X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f0822896b3354f8698835d234ce2655daa640704..77631b1d818c890391b7111a1e499f1317a9ea07:/src/mac/carbon/clipbrd.cpp

diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp
index cb69904f95..cb88eee08a 100644
--- a/src/mac/carbon/clipbrd.cpp
+++ b/src/mac/carbon/clipbrd.cpp
@@ -1,18 +1,18 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        clipbrd.cpp
+// Name:        src/mac/carbon/clipbrd.cpp
 // Purpose:     Clipboard functionality
-// Author:      AUTHOR
+// Author:      Stefan Csomor;
+//                   Generalized clipboard implementation by Matthew Flatt
 // 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"
@@ -21,158 +21,186 @@
 #include "wx/metafile.h"
 #include "wx/clipbrd.h"
 #include "wx/intl.h"
+#include "wx/log.h"
+
+#ifndef __DARWIN__
+#include <Scrap.h>
+#endif
+
+#include "wx/mac/uma.h"
 
 #define wxUSE_DATAOBJ 1
 
 #include <string.h>
 
+
 // 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");
+static const wxChar *TRACE_CLIPBOARD = wxT("clipboard");
 
-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
+
+void * wxGetClipboardData( wxDataFormat dataFormat, long *len )
 {
-#if !TARGET_CARBON
-	OSErr err = noErr ;
-#else
-	OSStatus err = noErr ;
-#endif
-  void * data = NULL ;
-	
+    OSStatus err = noErr;
+    void * data = NULL;
+    Size byteCount;
+
     switch (dataFormat.GetType())
     {
-        case wxDF_OEMTEXT:
-            dataFormat = wxDF_TEXT;
-            // fall through
+    case wxDF_OEMTEXT:
+        dataFormat = wxDF_TEXT;
+        break;
 
-        case wxDF_TEXT:
-                break;
-        default:
+    case wxDF_TEXT:
+    case wxDF_UNICODETEXT:
+        break;
+
+    case wxDF_BITMAP:
+    case wxDF_METAFILE:
+        break;
+
+    default:
+        // custom datatype
+        break;
+    }
+
+#if TARGET_CARBON
+    ScrapRef scrapRef;
+
+    err = GetCurrentScrap( &scrapRef );
+    if ( err != noTypeErr && err != memFullErr )
+    {
+        ScrapFlavorFlags    flavorFlags;
+
+        err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
+        if (err == noErr)
+        {
+            err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount );
+            if (err == noErr)
             {
-                wxLogError(_("Unsupported clipboard format."));
-                return NULL;
+                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;
+                }
             }
+        }
     }
 
-#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[] 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 )
+    long offset;
+    Handle datahandle = NewHandle( 0 );
+    HLock( datahandle );
+    err = (OSStatus)GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
+    HUnlock( datahandle );
+    if ( GetHandleSize( datahandle ) > 0 )
     {
-        wxLogSysError(_("Failed to get clipboard data."));
-
-        return NULL ;
+        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;
+        else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+            ((wxChar*)data)[ byteCount / 2 ] = 0;
+        *len = byteCount;
     }
-    if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
+
+    DisposeHandle( datahandle );
+#endif
+
+    if (err != noErr)
     {
-      wxMacConvertToPC((char*)data) ;
+        wxLogSysError(wxT("Failed to get clipboard data."));
+
+        return NULL;
     }
-    return data;
-}
 
+    if (dataFormat.GetType() == wxDF_TEXT)
+        wxMacConvertNewlines10To13( (char*)data );
 
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
+    return data;
+}
 
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxClipboardBase)
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
 
 wxClipboard::wxClipboard()
 {
-  m_open = false ;
-  m_data = NULL ;
+    m_open = false;
+    m_data = NULL;
 }
 
 wxClipboard::~wxClipboard()
 {
-    if (m_data)
+    if (m_data != NULL)
     {
         delete m_data;
-        m_data = (wxDataObject*) NULL;
+        m_data = NULL;
     }
 }
 
 void wxClipboard::Clear()
 {
-    if (m_data)
+    if (m_data != NULL)
     {
         delete m_data;
-        m_data = (wxDataObject*) NULL;
+        m_data = NULL;
     }
+
 #if TARGET_CARBON
-	OSStatus err ;
-	err = ClearCurrentScrap( );
+    OSStatus err;
+    err = ClearCurrentScrap();
 #else
-	OSErr err ;
-	err = ZeroScrap( );
+    OSErr err;
+    err = ZeroScrap();
 #endif
-	if ( err )
-	{
-        wxLogSysError(_("Failed to empty the clipboard."));
-	}
+
+    if (err != noErr)
+    {
+        wxLogSysError( wxT("Failed to empty the clipboard.") );
+    }
 }
 
 bool wxClipboard::Flush()
 {
-    return FALSE;
+    return false;
 }
 
 bool wxClipboard::Open()
 {
-    wxCHECK_MSG( !m_open, FALSE, wxT("clipboard already open") );
-    m_open = true ;
-    return true ;
+    wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
+
+    m_open = true;
+
+    return true;
 }
 
 bool wxClipboard::IsOpened() const
@@ -182,29 +210,27 @@ bool wxClipboard::IsOpened() const
 
 bool wxClipboard::SetData( wxDataObject *data )
 {
-    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
-
-    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") );
 
     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( m_open, FALSE, wxT("clipboard not open") );
-
-    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") );
 
-    wxDataFormat format = data->GetPreferredFormat();
-
-    /* we can only store one wxDataObject */
+    // we can only store one wxDataObject
     Clear();
 
     m_data = data;
 
-    /* get formats from wxDataObjects */
+    // get formats from wxDataObjects
     wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
     m_data->GetAllFormats( array );
 
@@ -214,185 +240,192 @@ bool wxClipboard::AddData( wxDataObject *data )
                     wxT("wxClipboard now supports atom %s"),
                     array[i].GetId().c_str() );
 
-#if !TARGET_CARBON
-	      OSErr err = noErr ;
-#else
-	      OSStatus err = noErr ;
-#endif
+        size_t sz = data->GetDataSize( array[ i ] );
+        void* buf = malloc( sz + 1 );
+        if ( buf != NULL )
+        {
+            // 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;
 
-       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_UNICODE
+            case wxDF_UNICODETEXT:
+                mactype = kScrapFlavorTypeUnicode;
+                sz -= 2;
+                break;
+#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 ) ;
-           }
+            case wxDF_METAFILE:
+                mactype = kScrapFlavorTypePicture;
+                break;
 #endif
-           case wxDF_BITMAP:
-           case wxDF_DIB:
-           default:
-      			break ;
-       }
 
+            case wxDF_BITMAP:
+            case wxDF_DIB:
+                mactype = kScrapFlavorTypePicture;
+                break;
+
+            default:
+                mactype = (OSType)(array[ i ].GetFormatId());
+                break;
+            }
+
+            UMAPutScrap( sz , mactype , buf );
+            free( buf );
+        }
     }
 
-    delete[] array;
+    delete [] array;
 
-    return true ;
+    return true;
 }
 
 void wxClipboard::Close()
 {
-    m_open = false ;
+    wxCHECK_RET( m_open, wxT("clipboard not open") );
+
+    m_open = false;
+
+    // Get rid of cached object.
+    // If this is not done, copying data from
+    // another application will only work once
+    if (m_data)
+    {
+        delete m_data;
+        m_data = (wxDataObject*) NULL;
+    }
 }
 
 bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
 {
-  if ( m_data )
-  {
-    return m_data->IsSupported( dataFormat ) ;
-  }
+    if ( m_data )
+        return m_data->IsSupported( dataFormat );
+
+    bool hasData = false;
+
 #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;
-	
+    OSStatus err = noErr;
+    ScrapRef scrapRef;
+
+    err = GetCurrentScrap( &scrapRef );
+    if ( err != noTypeErr && err != memFullErr )
+    {
+        ScrapFlavorFlags flavorFlags;
+        Size byteCount;
+
+        err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
+        if (err == noErr)
+        {
+            err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount );
+            if (err == noErr)
+                hasData = true;
+        }
+        else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
+        {
+            err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags );
+            if (err == noErr)
+            {
+                err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount );
+                if (err == noErr)
+                    hasData = true;
+            }
+        }
+    }
+
 #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 ;
+
+    long offset = 0;
+    Handle datahandle = NewHandle( 0 );
+    HLock( datahandle );
+    GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
+    HUnlock( datahandle );
+    hasData = GetHandleSize( datahandle ) > 0;
+    DisposeHandle( datahandle );
 #endif
+
+    return hasData;
 }
 
 bool wxClipboard::GetData( wxDataObject& data )
 {
-    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+    wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
 
-    int formatcount = data.GetFormatCount() + 1 ;
-    wxDataFormat *array = new wxDataFormat[ formatcount  ];
+    size_t formatcount = data.GetFormatCount() + 1;
+    wxDataFormat *array = new wxDataFormat[ formatcount ];
     array[0] = data.GetPreferredFormat();
     data.GetAllFormats( &array[1] );
 
-    bool transferred = false ;
+    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) 
+        for (size_t i = 0; !transferred && i < formatcount; i++)
+        {
+            wxDataFormat format = array[ i ];
+            if ( m_data->IsSupported( format ) )
             {
-              data.SetData(format , 0 , 0 ) ;
+                int dataSize = m_data->GetDataSize( format );
+                transferred = true;
+
+                if (dataSize == 0)
+                {
+                    data.SetData( format, 0, 0 );
+                }
+                else
+                {
+                    char *d = new char[ dataSize ];
+                    m_data->GetDataHere( format, (void*)d );
+                    data.SetData( format, dataSize, d );
+                    delete [] d;
+                }
             }
-            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 ) 
+
+    // get formats from wxDataObjects
+    if ( !transferred )
     {
-  #if !TARGET_CARBON
-  	OSErr err = noErr ;
-  #else
-  	OSStatus err = noErr ;
-  #endif
-      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 ;
-          }
-       }
+        for (size_t i = 0; !transferred && i < formatcount; i++)
+        {
+            wxDataFormat format = array[ i ];
+
+            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 != NULL)
+                    {
+                        data.SetData( format, len, s );
+                        delete [] s;
+
+                        transferred = true;
+                    }
+                }
+                break;
+            }
+        }
     }
 
-    delete[] array ;
-    return transferred ;
+    delete [] array;
+
+    return transferred;
 }
+
+#endif