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Document lack of wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK under OS X.
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489468fe 1///////////////////////////////////////////////////////////////////////////////
524c47aa 2// Name: src/osx/carbon/dataobj.cpp
489468fe
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3// Purpose: implementation of wxDataObject class
4// Author: Stefan Csomor
5// Modified by:
6// Created: 10/21/99
7// RCS-ID: $Id$
8// Copyright: (c) 1999 Stefan Csomor
9// Licence: wxWindows licence
10///////////////////////////////////////////////////////////////////////////////
11
12// For compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
15#if wxUSE_DATAOBJ
16
17#include "wx/dataobj.h"
18
19#ifndef WX_PRECOMP
20 #include "wx/intl.h"
21 #include "wx/log.h"
22 #include "wx/dcmemory.h"
23 #include "wx/image.h"
24#endif
25
26#include "wx/mstream.h"
27#include "wx/metafile.h"
28#include "wx/tokenzr.h"
fb35086d 29#include "wx/filename.h"
489468fe 30
524c47aa 31#include "wx/osx/private.h"
489468fe 32
afd5d91c 33#if wxOSX_USE_COCOA_OR_CARBON
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34 #include <QuickTime/QuickTime.h>
35#endif
36
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37// ----------------------------------------------------------------------------
38// wxDataFormat
39// ----------------------------------------------------------------------------
40
41wxDataFormat::wxDataFormat()
42{
43 m_type = wxDF_INVALID;
44 m_format = 0;
45}
46
47wxDataFormat::wxDataFormat( wxDataFormatId vType )
48{
49 m_format = 0;
50 m_type = wxDF_INVALID;
51 SetType( vType );
52}
53
54wxDataFormat::wxDataFormat( const wxChar *zId )
55{
56 m_format = 0;
57 m_type = wxDF_INVALID;
58 SetId( zId );
59}
60
61wxDataFormat::wxDataFormat( const wxString& rId )
62{
63 m_format = 0;
64 m_type = wxDF_INVALID;
65 SetId( rId );
66}
67
68wxDataFormat::wxDataFormat(const wxDataFormat& rFormat)
69{
70 if ( rFormat.m_format )
71 m_format = (NativeFormat) CFStringCreateCopy(NULL, (CFStringRef)rFormat.m_format);
72 else
73 m_format = 0;
74 m_type = rFormat.m_type;
75 m_id = rFormat.m_id;
76}
77
78wxDataFormat::wxDataFormat( NativeFormat vFormat )
79{
80 m_format = 0;
81 m_type = wxDF_INVALID;
82 SetId( vFormat );
83}
84
85wxDataFormat::~wxDataFormat()
86{
87 if ( m_format != 0 )
88 {
89 CFRelease( (CFStringRef) m_format );
90 m_format = 0;
91 }
92}
93
94// in order to be correct for 10.3 we restrict to the available types there
95// http://developer.apple.com/qa/qa2005/qa1406.html
96// TODO : Use UTCoreTypes.h constants once we support 10.4+ only
97
98wxDataFormat& wxDataFormat::operator=(const wxDataFormat& rFormat)
99{
100 if ( m_format != 0 )
101 {
102 CFRelease( (CFStringRef) m_format );
103 m_format = 0;
104 }
105 if ( rFormat.m_format )
106 m_format = (NativeFormat) CFStringCreateCopy(NULL, (CFStringRef)rFormat.m_format);
107 m_type = rFormat.m_type;
108 m_id = rFormat.m_id;
109 return *this;
110}
111
112void wxDataFormat::SetType( wxDataFormatId dataType )
113{
114 m_type = dataType;
115 if ( m_format != 0 )
116 {
117 CFRelease( (CFStringRef) m_format );
118 m_format = 0;
119 }
120
121 switch (m_type)
122 {
123 case wxDF_TEXT:
2979ddbe 124 m_format = (long) CFStringCreateCopy( NULL, kUTTypePlainText );
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125 break;
126
127 case wxDF_UNICODETEXT:
2979ddbe 128 m_format = (long) CFStringCreateCopy( NULL, kUTTypeUTF16PlainText );
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129 break;
130
b8acf11e 131 case wxDF_HTML:
2979ddbe 132 m_format = (long) CFStringCreateCopy( NULL, kUTTypeHTML );
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133 break;
134
489468fe 135 case wxDF_BITMAP:
2979ddbe 136 m_format = (long) CFStringCreateCopy( NULL, kUTTypeTIFF );
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137 break;
138 case wxDF_METAFILE:
2979ddbe 139 m_format = (long) CFStringCreateCopy( NULL, kUTTypePDF );
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140 break;
141
142 case wxDF_FILENAME:
2979ddbe 143 m_format = (long) CFStringCreateCopy( NULL, kUTTypeFileURL );
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144 break;
145
146 default:
147 wxFAIL_MSG( wxT("invalid data format") );
148 break;
149 }
150}
151
152wxString wxDataFormat::GetId() const
153{
154 return wxCFStringRef(wxCFRetain((CFStringRef)m_format)).AsString();
155}
156
157void wxDataFormat::SetId( NativeFormat format )
158{
159 if ( m_format != 0 )
160 {
161 CFRelease( (CFStringRef) m_format );
162 m_format = 0;
163 }
164 m_format = (NativeFormat) CFStringCreateCopy(NULL, (CFStringRef)format);
2979ddbe 165 if ( UTTypeConformsTo( (CFStringRef)format, kUTTypeHTML ) )
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166 {
167 m_type = wxDF_HTML;
168 }
2979ddbe 169 if ( UTTypeConformsTo( (CFStringRef)format, kUTTypeUTF16PlainText ) )
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170 {
171 m_type = wxDF_UNICODETEXT;
90dad08e 172 }
2979ddbe 173 else if ( UTTypeConformsTo( (CFStringRef)format,kUTTypeUTF16ExternalPlainText ) )
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174 {
175 m_type = wxDF_UNICODETEXT;
03647350 176 }
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177 else if ( UTTypeConformsTo( (CFStringRef)format,kUTTypeUTF8PlainText ) )
178 {
179 m_type = wxDF_UNICODETEXT;
180 }
181 else if ( UTTypeConformsTo( (CFStringRef)format, kUTTypePlainText ) )
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182 {
183 m_type = wxDF_TEXT;
184 }
2979ddbe 185 else if ( UTTypeConformsTo( (CFStringRef)format, kUTTypeImage ) )
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186 {
187 m_type = wxDF_BITMAP;
188 }
2979ddbe 189 else if ( UTTypeConformsTo( (CFStringRef)format, kUTTypePDF ) )
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190 {
191 m_type = wxDF_METAFILE;
192 }
2979ddbe 193 else if ( UTTypeConformsTo( (CFStringRef)format, kUTTypeFileURL ) ||
fb35086d 194 UTTypeConformsTo( (CFStringRef)format, kPasteboardTypeFileURLPromise))
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195 {
196 m_type = wxDF_FILENAME;
197 }
03647350 198 else
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199 {
200 m_type = wxDF_PRIVATE;
201 m_id = wxCFStringRef( (CFStringRef) CFRetain((CFStringRef) format )).AsString();
202 }
203}
204
205void wxDataFormat::SetId( const wxString& zId )
206{
207 m_type = wxDF_PRIVATE;
208 m_id = zId;
209 if ( m_format != 0 )
210 {
211 CFRelease( (CFStringRef) m_format );
212 m_format = 0;
213 }
214 // since it is private, no need to conform to anything ...
215 m_format = (long) wxCFRetain( (CFStringRef) wxCFStringRef(m_id) );
216}
217
218bool wxDataFormat::operator==(const wxDataFormat& format) const
219{
220 if (IsStandard() || format.IsStandard())
221 return (format.m_type == m_type);
222 else
223 return ( UTTypeConformsTo( (CFStringRef) m_format , (CFStringRef) format.m_format ) );
224}
225
226//-------------------------------------------------------------------------
227// wxDataObject
228//-------------------------------------------------------------------------
229
230wxDataObject::wxDataObject()
231{
232}
233
234bool wxDataObject::IsSupportedFormat( const wxDataFormat& rFormat, Direction vDir ) const
235{
236 size_t nFormatCount = GetFormatCount( vDir );
237 bool found = false;
238
239 if (nFormatCount == 1)
240 {
241 found = (rFormat == GetPreferredFormat());
242 }
243 else
244 {
245 wxDataFormat *pFormats = new wxDataFormat[nFormatCount];
246 GetAllFormats( pFormats, vDir );
247
248 for (size_t n = 0; n < nFormatCount; n++)
249 {
250 if (pFormats[n] == rFormat)
251 {
252 found = true;
253 break;
254 }
255 }
256
257 delete [] pFormats;
258 }
259
260 return found;
261}
262
263void wxDataObject::AddToPasteboard( void * pb, int itemID )
264{
265 PasteboardRef pasteboard = (PasteboardRef) pb;
266 // get formats from wxDataObjects
267 wxDataFormat *array = new wxDataFormat[ GetFormatCount() ];
268 GetAllFormats( array );
269
270 for (size_t i = 0; i < GetFormatCount(); i++)
271 {
272 wxDataFormat thisFormat = array[ i ];
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273
274 // add four bytes at the end for data objs like text that
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275 // have a datasize = strlen but still need a buffer for the
276 // string including trailing zero
03647350 277
489468fe 278 size_t datasize = GetDataSize( thisFormat );
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279 if ( datasize == wxCONV_FAILED && thisFormat.GetType() == wxDF_TEXT)
280 {
281 // conversion to local text failed, so we must use unicode
282 // if wxDF_UNICODETEXT is already on the 'todo' list, skip this iteration
283 // otherwise force it
284 size_t j = 0;
285 for (j = 0; j < GetFormatCount(); j++)
286 {
287 if ( array[j].GetType() == wxDF_UNICODETEXT )
288 break;
289 }
290 if ( j < GetFormatCount() )
291 continue;
292
293 thisFormat.SetType(wxDF_UNICODETEXT);
294 datasize = GetDataSize( thisFormat );
295 }
296
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297 size_t sz = datasize + 4;
298 void* buf = malloc( sz );
299 if ( buf != NULL )
300 {
301 // empty the buffer because in some case GetDataHere does not fill buf
302 memset( buf, 0, sz );
2979ddbe 303 if ( GetDataHere( thisFormat, buf ) )
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304 {
305 int counter = 1 ;
306 if ( thisFormat.GetType() == wxDF_FILENAME )
307 {
308 // the data is D-normalized UTF8 strings of filenames delimited with \n
309 char *fname = strtok((char*) buf,"\n");
310 while (fname != NULL)
311 {
312 // translate the filepath into a fileurl and put that into the pasteobard
313 CFStringRef path = CFStringCreateWithBytes(NULL,(UInt8*)fname,strlen(fname),kCFStringEncodingUTF8,false);
314 CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path , kCFURLPOSIXPathStyle, false);
315 CFRelease(path);
316 CFDataRef data = CFURLCreateData(NULL,url,kCFStringEncodingUTF8,true);
317 CFRelease(url);
318 PasteboardPutItemFlavor( pasteboard, (PasteboardItemID) counter,
319 (CFStringRef) thisFormat.GetFormatId() , data, kPasteboardFlavorNoFlags);
320 CFRelease( data );
321 counter++;
322 fname = strtok (NULL,"\n");
323 }
03647350 324
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325 }
326 else
327 {
328 CFDataRef data = CFDataCreate( kCFAllocatorDefault, (UInt8*)buf, datasize );
329 if ( thisFormat.GetType() == wxDF_TEXT )
330 PasteboardPutItemFlavor( pasteboard, (PasteboardItemID) itemID,
331 CFSTR("com.apple.traditional-mac-plain-text") , data, kPasteboardFlavorNoFlags);
332 else
333 PasteboardPutItemFlavor( pasteboard, (PasteboardItemID) itemID,
334 (CFStringRef) thisFormat.GetFormatId() , data, kPasteboardFlavorNoFlags);
335 CFRelease( data );
336 }
337 }
338 free( buf );
339 }
340 }
341
342 delete [] array;
343}
344
345bool wxDataObject::IsFormatInPasteboard( void * pb, const wxDataFormat &dataFormat )
346{
347 PasteboardRef pasteboard = (PasteboardRef) pb;
348 bool hasData = false;
349 OSStatus err = noErr;
350 ItemCount itemCount;
351
352 // we synchronize here once again, so we don't mind which flags get returned
353 PasteboardSynchronize( pasteboard );
354
355 err = PasteboardGetItemCount( pasteboard, &itemCount );
356 if ( err == noErr )
357 {
358 for( UInt32 itemIndex = 1; itemIndex <= itemCount && hasData == false ; itemIndex++ )
359 {
360 PasteboardItemID itemID;
361 CFArrayRef flavorTypeArray;
362 CFIndex flavorCount;
03647350 363
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364 err = PasteboardGetItemIdentifier( pasteboard, itemIndex, &itemID );
365 if ( err != noErr )
366 continue;
03647350 367
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368 err = PasteboardCopyItemFlavors( pasteboard, itemID, &flavorTypeArray );
369 if ( err != noErr )
370 continue;
03647350 371
489468fe 372 flavorCount = CFArrayGetCount( flavorTypeArray );
03647350 373
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374 for( CFIndex flavorIndex = 0; flavorIndex < flavorCount && hasData == false ; flavorIndex++ )
375 {
376 CFStringRef flavorType;
03647350 377
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378 flavorType = (CFStringRef)CFArrayGetValueAtIndex( flavorTypeArray,
379 flavorIndex );
03647350 380
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381 wxDataFormat flavorFormat( (wxDataFormat::NativeFormat) flavorType );
382 if ( dataFormat == flavorFormat )
383 hasData = true;
384 else if ( dataFormat.GetType() == wxDF_UNICODETEXT && flavorFormat.GetType() == wxDF_TEXT )
385 hasData = true;
386 }
387 CFRelease (flavorTypeArray);
388 }
389 }
390
391 return hasData;
392}
393
394bool wxDataObject::GetFromPasteboard( void * pb )
395{
396 PasteboardRef pasteboard = (PasteboardRef) pb;
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397
398 size_t formatcount = GetFormatCount(wxDataObject::Set);
489468fe 399 wxDataFormat *array = new wxDataFormat[ formatcount ];
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400 GetAllFormats(array, wxDataObject::Set);
401
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402 ItemCount itemCount = 0;
403 wxString filenamesPassed;
404 bool transferred = false;
3c703700 405 bool pastelocationset = false;
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406
407 // we synchronize here once again, so we don't mind which flags get returned
408 PasteboardSynchronize( pasteboard );
409
410 OSStatus err = PasteboardGetItemCount( pasteboard, &itemCount );
411 if ( err == noErr )
412 {
413 for (size_t i = 0; !transferred && i < formatcount; i++)
414 {
415 // go through the data in our order of preference
416 wxDataFormat dataFormat = array[ i ];
417
418 for( UInt32 itemIndex = 1; itemIndex <= itemCount && transferred == false ; itemIndex++ )
419 {
420 PasteboardItemID itemID = 0;
421 CFArrayRef flavorTypeArray = NULL;
422 CFIndex flavorCount = 0;
423
424 err = PasteboardGetItemIdentifier( pasteboard, itemIndex, &itemID );
425 if ( err != noErr )
426 continue;
427
428 err = PasteboardCopyItemFlavors( pasteboard, itemID, &flavorTypeArray );
429 if ( err != noErr )
430 continue;
03647350 431
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432 flavorCount = CFArrayGetCount( flavorTypeArray );
433
434 for( CFIndex flavorIndex = 0; !transferred && flavorIndex < flavorCount ; flavorIndex++ )
435 {
436 CFStringRef flavorType;
437 CFDataRef flavorData;
438 CFIndex flavorDataSize;
03647350 439
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440 flavorType = (CFStringRef)CFArrayGetValueAtIndex( flavorTypeArray,
441 flavorIndex );
442
443 wxDataFormat flavorFormat( (wxDataFormat::NativeFormat) flavorType );
03647350 444
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445 if ( dataFormat == flavorFormat )
446 {
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447 if ( UTTypeConformsTo( (CFStringRef)flavorType, kPasteboardTypeFileURLPromise) )
448 {
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449 if ( !pastelocationset )
450 {
451 wxString tempdir = wxFileName::GetTempDir() + wxFILE_SEP_PATH + "wxtemp.XXXXXX";
452 char* result = mkdtemp((char*)tempdir.fn_str().data());
453
454 if (!result)
455 continue;
456
457 wxCFRef<CFURLRef> dest(CFURLCreateFromFileSystemRepresentation(NULL,(const UInt8*)result,strlen(result),true));
458 PasteboardSetPasteLocation(pasteboard, dest);
459 pastelocationset = true;
460 }
fb35086d 461 }
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462 else if ( flavorFormat.GetType() != wxDF_PRIVATE )
463 {
464 // indicate the expected format for the type, benefiting from native conversions eg utf8 -> utf16
465 flavorType = (CFStringRef) wxDataFormat( flavorFormat.GetType()).GetFormatId();
466 }
467
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468 err = PasteboardCopyItemFlavorData( pasteboard, itemID, flavorType , &flavorData );
469 if ( err == noErr )
470 {
471 flavorDataSize = CFDataGetLength( flavorData );
472 if (dataFormat.GetType() == wxDF_FILENAME )
473 {
fb35086d 474 // revert the translation and decomposition to arrive at a proper utf8 string again
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475 CFURLRef url = CFURLCreateWithBytes( kCFAllocatorDefault, CFDataGetBytePtr( flavorData ), flavorDataSize, kCFStringEncodingUTF8, NULL );
476 CFStringRef cfString = CFURLCopyFileSystemPath( url, kCFURLPOSIXPathStyle );
477 CFRelease( url );
478 CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfString);
479 CFRelease( cfString );
480 CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
481 wxString path = wxCFStringRef(cfMutableString).AsString();
482 if (!path.empty())
483 filenamesPassed += path + wxT("\n");
484 }
485 else
486 {
487 // because some data implementation expect trailing a trailing NUL, we add some headroom
488 void *buf = malloc( flavorDataSize + 4 );
489 if ( buf )
490 {
491 memset( buf, 0, flavorDataSize + 4 );
492 memcpy( buf, CFDataGetBytePtr( flavorData ), flavorDataSize );
03647350 493
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494 if (dataFormat.GetType() == wxDF_TEXT)
495 wxMacConvertNewlines10To13( (char*) buf );
496 SetData( flavorFormat, flavorDataSize, buf );
497 transferred = true;
498 free( buf );
499 }
500 }
501 CFRelease (flavorData);
502 }
503 }
504 else if ( dataFormat.GetType() == wxDF_UNICODETEXT && flavorFormat.GetType() == wxDF_TEXT )
505 {
506 err = PasteboardCopyItemFlavorData( pasteboard, itemID, flavorType, &flavorData );
507 if ( err == noErr )
508 {
509 flavorDataSize = CFDataGetLength( flavorData );
510 void *asciibuf = malloc( flavorDataSize + 1 );
511 if ( asciibuf )
512 {
513 memset( asciibuf, 0, flavorDataSize + 1 );
514 memcpy( asciibuf, CFDataGetBytePtr( flavorData ), flavorDataSize );
515 CFRelease (flavorData);
516
517 SetData( wxDF_TEXT, flavorDataSize, asciibuf );
518 transferred = true;
519 free( asciibuf );
520 }
521 else
522 CFRelease (flavorData);
523 }
524 }
525 }
526 CFRelease( flavorTypeArray );
527 }
6636ef8d 528 if ( !filenamesPassed.empty() )
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529 {
530 wxCharBuffer buf = filenamesPassed.fn_str();
531 SetData( wxDF_FILENAME, strlen( buf ), (const char*)buf );
532 transferred = true;
533 }
534 }
535 }
536 return transferred;
537}
538
539bool wxDataObject::HasDataInPasteboard( void * pb )
540{
541 PasteboardRef pasteboard = (PasteboardRef) pb;
d018f3f7 542 size_t formatcount = GetFormatCount(wxDataObject::Set);
489468fe 543 wxDataFormat *array = new wxDataFormat[ formatcount ];
d018f3f7 544 GetAllFormats(array, wxDataObject::Set);
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545 ItemCount itemCount = 0;
546 bool hasData = false;
547
548 // we synchronize here once again, so we don't mind which flags get returned
549 PasteboardSynchronize( pasteboard );
550
551 OSStatus err = PasteboardGetItemCount( pasteboard, &itemCount );
552 if ( err == noErr )
553 {
554 for (size_t i = 0; !hasData && i < formatcount; i++)
555 {
556 // go through the data in our order of preference
557 wxDataFormat dataFormat = array[ i ];
558
559 for( UInt32 itemIndex = 1; itemIndex <= itemCount && hasData == false ; itemIndex++ )
560 {
561 PasteboardItemID itemID = 0;
562 CFArrayRef flavorTypeArray = NULL;
563 CFIndex flavorCount = 0;
564
565 err = PasteboardGetItemIdentifier( pasteboard, itemIndex, &itemID );
566 if ( err != noErr )
567 continue;
568
569 err = PasteboardCopyItemFlavors( pasteboard, itemID, &flavorTypeArray );
570 if ( err != noErr )
571 continue;
03647350 572
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573 flavorCount = CFArrayGetCount( flavorTypeArray );
574
575 for( CFIndex flavorIndex = 0; !hasData && flavorIndex < flavorCount ; flavorIndex++ )
576 {
577 CFStringRef flavorType;
03647350 578
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579 flavorType = (CFStringRef)CFArrayGetValueAtIndex( flavorTypeArray,
580 flavorIndex );
581
582 wxDataFormat flavorFormat( (wxDataFormat::NativeFormat) flavorType );
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583
584 if ( dataFormat == flavorFormat ||
c9e98a88 585 (dataFormat.GetType() == wxDF_UNICODETEXT && flavorFormat.GetType() == wxDF_TEXT) )
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586 {
587 hasData = true;
588 }
589 }
590 CFRelease( flavorTypeArray );
591 }
592 }
593 }
594 return hasData;
595}
596
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597#if wxOSX_USE_COCOA
598
599void wxDataObject::AddSupportedTypes( void* cfarray)
600{
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601 size_t nFormats = GetFormatCount(wxDataObject::Set);
602 wxDataFormat *array = new wxDataFormat[nFormats];
603 GetAllFormats(array, wxDataObject::Set);
f31c06b3 604
d018f3f7 605 for (size_t i = 0; i < nFormats; i++)
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606 {
607 wxDataFormat dataFormat = array[ i ];
608
609 if ( dataFormat.GetType() == wxDF_UNICODETEXT || dataFormat.GetType() == wxDF_TEXT )
610 {
611 CFArrayAppendValue((CFMutableArrayRef)cfarray, kUTTypeUTF16PlainText);
612 CFArrayAppendValue((CFMutableArrayRef)cfarray, kUTTypePlainText);
613 }
614 else if ( dataFormat.GetType() == wxDF_FILENAME )
615 {
616 CFArrayAppendValue((CFMutableArrayRef)cfarray, kUTTypeFileURL);
617 CFArrayAppendValue((CFMutableArrayRef)cfarray, kPasteboardTypeFileURLPromise);
618 }
619 else if ( dataFormat.GetType() == wxDF_HTML )
620 {
621 CFArrayAppendValue((CFMutableArrayRef)cfarray, kUTTypeHTML);
622 }
623 else if ( dataFormat.GetType() == wxDF_BITMAP )
624 {
625 CFArrayAppendValue((CFMutableArrayRef)cfarray, kUTTypeTIFF);
626 CFArrayAppendValue((CFMutableArrayRef)cfarray, kUTTypePICT);
627 }
628 else if ( dataFormat.GetType() == wxDF_METAFILE )
629 {
630 CFArrayAppendValue((CFMutableArrayRef)cfarray, kUTTypePDF);
631 }
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632 else if ( dataFormat.GetType() == wxDF_PRIVATE )
633 {
634 CFArrayAppendValue((CFMutableArrayRef)cfarray, (CFStringRef) dataFormat.GetFormatId());
635 }
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636 }
637 delete[] array;
638}
639
640#endif
641
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642// ----------------------------------------------------------------------------
643// wxTextDataObject
644// ----------------------------------------------------------------------------
645
646#if wxUSE_UNICODE
647void wxTextDataObject::GetAllFormats(wxDataFormat *formats,
648 wxDataObjectBase::Direction WXUNUSED(dir)) const
649{
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650 *formats++ = wxDataFormat(wxDF_UNICODETEXT);
651 *formats = wxDataFormat(wxDF_TEXT);
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652}
653#endif
654
655// ----------------------------------------------------------------------------
656// wxFileDataObject
657// ----------------------------------------------------------------------------
658
659void wxFileDataObject::GetFileNames( wxCharBuffer &buf ) const
660{
661 wxString filenames;
662
663 for (size_t i = 0; i < m_filenames.GetCount(); i++)
664 {
665 filenames += m_filenames[i];
666 filenames += wxT('\n');
667 }
668
669 buf = filenames.fn_str();
670}
671
672bool wxFileDataObject::GetDataHere( void *pBuf ) const
673{
674 if (pBuf == NULL)
675 return false;
676
677 wxCharBuffer buf;
678 size_t buffLength;
679
680 GetFileNames( buf );
681 buffLength = strlen( buf );
682 memcpy( pBuf, (const char*)buf, buffLength + 1 );
683
684 return true;
685}
686
687size_t wxFileDataObject::GetDataSize() const
688{
689 wxCharBuffer buf;
690 size_t buffLength;
691
692 GetFileNames( buf );
693 buffLength = strlen( buf );
694 // terminating 0
695 return buffLength + 1;
696}
697
698bool wxFileDataObject::SetData( size_t WXUNUSED(nSize), const void *pBuf )
699{
700 wxString filenames;
701
702#if wxUSE_UNICODE
703 filenames = wxString( (const char*)pBuf, *wxConvFileName );
704#else
705 filenames = wxString (wxConvLocal.cWC2WX(wxConvFileName->cMB2WC( (const char*)pBuf)));
706#endif
707
708 m_filenames = wxStringTokenize( filenames, wxT("\n"), wxTOKEN_STRTOK );
709
710 return true;
711}
712
713void wxFileDataObject::AddFile( const wxString& rFilename )
714{
715 m_filenames.Add( rFilename );
716}
717
718// ----------------------------------------------------------------------------
719// wxBitmapDataObject
720// ----------------------------------------------------------------------------
721
722wxBitmapDataObject::wxBitmapDataObject()
723{
724 Init();
725}
726
727wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& rBitmap )
728: wxBitmapDataObjectBase( rBitmap )
729{
730 Init();
731
a1b806b9 732 if (m_bitmap.IsOk())
489468fe 733 {
03647350 734 SetBitmap( rBitmap );
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735 }
736}
737
738wxBitmapDataObject::~wxBitmapDataObject()
739{
740 Clear();
741}
742
743void wxBitmapDataObject::SetBitmap( const wxBitmap& rBitmap )
744{
745 Clear();
746 wxBitmapDataObjectBase::SetBitmap( rBitmap );
a1b806b9 747 if (m_bitmap.IsOk())
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748 {
749 CGImageRef cgImageRef = (CGImageRef) m_bitmap.CreateCGImage();
750
751 CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
752 CGImageDestinationRef destination = CGImageDestinationCreateWithData( data , kUTTypeTIFF , 1 , NULL );
753 if ( destination )
754 {
755 CGImageDestinationAddImage( destination, cgImageRef, NULL );
756 CGImageDestinationFinalize( destination );
757 CFRelease( destination );
758 }
759 m_pictHandle = NewHandle(CFDataGetLength(data));
760 if ( m_pictHandle )
761 {
762 memcpy( *(Handle)m_pictHandle, (const char *)CFDataGetBytePtr(data), CFDataGetLength(data) );
763 }
764 CFRelease( data );
765
766 CGImageRelease(cgImageRef);
767 }
768}
769
770void wxBitmapDataObject::Init()
771{
772 m_pictHandle = NULL;
773 m_pictCreated = false;
774}
775
776void wxBitmapDataObject::Clear()
777{
778 if (m_pictHandle != NULL)
779 {
780 DisposeHandle( (Handle) m_pictHandle );
781 m_pictHandle = NULL;
782 }
783 m_pictCreated = false;
784}
785
786bool wxBitmapDataObject::GetDataHere( void *pBuf ) const
787{
788 if (m_pictHandle == NULL)
789 {
790 wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") );
791 return false;
792 }
793
794 if (pBuf == NULL)
795 return false;
796
797 memcpy( pBuf, *(Handle)m_pictHandle, GetHandleSize( (Handle)m_pictHandle ) );
798
799 return true;
800}
801
802size_t wxBitmapDataObject::GetDataSize() const
803{
804 if (m_pictHandle != NULL)
805 return GetHandleSize( (Handle)m_pictHandle );
806 else
807 return 0;
808}
809
810Handle MacCreateDataReferenceHandle(Handle theDataHandle)
811{
812 Handle dataRef = NULL;
813 OSErr err = noErr;
814
815 // Create a data reference handle for our data.
816 err = PtrToHand( &theDataHandle, &dataRef, sizeof(Handle));
817
818 return dataRef;
819}
820
821bool wxBitmapDataObject::SetData( size_t nSize, const void *pBuf )
822{
823 Clear();
824
825 if ((pBuf == NULL) || (nSize == 0))
826 return false;
827
828 Handle picHandle = NewHandle( nSize );
829 memcpy( *picHandle, pBuf, nSize );
830 m_pictHandle = picHandle;
831 CGImageRef cgImageRef = 0;
832
833 CFDataRef data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) pBuf, nSize, kCFAllocatorNull);
834 CGImageSourceRef source = CGImageSourceCreateWithData( data, NULL );
835 if ( source )
836 {
837 cgImageRef = CGImageSourceCreateImageAtIndex(source, 0, NULL);
c9e98a88 838 CFRelease( source );
489468fe 839 }
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840 CFRelease( data );
841
842 if ( cgImageRef )
843 {
844 m_bitmap.Create( CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
845 CGRect r = CGRectMake( 0 , 0 , CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
846 // since our context is upside down we dont use CGContextDrawImage
847 wxMacDrawCGImage( (CGContextRef) m_bitmap.GetHBITMAP() , &r, cgImageRef ) ;
848 CGImageRelease(cgImageRef);
849 cgImageRef = NULL;
850 }
851
a1b806b9 852 return m_bitmap.IsOk();
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853}
854
855#endif