// Name: src/mac/carbon/clipbrd.cpp
// Purpose: Clipboard functionality
// Author: Stefan Csomor;
-// Generalized clipboard implementation by Matthew Flatt
+// Generalized clipboard implementation by Matthew Flatt
// Modified by:
// Created: 1998-01-01
// RCS-ID: $Id$
#if wxUSE_CLIPBOARD
-#include "wx/app.h"
-#include "wx/frame.h"
-#include "wx/bitmap.h"
-#include "wx/utils.h"
-#include "wx/metafile.h"
#include "wx/clipbrd.h"
-#include "wx/intl.h"
-#include "wx/log.h"
-#ifndef __DARWIN__
-#include <Scrap.h>
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/frame.h"
+ #include "wx/bitmap.h"
#endif
+#include "wx/metafile.h"
+
#include "wx/mac/uma.h"
#define wxUSE_DATAOBJ 1
// (there will be a *lot* of them!)
static const wxChar *TRACE_CLIPBOARD = wxT("clipboard");
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-void * wxGetClipboardData( wxDataFormat dataFormat, long *len )
-{
- OSStatus err = noErr;
- void * data = NULL;
- Size byteCount;
+// in order to keep the binary interface the same this class
+// serves just to have a few additional member variables inside
+// the clipboard class
- switch (dataFormat.GetType())
+class wxMacBinaryCompatHelper : public wxDataObject
+{
+public :
+ wxMacBinaryCompatHelper()
{
- case wxDF_OEMTEXT:
- dataFormat = wxDF_TEXT;
- break;
-
- case wxDF_TEXT:
- case wxDF_UNICODETEXT:
- break;
-
- case wxDF_BITMAP:
- case wxDF_METAFILE:
- break;
-
- default:
- // custom datatype
- break;
+ m_trueData = NULL;
}
-#if TARGET_CARBON
- ScrapRef scrapRef;
-
- err = GetCurrentScrap( &scrapRef );
- if ( err != noTypeErr && err != memFullErr )
+ ~wxMacBinaryCompatHelper()
{
- ScrapFlavorFlags flavorFlags;
+ if (m_trueData != NULL)
+ {
+ delete m_trueData;
+ m_trueData = NULL;
+ }
+ }
- err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
- if (err == noErr)
+ virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const
{
- err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount );
- if (err == noErr)
- {
- Size allocSize = byteCount;
- if ( dataFormat.GetType() == wxDF_TEXT )
- allocSize += 1;
- else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- allocSize += 2;
-
- data = new char[ allocSize ];
+ return wxDataFormat();
+ }
- if (( err = GetScrapFlavorData( scrapRef, dataFormat.GetFormatId(), &byteCount , data )) == noErr )
+ virtual size_t GetFormatCount(Direction dir = Get) const
{
- *len = allocSize;
- if ( dataFormat.GetType() == wxDF_TEXT )
- ((char*)data)[ byteCount ] = 0;
- if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- {
- // "data" format is UTF16, so 2 bytes = one character
- // wxChar size depends on platform, so just clear last 2 bytes
- ((char*)data)[ byteCount + 0 ] =
- ((char*)data)[ byteCount + 1 ] = 0;
+ return 0;
}
- }
- else
+
+ virtual void GetAllFormats(wxDataFormat *formats,
+ Direction dir = Get) const
{
- delete [] (char*)data;
- data = NULL;
- }
- }
- }
}
-#else
- long offset;
- Handle datahandle = NewHandle( 0 );
- HLock( datahandle );
- err = (OSStatus)GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
- HUnlock( datahandle );
- if ( GetHandleSize( datahandle ) > 0 )
+ virtual size_t GetDataSize(const wxDataFormat& format) const
{
- byteCount = GetHandleSize( datahandle );
- Size allocSize = byteCount;
- if ( dataFormat.GetType() == wxDF_TEXT )
- allocSize += 1;
- else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- allocSize += 2;
-
- data = new char[ allocSize ];
-
- memcpy( (char*) data, (char*) *datahandle, byteCount );
- if ( dataFormat.GetType() == wxDF_TEXT )
- ((char*)data)[ byteCount ] = 0;
- else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- ((wxChar*)data)[ byteCount / 2 ] = 0;
- *len = byteCount;
+ return 0;
}
- DisposeHandle( datahandle );
-#endif
-
- if (err != noErr)
+ virtual bool GetDataHere(const wxDataFormat& format, void *buf) const
{
- wxLogSysError(wxT("Failed to get clipboard data."));
-
- return NULL;
+ return false;
}
- if ( dataFormat.GetType() == wxDF_TEXT )
- wxMacConvertNewlines10To13( (char*)data );
+ // only relevant from here on
- return data;
-}
+ wxDataObject* m_trueData;
+ wxCFRef<PasteboardRef> m_pasteboard;
+};
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+#define M_CLIPBOARD ((wxMacBinaryCompatHelper*)m_data)
wxClipboard::wxClipboard()
{
m_open = false;
- m_data = NULL;
+ m_data = new wxMacBinaryCompatHelper() ;
+ PasteboardRef clipboard = 0;
+ OSStatus err = PasteboardCreate( kPasteboardClipboard, &clipboard );
+ if (err != noErr)
+ {
+ wxLogSysError( wxT("Failed to create the clipboard.") );
+ }
+ M_CLIPBOARD->m_pasteboard.reset(clipboard);
}
wxClipboard::~wxClipboard()
{
- if (m_data)
- {
+ M_CLIPBOARD->m_pasteboard.reset((PasteboardRef)0);
delete m_data;
- m_data = (wxDataObject*)NULL;
- }
}
void wxClipboard::Clear()
{
- if (m_data)
+ if (M_CLIPBOARD->m_trueData != NULL)
{
- delete m_data;
- m_data = (wxDataObject*)NULL;
+ delete M_CLIPBOARD->m_trueData;
+ M_CLIPBOARD->m_trueData = NULL;
}
-#if TARGET_CARBON
- OSStatus err;
- err = ClearCurrentScrap();
-#else
- OSErr err;
- err = ZeroScrap();
-#endif
-
+ OSStatus err = PasteboardClear( M_CLIPBOARD->m_pasteboard );
if (err != noErr)
{
wxLogSysError( wxT("Failed to empty the clipboard.") );
bool wxClipboard::SetData( wxDataObject *data )
{
+ if ( IsUsingPrimarySelection() )
+ return false;
+
wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
wxCHECK_MSG( data, false, wxT("data is invalid") );
bool wxClipboard::AddData( wxDataObject *data )
{
+ if ( IsUsingPrimarySelection() )
+ return false;
+
wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
wxCHECK_MSG( data, false, wxT("data is invalid") );
// we can only store one wxDataObject
Clear();
- m_data = data;
+ PasteboardSyncFlags syncFlags = PasteboardSynchronize( M_CLIPBOARD->m_pasteboard );
+ wxCHECK_MSG( !(syncFlags&kPasteboardModified), false, wxT("clipboard modified after clear") );
+ wxCHECK_MSG( (syncFlags&kPasteboardClientIsOwner), false, wxT("client couldn't own clipboard") );
- // get formats from wxDataObjects
- wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
- m_data->GetAllFormats( array );
+ M_CLIPBOARD->m_trueData = data;
- for (size_t i = 0; i < m_data->GetFormatCount(); i++)
- {
- wxLogTrace( TRACE_CLIPBOARD,
- wxT("wxClipboard now supports atom %s"),
- array[i].GetId().c_str() );
-
- size_t sz = data->GetDataSize( array[ i ] );
- void* buf = malloc( sz + 1 );
- if ( buf )
- {
- // empty the buffer because in some case GetDataHere does not fill buf
- memset(buf, 0, sz + 1);
- data->GetDataHere( array[ i ] , buf );
- OSType mactype = 0;
- switch ( array[i].GetType() )
- {
- case wxDF_TEXT:
- case wxDF_OEMTEXT:
- mactype = kScrapFlavorTypeText;
- sz -= 1;
- break;
-
-#if wxUSE_UNICODE
- case wxDF_UNICODETEXT:
- mactype = kScrapFlavorTypeUnicode;
- sz -= 2;
- break;
-#endif
-
-#if wxUSE_DRAG_AND_DROP
- case wxDF_METAFILE:
- mactype = kScrapFlavorTypePicture;
- break;
-#endif
-
- case wxDF_BITMAP:
- case wxDF_DIB:
- mactype = kScrapFlavorTypePicture;
- break;
-
- default:
- mactype = (OSType)(array[i].GetFormatId());
- break;
- }
-
- UMAPutScrap( sz , mactype , buf );
- free( buf );
- }
- }
-
- delete [] array;
+ data->AddToPasteboard( M_CLIPBOARD->m_pasteboard, 1 );
return true;
}
// Get rid of cached object.
// If this is not done, copying data from
// another application will only work once
- if (m_data)
+ if (M_CLIPBOARD->m_trueData)
{
- delete m_data;
- m_data = (wxDataObject*) NULL;
+ delete M_CLIPBOARD->m_trueData;
+ M_CLIPBOARD->m_trueData = (wxDataObject*) NULL;
}
}
bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
{
- if ( m_data )
- return m_data->IsSupported( dataFormat );
-
-#if TARGET_CARBON
- OSStatus err = noErr;
- ScrapRef scrapRef;
-
- err = GetCurrentScrap( &scrapRef );
- if ( err != noTypeErr && err != memFullErr )
- {
- ScrapFlavorFlags flavorFlags;
- Size byteCount;
-
- err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
- if (err == noErr)
- {
- err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount );
- if (err == noErr)
- return true;
- }
- }
-
- return false;
-
-#else
- long offset;
- Handle datahandle = NewHandle( 0 );
- HLock( datahandle );
- GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
- HUnlock( datahandle );
- bool hasData = GetHandleSize( datahandle ) > 0;
- DisposeHandle( datahandle );
-
- return hasData;
-#endif
+ if ( M_CLIPBOARD->m_trueData )
+ return M_CLIPBOARD->m_trueData->IsSupported( dataFormat );
+ return wxDataObject::IsFormatInPasteboard( M_CLIPBOARD->m_pasteboard, dataFormat );
}
bool wxClipboard::GetData( wxDataObject& data )
{
+ if ( IsUsingPrimarySelection() )
+ return false;
+
wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
size_t formatcount = data.GetFormatCount() + 1;
bool transferred = false;
- if ( m_data )
+ if ( M_CLIPBOARD->m_trueData )
{
for (size_t i = 0; !transferred && i < formatcount; i++)
{
wxDataFormat format = array[ i ];
- if ( m_data->IsSupported( format ) )
+ if ( M_CLIPBOARD->m_trueData->IsSupported( format ) )
{
- int dataSize = m_data->GetDataSize( format );
+ int dataSize = M_CLIPBOARD->m_trueData->GetDataSize( format );
transferred = true;
if (dataSize == 0)
else
{
char *d = new char[ dataSize ];
- m_data->GetDataHere( format, (void*) d );
+ M_CLIPBOARD->m_trueData->GetDataHere( format, (void*)d );
data.SetData( format, dataSize, d );
delete [] d;
}
// get formats from wxDataObjects
if ( !transferred )
{
- for (size_t i = 0; !transferred && i < formatcount; i++)
- {
- wxDataFormat format = array[ i ];
-
- switch ( format.GetType() )
- {
- // NOTE: this is usable for all data types
- case wxDF_TEXT:
- case wxDF_UNICODETEXT:
- case wxDF_OEMTEXT:
- case wxDF_BITMAP:
- case wxDF_METAFILE:
- default:
- {
- long len;
- char* s = (char*)wxGetClipboardData( format, &len );
- if (s != NULL)
- {
- data.SetData( format, len, s );
- delete [] s;
-
- transferred = true;
- }
- }
- break;
- }
- }
+ transferred = data.GetFromPasteboard( M_CLIPBOARD->m_pasteboard ) ;
}
delete [] array;
+
return transferred;
}
projects / wxWidgets.git / blobdiff