X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/519cb848a8f4c91c73421bb75314754284e593a4..f02a4ffa5feb5332c0cb41d625b7634677fbc6f4:/src/mac/carbon/clipbrd.cpp diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp index 28a4b9ef3f..801a140774 100644 --- a/src/mac/carbon/clipbrd.cpp +++ b/src/mac/carbon/clipbrd.cpp @@ -1,236 +1,417 @@ ///////////////////////////////////////////////////////////////////////////// // 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 +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "clipbrd.h" #endif +#include "wx/wxprec.h" + +#if wxUSE_CLIPBOARD + #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/log.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 +// 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 ) + { + // "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 ; + } + } + } + } -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 ) + { + wxMacConvertNewlines10To13( (char*) data ) ; + } + + 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; + wxCHECK_MSG( m_open, false, wxT("clipboard not open") ); - return wxRegisterClipboardFormat(str); + 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 ); } -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; - } - - 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( 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++) + { + 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 ) + { + // 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 + #if wxUSE_DRAG_AND_DROP + case wxDF_METAFILE: + mactype = kScrapFlavorTypePicture ; + break ; + #endif + case wxDF_BITMAP: + case wxDF_DIB: + mactype = kScrapFlavorTypePicture ; + break ; + default: + break ; + } + UMAPutScrap( sz , mactype , buf ) ; + free( buf ) ; + } } - 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; - } + delete[] array; + + return true ; } -wxClipboardClient *wxClipboard::GetClipboardClient() +void wxClipboard::Close() { - return clipOwner; -} + wxCHECK_RET( m_open, wxT("clipboard not open") ); -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; - } - */ -} + m_open = false ; -char *wxClipboard::GetClipboardString(long time) -{ - char *str; - long length; + // Get rid of cached object. If this is not done copying from another application will + // only work once + if (m_data) + { + delete m_data; + m_data = (wxDataObject*) NULL; + } - str = GetClipboardData("TEXT", &length, time); - if (!str) { - str = new char[1]; - *str = 0; - } +} - return str; +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 } -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_UNICODETEXT: + 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 ; } +#endif