X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e9576ca53db96b462ed4c0b4bdf47d64c40203e4..c59ceaaaf01d67955a114609adb692372fd18f6c:/src/mac/carbon/clipbrd.cpp?ds=sidebyside

diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp
index 3fe9ebfb72..2f7651852a 100644
--- a/src/mac/carbon/clipbrd.cpp
+++ b/src/mac/carbon/clipbrd.cpp
@@ -20,218 +20,374 @@
 #include "wx/utils.h"
 #include "wx/metafile.h"
 #include "wx/clipbrd.h"
+#include "wx/intl.h"
+
+#define wxUSE_DATAOBJ 1
 
 #include <string.h>
 
-#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)
 {
-    // TODO
-    return FALSE;
-}
+#if !TARGET_CARBON
+	OSErr err = noErr ;
+#else
+	OSStatus err = noErr ;
+#endif
+  void * data = NULL ;
+	
+    switch (dataFormat.GetType())
+    {
+        case wxDF_OEMTEXT:
+            dataFormat = wxDF_TEXT;
+            // fall through
+
+        case wxDF_TEXT:
+                break;
+        default:
+            {
+                wxLogError(_("Unsupported clipboard format."));
+                return NULL;
+            }
+    }
 
-bool wxCloseClipboard()
-{
-    // TODO
-    return FALSE;
-}
+#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 get clipboard data."));
 
-bool wxEmptyClipboard()
-{
-    // TODO
-    return FALSE;
+        return NULL ;
+    }
+    if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
+    {
+      wxMacConvertToPC((char*)data) ;
+    }
+    return data;
 }
 
-bool wxClipboardOpen()
-{
-    // TODO
-    return FALSE;
-}
 
-bool wxIsClipboardFormatAvailable(int dataFormat)
-{
-    // TODO
-    return FALSE;
-}
+/*
+ * Generalized clipboard implementation by Matthew Flatt
+ */
 
-bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
-{
-    // TODO
-    return FALSE;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxClipboardBase)
 
-wxObject *wxGetClipboardData(int dataFormat, long *len)
+wxClipboard::wxClipboard()
 {
-    // TODO
-    return NULL;
+  m_open = false ;
+  m_data = NULL ;
 }
 
-int  wxEnumClipboardFormats(int dataFormat)
+wxClipboard::~wxClipboard()
 {
-    // TODO
-    return 0;
+    if (m_data)
+    {
+        delete m_data;
+        m_data = (wxDataObject*) NULL;
+    }
 }
 
-int  wxRegisterClipboardFormat(char *formatName)
+void wxClipboard::Clear()
 {
-    // TODO
-    return 0;
+    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 wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
+bool wxClipboard::Flush()
 {
-    // TODO
     return FALSE;
 }
 
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
-
-wxClipboard *wxTheClipboard = NULL;
-
-void wxInitClipboard()
+bool wxClipboard::Open()
 {
-  if (!wxTheClipboard)
-    wxTheClipboard = new wxClipboard;
+    wxCHECK_MSG( !m_open, FALSE, wxT("clipboard already open") );
+    m_open = true ;
+    return true ;
 }
 
-wxClipboard::wxClipboard()
+bool wxClipboard::IsOpened() const
 {
-  clipOwner = NULL;
-  cbString = NULL;
+    return m_open;
 }
 
-wxClipboard::~wxClipboard()
+bool wxClipboard::SetData( wxDataObject *data )
 {
-  if (clipOwner)
-    clipOwner->BeingReplaced();
-  if (cbString)
-    delete[] cbString;
-}
+    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
 
-static int FormatStringToID(char *str)
-{
-  if (!strcmp(str, "TEXT"))
-    return wxDF_TEXT;
+    wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
 
-  return wxRegisterClipboardFormat(str);
+    Clear();
+
+    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;
-  }
+    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
 
-  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( data, FALSE, wxT("data is invalid") );
 
-    if (i < 0)
-      got_selection = wxCloseClipboard();
-  } else
-    got_selection = FALSE;
-  
-  got_selection = FALSE; // Assume another process takes over
+    wxDataFormat format = data->GetPreferredFormat();
 
-  if (!got_selection) {
-    clipOwner->BeingReplaced();
-         clipOwner = NULL;
-  }
-}
+    /* we can only store one wxDataObject */
+    Clear();
 
-wxClipboardClient *wxClipboard::GetClipboardClient()
-{
-  return clipOwner;
-}
+    m_data = data;
 
-void wxClipboard::SetClipboardString(char *str, long time)
-{
-  bool got_selection;
+    /* get formats from wxDataObjects */
+    wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
+    m_data->GetAllFormats( array );
 
-  if (clipOwner) {
-    clipOwner->BeingReplaced();
-    clipOwner = NULL;
-  }
-  if (cbString)
-    delete[] cbString;
+    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
 
-  cbString = str;
+       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 = 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
+           case wxDF_BITMAP:
+           case wxDF_DIB:
+           default:
+      			break ;
+       }
 
-  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
+    delete[] array;
 
-  if (!got_selection) {
-    delete[] cbString;
-    cbString = NULL;
-  }
+    return true ;
 }
 
-char *wxClipboard::GetClipboardString(long time)
+void wxClipboard::Close()
 {
-  char *str;
-  long length;
-
-  str = GetClipboardData("TEXT", &length, time);
-  if (!str) {
-    str = new char[1];
-    *str = 0;
-  }
-
-  return str;
+    m_open = false ;
 }
 
-char *wxClipboard::GetClipboardData(char *format, long *length, long time)
+bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
 {
-  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;
+  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
 }
 
+bool wxClipboard::GetData( wxDataObject& data )
+{
+    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+
+    int 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_OEMTEXT:
+              {
+                  long len ;
+                  char* s = (char*)wxGetClipboardData(format, &len );
+                  if ( s )
+                  {
+                    data.SetData( format , len , s ) ;
+                    delete [] s;
+
+                    transferred = true ;
+                  }
+              }
+              default :
+                break ;
+          }
+       }
+    }
+
+    delete[] array ;
+    return transferred ;
+}