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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/common/appbase.cpp | |
3 | // Purpose: implements wxAppConsoleBase class | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 19.06.2003 (extracted from common/appcmn.cpp) | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org> | |
9 | // Licence: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | // for compilers that support precompilation, includes "wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
27 | #ifndef WX_PRECOMP | |
28 | #ifdef __WINDOWS__ | |
29 | #include "wx/msw/wrapwin.h" // includes windows.h for MessageBox() | |
30 | #endif | |
31 | #include "wx/list.h" | |
32 | #include "wx/app.h" | |
33 | #include "wx/intl.h" | |
34 | #include "wx/log.h" | |
35 | #include "wx/utils.h" | |
36 | #include "wx/wxcrtvararg.h" | |
37 | #endif //WX_PRECOMP | |
38 | ||
39 | #include "wx/apptrait.h" | |
40 | #include "wx/cmdline.h" | |
41 | #include "wx/confbase.h" | |
42 | #include "wx/evtloop.h" | |
43 | #include "wx/filename.h" | |
44 | #include "wx/msgout.h" | |
45 | #include "wx/scopedptr.h" | |
46 | #include "wx/sysopt.h" | |
47 | #include "wx/tokenzr.h" | |
48 | #include "wx/thread.h" | |
49 | ||
50 | #if wxUSE_EXCEPTIONS && wxUSE_STL | |
51 | #include <exception> | |
52 | #include <typeinfo> | |
53 | #endif | |
54 | ||
55 | #if !defined(__WINDOWS__) || defined(__WXMICROWIN__) | |
56 | #include <signal.h> // for SIGTRAP used by wxTrap() | |
57 | #endif //Win/Unix | |
58 | ||
59 | #include <locale.h> | |
60 | ||
61 | #if wxUSE_FONTMAP | |
62 | #include "wx/fontmap.h" | |
63 | #endif // wxUSE_FONTMAP | |
64 | ||
65 | #if wxDEBUG_LEVEL | |
66 | #if wxUSE_STACKWALKER | |
67 | #include "wx/stackwalk.h" | |
68 | #ifdef __WINDOWS__ | |
69 | #include "wx/msw/debughlp.h" | |
70 | #endif | |
71 | #endif // wxUSE_STACKWALKER | |
72 | ||
73 | #include "wx/recguard.h" | |
74 | #endif // wxDEBUG_LEVEL | |
75 | ||
76 | // wxABI_VERSION can be defined when compiling applications but it should be | |
77 | // left undefined when compiling the library itself, it is then set to its | |
78 | // default value in version.h | |
79 | #if wxABI_VERSION != wxMAJOR_VERSION * 10000 + wxMINOR_VERSION * 100 + 99 | |
80 | #error "wxABI_VERSION should not be defined when compiling the library" | |
81 | #endif | |
82 | ||
83 | // ---------------------------------------------------------------------------- | |
84 | // private functions prototypes | |
85 | // ---------------------------------------------------------------------------- | |
86 | ||
87 | #if wxDEBUG_LEVEL | |
88 | // really just show the assert dialog | |
89 | static bool DoShowAssertDialog(const wxString& msg); | |
90 | ||
91 | // prepare for showing the assert dialog, use the given traits or | |
92 | // DoShowAssertDialog() as last fallback to really show it | |
93 | static | |
94 | void ShowAssertDialog(const wxString& file, | |
95 | int line, | |
96 | const wxString& func, | |
97 | const wxString& cond, | |
98 | const wxString& msg, | |
99 | wxAppTraits *traits = NULL); | |
100 | #endif // wxDEBUG_LEVEL | |
101 | ||
102 | #ifdef __WXDEBUG__ | |
103 | // turn on the trace masks specified in the env variable WXTRACE | |
104 | static void LINKAGEMODE SetTraceMasks(); | |
105 | #endif // __WXDEBUG__ | |
106 | ||
107 | // ---------------------------------------------------------------------------- | |
108 | // global vars | |
109 | // ---------------------------------------------------------------------------- | |
110 | ||
111 | wxAppConsole *wxAppConsoleBase::ms_appInstance = NULL; | |
112 | ||
113 | wxAppInitializerFunction wxAppConsoleBase::ms_appInitFn = NULL; | |
114 | ||
115 | wxSocketManager *wxAppTraitsBase::ms_manager = NULL; | |
116 | ||
117 | WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete; | |
118 | ||
119 | // ---------------------------------------------------------------------------- | |
120 | // wxEventLoopPtr | |
121 | // ---------------------------------------------------------------------------- | |
122 | ||
123 | // this defines wxEventLoopPtr | |
124 | wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoopBase) | |
125 | ||
126 | // ============================================================================ | |
127 | // wxAppConsoleBase implementation | |
128 | // ============================================================================ | |
129 | ||
130 | // ---------------------------------------------------------------------------- | |
131 | // ctor/dtor | |
132 | // ---------------------------------------------------------------------------- | |
133 | ||
134 | wxAppConsoleBase::wxAppConsoleBase() | |
135 | { | |
136 | m_traits = NULL; | |
137 | m_mainLoop = NULL; | |
138 | m_bDoPendingEventProcessing = true; | |
139 | ||
140 | ms_appInstance = static_cast<wxAppConsole *>(this); | |
141 | ||
142 | #ifdef __WXDEBUG__ | |
143 | SetTraceMasks(); | |
144 | #if wxUSE_UNICODE | |
145 | // In unicode mode the SetTraceMasks call can cause an apptraits to be | |
146 | // created, but since we are still in the constructor the wrong kind will | |
147 | // be created for GUI apps. Destroy it so it can be created again later. | |
148 | wxDELETE(m_traits); | |
149 | #endif | |
150 | #endif | |
151 | ||
152 | wxEvtHandler::AddFilter(this); | |
153 | } | |
154 | ||
155 | wxAppConsoleBase::~wxAppConsoleBase() | |
156 | { | |
157 | wxEvtHandler::RemoveFilter(this); | |
158 | ||
159 | // we're being destroyed and using this object from now on may not work or | |
160 | // even crash so don't leave dangling pointers to it | |
161 | ms_appInstance = NULL; | |
162 | ||
163 | delete m_traits; | |
164 | } | |
165 | ||
166 | // ---------------------------------------------------------------------------- | |
167 | // initialization/cleanup | |
168 | // ---------------------------------------------------------------------------- | |
169 | ||
170 | bool wxAppConsoleBase::Initialize(int& WXUNUSED(argc), wxChar **WXUNUSED(argv)) | |
171 | { | |
172 | #if wxUSE_INTL | |
173 | GetTraits()->SetLocale(); | |
174 | #endif // wxUSE_INTL | |
175 | ||
176 | return true; | |
177 | } | |
178 | ||
179 | wxString wxAppConsoleBase::GetAppName() const | |
180 | { | |
181 | wxString name = m_appName; | |
182 | if ( name.empty() ) | |
183 | { | |
184 | if ( argv ) | |
185 | { | |
186 | // the application name is, by default, the name of its executable file | |
187 | wxFileName::SplitPath(argv[0], NULL, &name, NULL); | |
188 | } | |
189 | } | |
190 | return name; | |
191 | } | |
192 | ||
193 | wxString wxAppConsoleBase::GetAppDisplayName() const | |
194 | { | |
195 | // use the explicitly provided display name, if any | |
196 | if ( !m_appDisplayName.empty() ) | |
197 | return m_appDisplayName; | |
198 | ||
199 | // if the application name was explicitly set, use it as is as capitalizing | |
200 | // it won't always produce good results | |
201 | if ( !m_appName.empty() ) | |
202 | return m_appName; | |
203 | ||
204 | // if neither is set, use the capitalized version of the program file as | |
205 | // it's the most reasonable default | |
206 | return GetAppName().Capitalize(); | |
207 | } | |
208 | ||
209 | wxEventLoopBase *wxAppConsoleBase::CreateMainLoop() | |
210 | { | |
211 | return GetTraits()->CreateEventLoop(); | |
212 | } | |
213 | ||
214 | void wxAppConsoleBase::CleanUp() | |
215 | { | |
216 | wxDELETE(m_mainLoop); | |
217 | } | |
218 | ||
219 | // ---------------------------------------------------------------------------- | |
220 | // OnXXX() callbacks | |
221 | // ---------------------------------------------------------------------------- | |
222 | ||
223 | bool wxAppConsoleBase::OnInit() | |
224 | { | |
225 | #if wxUSE_CMDLINE_PARSER | |
226 | wxCmdLineParser parser(argc, argv); | |
227 | ||
228 | OnInitCmdLine(parser); | |
229 | ||
230 | bool cont; | |
231 | switch ( parser.Parse(false /* don't show usage */) ) | |
232 | { | |
233 | case -1: | |
234 | cont = OnCmdLineHelp(parser); | |
235 | break; | |
236 | ||
237 | case 0: | |
238 | cont = OnCmdLineParsed(parser); | |
239 | break; | |
240 | ||
241 | default: | |
242 | cont = OnCmdLineError(parser); | |
243 | break; | |
244 | } | |
245 | ||
246 | if ( !cont ) | |
247 | return false; | |
248 | #endif // wxUSE_CMDLINE_PARSER | |
249 | ||
250 | return true; | |
251 | } | |
252 | ||
253 | int wxAppConsoleBase::OnRun() | |
254 | { | |
255 | return MainLoop(); | |
256 | } | |
257 | ||
258 | int wxAppConsoleBase::OnExit() | |
259 | { | |
260 | #if wxUSE_CONFIG | |
261 | // delete the config object if any (don't use Get() here, but Set() | |
262 | // because Get() could create a new config object) | |
263 | delete wxConfigBase::Set(NULL); | |
264 | #endif // wxUSE_CONFIG | |
265 | ||
266 | return 0; | |
267 | } | |
268 | ||
269 | void wxAppConsoleBase::Exit() | |
270 | { | |
271 | if (m_mainLoop != NULL) | |
272 | ExitMainLoop(); | |
273 | else | |
274 | exit(-1); | |
275 | } | |
276 | ||
277 | // ---------------------------------------------------------------------------- | |
278 | // traits stuff | |
279 | // ---------------------------------------------------------------------------- | |
280 | ||
281 | wxAppTraits *wxAppConsoleBase::CreateTraits() | |
282 | { | |
283 | return new wxConsoleAppTraits; | |
284 | } | |
285 | ||
286 | wxAppTraits *wxAppConsoleBase::GetTraits() | |
287 | { | |
288 | // FIXME-MT: protect this with a CS? | |
289 | if ( !m_traits ) | |
290 | { | |
291 | m_traits = CreateTraits(); | |
292 | ||
293 | wxASSERT_MSG( m_traits, wxT("wxApp::CreateTraits() failed?") ); | |
294 | } | |
295 | ||
296 | return m_traits; | |
297 | } | |
298 | ||
299 | /* static */ | |
300 | wxAppTraits *wxAppConsoleBase::GetTraitsIfExists() | |
301 | { | |
302 | wxAppConsole * const app = GetInstance(); | |
303 | return app ? app->GetTraits() : NULL; | |
304 | } | |
305 | ||
306 | // ---------------------------------------------------------------------------- | |
307 | // wxEventLoop redirection | |
308 | // ---------------------------------------------------------------------------- | |
309 | ||
310 | int wxAppConsoleBase::MainLoop() | |
311 | { | |
312 | wxEventLoopBaseTiedPtr mainLoop(&m_mainLoop, CreateMainLoop()); | |
313 | ||
314 | return m_mainLoop ? m_mainLoop->Run() : -1; | |
315 | } | |
316 | ||
317 | void wxAppConsoleBase::ExitMainLoop() | |
318 | { | |
319 | // we should exit from the main event loop, not just any currently active | |
320 | // (e.g. modal dialog) event loop | |
321 | if ( m_mainLoop && m_mainLoop->IsRunning() ) | |
322 | { | |
323 | m_mainLoop->Exit(0); | |
324 | } | |
325 | } | |
326 | ||
327 | bool wxAppConsoleBase::Pending() | |
328 | { | |
329 | // use the currently active message loop here, not m_mainLoop, because if | |
330 | // we're showing a modal dialog (with its own event loop) currently the | |
331 | // main event loop is not running anyhow | |
332 | wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); | |
333 | ||
334 | return loop && loop->Pending(); | |
335 | } | |
336 | ||
337 | bool wxAppConsoleBase::Dispatch() | |
338 | { | |
339 | // see comment in Pending() | |
340 | wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); | |
341 | ||
342 | return loop && loop->Dispatch(); | |
343 | } | |
344 | ||
345 | bool wxAppConsoleBase::Yield(bool onlyIfNeeded) | |
346 | { | |
347 | wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); | |
348 | if ( loop ) | |
349 | return loop->Yield(onlyIfNeeded); | |
350 | ||
351 | wxScopedPtr<wxEventLoopBase> tmpLoop(CreateMainLoop()); | |
352 | return tmpLoop->Yield(onlyIfNeeded); | |
353 | } | |
354 | ||
355 | void wxAppConsoleBase::WakeUpIdle() | |
356 | { | |
357 | wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); | |
358 | ||
359 | if ( loop ) | |
360 | loop->WakeUp(); | |
361 | } | |
362 | ||
363 | bool wxAppConsoleBase::ProcessIdle() | |
364 | { | |
365 | // synthesize an idle event and check if more of them are needed | |
366 | wxIdleEvent event; | |
367 | event.SetEventObject(this); | |
368 | ProcessEvent(event); | |
369 | ||
370 | #if wxUSE_LOG | |
371 | // flush the logged messages if any (do this after processing the events | |
372 | // which could have logged new messages) | |
373 | wxLog::FlushActive(); | |
374 | #endif | |
375 | ||
376 | // Garbage collect all objects previously scheduled for destruction. | |
377 | DeletePendingObjects(); | |
378 | ||
379 | return event.MoreRequested(); | |
380 | } | |
381 | ||
382 | bool wxAppConsoleBase::UsesEventLoop() const | |
383 | { | |
384 | // in console applications we don't know whether we're going to have an | |
385 | // event loop so assume we won't -- unless we already have one running | |
386 | return wxEventLoopBase::GetActive() != NULL; | |
387 | } | |
388 | ||
389 | // ---------------------------------------------------------------------------- | |
390 | // events | |
391 | // ---------------------------------------------------------------------------- | |
392 | ||
393 | /* static */ | |
394 | bool wxAppConsoleBase::IsMainLoopRunning() | |
395 | { | |
396 | const wxAppConsole * const app = GetInstance(); | |
397 | ||
398 | return app && app->m_mainLoop != NULL; | |
399 | } | |
400 | ||
401 | int wxAppConsoleBase::FilterEvent(wxEvent& WXUNUSED(event)) | |
402 | { | |
403 | // process the events normally by default | |
404 | return Event_Skip; | |
405 | } | |
406 | ||
407 | void wxAppConsoleBase::DelayPendingEventHandler(wxEvtHandler* toDelay) | |
408 | { | |
409 | wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
410 | ||
411 | // move the handler from the list of handlers with processable pending events | |
412 | // to the list of handlers with pending events which needs to be processed later | |
413 | m_handlersWithPendingEvents.Remove(toDelay); | |
414 | ||
415 | if (m_handlersWithPendingDelayedEvents.Index(toDelay) == wxNOT_FOUND) | |
416 | m_handlersWithPendingDelayedEvents.Add(toDelay); | |
417 | ||
418 | wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
419 | } | |
420 | ||
421 | void wxAppConsoleBase::RemovePendingEventHandler(wxEvtHandler* toRemove) | |
422 | { | |
423 | wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
424 | ||
425 | if (m_handlersWithPendingEvents.Index(toRemove) != wxNOT_FOUND) | |
426 | { | |
427 | m_handlersWithPendingEvents.Remove(toRemove); | |
428 | ||
429 | // check that the handler was present only once in the list | |
430 | wxASSERT_MSG( m_handlersWithPendingEvents.Index(toRemove) == wxNOT_FOUND, | |
431 | "Handler occurs twice in the m_handlersWithPendingEvents list!" ); | |
432 | } | |
433 | //else: it wasn't in this list at all, it's ok | |
434 | ||
435 | if (m_handlersWithPendingDelayedEvents.Index(toRemove) != wxNOT_FOUND) | |
436 | { | |
437 | m_handlersWithPendingDelayedEvents.Remove(toRemove); | |
438 | ||
439 | // check that the handler was present only once in the list | |
440 | wxASSERT_MSG( m_handlersWithPendingDelayedEvents.Index(toRemove) == wxNOT_FOUND, | |
441 | "Handler occurs twice in m_handlersWithPendingDelayedEvents list!" ); | |
442 | } | |
443 | //else: it wasn't in this list at all, it's ok | |
444 | ||
445 | wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
446 | } | |
447 | ||
448 | void wxAppConsoleBase::AppendPendingEventHandler(wxEvtHandler* toAppend) | |
449 | { | |
450 | wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
451 | ||
452 | if ( m_handlersWithPendingEvents.Index(toAppend) == wxNOT_FOUND ) | |
453 | m_handlersWithPendingEvents.Add(toAppend); | |
454 | ||
455 | wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
456 | } | |
457 | ||
458 | bool wxAppConsoleBase::HasPendingEvents() const | |
459 | { | |
460 | wxENTER_CRIT_SECT(const_cast<wxAppConsoleBase*>(this)->m_handlersWithPendingEventsLocker); | |
461 | ||
462 | bool has = !m_handlersWithPendingEvents.IsEmpty(); | |
463 | ||
464 | wxLEAVE_CRIT_SECT(const_cast<wxAppConsoleBase*>(this)->m_handlersWithPendingEventsLocker); | |
465 | ||
466 | return has; | |
467 | } | |
468 | ||
469 | void wxAppConsoleBase::SuspendProcessingOfPendingEvents() | |
470 | { | |
471 | m_bDoPendingEventProcessing = false; | |
472 | } | |
473 | ||
474 | void wxAppConsoleBase::ResumeProcessingOfPendingEvents() | |
475 | { | |
476 | m_bDoPendingEventProcessing = true; | |
477 | } | |
478 | ||
479 | void wxAppConsoleBase::ProcessPendingEvents() | |
480 | { | |
481 | if ( m_bDoPendingEventProcessing ) | |
482 | { | |
483 | wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
484 | ||
485 | wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(), | |
486 | "this helper list should be empty" ); | |
487 | ||
488 | // iterate until the list becomes empty: the handlers remove themselves | |
489 | // from it when they don't have any more pending events | |
490 | while (!m_handlersWithPendingEvents.IsEmpty()) | |
491 | { | |
492 | // In ProcessPendingEvents(), new handlers might be added | |
493 | // and we can safely leave the critical section here. | |
494 | wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
495 | ||
496 | // NOTE: we always call ProcessPendingEvents() on the first event handler | |
497 | // with pending events because handlers auto-remove themselves | |
498 | // from this list (see RemovePendingEventHandler) if they have no | |
499 | // more pending events. | |
500 | m_handlersWithPendingEvents[0]->ProcessPendingEvents(); | |
501 | ||
502 | wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
503 | } | |
504 | ||
505 | // now the wxHandlersWithPendingEvents is surely empty; however some event | |
506 | // handlers may have moved themselves into wxHandlersWithPendingDelayedEvents | |
507 | // because of a selective wxYield call in progress. | |
508 | // Now we need to move them back to wxHandlersWithPendingEvents so the next | |
509 | // call to this function has the chance of processing them: | |
510 | if (!m_handlersWithPendingDelayedEvents.IsEmpty()) | |
511 | { | |
512 | WX_APPEND_ARRAY(m_handlersWithPendingEvents, m_handlersWithPendingDelayedEvents); | |
513 | m_handlersWithPendingDelayedEvents.Clear(); | |
514 | } | |
515 | ||
516 | wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
517 | } | |
518 | } | |
519 | ||
520 | void wxAppConsoleBase::DeletePendingEvents() | |
521 | { | |
522 | wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
523 | ||
524 | wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(), | |
525 | "this helper list should be empty" ); | |
526 | ||
527 | for (unsigned int i=0; i<m_handlersWithPendingEvents.GetCount(); i++) | |
528 | m_handlersWithPendingEvents[i]->DeletePendingEvents(); | |
529 | ||
530 | m_handlersWithPendingEvents.Clear(); | |
531 | ||
532 | wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker); | |
533 | } | |
534 | ||
535 | // ---------------------------------------------------------------------------- | |
536 | // delayed objects destruction | |
537 | // ---------------------------------------------------------------------------- | |
538 | ||
539 | bool wxAppConsoleBase::IsScheduledForDestruction(wxObject *object) const | |
540 | { | |
541 | return wxPendingDelete.Member(object); | |
542 | } | |
543 | ||
544 | void wxAppConsoleBase::ScheduleForDestruction(wxObject *object) | |
545 | { | |
546 | if ( !UsesEventLoop() ) | |
547 | { | |
548 | // we won't be able to delete it later so do it right now | |
549 | delete object; | |
550 | return; | |
551 | } | |
552 | //else: we either already have or will soon start an event loop | |
553 | ||
554 | if ( !wxPendingDelete.Member(object) ) | |
555 | wxPendingDelete.Append(object); | |
556 | } | |
557 | ||
558 | void wxAppConsoleBase::DeletePendingObjects() | |
559 | { | |
560 | wxList::compatibility_iterator node = wxPendingDelete.GetFirst(); | |
561 | while (node) | |
562 | { | |
563 | wxObject *obj = node->GetData(); | |
564 | ||
565 | // remove it from the list first so that if we get back here somehow | |
566 | // during the object deletion (e.g. wxYield called from its dtor) we | |
567 | // wouldn't try to delete it the second time | |
568 | if ( wxPendingDelete.Member(obj) ) | |
569 | wxPendingDelete.Erase(node); | |
570 | ||
571 | delete obj; | |
572 | ||
573 | // Deleting one object may have deleted other pending | |
574 | // objects, so start from beginning of list again. | |
575 | node = wxPendingDelete.GetFirst(); | |
576 | } | |
577 | } | |
578 | ||
579 | // ---------------------------------------------------------------------------- | |
580 | // exception handling | |
581 | // ---------------------------------------------------------------------------- | |
582 | ||
583 | #if wxUSE_EXCEPTIONS | |
584 | ||
585 | void | |
586 | wxAppConsoleBase::HandleEvent(wxEvtHandler *handler, | |
587 | wxEventFunction func, | |
588 | wxEvent& event) const | |
589 | { | |
590 | // by default, simply call the handler | |
591 | (handler->*func)(event); | |
592 | } | |
593 | ||
594 | void wxAppConsoleBase::CallEventHandler(wxEvtHandler *handler, | |
595 | wxEventFunctor& functor, | |
596 | wxEvent& event) const | |
597 | { | |
598 | // If the functor holds a method then, for backward compatibility, call | |
599 | // HandleEvent(): | |
600 | wxEventFunction eventFunction = functor.GetEvtMethod(); | |
601 | ||
602 | if ( eventFunction ) | |
603 | HandleEvent(handler, eventFunction, event); | |
604 | else | |
605 | functor(handler, event); | |
606 | } | |
607 | ||
608 | void wxAppConsoleBase::OnUnhandledException() | |
609 | { | |
610 | #ifdef __WXDEBUG__ | |
611 | // we're called from an exception handler so we can re-throw the exception | |
612 | // to recover its type | |
613 | wxString what; | |
614 | try | |
615 | { | |
616 | throw; | |
617 | } | |
618 | #if wxUSE_STL | |
619 | catch ( std::exception& e ) | |
620 | { | |
621 | what.Printf("std::exception of type \"%s\", what() = \"%s\"", | |
622 | typeid(e).name(), e.what()); | |
623 | } | |
624 | #endif // wxUSE_STL | |
625 | catch ( ... ) | |
626 | { | |
627 | what = "unknown exception"; | |
628 | } | |
629 | ||
630 | wxMessageOutputBest().Printf( | |
631 | "*** Caught unhandled %s; terminating\n", what | |
632 | ); | |
633 | #endif // __WXDEBUG__ | |
634 | } | |
635 | ||
636 | // ---------------------------------------------------------------------------- | |
637 | // exceptions support | |
638 | // ---------------------------------------------------------------------------- | |
639 | ||
640 | bool wxAppConsoleBase::OnExceptionInMainLoop() | |
641 | { | |
642 | throw; | |
643 | ||
644 | // some compilers are too stupid to know that we never return after throw | |
645 | #if defined(__DMC__) || (defined(_MSC_VER) && _MSC_VER < 1200) | |
646 | return false; | |
647 | #endif | |
648 | } | |
649 | ||
650 | #endif // wxUSE_EXCEPTIONS | |
651 | ||
652 | // ---------------------------------------------------------------------------- | |
653 | // cmd line parsing | |
654 | // ---------------------------------------------------------------------------- | |
655 | ||
656 | #if wxUSE_CMDLINE_PARSER | |
657 | ||
658 | #define OPTION_VERBOSE "verbose" | |
659 | ||
660 | void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser) | |
661 | { | |
662 | // the standard command line options | |
663 | static const wxCmdLineEntryDesc cmdLineDesc[] = | |
664 | { | |
665 | { | |
666 | wxCMD_LINE_SWITCH, | |
667 | "h", | |
668 | "help", | |
669 | gettext_noop("show this help message"), | |
670 | wxCMD_LINE_VAL_NONE, | |
671 | wxCMD_LINE_OPTION_HELP | |
672 | }, | |
673 | ||
674 | #if wxUSE_LOG | |
675 | { | |
676 | wxCMD_LINE_SWITCH, | |
677 | NULL, | |
678 | OPTION_VERBOSE, | |
679 | gettext_noop("generate verbose log messages"), | |
680 | wxCMD_LINE_VAL_NONE, | |
681 | 0x0 | |
682 | }, | |
683 | #endif // wxUSE_LOG | |
684 | ||
685 | // terminator | |
686 | wxCMD_LINE_DESC_END | |
687 | }; | |
688 | ||
689 | parser.SetDesc(cmdLineDesc); | |
690 | } | |
691 | ||
692 | bool wxAppConsoleBase::OnCmdLineParsed(wxCmdLineParser& parser) | |
693 | { | |
694 | #if wxUSE_LOG | |
695 | if ( parser.Found(OPTION_VERBOSE) ) | |
696 | { | |
697 | wxLog::SetVerbose(true); | |
698 | } | |
699 | #else | |
700 | wxUnusedVar(parser); | |
701 | #endif // wxUSE_LOG | |
702 | ||
703 | return true; | |
704 | } | |
705 | ||
706 | bool wxAppConsoleBase::OnCmdLineHelp(wxCmdLineParser& parser) | |
707 | { | |
708 | parser.Usage(); | |
709 | ||
710 | return false; | |
711 | } | |
712 | ||
713 | bool wxAppConsoleBase::OnCmdLineError(wxCmdLineParser& parser) | |
714 | { | |
715 | parser.Usage(); | |
716 | ||
717 | return false; | |
718 | } | |
719 | ||
720 | #endif // wxUSE_CMDLINE_PARSER | |
721 | ||
722 | // ---------------------------------------------------------------------------- | |
723 | // debugging support | |
724 | // ---------------------------------------------------------------------------- | |
725 | ||
726 | /* static */ | |
727 | bool wxAppConsoleBase::CheckBuildOptions(const char *optionsSignature, | |
728 | const char *componentName) | |
729 | { | |
730 | #if 0 // can't use wxLogTrace, not up and running yet | |
731 | printf("checking build options object '%s' (ptr %p) in '%s'\n", | |
732 | optionsSignature, optionsSignature, componentName); | |
733 | #endif | |
734 | ||
735 | if ( strcmp(optionsSignature, WX_BUILD_OPTIONS_SIGNATURE) != 0 ) | |
736 | { | |
737 | wxString lib = wxString::FromAscii(WX_BUILD_OPTIONS_SIGNATURE); | |
738 | wxString prog = wxString::FromAscii(optionsSignature); | |
739 | wxString progName = wxString::FromAscii(componentName); | |
740 | wxString msg; | |
741 | ||
742 | msg.Printf(wxT("Mismatch between the program and library build versions detected.\nThe library used %s,\nand %s used %s."), | |
743 | lib.c_str(), progName.c_str(), prog.c_str()); | |
744 | ||
745 | wxLogFatalError(msg.c_str()); | |
746 | ||
747 | // normally wxLogFatalError doesn't return | |
748 | return false; | |
749 | } | |
750 | ||
751 | return true; | |
752 | } | |
753 | ||
754 | void wxAppConsoleBase::OnAssertFailure(const wxChar *file, | |
755 | int line, | |
756 | const wxChar *func, | |
757 | const wxChar *cond, | |
758 | const wxChar *msg) | |
759 | { | |
760 | #if wxDEBUG_LEVEL | |
761 | ShowAssertDialog(file, line, func, cond, msg, GetTraits()); | |
762 | #else | |
763 | // this function is still present even in debug level 0 build for ABI | |
764 | // compatibility reasons but is never called there and so can simply do | |
765 | // nothing in it | |
766 | wxUnusedVar(file); | |
767 | wxUnusedVar(line); | |
768 | wxUnusedVar(func); | |
769 | wxUnusedVar(cond); | |
770 | wxUnusedVar(msg); | |
771 | #endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL | |
772 | } | |
773 | ||
774 | void wxAppConsoleBase::OnAssert(const wxChar *file, | |
775 | int line, | |
776 | const wxChar *cond, | |
777 | const wxChar *msg) | |
778 | { | |
779 | OnAssertFailure(file, line, NULL, cond, msg); | |
780 | } | |
781 | ||
782 | // ============================================================================ | |
783 | // other classes implementations | |
784 | // ============================================================================ | |
785 | ||
786 | // ---------------------------------------------------------------------------- | |
787 | // wxConsoleAppTraitsBase | |
788 | // ---------------------------------------------------------------------------- | |
789 | ||
790 | #if wxUSE_LOG | |
791 | ||
792 | wxLog *wxConsoleAppTraitsBase::CreateLogTarget() | |
793 | { | |
794 | return new wxLogStderr; | |
795 | } | |
796 | ||
797 | #endif // wxUSE_LOG | |
798 | ||
799 | wxMessageOutput *wxConsoleAppTraitsBase::CreateMessageOutput() | |
800 | { | |
801 | return new wxMessageOutputStderr; | |
802 | } | |
803 | ||
804 | #if wxUSE_FONTMAP | |
805 | ||
806 | wxFontMapper *wxConsoleAppTraitsBase::CreateFontMapper() | |
807 | { | |
808 | return (wxFontMapper *)new wxFontMapperBase; | |
809 | } | |
810 | ||
811 | #endif // wxUSE_FONTMAP | |
812 | ||
813 | wxRendererNative *wxConsoleAppTraitsBase::CreateRenderer() | |
814 | { | |
815 | // console applications don't use renderers | |
816 | return NULL; | |
817 | } | |
818 | ||
819 | bool wxConsoleAppTraitsBase::ShowAssertDialog(const wxString& msg) | |
820 | { | |
821 | return wxAppTraitsBase::ShowAssertDialog(msg); | |
822 | } | |
823 | ||
824 | bool wxConsoleAppTraitsBase::HasStderr() | |
825 | { | |
826 | // console applications always have stderr, even under Mac/Windows | |
827 | return true; | |
828 | } | |
829 | ||
830 | // ---------------------------------------------------------------------------- | |
831 | // wxAppTraits | |
832 | // ---------------------------------------------------------------------------- | |
833 | ||
834 | #if wxUSE_INTL | |
835 | void wxAppTraitsBase::SetLocale() | |
836 | { | |
837 | wxSetlocale(LC_ALL, ""); | |
838 | wxUpdateLocaleIsUtf8(); | |
839 | } | |
840 | #endif | |
841 | ||
842 | #if wxUSE_THREADS | |
843 | void wxMutexGuiEnterImpl(); | |
844 | void wxMutexGuiLeaveImpl(); | |
845 | ||
846 | void wxAppTraitsBase::MutexGuiEnter() | |
847 | { | |
848 | wxMutexGuiEnterImpl(); | |
849 | } | |
850 | ||
851 | void wxAppTraitsBase::MutexGuiLeave() | |
852 | { | |
853 | wxMutexGuiLeaveImpl(); | |
854 | } | |
855 | ||
856 | void WXDLLIMPEXP_BASE wxMutexGuiEnter() | |
857 | { | |
858 | wxAppTraits * const traits = wxAppConsoleBase::GetTraitsIfExists(); | |
859 | if ( traits ) | |
860 | traits->MutexGuiEnter(); | |
861 | } | |
862 | ||
863 | void WXDLLIMPEXP_BASE wxMutexGuiLeave() | |
864 | { | |
865 | wxAppTraits * const traits = wxAppConsoleBase::GetTraitsIfExists(); | |
866 | if ( traits ) | |
867 | traits->MutexGuiLeave(); | |
868 | } | |
869 | #endif // wxUSE_THREADS | |
870 | ||
871 | bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal) | |
872 | { | |
873 | #if wxDEBUG_LEVEL | |
874 | wxString msg; | |
875 | ||
876 | #if wxUSE_STACKWALKER | |
877 | const wxString stackTrace = GetAssertStackTrace(); | |
878 | if ( !stackTrace.empty() ) | |
879 | { | |
880 | msg << wxT("\n\nCall stack:\n") << stackTrace; | |
881 | ||
882 | wxMessageOutputDebug().Output(msg); | |
883 | } | |
884 | #endif // wxUSE_STACKWALKER | |
885 | ||
886 | return DoShowAssertDialog(msgOriginal + msg); | |
887 | #else // !wxDEBUG_LEVEL | |
888 | wxUnusedVar(msgOriginal); | |
889 | ||
890 | return false; | |
891 | #endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL | |
892 | } | |
893 | ||
894 | #if wxUSE_STACKWALKER | |
895 | wxString wxAppTraitsBase::GetAssertStackTrace() | |
896 | { | |
897 | #if wxDEBUG_LEVEL | |
898 | ||
899 | #if !defined(__WINDOWS__) | |
900 | // on Unix stack frame generation may take some time, depending on the | |
901 | // size of the executable mainly... warn the user that we are working | |
902 | wxFprintf(stderr, "Collecting stack trace information, please wait..."); | |
903 | fflush(stderr); | |
904 | #endif // !__WINDOWS__ | |
905 | ||
906 | ||
907 | wxString stackTrace; | |
908 | ||
909 | class StackDump : public wxStackWalker | |
910 | { | |
911 | public: | |
912 | StackDump() { } | |
913 | ||
914 | const wxString& GetStackTrace() const { return m_stackTrace; } | |
915 | ||
916 | protected: | |
917 | virtual void OnStackFrame(const wxStackFrame& frame) | |
918 | { | |
919 | m_stackTrace << wxString::Format | |
920 | ( | |
921 | wxT("[%02d] "), | |
922 | wx_truncate_cast(int, frame.GetLevel()) | |
923 | ); | |
924 | ||
925 | wxString name = frame.GetName(); | |
926 | if ( !name.empty() ) | |
927 | { | |
928 | m_stackTrace << wxString::Format(wxT("%-40s"), name.c_str()); | |
929 | } | |
930 | else | |
931 | { | |
932 | m_stackTrace << wxString::Format(wxT("%p"), frame.GetAddress()); | |
933 | } | |
934 | ||
935 | if ( frame.HasSourceLocation() ) | |
936 | { | |
937 | m_stackTrace << wxT('\t') | |
938 | << frame.GetFileName() | |
939 | << wxT(':') | |
940 | << frame.GetLine(); | |
941 | } | |
942 | ||
943 | m_stackTrace << wxT('\n'); | |
944 | } | |
945 | ||
946 | private: | |
947 | wxString m_stackTrace; | |
948 | }; | |
949 | ||
950 | // don't show more than maxLines or we could get a dialog too tall to be | |
951 | // shown on screen: 20 should be ok everywhere as even with 15 pixel high | |
952 | // characters it is still only 300 pixels... | |
953 | static const int maxLines = 20; | |
954 | ||
955 | StackDump dump; | |
956 | dump.Walk(2, maxLines); // don't show OnAssert() call itself | |
957 | stackTrace = dump.GetStackTrace(); | |
958 | ||
959 | const int count = stackTrace.Freq(wxT('\n')); | |
960 | for ( int i = 0; i < count - maxLines; i++ ) | |
961 | stackTrace = stackTrace.BeforeLast(wxT('\n')); | |
962 | ||
963 | return stackTrace; | |
964 | #else // !wxDEBUG_LEVEL | |
965 | // this function is still present for ABI-compatibility even in debug level | |
966 | // 0 build but is not used there and so can simply do nothing | |
967 | return wxString(); | |
968 | #endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL | |
969 | } | |
970 | #endif // wxUSE_STACKWALKER | |
971 | ||
972 | ||
973 | // ============================================================================ | |
974 | // global functions implementation | |
975 | // ============================================================================ | |
976 | ||
977 | void wxExit() | |
978 | { | |
979 | if ( wxTheApp ) | |
980 | { | |
981 | wxTheApp->Exit(); | |
982 | } | |
983 | else | |
984 | { | |
985 | // what else can we do? | |
986 | exit(-1); | |
987 | } | |
988 | } | |
989 | ||
990 | void wxWakeUpIdle() | |
991 | { | |
992 | if ( wxTheApp ) | |
993 | { | |
994 | wxTheApp->WakeUpIdle(); | |
995 | } | |
996 | //else: do nothing, what can we do? | |
997 | } | |
998 | ||
999 | // wxASSERT() helper | |
1000 | bool wxAssertIsEqual(int x, int y) | |
1001 | { | |
1002 | return x == y; | |
1003 | } | |
1004 | ||
1005 | void wxAbort() | |
1006 | { | |
1007 | #ifdef __WXWINCE__ | |
1008 | ExitThread(3); | |
1009 | #else | |
1010 | abort(); | |
1011 | #endif | |
1012 | } | |
1013 | ||
1014 | #if wxDEBUG_LEVEL | |
1015 | ||
1016 | // break into the debugger | |
1017 | void wxTrap() | |
1018 | { | |
1019 | #if defined(__WINDOWS__) && !defined(__WXMICROWIN__) | |
1020 | DebugBreak(); | |
1021 | #elif defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS | |
1022 | Debugger(); | |
1023 | #elif defined(__UNIX__) | |
1024 | raise(SIGTRAP); | |
1025 | #else | |
1026 | // TODO | |
1027 | #endif // Win/Unix | |
1028 | } | |
1029 | ||
1030 | // default assert handler | |
1031 | static void | |
1032 | wxDefaultAssertHandler(const wxString& file, | |
1033 | int line, | |
1034 | const wxString& func, | |
1035 | const wxString& cond, | |
1036 | const wxString& msg) | |
1037 | { | |
1038 | // If this option is set, we should abort immediately when assert happens. | |
1039 | if ( wxSystemOptions::GetOptionInt("exit-on-assert") ) | |
1040 | wxAbort(); | |
1041 | ||
1042 | // FIXME MT-unsafe | |
1043 | static int s_bInAssert = 0; | |
1044 | ||
1045 | wxRecursionGuard guard(s_bInAssert); | |
1046 | if ( guard.IsInside() ) | |
1047 | { | |
1048 | // can't use assert here to avoid infinite loops, so just trap | |
1049 | wxTrap(); | |
1050 | ||
1051 | return; | |
1052 | } | |
1053 | ||
1054 | if ( !wxTheApp ) | |
1055 | { | |
1056 | // by default, show the assert dialog box -- we can't customize this | |
1057 | // behaviour | |
1058 | ShowAssertDialog(file, line, func, cond, msg); | |
1059 | } | |
1060 | else | |
1061 | { | |
1062 | // let the app process it as it wants | |
1063 | // FIXME-UTF8: use wc_str(), not c_str(), when ANSI build is removed | |
1064 | wxTheApp->OnAssertFailure(file.c_str(), line, func.c_str(), | |
1065 | cond.c_str(), msg.c_str()); | |
1066 | } | |
1067 | } | |
1068 | ||
1069 | wxAssertHandler_t wxTheAssertHandler = wxDefaultAssertHandler; | |
1070 | ||
1071 | void wxSetDefaultAssertHandler() | |
1072 | { | |
1073 | wxTheAssertHandler = wxDefaultAssertHandler; | |
1074 | } | |
1075 | ||
1076 | void wxOnAssert(const wxString& file, | |
1077 | int line, | |
1078 | const wxString& func, | |
1079 | const wxString& cond, | |
1080 | const wxString& msg) | |
1081 | { | |
1082 | wxTheAssertHandler(file, line, func, cond, msg); | |
1083 | } | |
1084 | ||
1085 | void wxOnAssert(const wxString& file, | |
1086 | int line, | |
1087 | const wxString& func, | |
1088 | const wxString& cond) | |
1089 | { | |
1090 | wxTheAssertHandler(file, line, func, cond, wxString()); | |
1091 | } | |
1092 | ||
1093 | void wxOnAssert(const wxChar *file, | |
1094 | int line, | |
1095 | const char *func, | |
1096 | const wxChar *cond, | |
1097 | const wxChar *msg) | |
1098 | { | |
1099 | // this is the backwards-compatible version (unless we don't use Unicode) | |
1100 | // so it could be called directly from the user code and this might happen | |
1101 | // even when wxTheAssertHandler is NULL | |
1102 | #if wxUSE_UNICODE | |
1103 | if ( wxTheAssertHandler ) | |
1104 | #endif // wxUSE_UNICODE | |
1105 | wxTheAssertHandler(file, line, func, cond, msg); | |
1106 | } | |
1107 | ||
1108 | void wxOnAssert(const char *file, | |
1109 | int line, | |
1110 | const char *func, | |
1111 | const char *cond, | |
1112 | const wxString& msg) | |
1113 | { | |
1114 | wxTheAssertHandler(file, line, func, cond, msg); | |
1115 | } | |
1116 | ||
1117 | void wxOnAssert(const char *file, | |
1118 | int line, | |
1119 | const char *func, | |
1120 | const char *cond, | |
1121 | const wxCStrData& msg) | |
1122 | { | |
1123 | wxTheAssertHandler(file, line, func, cond, msg); | |
1124 | } | |
1125 | ||
1126 | #if wxUSE_UNICODE | |
1127 | void wxOnAssert(const char *file, | |
1128 | int line, | |
1129 | const char *func, | |
1130 | const char *cond) | |
1131 | { | |
1132 | wxTheAssertHandler(file, line, func, cond, wxString()); | |
1133 | } | |
1134 | ||
1135 | void wxOnAssert(const char *file, | |
1136 | int line, | |
1137 | const char *func, | |
1138 | const char *cond, | |
1139 | const char *msg) | |
1140 | { | |
1141 | wxTheAssertHandler(file, line, func, cond, msg); | |
1142 | } | |
1143 | ||
1144 | void wxOnAssert(const char *file, | |
1145 | int line, | |
1146 | const char *func, | |
1147 | const char *cond, | |
1148 | const wxChar *msg) | |
1149 | { | |
1150 | wxTheAssertHandler(file, line, func, cond, msg); | |
1151 | } | |
1152 | #endif // wxUSE_UNICODE | |
1153 | ||
1154 | #endif // wxDEBUG_LEVEL | |
1155 | ||
1156 | // ============================================================================ | |
1157 | // private functions implementation | |
1158 | // ============================================================================ | |
1159 | ||
1160 | #ifdef __WXDEBUG__ | |
1161 | ||
1162 | static void LINKAGEMODE SetTraceMasks() | |
1163 | { | |
1164 | #if wxUSE_LOG | |
1165 | wxString mask; | |
1166 | if ( wxGetEnv(wxT("WXTRACE"), &mask) ) | |
1167 | { | |
1168 | wxStringTokenizer tkn(mask, wxT(",;:")); | |
1169 | while ( tkn.HasMoreTokens() ) | |
1170 | wxLog::AddTraceMask(tkn.GetNextToken()); | |
1171 | } | |
1172 | #endif // wxUSE_LOG | |
1173 | } | |
1174 | ||
1175 | #endif // __WXDEBUG__ | |
1176 | ||
1177 | #if wxDEBUG_LEVEL | |
1178 | ||
1179 | static | |
1180 | bool DoShowAssertDialog(const wxString& msg) | |
1181 | { | |
1182 | // under Windows we can show the dialog even in the console mode | |
1183 | #if defined(__WINDOWS__) && !defined(__WXMICROWIN__) | |
1184 | wxString msgDlg(msg); | |
1185 | ||
1186 | // this message is intentionally not translated -- it is for developers | |
1187 | // only -- and the less code we use here, less is the danger of recursively | |
1188 | // asserting and dying | |
1189 | msgDlg += wxT("\nDo you want to stop the program?\n") | |
1190 | wxT("You can also choose [Cancel] to suppress ") | |
1191 | wxT("further warnings."); | |
1192 | ||
1193 | switch ( ::MessageBox(NULL, msgDlg.t_str(), wxT("wxWidgets Debug Alert"), | |
1194 | MB_YESNOCANCEL | MB_ICONSTOP ) ) | |
1195 | { | |
1196 | case IDYES: | |
1197 | wxTrap(); | |
1198 | break; | |
1199 | ||
1200 | case IDCANCEL: | |
1201 | // stop the asserts | |
1202 | return true; | |
1203 | ||
1204 | //case IDNO: nothing to do | |
1205 | } | |
1206 | #else // !__WINDOWS__ | |
1207 | wxUnusedVar(msg); | |
1208 | #endif // __WINDOWS__/!__WINDOWS__ | |
1209 | ||
1210 | // continue with the asserts by default | |
1211 | return false; | |
1212 | } | |
1213 | ||
1214 | // show the standard assert dialog | |
1215 | static | |
1216 | void ShowAssertDialog(const wxString& file, | |
1217 | int line, | |
1218 | const wxString& func, | |
1219 | const wxString& cond, | |
1220 | const wxString& msgUser, | |
1221 | wxAppTraits *traits) | |
1222 | { | |
1223 | // this variable can be set to true to suppress "assert failure" messages | |
1224 | static bool s_bNoAsserts = false; | |
1225 | ||
1226 | wxString msg; | |
1227 | msg.reserve(2048); | |
1228 | ||
1229 | // make life easier for people using VC++ IDE by using this format: like | |
1230 | // this, clicking on the message will take us immediately to the place of | |
1231 | // the failed assert | |
1232 | msg.Printf(wxT("%s(%d): assert \"%s\" failed"), file, line, cond); | |
1233 | ||
1234 | // add the function name, if any | |
1235 | if ( !func.empty() ) | |
1236 | msg << wxT(" in ") << func << wxT("()"); | |
1237 | ||
1238 | // and the message itself | |
1239 | if ( !msgUser.empty() ) | |
1240 | { | |
1241 | msg << wxT(": ") << msgUser; | |
1242 | } | |
1243 | else // no message given | |
1244 | { | |
1245 | msg << wxT('.'); | |
1246 | } | |
1247 | ||
1248 | #if wxUSE_THREADS | |
1249 | // if we are not in the main thread, output the assert directly and trap | |
1250 | // since dialogs cannot be displayed | |
1251 | if ( !wxThread::IsMain() ) | |
1252 | { | |
1253 | msg += wxString::Format(" [in thread %lx]", wxThread::GetCurrentId()); | |
1254 | } | |
1255 | #endif // wxUSE_THREADS | |
1256 | ||
1257 | // log the assert in any case | |
1258 | wxMessageOutputDebug().Output(msg); | |
1259 | ||
1260 | if ( !s_bNoAsserts ) | |
1261 | { | |
1262 | if ( traits ) | |
1263 | { | |
1264 | // delegate showing assert dialog (if possible) to that class | |
1265 | s_bNoAsserts = traits->ShowAssertDialog(msg); | |
1266 | } | |
1267 | else // no traits object | |
1268 | { | |
1269 | // fall back to the function of last resort | |
1270 | s_bNoAsserts = DoShowAssertDialog(msg); | |
1271 | } | |
1272 | } | |
1273 | } | |
1274 | ||
1275 | #endif // wxDEBUG_LEVEL |