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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 | ||
d54598dd VZ |
52 | // =========================================================================== |
53 | // implementation | |
54 | // =========================================================================== | |
55 | ||
bf188f1a VZ |
56 | // ---------------------------------------------------------------------------- |
57 | // initialization and termination | |
58 | // ---------------------------------------------------------------------------- | |
59 | ||
1e6feb95 VZ |
60 | wxAppBase::wxAppBase() |
61 | { | |
62 | wxTheApp = (wxApp *)this; | |
63 | ||
64 | // VZ: what's this? is it obsolete? | |
65 | m_wantDebugOutput = FALSE; | |
66 | ||
67 | #if wxUSE_GUI | |
68 | m_topWindow = (wxWindow *)NULL; | |
69 | m_useBestVisual = FALSE; | |
70 | m_exitOnFrameDelete = TRUE; | |
71 | m_isActive = TRUE; | |
72 | #endif // wxUSE_GUI | |
73 | } | |
74 | ||
1e6feb95 VZ |
75 | #if wxUSE_GUI |
76 | bool wxAppBase::OnInitGui() | |
77 | { | |
78 | #ifdef __WXUNIVERSAL__ | |
bf188f1a | 79 | if ( !wxTheme::Get() && !wxTheme::CreateDefault() ) |
1e6feb95 VZ |
80 | return FALSE; |
81 | #endif // __WXUNIVERSAL__ | |
82 | ||
83 | return TRUE; | |
84 | } | |
85 | #endif // wxUSE_GUI | |
86 | ||
87 | int wxAppBase::OnExit() | |
88 | { | |
89 | #if wxUSE_CONFIG | |
90 | // delete the config object if any (don't use Get() here, but Set() | |
91 | // because Get() could create a new config object) | |
92 | delete wxConfigBase::Set((wxConfigBase *) NULL); | |
93 | #endif // wxUSE_CONFIG | |
94 | ||
95 | #ifdef __WXUNIVERSAL__ | |
96 | delete wxTheme::Set(NULL); | |
97 | #endif // __WXUNIVERSAL__ | |
98 | ||
99 | return 0; | |
100 | } | |
101 | ||
72cdf4c9 VZ |
102 | // --------------------------------------------------------------------------- |
103 | // wxAppBase | |
104 | // ---------------------------------------------------------------------------- | |
105 | ||
106 | void wxAppBase::ProcessPendingEvents() | |
107 | { | |
108 | // ensure that we're the only thread to modify the pending events list | |
16c1f79c | 109 | wxENTER_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 VZ |
110 | |
111 | if ( !wxPendingEvents ) | |
16c1f79c RR |
112 | { |
113 | wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); | |
72cdf4c9 | 114 | return; |
16c1f79c | 115 | } |
72cdf4c9 VZ |
116 | |
117 | // iterate until the list becomes empty | |
118 | wxNode *node = wxPendingEvents->First(); | |
119 | while (node) | |
120 | { | |
121 | wxEvtHandler *handler = (wxEvtHandler *)node->Data(); | |
16c1f79c | 122 | delete node; |
72cdf4c9 | 123 | |
16c1f79c | 124 | // In ProcessPendingEvents(), new handlers might be add |
1d910ac1 | 125 | // and we can safely leave the critical section here. |
16c1f79c | 126 | wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 | 127 | handler->ProcessPendingEvents(); |
16c1f79c | 128 | wxENTER_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 | 129 | |
72cdf4c9 VZ |
130 | node = wxPendingEvents->First(); |
131 | } | |
1d910ac1 | 132 | |
16c1f79c | 133 | wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); |
72cdf4c9 VZ |
134 | } |
135 | ||
1e6feb95 VZ |
136 | // ---------------------------------------------------------------------------- |
137 | // misc | |
138 | // ---------------------------------------------------------------------------- | |
139 | ||
140 | #if wxUSE_GUI | |
141 | ||
6e169cf3 | 142 | void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) |
7beba2fc | 143 | { |
1e6feb95 | 144 | m_isActive = active; |
7beba2fc | 145 | } |
1e6feb95 VZ |
146 | |
147 | #endif // wxUSE_GUI | |
bf188f1a VZ |
148 | |
149 | // ---------------------------------------------------------------------------- | |
150 | // cmd line parsing | |
151 | // ---------------------------------------------------------------------------- | |
152 | ||
153 | bool wxAppBase::OnInit() | |
154 | { | |
155 | #if wxUSE_CMDLINE_PARSER | |
156 | wxCmdLineParser parser(argc, argv); | |
157 | ||
158 | OnInitCmdLine(parser); | |
159 | ||
160 | bool cont; | |
161 | switch ( parser.Parse() ) | |
162 | { | |
163 | case -1: | |
164 | cont = OnCmdLineHelp(parser); | |
165 | break; | |
166 | ||
167 | case 0: | |
168 | cont = OnCmdLineParsed(parser); | |
169 | break; | |
170 | ||
171 | default: | |
172 | cont = OnCmdLineError(parser); | |
173 | break; | |
174 | } | |
175 | ||
176 | if ( !cont ) | |
177 | return FALSE; | |
178 | #endif // wxUSE_CMDLINE_PARSER | |
179 | ||
180 | return TRUE; | |
181 | } | |
182 | ||
183 | #if wxUSE_CMDLINE_PARSER | |
184 | ||
185 | #define OPTION_VERBOSE _T("verbose") | |
186 | #define OPTION_THEME _T("theme") | |
187 | ||
188 | void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) | |
189 | { | |
190 | // the standard command line options | |
191 | static const wxCmdLineEntryDesc cmdLineDesc[] = | |
192 | { | |
193 | { | |
194 | wxCMD_LINE_SWITCH, | |
195 | _T("h"), | |
196 | _T("help"), | |
197 | gettext_noop("show this help message"), | |
198 | wxCMD_LINE_VAL_NONE, | |
199 | wxCMD_LINE_OPTION_HELP | |
200 | }, | |
201 | ||
202 | #if wxUSE_LOG | |
203 | { | |
204 | wxCMD_LINE_SWITCH, | |
205 | _T(""), | |
206 | OPTION_VERBOSE, | |
207 | gettext_noop("generate verbose log messages") | |
208 | }, | |
0f02d3d0 | 209 | #endif // wxUSE_LOG |
bf188f1a VZ |
210 | |
211 | #ifdef __WXUNIVERSAL__ | |
212 | { | |
213 | wxCMD_LINE_OPTION, | |
214 | _T(""), | |
215 | OPTION_THEME, | |
216 | gettext_noop("specify the theme to use"), | |
217 | wxCMD_LINE_VAL_STRING | |
218 | }, | |
219 | #endif // __WXUNIVERSAL__ | |
220 | ||
221 | // terminator | |
222 | { wxCMD_LINE_NONE } | |
223 | }; | |
224 | ||
225 | parser.SetDesc(cmdLineDesc); | |
226 | } | |
227 | ||
228 | bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) | |
229 | { | |
230 | #if wxUSE_LOG | |
231 | if ( parser.Found(OPTION_VERBOSE) ) | |
232 | { | |
233 | wxLog::SetVerbose(TRUE); | |
234 | } | |
235 | #endif // wxUSE_LOG | |
236 | ||
237 | #ifdef __WXUNIVERSAL__ | |
238 | wxString themeName; | |
239 | if ( parser.Found(OPTION_THEME, &themeName) ) | |
240 | { | |
241 | wxTheme *theme = wxTheme::Create(themeName); | |
242 | if ( !theme ) | |
243 | { | |
244 | wxLogError(_("Unsupported theme '%s'."), themeName.c_str()); | |
245 | ||
246 | return FALSE; | |
247 | } | |
248 | ||
249 | wxTheme::Set(theme); | |
250 | } | |
251 | #endif // __WXUNIVERSAL__ | |
252 | ||
253 | return TRUE; | |
254 | } | |
255 | ||
256 | bool wxAppBase::OnCmdLineHelp(wxCmdLineParser& parser) | |
257 | { | |
258 | parser.Usage(); | |
259 | ||
260 | return FALSE; | |
261 | } | |
262 | ||
263 | bool wxAppBase::OnCmdLineError(wxCmdLineParser& parser) | |
264 | { | |
265 | parser.Usage(); | |
266 | ||
267 | return FALSE; | |
268 | } | |
269 | ||
270 | #endif // wxUSE_CMDLINE_PARSER | |
271 | ||
a5f1fd3e VZ |
272 | // ---------------------------------------------------------------------------- |
273 | // debugging support | |
274 | // ---------------------------------------------------------------------------- | |
275 | ||
276 | #ifdef __WXDEBUG__ | |
277 | ||
278 | // wxASSERT() helper | |
279 | bool wxAssertIsEqual(int x, int y) | |
280 | { | |
281 | return x == y; | |
282 | } | |
283 | ||
284 | // break into the debugger | |
285 | void wxTrap() | |
286 | { | |
287 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) | |
288 | DebugBreak(); | |
289 | #elif defined(__WXMAC__) | |
290 | #if __powerc | |
291 | Debugger(); | |
292 | #else | |
293 | SysBreak(); | |
294 | #endif | |
295 | #elif defined(__UNIX__) | |
296 | raise(SIGTRAP); | |
297 | #else | |
298 | // TODO | |
299 | #endif // Win/Unix | |
300 | } | |
301 | ||
302 | // show the assert modal dialog | |
303 | static | |
304 | void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg) | |
305 | { | |
306 | // this variable can be set to true to suppress "assert failure" messages | |
307 | static bool s_bNoAsserts = FALSE; | |
308 | static bool s_bInAssert = FALSE; // FIXME MT-unsafe | |
309 | ||
310 | if ( s_bInAssert ) | |
311 | { | |
312 | // He-e-e-e-elp!! we're trapped in endless loop | |
313 | wxTrap(); | |
314 | ||
315 | s_bInAssert = FALSE; | |
316 | ||
317 | return; | |
318 | } | |
319 | ||
320 | s_bInAssert = TRUE; | |
321 | ||
322 | wxChar szBuf[4096]; | |
323 | ||
324 | // make life easier for people using VC++ IDE: clicking on the message | |
325 | // will take us immediately to the place of the failed assert | |
326 | wxSnprintf(szBuf, WXSIZEOF(szBuf), | |
327 | #ifdef __VISUALC__ | |
328 | wxT("%s(%d): assert failed"), | |
329 | #else // !VC++ | |
330 | // make the error message more clear for all the others | |
331 | wxT("Assert failed in file %s at line %d"), | |
332 | #endif // VC/!VC | |
333 | szFile, nLine); | |
334 | ||
335 | if ( szMsg != NULL ) | |
336 | { | |
337 | wxStrcat(szBuf, wxT(": ")); | |
338 | wxStrcat(szBuf, szMsg); | |
339 | } | |
340 | else // no message given | |
341 | { | |
342 | wxStrcat(szBuf, wxT(".")); | |
343 | } | |
344 | ||
345 | if ( !s_bNoAsserts ) | |
346 | { | |
347 | // send it to the normal log destination | |
348 | wxLogDebug(szBuf); | |
349 | ||
350 | #if (wxUSE_GUI && wxUSE_MSGDLG) || defined(__WXMSW__) | |
351 | // this message is intentionally not translated - it is for | |
352 | // developpers only | |
353 | wxStrcat(szBuf, wxT("\nDo you want to stop the program?\nYou can also choose [Cancel] to suppress further warnings.")); | |
354 | ||
355 | // use the native message box if available: this is more robust than | |
356 | // using our own | |
357 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) | |
358 | switch ( ::MessageBox(NULL, szBuf, _T("Debug"), | |
359 | MB_YESNOCANCEL | MB_ICONSTOP ) ) | |
360 | { | |
361 | case IDYES: | |
362 | wxTrap(); | |
363 | break; | |
364 | ||
365 | case IDCANCEL: | |
366 | s_bNoAsserts = TRUE; | |
367 | break; | |
368 | ||
369 | //case IDNO: nothing to do | |
370 | } | |
371 | #else // !MSW | |
372 | switch ( wxMessageBox(szBuf, wxT("Debug"), | |
373 | wxYES_NO | wxCANCEL | wxICON_STOP ) ) | |
374 | { | |
375 | case wxYES: | |
376 | wxTrap(); | |
377 | break; | |
378 | ||
379 | case wxCANCEL: | |
380 | s_bNoAsserts = TRUE; | |
381 | break; | |
382 | ||
383 | //case wxNO: nothing to do | |
384 | } | |
385 | #endif // GUI or MSW | |
386 | ||
387 | #else // !GUI | |
388 | wxTrap(); | |
389 | #endif // GUI/!GUI | |
390 | } | |
391 | ||
392 | s_bInAssert = FALSE; | |
393 | } | |
394 | ||
395 | // this function is called when an assert fails | |
396 | void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg) | |
397 | { | |
159b66c0 RR |
398 | wxMessageBox( "ttest", "test", wxOK ); |
399 | return; | |
400 | ||
a5f1fd3e VZ |
401 | if ( !wxTheApp ) |
402 | { | |
403 | // by default, show the assert dialog box - we can't customize this | |
404 | // behaviour | |
405 | ShowAssertDialog(szFile, nLine, szMsg); | |
406 | } | |
407 | else | |
408 | { | |
409 | // let the app process it as it wants | |
410 | wxTheApp->OnAssert(szFile, nLine, szMsg); | |
411 | } | |
412 | } | |
413 | ||
414 | void wxAppBase::OnAssert(const wxChar *file, int line, const wxChar *msg) | |
415 | { | |
416 | ShowAssertDialog(file, line, msg); | |
417 | } | |
418 | ||
419 | #endif //WXDEBUG | |
420 |