Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / sckstrm.h

diff --git a/include/wx/sckstrm.h b/include/wx/sckstrm.h
index 3d55f1b85e2ca9f4ece372d06b744a56cdc9348b..c33e6143b713eb08a94ffa9cddb1d689b2fffa5d 100644 (file)
--- a/include/wx/sckstrm.h
+++ b/include/wx/sckstrm.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        sckstrm.h
+// Name:        wx/sckstrm.h

 // Purpose:     wxSocket*Stream
 // Author:      Guilhem Lavaux
 // Modified by:
 // Purpose:     wxSocket*Stream
 // Author:      Guilhem Lavaux
 // Modified by:


@@ -11,52 +11,65 @@
 #ifndef __SCK_STREAM_H__
 #define __SCK_STREAM_H__
 
 #ifndef __SCK_STREAM_H__
 #define __SCK_STREAM_H__
 

-#ifdef __GNUG__
-#pragma interface
-#endif
-

 #include "wx/stream.h"
 #include "wx/stream.h"

+
+#if wxUSE_SOCKETS && wxUSE_STREAMS
+

 #include "wx/socket.h"
 
 #include "wx/socket.h"
 

-class WXDLLEXPORT wxSocketOutputStream : public wxOutputStream
+class WXDLLIMPEXP_NET wxSocketOutputStream : public wxOutputStream

 {
 {

- public:
-  wxSocketOutputStream(wxSocketBase& s);
-  virtual ~wxSocketOutputStream();
-
-  wxOutputStream& Write(const void *buffer, size_t size);
-  off_t SeekO(off_t pos, wxSeekMode mode) { return -1; }
-  off_t TellO() { return -1; }
-
-  bool Bad() { return m_o_socket->IsDisconnected(); }
-  size_t LastWrite() { return m_o_socket->LastCount(); }
- protected:
-  wxSocketBase *m_o_socket;
+public:
+    wxSocketOutputStream(wxSocketBase& s);
+    virtual ~wxSocketOutputStream();
+
+protected:
+    wxSocketBase *m_o_socket;
+
+    size_t OnSysWrite(const void *buffer, size_t bufsize);
+
+    // socket streams are both un-seekable and size-less streams:
+    wxFileOffset OnSysTell() const
+        { return wxInvalidOffset; }
+    wxFileOffset OnSysSeek(wxFileOffset WXUNUSED(pos), wxSeekMode WXUNUSED(mode))
+        { return wxInvalidOffset; }
+
+    wxDECLARE_NO_COPY_CLASS(wxSocketOutputStream);

 };
 
 };
 

-class WXDLLEXPORT wxSocketInputStream : public wxInputStream
+class WXDLLIMPEXP_NET wxSocketInputStream : public wxInputStream

 {
 {

- public:
-  wxSocketInputStream(wxSocketBase& s);
-  ~wxSocketInputStream();
-
-  wxInputStream& Read(void *buffer, size_t size);
-  off_t SeekI(off_t pos, wxSeekMode mode) { return -1; }
-  off_t TellI() { return -1; }
-
-  bool Eof() { return m_i_socket->IsDisconnected(); }
-  size_t LastRead() { return m_i_socket->LastCount(); }
- protected:
-  wxSocketBase *m_i_socket;
+public:
+    wxSocketInputStream(wxSocketBase& s);
+    virtual ~wxSocketInputStream();
+
+protected:
+    wxSocketBase *m_i_socket;
+
+    size_t OnSysRead(void *buffer, size_t bufsize);
+
+    // socket streams are both un-seekable and size-less streams:
+
+    wxFileOffset OnSysTell() const
+        { return wxInvalidOffset; }
+    wxFileOffset OnSysSeek(wxFileOffset WXUNUSED(pos), wxSeekMode WXUNUSED(mode))
+        { return wxInvalidOffset; }
+
+    wxDECLARE_NO_COPY_CLASS(wxSocketInputStream);

 };
 
 };
 

-class WXDLLEXPORT wxSocketStream : public wxSocketInputStream,
-                                   public wxSocketOutputStream,
-                                  public wxStream {
+class WXDLLIMPEXP_NET wxSocketStream : public wxSocketInputStream,
+                   public wxSocketOutputStream
+{
+public:
+    wxSocketStream(wxSocketBase& s);
+    virtual ~wxSocketStream();

 
 

- public:
-  wxSocketStream(wxSocketBase& i_s, wxSocketBase& o_s);
-  wxSocketStream(wxSocketBase& s);
+    wxDECLARE_NO_COPY_CLASS(wxSocketStream);

 };
 
 #endif
 };
 
 #endif

+  // wxUSE_SOCKETS && wxUSE_STREAMS
+
+#endif
+  // __SCK_STREAM_H__