]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/dialup.cpp
Fix for GetValue
[wxWidgets.git] / src / msw / dialup.cpp
index 3c17c47e14fd2830f6d3d8f2911291cd97427ed7..3dae96970fc57d31ef1be302126446fac88c493c 100644 (file)
 
 #ifndef WX_PRECOMP
     #include "wx/log.h"
+    #include "wx/intl.h"
+    #include "wx/event.h"
 #endif
 
+#include "wx/timer.h"
+#include "wx/app.h"
+#include "wx/generic/choicdgg.h"
+
 #include "wx/dynlib.h"
+#include "wx/dialup.h"
+
+DEFINE_EVENT_TYPE(wxEVT_DIALUP_CONNECTED)
+DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
 
-#include "wx/net.h"
+// Doesn't yet compile under VC++ 4, BC++, Watcom C++: no wininet.h
+#if !defined(__BORLANDC__) && \
+    (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION(0, 5)) && \
+    !defined(__GNUWIN32_OLD__) && \
+    !defined(__WATCOMC__) && \
+    (!defined(__VISUALC__) || (__VISUALC__ >= 1020))
 
 #include <ras.h>
 #include <raserror.h>
 
-#include "wx/msw/private.h"
+#include <wininet.h>
+
+// Not in VC++ 5
+#ifndef INTERNET_CONNECTION_LAN
+#define INTERNET_CONNECTION_LAN 2
+#endif
+#ifndef INTERNET_CONNECTION_PROXY
+#define INTERNET_CONNECTION_PROXY 4
+#endif
 
 // ----------------------------------------------------------------------------
 // constants
@@ -51,6 +74,7 @@
 
 // this message is sent by the secondary thread when RAS status changes
 #define wxWM_RAS_STATUS_CHANGED (WM_USER + 10010)
+#define wxWM_RAS_DIALING_PROGRESS (WM_USER + 10011)
 
 // ----------------------------------------------------------------------------
 // types
 // startup because of the missing DLL...
 
 #ifndef UNICODE
-    typedef DWORD (* RASDIAL)( LPRASDIALEXTENSIONS, LPCSTR, LPRASDIALPARAMSA, DWORD, LPVOID, LPHRASCONN );
-    typedef DWORD (* RASENUMCONNECTIONS)( LPRASCONNA, LPDWORD, LPDWORD );
-    typedef DWORD (* RASENUMENTRIES)( LPCSTR, LPCSTR, LPRASENTRYNAMEA, LPDWORD, LPDWORD );
-    typedef DWORD (* RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSA );
-    typedef DWORD (* RASGETERRORSTRING)( UINT, LPSTR, DWORD );
-    typedef DWORD (* RASHANGUP)( HRASCONN );
-    typedef DWORD (* RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
-    typedef DWORD (* RASCREATEPHONEBOOKENTRY)( HWND, LPCSTR );
-    typedef DWORD (* RASEDITPHONEBOOKENTRY)( HWND, LPCSTR, LPCSTR );
-    typedef DWORD (* RASSETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, BOOL );
-    typedef DWORD (* RASGETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, LPBOOL );
-    typedef DWORD (* RASENUMDEVICES)( LPRASDEVINFOA, LPDWORD, LPDWORD );
-    typedef DWORD (* RASGETCOUNTRYINFO)( LPRASCTRYINFOA, LPDWORD );
-    typedef DWORD (* RASGETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, LPDWORD, LPBYTE, LPDWORD );
-    typedef DWORD (* RASSETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, DWORD, LPBYTE, DWORD );
-    typedef DWORD (* RASRENAMEENTRY)( LPCSTR, LPCSTR, LPCSTR );
-    typedef DWORD (* RASDELETEENTRY)( LPCSTR, LPCSTR );
-    typedef DWORD (* RASVALIDATEENTRYNAME)( LPCSTR, LPCSTR );
-    typedef DWORD (* RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
-
-    static const char gs_funcSuffix = 'A';
+    typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCSTR, LPRASDIALPARAMSA, DWORD, LPVOID, LPHRASCONN );
+    typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNA, LPDWORD, LPDWORD );
+    typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCSTR, LPCSTR, LPRASENTRYNAMEA, LPDWORD, LPDWORD );
+    typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSA );
+    typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPSTR, DWORD );
+    typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN );
+    typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
+    typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCSTR );
+    typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCSTR, LPCSTR );
+    typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, BOOL );
+    typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, LPBOOL );
+    typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOA, LPDWORD, LPDWORD );
+    typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOA, LPDWORD );
+    typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, LPDWORD, LPBYTE, LPDWORD );
+    typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, DWORD, LPBYTE, DWORD );
+    typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCSTR, LPCSTR, LPCSTR );
+    typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCSTR, LPCSTR );
+    typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCSTR, LPCSTR );
+    typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
+
+    static const wxChar gs_funcSuffix = _T('A');
 #else // Unicode
-    typedef DWORD (* RASDIAL)( LPRASDIALEXTENSIONS, LPCWSTR, LPRASDIALPARAMSW, DWORD, LPVOID, LPHRASCONN );
-    typedef DWORD (* RASENUMCONNECTIONS)( LPRASCONNW, LPDWORD, LPDWORD );
-    typedef DWORD (* RASENUMENTRIES)( LPCWSTR, LPCWSTR, LPRASENTRYNAMEW, LPDWORD, LPDWORD );
-    typedef DWORD (* RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSW );
-    typedef DWORD (* RASGETERRORSTRING)( UINT, LPWSTR, DWORD );
-    typedef DWORD (* RASHANGUP)( HRASCONN );
-    typedef DWORD (* RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
-    typedef DWORD (* RASCREATEPHONEBOOKENTRY)( HWND, LPCWSTR );
-    typedef DWORD (* RASEDITPHONEBOOKENTRY)( HWND, LPCWSTR, LPCWSTR );
-    typedef DWORD (* RASSETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, BOOL );
-    typedef DWORD (* RASGETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, LPBOOL );
-    typedef DWORD (* RASENUMDEVICES)( LPRASDEVINFOW, LPDWORD, LPDWORD );
-    typedef DWORD (* RASGETCOUNTRYINFO)( LPRASCTRYINFOW, LPDWORD );
-    typedef DWORD (* RASGETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, LPDWORD, LPBYTE, LPDWORD );
-    typedef DWORD (* RASSETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, DWORD, LPBYTE, DWORD );
-    typedef DWORD (* RASRENAMEENTRY)( LPCWSTR, LPCWSTR, LPCWSTR );
-    typedef DWORD (* RASDELETEENTRY)( LPCWSTR, LPCWSTR );
-    typedef DWORD (* RASVALIDATEENTRYNAME)( LPCWSTR, LPCWSTR );
-    typedef DWORD (* RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
-
-    static const char gs_funcSuffix = 'W';
+    typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCWSTR, LPRASDIALPARAMSW, DWORD, LPVOID, LPHRASCONN );
+    typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNW, LPDWORD, LPDWORD );
+    typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCWSTR, LPCWSTR, LPRASENTRYNAMEW, LPDWORD, LPDWORD );
+    typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSW );
+    typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPWSTR, DWORD );
+    typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN );
+    typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
+    typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCWSTR );
+    typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCWSTR, LPCWSTR );
+    typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, BOOL );
+    typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, LPBOOL );
+    typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOW, LPDWORD, LPDWORD );
+    typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOW, LPDWORD );
+    typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, LPDWORD, LPBYTE, LPDWORD );
+    typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, DWORD, LPBYTE, DWORD );
+    typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCWSTR, LPCWSTR, LPCWSTR );
+    typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCWSTR, LPCWSTR );
+    typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCWSTR, LPCWSTR );
+    typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
+
+    static const wxChar gs_funcSuffix = _T('W');
 #endif // ASCII/Unicode
 
 // structure passed to the secondary thread
-struct wxRasThreadData
+struct WXDLLEXPORT wxRasThreadData
 {
     wxRasThreadData()
     {
@@ -137,6 +161,7 @@ public:
 
     // implement base class pure virtuals
     virtual bool IsOk() const;
+    virtual size_t GetISPNames(wxArrayString& names) const;
     virtual bool Dial(const wxString& nameOfISP,
                       const wxString& username,
                       const wxString& password,
@@ -144,6 +169,7 @@ public:
     virtual bool IsDialing() const;
     virtual bool CancelDialing();
     virtual bool HangUp();
+    virtual bool IsAlwaysOnline() const;
     virtual bool IsOnline() const;
     virtual void SetOnlineStatus(bool isOnline = TRUE);
     virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds);
@@ -157,9 +183,10 @@ public:
 
     // for wxRasStatusWindowProc
     void OnConnectStatusChange();
+    void OnDialProgress(RASCONNSTATE rasconnstate, DWORD dwError);
 
     // for wxRasDialFunc
-    void OnDialProgress(RASCONNSTATE rasconnstate, DWORD dwError);
+    static HWND GetRasWindow() { return ms_hwndRas; }
     static wxDialUpManagerMSW *GetDialer() { return ms_dialer; }
 
 private:
@@ -176,7 +203,7 @@ private:
     void CleanUpThreadData();
 
     // timer used for polling RAS status
-    class RasTimer : public wxTimer
+    class WXDLLEXPORT RasTimer : public wxTimer
     {
     public:
         RasTimer(wxDialUpManagerMSW *dialUpManager)
@@ -195,14 +222,20 @@ private:
     // each other
     wxRasThreadData m_data;
 
+    // the handle of rasapi32.dll when it's loaded
+    wxPluginManager m_dllRas;
+
+    // the hidden window we use for passing messages between threads
+    static HWND ms_hwndRas;
+
     // the handle of the connection we initiated or 0 if none
     static HRASCONN ms_hRasConnection;
 
-    // the use count of rasapi32.dll
-    static int ms_nDllCount;
-
-    // the handle of rasapi32.dll when it's loaded
-    static wxDllType ms_dllRas;
+    // FIXME: There is probably no reason these really need to
+    //        be static anymore since the dll refcounting is
+    //        handled by wxPluginManager now.  Whether or not
+    //        we still _want_ them to be static is another
+    //        issue entirely..
 
     // the pointers to RAS functions
     static RASDIAL ms_pfnRasDial;
@@ -233,6 +266,10 @@ private:
     // this flag tells us if we're online
     static int ms_isConnected;
 
+    // this flag is the result of the call to IsAlwaysOnline() (-1 if not
+    // called yet)
+    static int ms_isAlwaysOnline;
+
     // this flag tells us whether a call to RasDial() is in progress
     static wxDialUpManagerMSW *ms_dialer;
 };
@@ -260,8 +297,7 @@ static void WINAPI wxRasDialFunc(UINT unMsg,
 
 HRASCONN wxDialUpManagerMSW::ms_hRasConnection = 0;
 
-int wxDialUpManagerMSW::ms_nDllCount = 0;
-wxDllType wxDialUpManagerMSW::ms_dllRas = 0;
+HWND wxDialUpManagerMSW::ms_hwndRas = 0;
 
 RASDIAL wxDialUpManagerMSW::ms_pfnRasDial = 0;
 RASENUMCONNECTIONS wxDialUpManagerMSW::ms_pfnRasEnumConnections = 0;
@@ -285,6 +321,7 @@ RASCONNECTIONNOTIFICATION wxDialUpManagerMSW::ms_pfnRasConnectionNotification =
 
 int wxDialUpManagerMSW::ms_userSpecifiedOnlineStatus = -1;
 int wxDialUpManagerMSW::ms_isConnected = -1;
+int wxDialUpManagerMSW::ms_isAlwaysOnline = -1;
 wxDialUpManagerMSW *wxDialUpManagerMSW::ms_dialer = NULL;
 
 // ----------------------------------------------------------------------------
@@ -304,89 +341,80 @@ wxDialUpManager *wxDialUpManager::Create()
 
 wxDialUpManagerMSW::wxDialUpManagerMSW()
                   : m_timerStatusPolling(this)
+                  , m_dllRas(_T("RASAPI32"))
 {
     // initialize our data
     m_hThread = 0;
 
-    if ( !ms_nDllCount++ )
+    if ( !m_dllRas.IsLoaded() )
+    {
+        wxLogError(_("Dial up functions are unavailable because the remote access service (RAS) is not installed on this machine. Please install it."));
+    }
+    else if ( !ms_pfnRasDial )
     {
-        // load the RAS library
-        ms_dllRas = wxDllLoader::LoadLibrary("RASAPI32");
-        if ( !ms_dllRas )
+        // resolve the functions we need
+
+        // this will contain the name of the function we failed to resolve
+        // if any at the end
+        const char *funcName = NULL;
+
+        // get the function from rasapi32.dll and abort if it's not found
+        #define RESOLVE_RAS_FUNCTION(type, name)                          \
+            ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(_T(#name))  \
+                                                     + gs_funcSuffix);    \
+            if ( !ms_pfn##name )                                          \
+            {                                                             \
+                funcName = #name;                                         \
+                goto exit;                                                \
+            }
+
+        // a variant of above macro which doesn't abort if the function is
+        // not found in the DLL
+        #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name)                 \
+            ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(_T(#name))  \
+                                                     + gs_funcSuffix);
+
+        RESOLVE_RAS_FUNCTION(RASDIAL, RasDial);
+        RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections);
+        RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries);
+        RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus);
+        RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString);
+        RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp);
+        RESOLVE_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams);
+
+        // suppress error messages about missing (non essential) functions
         {
-            wxLogError(_("Dial up functions are unavailable because the "
-                         "remote access service (RAS) is not installed "
-                         "on this machine. Please install it."));
+            wxLogNull noLog;
+
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices);
+            RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification);
         }
-        else
-        {
-            // resolve the functions we need
-
-            // this will contain the name of the function we failed to resolve
-            // if any at the end
-            const char *funcName = NULL;
-
-            // get the function from rasapi32.dll and abort if it's not found
-            #define RESOLVE_RAS_FUNCTION(type, name)                    \
-                ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas,  \
-                               wxString(#name) + gs_funcSuffix);        \
-                if ( !ms_pfn##name )                                    \
-                {                                                       \
-                    funcName = #name;                                   \
-                    goto exit;                                          \
-                }
-
-            // a variant of above macro which doesn't abort if the function is
-            // not found in the DLL
-            #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name)           \
-                ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas,  \
-                               wxString(#name) + gs_funcSuffix);
-
-            RESOLVE_RAS_FUNCTION(RASDIAL, RasDial);
-            RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections);
-            RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries);
-            RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus);
-            RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString);
-            RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp);
-
-            // suppress wxDllLoader messages about missing (non essential)
-            // functions
-            {
-                wxLogNull noLog;
-
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices);
-                RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification);
-            }
 
-            // keep your preprocessor name space clean
-            #undef RESOLVE_RAS_FUNCTION
-            #undef RESOLVE_OPTIONAL_RAS_FUNCTION
+        // keep your preprocessor name space clean
+        #undef RESOLVE_RAS_FUNCTION
+        #undef RESOLVE_OPTIONAL_RAS_FUNCTION
 
 exit:
-            if ( funcName )
-            {
-                wxLogError(_("The version of remote access service (RAS) "
-                             "installed on this machine is too old, please "
-                             "upgrade (the following required function is "
-                             "missing: %s)."), funcName);
-
-                wxDllLoader::UnloadLibrary(ms_dllRas);
-                ms_dllRas = 0;
-                ms_nDllCount = 0;
-
-                return;
-            }
+        if ( funcName )
+        {
+            static const wxChar *msg = wxTRANSLATE(
+"The version of remote access service (RAS) installed on this machine is too\
+old, please upgrade (the following required function is missing: %s)."
+                                                   );
+
+            wxLogError(wxGetTranslation(msg), funcName);
+            m_dllRas.Unload();
+            return;
         }
     }
 
@@ -397,13 +425,6 @@ exit:
 wxDialUpManagerMSW::~wxDialUpManagerMSW()
 {
     CleanUpThreadData();
-
-    if ( !--ms_nDllCount )
-    {
-        // unload the RAS library
-        wxDllLoader::UnloadLibrary(ms_dllRas);
-        ms_dllRas = 0;
-    }
 }
 
 // ----------------------------------------------------------------------------
@@ -422,8 +443,8 @@ wxString wxDialUpManagerMSW::GetErrorString(DWORD error)
 
         default:
             {
-                wxLogSysError(dwRet, _("Failed to retrieve text of RAS "
-                                       "error message"));
+                wxLogSysError(dwRet,
+                      _("Failed to retrieve text of RAS error message"));
 
                 wxString msg;
                 msg.Printf(_("unknown error (error code %08x)."), error);
@@ -479,7 +500,7 @@ HRASCONN wxDialUpManagerMSW::FindActiveConnection()
         {
             // an error occured
             wxLogError(_("Cannot find active dialup connection: %s"),
-                       GetErrorString(dwRet));
+                       GetErrorString(dwRet).c_str());
             return 0;
         }
     }
@@ -499,8 +520,7 @@ HRASCONN wxDialUpManagerMSW::FindActiveConnection()
             // connection) - the warning is really needed because this function
             // is used, for example, to select the connection to hang up and so
             // we may hang up the wrong connection here...
-            wxLogWarning(_("Several active dialup connections found, "
-                           "choosing one randomly."));
+            wxLogWarning(_("Several active dialup connections found, choosing one randomly."));
             // fall through
 
         case 1:
@@ -519,7 +539,7 @@ void wxDialUpManagerMSW::CleanUpThreadData()
     {
         if ( !SetEvent(m_data.hEventQuit) )
         {
-            wxLogLastError("SetEvent(RasThreadQuit)");
+            wxLogLastError(_T("SetEvent(RasThreadQuit)"));
         }
 
         CloseHandle(m_hThread);
@@ -601,7 +621,7 @@ void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate,
     if ( dwError )
     {
         wxLogError(_("Failed to establish dialup connection: %s"),
-                   GetErrorString(dwError));
+                   GetErrorString(dwError).c_str());
 
         // we should still call RasHangUp() if we got a non 0 connection
         if ( ms_hRasConnection )
@@ -629,7 +649,58 @@ void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate,
 
 bool wxDialUpManagerMSW::IsOk() const
 {
-    return ms_dllRas != 0;
+    return m_dllRas.IsLoaded();
+}
+
+size_t wxDialUpManagerMSW::GetISPNames(wxArrayString& names) const
+{
+    // fetch the entries
+    DWORD size = sizeof(RASENTRYNAME);
+    RASENTRYNAME *rasEntries = (RASENTRYNAME *)malloc(size);
+    rasEntries->dwSize = sizeof(RASENTRYNAME);
+
+    DWORD nEntries;
+    DWORD dwRet;
+    do
+    {
+        dwRet = ms_pfnRasEnumEntries
+                  (
+                   NULL,                // reserved
+                   NULL,                // default phone book (or all)
+                   rasEntries,          // [out] buffer for the entries
+                   &size,               // [in/out] size of the buffer
+                   &nEntries            // [out] number of entries fetched
+                  );
+
+        if ( dwRet == ERROR_BUFFER_TOO_SMALL )
+        {
+            // reallocate the buffer
+            rasEntries = (RASENTRYNAME *)realloc(rasEntries, size);
+        }
+        else if ( dwRet != 0 )
+        {
+            // some other error - abort
+            wxLogError(_("Failed to get ISP names: %s"),
+                       GetErrorString(dwRet).c_str());
+
+            free(rasEntries);
+
+            return 0u;
+        }
+    }
+    while ( dwRet != 0 );
+
+    // process them
+    names.Empty();
+    for ( size_t n = 0; n < (size_t)nEntries; n++ )
+    {
+        names.Add(rasEntries[n].szEntryName);
+    }
+
+    free(rasEntries);
+
+    // return the number of entries
+    return names.GetCount();
 }
 
 bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
@@ -637,25 +708,96 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
                               const wxString& password,
                               bool async)
 {
-    wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") );
+    // check preconditions
+    wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
 
     if ( ms_hRasConnection )
     {
-        wxFAIL_MSG(_T("there is already an active connection"));
+        wxFAIL_MSG(wxT("there is already an active connection"));
 
         return TRUE;
     }
 
+    // get the default ISP if none given
+    wxString entryName(nameOfISP);
+    if ( !entryName )
+    {
+        wxArrayString names;
+        size_t count = GetISPNames(names);
+        switch ( count )
+        {
+            case 0:
+                // no known ISPs, abort
+                wxLogError(_("Failed to connect: no ISP to dial."));
+
+                return FALSE;
+
+            case 1:
+                // only one ISP, choose it
+                entryName = names[0u];
+                break;
+
+            default:
+                // several ISPs, let the user choose
+                {
+                    wxString *strings = new wxString[count];
+                    for ( size_t i = 0; i < count; i++ )
+                    {
+                        strings[i] = names[i];
+                    }
+
+                    entryName = wxGetSingleChoice
+                                (
+                                 _("Choose ISP to dial"),
+                                 _("Please choose which ISP do you want to connect to"),
+                                 count,
+                                 strings
+                                );
+
+                    delete [] strings;
+
+                    if ( !entryName )
+                    {
+                        // cancelled by user
+                        return FALSE;
+                    }
+                }
+        }
+    }
+
     RASDIALPARAMS rasDialParams;
     rasDialParams.dwSize = sizeof(rasDialParams);
-    strncpy(rasDialParams.szEntryName, nameOfISP, RAS_MaxEntryName);
+    wxStrncpy(rasDialParams.szEntryName, entryName, RAS_MaxEntryName);
+
+    // do we have the username and password?
+    if ( !username || !password )
+    {
+        BOOL gotPassword;
+        DWORD dwRet = ms_pfnRasGetEntryDialParams
+                      (
+                       NULL,            // default phonebook
+                       &rasDialParams,  // [in/out] the params of this entry
+                       &gotPassword     // [out] did we get password?
+                      );
+
+        if ( dwRet != 0 )
+        {
+            wxLogError(_("Failed to connect: missing username/password."));
+
+            return FALSE;
+        }
+    }
+    else
+    {
+        wxStrncpy(rasDialParams.szUserName, username, UNLEN);
+        wxStrncpy(rasDialParams.szPassword, password, PWLEN);
+    }
+
+    // default values for other fields
     rasDialParams.szPhoneNumber[0] = '\0';
     rasDialParams.szCallbackNumber[0] = '\0';
     rasDialParams.szCallbackNumber[0] = '\0';
 
-    strncpy(rasDialParams.szUserName, username, UNLEN);
-    strncpy(rasDialParams.szPassword, password, PWLEN);
-
     rasDialParams.szDomain[0] = '*';
     rasDialParams.szDomain[1] = '\0';
 
@@ -688,20 +830,21 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
 
     DWORD dwRet = ms_pfnRasDial
                   (
-                   (LPRASDIALEXTENSIONS)NULL,   // no extended features
-                   NULL,                  // default phone book file (NT only)
+                   NULL,                    // no extended features
+                   NULL,                    // default phone book file (NT only)
                    &rasDialParams,
-                   0,                     // use callback for notifications
-                   async ? wxRasDialFunc  // the callback
-                         : 0,             // no notifications - sync operation
+                   0,                       // use callback for notifications
+                   async ? (void *)wxRasDialFunc  // cast needed for gcc 3.1
+                         : 0,               // no notifications, sync operation
                    &ms_hRasConnection
                   );
 
     if ( dwRet != 0 )
     {
+        // can't pass a wxWCharBuffer through ( ... )
         wxLogError(_("Failed to %s dialup connection: %s"),
-                   async ? _("initiate") : _("establish"),
-                   GetErrorString(dwRet));
+                   wxString(async ? _("initiate") : _("establish")).c_str(),
+                   GetErrorString(dwRet).c_str());
 
         // we should still call RasHangUp() if we got a non 0 connection
         if ( ms_hRasConnection )
@@ -737,7 +880,7 @@ bool wxDialUpManagerMSW::CancelDialing()
         return FALSE;
     }
 
-    wxASSERT_MSG( ms_hRasConnection, _T("dialing but no connection?") );
+    wxASSERT_MSG( ms_hRasConnection, wxT("dialing but no connection?") );
 
     ms_dialer = NULL;
 
@@ -746,7 +889,7 @@ bool wxDialUpManagerMSW::CancelDialing()
 
 bool wxDialUpManagerMSW::HangUp()
 {
-    wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") );
+    wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
 
     // we may terminate either the connection we initiated or another one which
     // is active now
@@ -773,7 +916,7 @@ bool wxDialUpManagerMSW::HangUp()
     if ( dwRet != 0 )
     {
         wxLogError(_("Failed to terminate the dialup connection: %s"),
-                   GetErrorString(dwRet));
+                   GetErrorString(dwRet).c_str());
     }
 
     ms_isConnected = FALSE;
@@ -781,9 +924,76 @@ bool wxDialUpManagerMSW::HangUp()
     return TRUE;
 }
 
+bool wxDialUpManagerMSW::IsAlwaysOnline() const
+{
+    // we cache the result (presumably this won't change while the program is
+    // running!)
+    if ( ms_isAlwaysOnline != -1 )
+    {
+        return ms_isAlwaysOnline != 0;
+    }
+
+    // try to use WinInet function first
+
+    // NB: we could probably use wxDynamicLibrary here just as well,
+    //     but we allow multiple instances of wxDialUpManagerMSW so
+    //     we might as well use the ref counted version here too.
+
+    wxPluginManager hDll(_T("WININET"));
+    if ( hDll.IsLoaded() )
+    {
+        typedef BOOL (WINAPI *INTERNETGETCONNECTEDSTATE)(LPDWORD, DWORD);
+        INTERNETGETCONNECTEDSTATE pfnInternetGetConnectedState;
+
+        #define RESOLVE_FUNCTION(type, name) \
+            pfn##name = (type)hDll.GetSymbol(_T(#name))
+
+        RESOLVE_FUNCTION(INTERNETGETCONNECTEDSTATE, InternetGetConnectedState);
+
+        if ( pfnInternetGetConnectedState )
+        {
+            DWORD flags = 0;
+            if ( pfnInternetGetConnectedState(&flags, 0 /* reserved */) )
+            {
+                // there is some connection to the net, see of which type
+                ms_isAlwaysOnline = ((flags & INTERNET_CONNECTION_LAN) != 0)
+                                    || ((flags & INTERNET_CONNECTION_PROXY) != 0);
+            }
+            else
+            {
+                // no Internet connection at all
+                ms_isAlwaysOnline = FALSE;
+            }
+        }
+    }
+
+    // did we succeed with WinInet? if not, try something else
+    if ( ms_isAlwaysOnline == -1 )
+    {
+        if ( !IsOnline() )
+        {
+            // definitely no permanent connection because we are not connected
+            // now
+            ms_isAlwaysOnline = FALSE;
+        }
+        else
+        {
+            // of course, having a modem doesn't prevent us from having a
+            // permanent connection as well, but we have to guess somehow and
+            // it's probably more common that a system connected via a modem
+            // doesn't have any other net access, so:
+            ms_isAlwaysOnline = FALSE;
+        }
+    }
+
+    wxASSERT_MSG( ms_isAlwaysOnline != -1, wxT("logic error") );
+
+    return ms_isAlwaysOnline != 0;
+}
+
 bool wxDialUpManagerMSW::IsOnline() const
 {
-    wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") );
+    wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
 
     if ( ms_userSpecifiedOnlineStatus != -1 )
     {
@@ -799,14 +1009,14 @@ bool wxDialUpManagerMSW::IsOnline() const
 
 void wxDialUpManagerMSW::SetOnlineStatus(bool isOnline)
 {
-    wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") );
+    wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
 
     ms_userSpecifiedOnlineStatus = isOnline;
 }
 
 bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 {
-    wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") );
+    wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
 
     bool ok = ms_pfnRasConnectionNotification != 0;
 
@@ -824,7 +1034,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
                 dwSuspendCount = ResumeThread(m_hThread);
                 if ( dwSuspendCount == (DWORD)-1 )
                 {
-                    wxLogLastError("ResumeThread(RasThread)");
+                    wxLogLastError(wxT("ResumeThread(RasThread)"));
 
                     ok = FALSE;
                 }
@@ -852,7 +1062,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
                            );
         if ( !m_data.hEventRas )
         {
-            wxLogLastError("CreateEvent(RasStatus)");
+            wxLogLastError(wxT("CreateEvent(RasStatus)"));
 
             ok = FALSE;
         }
@@ -864,7 +1074,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
         m_data.hEventQuit = CreateEvent(NULL, FALSE, FALSE, NULL);
         if ( !m_data.hEventQuit )
         {
-            wxLogLastError("CreateEvent(RasThreadQuit)");
+            wxLogLastError(wxT("CreateEvent(RasThreadQuit)"));
 
             CleanUpThreadData();
 
@@ -872,18 +1082,18 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
         }
     }
 
-    if ( ok )
+    if ( ok && !ms_hwndRas )
     {
         // create a hidden window to receive notification about connections
         // status change
-        extern wxChar wxPanelClassName[];
-        m_data.hWnd = ::CreateWindow(wxPanelClassName, NULL,
-                                     0, 0, 0, 0,
-                                     0, NULL,
-                                     (HMENU)NULL, wxGetInstance(), 0);
-        if ( !m_data.hWnd )
+        extern const wxChar *wxCanvasClassName;
+        ms_hwndRas = ::CreateWindow(wxCanvasClassName, NULL,
+                                    0, 0, 0, 0,
+                                    0, NULL,
+                                    (HMENU)NULL, wxGetInstance(), 0);
+        if ( !ms_hwndRas )
         {
-            wxLogLastError("CreateWindow(RasHiddenWindow)");
+            wxLogLastError(wxT("CreateWindow(RasHiddenWindow)"));
 
             CleanUpThreadData();
 
@@ -897,9 +1107,11 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
                               wxGetInstance()
                              );
 
-        ::SetWindowLong(m_data.hWnd, GWL_WNDPROC, (LONG) windowProc);
+        ::SetWindowLong(ms_hwndRas, GWL_WNDPROC, (LONG) windowProc);
     }
 
+    m_data.hWnd = ms_hwndRas;
+
     if ( ok )
     {
         // start the secondary thread
@@ -918,7 +1130,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 
         if ( !m_hThread )
         {
-            wxLogLastError("CreateThread(RasStatusThread)");
+            wxLogLastError(wxT("CreateThread(RasStatusThread)"));
 
             CleanUpThreadData();
         }
@@ -936,8 +1148,8 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 
         if ( dwRet != 0 )
         {
-            wxLogDebug(_T("RasConnectionNotification() failed: %s"),
-                       GetErrorString(dwRet));
+            wxLogDebug(wxT("RasConnectionNotification() failed: %s"),
+                       GetErrorString(dwRet).c_str());
 
             CleanUpThreadData();
         }
@@ -962,14 +1174,14 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 
 void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus()
 {
-    wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") );
+    wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
 
     if ( m_hThread )
     {
         // we have running secondary thread, it's just enough to suspend it
         if ( SuspendThread(m_hThread) == (DWORD)-1 )
         {
-            wxLogLastError("SuspendThread(RasThread)");
+            wxLogLastError(wxT("SuspendThread(RasThread)"));
         }
     }
     else
@@ -986,7 +1198,7 @@ void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus()
 void wxDialUpManagerMSW::SetWellKnownHost(const wxString& WXUNUSED(hostname),
                                           int WXUNUSED(port))
 {
-    wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") );
+    wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
 
     // nothing to do - we don't use this
 }
@@ -994,7 +1206,7 @@ void wxDialUpManagerMSW::SetWellKnownHost(const wxString& WXUNUSED(hostname),
 void wxDialUpManagerMSW::SetConnectCommand(const wxString& WXUNUSED(dial),
                                            const wxString& WXUNUSED(hangup))
 {
-    wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") );
+    wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
 
     // nothing to do - we don't use this
 }
@@ -1027,7 +1239,7 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data)
                 break;
 
             case WAIT_FAILED:
-                wxLogLastError("WaitForMultipleObjects(RasMonitor)");
+                wxLogLastError(wxT("WaitForMultipleObjects(RasMonitor)"));
                 break;
         }
     }
@@ -1038,10 +1250,25 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data)
 static LRESULT APIENTRY wxRasStatusWindowProc(HWND hWnd, UINT message,
                                               WPARAM wParam, LPARAM lParam)
 {
-    if ( message == wxWM_RAS_STATUS_CHANGED )
+    switch ( message )
     {
-        wxRasThreadData *data = (wxRasThreadData *)lParam;
-        data->dialUpManager->OnConnectStatusChange();
+        case wxWM_RAS_STATUS_CHANGED:
+            {
+                wxRasThreadData *data = (wxRasThreadData *)lParam;
+                data->dialUpManager->OnConnectStatusChange();
+            }
+            break;
+
+        case wxWM_RAS_DIALING_PROGRESS:
+            {
+                wxDialUpManagerMSW *dialMan = wxDialUpManagerMSW::GetDialer();
+
+                dialMan->OnDialProgress((RASCONNSTATE)wParam, lParam);
+            }
+            break;
+
+        default:
+            return ::DefWindowProc(hWnd, message, wParam, lParam);
     }
 
     return 0;
@@ -1053,9 +1280,13 @@ static void WINAPI wxRasDialFunc(UINT unMsg,
 {
     wxDialUpManagerMSW *dialUpManager = wxDialUpManagerMSW::GetDialer();
 
-    wxCHECK_RET( dialUpManager, _T("who started to dial then?") );
+    wxCHECK_RET( dialUpManager, wxT("who started to dial then?") );
 
-    dialUpManager->OnDialProgress(rasconnstate, dwError);
+    SendMessage(dialUpManager->GetRasWindow(), wxWM_RAS_DIALING_PROGRESS,
+                rasconnstate, dwError);
 }
 
+#endif // __BORLANDC__
+
 #endif // wxUSE_DIALUP_MANAGER
+