]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/dialup.cpp
Implement undo and redo for the ie and gtk webkit backends. Extend the sample to...
[wxWidgets.git] / src / msw / dialup.cpp
index 04ee582b81f23c26f6ed95e24b22dd2b770d4563..7b536c9e9e9d83cc3af01965a2388d442932d360 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/dialup.cpp
+// Name:        src/msw/dialup.cpp
 // Purpose:     MSW implementation of network/dialup classes and functions
 // Author:      Vadim Zeitlin
 // Modified by:
 
 #if wxUSE_DIALUP_MANAGER
 
+#include "wx/dialup.h"
+
 #ifndef WX_PRECOMP
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/event.h"
+    #include "wx/app.h"
+    #include "wx/timer.h"
+    #include "wx/module.h"
 #endif
 
-#include "wx/timer.h"
-#include "wx/app.h"
 #include "wx/generic/choicdgg.h"
 
+#include "wx/msw/private.h"
 #include "wx/dynlib.h"
-#include "wx/dialup.h"
 
-DEFINE_EVENT_TYPE(wxEVT_DIALUP_CONNECTED)
-DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
+wxDEFINE_EVENT( wxEVT_DIALUP_CONNECTED, wxDialUpEvent );
+wxDEFINE_EVENT( wxEVT_DIALUP_DISCONNECTED, wxDialUpEvent );
 
 // Doesn't yet compile under VC++ 4, BC++, Watcom C++,
 // Wine: no wininet.h
@@ -63,6 +66,14 @@ DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
 #define INTERNET_CONNECTION_PROXY 4
 #endif
 
+// implemented in utils.cpp
+extern "C" WXDLLIMPEXP_BASE HWND
+wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc);
+
+static const wxChar *
+    wxMSWDIALUP_WNDCLASSNAME = wxT("_wxDialUpManager_Internal_Class");
+static const wxChar *gs_classForDialUpWindow = NULL;
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -101,7 +112,7 @@ DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
     typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCSTR, LPCSTR );
     typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
 
-    static const wxChar gs_funcSuffix = _T('A');
+    static const wxChar gs_funcSuffix = wxT('A');
 #else // Unicode
     typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCWSTR, LPRASDIALPARAMSW, DWORD, LPVOID, LPHRASCONN );
     typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNW, LPDWORD, LPDWORD );
@@ -123,7 +134,7 @@ DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
     typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCWSTR, LPCWSTR );
     typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
 
-    static const wxChar gs_funcSuffix = _T('W');
+    static const wxChar gs_funcSuffix = wxT('W');
 #endif // ASCII/Unicode
 
 // structure passed to the secondary thread
@@ -153,7 +164,7 @@ struct WXDLLEXPORT wxRasThreadData
     HANDLE  hEventRas,  // automatic event which RAS signals when status changes
             hEventQuit; // manual event which we signal when we terminate
 
-    class WXDLLEXPORT wxDialUpManagerMSW *dialUpManager;  // the owner
+    class WXDLLIMPEXP_FWD_CORE wxDialUpManagerMSW *dialUpManager;  // the owner
 };
 
 // ----------------------------------------------------------------------------
@@ -195,6 +206,7 @@ public:
 
     // for wxRasDialFunc
     static HWND GetRasWindow() { return ms_hwndRas; }
+    static void ResetRasWindow() { ms_hwndRas = NULL; }
     static wxDialUpManagerMSW *GetDialer() { return ms_dialer; }
 
 private:
@@ -226,7 +238,7 @@ private:
     private:
         wxDialUpManagerMSW *m_dialUpManager;
 
-        DECLARE_NO_COPY_CLASS(RasTimer)
+        wxDECLARE_NO_COPY_CLASS(RasTimer);
     } m_timerStatusPolling;
 
     // thread handle for the thread sitting on connection change event
@@ -277,9 +289,36 @@ private:
     // this flag tells us whether a call to RasDial() is in progress
     static wxDialUpManagerMSW *ms_dialer;
 
-    DECLARE_NO_COPY_CLASS(wxDialUpManagerMSW)
+    wxDECLARE_NO_COPY_CLASS(wxDialUpManagerMSW);
+};
+
+// module to destroy helper window created by wxDialUpManagerMSW
+class wxDialUpManagerModule : public wxModule
+{
+public:
+    bool OnInit() { return true; }
+    void OnExit()
+    {
+        HWND hwnd = wxDialUpManagerMSW::GetRasWindow();
+        if ( hwnd )
+        {
+            ::DestroyWindow(hwnd);
+            wxDialUpManagerMSW::ResetRasWindow();
+        }
+
+        if ( gs_classForDialUpWindow )
+        {
+            ::UnregisterClass(wxMSWDIALUP_WNDCLASSNAME, wxGetInstance());
+            gs_classForDialUpWindow = NULL;
+        }
+    }
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxDialUpManagerModule)
 };
 
+IMPLEMENT_DYNAMIC_CLASS(wxDialUpManagerModule, wxModule)
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -346,7 +385,7 @@ wxDialUpManager *wxDialUpManager::Create()
 
 wxDialUpManagerMSW::wxDialUpManagerMSW()
                   : m_timerStatusPolling(this),
-                    m_dllRas(_T("RASAPI32"))
+                    m_dllRas(wxT("RASAPI32"))
 {
     // initialize our data
     m_autoCheckLevel = 0;
@@ -367,7 +406,7 @@ wxDialUpManagerMSW::wxDialUpManagerMSW()
 
         // 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))  \
+            ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(wxT(#name))  \
                                                      + gs_funcSuffix);    \
             if ( !ms_pfn##name )                                          \
             {                                                             \
@@ -378,7 +417,7 @@ wxDialUpManagerMSW::wxDialUpManagerMSW()
         // 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))  \
+            ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(wxT(#name))  \
                                                      + gs_funcSuffix);
 
         RESOLVE_RAS_FUNCTION(RASDIAL, RasDial);
@@ -414,12 +453,10 @@ wxDialUpManagerMSW::wxDialUpManagerMSW()
 exit:
         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);
+            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);
             m_dllRas.Unload();
             return;
         }
@@ -505,7 +542,7 @@ HRASCONN wxDialUpManagerMSW::FindActiveConnection()
         }
         else
         {
-            // an error occured
+            // an error occurred
             wxLogError(_("Cannot find active dialup connection: %s"),
                        GetErrorString(dwRet).c_str());
             return 0;
@@ -546,7 +583,7 @@ void wxDialUpManagerMSW::CleanUpThreadData()
     {
         if ( !SetEvent(m_data->hEventQuit) )
         {
-            wxLogLastError(_T("SetEvent(RasThreadQuit)"));
+            wxLogLastError(wxT("SetEvent(RasThreadQuit)"));
         }
         else // sent quit request to the background thread
         {
@@ -560,11 +597,7 @@ void wxDialUpManagerMSW::CleanUpThreadData()
         m_hThread = 0;
     }
 
-    if ( m_data )
-    {
-        delete m_data;
-        m_data = NULL;
-    }
+    wxDELETE(m_data);
 }
 
 // ----------------------------------------------------------------------------
@@ -673,7 +706,13 @@ size_t wxDialUpManagerMSW::GetISPNames(wxArrayString& names) const
         if ( dwRet == ERROR_BUFFER_TOO_SMALL )
         {
             // reallocate the buffer
-            rasEntries = (RASENTRYNAME *)realloc(rasEntries, size);
+            void *n  = realloc(rasEntries, size);
+            if (n == NULL)
+            {
+                free(rasEntries);
+                return 0;
+            }
+            rasEntries = (RASENTRYNAME *)n;
         }
         else if ( dwRet != 0 )
         {
@@ -765,7 +804,7 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
 
     RASDIALPARAMS rasDialParams;
     rasDialParams.dwSize = sizeof(rasDialParams);
-    wxStrncpy(rasDialParams.szEntryName, entryName, RAS_MaxEntryName);
+    wxStrlcpy(rasDialParams.szEntryName, entryName.c_str(), RAS_MaxEntryName);
 
     // do we have the username and password?
     if ( !username || !password )
@@ -787,8 +826,8 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
     }
     else
     {
-        wxStrncpy(rasDialParams.szUserName, username, UNLEN);
-        wxStrncpy(rasDialParams.szPassword, password, PWLEN);
+        wxStrlcpy(rasDialParams.szUserName, username.c_str(), UNLEN);
+        wxStrlcpy(rasDialParams.szPassword, password.c_str(), PWLEN);
     }
 
     // default values for other fields
@@ -840,9 +879,16 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
     if ( dwRet != 0 )
     {
         // can't pass a wxWCharBuffer through ( ... )
-        wxLogError(_("Failed to %s dialup connection: %s"),
-                   wxString(async ? _("initiate") : _("establish")).c_str(),
-                   GetErrorString(dwRet).c_str());
+        if ( async )
+        {
+            wxLogError(_("Failed to initiate dialup connection: %s"),
+                       GetErrorString(dwRet).c_str());
+        }
+        else
+        {
+            wxLogError(_("Failed to establish dialup connection: %s"),
+                       GetErrorString(dwRet).c_str());
+        }
 
         // we should still call RasHangUp() if we got a non 0 connection
         if ( ms_hRasConnection )
@@ -910,8 +956,10 @@ bool wxDialUpManagerMSW::HangUp()
         return false;
     }
 
-    DWORD dwRet = ms_pfnRasHangUp(hRasConn);
-    if ( dwRet != 0 )
+    // note that it's not an error if the connection had been already
+    // terminated
+    const DWORD dwRet = ms_pfnRasHangUp(hRasConn);
+    if ( dwRet != 0 && dwRet != ERROR_NO_CONNECTION )
     {
         wxLogError(_("Failed to terminate the dialup connection: %s"),
                    GetErrorString(dwRet).c_str());
@@ -933,14 +981,14 @@ bool wxDialUpManagerMSW::IsAlwaysOnline() const
     //     but we allow multiple instances of wxDialUpManagerMSW so
     //     we might as well use the ref counted version here too.
 
-    wxDynamicLibrary hDll(_T("WININET"));
+    wxDynamicLibrary hDll(wxT("WININET"));
     if ( hDll.IsLoaded() )
     {
         typedef BOOL (WINAPI *INTERNETGETCONNECTEDSTATE)(LPDWORD, DWORD);
         INTERNETGETCONNECTEDSTATE pfnInternetGetConnectedState;
 
         #define RESOLVE_FUNCTION(type, name) \
-            pfn##name = (type)hDll.GetSymbol(_T(#name))
+            pfn##name = (type)hDll.GetSymbol(wxT(#name))
 
         RESOLVE_FUNCTION(INTERNETGETCONNECTEDSTATE, InternetGetConnectedState);
 
@@ -1067,11 +1115,12 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
     {
         // create a hidden window to receive notification about connections
         // status change
-        extern const wxChar *wxCanvasClassName;
-        ms_hwndRas = ::CreateWindow(wxCanvasClassName, NULL,
-                                    0, 0, 0, 0,
-                                    0, NULL,
-                                    (HMENU)NULL, wxGetInstance(), 0);
+        ms_hwndRas = wxCreateHiddenWindow
+                     (
+                        &gs_classForDialUpWindow,
+                        wxMSWDIALUP_WNDCLASSNAME,
+                        wxRasStatusWindowProc
+                     );
         if ( !ms_hwndRas )
         {
             wxLogLastError(wxT("CreateWindow(RasHiddenWindow)"));
@@ -1080,9 +1129,6 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 
             ok = false;
         }
-
-        // and subclass it
-        wxSetWindowProc(ms_hwndRas, wxRasStatusWindowProc);
     }
 
     m_data->hWnd = ms_hwndRas;
@@ -1151,7 +1197,7 @@ void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus()
 {
     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
 
-    if ( --m_autoCheckLevel )
+    if ( --m_autoCheckLevel != 0 )
     {
         // still checking
         return;
@@ -1220,11 +1266,10 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data)
                 break;
 
             default:
-                wxFAIL_MSG( _T("unexpected return of WaitForMultipleObjects()") );
+                wxFAIL_MSG( wxT("unexpected return of WaitForMultipleObjects()") );
                 // fall through
 
             case WAIT_FAILED:
-#ifdef __WXDEBUG__
                 // using wxLogLastError() from here is dangerous: we risk to
                 // deadlock the main thread if wxLog sends output to GUI
                 DWORD err = GetLastError();
@@ -1235,7 +1280,6 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data)
                     err,
                     wxSysErrorMsg(err)
                 );
-#endif // __WXDEBUG__
 
                 // no sense in continuing, who knows if the handles we're
                 // waiting for even exist yet...
@@ -1285,11 +1329,10 @@ static void WINAPI wxRasDialFunc(UINT WXUNUSED(unMsg),
 
     wxCHECK_RET( dialUpManager, wxT("who started to dial then?") );
 
-    SendMessage(dialUpManager->GetRasWindow(), wxWM_RAS_DIALING_PROGRESS,
+    SendMessage(wxDialUpManagerMSW::GetRasWindow(), wxWM_RAS_DIALING_PROGRESS,
                 rasconnstate, dwError);
 }
 
 #endif // __BORLANDC__
 
 #endif // wxUSE_DIALUP_MANAGER
-