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72cdf4c9 VZ |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: common/appcmn.cpp | |
3 | // Purpose: wxAppBase methods common to all platforms | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 18.10.99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Vadim Zeitlin | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // --------------------------------------------------------------------------- | |
17 | // headers | |
18 | // --------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "appbase.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #if defined(__BORLANDC__) | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include "wx/app.h" | |
bf188f1a | 33 | #include "wx/intl.h" |
e87271f3 | 34 | #include "wx/list.h" |
a5f1fd3e VZ |
35 | #if wxUSE_GUI |
36 | #include "wx/msgdlg.h" | |
37 | #endif // wxUSE_GUI | |
72cdf4c9 VZ |
38 | #endif |
39 | ||
bf188f1a | 40 | #include "wx/cmdline.h" |
72cdf4c9 | 41 | #include "wx/thread.h" |
7beba2fc | 42 | #include "wx/confbase.h" |
697c5f51 | 43 | #include "wx/tokenzr.h" |
bebc39e3 | 44 | #include "wx/utils.h" |
536b70ac | 45 | #include "wx/artprov.h" |
e1ee679c | 46 | |
a5f1fd3e VZ |
47 | #if !defined(__WXMSW__) || defined(__WXMICROWIN__) |
48 | #include <signal.h> // for SIGTRAP used by wxTrap() | |
49 | #endif //Win/Unix | |
50 | ||
51 | #if defined(__WXMSW__) | |
52 | #include "wx/msw/private.h" // includes windows.h for MessageBox() | |
53 | #endif | |
54 | ||
5128e3be SC |
55 | #if defined(__WXMAC__) |
56 | #include "wx/mac/private.h" // includes mac headers | |
57 | #endif | |
58 | ||
d54598dd VZ |
59 | // =========================================================================== |
60 | // implementation | |
61 | // =========================================================================== | |
62 | ||
bf188f1a VZ |
63 | // ---------------------------------------------------------------------------- |
64 | // initialization and termination | |
65 | // ---------------------------------------------------------------------------- | |
66 | ||
697c5f51 VS |
67 | #ifdef __WXDEBUG__ |
68 | static void LINKAGEMODE SetTraceMasks() | |
69 | { | |
70 | wxString mask; | |
71 | if ( wxGetEnv(wxT("WXTRACE"), &mask) ) | |
72 | { | |
73 | wxStringTokenizer tkn(mask, wxT(",")); | |
74 | while ( tkn.HasMoreTokens() ) | |
75 | wxLog::AddTraceMask(tkn.GetNextToken()); | |
76 | } | |
77 | } | |
78 | #endif | |
79 | ||
1e6feb95 VZ |
80 | wxAppBase::wxAppBase() |
81 | { | |
82 | wxTheApp = (wxApp *)this; | |
83 | ||
73deed44 | 84 | #if WXWIN_COMPATIBILITY_2_2 |
1e6feb95 | 85 | m_wantDebugOutput = FALSE; |
73deed44 | 86 | #endif // WXWIN_COMPATIBILITY_2_2 |
1e6feb95 VZ |
87 | |
88 | #if wxUSE_GUI | |
89 | m_topWindow = (wxWindow *)NULL; | |
90 | m_useBestVisual = FALSE; | |
91 | m_exitOnFrameDelete = TRUE; | |
92 | m_isActive = TRUE; | |
93 | #endif // wxUSE_GUI | |
697c5f51 VS |
94 | |
95 | #ifdef __WXDEBUG__ | |
96 | SetTraceMasks(); | |
97 | #endif | |
1e6feb95 VZ |
98 | } |
99 | ||
799ea011 GD |
100 | wxAppBase::~wxAppBase() |
101 | { | |
102 | // this destructor is required for Darwin | |
103 | } | |
104 | ||
1e6feb95 VZ |
105 | #if wxUSE_GUI |
106 | bool wxAppBase::OnInitGui() | |
107 | { | |
108 | #ifdef __WXUNIVERSAL__ | |
bf188f1a | 109 | if ( !wxTheme::Get() && !wxTheme::CreateDefault() ) |
1e6feb95 | 110 | return FALSE; |
536b70ac VS |
111 | wxArtProvider *art = wxTheme::Get()->GetArtProvider(); |
112 | if ( art ) | |
113 | wxArtProvider::PushProvider(art); | |
1e6feb95 VZ |
114 | #endif // __WXUNIVERSAL__ |
115 | ||
116 | return TRUE; | |
117 | } | |
118 | #endif // wxUSE_GUI | |
119 | ||
120 | int wxAppBase::OnExit() | |
121 | { | |
122 | #if wxUSE_CONFIG | |
123 | // delete the config object if any (don't use Get() here, but Set() | |
124 | // because Get() could create a new config object) | |
125 | delete wxConfigBase::Set((wxConfigBase *) NULL); | |
126 | #endif // wxUSE_CONFIG | |
127 | ||
128 | #ifdef __WXUNIVERSAL__ | |
129 | delete wxTheme::Set(NULL); | |
130 | #endif // __WXUNIVERSAL__ | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
72cdf4c9 VZ |
135 | // --------------------------------------------------------------------------- |
136 | // wxAppBase | |
137 | // ---------------------------------------------------------------------------- | |
138 | ||
139 | void wxAppBase::ProcessPendingEvents() | |
140 | { | |
141 | // ensure that we're the only thread to modify the pending events list | |
16c1f79c | 142 | wxENTER_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 VZ |
143 | |
144 | if ( !wxPendingEvents ) | |
16c1f79c RR |
145 | { |
146 | wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); | |
72cdf4c9 | 147 | return; |
16c1f79c | 148 | } |
72cdf4c9 VZ |
149 | |
150 | // iterate until the list becomes empty | |
151 | wxNode *node = wxPendingEvents->First(); | |
152 | while (node) | |
153 | { | |
154 | wxEvtHandler *handler = (wxEvtHandler *)node->Data(); | |
16c1f79c | 155 | delete node; |
72cdf4c9 | 156 | |
16c1f79c | 157 | // In ProcessPendingEvents(), new handlers might be add |
1d910ac1 | 158 | // and we can safely leave the critical section here. |
16c1f79c | 159 | wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 | 160 | handler->ProcessPendingEvents(); |
16c1f79c | 161 | wxENTER_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 | 162 | |
72cdf4c9 VZ |
163 | node = wxPendingEvents->First(); |
164 | } | |
1d910ac1 | 165 | |
16c1f79c | 166 | wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 VZ |
167 | } |
168 | ||
1e6feb95 VZ |
169 | // ---------------------------------------------------------------------------- |
170 | // misc | |
171 | // ---------------------------------------------------------------------------- | |
172 | ||
173 | #if wxUSE_GUI | |
174 | ||
6e169cf3 | 175 | void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) |
7beba2fc | 176 | { |
66dfed9b VZ |
177 | if ( active == m_isActive ) |
178 | return; | |
179 | ||
1e6feb95 | 180 | m_isActive = active; |
66dfed9b VZ |
181 | |
182 | wxActivateEvent event(wxEVT_ACTIVATE_APP, active); | |
183 | event.SetEventObject(this); | |
184 | ||
185 | (void)ProcessEvent(event); | |
7beba2fc | 186 | } |
1e6feb95 VZ |
187 | |
188 | #endif // wxUSE_GUI | |
bf188f1a VZ |
189 | |
190 | // ---------------------------------------------------------------------------- | |
191 | // cmd line parsing | |
192 | // ---------------------------------------------------------------------------- | |
193 | ||
194 | bool wxAppBase::OnInit() | |
195 | { | |
196 | #if wxUSE_CMDLINE_PARSER | |
197 | wxCmdLineParser parser(argc, argv); | |
198 | ||
199 | OnInitCmdLine(parser); | |
200 | ||
201 | bool cont; | |
be03c0ec | 202 | switch ( parser.Parse(FALSE /* don't show usage */) ) |
bf188f1a VZ |
203 | { |
204 | case -1: | |
205 | cont = OnCmdLineHelp(parser); | |
206 | break; | |
207 | ||
208 | case 0: | |
209 | cont = OnCmdLineParsed(parser); | |
210 | break; | |
211 | ||
212 | default: | |
213 | cont = OnCmdLineError(parser); | |
214 | break; | |
215 | } | |
216 | ||
217 | if ( !cont ) | |
218 | return FALSE; | |
219 | #endif // wxUSE_CMDLINE_PARSER | |
220 | ||
221 | return TRUE; | |
222 | } | |
223 | ||
224 | #if wxUSE_CMDLINE_PARSER | |
225 | ||
226 | #define OPTION_VERBOSE _T("verbose") | |
227 | #define OPTION_THEME _T("theme") | |
c358c660 | 228 | #define OPTION_MODE _T("mode") |
bf188f1a VZ |
229 | |
230 | void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) | |
231 | { | |
232 | // the standard command line options | |
233 | static const wxCmdLineEntryDesc cmdLineDesc[] = | |
234 | { | |
235 | { | |
236 | wxCMD_LINE_SWITCH, | |
237 | _T("h"), | |
238 | _T("help"), | |
239 | gettext_noop("show this help message"), | |
240 | wxCMD_LINE_VAL_NONE, | |
241 | wxCMD_LINE_OPTION_HELP | |
242 | }, | |
243 | ||
244 | #if wxUSE_LOG | |
245 | { | |
246 | wxCMD_LINE_SWITCH, | |
247 | _T(""), | |
248 | OPTION_VERBOSE, | |
249 | gettext_noop("generate verbose log messages") | |
250 | }, | |
0f02d3d0 | 251 | #endif // wxUSE_LOG |
bf188f1a VZ |
252 | |
253 | #ifdef __WXUNIVERSAL__ | |
254 | { | |
255 | wxCMD_LINE_OPTION, | |
256 | _T(""), | |
257 | OPTION_THEME, | |
258 | gettext_noop("specify the theme to use"), | |
259 | wxCMD_LINE_VAL_STRING | |
260 | }, | |
261 | #endif // __WXUNIVERSAL__ | |
262 | ||
c358c660 VS |
263 | #if defined(__WXMGL__) |
264 | // VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports | |
265 | // should provide this option. That's why it is in common/appcmn.cpp | |
266 | // and not mgl/app.cpp | |
267 | { | |
268 | wxCMD_LINE_OPTION, | |
269 | _T(""), | |
270 | OPTION_MODE, | |
271 | gettext_noop("specify display mode to use (e.g. 640x480-16)"), | |
272 | wxCMD_LINE_VAL_STRING | |
273 | }, | |
274 | #endif // __WXMGL__ | |
275 | ||
bf188f1a VZ |
276 | // terminator |
277 | { wxCMD_LINE_NONE } | |
278 | }; | |
279 | ||
280 | parser.SetDesc(cmdLineDesc); | |
281 | } | |
282 | ||
283 | bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) | |
284 | { | |
285 | #if wxUSE_LOG | |
286 | if ( parser.Found(OPTION_VERBOSE) ) | |
287 | { | |
288 | wxLog::SetVerbose(TRUE); | |
289 | } | |
290 | #endif // wxUSE_LOG | |
291 | ||
292 | #ifdef __WXUNIVERSAL__ | |
293 | wxString themeName; | |
294 | if ( parser.Found(OPTION_THEME, &themeName) ) | |
295 | { | |
296 | wxTheme *theme = wxTheme::Create(themeName); | |
297 | if ( !theme ) | |
298 | { | |
299 | wxLogError(_("Unsupported theme '%s'."), themeName.c_str()); | |
300 | ||
301 | return FALSE; | |
302 | } | |
303 | ||
304 | wxTheme::Set(theme); | |
305 | } | |
306 | #endif // __WXUNIVERSAL__ | |
307 | ||
c358c660 VS |
308 | #if defined(__WXMGL__) |
309 | wxString modeDesc; | |
310 | if ( parser.Found(OPTION_MODE, &modeDesc) ) | |
311 | { | |
312 | unsigned w, h, bpp; | |
313 | if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 ) | |
314 | { | |
49e885f8 | 315 | wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str()); |
c358c660 VS |
316 | |
317 | return FALSE; | |
318 | } | |
319 | ||
07082b28 | 320 | if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) ) |
49e885f8 | 321 | return FALSE; |
c358c660 | 322 | } |
be03c0ec | 323 | #endif // __WXMGL__ |
c358c660 | 324 | |
bf188f1a VZ |
325 | return TRUE; |
326 | } | |
327 | ||
328 | bool wxAppBase::OnCmdLineHelp(wxCmdLineParser& parser) | |
329 | { | |
330 | parser.Usage(); | |
331 | ||
332 | return FALSE; | |
333 | } | |
334 | ||
335 | bool wxAppBase::OnCmdLineError(wxCmdLineParser& parser) | |
336 | { | |
337 | parser.Usage(); | |
338 | ||
339 | return FALSE; | |
340 | } | |
341 | ||
342 | #endif // wxUSE_CMDLINE_PARSER | |
343 | ||
a5f1fd3e VZ |
344 | // ---------------------------------------------------------------------------- |
345 | // debugging support | |
346 | // ---------------------------------------------------------------------------- | |
347 | ||
348 | #ifdef __WXDEBUG__ | |
349 | ||
350 | // wxASSERT() helper | |
351 | bool wxAssertIsEqual(int x, int y) | |
352 | { | |
353 | return x == y; | |
354 | } | |
355 | ||
356 | // break into the debugger | |
357 | void wxTrap() | |
358 | { | |
359 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) | |
360 | DebugBreak(); | |
c31ad41d | 361 | #elif defined(__WXMAC__) && !defined(__DARWIN__) |
a5f1fd3e VZ |
362 | #if __powerc |
363 | Debugger(); | |
364 | #else | |
365 | SysBreak(); | |
366 | #endif | |
367 | #elif defined(__UNIX__) | |
368 | raise(SIGTRAP); | |
369 | #else | |
370 | // TODO | |
371 | #endif // Win/Unix | |
372 | } | |
373 | ||
374 | // show the assert modal dialog | |
375 | static | |
376 | void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg) | |
377 | { | |
378 | // this variable can be set to true to suppress "assert failure" messages | |
379 | static bool s_bNoAsserts = FALSE; | |
a5f1fd3e VZ |
380 | |
381 | wxChar szBuf[4096]; | |
382 | ||
383 | // make life easier for people using VC++ IDE: clicking on the message | |
384 | // will take us immediately to the place of the failed assert | |
385 | wxSnprintf(szBuf, WXSIZEOF(szBuf), | |
386 | #ifdef __VISUALC__ | |
387 | wxT("%s(%d): assert failed"), | |
388 | #else // !VC++ | |
389 | // make the error message more clear for all the others | |
390 | wxT("Assert failed in file %s at line %d"), | |
391 | #endif // VC/!VC | |
392 | szFile, nLine); | |
393 | ||
394 | if ( szMsg != NULL ) | |
395 | { | |
396 | wxStrcat(szBuf, wxT(": ")); | |
397 | wxStrcat(szBuf, szMsg); | |
398 | } | |
399 | else // no message given | |
400 | { | |
401 | wxStrcat(szBuf, wxT(".")); | |
402 | } | |
403 | ||
404 | if ( !s_bNoAsserts ) | |
405 | { | |
406 | // send it to the normal log destination | |
407 | wxLogDebug(szBuf); | |
408 | ||
409 | #if (wxUSE_GUI && wxUSE_MSGDLG) || defined(__WXMSW__) | |
410 | // this message is intentionally not translated - it is for | |
411 | // developpers only | |
412 | wxStrcat(szBuf, wxT("\nDo you want to stop the program?\nYou can also choose [Cancel] to suppress further warnings.")); | |
413 | ||
414 | // use the native message box if available: this is more robust than | |
415 | // using our own | |
416 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) | |
417 | switch ( ::MessageBox(NULL, szBuf, _T("Debug"), | |
418 | MB_YESNOCANCEL | MB_ICONSTOP ) ) | |
419 | { | |
420 | case IDYES: | |
421 | wxTrap(); | |
422 | break; | |
423 | ||
424 | case IDCANCEL: | |
425 | s_bNoAsserts = TRUE; | |
426 | break; | |
427 | ||
428 | //case IDNO: nothing to do | |
429 | } | |
430 | #else // !MSW | |
431 | switch ( wxMessageBox(szBuf, wxT("Debug"), | |
432 | wxYES_NO | wxCANCEL | wxICON_STOP ) ) | |
433 | { | |
434 | case wxYES: | |
435 | wxTrap(); | |
436 | break; | |
437 | ||
438 | case wxCANCEL: | |
439 | s_bNoAsserts = TRUE; | |
440 | break; | |
441 | ||
442 | //case wxNO: nothing to do | |
443 | } | |
444 | #endif // GUI or MSW | |
445 | ||
446 | #else // !GUI | |
447 | wxTrap(); | |
448 | #endif // GUI/!GUI | |
449 | } | |
a5f1fd3e VZ |
450 | } |
451 | ||
452 | // this function is called when an assert fails | |
453 | void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg) | |
454 | { | |
76456676 VZ |
455 | // FIXME MT-unsafe |
456 | static bool s_bInAssert = FALSE; | |
457 | ||
458 | if ( s_bInAssert ) | |
459 | { | |
460 | // He-e-e-e-elp!! we're trapped in endless loop | |
461 | wxTrap(); | |
462 | ||
463 | s_bInAssert = FALSE; | |
464 | ||
465 | return; | |
466 | } | |
467 | ||
468 | s_bInAssert = TRUE; | |
469 | ||
a5f1fd3e VZ |
470 | if ( !wxTheApp ) |
471 | { | |
472 | // by default, show the assert dialog box - we can't customize this | |
473 | // behaviour | |
474 | ShowAssertDialog(szFile, nLine, szMsg); | |
475 | } | |
476 | else | |
477 | { | |
478 | // let the app process it as it wants | |
479 | wxTheApp->OnAssert(szFile, nLine, szMsg); | |
480 | } | |
76456676 VZ |
481 | |
482 | s_bInAssert = FALSE; | |
a5f1fd3e VZ |
483 | } |
484 | ||
485 | void wxAppBase::OnAssert(const wxChar *file, int line, const wxChar *msg) | |
486 | { | |
487 | ShowAssertDialog(file, line, msg); | |
488 | } | |
489 | ||
490 | #endif //WXDEBUG | |
491 |