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CodeBlocksPortable/wxWidgets-3.0.5/samples/ipc/server.h

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C++

/////////////////////////////////////////////////////////////////////////////
// Name: server.h
// Purpose: DDE sample: server
// Author: Julian Smart
// Modified by:
// Created: 25/01/99
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "connection.h"
enum
{
ID_START = 10000,
ID_DISCONNECT,
ID_ADVISE,
ID_SERVERNAME,
};
// Define a new application
class MyServer;
class MyFrame;
class MyApp : public wxApp
{
public:
virtual bool OnInit();
MyFrame *GetFrame() { return m_frame; }
protected:
MyFrame *m_frame;
};
DECLARE_APP(MyApp)
// Define a new frame
class MyFrame : public wxFrame
{
public:
MyFrame(wxFrame *frame, const wxString& title);
void OnClose(wxCloseEvent& event);
void UpdateUI();
void Disconnect();
protected:
wxButton* GetStart() { return (wxButton*) FindWindow( ID_START ); }
wxChoice* GetServername() { return (wxChoice*) FindWindow( ID_SERVERNAME ); }
wxButton* GetDisconnect() { return (wxButton*) FindWindow( ID_DISCONNECT ); }
wxButton* GetAdvise() { return (wxButton*) FindWindow( ID_ADVISE ); }
MyServer *m_server;
void OnStart( wxCommandEvent &event );
void OnServerName( wxCommandEvent &event );
void OnDisconnect( wxCommandEvent &event );
void OnAdvise( wxCommandEvent &event );
wxDECLARE_EVENT_TABLE();
};
class MyConnection : public MyConnectionBase
{
public:
virtual bool OnExecute(const wxString& topic, const void *data, size_t size, wxIPCFormat format);
virtual const void *OnRequest(const wxString& topic, const wxString& item, size_t *size, wxIPCFormat format);
virtual bool OnPoke(const wxString& topic, const wxString& item, const void *data, size_t size, wxIPCFormat format);
virtual bool OnStartAdvise(const wxString& topic, const wxString& item);
virtual bool OnStopAdvise(const wxString& topic, const wxString& item);
virtual bool DoAdvise(const wxString& item, const void *data, size_t size, wxIPCFormat format);
virtual bool OnDisconnect();
// topic for which we advise the client or empty if none
wxString m_advise;
protected:
// the data returned by last OnRequest(): we keep it in this buffer to
// ensure that the pointer we return from OnRequest() stays valid
wxCharBuffer m_requestData;
};
class MyServer : public wxServer
{
public:
MyServer();
virtual ~MyServer();
void Disconnect();
bool IsConnected() { return m_connection != NULL; }
MyConnection *GetConnection() { return m_connection; }
void Advise();
bool CanAdvise() { return m_connection && !m_connection->m_advise.empty(); }
virtual wxConnectionBase *OnAcceptConnection(const wxString& topic);
protected:
MyConnection *m_connection;
};