mirror of https://github.com/PCSX2/pcsx2.git
145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: dde.h
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// Purpose: DDE class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id: dde.h 53135 2008-04-12 02:31:04Z VZ $
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DDE_H_
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#define _WX_DDE_H_
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#include "wx/ipcbase.h"
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/*
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* Mini-DDE implementation
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Most transactions involve a topic name and an item name (choose these
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as befits your application).
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A client can:
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- ask the server to execute commands (data) associated with a topic
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- request data from server by topic and item
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- poke data into the server
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- ask the server to start an advice loop on topic/item
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- ask the server to stop an advice loop
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A server can:
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- respond to execute, request, poke and advice start/stop
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- send advise data to client
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Note that this limits the server in the ways it can send data to the
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client, i.e. it can't send unsolicited information.
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*
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*/
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class WXDLLIMPEXP_FWD_BASE wxDDEServer;
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class WXDLLIMPEXP_FWD_BASE wxDDEClient;
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class WXDLLIMPEXP_BASE wxDDEConnection: public wxConnectionBase
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{
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DECLARE_DYNAMIC_CLASS(wxDDEConnection)
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public:
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wxDDEConnection(wxChar *buffer, int size); // use external buffer
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wxDDEConnection(); // use internal buffer
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virtual ~wxDDEConnection(void);
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// Calls that CLIENT can make
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virtual bool Execute(const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
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virtual bool Execute(const wxString& str) { return Execute(str, -1, wxIPC_TEXT); }
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virtual wxChar *Request(const wxString& item, int *size = NULL, wxIPCFormat format = wxIPC_TEXT);
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virtual bool Poke(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
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virtual bool StartAdvise(const wxString& item);
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virtual bool StopAdvise(const wxString& item);
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// Calls that SERVER can make
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virtual bool Advise(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
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// Calls that both can make
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virtual bool Disconnect(void);
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// Default behaviour is to delete connection and return true
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virtual bool OnDisconnect(void);
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public:
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wxString m_topicName;
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wxDDEServer* m_server;
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wxDDEClient* m_client;
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WXHCONV m_hConv;
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wxChar* m_sendingData;
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int m_dataSize;
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wxIPCFormat m_dataType;
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DECLARE_NO_COPY_CLASS(wxDDEConnection)
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};
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class WXDLLIMPEXP_BASE wxDDEServer: public wxServerBase
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{
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DECLARE_DYNAMIC_CLASS(wxDDEServer)
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public:
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wxDDEServer(void);
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virtual ~wxDDEServer(void);
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bool Create(const wxString& server_name); // Returns false if can't create server (e.g. port
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// number is already in use)
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virtual wxConnectionBase *OnAcceptConnection(const wxString& topic);
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////////////////////////////////////////////////////////////
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// Implementation
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// Find/delete wxDDEConnection corresponding to the HCONV
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wxDDEConnection *FindConnection(WXHCONV conv);
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bool DeleteConnection(WXHCONV conv);
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inline wxString& GetServiceName(void) const { return (wxString&) m_serviceName; }
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inline wxDDEConnectionList& GetConnections(void) const
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{
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return (wxDDEConnectionList&) m_connections;
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}
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protected:
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int m_lastError;
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wxString m_serviceName;
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wxDDEConnectionList m_connections;
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};
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class WXDLLIMPEXP_BASE wxDDEClient: public wxClientBase
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{
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DECLARE_DYNAMIC_CLASS(wxDDEClient)
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public:
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wxDDEClient(void);
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virtual ~wxDDEClient(void);
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bool ValidHost(const wxString& host);
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virtual wxConnectionBase *MakeConnection(const wxString& host, const wxString& server, const wxString& topic);
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// Call this to make a connection.
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// Returns NULL if cannot.
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virtual wxConnectionBase *OnMakeConnection(void); // Tailor this to return own connection.
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////////////////////////////////////////////////////////////
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// Implementation
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// Find/delete wxDDEConnection corresponding to the HCONV
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wxDDEConnection *FindConnection(WXHCONV conv);
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bool DeleteConnection(WXHCONV conv);
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inline wxDDEConnectionList& GetConnections(void) const
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{
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return (wxDDEConnectionList&) m_connections;
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}
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protected:
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int m_lastError;
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wxDDEConnectionList m_connections;
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};
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void WXDLLIMPEXP_BASE wxDDEInitialize();
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void WXDLLIMPEXP_BASE wxDDECleanUp();
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#endif
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// _WX_DDE_H_
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