X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1f2f732921b6456c87ab8d180c5bd14456a5b35f..931d6a47c32a5b4c283243cb553ce71ee2b535d5:/src/common/init.cpp diff --git a/src/common/init.cpp b/src/common/init.cpp index 7af0af2157..e00daeb701 100644 --- a/src/common/init.cpp +++ b/src/common/init.cpp @@ -4,7 +4,6 @@ // Author: Vadim Zeitlin // Modified by: // Created: 04.10.99 -// RCS-ID: $Id$ // Copyright: (c) Vadim Zeitlin // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -37,20 +36,27 @@ #include "wx/scopedptr.h" #include "wx/except.h" -#if defined(__WXMSW__) && defined(__WXDEBUG__) +#if defined(__WINDOWS__) + #include "wx/msw/private.h" #include "wx/msw/msvcrt.h" - static struct EnableMemLeakChecking - { - EnableMemLeakChecking() + #ifdef wxCrtSetDbgFlag + static struct EnableMemLeakChecking { - // do check for memory leaks on program exit (another useful flag - // is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free deallocated - // memory which may be used to simulate low-memory condition) - wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF); - } - } gs_enableLeakChecks; -#endif // __WXMSW__ && __WXDEBUG__ + EnableMemLeakChecking() + { + // check for memory leaks on program exit (another useful flag + // is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free deallocated + // memory which may be used to simulate low-memory condition) + wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF); + } + } gs_enableLeakChecks; + #endif // wxCrtSetDbgFlag +#endif // __WINDOWS__ + +#if wxUSE_UNICODE && defined(__WXOSX__) + #include +#endif // ---------------------------------------------------------------------------- // private classes @@ -62,7 +68,7 @@ class wxDummyConsoleApp : public wxAppConsole public: wxDummyConsoleApp() { } - virtual int OnRun() { wxFAIL_MSG( _T("unreachable code") ); return 0; } + virtual int OnRun() { wxFAIL_MSG( wxT("unreachable code") ); return 0; } virtual bool DoYield(bool, long) { return true; } wxDECLARE_NO_COPY_CLASS(wxDummyConsoleApp); @@ -111,14 +117,6 @@ private: wxAppConsole *m_app; }; -// another tiny class which simply exists to ensure that wxEntryCleanup is -// always called -class wxCleanupOnExit -{ -public: - ~wxCleanupOnExit() { wxEntryCleanup(); } -}; - // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- @@ -209,8 +207,7 @@ static void FreeConvertedArgs() free(gs_initData.argv[i]); } - delete [] gs_initData.argv; - gs_initData.argv = NULL; + wxDELETEA(gs_initData.argv); gs_initData.argc = 0; } } @@ -224,18 +221,48 @@ static void FreeConvertedArgs() // initialization which is always done (not customizable) before wxApp creation static bool DoCommonPreInit() { +#if wxUSE_UNICODE && defined(__WXOSX__) + // In OS X and iOS, wchar_t CRT functions convert to char* and fail under + // some locales. The safest fix is to set LC_CTYPE to UTF-8 to ensure that + // they can handle any input. + // + // Note that this must be done for any app, Cocoa or console, whether or + // not it uses wxLocale. + // + // See http://stackoverflow.com/questions/11713745/why-does-the-printf-family-of-functions-care-about-locale + setlocale(LC_CTYPE, "UTF-8"); +#endif // wxUSE_UNICODE && defined(__WXOSX__) + #if wxUSE_LOG // Reset logging in case we were cleaned up and are being reinitialized. wxLog::DoCreateOnDemand(); - // install temporary log sink: we can't use wxLogGui before wxApp is - // constructed and if we use wxLogStderr, all messages during - // initialization simply disappear under Windows + // force wxLog to create a log target now: we do it because wxTheApp + // doesn't exist yet so wxLog will create a special log target which is + // safe to use even when the GUI is not available while without this call + // we could create wxApp in wxEntryStart() below, then log an error about + // e.g. failure to establish connection to the X server and wxLog would + // send it to wxLogGui (because wxTheApp does exist already) which, of + // course, can't be used in this case // - // note that we will delete this log target below - delete wxLog::SetActiveTarget(new wxLogBuffer); + // notice also that this does nothing if the user had set up a custom log + // target before -- which is fine as we want to give him this possibility + // (as it's impossible to override logging by overriding wxAppTraits:: + // CreateLogTarget() before wxApp is created) and we just assume he knows + // what he is doing + wxLog::GetActiveTarget(); #endif // wxUSE_LOG +#ifdef __WINDOWS__ + // GUI applications obtain HINSTANCE in their WinMain() but we also need to + // initialize the global wxhInstance variable for the console programs as + // they may need it too, so set it here if it wasn't done yet + if ( !wxGetInstance() ) + { + wxSetInstance(::GetModuleHandle(NULL)); + } +#endif // __WINDOWS__ + return true; } @@ -250,44 +277,6 @@ static bool DoCommonPostInit() return false; } -#if defined(__WXDEBUG__) - // check if event classes implement Clone() correctly - // NOTE: the check is done against _all_ event classes which are linked to - // the executable currently running, which are not necessarily all - // wxWidgets event classes. - const wxClassInfo *ci = wxClassInfo::GetFirst(); - for (; ci; ci = ci->GetNext()) - { - // is this class derived from wxEvent? - if (!ci->IsKindOf(CLASSINFO(wxEvent)) || wxString(ci->GetClassName()) == "wxEvent") - continue; - - if (!ci->IsDynamic()) - { - wxLogWarning("The event class '%s' should have a DECLARE_DYNAMIC_CLASS macro!", - ci->GetClassName()); - continue; - } - - // yes; test if it implements Clone() correctly - wxEvent* test = wxDynamicCast(ci->CreateObject(),wxEvent); - if (test == NULL) - { - wxLogWarning("The event class '%s' should have a DECLARE_DYNAMIC_CLASS macro!", - ci->GetClassName()); - continue; - } - - wxEvent* cloned = test->Clone(); - if (!cloned || cloned->GetClassInfo() != ci) - wxLogWarning("The event class '%s' does not correctly implement Clone()!", - ci->GetClassName()); - - delete cloned; - delete test; - } -#endif - return true; } @@ -392,14 +381,15 @@ bool wxEntryStart(int& argc, char **argv) static void DoCommonPreCleanup() { #if wxUSE_LOG - // 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 - // wxWidgets GUI function is unsafe starting from now) - wxLog::DontCreateOnDemand(); - - // this will flush the old messages if any - delete wxLog::SetActiveTarget(new wxLogStderr); + // flush the logged messages if any and don't use the current probably + // unsafe log target any more: the default one (wxLogGui) can't be used + // after the resources are freed which happens when we return and the user + // supplied one might be even more unsafe (using any wxWidgets GUI function + // is unsafe starting from now) + // + // notice that wxLog will still recreate a default log target if any + // messages are logged but that one will be safe to use until the very end + delete wxLog::SetActiveTarget(NULL); #endif // wxUSE_LOG } @@ -419,7 +409,18 @@ static void DoCommonPostCleanup() delete wxMessageOutput::Set(NULL); #if wxUSE_LOG + // call this first as it has a side effect: in addition to flushing all + // logs for this thread, it also flushes everything logged from other + // threads + wxLog::FlushActive(); + // and now delete the last logger as well + // + // we still don't disable log target auto-vivification even if any log + // objects created now will result in memory leaks because it seems better + // to leak memory which doesn't matter much considering the application is + // exiting anyhow than to not show messages which could still be logged + // from the user code (e.g. static dtors and such) delete wxLog::SetActiveTarget(NULL); #endif // wxUSE_LOG } @@ -451,14 +452,16 @@ void wxEntryCleanup() // ---------------------------------------------------------------------------- // for MSW the real wxEntry is defined in msw/main.cpp -#ifndef __WXMSW__ +#ifndef __WINDOWS__ #define wxEntryReal wxEntry -#endif // !__WXMSW__ +#endif // !__WINDOWS__ int wxEntryReal(int& argc, wxChar **argv) { // library initialization - if ( !wxEntryStart(argc, argv) ) + wxInitializer initializer(argc, argv); + + if ( !initializer.IsOk() ) { #if wxUSE_LOG // flush any log messages explaining why we failed @@ -467,14 +470,11 @@ int wxEntryReal(int& argc, wxChar **argv) return -1; } - // if wxEntryStart succeeded, we must call wxEntryCleanup even if the code - // below returns or throws - wxCleanupOnExit cleanupOnExit; - - WX_SUPPRESS_UNUSED_WARN(cleanupOnExit); - wxTRY { +#if 0 // defined(__WXOSX__) && wxOSX_USE_COCOA_OR_IPHONE + // everything done in OnRun using native callbacks +#else // app initialization if ( !wxTheApp->CallOnInit() ) { @@ -490,7 +490,7 @@ int wxEntryReal(int& argc, wxChar **argv) } callOnExit; WX_SUPPRESS_UNUSED_WARN(callOnExit); - +#endif // app execution return wxTheApp->OnRun(); } @@ -513,6 +513,11 @@ int wxEntry(int& argc, char **argv) // wxInitialize/wxUninitialize // ---------------------------------------------------------------------------- +bool wxInitialize() +{ + return wxInitialize(0, (wxChar**)NULL); +} + bool wxInitialize(int argc, wxChar **argv) { wxCRIT_SECT_LOCKER(lockInit, gs_initData.csInit); @@ -526,6 +531,21 @@ bool wxInitialize(int argc, wxChar **argv) return wxEntryStart(argc, argv); } +#if wxUSE_UNICODE +bool wxInitialize(int argc, char **argv) +{ + wxCRIT_SECT_LOCKER(lockInit, gs_initData.csInit); + + if ( gs_initData.nInitCount++ ) + { + // already initialized + return true; + } + + return wxEntryStart(argc, argv); +} +#endif // wxUSE_UNICODE + void wxUninitialize() { wxCRIT_SECT_LOCKER(lockInit, gs_initData.csInit);