/////////////////////////////////////////////////////////////////////////////
-// Name: clipbrd.cpp
+// Name: src/mac/carbon/clipbrd.cpp
// Purpose: Clipboard functionality
-// Author: Stefan Csomor
+// Author: Stefan Csomor;
+// Generalized clipboard implementation by Matthew Flatt
// Modified by:
// Created: 1998-01-01
// RCS-ID: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "clipbrd.h"
-#endif
+#include "wx/wxprec.h"
+
+#if wxUSE_CLIPBOARD
#include "wx/app.h"
#include "wx/frame.h"
#ifndef __DARWIN__
#include <Scrap.h>
#endif
+
#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");
+
-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
+void * wxGetClipboardData( wxDataFormat dataFormat, long *len )
{
-#if !TARGET_CARBON
- OSErr err = noErr ;
-#else
- OSStatus err = noErr ;
-#endif
- void * data = NULL ;
+ OSStatus err = noErr;
+ void * data = NULL;
Size byteCount;
switch (dataFormat.GetType())
{
case wxDF_OEMTEXT:
dataFormat = wxDF_TEXT;
- // fall through
+ break;
case wxDF_TEXT:
- break;
case wxDF_UNICODETEXT:
break;
- case wxDF_BITMAP :
- case wxDF_METAFILE :
- break ;
+
+ case wxDF_BITMAP:
+ case wxDF_METAFILE:
+ break;
+
default:
- {
- wxLogError(_("Unsupported clipboard format."));
- return NULL;
- }
+ // custom datatype
+ break;
}
#if TARGET_CARBON
{
ScrapFlavorFlags flavorFlags;
- if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
+ err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
+ if (err == noErr)
{
- if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
+ err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount );
+ if (err == noErr)
{
- Size allocSize = byteCount ;
+ Size allocSize = byteCount;
if ( dataFormat.GetType() == wxDF_TEXT )
- allocSize += 1 ;
+ allocSize += 1;
else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- allocSize += 2 ;
+ allocSize += 2;
- data = new char[ allocSize ] ;
+ data = new char[ allocSize ];
if (( err = GetScrapFlavorData( scrapRef, dataFormat.GetFormatId(), &byteCount , data )) == noErr )
{
- *len = allocSize ;
+ *len = allocSize;
if ( dataFormat.GetType() == wxDF_TEXT )
- ((char*)data)[byteCount] = 0 ;
+ ((char*)data)[ byteCount ] = 0;
if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- ((wxChar*)data)[byteCount/2] = 0 ;
+ {
+ // "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;
+ }
}
else
{
- delete[] ((char *)data) ;
- data = NULL ;
+ delete [] (char*)data;
+ data = NULL;
}
}
}
}
#else
- long offset ;
- Handle datahandle = NewHandle(0) ;
- HLock( datahandle ) ;
- GetScrap( datahandle , dataFormat.GetFormatId() , &offset ) ;
- HUnlock( datahandle ) ;
+ long offset;
+ Handle datahandle = NewHandle( 0 );
+ HLock( datahandle );
+ err = (OSStatus)GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
+ HUnlock( datahandle );
if ( GetHandleSize( datahandle ) > 0 )
{
- byteCount = GetHandleSize( datahandle ) ;
- Size allocSize = byteCount ;
+ byteCount = GetHandleSize( datahandle );
+ Size allocSize = byteCount;
if ( dataFormat.GetType() == wxDF_TEXT )
- allocSize += 1 ;
+ allocSize += 1;
else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- allocSize += 2 ;
+ allocSize += 2;
- data = new char[ allocSize ] ;
+ data = new char[ allocSize ];
- memcpy( (char*) data , (char*) *datahandle , byteCount ) ;
+ memcpy( (char*) data, (char*) *datahandle, byteCount );
if ( dataFormat.GetType() == wxDF_TEXT )
- ((char*)data)[byteCount] = 0 ;
- if ( dataFormat.GetType() == wxDF_UNICODETEXT )
- ((wxChar*)data)[byteCount/2] = 0 ;
- *len = byteCount ;
+ ((char*)data)[ byteCount ] = 0;
+ else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+ ((wxChar*)data)[ byteCount / 2 ] = 0;
+ *len = byteCount;
}
- DisposeHandle( datahandle ) ;
+
+ DisposeHandle( datahandle );
#endif
- if ( err )
+
+ if (err != noErr)
{
- wxLogSysError(_("Failed to get clipboard data."));
+ wxLogSysError(wxT("Failed to get clipboard data."));
- return NULL ;
+ return NULL;
}
- if ( dataFormat.GetType() == wxDF_TEXT )
- {
- wxMacConvertNewlines10To13( (char*) data ) ;
- }
+ if (dataFormat.GetType() == wxDF_TEXT)
+ wxMacConvertNewlines10To13( (char*)data );
return data;
}
-
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
-
IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
wxClipboard::wxClipboard()
{
- m_open = false ;
- m_data = NULL ;
+ m_open = false;
+ m_data = NULL;
}
wxClipboard::~wxClipboard()
{
- if (m_data)
+ if (m_data != NULL)
{
delete m_data;
- m_data = (wxDataObject*) NULL;
+ m_data = NULL;
}
}
void wxClipboard::Clear()
{
- if (m_data)
+ if (m_data != NULL)
{
delete m_data;
- m_data = (wxDataObject*) NULL;
+ m_data = NULL;
}
+
#if TARGET_CARBON
- OSStatus err ;
- err = ClearCurrentScrap( );
+ OSStatus err;
+ err = ClearCurrentScrap();
#else
- OSErr err ;
- err = ZeroScrap( );
+ OSErr err;
+ err = ZeroScrap();
#endif
- if ( err )
+
+ if (err != noErr)
{
- wxLogSysError(_("Failed to empty the clipboard."));
+ wxLogSysError( wxT("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") );
-
- 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
+
+ // 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") );
-
- 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") );
- /* we can only store one wxDataObject */
+ // we can only store one wxDataObject
Clear();
m_data = data;
- /* get formats from wxDataObjects */
+ // get formats from wxDataObjects
wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
m_data->GetAllFormats( array );
wxT("wxClipboard now supports atom %s"),
array[i].GetId().c_str() );
-#if !TARGET_CARBON
- OSErr err = noErr ;
-#else
- OSStatus err = noErr ;
-#endif
- size_t sz = data->GetDataSize( array[i] ) ;
- void* buf = malloc( sz + 1 ) ;
- if ( buf )
- {
- data->GetDataHere( array[i] , buf ) ;
- OSType mactype = 0 ;
+ size_t sz = data->GetDataSize( array[ i ] );
+ void* buf = malloc( sz + 1 );
+ if ( buf != NULL )
+ {
+ // 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 ;
- break ;
- #if wxUSE_UNICODE
- case wxDF_UNICODETEXT :
- mactype = kScrapFlavorTypeUnicode ;
- break ;
- #endif
- #if wxUSE_DRAG_AND_DROP
+ 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:
- break ;
+ 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 ) ;
+
+ UMAPutScrap( sz , mactype , buf );
+ free( buf );
}
}
- delete[] array;
+ delete [] array;
- return true ;
+ return true;
}
void wxClipboard::Close()
{
wxCHECK_RET( m_open, wxT("clipboard not open") );
- m_open = false ;
-
- // Get rid of cached object. If this is not done copying from another application will
- // only work once
+ m_open = false;
+
+ // Get rid of cached object.
+ // If this is not done, copying data from
+ // another application will only work once
if (m_data)
{
delete m_data;
m_data = (wxDataObject*) NULL;
- }
-
+ }
}
bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
{
- if ( m_data )
- {
- return m_data->IsSupported( dataFormat ) ;
- }
+ if ( m_data )
+ return m_data->IsSupported( dataFormat );
+
+ bool hasData = false;
+
#if TARGET_CARBON
OSStatus err = noErr;
ScrapRef scrapRef;
err = GetCurrentScrap( &scrapRef );
if ( err != noTypeErr && err != memFullErr )
{
- ScrapFlavorFlags flavorFlags;
- Size byteCount;
+ ScrapFlavorFlags flavorFlags;
+ Size byteCount;
- if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
+ err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
+ if (err == noErr)
{
- if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
+ err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount );
+ if (err == noErr)
+ hasData = true;
+ }
+ else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+ {
+ err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags );
+ if (err == noErr)
{
- return TRUE ;
+ err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount );
+ if (err == noErr)
+ hasData = 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 ;
+
+ long offset = 0;
+ Handle datahandle = NewHandle( 0 );
+ HLock( datahandle );
+ GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
+ HUnlock( datahandle );
+ hasData = GetHandleSize( datahandle ) > 0;
+ DisposeHandle( datahandle );
#endif
+
+ return hasData;
}
bool wxClipboard::GetData( wxDataObject& data )
{
- wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
- size_t 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 )
{
- 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)
- {
- data.SetData(format , 0 , 0 ) ;
- }
- else
+ for (size_t i = 0; !transferred && i < formatcount; i++)
+ {
+ wxDataFormat format = array[ i ];
+ if ( m_data->IsSupported( format ) )
{
- char *d = new char[size];
- m_data->GetDataHere( format , (void*) d );
- data.SetData( format , size , d ) ;
- delete[] d ;
+ int dataSize = m_data->GetDataSize( format );
+ transferred = true;
+
+ if (dataSize == 0)
+ {
+ data.SetData( format, 0, 0 );
+ }
+ else
+ {
+ char *d = new char[ dataSize ];
+ m_data->GetDataHere( format, (void*)d );
+ data.SetData( format, dataSize, d );
+ delete [] d;
+ }
}
- }
- }
+ }
}
- /* get formats from wxDataObjects */
+
+ // 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 :
- case wxDF_BITMAP :
- case wxDF_METAFILE :
- {
- long len ;
- char* s = (char*)wxGetClipboardData(format, &len );
- if ( s )
- {
- data.SetData( format , len , s ) ;
- delete [] s;
-
- transferred = true ;
- }
- }
- break ;
-
- default :
- break ;
- }
- }
+ 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;
+ }
+ }
}
- delete[] array ;
- return transferred ;
+ delete [] array;
+
+ return transferred;
}
+
+#endif
projects / wxWidgets.git / blobdiff