add wxScrollHelper::ShowScrollbars() (implemented for GTK only right now, generic...

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

diff --git a/src/common/appbase.cpp b/src/common/appbase.cpp
index 9f3be56cc8f7b1d6b20b016b1804c939fb576074..5a741b70ac439b3c2148aafe03a821f4aa963536 100644 (file)
--- a/src/common/appbase.cpp
+++ b/src/common/appbase.cpp
@@ -44,30 +44,25 @@
 #include "wx/msgout.h"
 #include "wx/ptr_scpd.h"
 #include "wx/tokenzr.h"
 #include "wx/msgout.h"
 #include "wx/ptr_scpd.h"
 #include "wx/tokenzr.h"

+#include "wx/thread.h"

 
 

+#if wxUSE_EXCEPTIONS && wxUSE_STL
+    #include <exception>
+    #include <typeinfo>
+#endif
+
+#ifndef __WXPALMOS5__

 #if !defined(__WXMSW__) || defined(__WXMICROWIN__)
   #include  <signal.h>      // for SIGTRAP used by wxTrap()
 #endif  //Win/Unix
 
 #include <locale.h>
 #if !defined(__WXMSW__) || defined(__WXMICROWIN__)
   #include  <signal.h>      // for SIGTRAP used by wxTrap()
 #endif  //Win/Unix
 
 #include <locale.h>

+#endif // ! __WXPALMOS5__

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

-#if defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
-    // For MacTypes.h for Debugger function
-    #include <CoreFoundation/CFBase.h>
-#endif
-
-#if defined(__WXMAC__)
-    #ifdef __DARWIN__
-        #include  <CoreServices/CoreServices.h>
-    #else
-        #include  "wx/mac/private.h"  // includes mac headers
-    #endif
-#endif // __WXMAC__
-

 #ifdef __WXDEBUG__
     #if wxUSE_STACKWALKER
         #include "wx/stackwalk.h"
 #ifdef __WXDEBUG__
     #if wxUSE_STACKWALKER
         #include "wx/stackwalk.h"


@@ -75,6 +70,8 @@
             #include "wx/msw/debughlp.h"
         #endif
     #endif // wxUSE_STACKWALKER
             #include "wx/msw/debughlp.h"
         #endif
     #endif // wxUSE_STACKWALKER

+
+    #include "wx/recguard.h"

 #endif // __WXDEBUG__
 
 // wxABI_VERSION can be defined when compiling applications but it should be
 #endif // __WXDEBUG__
 
 // wxABI_VERSION can be defined when compiling applications but it should be


@@ -114,6 +111,8 @@ wxAppConsole *wxAppConsoleBase::ms_appInstance = NULL;
 
 wxAppInitializerFunction wxAppConsoleBase::ms_appInitFn = NULL;
 
 
 wxAppInitializerFunction wxAppConsoleBase::ms_appInitFn = NULL;
 

+wxSocketManager *wxAppTraitsBase::ms_manager = NULL;
+

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


@@ -134,7 +133,7 @@ wxAppConsoleBase::wxAppConsoleBase()
     m_traits = NULL;
     m_mainLoop = NULL;
 
     m_traits = NULL;
     m_mainLoop = NULL;
 

-    ms_appInstance = wx_static_cast(wxAppConsole *, this);
+    ms_appInstance = static_cast<wxAppConsole *>(this);

 
 #ifdef __WXDEBUG__
     SetTraceMasks();
 
 #ifdef __WXDEBUG__
     SetTraceMasks();


@@ -157,22 +156,18 @@ wxAppConsoleBase::~wxAppConsoleBase()
 // initilization/cleanup
 // ----------------------------------------------------------------------------
 
 // initilization/cleanup
 // ----------------------------------------------------------------------------
 

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

 {
 #if wxUSE_INTL
     GetTraits()->SetLocale();
 #endif // wxUSE_INTL
 
 {
 #if wxUSE_INTL
     GetTraits()->SetLocale();
 #endif // wxUSE_INTL
 

-    // remember the command line arguments
-    argc = argcOrig;
-    argv = argvOrig;
-

 #if wxUSE_THREADS
     wxPendingEventsLocker = new wxCriticalSection;
 #endif
 
 #ifndef __WXPALMOS__
 #if wxUSE_THREADS
     wxPendingEventsLocker = new wxCriticalSection;
 #endif
 
 #ifndef __WXPALMOS__

-    if ( m_appName.empty() && argv )
+    if ( m_appName.empty() && argv && argv[0] )

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


@@ -284,6 +279,13 @@ wxAppTraits *wxAppConsoleBase::GetTraits()
     return m_traits;
 }
 
     return m_traits;
 }
 

+/* static */
+wxAppTraits *wxAppConsoleBase::GetTraitsIfExists()
+{
+    wxAppConsole * const app = GetInstance();
+    return app ? app->GetTraits() : NULL;
+}
+

 // ----------------------------------------------------------------------------
 // event processing
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // event processing
 // ----------------------------------------------------------------------------


@@ -325,16 +327,13 @@ bool wxAppConsoleBase::Dispatch()
 
 bool wxAppConsoleBase::HasPendingEvents() const
 {
 
 bool wxAppConsoleBase::HasPendingEvents() const
 {

-    // ensure that we're the only thread to modify the pending events list

     wxENTER_CRIT_SECT( *wxPendingEventsLocker );
 
     wxENTER_CRIT_SECT( *wxPendingEventsLocker );
 

-    if ( !wxPendingEvents )
-    {
-        wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
-        return false;
-    }
+    bool has = wxPendingEvents && !wxPendingEvents->IsEmpty();
+

     wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
     wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );

-    return true;
+
+    return has;

 }
 
 /* static */
 }
 
 /* static */


@@ -352,27 +351,27 @@ void wxAppConsoleBase::ProcessPendingEvents()
         return;
 #endif
 
         return;
 #endif
 

-    if ( !HasPendingEvents() )
-        return;
-

     wxENTER_CRIT_SECT( *wxPendingEventsLocker );
 
     wxENTER_CRIT_SECT( *wxPendingEventsLocker );
 

-    // iterate until the list becomes empty
-    wxList::compatibility_iterator node = wxPendingEvents->GetFirst();
-    while (node)
+    if (wxPendingEvents)

     {
     {

-        wxEvtHandler *handler = (wxEvtHandler *)node->GetData();
-        wxPendingEvents->Erase(node);
-
-        // In ProcessPendingEvents(), new handlers might be add
-        // and we can safely leave the critical section here.
-        wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
+        // iterate until the list becomes empty: the handlers remove themselves
+        // from it when they don't have any more pending events
+        wxList::compatibility_iterator node = wxPendingEvents->GetFirst();
+        while (node)
+        {
+            // In ProcessPendingEvents(), new handlers might be add
+            // and we can safely leave the critical section here.
+            wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );

 
 

-        handler->ProcessPendingEvents();
+            wxEvtHandler *handler = (wxEvtHandler *)node->GetData();
+            handler->ProcessPendingEvents();

 
 

-        wxENTER_CRIT_SECT( *wxPendingEventsLocker );
+            wxENTER_CRIT_SECT( *wxPendingEventsLocker );

 
 

-        node = wxPendingEvents->GetFirst();
+            // restart as the iterators could have been invalidated
+            node = wxPendingEvents->GetFirst();
+        }

     }
 
     wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
     }
 
     wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );


@@ -414,12 +413,38 @@ wxAppConsoleBase::HandleEvent(wxEvtHandler *handler,
     (handler->*func)(event);
 }
 
     (handler->*func)(event);
 }
 

+void wxAppConsoleBase::OnUnhandledException()
+{
+#ifdef __WXDEBUG__
+    // we're called from an exception handler so we can re-throw the exception
+    // to recover its type
+    wxString what;
+    try
+    {
+        throw;
+    }
+#if wxUSE_STL
+    catch ( std::exception& e )
+    {
+        what.Printf("std::exception of type \"%s\", what() = \"%s\"",
+                    typeid(e).name(), e.what());
+    }
+#endif // wxUSE_STL
+    catch ( ... )
+    {
+        what = "unknown exception";
+    }
+
+    wxMessageOutputBest().Printf(
+        "*** Caught unhandled %s; terminating\n", what
+    );
+#endif // __WXDEBUG__
+}
+

 // ----------------------------------------------------------------------------
 // exceptions support
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // exceptions support
 // ----------------------------------------------------------------------------
 

-#if wxUSE_EXCEPTIONS
-

 bool wxAppConsoleBase::OnExceptionInMainLoop()
 {
     throw;
 bool wxAppConsoleBase::OnExceptionInMainLoop()
 {
     throw;


@@ -430,9 +455,6 @@ bool wxAppConsoleBase::OnExceptionInMainLoop()
 #endif
 }
 
 #endif
 }
 

-#endif // wxUSE_EXCEPTIONS
-
-

 #endif // wxUSE_EXCEPTIONS
 
 // ----------------------------------------------------------------------------
 #endif // wxUSE_EXCEPTIONS
 
 // ----------------------------------------------------------------------------


@@ -441,7 +463,7 @@ bool wxAppConsoleBase::OnExceptionInMainLoop()
 
 #if wxUSE_CMDLINE_PARSER
 
 
 #if wxUSE_CMDLINE_PARSER
 

-#define OPTION_VERBOSE _T("verbose")
+#define OPTION_VERBOSE "verbose"

 
 void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser)
 {
 
 void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser)
 {


@@ -450,8 +472,8 @@ void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser)
     {
         {
             wxCMD_LINE_SWITCH,
     {
         {
             wxCMD_LINE_SWITCH,

-            _T("h"),
-            _T("help"),
+            "h",
+            "help",

             gettext_noop("show this help message"),
             wxCMD_LINE_VAL_NONE,
             wxCMD_LINE_OPTION_HELP
             gettext_noop("show this help message"),
             wxCMD_LINE_VAL_NONE,
             wxCMD_LINE_OPTION_HELP


@@ -460,7 +482,7 @@ void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser)
 #if wxUSE_LOG
         {
             wxCMD_LINE_SWITCH,
 #if wxUSE_LOG
         {
             wxCMD_LINE_SWITCH,

-            wxEmptyString,
+            NULL,

             OPTION_VERBOSE,
             gettext_noop("generate verbose log messages"),
             wxCMD_LINE_VAL_NONE,
             OPTION_VERBOSE,
             gettext_noop("generate verbose log messages"),
             wxCMD_LINE_VAL_NONE,


@@ -469,14 +491,7 @@ void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser)
 #endif // wxUSE_LOG
 
         // terminator
 #endif // wxUSE_LOG
 
         // terminator

-        {
-            wxCMD_LINE_NONE,
-            wxEmptyString,
-            wxEmptyString,
-            wxEmptyString,
-            wxCMD_LINE_VAL_NONE,
-            0x0
-        }
+        wxCMD_LINE_DESC_END

     };
 
     parser.SetDesc(cmdLineDesc);
     };
 
     parser.SetDesc(cmdLineDesc);


@@ -626,13 +641,6 @@ void wxConsoleAppTraitsBase::RemoveFromPendingDelete(wxObject * WXUNUSED(object)
     // nothing to do
 }
 
     // nothing to do
 }
 

-#if wxUSE_SOCKETS
-GSocketGUIFunctionsTable* wxConsoleAppTraitsBase::GetSocketGUIFunctionsTable()
-{
-    return NULL;
-}
-#endif
-

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


@@ -640,11 +648,40 @@ GSocketGUIFunctionsTable* wxConsoleAppTraitsBase::GetSocketGUIFunctionsTable()
 #if wxUSE_INTL
 void wxAppTraitsBase::SetLocale()
 {
 #if wxUSE_INTL
 void wxAppTraitsBase::SetLocale()
 {

-    setlocale(LC_ALL, "");
+    wxSetlocale(LC_ALL, "");

     wxUpdateLocaleIsUtf8();
 }
 #endif
 
     wxUpdateLocaleIsUtf8();
 }
 #endif
 

+#if wxUSE_THREADS
+void wxMutexGuiEnterImpl();
+void wxMutexGuiLeaveImpl();
+
+void wxAppTraitsBase::MutexGuiEnter()
+{
+    wxMutexGuiEnterImpl();
+}
+
+void wxAppTraitsBase::MutexGuiLeave()
+{
+    wxMutexGuiLeaveImpl();
+}
+
+void WXDLLIMPEXP_BASE wxMutexGuiEnter()
+{
+    wxAppTraits * const traits = wxAppConsoleBase::GetTraitsIfExists();
+    if ( traits )
+        traits->MutexGuiEnter();
+}
+
+void WXDLLIMPEXP_BASE wxMutexGuiLeave()
+{
+    wxAppTraits * const traits = wxAppConsoleBase::GetTraitsIfExists();
+    if ( traits )
+        traits->MutexGuiLeave();
+}
+#endif // wxUSE_THREADS
+

 #ifdef __WXDEBUG__
 
 bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal)
 #ifdef __WXDEBUG__
 
 bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal)


@@ -772,12 +809,6 @@ void wxTrap()
 {
 #if defined(__WXMSW__) && !defined(__WXMICROWIN__)
     DebugBreak();
 {
 #if defined(__WXMSW__) && !defined(__WXMICROWIN__)
     DebugBreak();

-#elif defined(__WXMAC__) && !defined(__DARWIN__)
-    #if __powerc
-        Debugger();
-    #else
-        SysBreak();
-    #endif

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


@@ -795,20 +826,17 @@ static void wxDoOnAssert(const wxString& szFile,
                          const wxString& szMsg = wxEmptyString)
 {
     // FIXME MT-unsafe
                          const wxString& szMsg = wxEmptyString)
 {
     // FIXME MT-unsafe

-    static bool s_bInAssert = false;
+    static int s_bInAssert = 0;

 
 

-    if ( s_bInAssert )
+    wxRecursionGuard guard(s_bInAssert);
+    if ( guard.IsInside() )

     {
     {

-        // He-e-e-e-elp!! we're trapped in endless loop
+        // can't use assert here to avoid infinite loops, so just trap

         wxTrap();
 
         wxTrap();
 

-        s_bInAssert = false;
-

         return;
     }
 
         return;
     }
 

-    s_bInAssert = true;
-

     if ( !wxTheApp )
     {
         // by default, show the assert dialog box -- we can't customize this
     if ( !wxTheApp )
     {
         // by default, show the assert dialog box -- we can't customize this


@@ -822,8 +850,6 @@ static void wxDoOnAssert(const wxString& szFile,
         wxTheApp->OnAssertFailure(szFile.c_str(), nLine, szFunc.c_str(),
                                   szCond.c_str(), szMsg.c_str());
     }
         wxTheApp->OnAssertFailure(szFile.c_str(), nLine, szFunc.c_str(),
                                   szCond.c_str(), szMsg.c_str());
     }

-
-    s_bInAssert = false;

 }
 
 void wxOnAssert(const wxString& szFile,
 }
 
 void wxOnAssert(const wxString& szFile,


@@ -919,6 +945,7 @@ static void LINKAGEMODE SetTraceMasks()
 #endif // wxUSE_LOG
 }
 
 #endif // wxUSE_LOG
 }
 

+static

 bool DoShowAssertDialog(const wxString& msg)
 {
     // under MSW we can show the dialog even in the console mode
 bool DoShowAssertDialog(const wxString& msg)
 {
     // under MSW we can show the dialog even in the console mode


@@ -931,7 +958,7 @@ 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, _T("wxWidgets Debug Alert"),
+    switch ( ::MessageBox(NULL, msgDlg.wx_str(), _T("wxWidgets Debug Alert"),

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


@@ -999,7 +1026,7 @@ void ShowAssertDialog(const wxString& szFile,
 
 #if defined(__WXMSW__) && !defined(__WXMICROWIN__)
         msg << wxT("\r\n");
 
 #if defined(__WXMSW__) && !defined(__WXMICROWIN__)
         msg << wxT("\r\n");

-        OutputDebugString(msg );
+        OutputDebugString(msg.wx_str());

 #else
         // send to stderr
         wxFprintf(stderr, wxT("%s\n"), msg.c_str());
 #else
         // send to stderr
         wxFprintf(stderr, wxT("%s\n"), msg.c_str());