Patch from Hartwig (use new GetChildren() API)

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

diff --git a/include/wx/ipcbase.h b/include/wx/ipcbase.h
index 168eeefdf0ce6fcbaffe98424948d6b7ea6d2f99..660a3391219055a38c4c07418a3eb79067a8e727 100644 (file)
--- a/include/wx/ipcbase.h
+++ b/include/wx/ipcbase.h
@@ -5,17 +5,13 @@
 // Modified by:
 // Created:     4/1/98
 // RCS-ID:      $Id$
 // 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__
 #define _WX_IPCBASEH__
 
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_IPCBASEH__
 #define _WX_IPCBASEH__
 

-#ifdef __GNUG__
-#pragma interface "ipcbase.h"
-#endif
-

 #include "wx/defs.h"
 #include "wx/object.h"
 #include "wx/string.h"
 #include "wx/defs.h"
 #include "wx/object.h"
 #include "wx/string.h"


@@ -42,77 +38,128 @@ enum wxIPCFormat
   wxIPC_PRIVATE =          20
 };
 
   wxIPC_PRIVATE =          20
 };
 

-class WXDLLEXPORT wxDDEServerBase;
-class WXDLLEXPORT wxDDEClientBase;
+class WXDLLIMPEXP_FWD_BASE wxServerBase;
+class WXDLLIMPEXP_FWD_BASE wxClientBase;

 
 

-class WXDLLEXPORT wxConnectionBase: public wxObject
+class WXDLLIMPEXP_BASE wxConnectionBase: public wxObject

 {
   DECLARE_CLASS(wxConnectionBase)
 {
   DECLARE_CLASS(wxConnectionBase)

- public:
-  inline wxConnectionBase(void) {}
-  inline ~wxConnectionBase(void) {}
+
+public:
+  wxConnectionBase(wxChar *buffer, int size); // use external buffer
+  wxConnectionBase(); // use internal, adaptive buffer
+  wxConnectionBase(const wxConnectionBase& copy);
+  virtual ~wxConnectionBase(void);
+
+  void SetConnected( bool c ) { m_connected = c; }
+  bool GetConnected() { return m_connected; }

 
   // Calls that CLIENT can make
 
   // Calls that CLIENT can make

-  virtual bool Execute(wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT ) = 0;
-  virtual bool Execute(const wxString& str) { return Execute(WXSTRINGCAST str, -1, wxIPC_TEXT); }
-  virtual char *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 Execute(const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT ) = 0;
+  // FIXME-UTF8: review this code for compatibility implications, update
+  //             accordingly, don' use c_str() below
+  virtual bool Execute(const wxString& str)
+    { return Execute(str.c_str(), -1, wxIPC_TEXT); }
+  virtual wxChar *Request(const wxString& item, int *size = (int *) NULL, wxIPCFormat format = wxIPC_TEXT) = 0;
+  virtual bool Poke(const wxString& item, const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;

   virtual bool StartAdvise(const wxString& item) = 0;
   virtual bool StopAdvise(const wxString& item) = 0;
 
   // Calls that SERVER can make
   virtual bool StartAdvise(const wxString& item) = 0;
   virtual bool StopAdvise(const wxString& item) = 0;
 
   // Calls that SERVER can make

-  virtual bool Advise(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
+  virtual bool Advise(const wxString& item, const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;

 
   // Calls that both can make
   virtual bool Disconnect(void) = 0;
 
   // Callbacks to SERVER - override at will
 
   // Calls that both can make
   virtual bool Disconnect(void) = 0;
 
   // Callbacks to SERVER - override at will

-  virtual bool OnExecute( const wxString& WXUNUSED(topic), char *WXUNUSED(data), int WXUNUSED(size), 
-                          int WXUNUSED(format) ) { return FALSE; };
-  virtual char *OnRequest( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), 
-                            int *WXUNUSED(size), int WXUNUSED(format) ) { return (char *) NULL; };
-  virtual bool OnPoke( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), wxChar *WXUNUSED(data), 
-                      int WXUNUSED(size), int WXUNUSED(format) ) { return FALSE; };
-  virtual bool OnStartAdvise( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item) ) 
-                              { return FALSE; };
-  virtual bool OnStopAdvise( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item) ) 
-                             { return FALSE; };
+  virtual bool OnExecute     ( const wxString& WXUNUSED(topic),
+                               wxChar *WXUNUSED(data),
+                               int WXUNUSED(size),
+                               wxIPCFormat WXUNUSED(format) )
+                             { return false; }
+
+  virtual const wxChar *OnRequest ( const wxString& WXUNUSED(topic),
+                                    const wxString& WXUNUSED(item),
+                                    int *WXUNUSED(size),
+                                    wxIPCFormat WXUNUSED(format) )
+                                  { return (wxChar *) NULL; }
+
+  virtual bool OnPoke        ( const wxString& WXUNUSED(topic),
+                               const wxString& WXUNUSED(item),
+                               wxChar *WXUNUSED(data),
+                               int WXUNUSED(size),
+                               wxIPCFormat WXUNUSED(format) )
+                             { return false; }
+
+  virtual bool OnStartAdvise ( const wxString& WXUNUSED(topic),
+                               const wxString& WXUNUSED(item) )
+                             { return false; }
+
+  virtual bool OnStopAdvise  ( const wxString& WXUNUSED(topic),
+                               const wxString& WXUNUSED(item) )
+                             { return false; }

 
   // Callbacks to CLIENT - override at will
 
   // Callbacks to CLIENT - override at will

-  virtual bool OnAdvise( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), char *WXUNUSED(data), 
-                        int WXUNUSED(size), int WXUNUSED(format) ) { return FALSE; };
+  virtual bool OnAdvise      ( const wxString& WXUNUSED(topic),
+                               const wxString& WXUNUSED(item),
+                               wxChar *WXUNUSED(data),
+                               int WXUNUSED(size),
+                               wxIPCFormat WXUNUSED(format) )
+                             { return false; }
+
+  // Callbacks to BOTH - override at will
+  // Default behaviour is to delete connection and return true
+  virtual bool OnDisconnect(void) = 0;

 
 

-  // Callbacks to BOTH
+  // 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 );

 
 

-  // Default behaviour is to delete connection and return TRUE
-  virtual bool OnDisconnect(void) = 0;
+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
+
+class WXDLLIMPEXP_BASE wxServerBase: public wxObject

 {
   DECLARE_CLASS(wxServerBase)
 {
   DECLARE_CLASS(wxServerBase)

- public:

 
 

+public:

   inline wxServerBase(void) {}
   inline wxServerBase(void) {}

-  inline ~wxServerBase(void) {};
-  virtual bool Create(const wxString& serverName) = 0; // Returns FALSE if can't create server (e.g. port
-                                  // number is already in use)
-  virtual wxConnectionBase *OnAcceptConnection(const wxString& topic) = 0;
+  inline ~wxServerBase(void) {}
+
+  // Returns false on error (e.g. port number is already in use)
+  virtual bool Create(const wxString& serverName) = 0;

 
 

+  // Callbacks to SERVER - override at will
+  virtual wxConnectionBase *OnAcceptConnection(const wxString& topic) = 0;

 };
 
 };
 

-class WXDLLEXPORT wxClientBase: public wxObject
+class WXDLLIMPEXP_BASE wxClientBase: public wxObject

 {
   DECLARE_CLASS(wxClientBase)
 {
   DECLARE_CLASS(wxClientBase)

- public:
-  inline wxClientBase(void) {};
-  inline ~wxClientBase(void) {};
+
+public:
+  inline wxClientBase(void) {}
+  inline ~wxClientBase(void) {}
+

   virtual bool ValidHost(const wxString& host) = 0;
   virtual bool ValidHost(const wxString& host) = 0;

-  virtual wxConnectionBase *MakeConnection(const wxString& host, const wxString& server, const wxString& topic) = 0;
-                                                // Call this to make a connection.
-                                                // Returns NULL if cannot.
-  virtual wxConnectionBase *OnMakeConnection(void) = 0; // Tailor this to return own connection.

 
 

+  // Call this to make a connection. Returns NULL if cannot.
+  virtual wxConnectionBase *MakeConnection(const wxString& host,
+                                           const wxString& server,
+                                           const wxString& topic) = 0;
+
+  // Callbacks to CLIENT - override at will
+  virtual wxConnectionBase *OnMakeConnection(void) = 0;

 };
 
 #endif
 };
 
 #endif