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1/////////////////////////////////////////////////////////////////////////////
2// Name: app.cpp
3// Purpose:
4// Author: Robert Roebling
5// Id: $Id$
6// Copyright: (c) 1998 Robert Roebling, Julian Smart
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10#ifdef __GNUG__
11 #pragma implementation "app.h"
12#endif
13
14#ifdef __VMS
15#include <vms_jackets.h>
16#endif
17
18#include "wx/app.h"
19#include "wx/gdicmn.h"
20#include "wx/utils.h"
21#include "wx/intl.h"
22#include "wx/log.h"
23#include "wx/memory.h"
24#include "wx/font.h"
25#include "wx/settings.h"
26#include "wx/dialog.h"
27#include "wx/msgdlg.h"
28#include "wx/file.h"
29#include "wx/filename.h"
30
31#if wxUSE_WX_RESOURCES
32 #include "wx/resource.h"
33#endif
34
35#include "wx/module.h"
36#include "wx/image.h"
37
38#ifdef __WXUNIVERSAL__
39 #include "wx/univ/theme.h"
40 #include "wx/univ/renderer.h"
41#endif
42
43#if wxUSE_THREADS
44 #include "wx/thread.h"
45#endif
46
47#include <unistd.h>
48
49#ifdef HAVE_POLL
50 #if defined(__VMS)
51 #include <poll.h>
52 #else
53 // bug in the OpenBSD headers: at least in 3.1 there is no extern "C"
54 // in neither poll.h nor sys/poll.h which results in link errors later
55 #ifdef __OPENBSD__
56 extern "C"
57 {
58 #endif
59
60 #include <sys/poll.h>
61
62 #ifdef __OPENBSD__
63 };
64 #endif
65 #endif // platform
66#else // !HAVE_POLL
67 // we implement poll() ourselves using select() which is supposed exist in
68 // all modern Unices
69 #include <sys/types.h>
70 #include <sys/time.h>
71 #include <unistd.h>
72#endif // HAVE_POLL/!HAVE_POLL
73
74#include "wx/gtk/win_gtk.h"
75
76#include <gtk/gtk.h>
77
78
79//-----------------------------------------------------------------------------
80// global data
81//-----------------------------------------------------------------------------
82
83wxApp *wxTheApp = (wxApp *) NULL;
84wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
85
86bool g_mainThreadLocked = FALSE;
87gint g_pendingTag = 0;
88
89static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
90
91//-----------------------------------------------------------------------------
92// idle system
93//-----------------------------------------------------------------------------
94
95extern bool g_isIdle;
96
97void wxapp_install_idle_handler();
98
99//-----------------------------------------------------------------------------
100// wxExit
101//-----------------------------------------------------------------------------
102
103void wxExit()
104{
105 gtk_main_quit();
106}
107
108//-----------------------------------------------------------------------------
109// wxYield
110//-----------------------------------------------------------------------------
111
112// not static because used by textctrl.cpp
113//
114// MT-FIXME
115bool wxIsInsideYield = FALSE;
116
117bool wxApp::Yield(bool onlyIfNeeded)
118{
119 if ( wxIsInsideYield )
120 {
121 if ( !onlyIfNeeded )
122 {
123 wxFAIL_MSG( wxT("wxYield called recursively" ) );
124 }
125
126 return FALSE;
127 }
128
129#if wxUSE_THREADS
130 if ( !wxThread::IsMain() )
131 {
132 // can't call gtk_main_iteration() from other threads like this
133 return TRUE;
134 }
135#endif // wxUSE_THREADS
136
137 wxIsInsideYield = TRUE;
138
139 if (!g_isIdle)
140 {
141 // We need to remove idle callbacks or the loop will
142 // never finish.
143 gtk_idle_remove( m_idleTag );
144 m_idleTag = 0;
145 g_isIdle = TRUE;
146 }
147
148 // disable log flushing from here because a call to wxYield() shouldn't
149 // normally result in message boxes popping up &c
150 wxLog::Suspend();
151
152 while (gtk_events_pending())
153 gtk_main_iteration();
154
155 // It's necessary to call ProcessIdle() to update the frames sizes which
156 // might have been changed (it also will update other things set from
157 // OnUpdateUI() which is a nice (and desired) side effect). But we
158 // call ProcessIdle() only once since this is not meant for longish
159 // background jobs (controlled by wxIdleEvent::RequestMore() and the
160 // return value of Processidle().
161 ProcessIdle();
162
163 // let the logs be flashed again
164 wxLog::Resume();
165
166 wxIsInsideYield = FALSE;
167
168 return TRUE;
169}
170
171//-----------------------------------------------------------------------------
172// wxWakeUpIdle
173//-----------------------------------------------------------------------------
174
175void wxWakeUpIdle()
176{
177#if wxUSE_THREADS
178 if (!wxThread::IsMain())
179 wxMutexGuiEnter();
180#endif
181
182 if (g_isIdle)
183 wxapp_install_idle_handler();
184
185#if wxUSE_THREADS
186 if (!wxThread::IsMain())
187 wxMutexGuiLeave();
188#endif
189}
190
191//-----------------------------------------------------------------------------
192// local functions
193//-----------------------------------------------------------------------------
194
195// the callback functions must be extern "C" to comply with GTK+ declarations
196extern "C"
197{
198
199static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
200{
201 if (!wxTheApp) return TRUE;
202
203 // When getting called from GDK's time-out handler
204 // we are no longer within GDK's grab on the GUI
205 // thread so we must lock it here ourselves.
206 gdk_threads_enter();
207
208 // Sent idle event to all who request them.
209 wxTheApp->ProcessPendingEvents();
210
211 g_pendingTag = 0;
212
213 // Flush the logged messages if any.
214#if wxUSE_LOG
215 wxLog::FlushActive();
216#endif // wxUSE_LOG
217
218 // Release lock again
219 gdk_threads_leave();
220
221 // Return FALSE to indicate that no more idle events are
222 // to be sent (single shot instead of continuous stream)
223 return FALSE;
224}
225
226static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
227{
228 if (!wxTheApp)
229 return TRUE;
230
231#ifdef __WXDEBUG__
232 // don't generate the idle events while the assert modal dialog is shown,
233 // this completely confuses the apps which don't expect to be reentered
234 // from some safely-looking functions
235 if ( wxTheApp->IsInAssert() )
236 {
237 // But repaint the assertion message if necessary
238 if (wxTopLevelWindows.GetCount() > 0)
239 {
240 wxWindow* win = (wxWindow*) wxTopLevelWindows.Last()->Data();
241 if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
242 win->OnInternalIdle();
243 }
244 return TRUE;
245 }
246#endif // __WXDEBUG__
247
248 // When getting called from GDK's time-out handler
249 // we are no longer within GDK's grab on the GUI
250 // thread so we must lock it here ourselves.
251 gdk_threads_enter();
252
253 // Indicate that we are now in idle mode and event handlers
254 // will have to reinstall the idle handler again.
255 g_isIdle = TRUE;
256 wxTheApp->m_idleTag = 0;
257
258 // Send idle event to all who request them as long as
259 // no events have popped up in the event queue.
260 while (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0))
261 ;
262
263 // Release lock again
264 gdk_threads_leave();
265
266 // Return FALSE to indicate that no more idle events are
267 // to be sent (single shot instead of continuous stream).
268 return FALSE;
269}
270
271#if wxUSE_THREADS
272
273#ifdef HAVE_POLL
274 #define wxPoll poll
275 #define wxPollFd pollfd
276#else // !HAVE_POLL
277
278typedef GPollFD wxPollFd;
279
280int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
281{
282 // convert timeout from ms to struct timeval (s/us)
283 timeval tv_timeout;
284 tv_timeout.tv_sec = timeout/1000;
285 tv_timeout.tv_usec = (timeout%1000)*1000;
286
287 // remember the highest fd used here
288 int fdMax = -1;
289
290 // and fill the sets for select()
291 fd_set readfds;
292 fd_set writefds;
293 fd_set exceptfds;
294 FD_ZERO(&readfds);
295 FD_ZERO(&writefds);
296 FD_ZERO(&exceptfds);
297
298 unsigned int i;
299 for ( i = 0; i < nfds; i++ )
300 {
301 wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
302
303 if ( ufds[i].events & G_IO_IN )
304 FD_SET(ufds[i].fd, &readfds);
305
306 if ( ufds[i].events & G_IO_PRI )
307 FD_SET(ufds[i].fd, &exceptfds);
308
309 if ( ufds[i].events & G_IO_OUT )
310 FD_SET(ufds[i].fd, &writefds);
311
312 if ( ufds[i].fd > fdMax )
313 fdMax = ufds[i].fd;
314 }
315
316 fdMax++;
317 int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
318
319 // translate the results back
320 for ( i = 0; i < nfds; i++ )
321 {
322 ufds[i].revents = 0;
323
324 if ( FD_ISSET(ufds[i].fd, &readfds ) )
325 ufds[i].revents |= G_IO_IN;
326
327 if ( FD_ISSET(ufds[i].fd, &exceptfds ) )
328 ufds[i].revents |= G_IO_PRI;
329
330 if ( FD_ISSET(ufds[i].fd, &writefds ) )
331 ufds[i].revents |= G_IO_OUT;
332 }
333
334 return res;
335}
336
337#endif // HAVE_POLL/!HAVE_POLL
338
339static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
340{
341 gdk_threads_enter();
342
343 wxMutexGuiLeave();
344 g_mainThreadLocked = TRUE;
345
346 // we rely on the fact that glib GPollFD struct is really just pollfd but
347 // I wonder how wise is this in the long term (VZ)
348 gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout );
349
350 wxMutexGuiEnter();
351 g_mainThreadLocked = FALSE;
352
353 gdk_threads_leave();
354
355 return res;
356}
357
358#endif // wxUSE_THREADS
359
360} // extern "C"
361
362void wxapp_install_idle_handler()
363{
364 wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
365
366 g_isIdle = FALSE;
367
368 if (g_pendingTag == 0)
369 g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
370
371 // This routine gets called by all event handlers
372 // indicating that the idle is over. It may also
373 // get called from other thread for sending events
374 // to the main thread (and processing these in
375 // idle time). Very low priority.
376 wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
377}
378
379//-----------------------------------------------------------------------------
380// Access to the root window global
381//-----------------------------------------------------------------------------
382
383GtkWidget* wxGetRootWindow()
384{
385 if (gs_RootWindow == NULL)
386 {
387 gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
388 gtk_widget_realize( gs_RootWindow );
389 }
390 return gs_RootWindow;
391}
392
393//-----------------------------------------------------------------------------
394// wxApp
395//-----------------------------------------------------------------------------
396
397IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
398
399BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
400 EVT_IDLE(wxApp::OnIdle)
401END_EVENT_TABLE()
402
403wxApp::wxApp()
404{
405 m_initialized = FALSE;
406#ifdef __WXDEBUG__
407 m_isInAssert = FALSE;
408#endif // __WXDEBUG__
409
410 m_idleTag = 0;
411 wxapp_install_idle_handler();
412
413#if wxUSE_THREADS
414 g_main_set_poll_func( wxapp_poll_func );
415#endif
416
417 m_colorCube = (unsigned char*) NULL;
418
419 // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
420 m_glVisualInfo = (void *) NULL;
421}
422
423wxApp::~wxApp()
424{
425 if (m_idleTag) gtk_idle_remove( m_idleTag );
426
427 if (m_colorCube) free(m_colorCube);
428}
429
430bool wxApp::OnInitGui()
431{
432 if ( !wxAppBase::OnInitGui() )
433 return FALSE;
434
435 GdkVisual *visual = gdk_visual_get_system();
436
437 // if this is a wxGLApp (derived from wxApp), and we've already
438 // chosen a specific visual, then derive the GdkVisual from that
439 if (m_glVisualInfo != NULL)
440 {
441#ifdef __WXGTK20__
442 // seems gtk_widget_set_default_visual no longer exists?
443 GdkVisual* vis = gtk_widget_get_default_visual();
444#else
445 GdkVisual* vis = gdkx_visual_get(
446 ((XVisualInfo *) m_glVisualInfo) ->visualid );
447 gtk_widget_set_default_visual( vis );
448#endif
449
450 GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
451 gtk_widget_set_default_colormap( colormap );
452
453 visual = vis;
454 }
455
456 // On some machines, the default visual is just 256 colours, so
457 // we make sure we get the best. This can sometimes be wasteful.
458
459 else
460 if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
461 {
462#ifdef __WXGTK20__
463 /* seems gtk_widget_set_default_visual no longer exists? */
464 GdkVisual* vis = gtk_widget_get_default_visual();
465#else
466 GdkVisual* vis = gdk_visual_get_best();
467 gtk_widget_set_default_visual( vis );
468#endif
469
470 GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
471 gtk_widget_set_default_colormap( colormap );
472
473 visual = vis;
474 }
475
476 // Nothing to do for 15, 16, 24, 32 bit displays
477 if (visual->depth > 8) return TRUE;
478
479 // initialize color cube for 8-bit color reduction dithering
480
481 GdkColormap *cmap = gtk_widget_get_default_colormap();
482
483 m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
484
485 for (int r = 0; r < 32; r++)
486 {
487 for (int g = 0; g < 32; g++)
488 {
489 for (int b = 0; b < 32; b++)
490 {
491 int rr = (r << 3) | (r >> 2);
492 int gg = (g << 3) | (g >> 2);
493 int bb = (b << 3) | (b >> 2);
494
495 int index = -1;
496
497 GdkColor *colors = cmap->colors;
498 if (colors)
499 {
500 int max = 3 * 65536;
501
502 for (int i = 0; i < cmap->size; i++)
503 {
504 int rdiff = ((rr << 8) - colors[i].red);
505 int gdiff = ((gg << 8) - colors[i].green);
506 int bdiff = ((bb << 8) - colors[i].blue);
507 int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
508 if (sum < max)
509 {
510 index = i; max = sum;
511 }
512 }
513 }
514 else
515 {
516 // assume 8-bit true or static colors. this really exists
517 GdkVisual* vis = gdk_colormap_get_visual( cmap );
518 index = (r >> (5 - vis->red_prec)) << vis->red_shift;
519 index |= (g >> (5 - vis->green_prec)) << vis->green_shift;
520 index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift;
521 }
522 m_colorCube[ (r*1024) + (g*32) + b ] = index;
523 }
524 }
525 }
526
527 return TRUE;
528}
529
530GdkVisual *wxApp::GetGdkVisual()
531{
532 GdkVisual *visual = NULL;
533
534 if (m_glVisualInfo)
535 visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
536 else
537 visual = gdk_window_get_visual( wxGetRootWindow()->window );
538
539 wxASSERT( visual );
540
541 return visual;
542}
543
544bool wxApp::ProcessIdle()
545{
546 wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
547 node = wxTopLevelWindows.GetFirst();
548 while (node)
549 {
550 wxWindow* win = node->GetData();
551 CallInternalIdle( win );
552
553 node = node->GetNext();
554 }
555
556 wxIdleEvent event;
557 event.SetEventObject( this );
558 ProcessEvent( event );
559
560 return event.MoreRequested();
561}
562
563void wxApp::OnIdle( wxIdleEvent &event )
564{
565 static bool s_inOnIdle = FALSE;
566
567 // Avoid recursion (via ProcessEvent default case)
568 if (s_inOnIdle)
569 return;
570
571 s_inOnIdle = TRUE;
572
573 // Resend in the main thread events which have been prepared in other
574 // threads
575 ProcessPendingEvents();
576
577 // 'Garbage' collection of windows deleted with Close()
578 DeletePendingObjects();
579
580 // Send OnIdle events to all windows
581 bool needMore = SendIdleEvents();
582
583 if (needMore)
584 event.RequestMore(TRUE);
585
586 s_inOnIdle = FALSE;
587}
588
589bool wxApp::SendIdleEvents()
590{
591 bool needMore = FALSE;
592
593 wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
594 while (node)
595 {
596 wxWindow* win = node->GetData();
597 if (SendIdleEvents(win))
598 needMore = TRUE;
599
600 node = node->GetNext();
601 }
602
603 return needMore;
604}
605
606bool wxApp::CallInternalIdle( wxWindow* win )
607{
608 win->OnInternalIdle();
609
610 wxNode* node = win->GetChildren().First();
611 while (node)
612 {
613 wxWindow* win = (wxWindow*) node->Data();
614 CallInternalIdle( win );
615
616 node = node->Next();
617 }
618
619 return TRUE;
620}
621
622bool wxApp::SendIdleEvents( wxWindow* win )
623{
624 bool needMore = FALSE;
625
626 wxIdleEvent event;
627 event.SetEventObject(win);
628
629 win->GetEventHandler()->ProcessEvent(event);
630
631 if (event.MoreRequested())
632 needMore = TRUE;
633
634 wxNode* node = win->GetChildren().First();
635 while (node)
636 {
637 wxWindow* win = (wxWindow*) node->Data();
638 if (SendIdleEvents(win))
639 needMore = TRUE;
640
641 node = node->Next();
642 }
643
644 return needMore;
645}
646
647int wxApp::MainLoop()
648{
649 gtk_main();
650 return 0;
651}
652
653void wxApp::ExitMainLoop()
654{
655 if (gtk_main_level() > 0)
656 gtk_main_quit();
657}
658
659bool wxApp::Initialized()
660{
661 return m_initialized;
662}
663
664bool wxApp::Pending()
665{
666 return (gtk_events_pending() > 0);
667}
668
669void wxApp::Dispatch()
670{
671 gtk_main_iteration();
672}
673
674void wxApp::DeletePendingObjects()
675{
676 wxNode *node = wxPendingDelete.First();
677 while (node)
678 {
679 wxObject *obj = (wxObject *)node->Data();
680
681 delete obj;
682
683 if (wxPendingDelete.Find(obj))
684 delete node;
685
686 node = wxPendingDelete.First();
687 }
688}
689
690bool wxApp::Initialize()
691{
692 wxClassInfo::InitializeClasses();
693
694 // GL: I'm annoyed ... I don't know where to put this and I don't want to
695 // create a module for that as it's part of the core.
696#if wxUSE_THREADS
697 wxPendingEvents = new wxList();
698 wxPendingEventsLocker = new wxCriticalSection();
699#endif
700
701 wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
702 wxTheColourDatabase->Initialize();
703
704 wxInitializeStockLists();
705 wxInitializeStockObjects();
706
707#if wxUSE_WX_RESOURCES
708 wxInitializeResourceSystem();
709#endif
710
711 wxModule::RegisterModules();
712 if (!wxModule::InitializeModules())
713 return FALSE;
714
715#if wxUSE_INTL
716 wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
717#endif
718
719 return TRUE;
720}
721
722void wxApp::CleanUp()
723{
724 wxModule::CleanUpModules();
725
726#if wxUSE_WX_RESOURCES
727 wxCleanUpResourceSystem();
728#endif
729
730 delete wxTheColourDatabase;
731 wxTheColourDatabase = (wxColourDatabase*) NULL;
732
733 wxDeleteStockObjects();
734
735 wxDeleteStockLists();
736
737 delete wxTheApp;
738 wxTheApp = (wxApp*) NULL;
739
740 wxClassInfo::CleanUpClasses();
741
742#if wxUSE_THREADS
743 delete wxPendingEvents;
744 delete wxPendingEventsLocker;
745#endif
746
747 // check for memory leaks
748#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
749 if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
750 {
751 wxLogDebug(wxT("There were memory leaks.\n"));
752 wxDebugContext::Dump();
753 wxDebugContext::PrintStatistics();
754 }
755#endif // Debug
756
757#if wxUSE_LOG
758 // do this as the very last thing because everything else can log messages
759 wxLog::DontCreateOnDemand();
760
761 wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
762 if (oldLog)
763 delete oldLog;
764#endif // wxUSE_LOG
765}
766
767//-----------------------------------------------------------------------------
768// wxEntry
769//-----------------------------------------------------------------------------
770
771// NB: argc and argv may be changed here, pass by reference!
772int wxEntryStart( int& argc, char *argv[] )
773{
774#if wxUSE_THREADS
775 // GTK 1.2 up to version 1.2.3 has broken threads
776 if ((gtk_major_version == 1) &&
777 (gtk_minor_version == 2) &&
778 (gtk_micro_version < 4))
779 {
780 printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
781 }
782 else
783 {
784 g_thread_init(NULL);
785 }
786#endif
787
788 gtk_set_locale();
789
790 // We should have the wxUSE_WCHAR_T test on the _outside_
791#if wxUSE_WCHAR_T
792#if defined(__WXGTK20__)
793 // gtk+ 2.0 supports Unicode through UTF-8 strings
794 wxConvCurrent = &wxConvUTF8;
795#else
796 if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
797#endif
798#else
799 if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
800#endif
801
802 gdk_threads_enter();
803
804 gtk_init( &argc, &argv );
805
806 wxSetDetectableAutoRepeat( TRUE );
807
808 if (!wxApp::Initialize())
809 {
810 gdk_threads_leave();
811 return -1;
812 }
813
814 return 0;
815}
816
817
818int wxEntryInitGui()
819{
820 int retValue = 0;
821
822 if ( !wxTheApp->OnInitGui() )
823 retValue = -1;
824
825 wxGetRootWindow();
826
827 return retValue;
828}
829
830
831void wxEntryCleanup()
832{
833#if wxUSE_LOG
834 // flush the logged messages if any
835 wxLog *log = wxLog::GetActiveTarget();
836 if (log != NULL && log->HasPendingMessages())
837 log->Flush();
838
839 // continuing to use user defined log target is unsafe from now on because
840 // some resources may be already unavailable, so replace it by something
841 // more safe
842 wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
843 if ( oldlog )
844 delete oldlog;
845#endif // wxUSE_LOG
846
847 wxApp::CleanUp();
848
849 gdk_threads_leave();
850}
851
852
853int wxEntry( int argc, char *argv[] )
854{
855#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
856 // This seems to be necessary since there are 'rogue'
857 // objects present at this point (perhaps global objects?)
858 // Setting a checkpoint will ignore them as far as the
859 // memory checking facility is concerned.
860 // Of course you may argue that memory allocated in globals should be
861 // checked, but this is a reasonable compromise.
862 wxDebugContext::SetCheckpoint();
863#endif
864 int err = wxEntryStart(argc, argv);
865 if (err)
866 return err;
867
868 if (!wxTheApp)
869 {
870 wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
871 wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
872
873 wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
874
875 wxObject *test_app = app_ini();
876
877 wxTheApp = (wxApp*) test_app;
878 }
879
880 wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") );
881
882 wxTheApp->argc = argc;
883#if wxUSE_UNICODE
884 wxTheApp->argv = new wxChar*[argc+1];
885 int mb_argc = 0;
886 while (mb_argc < argc)
887 {
888 wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
889 mb_argc++;
890 }
891 wxTheApp->argv[mb_argc] = (wxChar *)NULL;
892#else
893 wxTheApp->argv = argv;
894#endif
895
896 if (wxTheApp->argc > 0)
897 {
898 wxFileName fname( wxTheApp->argv[0] );
899 wxTheApp->SetAppName( fname.GetName() );
900 }
901
902 int retValue;
903 retValue = wxEntryInitGui();
904
905 // Here frames insert themselves automatically into wxTopLevelWindows by
906 // getting created in OnInit().
907 if ( retValue == 0 )
908 {
909 if ( !wxTheApp->OnInit() )
910 retValue = -1;
911 }
912
913 if ( retValue == 0 )
914 {
915 // Delete pending toplevel windows
916 wxTheApp->DeletePendingObjects();
917
918 // When is the app not initialized ?
919 wxTheApp->m_initialized = TRUE;
920
921 if (wxTheApp->Initialized())
922 {
923 wxTheApp->OnRun();
924
925 wxWindow *topWindow = wxTheApp->GetTopWindow();
926
927 // Delete all pending windows if any
928 wxTheApp->DeletePendingObjects();
929
930 // Reset top window
931 if (topWindow)
932 wxTheApp->SetTopWindow( (wxWindow*) NULL );
933
934 retValue = wxTheApp->OnExit();
935 }
936 }
937
938 wxEntryCleanup();
939
940 return retValue;
941}
942
943#ifdef __WXDEBUG__
944
945void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
946{
947 m_isInAssert = TRUE;
948
949 wxAppBase::OnAssert(file, line, cond, msg);
950
951 m_isInAssert = FALSE;
952}
953
954#endif // __WXDEBUG__
955