/////////////////////////////////////////////////////////////////////////////
// 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/wxprec.h"
+
+#if wxUSE_CLIPBOARD
#include "wx/app.h"
#include "wx/frame.h"
#include "wx/metafile.h"
#include "wx/clipbrd.h"
#include "wx/intl.h"
+#include "wx/log.h"
-#define wxUSE_DATAOBJ 1
-
-#include <string.h>
-
-// open/close
-
-bool clipboard_opened = false ;
-
-bool wxOpenClipboard()
-{
- clipboard_opened = true ;
- return TRUE;
-}
-
-bool wxCloseClipboard()
-{
- clipboard_opened = false ;
- return TRUE;
-}
-
-bool wxIsClipboardOpened()
-{
- return clipboard_opened;
-}
-
-bool wxEmptyClipboard()
-{
-
-#if TARGET_CARBON
- OSStatus err ;
- err = ClearCurrentScrap( );
-#else
- OSErr err ;
- err = ZeroScrap( );
+#ifndef __DARWIN__
+#include <Scrap.h>
#endif
- if ( err )
- {
- wxLogSysError(_("Failed to empty the clipboard."));
- return FALSE ;
- }
- return TRUE;
-}
+#include "wx/mac/uma.h"
-// get/set data
+#define wxUSE_DATAOBJ 1
-// clipboard formats
+#include <string.h>
-bool wxIsClipboardFormatAvailable(wxDataFormat 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 ;
- if ( GetScrap( NULL , dataFormat.GetFormatId() , &offset ) > 0 )
- {
- return TRUE ;
- }
- return FALSE;
-#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 wxSetClipboardData(wxDataFormat dataFormat,const void *data,int width , int height)
+void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
{
#if !TARGET_CARBON
- OSErr err = noErr ;
+ OSErr err = noErr ;
#else
- OSStatus err = noErr ;
+ OSStatus err = noErr ;
#endif
-
+ void * data = NULL ;
+ Size byteCount;
+
switch (dataFormat.GetType())
{
- case wxDF_BITMAP:
- {
- /*
- wxBitmap *bitmap = (wxBitmap *)data;
-
- HDC hdcMem = CreateCompatibleDC((HDC) NULL);
- HDC hdcSrc = CreateCompatibleDC((HDC) NULL);
- HBITMAP old = (HBITMAP)
- ::SelectObject(hdcSrc, (HBITMAP)bitmap->GetHBITMAP());
- HBITMAP hBitmap = CreateCompatibleBitmap(hdcSrc,
- bitmap->GetWidth(),
- bitmap->GetHeight());
- if (!hBitmap)
- {
- SelectObject(hdcSrc, old);
- DeleteDC(hdcMem);
- DeleteDC(hdcSrc);
- return FALSE;
- }
-
- HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap);
- BitBlt(hdcMem, 0, 0, bitmap->GetWidth(), bitmap->GetHeight(),
- hdcSrc, 0, 0, SRCCOPY);
+ case wxDF_OEMTEXT:
+ dataFormat = wxDF_TEXT;
+ // fall through
- // Select new bitmap out of memory DC
- SelectObject(hdcMem, old1);
-
- // Set the data
- handle = ::SetClipboardData(CF_BITMAP, hBitmap);
+ case wxDF_TEXT:
+ break;
+ case wxDF_UNICODETEXT:
+ break;
+ case wxDF_BITMAP :
+ case wxDF_METAFILE :
+ break ;
+ default:
+ // custom datatype
+ break ;
+ }
- // Clean up
- SelectObject(hdcSrc, old);
- DeleteDC(hdcSrc);
- DeleteDC(hdcMem);
- */
- break;
- }
+#if TARGET_CARBON
+ ScrapRef scrapRef;
- case wxDF_DIB:
- {
- /*
-#if wxUSE_IMAGE_LOADING_IN_MSW
- wxBitmap *bitmap = (wxBitmap *)data;
- HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP();
- // NULL palette means to use the system one
- HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL);
- handle = SetClipboardData(CF_DIB, hDIB);
-#endif // wxUSE_IMAGE_LOADING_IN_MSW
-*/
- break;
- }
+ err = GetCurrentScrap( &scrapRef );
+ if ( err != noTypeErr && err != memFullErr )
+ {
+ ScrapFlavorFlags flavorFlags;
-#if wxUSE_METAFILE
- case wxDF_METAFILE:
- {
- wxMetafile *wxMF = (wxMetafile *)data;
- PicHandle pict = wxMF->GetHMETAFILE() ;
- HLock( (Handle) pict ) ;
-#if !TARGET_CARBON
- err = PutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
-#else
- ScrapRef scrap;
- err = GetCurrentScrap (&scrap);
- if ( !err )
- {
- err = PutScrapFlavor (scrap, 'PICT', 0, GetHandleSize((Handle) pict), *pict);
- }
-#endif
- HUnlock( (Handle) pict ) ;
- break;
- }
-#endif
- case wxDF_SYLK:
- case wxDF_DIF:
- case wxDF_TIFF:
- case wxDF_PALETTE:
- default:
+ if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
+ {
+ if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
{
- wxLogError(_("Unsupported clipboard format."));
- return FALSE;
- }
+ Size allocSize = byteCount ;
+ if ( dataFormat.GetType() == wxDF_TEXT )
+ allocSize += 1 ;
+ else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+ allocSize += 2 ;
- case wxDF_OEMTEXT:
- dataFormat = wxDF_TEXT;
- // fall through
+ data = new char[ allocSize ] ;
- case wxDF_TEXT:
- {
- wxString mac ;
- if ( wxApp::s_macDefaultEncodingIsPC )
- {
- mac = wxMacMakeMacStringFromPC((char *)data) ;
- }
- else
- {
- mac = (char *)data ;
- }
-#if !TARGET_CARBON
- err = PutScrap( mac.Length() , 'TEXT' , mac.c_str() ) ;
-#else
- ScrapRef scrap;
- err = GetCurrentScrap (&scrap);
- if ( !err )
- {
- err = PutScrapFlavor (scrap, 'TEXT', 0, mac.Length(), mac.c_str());
- }
-#endif
- break;
+ 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 ) ;
+ 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 set clipboard data."));
+ wxLogSysError(_("Failed to get clipboard data."));
- return FALSE;
+ return NULL ;
}
- return TRUE;
-}
-
-wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
-{
- return wxDataFormat();
-}
-
-int wxRegisterClipboardFormat(wxChar *formatName)
-{
- return 0;
-}
-
-bool wxGetClipboardFormatName(wxDataFormat dataFormat, wxChar *formatName, int maxCount)
-{
- return FALSE;
-}
+ if ( dataFormat.GetType() == wxDF_TEXT )
+ {
+ wxMacConvertNewlines10To13( (char*) data ) ;
+ }
-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
-{
- return NULL;
+ return data;
}
* Generalized clipboard implementation by Matthew Flatt
*/
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxClipboardBase)
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
wxClipboard::wxClipboard()
{
- m_clearOnExit = FALSE;
+ m_open = false ;
+ m_data = NULL ;
}
wxClipboard::~wxClipboard()
{
- if ( m_clearOnExit )
+ if (m_data)
{
- Clear();
+ delete m_data;
+ m_data = (wxDataObject*) NULL;
}
}
void wxClipboard::Clear()
{
+ 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."));
+ }
}
bool wxClipboard::Flush()
{
- return FALSE;
+ return false;
}
bool wxClipboard::Open()
{
- return wxOpenClipboard();
+ wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
+ m_open = true ;
+ return true ;
}
bool wxClipboard::IsOpened() const
{
- return wxIsClipboardOpened();
-}
-
-static int FormatStringToID(char *str)
-{
- if (!strcmp(str, "TEXT"))
- return wxDF_TEXT;
-
- return wxRegisterClipboardFormat(str);
+ return m_open;
}
bool wxClipboard::SetData( wxDataObject *data )
{
- (void)wxEmptyClipboard();
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
- if ( data )
- return AddData(data);
- else
- return TRUE;
+ Clear();
+ // as we can only store one wxDataObject, this is the same in this
+ // implementation
+ return AddData( data );
}
bool wxClipboard::AddData( wxDataObject *data )
{
- 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
+ Clear();
-#if wxUSE_DATAOBJ
- wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+ m_data = data;
- wxDataFormat format = data->GetPreferredFormat();
+ // get formats from wxDataObjects
+ wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
+ m_data->GetAllFormats( array );
- switch ( format.GetType() )
+ for (size_t i = 0; i < m_data->GetFormatCount(); i++)
{
- case wxDF_TEXT:
- case wxDF_OEMTEXT:
- {
- wxTextDataObject* textDataObject = (wxTextDataObject*) data;
- wxString str(textDataObject->GetText());
- return wxSetClipboardData(format, str.c_str());
- }
+ wxLogTrace( TRACE_CLIPBOARD,
+ wxT("wxClipboard now supports atom %s"),
+ array[i].GetId().c_str() );
- case wxDF_BITMAP:
- case wxDF_DIB:
+ size_t sz = data->GetDataSize( array[i] ) ;
+ void* buf = malloc( sz + 1 ) ;
+ if ( buf )
{
- wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
- wxBitmap bitmap(bitmapDataObject->GetBitmap());
- return wxSetClipboardData(format, &bitmap);
+ // 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:
+ mactype = (OSType)(array[i].GetFormatId());
+ break ;
+ }
+ UMAPutScrap( sz , mactype , buf ) ;
+ free( buf ) ;
}
+ }
-#if 0 // wxUSE_METAFILE
- case wxDF_METAFILE:
- {
- wxMetafileDataObject* metaFileDataObject =
- (wxMetafileDataObject*) data;
- wxMetafile metaFile = metaFileDataObject->GetMetafile();
- return wxSetClipboardData(wxDF_METAFILE, &metaFile,
- metaFileDataObject->GetWidth(),
- metaFileDataObject->GetHeight());
- }
-#endif // wxUSE_METAFILE
+ delete[] array;
- default:
- // return wxSetClipboardData(data);
- break ;
- }
-#else // !wxUSE_DATAOBJ
-#endif
- return FALSE;
+ return true ;
}
void wxClipboard::Close()
{
- wxCloseClipboard();
-}
+ wxCHECK_RET( m_open, wxT("clipboard not open") );
-bool wxClipboard::IsSupported( const wxDataFormat &format )
-{
- return wxIsClipboardFormatAvailable(format);
+ m_open = false ;
+
+ // 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;
+ }
}
-bool wxClipboard::GetData( wxDataObject& data )
+bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
{
-#if wxUSE_DATAOBJ
- wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
-
- wxDataFormat format = data.GetPreferredFormat();
- switch ( format )
+ if ( m_data )
{
- case wxDF_TEXT:
- case wxDF_OEMTEXT:
- {
- wxTextDataObject& textDataObject = (wxTextDataObject &)data;
- char* s = (char*)wxGetClipboardData(format);
- if ( !s )
- return FALSE;
-
- textDataObject.SetText(s);
- delete [] s;
-
- return TRUE;
- }
-
- case wxDF_BITMAP:
- case wxDF_DIB:
- {
- wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
- wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(format );
- if ( !bitmap )
- return FALSE;
+ return m_data->IsSupported( dataFormat ) ;
+ }
+#if TARGET_CARBON
+ OSStatus err = noErr;
+ ScrapRef scrapRef;
- bitmapDataObject.SetBitmap(*bitmap);
- delete bitmap;
+ err = GetCurrentScrap( &scrapRef );
+ if ( err != noTypeErr && err != memFullErr )
+ {
+ ScrapFlavorFlags flavorFlags;
+ Size byteCount;
- return TRUE;
- }
-#if 0 // wxUSE_METAFILE
- case wxDF_METAFILE:
+ if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
{
- wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
- wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
- if ( !metaFile )
- return FALSE;
-
- metaFileDataObject.SetMetafile(*metaFile);
- delete metaFile;
-
- return TRUE;
+ if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
+ {
+ return true ;
+ }
}
-#endif // wxUSE_METAFILE
- }
-#else // !wxUSE_DATAOBJ
- wxFAIL_MSG( wxT("no clipboard implementation") );
-#endif
- return FALSE;
-}
-/*
-void wxClipboard::SetClipboardClient(wxClipboardClient *client, long time)
-{
- 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;
- }
}
+ return false;
- 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
+ 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
}
-wxClipboardClient *wxClipboard::GetClipboardClient()
+bool wxClipboard::GetData( wxDataObject& data )
{
- return clipOwner;
-}
+ wxCHECK_MSG( m_open, false, 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;
- }
-}
-char *wxClipboard::GetClipboardString(long time)
-{
- char *str;
- long length;
+ size_t formatcount = data.GetFormatCount() + 1 ;
+ wxDataFormat *array = new wxDataFormat[ formatcount ];
+ array[0] = data.GetPreferredFormat();
+ data.GetAllFormats( &array[1] );
- str = GetClipboardData("TEXT", &length, time);
- if (!str) {
- str = new char[1];
- *str = 0;
- }
+ bool transferred = false ;
- return str;
-}
+ 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] ;
-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;
- }
+ 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 )
+ {
+ data.SetData( format , len , s ) ;
+ delete [] s;
+
+ transferred = true ;
+ }
+ }
+ break ;
+ }
+ }
+ }
+
+ delete[] array ;
+ return transferred ;
}
-*/
+#endif
projects / wxWidgets.git / blobdiff