/////////////////////////////////////////////////////////////////////////////
-// Name: clipbrd.cpp
+// Name: src/mac/carbon/clipbrd.cpp
// Purpose: Clipboard functionality
-// Author: AUTHOR
+// Author: Stefan Csomor;
+// Generalized clipboard implementation by Matthew Flatt
// Modified by:
-// Created: ??/??/98
+// Created: 1998-01-01
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation
-#pragma implementation "clipbrd.h"
+#include "wx/wxprec.h"
+
+#if wxUSE_CLIPBOARD
+
+#include "wx/clipbrd.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/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/mac/private.h"
+#include "wx/mac/uma.h"
#define wxUSE_DATAOBJ 1
#include <string.h>
+
// the trace mask we use with wxLogTrace() - call
// wxLog::AddTraceMask(TRACE_CLIPBOARD) to enable the trace messages from here
// (there will be a *lot* of them!)
-static const wxChar *TRACE_CLIPBOARD = _T("clipboard");
+static const wxChar *TRACE_CLIPBOARD = wxT("clipboard");
+
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
+// in order to keep the binary interface the same this class
+// serves just to have a few additional member variables inside
+// the clipboard class
+
+class wxMacBinaryCompatHelper : public wxDataObject
{
-#if !TARGET_CARBON
- OSErr err = noErr ;
-#else
- OSStatus err = noErr ;
-#endif
- void * data = NULL ;
-
- switch (dataFormat.GetType())
+public :
+ wxMacBinaryCompatHelper()
{
- case wxDF_OEMTEXT:
- dataFormat = wxDF_TEXT;
- // fall through
-
- case wxDF_TEXT:
- break;
- default:
- {
- wxLogError(_("Unsupported clipboard format."));
- return NULL;
- }
+ m_trueData = NULL;
}
-#if TARGET_CARBON
- ScrapRef scrapRef;
-
- err = GetCurrentScrap( &scrapRef );
- if ( err != noTypeErr && err != memFullErr )
- {
- ScrapFlavorFlags flavorFlags;
- Size byteCount;
-
- if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
- {
- if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
- {
- if ( dataFormat.GetType() == wxDF_TEXT )
- byteCount++ ;
-
- data = new char[ byteCount ] ;
- if (( err = GetScrapFlavorData( scrapRef, dataFormat.GetFormatId(), &byteCount , data )) == noErr )
- {
- *len = byteCount ;
- if ( dataFormat.GetType() == wxDF_TEXT )
- ((char*)data)[byteCount] = 0 ;
- }
- else
- {
- delete[] ((char *)data) ;
- data = NULL ;
- }
- }
- }
- }
-
-#else
- long offset ;
- Handle datahandle = NewHandle(0) ;
- HLock( datahandle ) ;
- GetScrap( datahandle , dataFormat.GetFormatId() , &offset ) ;
- HUnlock( datahandle ) ;
- if ( GetHandleSize( datahandle ) > 0 )
- {
- long byteCount = GetHandleSize( datahandle ) ;
- if ( dataFormat.GetType() == wxDF_TEXT )
- data = new char[ byteCount + 1] ;
- else
- data = new char[ byteCount ] ;
-
- memcpy( (char*) data , (char*) *datahandle , byteCount ) ;
- if ( dataFormat.GetType() == wxDF_TEXT )
- ((char*)data)[byteCount] = 0 ;
- * len = byteCount ;
- }
- DisposeHandle( datahandle ) ;
-#endif
- if ( err )
+ ~wxMacBinaryCompatHelper()
+ {
+ if (m_trueData != NULL)
{
- wxLogSysError(_("Failed to get clipboard data."));
+ delete m_trueData;
+ m_trueData = NULL;
+ }
+ }
+
+ virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const
+ {
+ return wxDataFormat();
+ }
+
+ virtual size_t GetFormatCount(Direction dir = Get) const
+ {
+ return 0;
+ }
- return NULL ;
+ virtual void GetAllFormats(wxDataFormat *formats,
+ Direction dir = Get) const
+ {
}
- if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
+
+ virtual size_t GetDataSize(const wxDataFormat& format) const
{
- wxMacConvertToPC((char*)data) ;
+ return 0;
}
- return data;
-}
+ virtual bool GetDataHere(const wxDataFormat& format, void *buf) const
+ {
+ return false;
+ }
+
+ // only relevant from here on
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
+ wxDataObject* m_trueData;
+ wxCFRef<PasteboardRef> m_pasteboard;
+};
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxClipboardBase)
+#define M_CLIPBOARD ((wxMacBinaryCompatHelper*)m_data)
wxClipboard::wxClipboard()
{
- m_open = false ;
- m_data = NULL ;
+ m_open = false;
+ 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;
+ }
+
+ OSStatus err = PasteboardClear( M_CLIPBOARD->m_pasteboard );
+ if (err != noErr)
+ {
+ wxLogSysError( wxT("Failed to empty the clipboard.") );
}
-#if TARGET_CARBON
- OSStatus err ;
- err = ClearCurrentScrap( );
-#else
- OSErr err ;
- err = ZeroScrap( );
-#endif
- if ( err )
- {
- wxLogSysError(_("Failed to empty the clipboard."));
- }
}
bool wxClipboard::Flush()
{
- return FALSE;
+ return false;
}
bool wxClipboard::Open()
{
- wxCHECK_MSG( !m_open, FALSE, wxT("clipboard already open") );
- m_open = true ;
- return true ;
+ wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
+
+ m_open = true;
+
+ return true;
}
bool wxClipboard::IsOpened() const
bool wxClipboard::SetData( wxDataObject *data )
{
- wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+ if ( IsUsingPrimarySelection() )
+ return false;
- wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
Clear();
+ // as we can only store one wxDataObject,
+ // this is the same in this implementation
return AddData( data );
}
bool wxClipboard::AddData( wxDataObject *data )
{
- wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+ if ( IsUsingPrimarySelection() )
+ return false;
- wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
- wxDataFormat format = data->GetPreferredFormat();
-
- /* we can only store one wxDataObject */
+ // we can only store one wxDataObject
Clear();
- m_data = data;
-
- /* get formats from wxDataObjects */
- wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
- m_data->GetAllFormats( array );
+ 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") );
- for (size_t i = 0; i < m_data->GetFormatCount(); i++)
- {
- wxLogTrace( TRACE_CLIPBOARD,
- wxT("wxClipboard now supports atom %s"),
- array[i].GetId().c_str() );
-
-#if !TARGET_CARBON
- OSErr err = noErr ;
-#else
- OSStatus err = noErr ;
-#endif
+ M_CLIPBOARD->m_trueData = data;
- switch ( array[i].GetType() )
- {
- case wxDF_TEXT:
- case wxDF_OEMTEXT:
- {
- wxTextDataObject* textDataObject = (wxTextDataObject*) data;
- wxString str(textDataObject->GetText());
- wxString mac ;
- if ( wxApp::s_macDefaultEncodingIsPC )
- {
- mac = wxMacMakeMacStringFromPC(textDataObject->GetText()) ;
- }
- else
- {
- mac = textDataObject->GetText() ;
- }
- #if !TARGET_CARBON
- err = PutScrap( mac.Length() , 'TEXT' , mac.c_str() ) ;
- #else
- ScrapRef scrap;
- err = GetCurrentScrap (&scrap);
- if ( !err )
- {
- err = PutScrapFlavor (scrap, 'TEXT', 0, mac.Length(), mac.c_str());
- }
- #endif
- }
-
-#if wxUSE_DRAG_AND_DROP
- case wxDF_METAFILE:
- {
- wxMetafileDataObject* metaFileDataObject =
- (wxMetafileDataObject*) data;
- wxMetafile metaFile = metaFileDataObject->GetMetafile();
- PicHandle pict = (PicHandle) metaFile.GetHMETAFILE() ;
- HLock( (Handle) pict ) ;
- #if !TARGET_CARBON
- err = PutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
- #else
- ScrapRef scrap;
- err = GetCurrentScrap (&scrap);
- if ( !err )
- {
- err = PutScrapFlavor (scrap, 'PICT', 0, GetHandleSize((Handle) pict), *pict);
- }
- #endif
- HUnlock( (Handle) pict ) ;
- }
-#endif
- case wxDF_BITMAP:
- case wxDF_DIB:
- default:
- break ;
- }
-
- }
+ data->AddToPasteboard( M_CLIPBOARD->m_pasteboard, 1 );
- delete[] array;
-
- return true ;
+ return true;
}
void wxClipboard::Close()
{
- m_open = false ;
+ wxCHECK_RET( m_open, wxT("clipboard not open") );
+
+ m_open = false;
+
+ // Get rid of cached object.
+ // If this is not done, copying data from
+ // another application will only work once
+ if (M_CLIPBOARD->m_trueData)
+ {
+ 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;
-
- if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
- {
- if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == 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 )
{
- wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+ if ( IsUsingPrimarySelection() )
+ return false;
+
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
- int formatcount = data.GetFormatCount() + 1 ;
- wxDataFormat *array = new wxDataFormat[ formatcount ];
+ size_t formatcount = data.GetFormatCount() + 1;
+ wxDataFormat *array = new wxDataFormat[ formatcount ];
array[0] = data.GetPreferredFormat();
data.GetAllFormats( &array[1] );
- bool transferred = false ;
+ 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 ) )
- {
- int size = m_data->GetDataSize( format );
- transferred = true ;
-
- if (size == 0)
+ for (size_t i = 0; !transferred && i < formatcount; i++)
+ {
+ wxDataFormat format = array[ i ];
+ if ( M_CLIPBOARD->m_trueData->IsSupported( format ) )
{
- data.SetData(format , 0 , 0 ) ;
+ int dataSize = M_CLIPBOARD->m_trueData->GetDataSize( format );
+ transferred = true;
+
+ if (dataSize == 0)
+ {
+ data.SetData( format, 0, 0 );
+ }
+ else
+ {
+ char *d = new char[ dataSize ];
+ M_CLIPBOARD->m_trueData->GetDataHere( format, (void*)d );
+ data.SetData( format, dataSize, d );
+ delete [] d;
+ }
}
- else
- {
- char *d = new char[size];
- m_data->GetDataHere( format , (void*) d );
- data.SetData( format , size , d ) ;
- delete[] d ;
- }
- }
- }
+ }
}
- /* get formats from wxDataObjects */
- if ( !transferred )
+
+ // get formats from wxDataObjects
+ if ( !transferred )
{
- for (size_t i = 0; !transferred && i < formatcount ; i++)
- {
- wxDataFormat format = array[i] ;
-
- switch ( format.GetType() )
- {
- case wxDF_TEXT:
- case wxDF_OEMTEXT:
- {
- long len ;
- char* s = (char*)wxGetClipboardData(format, &len );
- if ( s )
- {
- data.SetData( format , len , s ) ;
- delete [] s;
-
- transferred = true ;
- }
- }
- default :
- break ;
- }
- }
+ transferred = data.GetFromPasteboard( M_CLIPBOARD->m_pasteboard ) ;
}
- delete[] array ;
- return transferred ;
+ delete [] array;
+
+ return transferred;
}
+
+#endif
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