X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/88a7a4e10ed18f81a576dcd866cfbf02bf404c00..f5d7fd083771b7fee5524f0503f17bda8cf07e85:/src/mac/carbon/clipbrd.cpp

diff --git a/src/mac/carbon/clipbrd.cpp b/src/mac/carbon/clipbrd.cpp
index f884aae4f7..99a8fba35c 100644
--- a/src/mac/carbon/clipbrd.cpp
+++ b/src/mac/carbon/clipbrd.cpp
@@ -2,7 +2,7 @@
 // Name:        src/mac/carbon/clipbrd.cpp
 // Purpose:     Clipboard functionality
 // Author:      Stefan Csomor;
-//                   Generalized clipboard implementation by Matthew Flatt
+//              Generalized clipboard implementation by Matthew Flatt
 // Modified by:
 // Created:     1998-01-01
 // RCS-ID:      $Id$
@@ -18,18 +18,14 @@
 
 #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
 
-#include "wx/app.h"
-#include "wx/frame.h"
-#include "wx/bitmap.h"
-#include "wx/utils.h"
 #include "wx/metafile.h"
-#include "wx/log.h"
-
-#ifndef __DARWIN__
-#include <Scrap.h>
-#endif
 
 #include "wx/mac/uma.h"
 
@@ -43,150 +39,90 @@
 // (there will be a *lot* of them!)
 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
 {
-    OSStatus err = noErr;
-    void * data = NULL;
-    Size byteCount;
-
-    switch (dataFormat.GetType())
+public :
+    wxMacBinaryCompatHelper() 
     {
-    case wxDF_OEMTEXT:
-        dataFormat = wxDF_TEXT;
-        break;
-
-    case wxDF_TEXT:
-    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() 
     {
-        ScrapFlavorFlags    flavorFlags;
+        if (m_trueData != NULL)
+    {
+            delete m_trueData;
+            m_trueData = NULL;
+        }
+    }
 
-        err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags );
-        if (err == noErr)
+    virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const 
         {
-            err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount );
-            if (err == 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 );
-    err = (OSStatus)GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
-    HUnlock( datahandle );
-    if ( GetHandleSize( datahandle ) > 0 )
+    virtual size_t GetDataSize(const wxDataFormat& format) const
     {
-        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;
+        return 0;
     }
 
-    DisposeHandle( datahandle );
-#endif
-
-    if (err != noErr)
+    virtual bool GetDataHere(const wxDataFormat& format, void *buf) const
     {
-        wxLogSysError(wxT("Failed to get clipboard data."));
-
-        return NULL;
+        return false;
     }
 
-    if (dataFormat.GetType() == wxDF_TEXT)
-        wxMacConvertNewlines10To13( (char*)data );
+    // only relevant from here on
 
-    return data;
-}
+    wxDataObject* m_trueData;
+    wxCFRef<PasteboardRef> m_pasteboard;
+};
 
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+#define M_CLIPBOARD ((wxMacBinaryCompatHelper*)m_data)
 
 wxClipboard::wxClipboard()
 {
     m_open = false;
-    m_data = NULL;
+    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()
 {
-    if (m_data != NULL)
-    {
+    M_CLIPBOARD->m_pasteboard.reset((PasteboardRef)0);
         delete m_data;
-        m_data = NULL;
-    }
 }
 
 void wxClipboard::Clear()
 {
-    if (m_data != NULL)
+    if (M_CLIPBOARD->m_trueData != NULL)
     {
-        delete m_data;
-        m_data = NULL;
+        delete M_CLIPBOARD->m_trueData;
+        M_CLIPBOARD->m_trueData = NULL;
     }
 
-#if TARGET_CARBON
-    OSStatus err;
-    err = ClearCurrentScrap();
-#else
-    OSErr err;
-    err = ZeroScrap();
-#endif
-
+    OSStatus err = PasteboardClear( M_CLIPBOARD->m_pasteboard );
     if (err != noErr)
     {
         wxLogSysError( wxT("Failed to empty the clipboard.") );
@@ -214,6 +150,9 @@ bool wxClipboard::IsOpened() const
 
 bool wxClipboard::SetData( wxDataObject *data )
 {
+    if ( IsUsingPrimarySelection() )
+        return false;
+
     wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
     wxCHECK_MSG( data, false, wxT("data is invalid") );
 
@@ -226,78 +165,22 @@ bool wxClipboard::SetData( wxDataObject *data )
 
 bool wxClipboard::AddData( wxDataObject *data )
 {
+    if ( IsUsingPrimarySelection() )
+        return false;
+
     wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
     wxCHECK_MSG( data, false, wxT("data is invalid") );
 
     // we can only store one wxDataObject
     Clear();
 
-    m_data = data;
+    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") );
 
-    // get formats from wxDataObjects
-    wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
-    m_data->GetAllFormats( array );
+    M_CLIPBOARD->m_trueData = data;
 
-    for (size_t i = 0; i < m_data->GetFormatCount(); i++)
-    {
-        if (array[i].IsStandard())
-        {
-            wxLogTrace( TRACE_CLIPBOARD,
-                        wxT("wxClipboard now supports standard atom type %d"),
-                        array[i].GetType() );
-        }
-        else
-        {
-            wxLogTrace( TRACE_CLIPBOARD,
-                        wxT("wxClipboard now supports atom %s"),
-                        array[i].GetId().c_str() );
-        }
-
-        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;
-
-#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 );
-        }
-    }
-
-    delete [] array;
+    data->AddToPasteboard( M_CLIPBOARD->m_pasteboard, 1 );
 
     return true;
 }
@@ -311,65 +194,25 @@ void wxClipboard::Close()
     // Get rid of cached object.
     // If this is not done, copying data from
     // another application will only work once
-    if (m_data)
+    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 )
 {
-    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;
-
-        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 = 0;
-    Handle datahandle = NewHandle( 0 );
-    HLock( datahandle );
-    GetScrap( datahandle, dataFormat.GetFormatId(), &offset );
-    HUnlock( datahandle );
-    hasData = GetHandleSize( datahandle ) > 0;
-    DisposeHandle( datahandle );
-#endif
-
-    return hasData;
+    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 )
 {
+    if ( IsUsingPrimarySelection() )
+        return false;
+
     wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
 
     size_t formatcount = data.GetFormatCount() + 1;
@@ -379,14 +222,14 @@ bool wxClipboard::GetData( wxDataObject& data )
 
     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 ) )
+            if ( M_CLIPBOARD->m_trueData->IsSupported( format ) )
             {
-                int dataSize = m_data->GetDataSize( format );
+                int dataSize = M_CLIPBOARD->m_trueData->GetDataSize( format );
                 transferred = true;
 
                 if (dataSize == 0)
@@ -396,7 +239,7 @@ bool wxClipboard::GetData( wxDataObject& data )
                 else
                 {
                     char *d = new char[ dataSize ];
-                    m_data->GetDataHere( format, (void*)d );
+                    M_CLIPBOARD->m_trueData->GetDataHere( format, (void*)d );
                     data.SetData( format, dataSize, d );
                     delete [] d;
                 }
@@ -407,33 +250,7 @@ bool wxClipboard::GetData( wxDataObject& data )
     // get formats from wxDataObjects
     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 != NULL)
-                    {
-                        data.SetData( format, len, s );
-                        delete [] s;
-
-                        transferred = true;
-                    }
-                }
-                break;
-            }
-        }
+        transferred = data.GetFromPasteboard( M_CLIPBOARD->m_pasteboard ) ;
     }
 
     delete [] array;