X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/47d67540a017101b3e46abe9ef0f55914d8de37e..26ac40202f84fd07c9f24885b4d36b34b9468f4d:/src/msw/dde.cpp

diff --git a/src/msw/dde.cpp b/src/msw/dde.cpp
index c46f04c233..d8fe4dfa5a 100644
--- a/src/msw/dde.cpp
+++ b/src/msw/dde.cpp
@@ -31,15 +31,19 @@
 #include "wx/app.h"
 #endif
 
-#include "wx/msw/private.h"
+#include "wx/module.h"
 #include "wx/dde.h"
 
+#include "wx/msw/private.h"
+#include <windows.h>
+#include <ddeml.h>
+
+#ifndef __TWIN32__
 #ifdef __GNUWIN32__
 #include "wx/msw/gnuwin32/extra.h"
 #endif
+#endif
 
-#include <windows.h>
-#include <ddeml.h>
 #include <string.h>
 
 #ifdef __WIN32__
@@ -118,6 +122,21 @@ void wxDDECleanUp()
     delete [] DDEDefaultIPCBuffer ;
 }
 
+// A module to allow DDE initialization/cleanup
+// without calling these functions from app.cpp or from
+// the user's application.
+
+class wxDDEModule: public wxModule
+{
+DECLARE_DYNAMIC_CLASS(wxDDEModule)
+public:
+    wxDDEModule() {}
+    bool OnInit() { wxDDEInitialize(); return TRUE; };
+    void OnExit() { wxDDECleanUp(); };
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxDDEModule, wxModule)
+
 // Global find connection
 static wxDDEConnection *DDEFindConnection(HCONV hConv)
 {
@@ -197,7 +216,7 @@ bool wxDDEServer::Create(const wxString& server_name)
   m_serviceName = server_name;
   HSZ serviceName = DdeCreateStringHandle(DDEIdInst, (char*) (const char *)server_name, CP_WINANSI);
 
-  if (DdeNameService(DDEIdInst, serviceName, NULL, DNS_REGISTER) == 0)
+  if (DdeNameService(DDEIdInst, serviceName, (HSZ) NULL, DNS_REGISTER) == 0)
   {
     DDEPrintError();
     return FALSE;
@@ -309,8 +328,8 @@ wxConnectionBase *wxDDEClient::MakeConnection(const wxString& /* host */, const
   HSZ topic_atom = DdeCreateStringHandle(DDEIdInst, (char*) (const char *)topic, CP_WINANSI);
 
   HCONV hConv = DdeConnect(DDEIdInst, serviceName, topic_atom, (PCONVCONTEXT)NULL);
-  if (hConv == NULL)
-    return NULL;
+  if (hConv == (HCONV) NULL)
+    return (wxConnectionBase*) NULL;
   else
   {
     wxDDEConnection *connection = (wxDDEConnection*) OnMakeConnection();
@@ -322,7 +341,7 @@ wxConnectionBase *wxDDEClient::MakeConnection(const wxString& /* host */, const
       m_connections.Append(connection);
       return connection;
     }
-    else return NULL;
+    else return (wxConnectionBase*) NULL;
   }
 }
 
@@ -420,7 +439,7 @@ bool wxDDEConnection::Disconnect(void)
   return (DdeDisconnect((HCONV) m_hConv) != 0);
 }
 
-bool wxDDEConnection::Execute(char *data, int size, wxDataFormat format)
+bool wxDDEConnection::Execute(char *data, int size, wxIPCFormat format)
 {
   DWORD result;
   if (size < 0)
@@ -432,7 +451,7 @@ bool wxDDEConnection::Execute(char *data, int size, wxDataFormat format)
     NULL, format, XTYP_EXECUTE, 5000, &result) ? TRUE : FALSE);
 }
 
-char *wxDDEConnection::Request(const wxString& item, int *size, wxDataFormat format)
+char *wxDDEConnection::Request(const wxString& item, int *size, wxIPCFormat format)
 {
   DWORD result;
   HSZ atom = DDEGetAtom(item);
@@ -452,7 +471,7 @@ char *wxDDEConnection::Request(const wxString& item, int *size, wxDataFormat for
   else return NULL;
 }
 
-bool wxDDEConnection::Poke(const wxString& item, char *data, int size, wxDataFormat format)
+bool wxDDEConnection::Poke(const wxString& item, char *data, int size, wxIPCFormat format)
 {
   DWORD result;
   if (size < 0)
@@ -484,7 +503,7 @@ bool wxDDEConnection::StopAdvise(const wxString& item)
 }
 
 // Calls that SERVER can make
-bool wxDDEConnection::Advise(const wxString& item, char *data, int size, wxDataFormat format)
+bool wxDDEConnection::Advise(const wxString& item, char *data, int size, wxIPCFormat format)
 {
   if (size < 0)
     size = strlen(data);
@@ -579,7 +598,7 @@ DWORD /* lData2 */)
       {
         DWORD len = DdeGetData(hData, (LPBYTE)(connection->m_bufPtr), connection->m_bufSize, 0);
         DdeFreeDataHandle(hData);
-        if (connection->OnExecute(connection->m_topicName, connection->m_bufPtr, (int)len, (wxDataFormat) wFmt))
+        if (connection->OnExecute(connection->m_topicName, connection->m_bufPtr, (int)len, (wxIPCFormat) wFmt))
           return (DDERETURN)DDE_FACK;
         else
           return (DDERETURN)DDE_FNOTPROCESSED;
@@ -598,7 +617,7 @@ DWORD /* lData2 */)
                      CP_WINANSI);
 
         int user_size = -1;
-        char *data = connection->OnRequest(connection->m_topicName, wxString(item_name), &user_size, (wxDataFormat) wFmt);
+        char *data = connection->OnRequest(connection->m_topicName, wxString(item_name), &user_size, (wxIPCFormat) wFmt);
         if (data)
         {
           if (user_size < 0) user_size = strlen(data);
@@ -622,7 +641,7 @@ DWORD /* lData2 */)
                      CP_WINANSI);
         DWORD len = DdeGetData(hData, (LPBYTE)(connection->m_bufPtr), connection->m_bufSize, 0);
         DdeFreeDataHandle(hData);
-        connection->OnPoke(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxDataFormat) wFmt);
+        connection->OnPoke(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxIPCFormat) wFmt);
         return (DDERETURN)DDE_FACK;
       } else return (DDERETURN)DDE_FNOTPROCESSED;
       break;
@@ -684,7 +703,7 @@ DWORD /* lData2 */)
 
         DWORD len = DdeGetData(hData, (LPBYTE)(connection->m_bufPtr), connection->m_bufSize, 0);
         DdeFreeDataHandle(hData);
-        if (connection->OnAdvise(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxDataFormat) wFmt))
+        if (connection->OnAdvise(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxIPCFormat) wFmt))
           return (DDERETURN)DDE_FACK;
         else
           return (DDERETURN)DDE_FNOTPROCESSED;
@@ -778,7 +797,7 @@ void DDEPrintError(void)
       err = "Unrecognised error type.";
       break;
   }
-  MessageBox(NULL, (LPCSTR)err, "DDE Error", MB_OK | MB_ICONINFORMATION);
+  MessageBox((HWND) NULL, (LPCSTR)err, "DDE Error", MB_OK | MB_ICONINFORMATION);
 }
 
 #endif