got rid of wxSocketBase::m_error which could get out of sync with wxSocketImpl::m_err...

[wxWidgets.git] / src / common / init.cpp

diff --git a/src/common/init.cpp b/src/common/init.cpp
index 21b2e37216cd3b26afd7f94ed9030db2ce331272..49e211f064ec8f8b8dec40ba8196ef2ad2117c5d 100644 (file)
--- a/src/common/init.cpp
+++ b/src/common/init.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        common/init.cpp
+// Name:        src/common/init.cpp

 // Purpose:     initialisation for the library
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     04.10.99
 // RCS-ID:      $Id$
 // Copyright:   (c) Vadim Zeitlin
 // Purpose:     initialisation for the library
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     04.10.99
 // RCS-ID:      $Id$
 // Copyright:   (c) Vadim Zeitlin

-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -20,21 +20,21 @@
 #include "wx/wxprec.h"
 
 #ifdef    __BORLANDC__
 #include "wx/wxprec.h"
 
 #ifdef    __BORLANDC__

-  #pragma hdrstop
+    #pragma hdrstop

 #endif  //__BORLANDC__
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
 #endif  //__BORLANDC__
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"

-    #include "wx/debug.h"

     #include "wx/filefn.h"
     #include "wx/log.h"
     #include "wx/filefn.h"
     #include "wx/log.h"

-    #include "wx/thread.h"
+    #include "wx/intl.h"
+    #include "wx/module.h"

 #endif
 
 #include "wx/init.h"
 #endif
 
 #include "wx/init.h"

+#include "wx/thread.h"

 
 #include "wx/ptr_scpd.h"
 
 #include "wx/ptr_scpd.h"

-#include "wx/module.h"

 #include "wx/except.h"
 
 #if defined(__WXMSW__) && defined(__WXDEBUG__)
 #include "wx/except.h"
 
 #if defined(__WXMSW__) && defined(__WXDEBUG__)


@@ -69,8 +69,8 @@ public:
 
 // we need a special kind of auto pointer to wxApp which not only deletes the
 // pointer it holds in its dtor but also resets the global application pointer
 
 // we need a special kind of auto pointer to wxApp which not only deletes the
 // pointer it holds in its dtor but also resets the global application pointer

-wxDECLARE_SCOPED_PTR(wxAppConsole, wxAppPtrBase);
-wxDEFINE_SCOPED_PTR(wxAppConsole, wxAppPtrBase);
+wxDECLARE_SCOPED_PTR(wxAppConsole, wxAppPtrBase)
+wxDEFINE_SCOPED_PTR(wxAppConsole, wxAppPtrBase)

 
 class wxAppPtr : public wxAppPtrBase
 {
 
 class wxAppPtr : public wxAppPtrBase
 {


@@ -176,13 +176,27 @@ static struct InitData
 static void ConvertArgsToUnicode(int argc, char **argv)
 {
     gs_initData.argv = new wchar_t *[argc + 1];
 static void ConvertArgsToUnicode(int argc, char **argv)
 {
     gs_initData.argv = new wchar_t *[argc + 1];

+    int wargc = 0;

     for ( int i = 0; i < argc; i++ )
     {
     for ( int i = 0; i < argc; i++ )
     {

-        gs_initData.argv[i] = wxStrdup(wxConvLocal.cMB2WX(argv[i]));
+#ifdef __DARWIN__
+        wxWCharBuffer buf(wxConvFileName->cMB2WX(argv[i]));
+#else
+        wxWCharBuffer buf(wxConvLocal.cMB2WX(argv[i]));
+#endif
+        if ( !buf )
+        {
+            wxLogWarning(_("Command line argument %d couldn't be converted to Unicode and will be ignored."),
+                         i);
+        }
+        else // converted ok
+        {
+            gs_initData.argv[wargc++] = wxStrdup(buf);
+        }

     }
 
     }
 

-    gs_initData.argc = argc;
-    gs_initData.argv[argc] = NULL;
+    gs_initData.argc = wargc;
+    gs_initData.argv[wargc] = NULL;

 }
 
 static void FreeConvertedArgs()
 }
 
 static void FreeConvertedArgs()


@@ -209,6 +223,18 @@ static void FreeConvertedArgs()
 // initialization which is always done (not customizable) before wxApp creation
 static bool DoCommonPreInit()
 {
 // initialization which is always done (not customizable) before wxApp creation
 static bool DoCommonPreInit()
 {

+#if wxUSE_LOG
+    // Reset logging in case we were cleaned up and are being reinitialized.
+    wxLog::DoCreateOnDemand();
+
+    // install temporary log sink: we can't use wxLogGui before wxApp is
+    // constructed and if we use wxLogStderr, all messages during
+    // initialization simply disappear under Windows
+    //
+    // note that we will delete this log target below
+    delete wxLog::SetActiveTarget(new wxLogBuffer);
+#endif // wxUSE_LOG
+

     return true;
 }
 
     return true;
 }
 


@@ -217,7 +243,50 @@ static bool DoCommonPostInit()
 {
     wxModule::RegisterModules();
 
 {
     wxModule::RegisterModules();
 

-    return wxModule::InitializeModules();
+    if ( !wxModule::InitializeModules() )
+    {
+        wxLogError(_("Initialization failed in post init, aborting."));
+        return false;
+    }
+
+#if defined(__WXDEBUG__)
+    // check if event classes implement Clone() correctly
+    // NOTE: the check is done against _all_ event classes which are linked to
+    //       the executable currently running, which are not necessarily all
+    //       wxWidgets event classes.
+    const wxClassInfo *ci = wxClassInfo::GetFirst();
+    for (; ci; ci = ci->GetNext())
+    {
+        // is this class derived from wxEvent?
+        if (!ci->IsKindOf(CLASSINFO(wxEvent)) || wxString(ci->GetClassName()) == "wxEvent")
+            continue;
+
+        if (!ci->IsDynamic())
+        {
+            wxLogWarning("The event class '%s' should have a DECLARE_DYNAMIC_CLASS macro!",
+                         ci->GetClassName());
+            continue;
+        }
+
+        // yes; test if it implements Clone() correctly
+        wxEvent* test = dynamic_cast<wxEvent*>(ci->CreateObject());
+        if (test == NULL)
+        {
+            wxLogWarning("The event class '%s' should have a DECLARE_DYNAMIC_CLASS macro!",
+                         ci->GetClassName());
+            continue;
+        }
+
+        wxEvent* cloned = test->Clone();
+        if (!cloned || cloned->GetClassInfo() != ci)
+            wxLogWarning("The event class '%s' does not correctly implement Clone()!",
+                         ci->GetClassName());
+
+        delete test;
+    }
+#endif
+
+    return true;

 }
 
 bool wxEntryStart(int& argc, wxChar **argv)
 }
 
 bool wxEntryStart(int& argc, wxChar **argv)


@@ -266,6 +335,12 @@ bool wxEntryStart(int& argc, wxChar **argv)
         return false;
     }
 
         return false;
     }
 

+    // remember, possibly modified (e.g. due to removal of toolkit-specific
+    // parameters), command line arguments in member variables
+    app->argc = argc;
+    app->argv = argv;
+
+

     wxCallAppCleanup callAppCleanup(app.get());
 
     // for compatibility call the old initialization function too
     wxCallAppCleanup callAppCleanup(app.get());
 
     // for compatibility call the old initialization function too


@@ -286,6 +361,14 @@ bool wxEntryStart(int& argc, wxChar **argv)
     // and the cleanup object from doing cleanup
     callAppCleanup.Dismiss();
 
     // and the cleanup object from doing cleanup
     callAppCleanup.Dismiss();
 

+#if wxUSE_LOG
+    // now that we have a valid wxApp (wxLogGui would have crashed if we used
+    // it before now), we can delete the temporary sink we had created for the
+    // initialization messages -- the next time logging function is called, the
+    // sink will be recreated but this time wxAppTraits will be used
+    delete wxLog::SetActiveTarget(NULL);
+#endif // wxUSE_LOG
+

     return true;
 }
 
     return true;
 }
 


@@ -296,7 +379,7 @@ bool wxEntryStart(int& argc, char **argv)
 {
     ConvertArgsToUnicode(argc, argv);
 
 {
     ConvertArgsToUnicode(argc, argv);
 

-    if ( !wxEntryStart(argc, gs_initData.argv) )
+    if ( !wxEntryStart(gs_initData.argc, gs_initData.argv) )

     {
         FreeConvertedArgs();
 
     {
         FreeConvertedArgs();
 


@@ -312,7 +395,7 @@ bool wxEntryStart(int& argc, char **argv)
 // clean up
 // ----------------------------------------------------------------------------
 
 // clean up
 // ----------------------------------------------------------------------------
 

-// cleanup done before destroying wxTheApp 
+// cleanup done before destroying wxTheApp

 static void DoCommonPreCleanup()
 {
 #if wxUSE_LOG
 static void DoCommonPreCleanup()
 {
 #if wxUSE_LOG


@@ -325,14 +408,12 @@ static void DoCommonPreCleanup()
     // this will flush the old messages if any
     delete wxLog::SetActiveTarget(new wxLogStderr);
 #endif // wxUSE_LOG
     // this will flush the old messages if any
     delete wxLog::SetActiveTarget(new wxLogStderr);
 #endif // wxUSE_LOG

-
-    wxModule::CleanUpModules();

 }
 
 // cleanup done after destroying wxTheApp
 static void DoCommonPostCleanup()
 {
 }
 
 // cleanup done after destroying wxTheApp
 static void DoCommonPostCleanup()
 {

-    wxClassInfo::CleanUp();
+    wxModule::CleanUpModules();

 
     // we can't do this in wxApp itself because it doesn't know if argv had
     // been allocated
 
     // we can't do this in wxApp itself because it doesn't know if argv had
     // been allocated


@@ -340,7 +421,10 @@ static void DoCommonPostCleanup()
     FreeConvertedArgs();
 #endif // wxUSE_UNICODE
 
     FreeConvertedArgs();
 #endif // wxUSE_UNICODE
 

-    // Note: check for memory leaks is now done via wxDebugContextDumpDelayCounter
+    // use Set(NULL) and not Get() to avoid creating a message output object on
+    // demand when we just want to delete it
+    delete wxMessageOutput::Set(NULL);
+

 #if wxUSE_LOG
     // and now delete the last logger as well
     delete wxLog::SetActiveTarget(NULL);
 #if wxUSE_LOG
     // and now delete the last logger as well
     delete wxLog::SetActiveTarget(NULL);


@@ -357,8 +441,12 @@ void wxEntryCleanup()
     {
         wxTheApp->CleanUp();
 
     {
         wxTheApp->CleanUp();
 

-        delete wxTheApp;
+        // reset the global pointer to it to NULL before destroying it as in
+        // some circumstances this can result in executing the code using
+        // wxTheApp and using half-destroyed object is no good
+        wxAppConsole * const app = wxApp::GetInstance();

         wxApp::SetInstance(NULL);
         wxApp::SetInstance(NULL);

+        delete app;

     }
 
 
     }
 
 


@@ -369,15 +457,20 @@ void wxEntryCleanup()
 // wxEntry
 // ----------------------------------------------------------------------------
 
 // wxEntry
 // ----------------------------------------------------------------------------
 

-#if !defined(__WXMSW__) || !wxUSE_ON_FATAL_EXCEPTION
+// for MSW the real wxEntry is defined in msw/main.cpp
+#ifndef __WXMSW__

     #define wxEntryReal wxEntry
     #define wxEntryReal wxEntry

-#endif // !(__WXMSW__ && wxUSE_ON_FATAL_EXCEPTION)
+#endif // !__WXMSW__

 
 int wxEntryReal(int& argc, wxChar **argv)
 {
     // library initialization
     if ( !wxEntryStart(argc, argv) )
     {
 
 int wxEntryReal(int& argc, wxChar **argv)
 {
     // library initialization
     if ( !wxEntryStart(argc, argv) )
     {

+#if wxUSE_LOG
+        // flush any log messages explaining why we failed
+        delete wxLog::SetActiveTarget(NULL);
+#endif

         return -1;
     }
 
         return -1;
     }
 


@@ -412,41 +505,6 @@ int wxEntryReal(int& argc, wxChar **argv)
     wxCATCH_ALL( wxTheApp->OnUnhandledException(); return -1; )
 }
 
     wxCATCH_ALL( wxTheApp->OnUnhandledException(); return -1; )
 }
 

-// wrap real wxEntry in a try-except block to be able to call
-// OnFatalException() if necessary
-#if defined(__WXMSW__) && wxUSE_ON_FATAL_EXCEPTION
-
-#ifdef __WXWINCE__
-// For ExitThread
-#include "wx/msw/private.h"
-#endif
-
-extern unsigned long wxGlobalSEHandler(EXCEPTION_POINTERS *pExcPtrs);
-
-int wxEntry(int& argc, wxChar **argv)
-{
-    __try
-    {
-        return wxEntryReal(argc, argv);
-    }
-    __except ( wxGlobalSEHandler(GetExceptionInformation()) )
-    {
-#ifdef __WXWINCE__
-        ::ExitThread(3); // the same exit code as abort()
-#else
-        ::ExitProcess(3); // the same exit code as abort()
-#endif
-
-#if !defined(_MSC_VER) || _MSC_VER < 1300
-        // this code is unreachable but put it here to suppress warnings
-        // from some compilers
-        return -1;
-#endif
-    }
-}
-
-#endif // __WXMSW__ && wxUSE_ON_FATAL_EXCEPTION
-

 #if wxUSE_UNICODE
 
 // as with wxEntryStart, we provide an ANSI wrapper
 #if wxUSE_UNICODE
 
 // as with wxEntryStart, we provide an ANSI wrapper


@@ -454,7 +512,7 @@ int wxEntry(int& argc, char **argv)
 {
     ConvertArgsToUnicode(argc, argv);
 
 {
     ConvertArgsToUnicode(argc, argv);
 

-    return wxEntry(argc, gs_initData.argv);
+    return wxEntry(gs_initData.argc, gs_initData.argv);

 }
 
 #endif // wxUSE_UNICODE
 }
 
 #endif // wxUSE_UNICODE


@@ -480,9 +538,8 @@ void wxUninitialize()
 {
     wxCRIT_SECT_LOCKER(lockInit, gs_initData.csInit);
 
 {
     wxCRIT_SECT_LOCKER(lockInit, gs_initData.csInit);
 

-    if ( !--gs_initData.nInitCount )
+    if ( --gs_initData.nInitCount == 0 )

     {
         wxEntryCleanup();
     }
 }
     {
         wxEntryCleanup();
     }
 }

-