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[wxWidgets.git] / src / mac / clipbrd.cpp

diff --git a/src/mac/clipbrd.cpp b/src/mac/clipbrd.cpp
index 828b8984fc19c28f31c0f6bb2368f19318918320..7059fae3c20bace9124e955fa1738c9f5443834b 100644 (file)
--- a/src/mac/clipbrd.cpp
+++ b/src/mac/clipbrd.cpp
@@ -6,7 +6,7 @@
 // Created:     ??/??/98
 // RCS-ID:      $Id$
 // Copyright:   (c) AUTHOR
 // Created:     ??/??/98
 // RCS-ID:      $Id$
 // Copyright:   (c) AUTHOR

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -20,86 +20,153 @@
 #include "wx/utils.h"
 #include "wx/metafile.h"
 #include "wx/clipbrd.h"
 #include "wx/utils.h"
 #include "wx/metafile.h"
 #include "wx/clipbrd.h"

+#include "wx/intl.h"
+#include "wx/log.h"

 
 

-#include <string.h>
-
-bool wxOpenClipboard()
-{
-    return TRUE;
-}
-
-bool wxCloseClipboard()
-{
-    return FALSE;
-}
+#include "wx/mac/private.h"
+#ifndef __DARWIN__
+#include <Scrap.h>
+#endif

 
 

-bool wxEmptyClipboard()
-{
-               ZeroScrap() ;
-    return FALSE;
-}
+#define wxUSE_DATAOBJ 1

 
 

-bool wxClipboardOpen()
-{
-    // TODO
-    return FALSE;
-}
+#include <string.h>

 
 

-bool wxIsClipboardFormatAvailable(int dataFormat)
-{
-    // TODO
-    return FALSE;
-}
+// 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(int dataFormat, wxObject *obj, int width, int height)
+void *wxGetClipboardData(wxDataFormat dataFormat, long *len)

 {
 {

-    // TODO
-    return FALSE;
-}
+#if !TARGET_CARBON
+    OSErr err = noErr ;
+#else
+    OSStatus err = noErr ;
+#endif
+       void * data = NULL ;
+       Size byteCount;
+    
+    switch (dataFormat.GetType())
+    {
+        case wxDF_OEMTEXT:
+            dataFormat = wxDF_TEXT;
+            // fall through

 
 

-wxObject *wxGetClipboardData(int dataFormat, long *len)
-{
-    // TODO
-    return NULL;
-}
+        case wxDF_TEXT:
+                break;
+        default:
+            {
+                wxLogError(_("Unsupported clipboard format."));
+                return NULL;
+            }
+    }

 
 

-int  wxEnumClipboardFormats(int dataFormat)
-{
-    // TODO
-    return 0;
-}
+#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)
+            {
+              if ( dataFormat.GetType() == wxDF_TEXT )
+                byteCount++ ;
+                
+          data = new char[ byteCount ] ;
+          if (( err = GetScrapFlavorData( scrapRef, dataFormat.GetFormatId(), &byteCount , data )) == noErr )
+          {
+            *len = byteCount ;
+                if ( dataFormat.GetType() == wxDF_TEXT )  
+                ((char*)data)[byteCount] = 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 ) ;
+      if ( dataFormat.GetType() == wxDF_TEXT )  
+        data = new char[ byteCount + 1] ;
+      else
+        data = new char[ byteCount ] ;
+
+      memcpy( (char*) data , (char*) *datahandle , byteCount ) ;
+      if ( dataFormat.GetType() == wxDF_TEXT )  
+          ((char*)data)[byteCount] = 0 ;
+      *len = byteCount ;
+    }
+    DisposeHandle( datahandle ) ;
+#endif
+    if ( err )
+    {
+        wxLogSysError(_("Failed to get clipboard data."));

 
 

-int  wxRegisterClipboardFormat(char *formatName)
-{
-    // TODO
-    return 0;
+        return NULL ;
+    }
+    if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
+    {
+      wxMacConvertToPC((char*)data,(char*)data,byteCount) ;
+    }
+    return data;

 }
 
 }
 

-bool wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
-{
-    // TODO
-    return FALSE;
-}

 
 /*
  * Generalized clipboard implementation by Matthew Flatt
  */
 
 
 /*
  * Generalized clipboard implementation by Matthew Flatt
  */
 

+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+

 wxClipboard::wxClipboard()
 {
 wxClipboard::wxClipboard()
 {

-    m_clearOnExit = FALSE;
+  m_open = false ;
+  m_data = NULL ;

 }
 
 wxClipboard::~wxClipboard()
 {
 }
 
 wxClipboard::~wxClipboard()
 {

-    if ( m_clearOnExit )
+    if (m_data)

     {
     {

-        Clear();
+        delete m_data;
+        m_data = (wxDataObject*) NULL;

     }
 }
 
 void wxClipboard::Clear()
 {
     }
 }
 
 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()
 }
 
 bool wxClipboard::Flush()


@@ -109,256 +176,226 @@ bool wxClipboard::Flush()
 
 bool wxClipboard::Open()
 {
 
 bool wxClipboard::Open()
 {

-    return wxOpenClipboard();
+    wxCHECK_MSG( !m_open, FALSE, wxT("clipboard already open") );
+    m_open = true ;
+    return true ;

 }
 
 bool wxClipboard::IsOpened() const
 {
 }
 
 bool wxClipboard::IsOpened() const
 {

-    return wxIsClipboardOpened();
+    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") );

 
 

-bool wxClipboard::SetData( wxDataObject *data )
-{
-    (void)wxEmptyClipboard();
+    Clear();

 
 

-    if ( data )
-        return AddData(data);
-    else
-        return TRUE;
+    return AddData( data );

 }
 
 bool wxClipboard::AddData( wxDataObject *data )
 {
 }
 
 bool wxClipboard::AddData( wxDataObject *data )
 {

+    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+

     wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
 
     wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
 

-#if wxUSE_DATAOBJ
-    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+    /* we can only store one wxDataObject */
+    Clear();

 
 

-    wxDataFormat format = data->GetFormat();
+    m_data = data;

 
 

-    switch ( format )
-    {
-        case wxDF_TEXT:
-        case wxDF_OEMTEXT:
-        {
-            wxTextDataObject* textDataObject = (wxTextDataObject*) data;
-            wxString str(textDataObject->GetText());
-            return wxSetClipboardData(format, str.c_str());
-        }
+    /* get formats from wxDataObjects */
+    wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
+    m_data->GetAllFormats( array );

 
 

-        case wxDF_BITMAP:
-        case wxDF_DIB:
-        {
-            wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
-            wxBitmap bitmap(bitmapDataObject->GetBitmap());
-            return wxSetClipboardData(data->GetFormat(), &bitmap);
-        }
+    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 !TARGET_CARBON
+        OSErr err = noErr ;
+#else
+        OSStatus err = noErr ;
+#endif

 
 

-#if wxUSE_METAFILE
+       switch ( array[i].GetType() )
+       {
+           case wxDF_TEXT:
+           case wxDF_OEMTEXT:
+           {
+               wxTextDataObject* textDataObject = (wxTextDataObject*) data;
+               wxString str(textDataObject->GetText());
+                wxString mac ;
+                if ( wxApp::s_macDefaultEncodingIsPC )
+                {
+                    mac = wxMacMakeMacStringFromPC(textDataObject->GetText()) ;
+                }
+                else
+                {
+                    mac = textDataObject->GetText() ;
+                }
+        #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 wxUSE_DRAG_AND_DROP

         case wxDF_METAFILE:
         case wxDF_METAFILE:

-        {
-            wxMetafileDataObject* metaFileDataObject = 
+           {
+              wxMetafileDataObject* metaFileDataObject =

                 (wxMetafileDataObject*) data;
                 (wxMetafileDataObject*) data;

-            wxMetafile metaFile = metaFileDataObject->GetMetafile();
-            return wxSetClipboardData(wxDF_METAFILE, &metaFile,
-                                      metaFileDataObject->GetWidth(),
-                                      metaFileDataObject->GetHeight());
-        }
-#endif // wxUSE_METAFILE
+              wxMetafile metaFile = metaFileDataObject->GetMetafile();
+                    PicHandle pict = (PicHandle) metaFile.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_BITMAP:
+           case wxDF_DIB:
+           default:
+                break ;
+       }

 
 

-        default:
-            return wxSetClipboardData(data);

     }
     }

-#else // !wxUSE_DATAOBJ
-    return FALSE;
-#endif 
-}

 
 

-void wxClipboard::Close()
-{
-    wxCloseClipboard();
+    delete[] array;
+
+    return true ;

 }
 
 }
 

-bool wxClipboard::IsSupported( wxDataFormat format )
+void wxClipboard::Close()

 {
 {

-    return wxIsClipboardFormatAvailable(format);
+    m_open = false ;

 }
 
 }
 

-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.GetFormat();
-    switch ( format )
+  if ( m_data )
+  {
+    return m_data->IsSupported( dataFormat ) ;
+  }
+#if TARGET_CARBON
+    OSStatus err = noErr;
+    ScrapRef scrapRef;
+    
+    err = GetCurrentScrap( &scrapRef );
+    if ( err != noTypeErr && err != memFullErr )    

     {
     {

-        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(data->GetFormat());
-            if ( !bitmap )
-                return FALSE;
-
-            bitmapDataObject.SetBitmap(*bitmap);
-            delete bitmap;
-
-            return TRUE;
-        }
-#if wxUSE_METAFILE
-        case wxDF_METAFILE:
+        ScrapFlavorFlags    flavorFlags;
+        Size                byteCount;
+        
+        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;
     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

 }
 }

-/*
-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;
-      }
-    }
-
-    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;
-  }
-}
-
-wxClipboardClient *wxClipboard::GetClipboardClient()
-{
-  return clipOwner;
-}
-
-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)
+bool wxClipboard::GetData( wxDataObject& data )

 {
 {

-  char *str;
-  long length;
+    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );

 
 

-  str = GetClipboardData("TEXT", &length, time);
-  if (!str) {
-    str = new char[1];
-    *str = 0;
-  }
+    size_t formatcount = data.GetFormatCount() + 1 ;
+    wxDataFormat *array = new wxDataFormat[ formatcount  ];
+    array[0] = data.GetPreferredFormat();
+    data.GetAllFormats( &array[1] );

 
 

-  return str;
-}
+    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:
+              {
+                  long len ;
+                  char* s = (char*)wxGetClipboardData(format, &len );
+                  if ( s )
+                  {
+                    data.SetData( format , len , s ) ;
+                    delete [] s;
+
+                    transferred = true ;
+                  }
+              }
+                                                       break ;
+
+              default :
+                break ;
+          }
+       }
+    }

 
 

-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;
-  }
+    delete[] array ;
+    return transferred ;

 }
 }

-*/
-