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1 /////////////////////////////////////////////////////////////////////////////

2 // Name: connection.h

3 // Purpose: DDE sample: MyConnection class

4 // Author: Vadim Zeitlin

5 // Created: 2008-02-11 (extracted from client.cpp)

7 // 2008 Vadim Zeitlin

8 // Licence: wxWindows licence

9 /////////////////////////////////////////////////////////////////////////////

11 #ifndef _WX_SAMPLE_IPC_CONNECTION_H_

12 #define _WX_SAMPLE_IPC_CONNECTION_H_

14 // This simple connection class adds logging of all operations

15 class MyConnectionBase : public wxConnection

16 {

17 protected:

     void Log(const wxString& command,

19 const wxString& topic,

20 const wxString& item,

21 const void *data,

22 size_t size,

23 wxIPCFormat format)

24 {

25 wxString s;

         if (topic.IsEmpty() && item.IsEmpty())

             s.Printf("%s(", command.c_str());

         else if (topic.IsEmpty())

             s.Printf("%s(item=\"%s\",", command.c_str(), item.c_str());

         else if (item.IsEmpty())

             s.Printf("%s(topic=\"%s\",", command.c_str(), topic.c_str());

32 else

             s.Printf("%s(topic=\"%s\",item=\"%s\",", command.c_str(), topic.c_str(), item.c_str());

35 switch (format)

36 {

37 case wxIPC_TEXT:

               s += wxString(static_cast<const char *>(data), size);

39 break;

41 #if wxUSE_UNICODE

42 case wxIPC_UNICODETEXT:

               s += wxString(static_cast<const wchar_t *>(data), size);

44 break;

45 #endif // wxUSE_UNICODE

47 case wxIPC_UTF8TEXT:

               s += wxString::FromUTF8(static_cast<const char *>(data), size);

49 break;

51 case wxIPC_PRIVATE:

               if ( size == 3 )

53 {

                   const char *bytes = static_cast<const char *>(data);

                   s << '"' << bytes[0] << bytes[1] << bytes[2] << '"';

56 }

57 else

58 {

                   s << "\"???\"";

60 }

61 break;

63 case wxIPC_INVALID:

64 s += "[invalid data]";

65 break;

67 default:

68 s += "[unknown data]";

69 break;

70 }

         wxLogMessage("%s,%d)", s, size);

73 }

74 };

76 #endif // _WX_SAMPLE_IPC_CONNECTION_H_