SetValue is not adding a line if values does not exist

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

diff --git a/src/mac/carbon/dataobj.cpp b/src/mac/carbon/dataobj.cpp
index 3d6437c7b743c73646dd0d5d4533f3708f4cd96e..bec4f2bd605d14d75b1c96f681471ddaebefa93a 100644 (file)
--- a/src/mac/carbon/dataobj.cpp
+++ b/src/mac/carbon/dataobj.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        os2/dataobj.cpp
-// Purpose:     implementation of wx[I]DataObject class
-// Author:      David Webster
+// Name:        mac/dataobj.cpp
+// Purpose:     implementation of wxDataObject class
+// Author:      Stefan Csomor
 // Modified by:
 // Created:     10/21/99
 // RCS-ID:      $Id$
-// Copyright:   (c) 1999 David Webster
-// Licence:     wxWindows license
+// Copyright:   (c) 1999 Stefan Csomor
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -34,6 +34,7 @@
 #include "wx/mstream.h"
 #include "wx/image.h"
 #include "wx/mac/private.h"
+#include <Scrap.h>
 
 // ----------------------------------------------------------------------------
 // functions
@@ -73,40 +74,46 @@ void wxDataFormat::SetType(  wxDataFormatId  Type )
 {
     m_type = Type;
 
-    if (m_type == wxDF_TEXT)
-        m_format = 'TEXT';
+    if (m_type == wxDF_TEXT )
+        m_format = kScrapFlavorTypeText;
+    else if (m_type == wxDF_UNICODETEXT )
+        m_format = kScrapFlavorTypeUnicode ;
     else if (m_type == wxDF_BITMAP || m_type == wxDF_METAFILE )
-        m_format = 'PICT';
+        m_format = kScrapFlavorTypePicture;
     else if (m_type == wxDF_FILENAME)
         m_format = kDragFlavorTypeHFS ;
     else
     {
        wxFAIL_MSG( wxT("invalid dataformat") );
-    }
-}
 
-wxDataFormatId wxDataFormat::GetType() const
-{
-    return m_type;
+       // this is '????' but it can't be used in the code because ??' is
+       // parsed as a trigraph!
+       m_format = 0x3f3f3f3f;
+    }
 }
 
 wxString wxDataFormat::GetId() const
 {
-    wxString sRet("");  // TODO: to name of ( m_format ) );
-    return sRet;
+    // note that m_format is not a pointer to string, it *is* itself a 4
+    // character string
+    char text[5] ;
+    strncpy( text , (char*) &m_format , 4 ) ;
+    text[4] = 0 ;
+
+    return wxString::FromAscii( text ) ;
 }
 
 void wxDataFormat::SetId(  NativeFormat  format )
 {
     m_format = format;
 
-    if (m_format == 'TEXT')
+    if (m_format == kScrapFlavorTypeText)
         m_type = wxDF_TEXT;
-    else
-    if (m_format == 'PICT')
+    else if (m_format == kScrapFlavorTypeUnicode )
+        m_type = wxDF_UNICODETEXT;
+    else if (m_format == kScrapFlavorTypePicture)
         m_type = wxDF_BITMAP;
-    else
-    if (m_format == kDragFlavorTypeHFS )
+    else if (m_format == kDragFlavorTypeHFS )
         m_type = wxDF_FILENAME;
     else
         m_type = wxDF_PRIVATE;
@@ -114,8 +121,6 @@ void wxDataFormat::SetId(  NativeFormat  format )
 
 void wxDataFormat::SetId( const wxChar* zId )
 {
-    wxString                        tmp(zId);
-
     m_type = wxDF_PRIVATE;
     m_format = 0;// TODO: get the format gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE );
 }
@@ -141,7 +146,7 @@ bool wxDataObject::IsSupportedFormat(
     }
     else
     {
-        wxDataFormat*               pFormats = new wxDataFormat[nFormatCount];
+        wxDataFormat* pFormats = new wxDataFormat[nFormatCount];
         GetAllFormats( pFormats
                       ,vDir
                      );
@@ -161,6 +166,19 @@ bool wxDataObject::IsSupportedFormat(
     }
 }
 
+// ----------------------------------------------------------------------------
+// wxTextDataObject
+// ----------------------------------------------------------------------------
+
+#if wxUSE_UNICODE
+void wxTextDataObject::GetAllFormats(wxDataFormat *formats, wxDataObjectBase::Direction dir) const
+{
+    *formats++ = wxDataFormat( wxDF_TEXT );
+    *formats = wxDataFormat( wxDF_UNICODETEXT );
+}
+
+#endif
+
 // ----------------------------------------------------------------------------
 // wxFileDataObject
 // ----------------------------------------------------------------------------
@@ -183,7 +201,7 @@ bool wxFileDataObject::GetDataHere(
 
 size_t wxFileDataObject::GetDataSize() const
 {
-    size_t                          nRes = 0;
+    size_t nRes = 0;
 
     for (size_t i = 0; i < m_filenames.GetCount(); i++)
     {
@@ -201,9 +219,10 @@ bool wxFileDataObject::SetData(
 {
     m_filenames.Empty();
 
-    wxString                        sFile( (const char *)pBuf);  /* char, not wxChar */
-
-    AddFile(sFile);
+    // only add if this is not an empty string
+    // we can therefore clear the list by just setting an empty string
+    if ( (*(char*)pBuf) != 0 )
+        AddFile(wxString::FromAscii((char*)pBuf));
 
     return TRUE;
 }
@@ -225,15 +244,15 @@ wxBitmapDataObject::wxBitmapDataObject()
 }
 
 wxBitmapDataObject::wxBitmapDataObject(
-  const wxBitmap&                   rBitmap
+  const wxBitmap& rBitmap
 )
 : wxBitmapDataObjectBase(rBitmap)
 {
     Init();
     if ( m_bitmap.Ok() )
     {
-               m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
-       }
+        m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
+    }
 }
 
 wxBitmapDataObject::~wxBitmapDataObject()
@@ -249,23 +268,23 @@ void wxBitmapDataObject::SetBitmap(
     wxBitmapDataObjectBase::SetBitmap(rBitmap);
     if ( m_bitmap.Ok() )
     {
-               m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
-       }
+        m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
+    }
 }
 
 void wxBitmapDataObject::Init() 
 { 
-       m_pictHandle = NULL ;
-       m_pictCreated = false ;
+    m_pictHandle = NULL ;
+    m_pictCreated = false ;
 } 
 
 void wxBitmapDataObject::Clear() 
 {
-       if ( m_pictCreated && m_pictHandle )
-       {
-               KillPicture( (PicHandle) m_pictHandle ) ;
-       }
-       m_pictHandle = NULL ;
+    if ( m_pictCreated && m_pictHandle )
+    {
+        KillPicture( (PicHandle) m_pictHandle ) ;
+    }
+    m_pictHandle = NULL ;
 }
 
 bool wxBitmapDataObject::GetDataHere(
@@ -283,7 +302,7 @@ bool wxBitmapDataObject::GetDataHere(
 
 size_t wxBitmapDataObject::GetDataSize() const
 {
-       return GetHandleSize((Handle)m_pictHandle) ;
+    return GetHandleSize((Handle)m_pictHandle) ;
 }
 
 bool wxBitmapDataObject::SetData(
@@ -299,7 +318,7 @@ bool wxBitmapDataObject::SetData(
     Rect frame = (**picHandle).picFrame ;
     
     m_bitmap.SetPict( picHandle ) ;
-       m_bitmap.SetWidth( frame.right - frame.left ) ;
-       m_bitmap.SetHeight( frame.bottom - frame.top ) ;
+    m_bitmap.SetWidth( frame.right - frame.left ) ;
+    m_bitmap.SetHeight( frame.bottom - frame.top ) ;
     return m_bitmap.Ok();
 }