X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/519cb848a8f4c91c73421bb75314754284e593a4..2cf3a6d7bef6f20bea35062dd3d4dbf0aec9efb5:/src/mac/carbon/clipbrd.cpp diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp index 28a4b9ef3f..d0ea791e8b 100644 --- a/src/mac/carbon/clipbrd.cpp +++ b/src/mac/carbon/clipbrd.cpp @@ -1,236 +1,444 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 +#endif + +#include "wx/mac/uma.h" + +#define wxUSE_DATAOBJ 1 #include -#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