+++ /dev/null
-///////////////////////////////////////////////////////////////////////////////
-// Name: src/mac/carbon/dataobj.cpp
-// Purpose: implementation of wxDataObject class
-// Author: Stefan Csomor
-// Modified by:
-// Created: 10/21/99
-// RCS-ID: $Id$
-// Copyright: (c) 1999 Stefan Csomor
-// Licence: wxWindows licence
-///////////////////////////////////////////////////////////////////////////////
-
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#if wxUSE_DATAOBJ
-
-#include "wx/dataobj.h"
-
-#ifndef WX_PRECOMP
- #include "wx/intl.h"
- #include "wx/log.h"
- #include "wx/dcmemory.h"
- #include "wx/image.h"
-#endif
-
-#include "wx/mstream.h"
-#include "wx/metafile.h"
-#include "wx/tokenzr.h"
-
-#include "wx/mac/uma.h"
-
-#ifdef __DARWIN__
- #include <QuickTime/QuickTime.h>
-#endif
-
-
-// ----------------------------------------------------------------------------
-// wxDataFormat
-// ----------------------------------------------------------------------------
-
-wxDataFormat::wxDataFormat()
-{
- m_type = wxDF_INVALID;
- m_format = 0;
-}
-
-wxDataFormat::wxDataFormat( wxDataFormatId vType )
-{
- m_format = 0;
- m_type = wxDF_INVALID;
- SetType( vType );
-}
-
-wxDataFormat::wxDataFormat( const wxChar *zId )
-{
- m_format = 0;
- m_type = wxDF_INVALID;
- SetId( zId );
-}
-
-wxDataFormat::wxDataFormat( const wxString& rId )
-{
- m_format = 0;
- m_type = wxDF_INVALID;
- SetId( rId );
-}
-
-wxDataFormat::wxDataFormat(const wxDataFormat& rFormat)
-{
- if ( rFormat.m_format )
- m_format = (NativeFormat) CFStringCreateCopy(NULL, (CFStringRef)rFormat.m_format);
- else
- m_format = 0;
- m_type = rFormat.m_type;
- m_id = rFormat.m_id;
-}
-
-wxDataFormat::wxDataFormat( NativeFormat vFormat )
-{
- m_format = 0;
- m_type = wxDF_INVALID;
- SetId( vFormat );
-}
-
-wxDataFormat::~wxDataFormat()
-{
- if ( m_format != 0 )
- {
- CFRelease( (CFStringRef) m_format );
- m_format = 0;
- }
-}
-
-// in order to be correct for 10.3 we restrict to the available types there
-// http://developer.apple.com/qa/qa2005/qa1406.html
-// TODO : Use UTCoreTypes.h constants once we support 10.4+ only
-
-wxDataFormat& wxDataFormat::operator=(const wxDataFormat& rFormat)
-{
- if ( m_format != 0 )
- {
- CFRelease( (CFStringRef) m_format );
- m_format = 0;
- }
- if ( rFormat.m_format )
- m_format = (NativeFormat) CFStringCreateCopy(NULL, (CFStringRef)rFormat.m_format);
- m_type = rFormat.m_type;
- m_id = rFormat.m_id;
- return *this;
-}
-
-void wxDataFormat::SetType( wxDataFormatId dataType )
-{
- m_type = dataType;
- if ( m_format != 0 )
- {
- CFRelease( (CFStringRef) m_format );
- m_format = 0;
- }
-
- switch (m_type)
- {
- case wxDF_TEXT:
- m_format = (long) CFStringCreateCopy( NULL, CFSTR("public.plain-text") );
- break;
-
- case wxDF_UNICODETEXT:
- m_format = (long) CFStringCreateCopy( NULL, CFSTR("public.utf16-plain-text") );
- break;
-
- case wxDF_BITMAP:
- m_format = (long) CFStringCreateCopy( NULL, CFSTR("public.tiff") );
- break;
- case wxDF_METAFILE:
- m_format = (long) CFStringCreateCopy( NULL, CFSTR("com.adobe.pdf") );
- break;
-
- case wxDF_FILENAME:
- m_format = (long) CFStringCreateCopy( NULL, CFSTR("public.file-url") );
- break;
-
- default:
- wxFAIL_MSG( wxT("invalid data format") );
- break;
- }
-}
-
-wxString wxDataFormat::GetId() const
-{
- return wxCFStringRef(wxCFRetain((CFStringRef)m_format)).AsString();
-}
-
-void wxDataFormat::SetId( NativeFormat format )
-{
- if ( m_format != 0 )
- {
- CFRelease( (CFStringRef) m_format );
- m_format = 0;
- }
- m_format = (NativeFormat) CFStringCreateCopy(NULL, (CFStringRef)format);
- if ( UTTypeConformsTo( (CFStringRef)format, CFSTR("public.utf16-plain-text") ) )
- {
- m_type = wxDF_UNICODETEXT;
- }
- else if ( UTTypeConformsTo( (CFStringRef)format, CFSTR("public.plain-text") ) )
- {
- m_type = wxDF_TEXT;
- }
- else if ( UTTypeConformsTo( (CFStringRef)format, CFSTR("public.tiff") ) )
- {
- m_type = wxDF_BITMAP;
- }
- else if ( UTTypeConformsTo( (CFStringRef)format, CFSTR("com.adobe.pdf") ) )
- {
- m_type = wxDF_METAFILE;
- }
- else if ( UTTypeConformsTo( (CFStringRef)format, CFSTR("public.file-url") ) )
- {
- m_type = wxDF_FILENAME;
- }
- else
- {
- m_type = wxDF_PRIVATE;
- m_id = wxCFStringRef( (CFStringRef) CFRetain((CFStringRef) format )).AsString();
- }
-}
-
-void wxDataFormat::SetId( const wxString& zId )
-{
- m_type = wxDF_PRIVATE;
- m_id = zId;
- if ( m_format != 0 )
- {
- CFRelease( (CFStringRef) m_format );
- m_format = 0;
- }
- // since it is private, no need to conform to anything ...
- m_format = (long) wxCFRetain( (CFStringRef) wxCFStringRef(m_id) );
-}
-
-bool wxDataFormat::operator==(const wxDataFormat& format) const
-{
- if (IsStandard() || format.IsStandard())
- return (format.m_type == m_type);
- else
- return ( UTTypeConformsTo( (CFStringRef) m_format , (CFStringRef) format.m_format ) );
-}
-
-//-------------------------------------------------------------------------
-// wxDataObject
-//-------------------------------------------------------------------------
-
-wxDataObject::wxDataObject()
-{
-}
-
-bool wxDataObject::IsSupportedFormat( const wxDataFormat& rFormat, Direction vDir ) const
-{
- size_t nFormatCount = GetFormatCount( vDir );
- bool found = false;
-
- if (nFormatCount == 1)
- {
- found = (rFormat == GetPreferredFormat());
- }
- else
- {
- wxDataFormat *pFormats = new wxDataFormat[nFormatCount];
- GetAllFormats( pFormats, vDir );
-
- for (size_t n = 0; n < nFormatCount; n++)
- {
- if (pFormats[n] == rFormat)
- {
- found = true;
- break;
- }
- }
-
- delete [] pFormats;
- }
-
- return found;
-}
-
-void wxDataObject::AddToPasteboard( void * pb, int itemID )
-{
- PasteboardRef pasteboard = (PasteboardRef) pb;
- // get formats from wxDataObjects
- wxDataFormat *array = new wxDataFormat[ GetFormatCount() ];
- GetAllFormats( array );
-
- for (size_t i = 0; i < GetFormatCount(); i++)
- {
- wxDataFormat thisFormat = array[ i ];
-
- // add four bytes at the end for data objs like text that
- // have a datasize = strlen but still need a buffer for the
- // string including trailing zero
-
- size_t datasize = GetDataSize( thisFormat );
- size_t sz = datasize + 4;
- void* buf = malloc( sz );
- if ( buf != NULL )
- {
- // empty the buffer because in some case GetDataHere does not fill buf
- memset( buf, 0, sz );
- if ( GetDataHere( array[ i ], buf ) )
- {
- int counter = 1 ;
- if ( thisFormat.GetType() == wxDF_FILENAME )
- {
- // the data is D-normalized UTF8 strings of filenames delimited with \n
- char *fname = strtok((char*) buf,"\n");
- while (fname != NULL)
- {
- // translate the filepath into a fileurl and put that into the pasteobard
- CFStringRef path = CFStringCreateWithBytes(NULL,(UInt8*)fname,strlen(fname),kCFStringEncodingUTF8,false);
- CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path , kCFURLPOSIXPathStyle, false);
- CFRelease(path);
- CFDataRef data = CFURLCreateData(NULL,url,kCFStringEncodingUTF8,true);
- CFRelease(url);
- PasteboardPutItemFlavor( pasteboard, (PasteboardItemID) counter,
- (CFStringRef) thisFormat.GetFormatId() , data, kPasteboardFlavorNoFlags);
- CFRelease( data );
- counter++;
- fname = strtok (NULL,"\n");
- }
-
- }
- else
- {
- CFDataRef data = CFDataCreate( kCFAllocatorDefault, (UInt8*)buf, datasize );
- if ( thisFormat.GetType() == wxDF_TEXT )
- PasteboardPutItemFlavor( pasteboard, (PasteboardItemID) itemID,
- CFSTR("com.apple.traditional-mac-plain-text") , data, kPasteboardFlavorNoFlags);
- else
- PasteboardPutItemFlavor( pasteboard, (PasteboardItemID) itemID,
- (CFStringRef) thisFormat.GetFormatId() , data, kPasteboardFlavorNoFlags);
- CFRelease( data );
- }
- }
- free( buf );
- }
- }
-
- delete [] array;
-}
-
-bool wxDataObject::IsFormatInPasteboard( void * pb, const wxDataFormat &dataFormat )
-{
- PasteboardRef pasteboard = (PasteboardRef) pb;
- bool hasData = false;
- OSStatus err = noErr;
- ItemCount itemCount;
-
- // we synchronize here once again, so we don't mind which flags get returned
- PasteboardSynchronize( pasteboard );
-
- err = PasteboardGetItemCount( pasteboard, &itemCount );
- if ( err == noErr )
- {
- for( UInt32 itemIndex = 1; itemIndex <= itemCount && hasData == false ; itemIndex++ )
- {
- PasteboardItemID itemID;
- CFArrayRef flavorTypeArray;
- CFIndex flavorCount;
-
- err = PasteboardGetItemIdentifier( pasteboard, itemIndex, &itemID );
- if ( err != noErr )
- continue;
-
- err = PasteboardCopyItemFlavors( pasteboard, itemID, &flavorTypeArray );
- if ( err != noErr )
- continue;
-
- flavorCount = CFArrayGetCount( flavorTypeArray );
-
- for( CFIndex flavorIndex = 0; flavorIndex < flavorCount && hasData == false ; flavorIndex++ )
- {
- CFStringRef flavorType;
-
- flavorType = (CFStringRef)CFArrayGetValueAtIndex( flavorTypeArray,
- flavorIndex );
-
- wxDataFormat flavorFormat( (wxDataFormat::NativeFormat) flavorType );
- if ( dataFormat == flavorFormat )
- hasData = true;
- else if ( dataFormat.GetType() == wxDF_UNICODETEXT && flavorFormat.GetType() == wxDF_TEXT )
- hasData = true;
- }
- CFRelease (flavorTypeArray);
- }
- }
-
- return hasData;
-}
-
-bool wxDataObject::GetFromPasteboard( void * pb )
-{
- PasteboardRef pasteboard = (PasteboardRef) pb;
- size_t formatcount = GetFormatCount() + 1;
- wxDataFormat *array = new wxDataFormat[ formatcount ];
- array[0] = GetPreferredFormat();
- GetAllFormats( &array[1] );
- ItemCount itemCount = 0;
- wxString filenamesPassed;
- bool transferred = false;
-
- // we synchronize here once again, so we don't mind which flags get returned
- PasteboardSynchronize( pasteboard );
-
- OSStatus err = PasteboardGetItemCount( pasteboard, &itemCount );
- if ( err == noErr )
- {
- for (size_t i = 0; !transferred && i < formatcount; i++)
- {
- // go through the data in our order of preference
- wxDataFormat dataFormat = array[ i ];
-
- for( UInt32 itemIndex = 1; itemIndex <= itemCount && transferred == false ; itemIndex++ )
- {
- PasteboardItemID itemID = 0;
- CFArrayRef flavorTypeArray = NULL;
- CFIndex flavorCount = 0;
-
- err = PasteboardGetItemIdentifier( pasteboard, itemIndex, &itemID );
- if ( err != noErr )
- continue;
-
- err = PasteboardCopyItemFlavors( pasteboard, itemID, &flavorTypeArray );
- if ( err != noErr )
- continue;
-
- flavorCount = CFArrayGetCount( flavorTypeArray );
-
- for( CFIndex flavorIndex = 0; !transferred && flavorIndex < flavorCount ; flavorIndex++ )
- {
- CFStringRef flavorType;
- CFDataRef flavorData;
- CFIndex flavorDataSize;
-
- flavorType = (CFStringRef)CFArrayGetValueAtIndex( flavorTypeArray,
- flavorIndex );
-
- wxDataFormat flavorFormat( (wxDataFormat::NativeFormat) flavorType );
-
- if ( dataFormat == flavorFormat )
- {
- err = PasteboardCopyItemFlavorData( pasteboard, itemID, flavorType , &flavorData );
- if ( err == noErr )
- {
- flavorDataSize = CFDataGetLength( flavorData );
- if (dataFormat.GetType() == wxDF_FILENAME )
- {
- // revert the translation and decomposition to arrive at a proper utf8 string again
- CFURLRef url = CFURLCreateWithBytes( kCFAllocatorDefault, CFDataGetBytePtr( flavorData ), flavorDataSize, kCFStringEncodingUTF8, NULL );
- CFStringRef cfString = CFURLCopyFileSystemPath( url, kCFURLPOSIXPathStyle );
- CFRelease( url );
- CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfString);
- CFRelease( cfString );
- CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
- wxString path = wxCFStringRef(cfMutableString).AsString();
- if (!path.empty())
- filenamesPassed += path + wxT("\n");
- }
- else
- {
- // because some data implementation expect trailing a trailing NUL, we add some headroom
- void *buf = malloc( flavorDataSize + 4 );
- if ( buf )
- {
- memset( buf, 0, flavorDataSize + 4 );
- memcpy( buf, CFDataGetBytePtr( flavorData ), flavorDataSize );
-
- if (dataFormat.GetType() == wxDF_TEXT)
- wxMacConvertNewlines10To13( (char*) buf );
- SetData( flavorFormat, flavorDataSize, buf );
- transferred = true;
- free( buf );
- }
- }
- CFRelease (flavorData);
- }
- }
- else if ( dataFormat.GetType() == wxDF_UNICODETEXT && flavorFormat.GetType() == wxDF_TEXT )
- {
- err = PasteboardCopyItemFlavorData( pasteboard, itemID, flavorType, &flavorData );
- if ( err == noErr )
- {
- flavorDataSize = CFDataGetLength( flavorData );
- void *asciibuf = malloc( flavorDataSize + 1 );
- if ( asciibuf )
- {
- memset( asciibuf, 0, flavorDataSize + 1 );
- memcpy( asciibuf, CFDataGetBytePtr( flavorData ), flavorDataSize );
- CFRelease (flavorData);
-
- SetData( wxDF_TEXT, flavorDataSize, asciibuf );
- transferred = true;
- free( asciibuf );
- }
- else
- CFRelease (flavorData);
- }
- }
- }
- CFRelease( flavorTypeArray );
- }
- if (filenamesPassed.length() > 0)
- {
- wxCharBuffer buf = filenamesPassed.fn_str();
- SetData( wxDF_FILENAME, strlen( buf ), (const char*)buf );
- transferred = true;
- }
- }
- }
- return transferred;
-}
-
-bool wxDataObject::HasDataInPasteboard( void * pb )
-{
- PasteboardRef pasteboard = (PasteboardRef) pb;
- size_t formatcount = GetFormatCount() + 1;
- wxDataFormat *array = new wxDataFormat[ formatcount ];
- array[0] = GetPreferredFormat();
- GetAllFormats( &array[1] );
- ItemCount itemCount = 0;
- bool hasData = false;
-
- // we synchronize here once again, so we don't mind which flags get returned
- PasteboardSynchronize( pasteboard );
-
- OSStatus err = PasteboardGetItemCount( pasteboard, &itemCount );
- if ( err == noErr )
- {
- for (size_t i = 0; !hasData && i < formatcount; i++)
- {
- // go through the data in our order of preference
- wxDataFormat dataFormat = array[ i ];
-
- for( UInt32 itemIndex = 1; itemIndex <= itemCount && hasData == false ; itemIndex++ )
- {
- PasteboardItemID itemID = 0;
- CFArrayRef flavorTypeArray = NULL;
- CFIndex flavorCount = 0;
-
- err = PasteboardGetItemIdentifier( pasteboard, itemIndex, &itemID );
- if ( err != noErr )
- continue;
-
- err = PasteboardCopyItemFlavors( pasteboard, itemID, &flavorTypeArray );
- if ( err != noErr )
- continue;
-
- flavorCount = CFArrayGetCount( flavorTypeArray );
-
- for( CFIndex flavorIndex = 0; !hasData && flavorIndex < flavorCount ; flavorIndex++ )
- {
- CFStringRef flavorType;
-
- flavorType = (CFStringRef)CFArrayGetValueAtIndex( flavorTypeArray,
- flavorIndex );
-
- wxDataFormat flavorFormat( (wxDataFormat::NativeFormat) flavorType );
-
- if ( dataFormat == flavorFormat ||
- dataFormat.GetType() == wxDF_UNICODETEXT && flavorFormat.GetType() == wxDF_TEXT )
- {
- hasData = true;
- }
- }
- CFRelease( flavorTypeArray );
- }
- }
- }
- return hasData;
-}
-
-// ----------------------------------------------------------------------------
-// wxTextDataObject
-// ----------------------------------------------------------------------------
-
-#if wxUSE_UNICODE
-void wxTextDataObject::GetAllFormats(wxDataFormat *formats,
- wxDataObjectBase::Direction WXUNUSED(dir)) const
-{
- *formats++ = wxDataFormat( wxDF_TEXT );
- *formats = wxDataFormat( wxDF_UNICODETEXT );
-}
-#endif
-
-// ----------------------------------------------------------------------------
-// wxFileDataObject
-// ----------------------------------------------------------------------------
-
-void wxFileDataObject::GetFileNames( wxCharBuffer &buf ) const
-{
- wxString filenames;
-
- for (size_t i = 0; i < m_filenames.GetCount(); i++)
- {
- filenames += m_filenames[i];
- filenames += wxT('\n');
- }
-
- buf = filenames.fn_str();
-}
-
-bool wxFileDataObject::GetDataHere( void *pBuf ) const
-{
- if (pBuf == NULL)
- return false;
-
- wxCharBuffer buf;
- size_t buffLength;
-
- GetFileNames( buf );
- buffLength = strlen( buf );
- memcpy( pBuf, (const char*)buf, buffLength + 1 );
-
- return true;
-}
-
-size_t wxFileDataObject::GetDataSize() const
-{
- wxCharBuffer buf;
- size_t buffLength;
-
- GetFileNames( buf );
- buffLength = strlen( buf );
- // terminating 0
- return buffLength + 1;
-}
-
-bool wxFileDataObject::SetData( size_t WXUNUSED(nSize), const void *pBuf )
-{
- wxString filenames;
-
-#if wxUSE_UNICODE
- filenames = wxString( (const char*)pBuf, *wxConvFileName );
-#else
- filenames = wxString (wxConvLocal.cWC2WX(wxConvFileName->cMB2WC( (const char*)pBuf)));
-#endif
-
- m_filenames = wxStringTokenize( filenames, wxT("\n"), wxTOKEN_STRTOK );
-
- return true;
-}
-
-void wxFileDataObject::AddFile( const wxString& rFilename )
-{
- m_filenames.Add( rFilename );
-}
-
-// ----------------------------------------------------------------------------
-// wxBitmapDataObject
-// ----------------------------------------------------------------------------
-
-wxBitmapDataObject::wxBitmapDataObject()
-{
- Init();
-}
-
-wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& rBitmap )
-: wxBitmapDataObjectBase( rBitmap )
-{
- Init();
-
- if (m_bitmap.Ok())
- {
- SetBitmap( rBitmap );
- }
-}
-
-wxBitmapDataObject::~wxBitmapDataObject()
-{
- Clear();
-}
-
-void wxBitmapDataObject::SetBitmap( const wxBitmap& rBitmap )
-{
- Clear();
- wxBitmapDataObjectBase::SetBitmap( rBitmap );
- if (m_bitmap.Ok())
- {
- CGImageRef cgImageRef = (CGImageRef) m_bitmap.CreateCGImage();
-
- CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
- CGImageDestinationRef destination = CGImageDestinationCreateWithData( data , kUTTypeTIFF , 1 , NULL );
- if ( destination )
- {
- CGImageDestinationAddImage( destination, cgImageRef, NULL );
- CGImageDestinationFinalize( destination );
- CFRelease( destination );
- }
- m_pictHandle = NewHandle(CFDataGetLength(data));
- if ( m_pictHandle )
- {
- memcpy( *(Handle)m_pictHandle, (const char *)CFDataGetBytePtr(data), CFDataGetLength(data) );
- }
- CFRelease( data );
-
- CGImageRelease(cgImageRef);
- }
-}
-
-void wxBitmapDataObject::Init()
-{
- m_pictHandle = NULL;
- m_pictCreated = false;
-}
-
-void wxBitmapDataObject::Clear()
-{
- if (m_pictHandle != NULL)
- {
- DisposeHandle( (Handle) m_pictHandle );
- m_pictHandle = NULL;
- }
- m_pictCreated = false;
-}
-
-bool wxBitmapDataObject::GetDataHere( void *pBuf ) const
-{
- if (m_pictHandle == NULL)
- {
- wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") );
- return false;
- }
-
- if (pBuf == NULL)
- return false;
-
- memcpy( pBuf, *(Handle)m_pictHandle, GetHandleSize( (Handle)m_pictHandle ) );
-
- return true;
-}
-
-size_t wxBitmapDataObject::GetDataSize() const
-{
- if (m_pictHandle != NULL)
- return GetHandleSize( (Handle)m_pictHandle );
- else
- return 0;
-}
-
-Handle MacCreateDataReferenceHandle(Handle theDataHandle)
-{
- Handle dataRef = NULL;
- OSErr err = noErr;
-
- // Create a data reference handle for our data.
- err = PtrToHand( &theDataHandle, &dataRef, sizeof(Handle));
-
- return dataRef;
-}
-
-bool wxBitmapDataObject::SetData( size_t nSize, const void *pBuf )
-{
- Clear();
-
- if ((pBuf == NULL) || (nSize == 0))
- return false;
-
- Handle picHandle = NewHandle( nSize );
- memcpy( *picHandle, pBuf, nSize );
- m_pictHandle = picHandle;
- CGImageRef cgImageRef = 0;
-
- CFDataRef data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) pBuf, nSize, kCFAllocatorNull);
- CGImageSourceRef source = CGImageSourceCreateWithData( data, NULL );
- if ( source )
- {
- cgImageRef = CGImageSourceCreateImageAtIndex(source, 0, NULL);
- }
- CFRelease( source );
- CFRelease( data );
-
- if ( cgImageRef )
- {
- m_bitmap.Create( CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
- CGRect r = CGRectMake( 0 , 0 , CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
- // since our context is upside down we dont use CGContextDrawImage
- wxMacDrawCGImage( (CGContextRef) m_bitmap.GetHBITMAP() , &r, cgImageRef ) ;
- CGImageRelease(cgImageRef);
- cgImageRef = NULL;
- }
-
- return m_bitmap.Ok();
-}
-
-#endif
projects / wxWidgets.git / blobdiff