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