X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ce39c39e1fb09f3bc4701e6b147f7b47f8ef2146..12b5f4b4d2d8a07962da7ba3b78c8c1ec2634a67:/src/common/appbase.cpp?ds=inline diff --git a/src/common/appbase.cpp b/src/common/appbase.cpp index 261fd0fa23..740deebb2b 100644 --- a/src/common/appbase.cpp +++ b/src/common/appbase.cpp @@ -1,6 +1,6 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: common/base/appbase.cpp -// Purpose: implements wxAppConsole class +// Name: src/common/appbase.cpp +// Purpose: implements wxAppConsoleBase class // Author: Vadim Zeitlin // Modified by: // Created: 19.06.2003 (extracted from common/appcmn.cpp) @@ -25,44 +25,61 @@ #endif #ifndef WX_PRECOMP + #ifdef __WXMSW__ + #include "wx/msw/wrapwin.h" // includes windows.h for MessageBox() + #endif + #include "wx/list.h" #include "wx/app.h" #include "wx/intl.h" - #include "wx/list.h" - #if wxUSE_LOG - #include "wx/log.h" - #endif // wxUSE_LOG + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/wxcrtvararg.h" #endif //WX_PRECOMP -#include "wx/utils.h" #include "wx/apptrait.h" #include "wx/cmdline.h" #include "wx/confbase.h" +#include "wx/evtloop.h" #include "wx/filename.h" #include "wx/msgout.h" +#include "wx/ptr_scpd.h" #include "wx/tokenzr.h" +#include "wx/thread.h" + +#if wxUSE_EXCEPTIONS && wxUSE_STL + #include + #include +#endif +#ifndef __WXPALMOS5__ #if !defined(__WXMSW__) || defined(__WXMICROWIN__) #include // for SIGTRAP used by wxTrap() #endif //Win/Unix -#if defined(__WXMSW__) - #include "wx/msw/private.h" // includes windows.h for MessageBox() -#endif +#include +#endif // ! __WXPALMOS5__ #if wxUSE_FONTMAP #include "wx/fontmap.h" #endif // wxUSE_FONTMAP -#if defined(__WXMAC__) - // VZ: MacTypes.h is enough under Mac OS X (where I could test it) but - // I don't know which headers are needed under earlier systems so - // include everything when in doubt - #ifdef __DARWIN__ - #include "MacTypes.h" - #else - #include "wx/mac/private.h" // includes mac headers - #endif -#endif // __WXMAC__ +#ifdef __WXDEBUG__ + #if wxUSE_STACKWALKER + #include "wx/stackwalk.h" + #ifdef __WXMSW__ + #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 +// left undefined when compiling the library itself, it is then set to its +// default value in version.h +#if wxABI_VERSION != wxMAJOR_VERSION * 10000 + wxMINOR_VERSION * 100 + 99 +#error "wxABI_VERSION should not be defined when compiling the library" +#endif // ---------------------------------------------------------------------------- // private functions prototypes @@ -75,10 +92,11 @@ // prepare for showing the assert dialog, use the given traits or // DoShowAssertDialog() as last fallback to really show it static - void ShowAssertDialog(const wxChar *szFile, + void ShowAssertDialog(const wxString& szFile, int nLine, - const wxChar *szCond, - const wxChar *szMsg, + const wxString& szFunc, + const wxString& szCond, + const wxString& szMsg, wxAppTraits *traits = NULL); // turn on the trace masks specified in the env variable WXTRACE @@ -89,30 +107,47 @@ // global vars // ---------------------------------------------------------------------------- -wxApp *wxTheApp = NULL; +wxAppConsole *wxAppConsoleBase::ms_appInstance = NULL; + +wxAppInitializerFunction wxAppConsoleBase::ms_appInitFn = NULL; + +wxSocketManager *wxAppTraitsBase::ms_manager = NULL; + +// ---------------------------------------------------------------------------- +// wxEventLoopPtr +// ---------------------------------------------------------------------------- -wxAppInitializerFunction wxAppConsole::ms_appInitFn = NULL; +// this defines wxEventLoopPtr +wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoopBase) // ============================================================================ -// wxAppConsole implementation +// wxAppConsoleBase implementation // ============================================================================ // ---------------------------------------------------------------------------- // ctor/dtor // ---------------------------------------------------------------------------- -wxAppConsole::wxAppConsole() +wxAppConsoleBase::wxAppConsoleBase() { m_traits = NULL; + m_mainLoop = NULL; - wxTheApp = (wxApp *)this; + ms_appInstance = static_cast(this); #ifdef __WXDEBUG__ SetTraceMasks(); +#if wxUSE_UNICODE + // 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; +#endif #endif } -wxAppConsole::~wxAppConsole() +wxAppConsoleBase::~wxAppConsoleBase() { delete m_traits; } @@ -121,30 +156,54 @@ wxAppConsole::~wxAppConsole() // initilization/cleanup // ---------------------------------------------------------------------------- -bool wxAppConsole::Initialize(int& argc, wxChar **argv) +bool wxAppConsoleBase::Initialize(int& WXUNUSED(argc), wxChar **argv) { - // remember the command line arguments - this->argc = argc; - this->argv = argv; +#if wxUSE_INTL + GetTraits()->SetLocale(); +#endif // wxUSE_INTL + +#if wxUSE_THREADS + wxHandlersWithPendingEventsLocker = new wxCriticalSection; +#endif - if ( m_appName.empty() && argv ) +#ifndef __WXPALMOS__ + 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); } +#endif // !__WXPALMOS__ return true; } -void wxAppConsole::CleanUp() +wxEventLoopBase *wxAppConsoleBase::CreateMainLoop() { + return GetTraits()->CreateEventLoop(); +} + +void wxAppConsoleBase::CleanUp() +{ + if ( m_mainLoop ) + { + delete m_mainLoop; + m_mainLoop = NULL; + } + + delete wxHandlersWithPendingEvents; + wxHandlersWithPendingEvents = NULL; + +#if wxUSE_THREADS + delete wxHandlersWithPendingEventsLocker; + wxHandlersWithPendingEventsLocker = NULL; +#endif // wxUSE_THREADS } // ---------------------------------------------------------------------------- // OnXXX() callbacks // ---------------------------------------------------------------------------- -bool wxAppConsole::OnInit() +bool wxAppConsoleBase::OnInit() { #if wxUSE_CMDLINE_PARSER wxCmdLineParser parser(argc, argv); @@ -152,7 +211,7 @@ bool wxAppConsole::OnInit() OnInitCmdLine(parser); bool cont; - switch ( parser.Parse(FALSE /* don't show usage */) ) + switch ( parser.Parse(false /* don't show usage */) ) { case -1: cont = OnCmdLineHelp(parser); @@ -168,46 +227,46 @@ bool wxAppConsole::OnInit() } if ( !cont ) - return FALSE; + return false; #endif // wxUSE_CMDLINE_PARSER - return TRUE; + return true; +} + +int wxAppConsoleBase::OnRun() +{ + return MainLoop(); } -int wxAppConsole::OnExit() +int wxAppConsoleBase::OnExit() { #if wxUSE_CONFIG // delete the config object if any (don't use Get() here, but Set() // because Get() could create a new config object) - delete wxConfigBase::Set((wxConfigBase *) NULL); + delete wxConfigBase::Set(NULL); #endif // wxUSE_CONFIG -#ifdef __WXUNIVERSAL__ - delete wxTheme::Set(NULL); -#endif // __WXUNIVERSAL__ - - // 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); - return 0; } -void wxAppConsole::Exit() +void wxAppConsoleBase::Exit() { - exit(-1); + if (m_mainLoop != NULL) + ExitMainLoop(); + else + exit(-1); } // ---------------------------------------------------------------------------- // traits stuff // ---------------------------------------------------------------------------- -wxAppTraits *wxAppConsole::CreateTraits() +wxAppTraits *wxAppConsoleBase::CreateTraits() { return new wxConsoleAppTraits; } -wxAppTraits *wxAppConsole::GetTraits() +wxAppTraits *wxAppConsoleBase::GetTraits() { // FIXME-MT: protect this with a CS? if ( !m_traits ) @@ -220,86 +279,218 @@ wxAppTraits *wxAppConsole::GetTraits() return m_traits; } -// we must implement CreateXXX() in wxApp itself for backwards compatibility -#if WXWIN_COMPATIBILITY_2_4 +/* static */ +wxAppTraits *wxAppConsoleBase::GetTraitsIfExists() +{ + wxAppConsole * const app = GetInstance(); + return app ? app->GetTraits() : NULL; +} -#if wxUSE_LOG +// ---------------------------------------------------------------------------- +// event processing +// ---------------------------------------------------------------------------- -wxLog *wxAppConsole::CreateLogTarget() +int wxAppConsoleBase::MainLoop() { - wxAppTraits *traits = GetTraits(); - return traits ? traits->CreateLogTarget() : NULL; + wxEventLoopBaseTiedPtr mainLoop(&m_mainLoop, CreateMainLoop()); + + return m_mainLoop ? m_mainLoop->Run() : -1; } -#endif // wxUSE_LOG +void wxAppConsoleBase::ExitMainLoop() +{ + // we should exit from the main event loop, not just any currently active + // (e.g. modal dialog) event loop + if ( m_mainLoop && m_mainLoop->IsRunning() ) + { + m_mainLoop->Exit(0); + } +} -wxMessageOutput *wxAppConsole::CreateMessageOutput() +bool wxAppConsoleBase::Pending() { - wxAppTraits *traits = GetTraits(); - return traits ? traits->CreateMessageOutput() : NULL; + // use the currently active message loop here, not m_mainLoop, because if + // we're showing a modal dialog (with its own event loop) currently the + // main event loop is not running anyhow + wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); + + return loop && loop->Pending(); } -#endif // WXWIN_COMPATIBILITY_2_4 +bool wxAppConsoleBase::Dispatch() +{ + // see comment in Pending() + wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); -// ---------------------------------------------------------------------------- -// event processing -// ---------------------------------------------------------------------------- + return loop && loop->Dispatch(); +} -void wxAppConsole::ProcessPendingEvents() +bool wxAppConsoleBase::HasPendingEvents() const { - // ensure that we're the only thread to modify the pending events list - wxENTER_CRIT_SECT( *wxPendingEventsLocker ); + wxENTER_CRIT_SECT( *wxHandlersWithPendingEventsLocker ); - if ( !wxPendingEvents ) - { - wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); + bool has = wxHandlersWithPendingEvents && !wxHandlersWithPendingEvents->IsEmpty(); + + wxLEAVE_CRIT_SECT( *wxHandlersWithPendingEventsLocker ); + + return has; +} + +/* static */ +bool wxAppConsoleBase::IsMainLoopRunning() +{ + const wxAppConsole * const app = GetInstance(); + + return app && app->m_mainLoop != NULL; +} + +void wxAppConsoleBase::ProcessPendingEvents() +{ +#if wxUSE_THREADS + if ( !wxHandlersWithPendingEventsLocker ) return; - } +#endif - // iterate until the list becomes empty - wxList::compatibility_iterator node = wxPendingEvents->GetFirst(); - while (node) + wxENTER_CRIT_SECT( *wxHandlersWithPendingEventsLocker ); + + if (wxHandlersWithPendingEvents) { - wxEvtHandler *handler = (wxEvtHandler *)node->GetData(); - wxPendingEvents->Erase(node); + // 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 = wxHandlersWithPendingEvents->GetFirst(); + while (node) + { + // In ProcessPendingEvents(), new handlers might be add + // and we can safely leave the critical section here. + wxLEAVE_CRIT_SECT( *wxHandlersWithPendingEventsLocker ); - // In ProcessPendingEvents(), new handlers might be add - // and we can safely leave the critical section here. - wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); - handler->ProcessPendingEvents(); - wxENTER_CRIT_SECT( *wxPendingEventsLocker ); + wxEvtHandler *handler = (wxEvtHandler *)node->GetData(); + handler->ProcessPendingEvents(); - node = wxPendingEvents->GetFirst(); + wxENTER_CRIT_SECT( *wxHandlersWithPendingEventsLocker ); + + // restart as the iterators could have been invalidated + node = wxHandlersWithPendingEvents->GetFirst(); + } } - wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); + wxLEAVE_CRIT_SECT( *wxHandlersWithPendingEventsLocker ); } -int wxAppConsole::FilterEvent(wxEvent& WXUNUSED(event)) +void wxAppConsoleBase::WakeUpIdle() +{ + if ( m_mainLoop ) + m_mainLoop->WakeUp(); +} + +bool wxAppConsoleBase::ProcessIdle() +{ + // process pending wx events before sending idle events + ProcessPendingEvents(); + + wxIdleEvent event; + + event.SetEventObject(this); + ProcessEvent(event); + return event.MoreRequested(); +} + +int wxAppConsoleBase::FilterEvent(wxEvent& WXUNUSED(event)) { // process the events normally by default return -1; } +// ---------------------------------------------------------------------------- +// exception handling +// ---------------------------------------------------------------------------- + +#if wxUSE_EXCEPTIONS + +void +wxAppConsoleBase::HandleEvent(wxEvtHandler *handler, + wxEventFunction func, + wxEvent& event) const +{ + // by default, simply call the handler + (handler->*func)(event); +} + +void wxAppConsoleBase::CallEventHandler(wxEvtHandler *handler, + wxEventFunctor& functor, + wxEvent& event) const +{ + // If the functor holds a method then, for backward compatibility, call + // HandleEvent(): + wxEventFunction eventFunction = functor.GetMethod(); + + if ( eventFunction ) + HandleEvent(handler, eventFunction, event); + else + functor(handler, 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 +// ---------------------------------------------------------------------------- + +bool wxAppConsoleBase::OnExceptionInMainLoop() +{ + throw; + + // some compilers are too stupid to know that we never return after throw +#if defined(__DMC__) || (defined(_MSC_VER) && _MSC_VER < 1200) + return false; +#endif +} + +#endif // wxUSE_EXCEPTIONS + // ---------------------------------------------------------------------------- // cmd line parsing // ---------------------------------------------------------------------------- #if wxUSE_CMDLINE_PARSER -#define OPTION_VERBOSE _T("verbose") -#define OPTION_THEME _T("theme") -#define OPTION_MODE _T("mode") +#define OPTION_VERBOSE "verbose" -void wxAppConsole::OnInitCmdLine(wxCmdLineParser& parser) +void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser) { // the standard command line options static const wxCmdLineEntryDesc cmdLineDesc[] = { { wxCMD_LINE_SWITCH, - _T("h"), - _T("help"), + "h", + "help", gettext_noop("show this help message"), wxCMD_LINE_VAL_NONE, wxCMD_LINE_OPTION_HELP @@ -308,7 +499,7 @@ void wxAppConsole::OnInitCmdLine(wxCmdLineParser& parser) #if wxUSE_LOG { wxCMD_LINE_SWITCH, - _T(""), + NULL, OPTION_VERBOSE, gettext_noop("generate verbose log messages"), wxCMD_LINE_VAL_NONE, @@ -316,102 +507,39 @@ void wxAppConsole::OnInitCmdLine(wxCmdLineParser& parser) }, #endif // wxUSE_LOG -#ifdef __WXUNIVERSAL__ - { - wxCMD_LINE_OPTION, - _T(""), - OPTION_THEME, - gettext_noop("specify the theme to use"), - wxCMD_LINE_VAL_STRING, - 0x0 - }, -#endif // __WXUNIVERSAL__ - -#if defined(__WXMGL__) - // VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports - // should provide this option. That's why it is in common/appcmn.cpp - // and not mgl/app.cpp - { - wxCMD_LINE_OPTION, - _T(""), - OPTION_MODE, - gettext_noop("specify display mode to use (e.g. 640x480-16)"), - wxCMD_LINE_VAL_STRING, - 0x0 - }, -#endif // __WXMGL__ - // terminator - { - wxCMD_LINE_NONE, - _T(""), - _T(""), - _T(""), - wxCMD_LINE_VAL_NONE, - 0x0 - } + wxCMD_LINE_DESC_END }; parser.SetDesc(cmdLineDesc); } -bool wxAppConsole::OnCmdLineParsed(wxCmdLineParser& parser) +bool wxAppConsoleBase::OnCmdLineParsed(wxCmdLineParser& parser) { #if wxUSE_LOG if ( parser.Found(OPTION_VERBOSE) ) { - wxLog::SetVerbose(TRUE); + wxLog::SetVerbose(true); } +#else + wxUnusedVar(parser); #endif // wxUSE_LOG -#ifdef __WXUNIVERSAL__ - wxString themeName; - if ( parser.Found(OPTION_THEME, &themeName) ) - { - wxTheme *theme = wxTheme::Create(themeName); - if ( !theme ) - { - wxLogError(_("Unsupported theme '%s'."), themeName.c_str()); - return FALSE; - } - - // Delete the defaultly created theme and set the new theme. - delete wxTheme::Get(); - wxTheme::Set(theme); - } -#endif // __WXUNIVERSAL__ - -#if defined(__WXMGL__) - wxString modeDesc; - if ( parser.Found(OPTION_MODE, &modeDesc) ) - { - unsigned w, h, bpp; - if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 ) - { - wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str()); - return FALSE; - } - - if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) ) - return FALSE; - } -#endif // __WXMGL__ - - return TRUE; + return true; } -bool wxAppConsole::OnCmdLineHelp(wxCmdLineParser& parser) +bool wxAppConsoleBase::OnCmdLineHelp(wxCmdLineParser& parser) { parser.Usage(); - return FALSE; + return false; } -bool wxAppConsole::OnCmdLineError(wxCmdLineParser& parser) +bool wxAppConsoleBase::OnCmdLineError(wxCmdLineParser& parser) { parser.Usage(); - return FALSE; + return false; } #endif // wxUSE_CMDLINE_PARSER @@ -421,56 +549,51 @@ bool wxAppConsole::OnCmdLineError(wxCmdLineParser& parser) // ---------------------------------------------------------------------------- /* static */ -bool wxAppConsole::CheckBuildOptions(const wxBuildOptions& opts) +bool wxAppConsoleBase::CheckBuildOptions(const char *optionsSignature, + const char *componentName) { -#define wxCMP(what) (what == opts.m_ ## what) - - bool -#ifdef __WXDEBUG__ - isDebug = TRUE; -#else - isDebug = FALSE; +#if 0 // can't use wxLogTrace, not up and running yet + printf("checking build options object '%s' (ptr %p) in '%s'\n", + optionsSignature, optionsSignature, componentName); #endif - int verMaj = wxMAJOR_VERSION, - verMin = wxMINOR_VERSION; - - if ( !(wxCMP(isDebug) && wxCMP(verMaj) && wxCMP(verMin)) ) + if ( strcmp(optionsSignature, WX_BUILD_OPTIONS_SIGNATURE) != 0 ) { + wxString lib = wxString::FromAscii(WX_BUILD_OPTIONS_SIGNATURE); + wxString prog = wxString::FromAscii(optionsSignature); + wxString progName = wxString::FromAscii(componentName); wxString msg; - wxString libDebug, progDebug; - - if (isDebug) - libDebug = wxT("debug"); - else - libDebug = wxT("no debug"); - - if (opts.m_isDebug) - progDebug = wxT("debug"); - else - progDebug = wxT("no debug"); - - msg.Printf(_T("Mismatch between the program and library build versions detected.\nThe library used %d.%d (%s), and your program used %d.%d (%s)."), - verMaj, verMin, libDebug.c_str(), opts.m_verMaj, opts.m_verMin, progDebug.c_str()); - - wxLogFatalError(msg); + + msg.Printf(_T("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()); // normally wxLogFatalError doesn't return - return FALSE; + return false; } #undef wxCMP - return TRUE; + return true; } #ifdef __WXDEBUG__ -void wxAppConsole::OnAssert(const wxChar *file, - int line, - const wxChar *cond, - const wxChar *msg) +void wxAppConsoleBase::OnAssertFailure(const wxChar *file, + int line, + const wxChar *func, + const wxChar *cond, + const wxChar *msg) +{ + ShowAssertDialog(file, line, func, cond, msg, GetTraits()); +} + +void wxAppConsoleBase::OnAssert(const wxChar *file, + int line, + const wxChar *cond, + const wxChar *msg) { - ShowAssertDialog(file, line, cond, msg, m_traits); + OnAssertFailure(file, line, NULL, cond, msg); } #endif // __WXDEBUG__ @@ -506,6 +629,12 @@ wxFontMapper *wxConsoleAppTraitsBase::CreateFontMapper() #endif // wxUSE_FONTMAP +wxRendererNative *wxConsoleAppTraitsBase::CreateRenderer() +{ + // console applications don't use renderers + return NULL; +} + #ifdef __WXDEBUG__ bool wxConsoleAppTraitsBase::ShowAssertDialog(const wxString& msg) { @@ -533,13 +662,129 @@ void wxConsoleAppTraitsBase::RemoveFromPendingDelete(wxObject * WXUNUSED(object) // wxAppTraits // ---------------------------------------------------------------------------- +#if wxUSE_INTL +void wxAppTraitsBase::SetLocale() +{ + wxSetlocale(LC_ALL, ""); + 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& msg) +bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal) { + wxString msg = msgOriginal; + +#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() ) + msg << _T("\n\nCall stack:\n") << stackTrace; +#endif // wxUSE_STACKWALKER + return DoShowAssertDialog(msg); } +#if wxUSE_STACKWALKER +wxString wxAppTraitsBase::GetAssertStackTrace() +{ + wxString stackTrace; + + class StackDump : public wxStackWalker + { + public: + StackDump() { } + + const wxString& GetStackTrace() const { return m_stackTrace; } + + protected: + virtual void OnStackFrame(const wxStackFrame& frame) + { + m_stackTrace << wxString::Format + ( + _T("[%02d] "), + wx_truncate_cast(int, frame.GetLevel()) + ); + + wxString name = frame.GetName(); + if ( !name.empty() ) + { + m_stackTrace << wxString::Format(_T("%-40s"), name.c_str()); + } + else + { + m_stackTrace << wxString::Format(_T("%p"), frame.GetAddress()); + } + + if ( frame.HasSourceLocation() ) + { + m_stackTrace << _T('\t') + << frame.GetFileName() + << _T(':') + << frame.GetLine(); + } + + m_stackTrace << _T('\n'); + } + + private: + wxString m_stackTrace; + }; + + // don't show more than maxLines or we could get a dialog too tall to be + // shown on screen: 20 should be ok everywhere as even with 15 pixel high + // characters it is still only 300 pixels... + static const int maxLines = 20; + + StackDump dump; + dump.Walk(2, maxLines); // don't show OnAssert() call itself + stackTrace = dump.GetStackTrace(); + + const int count = stackTrace.Freq(wxT('\n')); + for ( int i = 0; i < count - maxLines; i++ ) + stackTrace = stackTrace.BeforeLast(wxT('\n')); + + return stackTrace; +} +#endif // wxUSE_STACKWALKER + + #endif // __WXDEBUG__ // ============================================================================ @@ -581,12 +826,8 @@ void wxTrap() { #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__) raise(SIGTRAP); #else @@ -594,52 +835,112 @@ void wxTrap() #endif // Win/Unix } -void wxAssert(int cond, - const wxChar *szFile, - int nLine, - const wxChar *szCond, - const wxChar *szMsg) -{ - if ( !cond ) - wxOnAssert(szFile, nLine, szCond, szMsg); -} - // this function is called when an assert fails -void wxOnAssert(const wxChar *szFile, - int nLine, - const wxChar *szCond, - const wxChar *szMsg) +static void wxDoOnAssert(const wxString& szFile, + int nLine, + const wxString& szFunc, + const wxString& szCond, + 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(); - s_bInAssert = FALSE; - return; } - s_bInAssert = TRUE; - if ( !wxTheApp ) { // by default, show the assert dialog box -- we can't customize this // behaviour - ShowAssertDialog(szFile, nLine, szCond, szMsg); + ShowAssertDialog(szFile, nLine, szFunc, szCond, szMsg); } else { // let the app process it as it wants - wxTheApp->OnAssert(szFile, nLine, szCond, szMsg); + // FIXME-UTF8: use wc_str(), not c_str(), when ANSI build is removed + wxTheApp->OnAssertFailure(szFile.c_str(), nLine, szFunc.c_str(), + szCond.c_str(), szMsg.c_str()); } +} + +void wxOnAssert(const wxString& szFile, + int nLine, + const wxString& szFunc, + const wxString& szCond, + const wxString& szMsg) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond, szMsg); +} + +void wxOnAssert(const wxString& szFile, + int nLine, + const wxString& szFunc, + const wxString& szCond) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond); +} + +void wxOnAssert(const wxChar *szFile, + int nLine, + const char *szFunc, + const wxChar *szCond, + const wxChar *szMsg) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond, szMsg); +} - s_bInAssert = FALSE; +void wxOnAssert(const char *szFile, + int nLine, + const char *szFunc, + const char *szCond, + const wxString& szMsg) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond, szMsg); +} + +void wxOnAssert(const char *szFile, + int nLine, + const char *szFunc, + const char *szCond, + const wxCStrData& msg) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond, msg); } +#if wxUSE_UNICODE +void wxOnAssert(const char *szFile, + int nLine, + const char *szFunc, + const char *szCond) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond); +} + +void wxOnAssert(const char *szFile, + int nLine, + const char *szFunc, + const char *szCond, + const char *szMsg) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond, szMsg); +} + +void wxOnAssert(const char *szFile, + int nLine, + const char *szFunc, + const char *szCond, + const wxChar *szMsg) +{ + wxDoOnAssert(szFile, nLine, szFunc, szCond, szMsg); +} +#endif // wxUSE_UNICODE + #endif // __WXDEBUG__ // ============================================================================ @@ -661,6 +962,7 @@ static void LINKAGEMODE SetTraceMasks() #endif // wxUSE_LOG } +static bool DoShowAssertDialog(const wxString& msg) { // under MSW we can show the dialog even in the console mode @@ -673,7 +975,7 @@ bool DoShowAssertDialog(const wxString& msg) wxT("You can also choose [Cancel] to suppress ") wxT("further warnings."); - switch ( ::MessageBox(NULL, msgDlg, _T("wxWindows Debug Alert"), + switch ( ::MessageBox(NULL, msgDlg.wx_str(), _T("wxWidgets Debug Alert"), MB_YESNOCANCEL | MB_ICONSTOP ) ) { case IDYES: @@ -700,14 +1002,15 @@ bool DoShowAssertDialog(const wxString& msg) // show the assert modal dialog static -void ShowAssertDialog(const wxChar *szFile, +void ShowAssertDialog(const wxString& szFile, int nLine, - const wxChar *szCond, - const wxChar *szMsg, + const wxString& szFunc, + const wxString& szCond, + const wxString& szMsg, wxAppTraits *traits) { // this variable can be set to true to suppress "assert failure" messages - static bool s_bNoAsserts = FALSE; + static bool s_bNoAsserts = false; wxString msg; msg.reserve(2048); @@ -717,7 +1020,12 @@ void ShowAssertDialog(const wxChar *szFile, // the failed assert msg.Printf(wxT("%s(%d): assert \"%s\" failed"), szFile, nLine, szCond); - if ( szMsg ) + // add the function name, if any + if ( !szFunc.empty() ) + msg << _T(" in ") << szFunc << _T("()"); + + // and the message itself + if ( !szMsg.empty() ) { msg << _T(": ") << szMsg; } @@ -735,7 +1043,7 @@ void ShowAssertDialog(const wxChar *szFile, #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()); @@ -744,6 +1052,7 @@ void ShowAssertDialog(const wxChar *szFile, // He-e-e-e-elp!! we're asserting in a child thread wxTrap(); } + else #endif // wxUSE_THREADS if ( !s_bNoAsserts ) @@ -765,4 +1074,3 @@ void ShowAssertDialog(const wxChar *szFile, } #endif // __WXDEBUG__ -