#include "wx/init.h"
#include "wx/thread.h"
-#include "wx/ptr_scpd.h"
+#include "wx/scopedptr.h"
#include "wx/except.h"
-#if defined(__WXMSW__) && defined(__WXDEBUG__)
+#if defined(__WXMSW__)
#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 // __WXMSW__
// ----------------------------------------------------------------------------
// private classes
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; }
- DECLARE_NO_COPY_CLASS(wxDummyConsoleApp)
+ wxDECLARE_NO_COPY_CLASS(wxDummyConsoleApp);
};
// we need a special kind of auto pointer to wxApp which not only deletes the
wxApp::SetInstance(ptr);
}
- DECLARE_NO_COPY_CLASS(wxAppPtr)
+ wxDECLARE_NO_COPY_CLASS(wxAppPtr);
};
// class to ensure that wxAppBase::CleanUp() is called if our Initialize()
wxAppConsole *m_app;
};
-// another tiny class which simply exists to ensure that wxEntryCleanup is
-// always called
-class wxCleanupOnExit
-{
-public:
- ~wxCleanupOnExit() { wxEntryCleanup(); }
-};
-
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
wchar_t **argv;
#endif // wxUSE_UNICODE
- DECLARE_NO_COPY_CLASS(InitData)
+ wxDECLARE_NO_COPY_CLASS(InitData);
} gs_initData;
// ============================================================================
// 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
return true;
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 = dynamic_cast<wxEvent*>(ci->CreateObject());
- 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;
}
// initialize wxRTTI
if ( !DoCommonPreInit() )
- {
return false;
- }
// first of all, we need an application object
// --------------------------------------------
if ( !app->Initialize(argc, argv) )
- {
return false;
- }
// remember, possibly modified (e.g. due to removal of toolkit-specific
// parameters), command line arguments in member variables
app->argc = argc;
app->argv = argv;
-
wxCallAppCleanup callAppCleanup(app.get());
- // for compatibility call the old initialization function too
- if ( !app->OnInitGui() )
- return false;
-
// common initialization after wxTheApp creation
// ---------------------------------------------
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
}
#if wxUSE_LOG
// 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
}
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
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
{
-
// app initialization
if ( !wxTheApp->CallOnInit() )
{
// wxInitialize/wxUninitialize
// ----------------------------------------------------------------------------
+bool wxInitialize()
+{
+ return wxInitialize(0, (wxChar**)NULL);
+}
+
bool wxInitialize(int argc, wxChar **argv)
{
wxCRIT_SECT_LOCKER(lockInit, gs_initData.csInit);
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);
projects / wxWidgets.git / blobdiff