = 0; j < nTypes && j < 3; j++ ) + aEvent.xclient.data.l[j+2] = pTypes[j]; + + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + } +} + +/* + * dispatch loop + */ + +// ------------------------------------------------------------------------ + +bool SelectionManager::handleXEvent( XEvent& rEvent ) +{ + /* + * since we are XConnectionListener to a second X display + * to get client messages it is essential not to dispatch + * events twice that we get on both connections + * + * between dispatching ButtonPress and startDrag + * the user can already have released the mouse. The ButtonRelease + * will then be dispatched in VCLs queue and never turn up here. + * Which is not so good, since startDrag will XGrabPointer and + * XGrabKeyboard -> solid lock. + */ + if( rEvent.xany.display != m_pDisplay + && rEvent.type != ClientMessage + && rEvent.type != ButtonPress + && rEvent.type != ButtonRelease + ) + return false; + + bool bHandled = false; + switch (rEvent.type) + { + case SelectionClear: + { + osl::ClearableMutexGuard aGuard(m_aMutex); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "SelectionClear for selection %s\n", + OUStringToOString( getString( rEvent.xselectionclear.selection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() + ); +#endif + SelectionAdaptor* pAdaptor = getAdaptor( rEvent.xselectionclear.selection ); + boost::unordered_map< Atom, Selection* >::iterator it( m_aSelections.find( rEvent.xselectionclear.selection ) ); + if( it != m_aSelections.end() ) + it->second->m_bOwner = false; + aGuard.clear(); + if ( pAdaptor ) + pAdaptor->clearTransferable(); + } + break; + + case SelectionRequest: + bHandled = handleSelectionRequest( rEvent.xselectionrequest ); + break; + case PropertyNotify: + if( rEvent.xproperty.window == m_aWindow || + rEvent.xproperty.window == m_aCurrentDropWindow + ) + bHandled = handleReceivePropertyNotify( rEvent.xproperty ); + else + bHandled = handleSendPropertyNotify( rEvent.xproperty ); + break; + case SelectionNotify: + bHandled = handleSelectionNotify( rEvent.xselection ); + break; + case ClientMessage: + // messages from drag target + if( rEvent.xclient.message_type == m_nXdndStatus || + rEvent.xclient.message_type == m_nXdndFinished ) + bHandled = handleDragEvent( rEvent ); + // messages from drag source + else if( + rEvent.xclient.message_type == m_nXdndEnter || + rEvent.xclient.message_type == m_nXdndLeave || + rEvent.xclient.message_type == m_nXdndPosition || + rEvent.xclient.message_type == m_nXdndDrop + ) + bHandled = handleDropEvent( rEvent.xclient ); + break; + case EnterNotify: + case LeaveNotify: + case MotionNotify: + case ButtonPress: + case ButtonRelease: + case XLIB_KeyPress: + case KeyRelease: + bHandled = handleDragEvent( rEvent ); + break; + default: + ; + } + return bHandled; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::dispatchEvent( int millisec ) +{ + // acquire the mutex to prevent other threads + // from using the same X connection + osl::ResettableMutexGuard aGuard(m_aMutex); + + if( !XPending( m_pDisplay )) + { // wait for any events if none are already queued + pollfd aPollFD; + aPollFD.fd = XConnectionNumber( m_pDisplay ); + aPollFD.events = POLLIN; + aPollFD.revents = 0; + // release mutex for the time of waiting for possible data + aGuard.clear(); + if( poll( &aPollFD, 1, millisec ) <= 0 ) + return; + aGuard.reset(); + } + while( XPending( m_pDisplay )) + { + XEvent event; + XNextEvent( m_pDisplay, &event ); + aGuard.clear(); + handleXEvent( event ); + aGuard.reset(); + } +} + +// ------------------------------------------------------------------------ + +void SelectionManager::run( void* pThis ) +{ +#if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "SelectionManager::run\n" ); +#endif + // dispatch until the cows come home + + SelectionManager* This = (SelectionManager*)pThis; + + timeval aLast; + gettimeofday( &aLast, 0 ); + + css::uno::Reference< XMultiServiceFactory > xFact( ::comphelper::getProcessServiceFactory() ); + if( xFact.is() ) + { + This->m_xDesktop.set(xFact->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.frame.Desktop")) ), UNO_QUERY); + if (This->m_xDesktop.is()) + This->m_xDesktop->addTerminateListener(This); + } + + while( osl_scheduleThread(This->m_aThread) ) + { + This->dispatchEvent( 1000 ); + + timeval aNow; + gettimeofday( &aNow, 0 ); + + if( (aNow.tv_sec - aLast.tv_sec) > 0 ) + { + osl::ClearableMutexGuard aGuard(This->m_aMutex); + std::list< std::pair< SelectionAdaptor*, css::uno::Reference< XInterface > > > aChangeList; + + for( boost::unordered_map< Atom, Selection* >::iterator it = This->m_aSelections.begin(); it != This->m_aSelections.end(); ++it ) + { + if( it->first != This->m_nXdndSelection && ! it->second->m_bOwner ) + { + XLIB_Window aOwner = XGetSelectionOwner( This->m_pDisplay, it->first ); + if( aOwner != it->second->m_aLastOwner ) + { + it->second->m_aLastOwner = aOwner; + std::pair< SelectionAdaptor*, css::uno::Reference< XInterface > > + aKeep( it->second->m_pAdaptor, it->second->m_pAdaptor->getReference() ); + aChangeList.push_back( aKeep ); + } + } + } + aGuard.clear(); + while( aChangeList.begin() != aChangeList.end() ) + { + aChangeList.front().first->fireContentsChanged(); + aChangeList.pop_front(); + } + aLast = aNow; + } + } +#if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "SelectionManager::run end\n" ); +#endif +} + +void SelectionManager::shutdown() throw() +{ + #if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "SelectionManager got app termination event\n" ); + #endif + + osl::ResettableMutexGuard aGuard(m_aMutex); + + if( m_bShutDown ) + return; + m_bShutDown = true; + + if ( m_xDesktop.is() ) + m_xDesktop->removeTerminateListener(this); + + if( m_xDisplayConnection.is() ) + m_xDisplayConnection->removeEventHandler(Any(), this); + + // stop dispatching + if( m_aThread ) + { + osl_terminateThread( m_aThread ); + /* + * Allow thread to finish before app exits to avoid pulling the carpet + * out from under it if pasting is occuring during shutdown + * + * a) allow it to have the Mutex and + * b) reschedule to allow it to complete callbacks to any + * Application::GetSolarMutex protected regions, etc. e.g. + * TransferableHelper::getTransferDataFlavors (via + * SelectionManager::handleSelectionRequest) which it might + * currently be trying to enter. + * + * Otherwise the thread may be left still waiting on a GlobalMutex + * when that gets destroyed, letting the thread blow up and die + * when enters the section in a now dead OOo instance. + */ + aGuard.clear(); + while (osl_isThreadRunning(m_aThread)) + { + SolarMutexGuard guard2; + Application::Reschedule(); + } + osl_joinWithThread( m_aThread ); + osl_destroyThread( m_aThread ); + m_aThread = NULL; + aGuard.reset(); + } + m_xDesktop.clear(); + m_xDisplayConnection.clear(); + m_xDropTransferable.clear(); +} + +// ------------------------------------------------------------------------ + +sal_Bool SelectionManager::handleEvent( const Any& event ) throw() +{ + Sequence< sal_Int8 > aSeq; + if( (event >>= aSeq) ) + { + XEvent* pEvent = (XEvent*)aSeq.getArray(); + XLIB_Time nTimestamp = CurrentTime; + if( pEvent->type == ButtonPress || pEvent->type == ButtonRelease ) + nTimestamp = pEvent->xbutton.time; + else if( pEvent->type == XLIB_KeyPress || pEvent->type == KeyRelease ) + nTimestamp = pEvent->xkey.time; + else if( pEvent->type == MotionNotify ) + nTimestamp = pEvent->xmotion.time; + else if( pEvent->type == PropertyNotify ) + nTimestamp = pEvent->xproperty.time; + + if( nTimestamp != CurrentTime ) + { + osl::MutexGuard aGuard(m_aMutex); + + m_nSelectionTimestamp = nTimestamp; + } + + return sal_Bool( handleXEvent( *pEvent ) ); + } + else + { + #if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "SelectionManager got downing event\n" ); + #endif + shutdown(); + } + return sal_True; +} + +void SAL_CALL SelectionManager::disposing( const ::com::sun::star::lang::EventObject& rEvt ) + throw( ::com::sun::star::uno::RuntimeException ) +{ + if (rEvt.Source == m_xDesktop || rEvt.Source == m_xDisplayConnection) + shutdown(); +} + +void SAL_CALL SelectionManager::queryTermination( const ::com::sun::star::lang::EventObject& ) + throw( ::com::sun::star::frame::TerminationVetoException, ::com::sun::star::uno::RuntimeException ) +{ +} + +/* + * To be safe, shutdown needs to be called before the ~SfxApplication is called, waiting until + * the downing event can be too late if paste are requested during shutdown and ~SfxApplication + * has been called before vcl is shutdown + */ +void SAL_CALL SelectionManager::notifyTermination( const ::com::sun::star::lang::EventObject& rEvent ) + throw( ::com::sun::star::uno::RuntimeException ) +{ + disposing(rEvent); +} + +// ------------------------------------------------------------------------ + +void SelectionManager::registerHandler( Atom selection, SelectionAdaptor& rAdaptor ) +{ + osl::MutexGuard aGuard(m_aMutex); + + Selection* pNewSelection = new Selection(); + pNewSelection->m_pAdaptor = &rAdaptor; + pNewSelection->m_aAtom = selection; + m_aSelections[ selection ] = pNewSelection; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::deregisterHandler( Atom selection ) +{ + osl::MutexGuard aGuard(m_aMutex); + + ::boost::unordered_map< Atom, Selection* >::iterator it = + m_aSelections.find( selection ); + if( it != m_aSelections.end() ) + { + delete it->second->m_pPixmap; + delete it->second; + m_aSelections.erase( it ); + } +} + +// ------------------------------------------------------------------------ + +static bool bWasError = false; + +extern "C" +{ + int local_xerror_handler(Display* , XErrorEvent*) + { + bWasError = true; + return 0; + } + typedef int(*xerror_hdl_t)(Display*,XErrorEvent*); +} + +void SelectionManager::registerDropTarget( XLIB_Window aWindow, DropTarget* pTarget ) +{ + osl::MutexGuard aGuard(m_aMutex); + + // sanity check + ::boost::unordered_map< XLIB_Window, DropTargetEntry >::const_iterator it = + m_aDropTargets.find( aWindow ); + if( it != m_aDropTargets.end() ) + OSL_FAIL( "attempt to register window as drop target twice" ); + else if( aWindow && m_pDisplay ) + { + DropTargetEntry aEntry( pTarget ); + bWasError=false; + /* #i100000# ugly workaround: gtk sets its own XErrorHandler which is not suitable for us + unfortunately XErrorHandler is not per display, so this is just and ugly hack + Need to remove separate display and integrate clipboard/dnd into vcl's unx code ASAP + */ + xerror_hdl_t pOldHandler = XSetErrorHandler( local_xerror_handler ); + XSelectInput( m_pDisplay, aWindow, PropertyChangeMask ); + if( ! bWasError ) + { + // set XdndAware + XChangeProperty( m_pDisplay, aWindow, m_nXdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char*)&nXdndProtocolRevision, 1 ); + if( ! bWasError ) + { + // get root window of window (in 99.999% of all cases this will be + // DefaultRootWindow( m_pDisplay ) + int x, y; + unsigned int w, h, bw, d; + XGetGeometry( m_pDisplay, aWindow, &aEntry.m_aRootWindow, + &x, &y, &w, &h, &bw, &d ); + } + } + XSetErrorHandler( pOldHandler ); + if(bWasError) + return; + m_aDropTargets[ aWindow ] = aEntry; + } + else + OSL_FAIL( "attempt to register None as drop target" ); +} + +// ------------------------------------------------------------------------ + +void SelectionManager::deregisterDropTarget( XLIB_Window aWindow ) +{ + osl::ClearableMutexGuard aGuard(m_aMutex); + + m_aDropTargets.erase( aWindow ); + if( aWindow == m_aDragSourceWindow && m_aDragRunning.check() ) + { + // abort drag + boost::unordered_map< XLIB_Window, DropTargetEntry >::const_iterator it = + m_aDropTargets.find( m_aDropWindow ); + if( it != m_aDropTargets.end() ) + { + DropTargetEvent dte; + dte.Source = static_cast< OWeakObject* >( it->second.m_pTarget ); + aGuard.clear(); + it->second.m_pTarget->dragExit( dte ); + } + else if( m_aDropProxy != None && m_nCurrentProtocolVersion >= 0 ) + { + // send XdndLeave + XEvent aEvent; + aEvent.type = ClientMessage; + aEvent.xclient.display = m_pDisplay; + aEvent.xclient.format = 32; + aEvent.xclient.message_type = m_nXdndLeave; + aEvent.xclient.window = m_aDropWindow; + aEvent.xclient.data.l[0] = m_aWindow; + memset( aEvent.xclient.data.l+1, 0, sizeof(long)*4); + m_aDropWindow = m_aDropProxy = None; + XSendEvent( m_pDisplay, m_aDropProxy, False, NoEventMask, &aEvent ); + } + // notify the listener + DragSourceDropEvent dsde; + dsde.Source = static_cast< OWeakObject* >(this); + dsde.DragSourceContext = new DragSourceContext( m_aDropWindow, m_nDragTimestamp, *this ); + dsde.DragSource = static_cast< XDragSource* >(this); + dsde.DropAction = DNDConstants::ACTION_NONE; + dsde.DropSuccess = sal_False; + css::uno::Reference< XDragSourceListener > xListener( m_xDragSourceListener ); + m_xDragSourceListener.clear(); + aGuard.clear(); + xListener->dragDropEnd( dsde ); + } +} + +/* + * SelectionAdaptor + */ + +css::uno::Reference< XTransferable > SelectionManager::getTransferable() throw() +{ + return m_xDragSourceTransferable; +} + +// ------------------------------------------------------------------------ + +void SelectionManager::clearTransferable() throw() +{ + m_xDragSourceTransferable.clear(); +} + +// ------------------------------------------------------------------------ + +void SelectionManager::fireContentsChanged() throw() +{ +} + +// ------------------------------------------------------------------------ + +css::uno::Reference< XInterface > SelectionManager::getReference() throw() +{ + return css::uno::Reference< XInterface >( static_cast<OWeakObject*>(this) ); +} + +// ------------------------------------------------------------------------ + +/* + * SelectionManagerHolder + */ + +SelectionManagerHolder::SelectionManagerHolder() : + ::cppu::WeakComponentImplHelper3< + XDragSource, + XInitialization, + XServiceInfo > (m_aMutex) +{ +} + +// ------------------------------------------------------------------------ + +SelectionManagerHolder::~SelectionManagerHolder() +{ +} + +// ------------------------------------------------------------------------ + +void SelectionManagerHolder::initialize( const Sequence< Any >& arguments ) throw( ::com::sun::star::uno::Exception ) +{ + OUString aDisplayName; + + if( arguments.getLength() > 0 ) + { + css::uno::Reference< XDisplayConnection > xConn; + arguments.getConstArray()[0] >>= xConn; + if( xConn.is() ) + { + Any aIdentifier; + aIdentifier >>= aDisplayName; + } + } + + SelectionManager& rManager = SelectionManager::get( aDisplayName ); + rManager.initialize( arguments ); + m_xRealDragSource = static_cast< XDragSource* >(&rManager); +} + +/* + * XDragSource + */ + +sal_Bool SelectionManagerHolder::isDragImageSupported() throw() +{ + return m_xRealDragSource.is() ? m_xRealDragSource->isDragImageSupported() : sal_False; +} + +// ------------------------------------------------------------------------ + +sal_Int32 SelectionManagerHolder::getDefaultCursor( sal_Int8 dragAction ) throw() +{ + return m_xRealDragSource.is() ? m_xRealDragSource->getDefaultCursor( dragAction ) : 0; +} + +// ------------------------------------------------------------------------ + +void SelectionManagerHolder::startDrag( + const ::com::sun::star::datatransfer::dnd::DragGestureEvent& trigger, + sal_Int8 sourceActions, sal_Int32 cursor, sal_Int32 image, + const css::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& transferable, + const css::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragSourceListener >& listener + ) throw() +{ + if( m_xRealDragSource.is() ) + m_xRealDragSource->startDrag( trigger, sourceActions, cursor, image, transferable, listener ); +} + +// ------------------------------------------------------------------------ + +/* + * XServiceInfo + */ + +// ------------------------------------------------------------------------ + +OUString SelectionManagerHolder::getImplementationName() throw() +{ + return OUString(RTL_CONSTASCII_USTRINGPARAM(XDND_IMPLEMENTATION_NAME)); +} + +// ------------------------------------------------------------------------ + +sal_Bool SelectionManagerHolder::supportsService( const OUString& ServiceName ) throw() +{ + Sequence < OUString > SupportedServicesNames = Xdnd_getSupportedServiceNames(); + + for ( sal_Int32 n = SupportedServicesNames.getLength(); n--; ) + if (SupportedServicesNames[n].compareTo(ServiceName) == 0) + return sal_True; + + return sal_False; +} + +// ------------------------------------------------------------------------ + +Sequence< OUString > SelectionManagerHolder::getSupportedServiceNames() throw() +{ + return Xdnd_getSupportedServiceNames(); +} + + +// ------------------------------------------------------------------------ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |