cleanup

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

diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp
index 20c8f1acec8e2c5d1181af2522ff975ce04b4589..99a8fba35c5af8a98508d5c99755fa84a5778a73 100644 (file)
--- a/src/mac/carbon/clipbrd.cpp
+++ b/src/mac/carbon/clipbrd.cpp
@@ -1,7 +1,8 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

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

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

 // Modified by:
 // Created:     1998-01-01
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     1998-01-01
 // RCS-ID:      $Id$


@@ -13,179 +14,118 @@
 
 #if wxUSE_CLIPBOARD
 
 
 #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");

 
 

-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
-{
-#if !TARGET_CARBON
-    OSErr err = noErr ;
-#else
-    OSStatus err = noErr ;
-#endif
-    void * data = NULL ;
-    Size byteCount;
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)

 
 

-    switch (dataFormat.GetType())
+// in order to keep the binary interface the same this class
+// serves just to have a few additional member variables inside
+// the clipboard class
+
+class wxMacBinaryCompatHelper : public wxDataObject
+{
+public :
+    wxMacBinaryCompatHelper() 

     {
     {

-    case wxDF_OEMTEXT:
-        dataFormat = wxDF_TEXT;
-        // fall through
-
-    case wxDF_TEXT:
-        break;
-    case wxDF_UNICODETEXT:
-        break;
-    case wxDF_BITMAP :
-    case wxDF_METAFILE :
-        break ;
-    default:
-        // custom datatype
-        break ;
+        m_trueData = NULL;

     }
 
     }
 

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

     {
     {

-        ScrapFlavorFlags    flavorFlags;
+            delete m_trueData;
+            m_trueData = NULL;
+        }
+    }

 
 

-        if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
+    virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const 

         {
         {

-            if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
-            {
-                Size allocSize = byteCount ;
-                if ( dataFormat.GetType() == wxDF_TEXT )
-                    allocSize += 1 ;
-                else if ( dataFormat.GetType() == wxDF_UNICODETEXT )
-                    allocSize += 2 ;
-
-                data = new char[ allocSize ] ;
+        return wxDataFormat();
+    }

 
 

-                if (( err = GetScrapFlavorData( scrapRef, dataFormat.GetFormatId(), &byteCount , data )) == noErr )
+    virtual size_t GetFormatCount(Direction dir = Get) const 

                 {
                 {

-                    *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;
+        return 0;

                     }
                     }

-                }
-                else
+
+    virtual void GetAllFormats(wxDataFormat *formats,
+                               Direction dir = Get) const

                 {
                 {

-                    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 ) ;
-        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 ;
-        if ( dataFormat.GetType() == wxDF_UNICODETEXT )
-            ((wxChar*)data)[byteCount/2] = 0 ;
-        *len = byteCount ;
-    }
-    DisposeHandle( datahandle ) ;
-#endif
-    if ( err )
+    virtual size_t GetDataSize(const wxDataFormat& format) const

     {
     {

-        wxLogSysError(_("Failed to get clipboard data."));
-
-        return NULL ;
+        return 0;

     }
 
     }
 

-    if ( dataFormat.GetType() == wxDF_TEXT )
+    virtual bool GetDataHere(const wxDataFormat& format, void *buf) const

     {
     {

-        wxMacConvertNewlines10To13( (char*) data ) ;
+        return false;

     }
 
     }
 

-    return data;
-}
+    // only relevant from here on

 
 

+    wxDataObject* m_trueData;
+    wxCFRef<PasteboardRef> m_pasteboard;
+};

 
 

-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
-
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+#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.") );

     }
 }
 
     }
 }
 


@@ -197,8 +137,10 @@ bool wxClipboard::Flush()
 bool wxClipboard::Open()
 {
     wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
 bool wxClipboard::Open()
 {
     wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );

-    m_open = true ;
-    return true ;
+
+    m_open = true;
+
+    return true;

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


@@ -208,204 +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( m_open, false, wxT("clipboard not open") );

     wxCHECK_MSG( data, false, wxT("data is invalid") );
 
     Clear();
     wxCHECK_MSG( data, false, wxT("data is invalid") );
 
     Clear();

-    // as we can only store one wxDataObject, this is the same in this
-    // implementation
+
+    // 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( m_open, false, wxT("clipboard not open") );

     wxCHECK_MSG( data, false, wxT("data is invalid") );
 
     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() );
+    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") );

 
 

-        size_t sz = data->GetDataSize( array[i] ) ;
-        void* buf = malloc( sz + 1 ) ;
-        if ( buf )
-        {
-            // 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 ;
-    #if wxUSE_UNICODE
-               case wxDF_UNICODETEXT :
-                    mactype = kScrapFlavorTypeUnicode ;
-                    sz -= 2;
-               break ;
-    #endif
-    #if wxUSE_DRAG_AND_DROP
-            case wxDF_METAFILE:
-                    mactype = kScrapFlavorTypePicture ;
-               break ;
-    #endif
-               case wxDF_BITMAP:
-               case wxDF_DIB:
-                    mactype = kScrapFlavorTypePicture ;
-                    break ;
-               default:
-                    mactype = (OSType)(array[i].GetFormatId());
-                    break ;
-            }
-            UMAPutScrap( sz , mactype , buf ) ;
-            free( buf ) ;
-        }
-    }
+    M_CLIPBOARD->m_trueData = data;

 
 

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

 
 

-    return true ;
+    return true;

 }
 
 void wxClipboard::Close()
 {
     wxCHECK_RET( m_open, wxT("clipboard not open") );
 
 }
 
 void wxClipboard::Close()
 {
     wxCHECK_RET( m_open, wxT("clipboard not open") );
 

-    m_open = false ;
+    m_open = false;

 
 

-    // Get rid of cached object.  If this is not done copying from another application will
-    // only work once
-    if (m_data)
+    // 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_data;
-        m_data = (wxDataObject*) NULL;
+        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 )
 {

+    if ( IsUsingPrimarySelection() )
+        return false;
+

     wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
 
     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++)
+        for (size_t i = 0; !transferred && i < formatcount; i++)

         {
         {

-            wxDataFormat format = array[i] ;
-            if ( m_data->IsSupported( format ) )
+            wxDataFormat format = array[ i ];
+            if ( M_CLIPBOARD->m_trueData->IsSupported( format ) )

             {
             {

-                int size = m_data->GetDataSize( format );
-                transferred = true ;
+                int dataSize = M_CLIPBOARD->m_trueData->GetDataSize( format );
+                transferred = true;

 
 

-                if (size == 0)
+                if (dataSize == 0)

                 {
                 {

-                    data.SetData(format , 0 , 0 ) ;
+                    data.SetData( format, 0, 0 );

                 }
                 else
                 {
                 }
                 else
                 {

-                    char *d = new char[size];
-                    m_data->GetDataHere( format , (void*) d );
-                    data.SetData( format , size , d ) ;
-                    delete[] d ;
+                    char *d = new char[ dataSize ];
+                    M_CLIPBOARD->m_trueData->GetDataHere( format, (void*)d );
+                    data.SetData( format, dataSize, d );
+                    delete [] d;

                 }
             }
         }
     }
                 }
             }
         }
     }

-    
-    // get formats from wxDataObjects 
+
+    // get formats from wxDataObjects

     if ( !transferred )
     {
     if ( !transferred )
     {

-        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 )
-                    {
-                        data.SetData( format , len , s ) ;
-                        delete [] s;
-
-                        transferred = true ;
-                    }
-                }
-                break ;
-            }
-        }
+        transferred = data.GetFromPasteboard( M_CLIPBOARD->m_pasteboard ) ;

     }
 
     }
 

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

 }
 
 #endif
 }
 
 #endif