Application clipping region can be set to null without affecting

[wxWidgets.git] / src / msw / dialup.cpp

diff --git a/src/msw/dialup.cpp b/src/msw/dialup.cpp
index 0fc8e9eb323b4669f7e2984f5435a6c6130cdc3f..074b23c6a52d25336bb5505b5a31890a0fe67443 100644 (file)
--- a/src/msw/dialup.cpp
+++ b/src/msw/dialup.cpp
@@ -38,6 +38,7 @@
 
 #include "wx/dynlib.h"
 #include "wx/dialup.h"
 
 #include "wx/dynlib.h"
 #include "wx/dialup.h"

+#include "wx/module.h"

 
 DEFINE_EVENT_TYPE(wxEVT_DIALUP_CONNECTED)
 DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
 
 DEFINE_EVENT_TYPE(wxEVT_DIALUP_CONNECTED)
 DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)


@@ -63,6 +64,14 @@ DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
 #define INTERNET_CONNECTION_PROXY 4
 #endif
 
 #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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------


@@ -179,7 +188,7 @@ public:
     virtual bool HangUp();
     virtual bool IsAlwaysOnline() const;
     virtual bool IsOnline() const;
     virtual bool HangUp();
     virtual bool IsAlwaysOnline() const;
     virtual bool IsOnline() const;

-    virtual void SetOnlineStatus(bool isOnline = TRUE);
+    virtual void SetOnlineStatus(bool isOnline = true);

     virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds);
     virtual void DisableAutoCheckOnlineStatus();
     virtual void SetWellKnownHost(const wxString& hostname, int port);
     virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds);
     virtual void DisableAutoCheckOnlineStatus();
     virtual void SetWellKnownHost(const wxString& hostname, int port);


@@ -195,6 +204,7 @@ public:
 
     // for wxRasDialFunc
     static HWND GetRasWindow() { return ms_hwndRas; }
 
     // for wxRasDialFunc
     static HWND GetRasWindow() { return ms_hwndRas; }

+    static void ResetRasWindow() { ms_hwndRas = NULL; }

     static wxDialUpManagerMSW *GetDialer() { return ms_dialer; }
 
 private:
     static wxDialUpManagerMSW *GetDialer() { return ms_dialer; }
 
 private:


@@ -205,7 +215,7 @@ private:
     static HRASCONN FindActiveConnection();
 
     // notify the application about status change
     static HRASCONN FindActiveConnection();
 
     // notify the application about status change

-    void NotifyApp(bool connected, bool fromOurselves = FALSE) const;
+    void NotifyApp(bool connected, bool fromOurselves = false) const;

 
     // destroy the thread data and the thread itself
     void CleanUpThreadData();
 
     // destroy the thread data and the thread itself
     void CleanUpThreadData();


@@ -280,6 +290,33 @@ private:
     DECLARE_NO_COPY_CLASS(wxDialUpManagerMSW)
 };
 
     DECLARE_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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------


@@ -460,7 +497,7 @@ wxString wxDialUpManagerMSW::GetErrorString(DWORD error)
 
         case 0:
             // we want the error message to start from a lower case letter
 
         case 0:
             // we want the error message to start from a lower case letter

-            buffer[0] = wxTolower(buffer[0]);
+            buffer[0] = (wxChar)wxTolower(buffer[0]);

 
             return wxString(buffer);
     }
 
             return wxString(buffer);
     }


@@ -505,7 +542,7 @@ HRASCONN wxDialUpManagerMSW::FindActiveConnection()
         }
         else
         {
         }
         else
         {

-            // an error occured
+            // an error occurred

             wxLogError(_("Cannot find active dialup connection: %s"),
                        GetErrorString(dwRet).c_str());
             return 0;
             wxLogError(_("Cannot find active dialup connection: %s"),
                        GetErrorString(dwRet).c_str());
             return 0;


@@ -630,14 +667,14 @@ void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate,
 
         ms_dialer = NULL;
 
 
         ms_dialer = NULL;
 

-        NotifyApp(FALSE /* !connected */, TRUE /* we dialed ourselves */);
+        NotifyApp(false /* !connected */, true /* we dialed ourselves */);

     }
     else if ( rasconnstate == RASCS_Connected )
     {
     }
     else if ( rasconnstate == RASCS_Connected )
     {

-        ms_isConnected = TRUE;
+        ms_isConnected = true;

         ms_dialer = NULL;
 
         ms_dialer = NULL;
 

-        NotifyApp(TRUE /* connected */, TRUE /* we dialed ourselves */);
+        NotifyApp(true /* connected */, true /* we dialed ourselves */);

     }
 }
 
     }
 }
 


@@ -707,13 +744,13 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
                               bool async)
 {
     // check preconditions
                               bool async)
 {
     // check preconditions

-    wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
+    wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") );

 
     if ( ms_hRasConnection )
     {
         wxFAIL_MSG(wxT("there is already an active connection"));
 
 
     if ( ms_hRasConnection )
     {
         wxFAIL_MSG(wxT("there is already an active connection"));
 

-        return TRUE;
+        return true;

     }
 
     // get the default ISP if none given
     }
 
     // get the default ISP if none given


@@ -728,7 +765,7 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
                 // no known ISPs, abort
                 wxLogError(_("Failed to connect: no ISP to dial."));
 
                 // no known ISPs, abort
                 wxLogError(_("Failed to connect: no ISP to dial."));
 

-                return FALSE;
+                return false;

 
             case 1:
                 // only one ISP, choose it
 
             case 1:
                 // only one ISP, choose it


@@ -757,7 +794,7 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
                     if ( !entryName )
                     {
                         // cancelled by user
                     if ( !entryName )
                     {
                         // cancelled by user

-                        return FALSE;
+                        return false;

                     }
                 }
         }
                     }
                 }
         }


@@ -782,7 +819,7 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
         {
             wxLogError(_("Failed to connect: missing username/password."));
 
         {
             wxLogError(_("Failed to connect: missing username/password."));
 

-            return FALSE;
+            return false;

         }
     }
     else
         }
     }
     else


@@ -853,16 +890,16 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
 
         ms_dialer = NULL;
 
 
         ms_dialer = NULL;
 

-        return FALSE;
+        return false;

     }
 
     // for async dialing, we're not yet connected
     if ( !async )
     {
     }
 
     // for async dialing, we're not yet connected
     if ( !async )
     {

-        ms_isConnected = TRUE;
+        ms_isConnected = true;

     }
 
     }
 

-    return TRUE;
+    return true;

 }
 
 bool wxDialUpManagerMSW::IsDialing() const
 }
 
 bool wxDialUpManagerMSW::IsDialing() const


@@ -875,7 +912,7 @@ bool wxDialUpManagerMSW::CancelDialing()
     if ( !GetDialer() )
     {
         // silently ignore
     if ( !GetDialer() )
     {
         // silently ignore

-        return FALSE;
+        return false;

     }
 
     wxASSERT_MSG( ms_hRasConnection, wxT("dialing but no connection?") );
     }
 
     wxASSERT_MSG( ms_hRasConnection, wxT("dialing but no connection?") );


@@ -887,7 +924,7 @@ bool wxDialUpManagerMSW::CancelDialing()
 
 bool wxDialUpManagerMSW::HangUp()
 {
 
 bool wxDialUpManagerMSW::HangUp()
 {

-    wxCHECK_MSG( IsOk(), FALSE, wxT("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
 
     // we may terminate either the connection we initiated or another one which
     // is active now


@@ -907,25 +944,27 @@ bool wxDialUpManagerMSW::HangUp()
     {
         wxLogError(_("Cannot hang up - no active dialup connection."));
 
     {
         wxLogError(_("Cannot hang up - no active dialup connection."));
 

-        return FALSE;
+        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());
     }
 
     {
         wxLogError(_("Failed to terminate the dialup connection: %s"),
                    GetErrorString(dwRet).c_str());
     }
 

-    ms_isConnected = FALSE;
+    ms_isConnected = false;

 
 

-    return TRUE;
+    return true;

 }
 
 bool wxDialUpManagerMSW::IsAlwaysOnline() const
 {
     // assume no permanent connection by default
 }
 
 bool wxDialUpManagerMSW::IsAlwaysOnline() const
 {
     // assume no permanent connection by default

-    bool isAlwaysOnline = FALSE;
+    bool isAlwaysOnline = false;

 
     // try to use WinInet functions
 
 
     // try to use WinInet functions
 


@@ -962,7 +1001,7 @@ bool wxDialUpManagerMSW::IsAlwaysOnline() const
 
 bool wxDialUpManagerMSW::IsOnline() const
 {
 
 bool wxDialUpManagerMSW::IsOnline() const
 {

-    wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
+    wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") );

 
     if ( IsAlwaysOnline() )
     {
 
     if ( IsAlwaysOnline() )
     {


@@ -977,7 +1016,7 @@ bool wxDialUpManagerMSW::IsOnline() const
     }
     else
     {
     }
     else
     {

-        // return TRUE if there is at least one active connection
+        // return true if there is at least one active connection

         return FindActiveConnection() != 0;
     }
 }
         return FindActiveConnection() != 0;
     }
 }


@@ -991,12 +1030,12 @@ void wxDialUpManagerMSW::SetOnlineStatus(bool isOnline)
 
 bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 {
 
 bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 {

-    wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
+    wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") );

 
     if ( m_autoCheckLevel++ )
     {
         // already checking
 
     if ( m_autoCheckLevel++ )
     {
         // already checking

-        return TRUE;
+        return true;

     }
 
     bool ok = ms_pfnRasConnectionNotification != 0;
     }
 
     bool ok = ms_pfnRasConnectionNotification != 0;


@@ -1010,12 +1049,12 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
         if ( m_hThread != 0 )
         {
             if ( ::ResumeThread(m_hThread) != (DWORD)-1 )
         if ( m_hThread != 0 )
         {
             if ( ::ResumeThread(m_hThread) != (DWORD)-1 )

-                return TRUE;
+                return true;

 
             // we're leaving a zombie thread... but what else can we do?
             wxLogLastError(wxT("ResumeThread(RasThread)"));
 
 
             // we're leaving a zombie thread... but what else can we do?
             wxLogLastError(wxT("ResumeThread(RasThread)"));
 

-            ok = FALSE;
+            ok = false;

         }
     }
 
         }
     }
 


@@ -1025,7 +1064,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
     if ( ok )
     {
         // first create an event to wait on
     if ( ok )
     {
         // first create an event to wait on

-        m_data->hEventRas = CreateEvent
+        m_data->hEventRas = ::CreateEvent

                             (
                              NULL,      // security attribute (default)
                              FALSE,     // manual reset (no, it is automatic)
                             (
                              NULL,      // security attribute (default)
                              FALSE,     // manual reset (no, it is automatic)


@@ -1036,7 +1075,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
         {
             wxLogLastError(wxT("CreateEvent(RasStatus)"));
 
         {
             wxLogLastError(wxT("CreateEvent(RasStatus)"));
 

-            ok = FALSE;
+            ok = false;

         }
     }
 
         }
     }
 


@@ -1046,7 +1085,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
         // here avoids problems with missing the event if wxDialUpManagerMSW
         // is created and destroyed immediately, before wxRasStatusWindowProc
         // starts waiting on the event
         // here avoids problems with missing the event if wxDialUpManagerMSW
         // is created and destroyed immediately, before wxRasStatusWindowProc
         // starts waiting on the event

-        m_data->hEventQuit = CreateEvent
+        m_data->hEventQuit = ::CreateEvent

                              (
                                 NULL,   // default security
                                 TRUE,   // manual event
                              (
                                 NULL,   // default security
                                 TRUE,   // manual event


@@ -1059,7 +1098,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
 
             CleanUpThreadData();
 
 
             CleanUpThreadData();
 

-            ok = FALSE;
+            ok = false;

         }
     }
 
         }
     }
 


@@ -1067,22 +1106,20 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
     {
         // create a hidden window to receive notification about connections
         // status change
     {
         // 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)"));
 
             CleanUpThreadData();
 
         if ( !ms_hwndRas )
         {
             wxLogLastError(wxT("CreateWindow(RasHiddenWindow)"));
 
             CleanUpThreadData();
 

-            ok = FALSE;
+            ok = false;

         }
         }

-
-        // and subclass it
-        wxSetWindowProc(ms_hwndRas, wxRasStatusWindowProc);

     }
 
     m_data->hWnd = ms_hwndRas;
     }
 
     m_data->hWnd = ms_hwndRas;


@@ -1130,7 +1167,7 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
         }
         else
         {
         }
         else
         {

-            return TRUE;
+            return true;

         }
     }
 
         }
     }
 


@@ -1144,14 +1181,14 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
     }
     m_timerStatusPolling.Start(nSeconds * 1000);
 
     }
     m_timerStatusPolling.Start(nSeconds * 1000);
 

-    return TRUE;
+    return true;

 }
 
 void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus()
 {
     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
 
 }
 
 void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus()
 {
     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
 

-    if ( --m_autoCheckLevel )
+    if ( --m_autoCheckLevel != 0 )

     {
         // still checking
         return;
     {
         // still checking
         return;


@@ -1202,10 +1239,10 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data)
     handles[0] = data->hEventRas;
     handles[1] = data->hEventQuit;
 
     handles[0] = data->hEventRas;
     handles[1] = data->hEventQuit;
 

-    bool cont = TRUE;
+    bool cont = true;

     while ( cont )
     {
     while ( cont )
     {

-        DWORD dwRet = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
+        DWORD dwRet = ::WaitForMultipleObjects(2, handles, FALSE, INFINITE);

 
         switch ( dwRet )
         {
 
         switch ( dwRet )
         {


@@ -1216,7 +1253,7 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data)
                 break;
 
             case WAIT_OBJECT_0 + 1:
                 break;
 
             case WAIT_OBJECT_0 + 1:

-                cont = FALSE;
+                cont = false;

                 break;
 
             default:
                 break;
 
             default:


@@ -1228,7 +1265,8 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data)
                 // using wxLogLastError() from here is dangerous: we risk to
                 // deadlock the main thread if wxLog sends output to GUI
                 DWORD err = GetLastError();
                 // using wxLogLastError() from here is dangerous: we risk to
                 // deadlock the main thread if wxLog sends output to GUI
                 DWORD err = GetLastError();

-                wxMessageOutputDebug().Printf
+                wxMessageOutputDebug dbg;
+                dbg.Printf

                 (
                     wxT("WaitForMultipleObjects(RasMonitor) failed: 0x%08lx (%s)"),
                     err,
                 (
                     wxT("WaitForMultipleObjects(RasMonitor) failed: 0x%08lx (%s)"),
                     err,


@@ -1284,7 +1322,7 @@ static void WINAPI wxRasDialFunc(UINT WXUNUSED(unMsg),
 
     wxCHECK_RET( dialUpManager, wxT("who started to dial then?") );
 
 
     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);
 }
 
                 rasconnstate, dwError);
 }