use common bottleneck

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

diff --git a/src/common/appbase.cpp b/src/common/appbase.cpp
index 888c6828f70f499d5bb179f5fd41a1a66581e850..5014ca25df9476022133b90cf18b1d36a42b9a97 100644 (file)
--- a/src/common/appbase.cpp
+++ b/src/common/appbase.cpp
@@ -6,7 +6,7 @@
 // Created:     19.06.2003 (extracted from common/appcmn.cpp)
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
 // Created:     19.06.2003 (extracted from common/appcmn.cpp)
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>

-// License:     wxWindows license
+// Licence:     wxWindows licence

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


@@ -25,7 +25,7 @@
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-    #ifdef __WXMSW__
+    #ifdef __WINDOWS__

         #include  "wx/msw/wrapwin.h"  // includes windows.h for MessageBox()
     #endif
     #include "wx/list.h"
         #include  "wx/msw/wrapwin.h"  // includes windows.h for MessageBox()
     #endif
     #include "wx/list.h"


@@ -43,21 +43,25 @@
 #include "wx/filename.h"
 #include "wx/msgout.h"
 #include "wx/scopedptr.h"
 #include "wx/filename.h"
 #include "wx/msgout.h"
 #include "wx/scopedptr.h"

+#include "wx/sysopt.h"

 #include "wx/tokenzr.h"
 #include "wx/thread.h"
 
 #include "wx/tokenzr.h"
 #include "wx/thread.h"
 

-#if wxUSE_EXCEPTIONS && wxUSE_STL
-    #include <exception>
-    #include <typeinfo>
-#endif
+#if wxUSE_STL
+    #if wxUSE_EXCEPTIONS
+        #include <exception>
+        #include <typeinfo>
+    #endif
+    #if wxUSE_INTL
+        #include <locale>
+    #endif
+#endif // wxUSE_STL

 
 

-#ifndef __WXPALMOS5__
-#if !defined(__WXMSW__) || defined(__WXMICROWIN__)
+#if !defined(__WINDOWS__) || defined(__WXMICROWIN__)

   #include  <signal.h>      // for SIGTRAP used by wxTrap()
 #endif  //Win/Unix
 
 #include <locale.h>
   #include  <signal.h>      // for SIGTRAP used by wxTrap()
 #endif  //Win/Unix
 
 #include <locale.h>

-#endif // ! __WXPALMOS5__

 
 #if wxUSE_FONTMAP
     #include "wx/fontmap.h"
 
 #if wxUSE_FONTMAP
     #include "wx/fontmap.h"


@@ -66,7 +70,7 @@
 #if wxDEBUG_LEVEL
     #if wxUSE_STACKWALKER
         #include "wx/stackwalk.h"
 #if wxDEBUG_LEVEL
     #if wxUSE_STACKWALKER
         #include "wx/stackwalk.h"

-        #ifdef __WXMSW__
+        #ifdef __WINDOWS__

             #include "wx/msw/debughlp.h"
         #endif
     #endif // wxUSE_STACKWALKER
             #include "wx/msw/debughlp.h"
         #endif
     #endif // wxUSE_STACKWALKER


@@ -115,6 +119,8 @@ wxAppInitializerFunction wxAppConsoleBase::ms_appInitFn = NULL;
 
 wxSocketManager *wxAppTraitsBase::ms_manager = NULL;
 
 
 wxSocketManager *wxAppTraitsBase::ms_manager = NULL;
 

+WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
+

 // ----------------------------------------------------------------------------
 // wxEventLoopPtr
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxEventLoopPtr
 // ----------------------------------------------------------------------------


@@ -144,14 +150,21 @@ wxAppConsoleBase::wxAppConsoleBase()
     // In unicode mode the SetTraceMasks call can cause an apptraits to be
     // created, but since we are still in the constructor the wrong kind will
     // be created for GUI apps.  Destroy it so it can be created again later.
     // In unicode mode the SetTraceMasks call can cause an apptraits to be
     // created, but since we are still in the constructor the wrong kind will
     // be created for GUI apps.  Destroy it so it can be created again later.

-    delete m_traits;
-    m_traits = NULL;
+    wxDELETE(m_traits);

 #endif
 #endif
 #endif
 #endif

+
+    wxEvtHandler::AddFilter(this);

 }
 
 wxAppConsoleBase::~wxAppConsoleBase()
 {
 }
 
 wxAppConsoleBase::~wxAppConsoleBase()
 {

+    wxEvtHandler::RemoveFilter(this);
+
+    // we're being destroyed and using this object from now on may not work or
+    // even crash so don't leave dangling pointers to it
+    ms_appInstance = NULL;
+

     delete m_traits;
 }
 
     delete m_traits;
 }
 


@@ -159,21 +172,39 @@ wxAppConsoleBase::~wxAppConsoleBase()
 // initialization/cleanup
 // ----------------------------------------------------------------------------
 
 // initialization/cleanup
 // ----------------------------------------------------------------------------
 

-bool wxAppConsoleBase::Initialize(int& WXUNUSED(argc), wxChar **argv)
+bool wxAppConsoleBase::Initialize(int& WXUNUSED(argc), wxChar **WXUNUSED(argv))

 {
 {

-#if wxUSE_INTL
-    GetTraits()->SetLocale();
-#endif // wxUSE_INTL
+    return true;
+}

 
 

-#ifndef __WXPALMOS__
-    if ( m_appName.empty() && argv && argv[0] )
+wxString wxAppConsoleBase::GetAppName() const
+{
+    wxString name = m_appName;
+    if ( name.empty() )

     {
     {

-        // the application name is, by default, the name of its executable file
-        wxFileName::SplitPath(argv[0], NULL, &m_appName, NULL);
+        if ( argv )
+        {
+            // the application name is, by default, the name of its executable file
+            wxFileName::SplitPath(argv[0], NULL, &name, NULL);
+        }

     }
     }

-#endif // !__WXPALMOS__
+    return name;
+}

 
 

-    return true;
+wxString wxAppConsoleBase::GetAppDisplayName() const
+{
+    // use the explicitly provided display name, if any
+    if ( !m_appDisplayName.empty() )
+        return m_appDisplayName;
+
+    // if the application name was explicitly set, use it as is as capitalizing
+    // it won't always produce good results
+    if ( !m_appName.empty() )
+        return m_appName;
+
+    // if neither is set, use the capitalized version of the program file as
+    // it's the most reasonable default
+    return GetAppName().Capitalize();

 }
 
 wxEventLoopBase *wxAppConsoleBase::CreateMainLoop()
 }
 
 wxEventLoopBase *wxAppConsoleBase::CreateMainLoop()


@@ -183,11 +214,7 @@ wxEventLoopBase *wxAppConsoleBase::CreateMainLoop()
 
 void wxAppConsoleBase::CleanUp()
 {
 
 void wxAppConsoleBase::CleanUp()
 {

-    if ( m_mainLoop )
-    {
-        delete m_mainLoop;
-        m_mainLoop = NULL;
-    }
+    wxDELETE(m_mainLoop);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -264,7 +291,7 @@ wxAppTraits *wxAppConsoleBase::GetTraits()
     {
         m_traits = CreateTraits();
 
     {
         m_traits = CreateTraits();
 

-        wxASSERT_MSG( m_traits, _T("wxApp::CreateTraits() failed?") );
+        wxASSERT_MSG( m_traits, wxT("wxApp::CreateTraits() failed?") );

     }
 
     return m_traits;
     }
 
     return m_traits;


@@ -319,8 +346,11 @@ bool wxAppConsoleBase::Dispatch()
 bool wxAppConsoleBase::Yield(bool onlyIfNeeded)
 {
     wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
 bool wxAppConsoleBase::Yield(bool onlyIfNeeded)
 {
     wxEventLoopBase * const loop = wxEventLoopBase::GetActive();

+    if ( loop )
+       return loop->Yield(onlyIfNeeded);

 
 

-    return loop && loop->Yield(onlyIfNeeded);
+    wxScopedPtr<wxEventLoopBase> tmpLoop(CreateMainLoop());
+    return tmpLoop->Yield(onlyIfNeeded);

 }
 
 void wxAppConsoleBase::WakeUpIdle()
 }
 
 void wxAppConsoleBase::WakeUpIdle()


@@ -338,9 +368,25 @@ bool wxAppConsoleBase::ProcessIdle()
     event.SetEventObject(this);
     ProcessEvent(event);
 
     event.SetEventObject(this);
     ProcessEvent(event);
 

+#if wxUSE_LOG
+    // flush the logged messages if any (do this after processing the events
+    // which could have logged new messages)
+    wxLog::FlushActive();
+#endif
+
+    // Garbage collect all objects previously scheduled for destruction.
+    DeletePendingObjects();
+

     return event.MoreRequested();
 }
 
     return event.MoreRequested();
 }
 

+bool wxAppConsoleBase::UsesEventLoop() const
+{
+    // in console applications we don't know whether we're going to have an
+    // event loop so assume we won't -- unless we already have one running
+    return wxEventLoopBase::GetActive() != NULL;
+}
+

 // ----------------------------------------------------------------------------
 // events
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // events
 // ----------------------------------------------------------------------------


@@ -356,7 +402,7 @@ bool wxAppConsoleBase::IsMainLoopRunning()
 int wxAppConsoleBase::FilterEvent(wxEvent& WXUNUSED(event))
 {
     // process the events normally by default
 int wxAppConsoleBase::FilterEvent(wxEvent& WXUNUSED(event))
 {
     // process the events normally by default

-    return -1;
+    return Event_Skip;

 }
 
 void wxAppConsoleBase::DelayPendingEventHandler(wxEvtHandler* toDelay)
 }
 
 void wxAppConsoleBase::DelayPendingEventHandler(wxEvtHandler* toDelay)


@@ -433,43 +479,43 @@ void wxAppConsoleBase::ResumeProcessingOfPendingEvents()
 
 void wxAppConsoleBase::ProcessPendingEvents()
 {
 
 void wxAppConsoleBase::ProcessPendingEvents()
 {

-    if (!m_bDoPendingEventProcessing)
-        return;
+    if ( m_bDoPendingEventProcessing )
+    {
+        wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);

 
 

-    wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+        wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(),
+                     "this helper list should be empty" );

 
 

-    wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(),
-                 "this helper list should be empty" );
+        // iterate until the list becomes empty: the handlers remove themselves
+        // from it when they don't have any more pending events
+        while (!m_handlersWithPendingEvents.IsEmpty())
+        {
+            // In ProcessPendingEvents(), new handlers might be added
+            // and we can safely leave the critical section here.
+            wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);

 
 

-    // iterate until the list becomes empty: the handlers remove themselves
-    // from it when they don't have any more pending events
-    while (!m_handlersWithPendingEvents.IsEmpty())
-    {
-        // In ProcessPendingEvents(), new handlers might be added
-        // and we can safely leave the critical section here.
-        wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+            // NOTE: we always call ProcessPendingEvents() on the first event handler
+            //       with pending events because handlers auto-remove themselves
+            //       from this list (see RemovePendingEventHandler) if they have no
+            //       more pending events.
+            m_handlersWithPendingEvents[0]->ProcessPendingEvents();

 
 

-        // NOTE: we always call ProcessPendingEvents() on the first event handler
-        //       with pending events because handlers auto-remove themselves
-        //       from this list (see RemovePendingEventHandler) if they have no
-        //       more pending events.
-        m_handlersWithPendingEvents[0]->ProcessPendingEvents();
+            wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+        }

 
 

-        wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
-    }
+        // now the wxHandlersWithPendingEvents is surely empty; however some event
+        // handlers may have moved themselves into wxHandlersWithPendingDelayedEvents
+        // because of a selective wxYield call in progress.
+        // Now we need to move them back to wxHandlersWithPendingEvents so the next
+        // call to this function has the chance of processing them:
+        if (!m_handlersWithPendingDelayedEvents.IsEmpty())
+        {
+            WX_APPEND_ARRAY(m_handlersWithPendingEvents, m_handlersWithPendingDelayedEvents);
+            m_handlersWithPendingDelayedEvents.Clear();
+        }

 
 

-    // now the wxHandlersWithPendingEvents is surely empty; however some event
-    // handlers may have moved themselves into wxHandlersWithPendingDelayedEvents
-    // because of a selective wxYield call in progress.
-    // Now we need to move them back to wxHandlersWithPendingEvents so the next
-    // call to this function has the chance of processing them:
-    if (!m_handlersWithPendingDelayedEvents.IsEmpty())
-    {
-        WX_APPEND_ARRAY(m_handlersWithPendingEvents, m_handlersWithPendingDelayedEvents);
-        m_handlersWithPendingDelayedEvents.Clear();
+        wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);

     }
     }

-
-    wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);

 }
 
 void wxAppConsoleBase::DeletePendingEvents()
 }
 
 void wxAppConsoleBase::DeletePendingEvents()


@@ -487,6 +533,50 @@ void wxAppConsoleBase::DeletePendingEvents()
     wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
 }
 
     wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
 }
 

+// ----------------------------------------------------------------------------
+// delayed objects destruction
+// ----------------------------------------------------------------------------
+
+bool wxAppConsoleBase::IsScheduledForDestruction(wxObject *object) const
+{
+    return wxPendingDelete.Member(object);
+}
+
+void wxAppConsoleBase::ScheduleForDestruction(wxObject *object)
+{
+    if ( !UsesEventLoop() )
+    {
+        // we won't be able to delete it later so do it right now
+        delete object;
+        return;
+    }
+    //else: we either already have or will soon start an event loop
+
+    if ( !wxPendingDelete.Member(object) )
+        wxPendingDelete.Append(object);
+}
+
+void wxAppConsoleBase::DeletePendingObjects()
+{
+    wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
+    while (node)
+    {
+        wxObject *obj = node->GetData();
+
+        // remove it from the list first so that if we get back here somehow
+        // during the object deletion (e.g. wxYield called from its dtor) we
+        // wouldn't try to delete it the second time
+        if ( wxPendingDelete.Member(obj) )
+            wxPendingDelete.Erase(node);
+
+        delete obj;
+
+        // Deleting one object may have deleted other pending
+        // objects, so start from beginning of list again.
+        node = wxPendingDelete.GetFirst();
+    }
+}
+

 // ----------------------------------------------------------------------------
 // exception handling
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // exception handling
 // ----------------------------------------------------------------------------


@@ -650,7 +740,7 @@ bool wxAppConsoleBase::CheckBuildOptions(const char *optionsSignature,
         wxString progName = wxString::FromAscii(componentName);
         wxString msg;
 
         wxString progName = wxString::FromAscii(componentName);
         wxString msg;
 

-        msg.Printf(_T("Mismatch between the program and library build versions detected.\nThe library used %s,\nand %s used %s."),
+        msg.Printf(wxT("Mismatch between the program and library build versions detected.\nThe library used %s,\nand %s used %s."),

                    lib.c_str(), progName.c_str(), prog.c_str());
 
         wxLogFatalError(msg.c_str());
                    lib.c_str(), progName.c_str(), prog.c_str());
 
         wxLogFatalError(msg.c_str());


@@ -690,6 +780,18 @@ void wxAppConsoleBase::OnAssert(const wxChar *file,
     OnAssertFailure(file, line, NULL, cond, msg);
 }
 
     OnAssertFailure(file, line, NULL, cond, msg);
 }
 

+// ----------------------------------------------------------------------------
+// Miscellaneous other methods
+// ----------------------------------------------------------------------------
+
+void wxAppConsoleBase::SetCLocale()
+{
+    // We want to use the user locale by default in GUI applications in order
+    // to show the numbers, dates &c in the familiar format -- and also accept
+    // this format on input (especially important for decimal comma/dot).
+    wxSetlocale(LC_ALL, "");
+}
+

 // ============================================================================
 // other classes implementations
 // ============================================================================
 // ============================================================================
 // other classes implementations
 // ============================================================================


@@ -738,28 +840,10 @@ bool wxConsoleAppTraitsBase::HasStderr()
     return true;
 }
 
     return true;
 }
 

-void wxConsoleAppTraitsBase::ScheduleForDestroy(wxObject *object)
-{
-    delete object;
-}
-
-void wxConsoleAppTraitsBase::RemoveFromPendingDelete(wxObject * WXUNUSED(object))
-{
-    // nothing to do
-}
-

 // ----------------------------------------------------------------------------
 // wxAppTraits
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxAppTraits
 // ----------------------------------------------------------------------------
 

-#if wxUSE_INTL
-void wxAppTraitsBase::SetLocale()
-{
-    wxSetlocale(LC_ALL, "");
-    wxUpdateLocaleIsUtf8();
-}
-#endif
-

 #if wxUSE_THREADS
 void wxMutexGuiEnterImpl();
 void wxMutexGuiLeaveImpl();
 #if wxUSE_THREADS
 void wxMutexGuiEnterImpl();
 void wxMutexGuiLeaveImpl();


@@ -792,22 +876,19 @@ void WXDLLIMPEXP_BASE wxMutexGuiLeave()
 bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal)
 {
 #if wxDEBUG_LEVEL
 bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal)
 {
 #if wxDEBUG_LEVEL

-    wxString msg = msgOriginal;
+    wxString msg;

 
 #if wxUSE_STACKWALKER
 
 #if wxUSE_STACKWALKER

-#if !defined(__WXMSW__)
-    // on Unix stack frame generation may take some time, depending on the
-    // size of the executable mainly... warn the user that we are working
-    wxFprintf(stderr, wxT("[Debug] Generating a stack trace... please wait"));
-    fflush(stderr);
-#endif
-

     const wxString stackTrace = GetAssertStackTrace();
     if ( !stackTrace.empty() )
     const wxString stackTrace = GetAssertStackTrace();
     if ( !stackTrace.empty() )

-        msg << _T("\n\nCall stack:\n") << stackTrace;
+    {
+        msg << wxT("\n\nCall stack:\n") << stackTrace;
+
+        wxMessageOutputDebug().Output(msg);
+    }

 #endif // wxUSE_STACKWALKER
 
 #endif // wxUSE_STACKWALKER
 

-    return DoShowAssertDialog(msg);
+    return DoShowAssertDialog(msgOriginal + msg);

 #else // !wxDEBUG_LEVEL
     wxUnusedVar(msgOriginal);
 
 #else // !wxDEBUG_LEVEL
     wxUnusedVar(msgOriginal);
 


@@ -819,6 +900,15 @@ bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal)
 wxString wxAppTraitsBase::GetAssertStackTrace()
 {
 #if wxDEBUG_LEVEL
 wxString wxAppTraitsBase::GetAssertStackTrace()
 {
 #if wxDEBUG_LEVEL

+
+#if !defined(__WINDOWS__)
+    // on Unix stack frame generation may take some time, depending on the
+    // size of the executable mainly... warn the user that we are working
+    wxFprintf(stderr, "Collecting stack trace information, please wait...");
+    fflush(stderr);
+#endif // !__WINDOWS__
+
+

     wxString stackTrace;
 
     class StackDump : public wxStackWalker
     wxString stackTrace;
 
     class StackDump : public wxStackWalker


@@ -833,29 +923,29 @@ wxString wxAppTraitsBase::GetAssertStackTrace()
         {
             m_stackTrace << wxString::Format
                             (
         {
             m_stackTrace << wxString::Format
                             (

-                              _T("[%02d] "),
+                              wxT("[%02d] "),

                               wx_truncate_cast(int, frame.GetLevel())
                             );
 
             wxString name = frame.GetName();
             if ( !name.empty() )
             {
                               wx_truncate_cast(int, frame.GetLevel())
                             );
 
             wxString name = frame.GetName();
             if ( !name.empty() )
             {

-                m_stackTrace << wxString::Format(_T("%-40s"), name.c_str());
+                m_stackTrace << wxString::Format(wxT("%-40s"), name.c_str());

             }
             else
             {
             }
             else
             {

-                m_stackTrace << wxString::Format(_T("%p"), frame.GetAddress());
+                m_stackTrace << wxString::Format(wxT("%p"), frame.GetAddress());

             }
 
             if ( frame.HasSourceLocation() )
             {
             }
 
             if ( frame.HasSourceLocation() )
             {

-                m_stackTrace << _T('\t')
+                m_stackTrace << wxT('\t')

                              << frame.GetFileName()
                              << frame.GetFileName()

-                             << _T(':')
+                             << wxT(':')

                              << frame.GetLine();
             }
 
                              << frame.GetLine();
             }
 

-            m_stackTrace << _T('\n');
+            m_stackTrace << wxT('\n');

         }
 
     private:
         }
 
     private:


@@ -868,7 +958,7 @@ wxString wxAppTraitsBase::GetAssertStackTrace()
     static const int maxLines = 20;
 
     StackDump dump;
     static const int maxLines = 20;
 
     StackDump dump;

-    dump.Walk(2, maxLines); // don't show OnAssert() call itself
+    dump.Walk(8, maxLines); // 8 is chosen to hide all OnAssert() calls

     stackTrace = dump.GetStackTrace();
 
     const int count = stackTrace.Freq(wxT('\n'));
     stackTrace = dump.GetStackTrace();
 
     const int count = stackTrace.Freq(wxT('\n'));


@@ -917,12 +1007,23 @@ bool wxAssertIsEqual(int x, int y)
     return x == y;
 }
 
     return x == y;
 }
 

+void wxAbort()
+{
+#ifdef __WXWINCE__
+    ExitThread(3);
+#else
+    abort();
+#endif
+}
+

 #if wxDEBUG_LEVEL
 
 // break into the debugger
 #if wxDEBUG_LEVEL
 
 // break into the debugger

+#ifndef wxTrap
+

 void wxTrap()
 {
 void wxTrap()
 {

-#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)

     DebugBreak();
 #elif defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
     Debugger();
     DebugBreak();
 #elif defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
     Debugger();


@@ -933,6 +1034,8 @@ void wxTrap()
 #endif // Win/Unix
 }
 
 #endif // Win/Unix
 }
 

+#endif // wxTrap already defined as a macro
+

 // default assert handler
 static void
 wxDefaultAssertHandler(const wxString& file,
 // default assert handler
 static void
 wxDefaultAssertHandler(const wxString& file,


@@ -941,6 +1044,10 @@ wxDefaultAssertHandler(const wxString& file,
                        const wxString& cond,
                        const wxString& msg)
 {
                        const wxString& cond,
                        const wxString& msg)
 {

+    // If this option is set, we should abort immediately when assert happens.
+    if ( wxSystemOptions::GetOptionInt("exit-on-assert") )
+        wxAbort();
+

     // FIXME MT-unsafe
     static int s_bInAssert = 0;
 
     // FIXME MT-unsafe
     static int s_bInAssert = 0;
 


@@ -970,6 +1077,11 @@ wxDefaultAssertHandler(const wxString& file,
 
 wxAssertHandler_t wxTheAssertHandler = wxDefaultAssertHandler;
 
 
 wxAssertHandler_t wxTheAssertHandler = wxDefaultAssertHandler;
 

+void wxSetDefaultAssertHandler()
+{
+    wxTheAssertHandler = wxDefaultAssertHandler;
+}
+

 void wxOnAssert(const wxString& file,
                 int line,
                 const wxString& func,
 void wxOnAssert(const wxString& file,
                 int line,
                 const wxString& func,


@@ -1073,11 +1185,13 @@ static void LINKAGEMODE SetTraceMasks()
 
 #if wxDEBUG_LEVEL
 
 
 #if wxDEBUG_LEVEL
 

+bool wxTrapInAssert = false;
+

 static
 bool DoShowAssertDialog(const wxString& msg)
 {
 static
 bool DoShowAssertDialog(const wxString& msg)
 {

-    // under MSW we can show the dialog even in the console mode
-#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+    // under Windows we can show the dialog even in the console mode
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)

     wxString msgDlg(msg);
 
     // this message is intentionally not translated -- it is for developers
     wxString msgDlg(msg);
 
     // this message is intentionally not translated -- it is for developers


@@ -1087,11 +1201,18 @@ bool DoShowAssertDialog(const wxString& msg)
               wxT("You can also choose [Cancel] to suppress ")
               wxT("further warnings.");
 
               wxT("You can also choose [Cancel] to suppress ")
               wxT("further warnings.");
 

-    switch ( ::MessageBox(NULL, msgDlg.wx_str(), _T("wxWidgets Debug Alert"),
+    switch ( ::MessageBox(NULL, msgDlg.t_str(), wxT("wxWidgets Debug Alert"),

                           MB_YESNOCANCEL | MB_ICONSTOP ) )
     {
         case IDYES:
                           MB_YESNOCANCEL | MB_ICONSTOP ) )
     {
         case IDYES:

-            wxTrap();
+            // If we called wxTrap() directly from here, the programmer would
+            // see this function and a few more calls between his own code and
+            // it in the stack trace which would be perfectly useless and often
+            // confusing. So instead just set the flag here and let the macros
+            // defined in wx/debug.h call wxTrap() themselves, this ensures
+            // that the debugger will show the line in the user code containing
+            // the failing assert.
+            wxTrapInAssert = true;

             break;
 
         case IDCANCEL:
             break;
 
         case IDCANCEL:


@@ -1100,15 +1221,11 @@ bool DoShowAssertDialog(const wxString& msg)
 
         //case IDNO: nothing to do
     }
 
         //case IDNO: nothing to do
     }

-#else // !__WXMSW__
-    wxFprintf(stderr, wxT("%s\n"), msg.c_str());
-    fflush(stderr);
-
-    // TODO: ask the user to enter "Y" or "N" on the console?
-    wxTrap();
-#endif // __WXMSW__/!__WXMSW__
+#else // !__WINDOWS__
+    wxUnusedVar(msg);
+#endif // __WINDOWS__/!__WINDOWS__

 
 

-    // continue with the asserts
+    // continue with the asserts by default

     return false;
 }
 
     return false;
 }
 


@@ -1134,16 +1251,16 @@ void ShowAssertDialog(const wxString& file,
 
     // add the function name, if any
     if ( !func.empty() )
 
     // add the function name, if any
     if ( !func.empty() )

-        msg << _T(" in ") << func << _T("()");
+        msg << wxT(" in ") << func << wxT("()");

 
     // and the message itself
     if ( !msgUser.empty() )
     {
 
     // and the message itself
     if ( !msgUser.empty() )
     {

-        msg << _T(": ") << msgUser;
+        msg << wxT(": ") << msgUser;

     }
     else // no message given
     {
     }
     else // no message given
     {

-        msg << _T('.');
+        msg << wxT('.');

     }
 
 #if wxUSE_THREADS
     }
 
 #if wxUSE_THREADS


@@ -1151,27 +1268,15 @@ void ShowAssertDialog(const wxString& file,
     // since dialogs cannot be displayed
     if ( !wxThread::IsMain() )
     {
     // since dialogs cannot be displayed
     if ( !wxThread::IsMain() )
     {

-        msg += wxT(" [in child thread]");
-
-#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
-        msg << wxT("\r\n");
-        OutputDebugString(msg.wx_str());
-#else
-        // send to stderr
-        wxFprintf(stderr, wxT("%s\n"), msg.c_str());
-        fflush(stderr);
-#endif
-        // He-e-e-e-elp!! we're asserting in a child thread
-        wxTrap();
+        msg += wxString::Format(" [in thread %lx]", wxThread::GetCurrentId());

     }
     }

-    else

 #endif // wxUSE_THREADS
 
 #endif // wxUSE_THREADS
 

+    // log the assert in any case
+    wxMessageOutputDebug().Output(msg);
+

     if ( !s_bNoAsserts )
     {
     if ( !s_bNoAsserts )
     {

-        // send it to the normal log destination
-        wxLogDebug(_T("%s"), msg.c_str());
-

         if ( traits )
         {
             // delegate showing assert dialog (if possible) to that class
         if ( traits )
         {
             // delegate showing assert dialog (if possible) to that class