X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/abca8ebff16ef0e95292a5ceb1aa9fc302552c5d..924fe7dabe68c324b6e5005bbe1c4119447867f3:/src/common/init.cpp diff --git a/src/common/init.cpp b/src/common/init.cpp index 69dadc09e0..80e2c7bc5e 100644 --- a/src/common/init.cpp +++ b/src/common/init.cpp @@ -35,6 +35,7 @@ #include "wx/ptr_scpd.h" #include "wx/module.h" +#include "wx/except.h" #if defined(__WXMSW__) && defined(__WXDEBUG__) #include "wx/msw/msvcrt.h" @@ -59,34 +60,40 @@ class wxDummyConsoleApp : public wxAppConsole { public: + wxDummyConsoleApp() { } + virtual int OnRun() { wxFAIL_MSG( _T("unreachable code") ); return 0; } + + DECLARE_NO_COPY_CLASS(wxDummyConsoleApp) }; // we need a special kind of auto pointer to wxApp which not only deletes the -// pointer it holds in its dtor but also resets wxTheApp -wxDECLARE_SCOPED_PTR(wxApp, wxAppPtrBase); -wxDEFINE_SCOPED_PTR(wxApp, wxAppPtrBase); +// pointer it holds in its dtor but also resets the global application pointer +wxDECLARE_SCOPED_PTR(wxAppConsole, wxAppPtrBase); +wxDEFINE_SCOPED_PTR(wxAppConsole, wxAppPtrBase); class wxAppPtr : public wxAppPtrBase { public: - wxEXPLICIT wxAppPtr(wxApp *ptr = NULL) : wxAppPtrBase(ptr) { } + wxEXPLICIT wxAppPtr(wxAppConsole *ptr = NULL) : wxAppPtrBase(ptr) { } ~wxAppPtr() { if ( get() ) { // the pointer is going to be deleted in the base class dtor, don't // leave the dangling pointer! - wxTheApp = NULL; + wxApp::SetInstance(NULL); } } - void Set(wxApp *ptr) + void Set(wxAppConsole *ptr) { reset(ptr); - wxTheApp = ptr; + wxApp::SetInstance(ptr); } + + DECLARE_NO_COPY_CLASS(wxAppPtr) }; // class to ensure that wxAppBase::CleanUp() is called if our Initialize() @@ -94,13 +101,13 @@ public: class wxCallAppCleanup { public: - wxCallAppCleanup(wxApp *app) : m_app(app) { } + wxCallAppCleanup(wxAppConsole *app) : m_app(app) { } ~wxCallAppCleanup() { if ( m_app ) m_app->CleanUp(); } void Dismiss() { m_app = NULL; } private: - wxApp *m_app; + wxAppConsole *m_app; }; // another tiny class which simply exists to ensure that wxEntryCleanup is @@ -111,6 +118,15 @@ public: ~wxCleanupOnExit() { wxEntryCleanup(); } }; +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +// suppress warnings about unused variables +static inline void Use(void *) { } + +#define WX_SUPPRESS_UNUSED_WARN(x) Use(&x) + // ---------------------------------------------------------------------------- // initialization data // ---------------------------------------------------------------------------- @@ -141,8 +157,10 @@ static struct InitData // them to Unicode ourselves (this is the case under Unix but not Windows, // for example), we remember the converted argv here because we'll have to // free it when doing cleanup to avoid memory leaks - wchar_t *argv; + wchar_t **argv; #endif // wxUSE_UNICODE + + DECLARE_NO_COPY_CLASS(InitData) } gs_initData; // ============================================================================ @@ -163,14 +181,22 @@ static void ConvertArgsToUnicode(int argc, char **argv) gs_initData.argv[i] = wxStrdup(wxConvLocal.cMB2WX(argv[i])); } + gs_initData.argc = argc; gs_initData.argv[argc] = NULL; } static void FreeConvertedArgs() { - for ( int mb_argc = 0; mb_argc < wxTheApp->argc; mb_argc++ ) + if ( gs_initData.argv ) { - free(wxTheApp->argv[mb_argc]); + for ( int i = 0; i < gs_initData.argc; i++ ) + { + free(gs_initData.argv[i]); + } + + delete [] gs_initData.argv; + gs_initData.argv = NULL; + gs_initData.argc = 0; } } @@ -183,8 +209,6 @@ static void FreeConvertedArgs() // initialization which is always done (not customizable) before wxApp creation static bool DoCommonPreInit() { - wxClassInfo::InitializeClasses(); - return true; } @@ -230,25 +254,22 @@ bool wxEntryStart(int& argc, wxChar **argv) { // either IMPLEMENT_APP() was not used at all or it failed -- in any // case we still need something - // - // NB: cast is needed because for the backwards-compatibility reasons - // wxTheApp is really a wxApp and not just wxAppConsole... - app.Set((wxApp *)new wxDummyConsoleApp); + app.Set(new wxDummyConsoleApp); } // wxApp initialization: this can be customized // -------------------------------------------- - if ( !wxTheApp->Initialize(argc, argv) ) + if ( !app->Initialize(argc, argv) ) { return false; } - wxCallAppCleanup callAppCleanup(wxTheApp); + wxCallAppCleanup callAppCleanup(app.get()); // for compatibility call the old initialization function too - if ( !wxTheApp->OnInitGui() ) + if ( !app->OnInitGui() ) return false; @@ -298,20 +319,20 @@ static void DoCommonPreCleanup() // flush the logged messages if any and install a 'safer' log target: the // default one (wxLogGui) can't be used after the resources are freed just // below and the user supplied one might be even more unsafe (using any - // wxWindows GUI function is unsafe starting from now) + // wxWidgets GUI function is unsafe starting from now) wxLog::DontCreateOnDemand(); // 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() { - wxClassInfo::CleanUpClasses(); + wxModule::CleanUpModules(); + + wxClassInfo::CleanUp(); // we can't do this in wxApp itself because it doesn't know if argv had // been allocated @@ -319,6 +340,7 @@ static void DoCommonPostCleanup() FreeConvertedArgs(); #endif // wxUSE_UNICODE + // Note: check for memory leaks is now done via wxDebugContextDumpDelayCounter #if wxUSE_LOG // and now delete the last logger as well delete wxLog::SetActiveTarget(NULL); @@ -336,22 +358,11 @@ void wxEntryCleanup() wxTheApp->CleanUp(); delete wxTheApp; - wxTheApp = NULL; + wxApp::SetInstance(NULL); } DoCommonPostCleanup(); - - // check for memory leaks -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - if (wxDebugContext::CountObjectsLeft(TRUE) > 0) - { - wxLogDebug(wxT("There were memory leaks.\n")); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); - } -#endif // Debug - } // ---------------------------------------------------------------------------- @@ -374,42 +385,43 @@ int wxEntryReal(int& argc, wxChar **argv) // below returns or throws wxCleanupOnExit cleanupOnExit; - // app initialization - if ( !wxTheApp->OnInit() ) - { - // don't call OnExit() if OnInit() failed - return -1; - } - - // app execution - int retValue = wxTheApp->OnRun(); + WX_SUPPRESS_UNUSED_WARN(cleanupOnExit); - // why should we do this? it doesn't close all window, just one of them and - // this shouldn't be necessary anyhow... -#if 0 - // close any remaining windows - wxWindow *topWindow = wxTheApp->GetTopWindow(); - if ( topWindow ) + wxTRY { - // forcibly delete the window. - topWindow->Destroy(); - // collect the dead objects - wxTheApp->DeletePendingObjects(); - } -#endif // 0 + // app initialization + if ( !wxTheApp->CallOnInit() ) + { + // don't call OnExit() if OnInit() failed + return -1; + } + + // ensure that OnExit() is called if OnInit() had succeeded + class CallOnExit + { + public: + ~CallOnExit() { wxTheApp->OnExit(); } + } callOnExit; - // app clean up - wxTheApp->OnExit(); + WX_SUPPRESS_UNUSED_WARN(callOnExit); - return retValue; + // app execution + return wxTheApp->OnRun(); + } + 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 -extern unsigned long wxGlobalSEHandler(); +#ifdef __WXWINCE__ +// For ExitThread +#include "wx/msw/private.h" +#endif + +extern unsigned long wxGlobalSEHandler(EXCEPTION_POINTERS *pExcPtrs); int wxEntry(int& argc, wxChar **argv) { @@ -417,12 +429,19 @@ int wxEntry(int& argc, wxChar **argv) { return wxEntryReal(argc, argv); } - __except ( wxGlobalSEHandler() ) + __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 } }