cleanup

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

diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp
index 997be2fb36718254a57c315f74b83a0b6b99d5f8..99a8fba35c5af8a98508d5c99755fa84a5778a73 100644 (file)
--- a/src/mac/carbon/clipbrd.cpp
+++ b/src/mac/carbon/clipbrd.cpp
@@ -1,187 +1,146 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        clipbrd.cpp
+// Name:        src/mac/carbon/clipbrd.cpp

 // Purpose:     Clipboard functionality
 // Purpose:     Clipboard functionality

-// Author:      AUTHOR
+// Author:      Stefan Csomor;
+//              Generalized clipboard implementation by Matthew Flatt

 // Modified by:
 // Modified by:

-// Created:     ??/??/98
+// Created:     1998-01-01

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
+// Copyright:   (c) Stefan Csomor

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // 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/bitmap.h"
-#include "wx/utils.h"
-#include "wx/metafile.h"

 #include "wx/clipbrd.h"
 #include "wx/clipbrd.h"

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

 
 

-#ifndef __DARWIN__
-#include <Scrap.h>
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/frame.h"
+    #include "wx/bitmap.h"

 #endif
 #endif

+
+#include "wx/metafile.h"
+

 #include "wx/mac/uma.h"
 
 #define wxUSE_DATAOBJ 1
 
 #include <string.h>
 
 #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!)
 // 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");
+
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+
+// in order to keep the binary interface the same this class
+// serves just to have a few additional member variables inside
+// the clipboard class

 
 

-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
+class wxMacBinaryCompatHelper : public wxDataObject

 {
 {

-#if !TARGET_CARBON
-    OSErr err = noErr ;
-#else
-    OSStatus err = noErr ;
-#endif
-       void * data = NULL ;
-       Size byteCount;
-    
-    switch (dataFormat.GetType())
+public :
+    wxMacBinaryCompatHelper() 

     {
     {

-        case wxDF_OEMTEXT:
-            dataFormat = wxDF_TEXT;
-            // fall through
-
-        case wxDF_TEXT:
-                break;
-        case wxDF_BITMAP :
-        case wxDF_METAFILE :
-                       break ;
-        default:
-            {
-                wxLogError(_("Unsupported clipboard format."));
-                return NULL;
-            }
+        m_trueData = NULL;

     }
 
     }
 

-#if TARGET_CARBON
-    ScrapRef scrapRef;
-    
-    err = GetCurrentScrap( &scrapRef );
-    if ( err != noTypeErr && err != memFullErr )    
+    ~wxMacBinaryCompatHelper() 

     {
     {

-        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 ;
-          }
-            }
+        if (m_trueData != NULL)
+    {
+            delete m_trueData;
+            m_trueData = 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 ;
+
+    virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const 
+        {
+        return wxDataFormat();

     }
     }

-    DisposeHandle( datahandle ) ;
-#endif
-    if ( err )
-    {
-        wxLogSysError(_("Failed to get clipboard data."));

 
 

-        return NULL ;
+    virtual size_t GetFormatCount(Direction dir = Get) const 
+                {
+        return 0;
+                    }
+
+    virtual void GetAllFormats(wxDataFormat *formats,
+                               Direction dir = Get) const
+                {

     }
     }

-    if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
+
+    virtual size_t GetDataSize(const wxDataFormat& format) const

     {
     {

-      wxMacConvertToPC((char*)data,(char*)data,byteCount) ;
+        return 0;

     }
     }

-    return data;
-}

 
 

+    virtual bool GetDataHere(const wxDataFormat& format, void *buf) const
+    {
+        return false;
+    }

 
 

-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
+    // only relevant from here on

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+    wxDataObject* m_trueData;
+    wxCFRef<PasteboardRef> m_pasteboard;
+};
+
+#define M_CLIPBOARD ((wxMacBinaryCompatHelper*)m_data)

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

-  m_open = false ;
-  m_data = NULL ;
+    m_open = false;
+    m_data = new wxMacBinaryCompatHelper() ;
+    PasteboardRef clipboard = 0;
+    OSStatus err = PasteboardCreate( kPasteboardClipboard, &clipboard );
+    if (err != noErr)
+    {
+        wxLogSysError( wxT("Failed to create the clipboard.") );
+    }
+    M_CLIPBOARD->m_pasteboard.reset(clipboard);

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

-    if (m_data)
-    {
+    M_CLIPBOARD->m_pasteboard.reset((PasteboardRef)0);

         delete m_data;
         delete m_data;

-        m_data = (wxDataObject*) NULL;
-    }

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

-    if (m_data)
+    if (M_CLIPBOARD->m_trueData != NULL)

     {
     {

-        delete m_data;
-        m_data = (wxDataObject*) NULL;
+        delete M_CLIPBOARD->m_trueData;
+        M_CLIPBOARD->m_trueData = NULL;

     }
     }

-#if TARGET_CARBON
-    OSStatus err ;
-    err = ClearCurrentScrap( );
-#else
-    OSErr err ;
-    err = ZeroScrap( );
-#endif
-    if ( err )
+
+    OSStatus err = PasteboardClear( M_CLIPBOARD->m_pasteboard );
+    if (err != noErr)

     {
     {

-        wxLogSysError(_("Failed to empty the clipboard."));
+        wxLogSysError( wxT("Failed to empty the clipboard.") );

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

-    return FALSE;
+    return false;

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


@@ -191,211 +150,112 @@ bool wxClipboard::IsOpened() const
 
 bool wxClipboard::SetData( wxDataObject *data )
 {
 
 bool wxClipboard::SetData( wxDataObject *data )
 {

-    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+    if ( IsUsingPrimarySelection() )
+        return false;

 
 

-    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();
 
 
     Clear();
 

+    // as we can only store one wxDataObject,
+    // this is the same in this implementation

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

-    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+    if ( IsUsingPrimarySelection() )
+        return false;

 
 

-    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 */
+    // we can only store one wxDataObject

     Clear();
 
     Clear();
 

-    m_data = data;
-
-    /* get formats from wxDataObjects */
-    wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
-    m_data->GetAllFormats( array );
-
-    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
-
-       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() ;
-                }
-                err = UMAPutScrap( mac.Length() , 'TEXT' , (void*) mac.c_str()  ) ;
-           }
-           break ;
-
-#if wxUSE_DRAG_AND_DROP
-        case wxDF_METAFILE:
-           {
-                               wxMetafileDataObject* metaFileDataObject =
-                (wxMetafileDataObject*) data;
-               wxMetafile metaFile = metaFileDataObject->GetMetafile();
-               PicHandle pict = (PicHandle) metaFile.GetHMETAFILE() ;
-               HLock( (Handle) pict ) ;
-               err = UMAPutScrap( GetHandleSize(  (Handle) pict ) , 'PICT' , *pict ) ;
-               HUnlock(  (Handle) pict ) ;
-           }
-           break ;
-#endif
-           case wxDF_BITMAP:
-           case wxDF_DIB:
-           {
-                       bool created = false ;
-                       PicHandle pict = NULL ;
-                       
-                       wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data ;
-                       pict = (PicHandle) bitmapDataObject->GetBitmap().GetPict( &created ) ;
-
-               HLock( (Handle) pict ) ;
-               err = UMAPutScrap( GetHandleSize(  (Handle) pict ) , 'PICT' , *pict ) ;
-               HUnlock(  (Handle) pict ) ;
-               if ( created )
-                       KillPicture( pict ) ;
-           }
-           default:
-                break ;
-       }
+    PasteboardSyncFlags syncFlags = PasteboardSynchronize( M_CLIPBOARD->m_pasteboard );
+    wxCHECK_MSG( !(syncFlags&kPasteboardModified), false, wxT("clipboard modified after clear") );
+    wxCHECK_MSG( (syncFlags&kPasteboardClientIsOwner), false, wxT("client couldn't own clipboard") );

 
 

-    }
+    M_CLIPBOARD->m_trueData = data;

 
 

-    delete[] array;
+    data->AddToPasteboard( M_CLIPBOARD->m_pasteboard, 1 );

 
 

-    return true ;
+    return true;

 }
 
 void wxClipboard::Close()
 {
 }
 
 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_CLIPBOARD->m_trueData)
+    {
+        delete M_CLIPBOARD->m_trueData;
+        M_CLIPBOARD->m_trueData = (wxDataObject*) NULL;
+    }

 }
 
 bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
 {
 }
 
 bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
 {

-  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
+    if ( M_CLIPBOARD->m_trueData )
+        return M_CLIPBOARD->m_trueData->IsSupported( dataFormat );
+    return wxDataObject::IsFormatInPasteboard( M_CLIPBOARD->m_pasteboard, dataFormat );

 }
 
 bool wxClipboard::GetData( wxDataObject& data )
 {
 }
 
 bool wxClipboard::GetData( wxDataObject& data )
 {

-    wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+    if ( IsUsingPrimarySelection() )
+        return false;
+
+    wxCHECK_MSG( m_open, false, wxT("clipboard not open") );

 
 

-    size_t 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] );
 
     array[0] = data.GetPreferredFormat();
     data.GetAllFormats( &array[1] );
 

-    bool transferred = false ;
+    bool transferred = false;

 
 

-    if ( m_data )
+    if ( M_CLIPBOARD->m_trueData )

     {
     {

-      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
+        for (size_t i = 0; !transferred && i < formatcount; i++)
+        {
+            wxDataFormat format = array[ i ];
+            if ( M_CLIPBOARD->m_trueData->IsSupported( format ) )

             {
             {

-              char *d = new char[size];
-              m_data->GetDataHere( format , (void*) d );
-              data.SetData( format , size , d ) ;
-              delete[] d ;
+                int dataSize = M_CLIPBOARD->m_trueData->GetDataSize( format );
+                transferred = true;
+
+                if (dataSize == 0)
+                {
+                    data.SetData( format, 0, 0 );
+                }
+                else
+                {
+                    char *d = new char[ dataSize ];
+                    M_CLIPBOARD->m_trueData->GetDataHere( format, (void*)d );
+                    data.SetData( format, dataSize, d );
+                    delete [] d;
+                }

             }
             }

-          }
-       }
+        }

     }
     }

-    /* get formats from wxDataObjects */
-    if ( !transferred ) 
+
+    // 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 :
-              case wxDF_BITMAP :
-              case wxDF_METAFILE :
-              {
-                  long len ;
-                  char* s = (char*)wxGetClipboardData(format, &len );
-                  if ( s )
-                  {
-                    data.SetData( format , len , s ) ;
-                    delete [] s;
-
-                    transferred = true ;
-                  }
-              }
-                                                       break ;
-
-              default :
-                break ;
-          }
-       }
+        transferred = data.GetFromPasteboard( M_CLIPBOARD->m_pasteboard ) ;

     }
 
     }
 

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

 }
 }

+
+#endif