Committing in .

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

diff --git a/include/wx/ipcbase.h b/include/wx/ipcbase.h
index 819c6f50cf5f7213353683a2633c52fea01cc2a8..5ed788a4cb682a95138eff3e310b9fdcf2974e1b 100644 (file)
--- a/include/wx/ipcbase.h
+++ b/include/wx/ipcbase.h
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     4/1/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_IPCBASEH__
@@ -50,13 +50,18 @@ class WXDLLEXPORT wxConnectionBase: public wxObject
   DECLARE_CLASS(wxConnectionBase)
 
 public:
-  inline wxConnectionBase(void) {}
-  inline ~wxConnectionBase(void) {}
+  wxConnectionBase(wxChar *buffer, int size); // use external buffer
+  wxConnectionBase(); // use internal, adaptive buffer
+  wxConnectionBase(wxConnectionBase& copy);
+  ~wxConnectionBase(void);
+
+  void SetConnected( bool c ) { m_connected = c; }
+  bool GetConnected() { return m_connected; }
 
   // Calls that CLIENT can make
   virtual bool Execute(const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT ) = 0;
   virtual bool Execute(const wxString& str) { return Execute(str, -1, wxIPC_TEXT); }
-  virtual char *Request(const wxString& item, int *size = (int *) NULL, wxIPCFormat format = wxIPC_TEXT) = 0;
+  virtual wxChar *Request(const wxString& item, int *size = (int *) NULL, wxIPCFormat format = wxIPC_TEXT) = 0;
   virtual bool Poke(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
   virtual bool StartAdvise(const wxString& item) = 0;
   virtual bool StopAdvise(const wxString& item) = 0;
@@ -69,16 +74,16 @@ public:
 
   // Callbacks to SERVER - override at will
   virtual bool OnExecute     ( const wxString& WXUNUSED(topic),
-                               char *WXUNUSED(data),
+                               wxChar *WXUNUSED(data),
                                int WXUNUSED(size),
                                wxIPCFormat WXUNUSED(format) )
                              { return FALSE; };
 
-  virtual char *OnRequest    ( const wxString& WXUNUSED(topic),
+  virtual wxChar *OnRequest    ( const wxString& WXUNUSED(topic),
                                const wxString& WXUNUSED(item),
                                int *WXUNUSED(size),
                                wxIPCFormat WXUNUSED(format) )
-                             { return (char *) NULL; };
+                             { return (wxChar *) NULL; };
 
   virtual bool OnPoke        ( const wxString& WXUNUSED(topic),
                                const wxString& WXUNUSED(item),
@@ -98,7 +103,7 @@ public:
   // Callbacks to CLIENT - override at will
   virtual bool OnAdvise      ( const wxString& WXUNUSED(topic),
                                const wxString& WXUNUSED(item),
-                               char *WXUNUSED(data),
+                               wxChar *WXUNUSED(data),
                                int WXUNUSED(size),
                                wxIPCFormat WXUNUSED(format) )
                              { return FALSE; };
@@ -106,8 +111,24 @@ public:
   // Callbacks to BOTH - override at will
   // Default behaviour is to delete connection and return TRUE
   virtual bool OnDisconnect(void) = 0;
+
+  // return a buffer at least this size, reallocating buffer if needed
+  // returns NULL if using an inadequate user buffer - it can't be resized
+  wxChar *      GetBufferAtLeast( size_t bytes );
+
+protected:
+  bool          m_connected;
+private:
+  wxChar *      m_buffer;
+  size_t        m_buffersize;
+  bool          m_deletebufferwhendone;
+
+  // can't use DECLARE_NO_COPY_CLASS(wxConnectionBase) because we already
+  // have copy ctor but still forbid the default assignment operator
+  wxConnectionBase& operator=(const wxConnectionBase&);
 };
 
+
 class WXDLLEXPORT wxServerBase: public wxObject
 {
   DECLARE_CLASS(wxServerBase)