fix for using wxDataObjectComposite with the clipboard

[wxWidgets.git] / src / common / stream.cpp

diff --git a/src/common/stream.cpp b/src/common/stream.cpp
index c0e059485139b15b7a029e04b64022181f4a7102..a65c6154d853f77c0693c38b2b5dd3faf25bc74f 100644 (file)
--- a/src/common/stream.cpp
+++ b/src/common/stream.cpp
@@ -39,6 +39,7 @@
 #include "wx/stream.h"
 #include "wx/datstrm.h"
 #include "wx/objstrm.h"
+#include "wx/textfile.h"
 
 // ----------------------------------------------------------------------------
 // constants
@@ -94,7 +95,14 @@ wxStreamBuffer::wxStreamBuffer(BufMode mode)
 {
     Init();
 
-    m_stream = new wxStreamBase;
+    wxASSERT_MSG(mode != read_write, wxT("you have to use the other ctor for read_write mode") );
+    if ( mode == read )
+        m_stream = new wxInputStream;
+    else if ( mode == write)
+        m_stream = new wxOutputStream;
+    else
+        m_stream = NULL;
+
     m_mode = mode;
 
     m_flushable = FALSE;
@@ -165,7 +173,7 @@ void wxStreamBuffer::SetBufferIO(void *start,
     m_buffer_size = len;
 
     // if we own it, we free it
-    m_destroybuf = !takeOwnership;
+    m_destroybuf = takeOwnership;
 
     ResetBuffer();
 }
@@ -669,7 +677,12 @@ bool wxInputStream::Eof() const
 
     char c;
     self->Read(&c, 1);
-    if ( GetLastError() == wxSTREAM_EOF )
+
+    // some streams can know that they're at EOF before actually trying to
+    // read beyond the end of stream (e.g. files) while others have no way of
+    // knowing it, so to provide the same behaviour in all cases we only
+    // return TRUE from here if the character really couldn't be read
+    if ( !self->LastRead() && GetLastError() == wxSTREAM_EOF )
     {
         return TRUE;
     }
@@ -1024,7 +1037,8 @@ wxBufferedInputStream::wxBufferedInputStream(wxInputStream& s,
 
 wxBufferedInputStream::~wxBufferedInputStream()
 {
-    m_parent_i_stream->SeekI(-m_i_streambuf->GetBytesLeft(), wxFromCurrent);
+    m_parent_i_stream->SeekI(-(off_t)m_i_streambuf->GetBytesLeft(),
+                             wxFromCurrent);
 
     delete m_i_streambuf;
 }
@@ -1170,15 +1184,9 @@ void wxBufferedOutputStream::SetOutputStreamBuffer(wxStreamBuffer *buffer)
 
 wxOutputStream& wxEndL(wxOutputStream& stream)
 {
-#ifdef __MSW__
-  return stream.Write("\r\n", 2);
-#else
-#ifdef __WXMAC__
-  return stream.Write("\r", 1);
-#else
-  return stream.Write("\n", 1);
-#endif
-#endif
+    static const wxChar *eol = wxTextFile::GetEOL();
+
+    return stream.Write(eol, wxStrlen(eol));
 }
 
 #endif