Mention that the renderer's alignment is ignored under OS X, reorder docs

[wxWidgets.git] / samples / ipc / client.cpp

diff --git a/samples/ipc/client.cpp b/samples/ipc/client.cpp
index c405fce06205c2f72e79b4cf55a1308e58747f18..b13587b74aa570e984d5acbeb90c65bdaafd3ee7 100644 (file)
--- a/samples/ipc/client.cpp
+++ b/samples/ipc/client.cpp
@@ -76,6 +76,9 @@ END_EVENT_TABLE()
 // main frame
 bool MyApp::OnInit()
 {
+    if ( !wxApp::OnInit() )
+        return false;
+
     // Create the main frame window
     m_frame = new MyFrame(NULL, _T("Client"));
     m_frame->Show(true);
@@ -218,7 +221,7 @@ void MyFrame::EnableControls()
     GetHostname()->Enable(m_client == NULL);
     GetTopic()->Enable(m_client == NULL);
 
-    const bool isConnected = m_client->IsConnected();
+    const bool isConnected = (m_client != NULL && m_client->IsConnected());
     GetDisconnect()->Enable(m_client != NULL && isConnected);
     GetStartAdvise()->Enable(m_client != NULL && isConnected);
     GetStopAdvise()->Enable(m_client != NULL && isConnected);
@@ -261,7 +264,7 @@ void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event))
         delete m_client;
         m_client = NULL;
     }
-    Enable();
+    EnableControls();
 }
 
 void MyFrame::OnServername( wxCommandEvent& WXUNUSED(event) )
@@ -315,7 +318,7 @@ void MyFrame::Disconnect()
 {
     delete m_client;
     m_client = NULL;
-    Enable();
+    EnableControls();
 }
 
 void MyFrame::OnStartAdvise(wxCommandEvent& WXUNUSED(event))
@@ -334,14 +337,13 @@ void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event))
     {
         wxString s = _T("Date");
 
-        m_client->GetConnection()->Execute((wxChar *)s.c_str());
-        m_client->GetConnection()->Execute((wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar));
-#if wxUSE_DDE_FOR_IPC
-        wxLogMessage(_T("DDE Execute can only be used to send text strings, not arbitrary data.\nThe type argument will be ignored, text truncated, converted to Unicode and null terminated."));
-#endif
+        m_client->GetConnection()->Execute(s);
+        m_client->GetConnection()->Execute((const char *)s.c_str(), s.length() + 1);
         char bytes[3];
-        bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
-        m_client->GetConnection()->Execute((wxChar *)bytes, 3, wxIPC_PRIVATE);
+        bytes[0] = '1';
+        bytes[1] = '2';
+        bytes[2] = '3';
+        m_client->GetConnection()->Execute(bytes, WXSIZEOF(bytes));
     }
 }
 
@@ -350,12 +352,12 @@ void MyFrame::OnPoke(wxCommandEvent& WXUNUSED(event))
     if (m_client->IsConnected())
     {
         wxString s = wxDateTime::Now().Format();
-        m_client->GetConnection()->Poke(_T("Date"), (wxChar *)s.c_str());
+        m_client->GetConnection()->Poke(_T("Date"), s);
         s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
-        m_client->GetConnection()->Poke(_T("Date"), (wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar));
+        m_client->GetConnection()->Poke(_T("Date"), (const char *)s.c_str(), s.length() + 1);
         char bytes[3];
         bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
-        m_client->GetConnection()->Poke(_T("bytes[3]"), (wxChar *)bytes, 3, wxIPC_PRIVATE);
+        m_client->GetConnection()->Poke(_T("bytes[3]"), bytes, 3, wxIPC_PRIVATE);
     }
 }
 
@@ -363,7 +365,7 @@ void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event))
 {
     if (m_client->IsConnected())
     {
-        int size;
+        size_t size;
         m_client->GetConnection()->Request(_T("Date"));
         m_client->GetConnection()->Request(_T("Date+len"), &size);
         m_client->GetConnection()->Request(_T("bytes[3]"), &size, wxIPC_PRIVATE);
@@ -399,7 +401,7 @@ void MyClient::Disconnect()
         m_connection->Disconnect();
         delete m_connection;
         m_connection = NULL;
-        wxGetApp().GetFrame()->Enable();
+        wxGetApp().GetFrame()->EnableControls();
         wxLogMessage(_T("Client disconnected from server"));
     }
 }
@@ -413,37 +415,8 @@ MyClient::~MyClient()
 // MyConnection
 // ----------------------------------------------------------------------------
 
-void MyConnection::Log(const wxString& command, const wxString& topic,
-    const wxString& item, wxChar *data, int size, wxIPCFormat format)
-{
-    wxString s;
-    if (topic.IsEmpty() && item.IsEmpty())
-        s.Printf(_T("%s("), command.c_str());
-    else if (topic.IsEmpty())
-        s.Printf(_T("%s(item=\"%s\","), command.c_str(), item.c_str());
-    else if (item.IsEmpty())
-        s.Printf(_T("%s(topic=\"%s\","), command.c_str(), topic.c_str());
-    else
-        s.Printf(_T("%s(topic=\"%s\",item=\"%s\","), command.c_str(), topic.c_str(), item.c_str());
-
-    if (format == wxIPC_TEXT || format == wxIPC_UNICODETEXT)
-        wxLogMessage(_T("%s\"%s\",%d)"), s.c_str(), data, size);
-    else if (format == wxIPC_PRIVATE)
-    {
-        if (size == 3)
-        {
-            char *bytes = (char *)data;
-            wxLogMessage(_T("%s'%c%c%c',%d)"), s.c_str(), bytes[0], bytes[1], bytes[2], size);
-        }
-        else
-            wxLogMessage(_T("%s...,%d)"), s.c_str(), size);
-    }
-    else if (format == wxIPC_INVALID)
-        wxLogMessage(_T("%s[invalid data],%d)"), s.c_str(), size);
-}
-
-bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, wxChar *data,
-    int size, wxIPCFormat format)
+bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, const void *data,
+    size_t size, wxIPCFormat format)
 {
     Log(_T("OnAdvise"), topic, item, data, size, format);
     return true;
@@ -456,24 +429,24 @@ bool MyConnection::OnDisconnect()
     return true;
 }
 
-bool MyConnection::Execute(const wxChar *data, int size, wxIPCFormat format)
+bool MyConnection::DoExecute(const void *data, size_t size, wxIPCFormat format)
 {
-    Log(_T("Execute"), wxEmptyString, wxEmptyString, (wxChar *)data, size, format);
-    bool retval = wxConnection::Execute(data, size, format);
+    Log(_T("Execute"), wxEmptyString, wxEmptyString, data, size, format);
+    bool retval = wxConnection::DoExecute(data, size, format);
     if (!retval)
         wxLogMessage(_T("Execute failed!"));
     return retval;
 }
 
-wxChar *MyConnection::Request(const wxString& item, int *size, wxIPCFormat format)
+const void *MyConnection::Request(const wxString& item, size_t *size, wxIPCFormat format)
 {
-    wxChar *data =  wxConnection::Request(item, size, format);
-    Log(_T("Request"), wxEmptyString, item, data, size ? *size : -1, format);
+    const void *data =  wxConnection::Request(item, size, format);
+    Log(_T("Request"), wxEmptyString, item, data, size ? *size : wxNO_LEN, format);
     return data;
 }
 
-bool MyConnection::Poke(const wxString& item, wxChar *data, int size, wxIPCFormat format)
+bool MyConnection::DoPoke(const wxString& item, const void *data, size_t size, wxIPCFormat format)
 {
     Log(_T("Poke"), wxEmptyString, item, data, size, format);
-    return wxConnection::Poke(item, data, size, format);
+    return wxConnection::DoPoke(item, data, size, format);
 }