X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5fde6fcc9b551340a194ae4c726db5ab64b5c594..050c9e3c90c58b05d5b3f7384d1556ca9669f13e:/src/mac/carbon/clipbrd.cpp

diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp
index 1e99ca3ce7..2f7651852a 100644
--- a/src/mac/carbon/clipbrd.cpp
+++ b/src/mac/carbon/clipbrd.cpp
@@ -26,230 +26,99 @@
 
 #include <string.h>
 
-// open/close
+// 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 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( );
-#endif
-	if ( err )
-	{
-        wxLogSysError(_("Failed to empty the clipboard."));
-		return FALSE ;
-	}
-    return TRUE;
-}
-
-// get/set data
-
-// clipboard formats
-
-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
-}
-
-bool wxSetClipboardData(wxDataFormat dataFormat,const void *data,int width , int height)
+void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 {
 #if !TARGET_CARBON
 	OSErr err = noErr ;
 #else
 	OSStatus err = noErr ;
 #endif
+  void * data = NULL ;
 	
     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);
-
-                // Select new bitmap out of memory DC
-                SelectObject(hdcMem, old1);
-
-                // Set the data
-                handle = ::SetClipboardData(CF_BITMAP, hBitmap);
-
-                // Clean up
-                SelectObject(hdcSrc, old);
-                DeleteDC(hdcSrc);
-                DeleteDC(hdcMem);
-                */
-                break;
-            }
-
-        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;
-            }
-
-#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:
-            {
-                wxLogError(_("Unsupported clipboard format."));
-                return FALSE;
-            }
-
         case wxDF_OEMTEXT:
             dataFormat = wxDF_TEXT;
             // fall through
 
         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;
+        default:
+            {
+                wxLogError(_("Unsupported clipboard format."));
+                return NULL;
             }
     }
 
+#if TARGET_CARBON
+  	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)
+  			{
+  			  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 )
+  	{
+  	  long 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 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;
-}
-
-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
-{
-    return NULL;
+    if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
+    {
+      wxMacConvertToPC((char*)data) ;
+    }
+    return data;
 }
 
 
@@ -261,19 +130,37 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxClipboardBase)
 
 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()
@@ -283,257 +170,224 @@ bool wxClipboard::Flush()
 
 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();
+    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 )
 {
-    wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
 
-#if wxUSE_DATAOBJ
-    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+    wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
 
     wxDataFormat format = data->GetPreferredFormat();
 
-    switch ( format.GetType() )
-    {
-        case wxDF_TEXT:
-        case wxDF_OEMTEXT:
-        {
-            wxTextDataObject* textDataObject = (wxTextDataObject*) data;
-            wxString str(textDataObject->GetText());
-            return wxSetClipboardData(format, str.c_str());
-        }
-
-        case wxDF_BITMAP:
-        case wxDF_DIB:
-        {
-            wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
-            wxBitmap bitmap(bitmapDataObject->GetBitmap());
-            return wxSetClipboardData(format, &bitmap);
-        }
-
-#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
+    /* we can only store one wxDataObject */
+    Clear();
 
-        default:
- //           return wxSetClipboardData(data);
- 				break ;
-    }
-#else // !wxUSE_DATAOBJ
-#endif 
-    return FALSE;
-}
+    m_data = data;
 
-void wxClipboard::Close()
-{
-    wxCloseClipboard();
-}
+    /* get formats from wxDataObjects */
+    wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
+    m_data->GetAllFormats( array );
 
-bool wxClipboard::IsSupported( const wxDataFormat &format )
-{
-    return wxIsClipboardFormatAvailable(format);
-}
+    for (size_t i = 0; i < m_data->GetFormatCount(); i++)
+    {
+        wxLogTrace( TRACE_CLIPBOARD,
+                    wxT("wxClipboard now supports atom %s"),
+                    array[i].GetId().c_str() );
 
-bool wxClipboard::GetData( wxDataObject& data )
-{
-#if wxUSE_DATAOBJ
-    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+#if !TARGET_CARBON
+	      OSErr err = noErr ;
+#else
+	      OSStatus err = noErr ;
+#endif
 
-    wxDataFormat format = data.GetPreferredFormat();
-    switch ( format )
-    {
-        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;
-
-            bitmapDataObject.SetBitmap(*bitmap);
-            delete bitmap;
-
-            return TRUE;
-        }
-#if 0 // 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
+           }
+
+#if wxUSE_DRAG_AND_DROP
         case wxDF_METAFILE:
-        {
-            wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
-            wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
-            if ( !metaFile )
-                return FALSE;
-
-            metaFileDataObject.SetMetafile(*metaFile);
-            delete metaFile;
-
-            return TRUE;
-        }
-#endif // wxUSE_METAFILE
-    }
-#else // !wxUSE_DATAOBJ
-    wxFAIL_MSG( wxT("no clipboard implementation") );
+           {
+              wxMetafileDataObject* metaFileDataObject =
+                (wxMetafileDataObject*) data;
+              wxMetafile metaFile = metaFileDataObject->GetMetafile();
+      				PicHandle pict = 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 ) ;
+           }
 #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;
-  }
+           case wxDF_BITMAP:
+           case wxDF_DIB:
+           default:
+      			break ;
+       }
 
-  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
+    delete[] array;
 
-  if (!got_selection) {
-    clipOwner->BeingReplaced();
-         clipOwner = NULL;
-  }
+    return true ;
 }
 
-wxClipboardClient *wxClipboard::GetClipboardClient()
+void wxClipboard::Close()
 {
-  return clipOwner;
+    m_open = false ;
 }
 
-void wxClipboard::SetClipboardString(char *str, long time)
+bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
 {
-  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;
+  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::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;
-  }
+    int 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 ;
+                  }
+              }
+              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 ;
 }
-*/
-