X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7d9550df507d5522ac76887e5876b314b729ed50..5c475284a2f878f72449fa1e5517052c4e804758:/src/common/appbase.cpp diff --git a/src/common/appbase.cpp b/src/common/appbase.cpp index cf9ad8b1af..5014ca25df 100644 --- 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 -// License: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -25,7 +25,7 @@ #endif #ifndef WX_PRECOMP - #ifdef __WXMSW__ + #ifdef __WINDOWS__ #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/sysopt.h" #include "wx/tokenzr.h" #include "wx/thread.h" -#if wxUSE_EXCEPTIONS && wxUSE_STL - #include - #include -#endif +#if wxUSE_STL + #if wxUSE_EXCEPTIONS + #include + #include + #endif + #if wxUSE_INTL + #include + #endif +#endif // wxUSE_STL -#ifndef __WXPALMOS5__ -#if !defined(__WXMSW__) || defined(__WXMICROWIN__) +#if !defined(__WINDOWS__) || defined(__WXMICROWIN__) #include // for SIGTRAP used by wxTrap() #endif //Win/Unix #include -#endif // ! __WXPALMOS5__ #if wxUSE_FONTMAP #include "wx/fontmap.h" @@ -66,7 +70,7 @@ #if wxDEBUG_LEVEL #if wxUSE_STACKWALKER #include "wx/stackwalk.h" - #ifdef __WXMSW__ + #ifdef __WINDOWS__ #include "wx/msw/debughlp.h" #endif #endif // wxUSE_STACKWALKER @@ -146,14 +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. - delete m_traits; - m_traits = NULL; + wxDELETE(m_traits); #endif #endif + + wxEvtHandler::AddFilter(this); } 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; } @@ -163,17 +174,12 @@ wxAppConsoleBase::~wxAppConsoleBase() bool wxAppConsoleBase::Initialize(int& WXUNUSED(argc), wxChar **WXUNUSED(argv)) { -#if wxUSE_INTL - GetTraits()->SetLocale(); -#endif // wxUSE_INTL - return true; } wxString wxAppConsoleBase::GetAppName() const { wxString name = m_appName; -#ifndef __WXPALMOS__ if ( name.empty() ) { if ( argv ) @@ -182,7 +188,6 @@ wxString wxAppConsoleBase::GetAppName() const wxFileName::SplitPath(argv[0], NULL, &name, NULL); } } -#endif // !__WXPALMOS__ return name; } @@ -209,11 +214,7 @@ wxEventLoopBase *wxAppConsoleBase::CreateMainLoop() void wxAppConsoleBase::CleanUp() { - if ( m_mainLoop ) - { - delete m_mainLoop; - m_mainLoop = NULL; - } + wxDELETE(m_mainLoop); } // ---------------------------------------------------------------------------- @@ -345,8 +346,11 @@ bool wxAppConsoleBase::Dispatch() bool wxAppConsoleBase::Yield(bool onlyIfNeeded) { wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); + if ( loop ) + return loop->Yield(onlyIfNeeded); - return loop && loop->Yield(onlyIfNeeded); + wxScopedPtr tmpLoop(CreateMainLoop()); + return tmpLoop->Yield(onlyIfNeeded); } void wxAppConsoleBase::WakeUpIdle() @@ -370,6 +374,9 @@ bool wxAppConsoleBase::ProcessIdle() wxLog::FlushActive(); #endif + // Garbage collect all objects previously scheduled for destruction. + DeletePendingObjects(); + return event.MoreRequested(); } @@ -395,7 +402,7 @@ bool wxAppConsoleBase::IsMainLoopRunning() int wxAppConsoleBase::FilterEvent(wxEvent& WXUNUSED(event)) { // process the events normally by default - return -1; + return Event_Skip; } void wxAppConsoleBase::DelayPendingEventHandler(wxEvtHandler* toDelay) @@ -509,9 +516,6 @@ void wxAppConsoleBase::ProcessPendingEvents() wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker); } - - // Garbage collect all objects previously scheduled for destruction. - DeletePendingObjects(); } void wxAppConsoleBase::DeletePendingEvents() @@ -535,7 +539,7 @@ void wxAppConsoleBase::DeletePendingEvents() bool wxAppConsoleBase::IsScheduledForDestruction(wxObject *object) const { - return wxPendingDelete.Member(object) != NULL; + return wxPendingDelete.Member(object); } void wxAppConsoleBase::ScheduleForDestruction(wxObject *object) @@ -776,6 +780,18 @@ void wxAppConsoleBase::OnAssert(const wxChar *file, 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 // ============================================================================ @@ -828,14 +844,6 @@ bool wxConsoleAppTraitsBase::HasStderr() // wxAppTraits // ---------------------------------------------------------------------------- -#if wxUSE_INTL -void wxAppTraitsBase::SetLocale() -{ - wxSetlocale(LC_ALL, ""); - wxUpdateLocaleIsUtf8(); -} -#endif - #if wxUSE_THREADS void wxMutexGuiEnterImpl(); void wxMutexGuiLeaveImpl(); @@ -868,22 +876,19 @@ void WXDLLIMPEXP_BASE wxMutexGuiLeave() bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal) { #if wxDEBUG_LEVEL - wxString msg = msgOriginal; + wxString msg; #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 << wxT("\n\nCall stack:\n") << stackTrace; + + wxMessageOutputDebug().Output(msg); + } #endif // wxUSE_STACKWALKER - return DoShowAssertDialog(msg); + return DoShowAssertDialog(msgOriginal + msg); #else // !wxDEBUG_LEVEL wxUnusedVar(msgOriginal); @@ -895,6 +900,15 @@ bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal) 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 @@ -944,7 +958,7 @@ wxString wxAppTraitsBase::GetAssertStackTrace() 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')); @@ -993,12 +1007,23 @@ bool wxAssertIsEqual(int x, int y) return x == y; } +void wxAbort() +{ +#ifdef __WXWINCE__ + ExitThread(3); +#else + abort(); +#endif +} + #if wxDEBUG_LEVEL // break into the debugger +#ifndef 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(); @@ -1009,6 +1034,8 @@ void wxTrap() #endif // Win/Unix } +#endif // wxTrap already defined as a macro + // default assert handler static void wxDefaultAssertHandler(const wxString& file, @@ -1017,6 +1044,10 @@ wxDefaultAssertHandler(const wxString& file, 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; @@ -1154,11 +1185,13 @@ static void LINKAGEMODE SetTraceMasks() #if wxDEBUG_LEVEL +bool wxTrapInAssert = false; + 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 @@ -1168,11 +1201,18 @@ bool DoShowAssertDialog(const wxString& msg) wxT("You can also choose [Cancel] to suppress ") wxT("further warnings."); - switch ( ::MessageBox(NULL, msgDlg.wx_str(), wxT("wxWidgets Debug Alert"), + switch ( ::MessageBox(NULL, msgDlg.t_str(), wxT("wxWidgets Debug Alert"), 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: @@ -1181,15 +1221,11 @@ bool DoShowAssertDialog(const wxString& msg) //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; } @@ -1232,27 +1268,15 @@ void ShowAssertDialog(const wxString& file, // 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 + // log the assert in any case + wxMessageOutputDebug().Output(msg); + if ( !s_bNoAsserts ) { - // send it to the normal log destination - wxLogDebug(wxT("%s"), msg.c_str()); - if ( traits ) { // delegate showing assert dialog (if possible) to that class