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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/common/utilscmn.cpp | |
3 | // Purpose: Miscellaneous utility functions and classes | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 29/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1998 Julian Smart | |
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 | #include "wx/app.h" | |
29 | #include "wx/string.h" | |
30 | #include "wx/utils.h" | |
31 | #include "wx/intl.h" | |
32 | #include "wx/log.h" | |
33 | ||
34 | #if wxUSE_GUI | |
35 | #include "wx/window.h" | |
36 | #include "wx/frame.h" | |
37 | #include "wx/menu.h" | |
38 | #include "wx/msgdlg.h" | |
39 | #include "wx/textdlg.h" | |
40 | #include "wx/textctrl.h" // for wxTE_PASSWORD | |
41 | #if wxUSE_ACCEL | |
42 | #include "wx/menuitem.h" | |
43 | #include "wx/accel.h" | |
44 | #endif // wxUSE_ACCEL | |
45 | #endif // wxUSE_GUI | |
46 | #endif // WX_PRECOMP | |
47 | ||
48 | #include "wx/apptrait.h" | |
49 | ||
50 | #include "wx/process.h" | |
51 | #include "wx/txtstrm.h" | |
52 | #include "wx/uri.h" | |
53 | #include "wx/mimetype.h" | |
54 | #include "wx/config.h" | |
55 | ||
56 | #if defined(__WXWINCE__) && wxUSE_DATETIME | |
57 | #include "wx/datetime.h" | |
58 | #endif | |
59 | ||
60 | #include <ctype.h> | |
61 | #include <stdio.h> | |
62 | #include <stdlib.h> | |
63 | #include <string.h> | |
64 | ||
65 | #if !defined(__WATCOMC__) | |
66 | #if !(defined(_MSC_VER) && (_MSC_VER > 800)) | |
67 | #include <errno.h> | |
68 | #endif | |
69 | #endif | |
70 | ||
71 | #if wxUSE_GUI | |
72 | #include "wx/colordlg.h" | |
73 | #include "wx/fontdlg.h" | |
74 | #include "wx/notebook.h" | |
75 | #include "wx/frame.h" | |
76 | #include "wx/statusbr.h" | |
77 | #endif // wxUSE_GUI | |
78 | ||
79 | #ifndef __WXWINCE__ | |
80 | #include <time.h> | |
81 | #else | |
82 | #include "wx/msw/wince/time.h" | |
83 | #endif | |
84 | ||
85 | #if !defined(__MWERKS__) && !defined(__WXWINCE__) | |
86 | #include <sys/types.h> | |
87 | #include <sys/stat.h> | |
88 | #endif | |
89 | ||
90 | #if defined(__WXMSW__) | |
91 | #include "wx/msw/private.h" | |
92 | #include "wx/msw/registry.h" | |
93 | #endif | |
94 | ||
95 | #if wxUSE_BASE | |
96 | ||
97 | // ---------------------------------------------------------------------------- | |
98 | // common data | |
99 | // ---------------------------------------------------------------------------- | |
100 | ||
101 | // ============================================================================ | |
102 | // implementation | |
103 | // ============================================================================ | |
104 | ||
105 | #if WXWIN_COMPATIBILITY_2_4 | |
106 | ||
107 | wxChar * | |
108 | copystring (const wxChar *s) | |
109 | { | |
110 | if (s == NULL) s = wxEmptyString; | |
111 | size_t len = wxStrlen (s) + 1; | |
112 | ||
113 | wxChar *news = new wxChar[len]; | |
114 | memcpy (news, s, len * sizeof(wxChar)); // Should be the fastest | |
115 | ||
116 | return news; | |
117 | } | |
118 | ||
119 | #endif // WXWIN_COMPATIBILITY_2_4 | |
120 | ||
121 | // ---------------------------------------------------------------------------- | |
122 | // String <-> Number conversions (deprecated) | |
123 | // ---------------------------------------------------------------------------- | |
124 | ||
125 | #if WXWIN_COMPATIBILITY_2_4 | |
126 | ||
127 | WXDLLIMPEXP_DATA_BASE(const wxChar *) wxFloatToStringStr = wxT("%.2f"); | |
128 | WXDLLIMPEXP_DATA_BASE(const wxChar *) wxDoubleToStringStr = wxT("%.2f"); | |
129 | ||
130 | void | |
131 | StringToFloat (const wxChar *s, float *number) | |
132 | { | |
133 | if (s && *s && number) | |
134 | *number = (float) wxStrtod (s, (wxChar **) NULL); | |
135 | } | |
136 | ||
137 | void | |
138 | StringToDouble (const wxChar *s, double *number) | |
139 | { | |
140 | if (s && *s && number) | |
141 | *number = wxStrtod (s, (wxChar **) NULL); | |
142 | } | |
143 | ||
144 | wxChar * | |
145 | FloatToString (float number, const wxChar *fmt) | |
146 | { | |
147 | static wxChar buf[256]; | |
148 | ||
149 | wxSprintf (buf, fmt, number); | |
150 | return buf; | |
151 | } | |
152 | ||
153 | wxChar * | |
154 | DoubleToString (double number, const wxChar *fmt) | |
155 | { | |
156 | static wxChar buf[256]; | |
157 | ||
158 | wxSprintf (buf, fmt, number); | |
159 | return buf; | |
160 | } | |
161 | ||
162 | void | |
163 | StringToInt (const wxChar *s, int *number) | |
164 | { | |
165 | if (s && *s && number) | |
166 | *number = (int) wxStrtol (s, (wxChar **) NULL, 10); | |
167 | } | |
168 | ||
169 | void | |
170 | StringToLong (const wxChar *s, long *number) | |
171 | { | |
172 | if (s && *s && number) | |
173 | *number = wxStrtol (s, (wxChar **) NULL, 10); | |
174 | } | |
175 | ||
176 | wxChar * | |
177 | IntToString (int number) | |
178 | { | |
179 | static wxChar buf[20]; | |
180 | ||
181 | wxSprintf (buf, wxT("%d"), number); | |
182 | return buf; | |
183 | } | |
184 | ||
185 | wxChar * | |
186 | LongToString (long number) | |
187 | { | |
188 | static wxChar buf[20]; | |
189 | ||
190 | wxSprintf (buf, wxT("%ld"), number); | |
191 | return buf; | |
192 | } | |
193 | ||
194 | #endif // WXWIN_COMPATIBILITY_2_4 | |
195 | ||
196 | // Array used in DecToHex conversion routine. | |
197 | static wxChar hexArray[] = wxT("0123456789ABCDEF"); | |
198 | ||
199 | // Convert 2-digit hex number to decimal | |
200 | int wxHexToDec(const wxString& buf) | |
201 | { | |
202 | int firstDigit, secondDigit; | |
203 | ||
204 | if (buf.GetChar(0) >= wxT('A')) | |
205 | firstDigit = buf.GetChar(0) - wxT('A') + 10; | |
206 | else | |
207 | firstDigit = buf.GetChar(0) - wxT('0'); | |
208 | ||
209 | if (buf.GetChar(1) >= wxT('A')) | |
210 | secondDigit = buf.GetChar(1) - wxT('A') + 10; | |
211 | else | |
212 | secondDigit = buf.GetChar(1) - wxT('0'); | |
213 | ||
214 | return (firstDigit & 0xF) * 16 + (secondDigit & 0xF ); | |
215 | } | |
216 | ||
217 | // Convert decimal integer to 2-character hex string | |
218 | void wxDecToHex(int dec, wxChar *buf) | |
219 | { | |
220 | int firstDigit = (int)(dec/16.0); | |
221 | int secondDigit = (int)(dec - (firstDigit*16.0)); | |
222 | buf[0] = hexArray[firstDigit]; | |
223 | buf[1] = hexArray[secondDigit]; | |
224 | buf[2] = 0; | |
225 | } | |
226 | ||
227 | // Convert decimal integer to 2-character hex string | |
228 | wxString wxDecToHex(int dec) | |
229 | { | |
230 | wxChar buf[3]; | |
231 | wxDecToHex(dec, buf); | |
232 | return wxString(buf); | |
233 | } | |
234 | ||
235 | // ---------------------------------------------------------------------------- | |
236 | // misc functions | |
237 | // ---------------------------------------------------------------------------- | |
238 | ||
239 | // Return the current date/time | |
240 | wxString wxNow() | |
241 | { | |
242 | #ifdef __WXWINCE__ | |
243 | #if wxUSE_DATETIME | |
244 | wxDateTime now = wxDateTime::Now(); | |
245 | return now.Format(); | |
246 | #else | |
247 | return wxEmptyString; | |
248 | #endif | |
249 | #else | |
250 | time_t now = time((time_t *) NULL); | |
251 | char *date = ctime(&now); | |
252 | date[24] = '\0'; | |
253 | return wxString::FromAscii(date); | |
254 | #endif | |
255 | } | |
256 | ||
257 | void wxUsleep(unsigned long milliseconds) | |
258 | { | |
259 | wxMilliSleep(milliseconds); | |
260 | } | |
261 | ||
262 | const wxChar *wxGetInstallPrefix() | |
263 | { | |
264 | wxString prefix; | |
265 | ||
266 | if ( wxGetEnv(wxT("WXPREFIX"), &prefix) ) | |
267 | return prefix.c_str(); | |
268 | ||
269 | #ifdef wxINSTALL_PREFIX | |
270 | return wxT(wxINSTALL_PREFIX); | |
271 | #else | |
272 | return wxEmptyString; | |
273 | #endif | |
274 | } | |
275 | ||
276 | wxString wxGetDataDir() | |
277 | { | |
278 | wxString dir = wxGetInstallPrefix(); | |
279 | dir << wxFILE_SEP_PATH << wxT("share") << wxFILE_SEP_PATH << wxT("wx"); | |
280 | return dir; | |
281 | } | |
282 | ||
283 | int wxGetOsVersion(int *verMaj, int *verMin) | |
284 | { | |
285 | // we want this function to work even if there is no wxApp | |
286 | wxConsoleAppTraits traitsConsole; | |
287 | wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL; | |
288 | if ( ! traits ) | |
289 | traits = &traitsConsole; | |
290 | ||
291 | wxToolkitInfo& info = traits->GetToolkitInfo(); | |
292 | if ( verMaj ) | |
293 | *verMaj = info.versionMajor; | |
294 | if ( verMin ) | |
295 | *verMin = info.versionMinor; | |
296 | return info.os; | |
297 | } | |
298 | ||
299 | // ---------------------------------------------------------------------------- | |
300 | // network and user id functions | |
301 | // ---------------------------------------------------------------------------- | |
302 | ||
303 | // Get Full RFC822 style email address | |
304 | bool wxGetEmailAddress(wxChar *address, int maxSize) | |
305 | { | |
306 | wxString email = wxGetEmailAddress(); | |
307 | if ( !email ) | |
308 | return false; | |
309 | ||
310 | wxStrncpy(address, email, maxSize - 1); | |
311 | address[maxSize - 1] = wxT('\0'); | |
312 | ||
313 | return true; | |
314 | } | |
315 | ||
316 | wxString wxGetEmailAddress() | |
317 | { | |
318 | wxString email; | |
319 | ||
320 | wxString host = wxGetFullHostName(); | |
321 | if ( !host.empty() ) | |
322 | { | |
323 | wxString user = wxGetUserId(); | |
324 | if ( !user.empty() ) | |
325 | { | |
326 | email << user << wxT('@') << host; | |
327 | } | |
328 | } | |
329 | ||
330 | return email; | |
331 | } | |
332 | ||
333 | wxString wxGetUserId() | |
334 | { | |
335 | static const int maxLoginLen = 256; // FIXME arbitrary number | |
336 | ||
337 | wxString buf; | |
338 | bool ok = wxGetUserId(wxStringBuffer(buf, maxLoginLen), maxLoginLen); | |
339 | ||
340 | if ( !ok ) | |
341 | buf.Empty(); | |
342 | ||
343 | return buf; | |
344 | } | |
345 | ||
346 | wxString wxGetUserName() | |
347 | { | |
348 | static const int maxUserNameLen = 1024; // FIXME arbitrary number | |
349 | ||
350 | wxString buf; | |
351 | bool ok = wxGetUserName(wxStringBuffer(buf, maxUserNameLen), maxUserNameLen); | |
352 | ||
353 | if ( !ok ) | |
354 | buf.Empty(); | |
355 | ||
356 | return buf; | |
357 | } | |
358 | ||
359 | wxString wxGetHostName() | |
360 | { | |
361 | static const size_t hostnameSize = 257; | |
362 | ||
363 | wxString buf; | |
364 | bool ok = wxGetHostName(wxStringBuffer(buf, hostnameSize), hostnameSize); | |
365 | ||
366 | if ( !ok ) | |
367 | buf.Empty(); | |
368 | ||
369 | return buf; | |
370 | } | |
371 | ||
372 | wxString wxGetFullHostName() | |
373 | { | |
374 | static const size_t hostnameSize = 257; | |
375 | ||
376 | wxString buf; | |
377 | bool ok = wxGetFullHostName(wxStringBuffer(buf, hostnameSize), hostnameSize); | |
378 | ||
379 | if ( !ok ) | |
380 | buf.Empty(); | |
381 | ||
382 | return buf; | |
383 | } | |
384 | ||
385 | wxString wxGetHomeDir() | |
386 | { | |
387 | wxString home; | |
388 | wxGetHomeDir(&home); | |
389 | ||
390 | return home; | |
391 | } | |
392 | ||
393 | #if 0 | |
394 | ||
395 | wxString wxGetCurrentDir() | |
396 | { | |
397 | wxString dir; | |
398 | size_t len = 1024; | |
399 | bool ok; | |
400 | do | |
401 | { | |
402 | ok = getcwd(dir.GetWriteBuf(len + 1), len) != NULL; | |
403 | dir.UngetWriteBuf(); | |
404 | ||
405 | if ( !ok ) | |
406 | { | |
407 | if ( errno != ERANGE ) | |
408 | { | |
409 | wxLogSysError(_T("Failed to get current directory")); | |
410 | ||
411 | return wxEmptyString; | |
412 | } | |
413 | else | |
414 | { | |
415 | // buffer was too small, retry with a larger one | |
416 | len *= 2; | |
417 | } | |
418 | } | |
419 | //else: ok | |
420 | } while ( !ok ); | |
421 | ||
422 | return dir; | |
423 | } | |
424 | ||
425 | #endif // 0 | |
426 | ||
427 | // ---------------------------------------------------------------------------- | |
428 | // wxExecute | |
429 | // ---------------------------------------------------------------------------- | |
430 | ||
431 | // wxDoExecuteWithCapture() helper: reads an entire stream into one array | |
432 | // | |
433 | // returns true if ok, false if error | |
434 | #if wxUSE_STREAMS | |
435 | static bool ReadAll(wxInputStream *is, wxArrayString& output) | |
436 | { | |
437 | wxCHECK_MSG( is, false, _T("NULL stream in wxExecute()?") ); | |
438 | ||
439 | // the stream could be already at EOF or in wxSTREAM_BROKEN_PIPE state | |
440 | is->Reset(); | |
441 | ||
442 | wxTextInputStream tis(*is); | |
443 | ||
444 | bool cont = true; | |
445 | while ( cont ) | |
446 | { | |
447 | wxString line = tis.ReadLine(); | |
448 | if ( is->Eof() ) | |
449 | break; | |
450 | ||
451 | if ( !*is ) | |
452 | { | |
453 | cont = false; | |
454 | } | |
455 | else | |
456 | { | |
457 | output.Add(line); | |
458 | } | |
459 | } | |
460 | ||
461 | return cont; | |
462 | } | |
463 | #endif // wxUSE_STREAMS | |
464 | ||
465 | // this is a private function because it hasn't a clean interface: the first | |
466 | // array is passed by reference, the second by pointer - instead we have 2 | |
467 | // public versions of wxExecute() below | |
468 | static long wxDoExecuteWithCapture(const wxString& command, | |
469 | wxArrayString& output, | |
470 | wxArrayString* error, | |
471 | int flags) | |
472 | { | |
473 | // create a wxProcess which will capture the output | |
474 | wxProcess *process = new wxProcess; | |
475 | process->Redirect(); | |
476 | ||
477 | long rc = wxExecute(command, wxEXEC_SYNC | flags, process); | |
478 | ||
479 | #if wxUSE_STREAMS | |
480 | if ( rc != -1 ) | |
481 | { | |
482 | if ( !ReadAll(process->GetInputStream(), output) ) | |
483 | rc = -1; | |
484 | ||
485 | if ( error ) | |
486 | { | |
487 | if ( !ReadAll(process->GetErrorStream(), *error) ) | |
488 | rc = -1; | |
489 | } | |
490 | ||
491 | } | |
492 | #else | |
493 | wxUnusedVar(output); | |
494 | wxUnusedVar(error); | |
495 | #endif // wxUSE_STREAMS/!wxUSE_STREAMS | |
496 | ||
497 | delete process; | |
498 | ||
499 | return rc; | |
500 | } | |
501 | ||
502 | long wxExecute(const wxString& command, wxArrayString& output, int flags) | |
503 | { | |
504 | return wxDoExecuteWithCapture(command, output, NULL, flags); | |
505 | } | |
506 | ||
507 | long wxExecute(const wxString& command, | |
508 | wxArrayString& output, | |
509 | wxArrayString& error, | |
510 | int flags) | |
511 | { | |
512 | return wxDoExecuteWithCapture(command, output, &error, flags); | |
513 | } | |
514 | ||
515 | // ---------------------------------------------------------------------------- | |
516 | // Launch default browser | |
517 | // ---------------------------------------------------------------------------- | |
518 | ||
519 | bool wxLaunchDefaultBrowser(const wxString& urlOrig, int flags) | |
520 | { | |
521 | wxUnusedVar(flags); | |
522 | ||
523 | // set the scheme of url to http if it does not have one | |
524 | wxString url(urlOrig); | |
525 | if ( !wxURI(url).HasScheme() ) | |
526 | url.Prepend(wxT("http://")); | |
527 | ||
528 | #if defined(__WXMSW__) | |
529 | ||
530 | #if wxUSE_IPC | |
531 | if ( flags & wxBROWSER_NEW_WINDOW ) | |
532 | { | |
533 | // ShellExecuteEx() opens the URL in an existing window by default so | |
534 | // we can't use it if we need a new window | |
535 | wxRegKey key(wxRegKey::HKCR, url.BeforeFirst(':') + _T("\\shell\\open")); | |
536 | if ( key.Exists() ) | |
537 | { | |
538 | wxRegKey keyDDE(key, wxT("DDEExec")); | |
539 | if ( keyDDE.Exists() ) | |
540 | { | |
541 | const wxString ddeTopic = wxRegKey(keyDDE, wxT("topic")); | |
542 | ||
543 | // we only know the syntax of WWW_OpenURL DDE request for IE, | |
544 | // optimistically assume that all other browsers are compatible | |
545 | // with it | |
546 | wxString ddeCmd; | |
547 | bool ok = ddeTopic == wxT("WWW_OpenURL"); | |
548 | if ( ok ) | |
549 | { | |
550 | ddeCmd = keyDDE.QueryDefaultValue(); | |
551 | ok = !ddeCmd.empty(); | |
552 | } | |
553 | ||
554 | if ( ok ) | |
555 | { | |
556 | // for WWW_OpenURL, the index of the window to open the URL | |
557 | // in is -1 (meaning "current") by default, replace it with | |
558 | // 0 which means "new" (see KB article 160957) | |
559 | ok = ddeCmd.Replace(wxT("-1"), wxT("0"), | |
560 | false /* only first occurence */) == 1; | |
561 | } | |
562 | ||
563 | if ( ok ) | |
564 | { | |
565 | // and also replace the parameters: the topic should | |
566 | // contain a placeholder for the URL | |
567 | ok = ddeCmd.Replace(wxT("%1"), url, false) == 1; | |
568 | } | |
569 | ||
570 | if ( ok ) | |
571 | { | |
572 | // try to send it the DDE request now but ignore the errors | |
573 | wxLogNull noLog; | |
574 | ||
575 | const wxString ddeServer = wxRegKey(keyDDE, wxT("application")); | |
576 | if ( wxExecuteDDE(ddeServer, ddeTopic, ddeCmd) ) | |
577 | return true; | |
578 | ||
579 | // this is not necessarily an error: maybe browser is | |
580 | // simply not running, but no matter, in any case we're | |
581 | // going to launch it using ShellExecuteEx() below now and | |
582 | // we shouldn't try to open a new window if we open a new | |
583 | // browser anyhow | |
584 | } | |
585 | } | |
586 | } | |
587 | } | |
588 | #endif // wxUSE_IPC | |
589 | ||
590 | WinStruct<SHELLEXECUTEINFO> sei; | |
591 | sei.lpFile = url.c_str(); | |
592 | sei.lpVerb = _T("open"); | |
593 | sei.nShow = SW_SHOWNORMAL; | |
594 | ||
595 | ::ShellExecuteEx(&sei); | |
596 | ||
597 | const int nResult = (int) sei.hInstApp; | |
598 | ||
599 | // Firefox returns file not found for some reason, so make an exception | |
600 | // for it | |
601 | if ( nResult > 32 || nResult == SE_ERR_FNF ) | |
602 | { | |
603 | #ifdef __WXDEBUG__ | |
604 | // Log something if SE_ERR_FNF happens | |
605 | if ( nResult == SE_ERR_FNF ) | |
606 | wxLogDebug(wxT("SE_ERR_FNF from ShellExecute -- maybe FireFox?")); | |
607 | #endif // __WXDEBUG__ | |
608 | return true; | |
609 | } | |
610 | #elif wxUSE_MIMETYPE | |
611 | // Non-windows way | |
612 | wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension (_T("html")); | |
613 | if ( ft ) | |
614 | { | |
615 | wxString mt; | |
616 | ft->GetMimeType(&mt); | |
617 | ||
618 | wxString cmd; | |
619 | bool ok = ft->GetOpenCommand(&cmd, wxFileType::MessageParameters(url)); | |
620 | delete ft; | |
621 | ||
622 | if ( !ok || cmd.empty() ) | |
623 | { | |
624 | // fallback to checking for the BROWSER environment variable | |
625 | cmd = wxGetenv(wxT("BROWSER")); | |
626 | if ( !cmd.empty() ) | |
627 | cmd << _T(' ') << url; | |
628 | } | |
629 | ||
630 | if ( !cmd.empty() && wxExecute(cmd) ) | |
631 | return true; | |
632 | } | |
633 | else // no file type for html extension | |
634 | { | |
635 | wxLogError(_T("No default application configured for HTML files.")); | |
636 | } | |
637 | #endif // !wxUSE_MIMETYPE && !__WXMSW__ | |
638 | ||
639 | wxLogSysError(_T("Failed to open URL \"%s\" in default browser."), | |
640 | url.c_str()); | |
641 | ||
642 | return false; | |
643 | } | |
644 | ||
645 | // ---------------------------------------------------------------------------- | |
646 | // wxApp::Yield() wrappers for backwards compatibility | |
647 | // ---------------------------------------------------------------------------- | |
648 | ||
649 | bool wxYield() | |
650 | { | |
651 | return wxTheApp && wxTheApp->Yield(); | |
652 | } | |
653 | ||
654 | bool wxYieldIfNeeded() | |
655 | { | |
656 | return wxTheApp && wxTheApp->Yield(true); | |
657 | } | |
658 | ||
659 | #endif // wxUSE_BASE | |
660 | ||
661 | // ============================================================================ | |
662 | // GUI-only functions from now on | |
663 | // ============================================================================ | |
664 | ||
665 | #if wxUSE_GUI | |
666 | ||
667 | // Id generation | |
668 | static long wxCurrentId = 100; | |
669 | ||
670 | long wxNewId() | |
671 | { | |
672 | // skip the part of IDs space that contains hard-coded values: | |
673 | if (wxCurrentId == wxID_LOWEST) | |
674 | wxCurrentId = wxID_HIGHEST + 1; | |
675 | ||
676 | return wxCurrentId++; | |
677 | } | |
678 | ||
679 | long | |
680 | wxGetCurrentId(void) { return wxCurrentId; } | |
681 | ||
682 | void | |
683 | wxRegisterId (long id) | |
684 | { | |
685 | if (id >= wxCurrentId) | |
686 | wxCurrentId = id + 1; | |
687 | } | |
688 | ||
689 | #if wxUSE_MENUS | |
690 | ||
691 | // ---------------------------------------------------------------------------- | |
692 | // Menu accelerators related functions | |
693 | // ---------------------------------------------------------------------------- | |
694 | ||
695 | wxChar *wxStripMenuCodes(const wxChar *in, wxChar *out) | |
696 | { | |
697 | wxString s = wxMenuItem::GetLabelFromText(in); | |
698 | if ( out ) | |
699 | { | |
700 | // go smash their buffer if it's not big enough - I love char * params | |
701 | memcpy(out, s.c_str(), s.length() * sizeof(wxChar)); | |
702 | } | |
703 | else | |
704 | { | |
705 | // MYcopystring - for easier search... | |
706 | out = new wxChar[s.length() + 1]; | |
707 | wxStrcpy(out, s.c_str()); | |
708 | } | |
709 | ||
710 | return out; | |
711 | } | |
712 | ||
713 | wxString wxStripMenuCodes(const wxString& in) | |
714 | { | |
715 | wxString out; | |
716 | ||
717 | size_t len = in.length(); | |
718 | out.reserve(len); | |
719 | ||
720 | for ( size_t n = 0; n < len; n++ ) | |
721 | { | |
722 | wxChar ch = in[n]; | |
723 | if ( ch == _T('&') ) | |
724 | { | |
725 | // skip it, it is used to introduce the accel char (or to quote | |
726 | // itself in which case it should still be skipped): note that it | |
727 | // can't be the last character of the string | |
728 | if ( ++n == len ) | |
729 | { | |
730 | wxLogDebug(_T("Invalid menu string '%s'"), in.c_str()); | |
731 | } | |
732 | else | |
733 | { | |
734 | // use the next char instead | |
735 | ch = in[n]; | |
736 | } | |
737 | } | |
738 | else if ( ch == _T('\t') ) | |
739 | { | |
740 | // everything after TAB is accel string, exit the loop | |
741 | break; | |
742 | } | |
743 | ||
744 | out += ch; | |
745 | } | |
746 | ||
747 | return out; | |
748 | } | |
749 | ||
750 | #endif // wxUSE_MENUS | |
751 | ||
752 | // ---------------------------------------------------------------------------- | |
753 | // Window search functions | |
754 | // ---------------------------------------------------------------------------- | |
755 | ||
756 | /* | |
757 | * If parent is non-NULL, look through children for a label or title | |
758 | * matching the specified string. If NULL, look through all top-level windows. | |
759 | * | |
760 | */ | |
761 | ||
762 | wxWindow * | |
763 | wxFindWindowByLabel (const wxString& title, wxWindow * parent) | |
764 | { | |
765 | return wxWindow::FindWindowByLabel( title, parent ); | |
766 | } | |
767 | ||
768 | ||
769 | /* | |
770 | * If parent is non-NULL, look through children for a name | |
771 | * matching the specified string. If NULL, look through all top-level windows. | |
772 | * | |
773 | */ | |
774 | ||
775 | wxWindow * | |
776 | wxFindWindowByName (const wxString& name, wxWindow * parent) | |
777 | { | |
778 | return wxWindow::FindWindowByName( name, parent ); | |
779 | } | |
780 | ||
781 | // Returns menu item id or wxNOT_FOUND if none. | |
782 | int | |
783 | wxFindMenuItemId (wxFrame * frame, const wxString& menuString, const wxString& itemString) | |
784 | { | |
785 | #if wxUSE_MENUS | |
786 | wxMenuBar *menuBar = frame->GetMenuBar (); | |
787 | if ( menuBar ) | |
788 | return menuBar->FindMenuItem (menuString, itemString); | |
789 | #endif // wxUSE_MENUS | |
790 | ||
791 | return wxNOT_FOUND; | |
792 | } | |
793 | ||
794 | // Try to find the deepest child that contains 'pt'. | |
795 | // We go backwards, to try to allow for controls that are spacially | |
796 | // within other controls, but are still siblings (e.g. buttons within | |
797 | // static boxes). Static boxes are likely to be created _before_ controls | |
798 | // that sit inside them. | |
799 | wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt) | |
800 | { | |
801 | if (!win->IsShown()) | |
802 | return NULL; | |
803 | ||
804 | // Hack for wxNotebook case: at least in wxGTK, all pages | |
805 | // claim to be shown, so we must only deal with the selected one. | |
806 | #if wxUSE_NOTEBOOK | |
807 | if (win->IsKindOf(CLASSINFO(wxNotebook))) | |
808 | { | |
809 | wxNotebook* nb = (wxNotebook*) win; | |
810 | int sel = nb->GetSelection(); | |
811 | if (sel >= 0) | |
812 | { | |
813 | wxWindow* child = nb->GetPage(sel); | |
814 | wxWindow* foundWin = wxFindWindowAtPoint(child, pt); | |
815 | if (foundWin) | |
816 | return foundWin; | |
817 | } | |
818 | } | |
819 | #endif | |
820 | ||
821 | wxWindowList::compatibility_iterator node = win->GetChildren().GetLast(); | |
822 | while (node) | |
823 | { | |
824 | wxWindow* child = node->GetData(); | |
825 | wxWindow* foundWin = wxFindWindowAtPoint(child, pt); | |
826 | if (foundWin) | |
827 | return foundWin; | |
828 | node = node->GetPrevious(); | |
829 | } | |
830 | ||
831 | wxPoint pos = win->GetPosition(); | |
832 | wxSize sz = win->GetSize(); | |
833 | if (win->GetParent()) | |
834 | { | |
835 | pos = win->GetParent()->ClientToScreen(pos); | |
836 | } | |
837 | ||
838 | wxRect rect(pos, sz); | |
839 | if (rect.Inside(pt)) | |
840 | return win; | |
841 | else | |
842 | return NULL; | |
843 | } | |
844 | ||
845 | wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt) | |
846 | { | |
847 | // Go backwards through the list since windows | |
848 | // on top are likely to have been appended most | |
849 | // recently. | |
850 | wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetLast(); | |
851 | while (node) | |
852 | { | |
853 | wxWindow* win = node->GetData(); | |
854 | wxWindow* found = wxFindWindowAtPoint(win, pt); | |
855 | if (found) | |
856 | return found; | |
857 | node = node->GetPrevious(); | |
858 | } | |
859 | return NULL; | |
860 | } | |
861 | ||
862 | // ---------------------------------------------------------------------------- | |
863 | // GUI helpers | |
864 | // ---------------------------------------------------------------------------- | |
865 | ||
866 | /* | |
867 | * N.B. these convenience functions must be separate from msgdlgg.cpp, textdlgg.cpp | |
868 | * since otherwise the generic code may be pulled in unnecessarily. | |
869 | */ | |
870 | ||
871 | #if wxUSE_MSGDLG | |
872 | ||
873 | int wxMessageBox(const wxString& message, const wxString& caption, long style, | |
874 | wxWindow *parent, int WXUNUSED(x), int WXUNUSED(y) ) | |
875 | { | |
876 | long decorated_style = style; | |
877 | ||
878 | if ( ( style & ( wxICON_EXCLAMATION | wxICON_HAND | wxICON_INFORMATION | wxICON_QUESTION ) ) == 0 ) | |
879 | { | |
880 | decorated_style |= ( style & wxYES ) ? wxICON_QUESTION : wxICON_INFORMATION ; | |
881 | } | |
882 | ||
883 | wxMessageDialog dialog(parent, message, caption, decorated_style); | |
884 | ||
885 | int ans = dialog.ShowModal(); | |
886 | switch ( ans ) | |
887 | { | |
888 | case wxID_OK: | |
889 | return wxOK; | |
890 | case wxID_YES: | |
891 | return wxYES; | |
892 | case wxID_NO: | |
893 | return wxNO; | |
894 | case wxID_CANCEL: | |
895 | return wxCANCEL; | |
896 | } | |
897 | ||
898 | wxFAIL_MSG( _T("unexpected return code from wxMessageDialog") ); | |
899 | ||
900 | return wxCANCEL; | |
901 | } | |
902 | ||
903 | #endif // wxUSE_MSGDLG | |
904 | ||
905 | #if wxUSE_TEXTDLG | |
906 | ||
907 | wxString wxGetTextFromUser(const wxString& message, const wxString& caption, | |
908 | const wxString& defaultValue, wxWindow *parent, | |
909 | wxCoord x, wxCoord y, bool centre ) | |
910 | { | |
911 | wxString str; | |
912 | long style = wxTextEntryDialogStyle; | |
913 | ||
914 | if (centre) | |
915 | style |= wxCENTRE; | |
916 | else | |
917 | style &= ~wxCENTRE; | |
918 | ||
919 | wxTextEntryDialog dialog(parent, message, caption, defaultValue, style, wxPoint(x, y)); | |
920 | ||
921 | if (dialog.ShowModal() == wxID_OK) | |
922 | { | |
923 | str = dialog.GetValue(); | |
924 | } | |
925 | ||
926 | return str; | |
927 | } | |
928 | ||
929 | wxString wxGetPasswordFromUser(const wxString& message, | |
930 | const wxString& caption, | |
931 | const wxString& defaultValue, | |
932 | wxWindow *parent, | |
933 | wxCoord x, wxCoord y, bool centre ) | |
934 | { | |
935 | wxString str; | |
936 | long style = wxTextEntryDialogStyle; | |
937 | ||
938 | if (centre) | |
939 | style |= wxCENTRE; | |
940 | else | |
941 | style &= ~wxCENTRE; | |
942 | ||
943 | wxPasswordEntryDialog dialog(parent, message, caption, defaultValue, | |
944 | style, wxPoint(x, y)); | |
945 | if ( dialog.ShowModal() == wxID_OK ) | |
946 | { | |
947 | str = dialog.GetValue(); | |
948 | } | |
949 | ||
950 | return str; | |
951 | } | |
952 | ||
953 | #endif // wxUSE_TEXTDLG | |
954 | ||
955 | #if wxUSE_COLOURDLG | |
956 | ||
957 | wxColour wxGetColourFromUser(wxWindow *parent, const wxColour& colInit) | |
958 | { | |
959 | wxColourData data; | |
960 | data.SetChooseFull(true); | |
961 | if ( colInit.Ok() ) | |
962 | { | |
963 | data.SetColour((wxColour &)colInit); // const_cast | |
964 | } | |
965 | ||
966 | wxColour colRet; | |
967 | wxColourDialog dialog(parent, &data); | |
968 | if ( dialog.ShowModal() == wxID_OK ) | |
969 | { | |
970 | colRet = dialog.GetColourData().GetColour(); | |
971 | } | |
972 | //else: leave it invalid | |
973 | ||
974 | return colRet; | |
975 | } | |
976 | ||
977 | #endif // wxUSE_COLOURDLG | |
978 | ||
979 | #if wxUSE_FONTDLG | |
980 | ||
981 | wxFont wxGetFontFromUser(wxWindow *parent, const wxFont& fontInit) | |
982 | { | |
983 | wxFontData data; | |
984 | if ( fontInit.Ok() ) | |
985 | { | |
986 | data.SetInitialFont(fontInit); | |
987 | } | |
988 | ||
989 | wxFont fontRet; | |
990 | wxFontDialog dialog(parent, data); | |
991 | if ( dialog.ShowModal() == wxID_OK ) | |
992 | { | |
993 | fontRet = dialog.GetFontData().GetChosenFont(); | |
994 | } | |
995 | //else: leave it invalid | |
996 | ||
997 | return fontRet; | |
998 | } | |
999 | ||
1000 | #endif // wxUSE_FONTDLG | |
1001 | ||
1002 | // ---------------------------------------------------------------------------- | |
1003 | // wxSafeYield and supporting functions | |
1004 | // ---------------------------------------------------------------------------- | |
1005 | ||
1006 | void wxEnableTopLevelWindows(bool enable) | |
1007 | { | |
1008 | wxWindowList::compatibility_iterator node; | |
1009 | for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) | |
1010 | node->GetData()->Enable(enable); | |
1011 | } | |
1012 | ||
1013 | wxWindowDisabler::wxWindowDisabler(wxWindow *winToSkip) | |
1014 | { | |
1015 | // remember the top level windows which were already disabled, so that we | |
1016 | // don't reenable them later | |
1017 | m_winDisabled = NULL; | |
1018 | ||
1019 | wxWindowList::compatibility_iterator node; | |
1020 | for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) | |
1021 | { | |
1022 | wxWindow *winTop = node->GetData(); | |
1023 | if ( winTop == winToSkip ) | |
1024 | continue; | |
1025 | ||
1026 | // we don't need to disable the hidden or already disabled windows | |
1027 | if ( winTop->IsEnabled() && winTop->IsShown() ) | |
1028 | { | |
1029 | winTop->Disable(); | |
1030 | } | |
1031 | else | |
1032 | { | |
1033 | if ( !m_winDisabled ) | |
1034 | { | |
1035 | m_winDisabled = new wxWindowList; | |
1036 | } | |
1037 | ||
1038 | m_winDisabled->Append(winTop); | |
1039 | } | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | wxWindowDisabler::~wxWindowDisabler() | |
1044 | { | |
1045 | wxWindowList::compatibility_iterator node; | |
1046 | for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) | |
1047 | { | |
1048 | wxWindow *winTop = node->GetData(); | |
1049 | if ( !m_winDisabled || !m_winDisabled->Find(winTop) ) | |
1050 | { | |
1051 | winTop->Enable(); | |
1052 | } | |
1053 | //else: had been already disabled, don't reenable | |
1054 | } | |
1055 | ||
1056 | delete m_winDisabled; | |
1057 | } | |
1058 | ||
1059 | // Yield to other apps/messages and disable user input to all windows except | |
1060 | // the given one | |
1061 | bool wxSafeYield(wxWindow *win, bool onlyIfNeeded) | |
1062 | { | |
1063 | wxWindowDisabler wd(win); | |
1064 | ||
1065 | bool rc; | |
1066 | if (onlyIfNeeded) | |
1067 | rc = wxYieldIfNeeded(); | |
1068 | else | |
1069 | rc = wxYield(); | |
1070 | ||
1071 | return rc; | |
1072 | } | |
1073 | ||
1074 | // Don't synthesize KeyUp events holding down a key and producing KeyDown | |
1075 | // events with autorepeat. On by default and always on in wxMSW. wxGTK version | |
1076 | // in utilsgtk.cpp. | |
1077 | #ifndef __WXGTK__ | |
1078 | bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) ) | |
1079 | { | |
1080 | return true; // detectable auto-repeat is the only mode MSW supports | |
1081 | } | |
1082 | #endif // !wxGTK | |
1083 | ||
1084 | #endif // wxUSE_GUI |