/////////////////////////////////////////////////////////////////////////////
-// 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"
+
+#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
-bool wxOpenClipboard()
-{
- return TRUE;
-}
+// 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 = wxT("clipboard");
+
-bool wxCloseClipboard()
+void * wxGetClipboardData( wxDataFormat dataFormat, long *len )
{
- return FALSE;
+ OSStatus err = noErr;
+ void * data = NULL;
+ Size byteCount;
+
+ switch (dataFormat.GetType())
+ {
+ 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;
+ }
+
+#if TARGET_CARBON
+ ScrapRef scrapRef;
+
+ err = GetCurrentScrap( &scrapRef );
+ if ( err != noTypeErr && err != memFullErr )
+ {
+ ScrapFlavorFlags flavorFlags;
+
+ err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
+ if (err == noErr)
+ {
+ 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 ];
+
+ 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 )
+ {
+ // "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;
+ }
+ }
+ }
+ }
+
+#else
+ 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;
+ 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;
+ }
+
+ DisposeHandle( datahandle );
+#endif
+
+ if (err != noErr)
+ {
+ wxLogSysError(wxT("Failed to get clipboard data."));
+
+ return NULL;
+ }
+
+ if (dataFormat.GetType() == wxDF_TEXT)
+ wxMacConvertNewlines10To13( (char*)data );
+
+ return data;
}
-bool wxEmptyClipboard()
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+
+wxClipboard::wxClipboard()
{
- ZeroScrap() ;
- return FALSE;
+ m_open = false;
+ m_data = NULL;
}
-bool wxClipboardOpen()
+wxClipboard::~wxClipboard()
{
- // TODO
- return FALSE;
+ if (m_data != NULL)
+ {
+ delete m_data;
+ m_data = NULL;
+ }
}
-bool wxIsClipboardFormatAvailable(int dataFormat)
+void wxClipboard::Clear()
{
- // TODO
- return FALSE;
+ if (m_data != NULL)
+ {
+ delete m_data;
+ m_data = NULL;
+ }
+
+#if TARGET_CARBON
+ OSStatus err;
+ err = ClearCurrentScrap();
+#else
+ OSErr err;
+ err = ZeroScrap();
+#endif
+
+ if (err != noErr)
+ {
+ wxLogSysError( wxT("Failed to empty the clipboard.") );
+ }
}
-bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
+bool wxClipboard::Flush()
{
- // TODO
- return FALSE;
+ return false;
}
-wxObject *wxGetClipboardData(int dataFormat, long *len)
+bool wxClipboard::Open()
{
- // TODO
- return NULL;
+ wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
+
+ m_open = true;
+
+ return true;
}
-int wxEnumClipboardFormats(int dataFormat)
+bool wxClipboard::IsOpened() const
{
- // TODO
- return 0;
+ return m_open;
}
-int wxRegisterClipboardFormat(char *formatName)
+bool wxClipboard::SetData( wxDataObject *data )
{
- // TODO
- return 0;
+ 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 wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
+bool wxClipboard::AddData( wxDataObject *data )
{
- // TODO
- 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;
+
+ // get formats from wxDataObjects
+ wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
+ m_data->GetAllFormats( array );
+
+ for (size_t i = 0; i < m_data->GetFormatCount(); i++)
+ {
+ if (array[i].IsStandard())
+ {
+ wxLogTrace( TRACE_CLIPBOARD,
+ wxT("wxClipboard now supports standard atom type %d"),
+ array[i].GetType() );
+ }
+ else
+ {
+ 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 != 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;
+ sz -= 1;
+ break;
+
+#if wxUSE_UNICODE
+ case wxDF_UNICODETEXT:
+ mactype = kScrapFlavorTypeUnicode;
+ sz -= 2;
+ break;
+#endif
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
+#if wxUSE_DRAG_AND_DROP
+ case wxDF_METAFILE:
+ mactype = kScrapFlavorTypePicture;
+ break;
+#endif
-wxClipboard *wxTheClipboard = NULL;
+ case wxDF_BITMAP:
+ case wxDF_DIB:
+ mactype = kScrapFlavorTypePicture;
+ break;
-void wxInitClipboard()
-{
- if (!wxTheClipboard)
- wxTheClipboard = new wxClipboard;
-}
+ default:
+ mactype = (OSType)(array[ i ].GetFormatId());
+ break;
+ }
-wxClipboard::wxClipboard()
-{
- clipOwner = NULL;
- cbString = NULL;
-}
+ UMAPutScrap( sz , mactype , buf );
+ free( buf );
+ }
+ }
-wxClipboard::~wxClipboard()
-{
- if (clipOwner)
- clipOwner->BeingReplaced();
- if (cbString)
- delete[] cbString;
+ delete [] array;
+
+ return true;
}
-static int FormatStringToID(char *str)
+void wxClipboard::Close()
{
- if (!strcmp(str, "TEXT"))
- return wxDF_TEXT;
+ wxCHECK_RET( m_open, wxT("clipboard not open") );
- return wxRegisterClipboardFormat(str);
+ 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;
+ }
}
-void wxClipboard::SetClipboardClient(wxClipboardClient *client, long time)
+bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
{
- bool got_selection;
-
- if (clipOwner)
- clipOwner->BeingReplaced();
- clipOwner = client;
- if (cbString) {
- delete[] cbString;
- cbString = NULL;
- }
-
- 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;
- }
+ 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;
+
+ err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
+ if (err == 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)
+ {
+ err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount );
+ if (err == noErr)
+ hasData = true;
+ }
+ }
}
- if (i < 0)
- got_selection = wxCloseClipboard();
- } else
- got_selection = FALSE;
-
- got_selection = FALSE; // Assume another process takes over
-
- if (!got_selection) {
- clipOwner->BeingReplaced();
- clipOwner = NULL;
- }
-}
+#else
-wxClipboardClient *wxClipboard::GetClipboardClient()
-{
- return clipOwner;
-}
+ long offset = 0;
+ Handle datahandle = NewHandle( 0 );
+ HLock( datahandle );
+ GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
+ HUnlock( datahandle );
+ hasData = GetHandleSize( datahandle ) > 0;
+ DisposeHandle( datahandle );
+#endif
-void wxClipboard::SetClipboardString(char *str, long time)
-{/*
- bool got_selection;
-
- if (clipOwner) {
- clipOwner->BeingReplaced();
- clipOwner = NULL;
- }
- if (cbString)
- delete[] cbString;
-
- cbString = str;
-
- 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
-
- if (!got_selection) {
- delete[] cbString;
- cbString = NULL;
- }
- */
+ return hasData;
}
-char *wxClipboard::GetClipboardString(long time)
+bool wxClipboard::GetData( wxDataObject& data )
{
- char *str;
- long length;
+ 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 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;
+ }
+ }
+ }
+ }
- str = GetClipboardData("TEXT", &length, time);
- if (!str) {
- str = new char[1];
- *str = 0;
- }
+ // 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;
+ }
+ }
+ }
- return str;
-}
+ delete [] array;
-char *wxClipboard::GetClipboardData(char *format, long *length, long time)
-{
- 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;
- }
+ return transferred;
}
+#endif
projects / wxWidgets.git / blobdiff