/////////////////////////////////////////////////////////////////////////////
// Name: clipbrd.cpp
// Purpose: Clipboard functionality
-// Author: AUTHOR
+// Author: Stefan Csomor
// 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"
#endif
#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>
+#endif
+#include "wx/mac/uma.h"
+
+#define wxUSE_DATAOBJ 1
#include <string.h>
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxClipboardClient, wxObject)
-#endif
+// 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");
-bool wxOpenClipboard()
+void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
{
- return TRUE;
-}
+#if !TARGET_CARBON
+ OSErr err = noErr ;
+#else
+ OSStatus err = noErr ;
+#endif
+ void * data = NULL ;
+ Size byteCount;
-bool wxCloseClipboard()
-{
- return FALSE;
-}
+ switch (dataFormat.GetType())
+ {
+ case wxDF_OEMTEXT:
+ dataFormat = wxDF_TEXT;
+ // fall through
-bool wxEmptyClipboard()
-{
- ZeroScrap() ;
- return FALSE;
-}
+ case wxDF_TEXT:
+ break;
+ case wxDF_UNICODETEXT:
+ break;
+ case wxDF_BITMAP :
+ case wxDF_METAFILE :
+ break ;
+ default:
+ {
+ wxLogError(_("Unsupported clipboard format."));
+ return NULL;
+ }
+ }
-bool wxClipboardOpen()
-{
- // TODO
- return FALSE;
-}
+#if TARGET_CARBON
+ ScrapRef scrapRef;
+
+ err = GetCurrentScrap( &scrapRef );
+ if ( err != noTypeErr && err != memFullErr )
+ {
+ ScrapFlavorFlags flavorFlags;
+
+ if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
+ {
+ if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
+ {
+ Size allocSize = byteCount ;
+ if ( dataFormat.GetType() == wxDF_TEXT )
+ allocSize += 1 ;
+ else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+ allocSize += 2 ;
+
+ data = new char[ allocSize ] ;
+
+ if (( err = GetScrapFlavorData( scrapRef, dataFormat.GetFormatId(), &byteCount , data )) == noErr )
+ {
+ *len = allocSize ;
+ if ( dataFormat.GetType() == wxDF_TEXT )
+ ((char*)data)[byteCount] = 0 ;
+ if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+ ((wxChar*)data)[byteCount/2] = 0 ;
+ }
+ else
+ {
+ delete[] ((char *)data) ;
+ data = NULL ;
+ }
+ }
+ }
+ }
-bool wxIsClipboardFormatAvailable(int dataFormat)
-{
- // TODO
- return FALSE;
-}
+#else
+ long offset ;
+ Handle datahandle = NewHandle(0) ;
+ HLock( datahandle ) ;
+ GetScrap( datahandle , dataFormat.GetFormatId() , &offset ) ;
+ HUnlock( datahandle ) ;
+ if ( GetHandleSize( datahandle ) > 0 )
+ {
+ 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 ;
+ if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+ ((wxChar*)data)[byteCount/2] = 0 ;
+ *len = byteCount ;
+ }
+ DisposeHandle( datahandle ) ;
+#endif
+ if ( err )
+ {
+ wxLogSysError(_("Failed to get clipboard data."));
-bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
-{
- // TODO
- return FALSE;
-}
+ return NULL ;
+ }
-wxObject *wxGetClipboardData(int dataFormat, long *len)
-{
- // TODO
- return NULL;
+ if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
+ {
+ wxString st = wxMacMakeStringFromCString( (char*) data ) ;
+#if wxUSE_UNICODE
+ wxCharBuffer buf = st.ToAscii() ;
+#else
+ const char* buf = st ;
+#endif
+ char* newdata = new char[strlen(buf)+1] ;
+ memcpy( newdata , buf , strlen(buf)+1 ) ;
+ delete[] ((char*) data ) ;
+ data = newdata ;
+ }
+
+ return data;
}
-int wxEnumClipboardFormats(int dataFormat)
+
+/*
+ * Generalized clipboard implementation by Matthew Flatt
+ */
+
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+
+wxClipboard::wxClipboard()
{
- // TODO
- return 0;
+ m_open = false ;
+ m_data = NULL ;
}
-int wxRegisterClipboardFormat(char *formatName)
+wxClipboard::~wxClipboard()
{
- // TODO
- return 0;
+ if (m_data)
+ {
+ delete m_data;
+ m_data = (wxDataObject*) NULL;
+ }
}
-bool wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
+void wxClipboard::Clear()
{
- // TODO
- return FALSE;
+ if (m_data)
+ {
+ delete m_data;
+ m_data = (wxDataObject*) NULL;
+ }
+#if TARGET_CARBON
+ OSStatus err ;
+ err = ClearCurrentScrap( );
+#else
+ OSErr err ;
+ err = ZeroScrap( );
+#endif
+ if ( err )
+ {
+ wxLogSysError(_("Failed to empty the clipboard."));
+ }
}
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
-
-wxClipboard *wxTheClipboard = NULL;
-
-void wxInitClipboard()
+bool wxClipboard::Flush()
{
- if (!wxTheClipboard)
- wxTheClipboard = new wxClipboard;
+ return FALSE;
}
-wxClipboard::wxClipboard()
+bool wxClipboard::Open()
{
- clipOwner = NULL;
- cbString = NULL;
+ wxCHECK_MSG( !m_open, FALSE, wxT("clipboard already open") );
+ m_open = true ;
+ return true ;
}
-wxClipboard::~wxClipboard()
+bool wxClipboard::IsOpened() const
{
- if (clipOwner)
- clipOwner->BeingReplaced();
- if (cbString)
- delete[] cbString;
+ return m_open;
}
-static int FormatStringToID(char *str)
+bool wxClipboard::SetData( wxDataObject *data )
{
- if (!strcmp(str, "TEXT"))
- return wxDF_TEXT;
-
- return wxRegisterClipboardFormat(str);
+ // as we can only store one wxDataObject, this is the same in this
+ // implementation
+ return AddData( data );
}
-void wxClipboard::SetClipboardClient(wxClipboardClient *client, long time)
+bool wxClipboard::AddData( wxDataObject *data )
{
- bool got_selection;
-
- if (clipOwner)
- clipOwner->BeingReplaced();
- clipOwner = client;
- if (cbString) {
- delete[] cbString;
- cbString = NULL;
- }
+ wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
- if (wxOpenClipboard()) {
- char **formats, *data;
- int i;
- int ftype;
- long size;
-
- formats = clipOwner->formats.ListToArray(FALSE);
- for (i = clipOwner->formats.Number(); i--; ) {
- ftype = FormatStringToID(formats[i]);
- data = clipOwner->GetData(formats[i], &size);
- if (!wxSetClipboardData(ftype, (wxObject *)data, size, 1)) {
- got_selection = FALSE;
- break;
- }
- }
+ wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
- if (i < 0)
- got_selection = wxCloseClipboard();
- } else
- got_selection = FALSE;
-
- got_selection = FALSE; // Assume another process takes over
+ /* we can only store one wxDataObject */
+ Clear();
- if (!got_selection) {
- clipOwner->BeingReplaced();
- clipOwner = NULL;
- }
-}
+ m_data = data;
-wxClipboardClient *wxClipboard::GetClipboardClient()
-{
- return clipOwner;
-}
+ /* get formats from wxDataObjects */
+ wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
+ m_data->GetAllFormats( array );
-void wxClipboard::SetClipboardString(char *str, long time)
-{/*
- bool got_selection;
+ 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 (clipOwner) {
- clipOwner->BeingReplaced();
- clipOwner = NULL;
- }
- if (cbString)
- delete[] cbString;
+#if !TARGET_CARBON
+ OSErr err = noErr ;
+#else
+ OSStatus err = noErr ;
+#endif
- cbString = str;
+ switch ( array[i].GetType() )
+ {
+ case wxDF_TEXT:
+ case wxDF_OEMTEXT:
+ {
+ wxTextDataObject* textDataObject = (wxTextDataObject*) data;
+ wxString str(textDataObject->GetText());
+ wxCharBuffer buf = wxMacStringToCString( str ) ;
+ err = UMAPutScrap( strlen(buf) , kScrapFlavorTypeText , (void*) buf.data() ) ;
+ }
+ break ;
+#if wxUSE_UNICODE
+ case wxDF_UNICODETEXT :
+ {
+ wxTextDataObject* textDataObject = (wxTextDataObject*) data;
+ wxString str(textDataObject->GetText());
+ err = UMAPutScrap( str.Length() * sizeof(wxChar) , kScrapFlavorTypeUnicode , (void*) str.wc_str() ) ;
+ }
+ break ;
+#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 ) ;
+ err = UMAPutScrap( GetHandleSize( (Handle) pict ) , kScrapFlavorTypePicture , *pict ) ;
+ HUnlock( (Handle) pict ) ;
+ }
+ break ;
+#endif
+ case wxDF_BITMAP:
+ case wxDF_DIB:
+ {
+ bool created = false ;
+ PicHandle pict = NULL ;
+
+ wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data ;
+ pict = (PicHandle) bitmapDataObject->GetBitmap().GetPict( &created ) ;
+
+ HLock( (Handle) pict ) ;
+ err = UMAPutScrap( GetHandleSize( (Handle) pict ) , kScrapFlavorTypePicture , *pict ) ;
+ HUnlock( (Handle) pict ) ;
+ if ( created )
+ KillPicture( pict ) ;
+ }
+ default:
+ break ;
+ }
- if (wxOpenClipboard()) {
- if (!wxSetClipboardData(wxDF_TEXT, (wxObject *)str))
- got_selection = FALSE;
- else
- got_selection = wxCloseClipboard();
- } else
- got_selection = FALSE;
+ }
- got_selection = FALSE; // Assume another process takes over
+ delete[] array;
- if (!got_selection) {
- delete[] cbString;
- cbString = NULL;
- }
- */
+ return true ;
}
-char *wxClipboard::GetClipboardString(long time)
+void wxClipboard::Close()
{
- char *str;
- long length;
+ m_open = false ;
+}
- str = GetClipboardData("TEXT", &length, time);
- if (!str) {
- str = new char[1];
- *str = 0;
+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;
- return str;
+#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
}
-char *wxClipboard::GetClipboardData(char *format, long *length, long time)
+bool wxClipboard::GetData( wxDataObject& data )
{
- if (clipOwner) {
- if (clipOwner->formats.Member(format))
- return clipOwner->GetData(format, length);
- else
- return NULL;
- } else if (cbString) {
- if (!strcmp(format, "TEXT"))
- return copystring(cbString);
- else
- return NULL;
- } else {
- if (wxOpenClipboard()) {
- receivedString = (char *)wxGetClipboardData(FormatStringToID(format),
- length);
- wxCloseClipboard();
- } else
- receivedString = NULL;
-
- return receivedString;
- }
-}
+ wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+
+ size_t formatcount = data.GetFormatCount() + 1 ;
+ wxDataFormat *array = new wxDataFormat[ formatcount ];
+ array[0] = data.GetPreferredFormat();
+ data.GetAllFormats( &array[1] );
+
+ 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
+ {
+ char *d = new char[size];
+ m_data->GetDataHere( format , (void*) d );
+ data.SetData( format , size , 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() )
+ {
+ 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 ;
+ }
+ }
+ }
+ delete[] array ;
+ return transferred ;
+}
projects / wxWidgets.git / blobdiff