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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/utils.h | |
3 | // Purpose: Miscellaneous utilities | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 29/01/98 | |
7 | // Copyright: (c) 1998 Julian Smart | |
8 | // Licence: wxWindows licence | |
9 | ///////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifndef _WX_UTILS_H_ | |
12 | #define _WX_UTILS_H_ | |
13 | ||
14 | // ---------------------------------------------------------------------------- | |
15 | // headers | |
16 | // ---------------------------------------------------------------------------- | |
17 | ||
18 | #include "wx/object.h" | |
19 | #include "wx/list.h" | |
20 | #include "wx/filefn.h" | |
21 | #include "wx/hashmap.h" | |
22 | #include "wx/versioninfo.h" | |
23 | #include "wx/meta/implicitconversion.h" | |
24 | ||
25 | #if wxUSE_GUI | |
26 | #include "wx/gdicmn.h" | |
27 | #include "wx/mousestate.h" | |
28 | #endif | |
29 | ||
30 | class WXDLLIMPEXP_FWD_BASE wxArrayString; | |
31 | class WXDLLIMPEXP_FWD_BASE wxArrayInt; | |
32 | ||
33 | // need this for wxGetDiskSpace() as we can't, unfortunately, forward declare | |
34 | // wxLongLong | |
35 | #include "wx/longlong.h" | |
36 | ||
37 | // needed for wxOperatingSystemId, wxLinuxDistributionInfo | |
38 | #include "wx/platinfo.h" | |
39 | ||
40 | #ifdef __WATCOMC__ | |
41 | #include <direct.h> | |
42 | #elif defined(__X__) | |
43 | #include <dirent.h> | |
44 | #include <unistd.h> | |
45 | #endif | |
46 | ||
47 | #include <stdio.h> | |
48 | ||
49 | // ---------------------------------------------------------------------------- | |
50 | // Forward declaration | |
51 | // ---------------------------------------------------------------------------- | |
52 | ||
53 | class WXDLLIMPEXP_FWD_BASE wxProcess; | |
54 | class WXDLLIMPEXP_FWD_CORE wxFrame; | |
55 | class WXDLLIMPEXP_FWD_CORE wxWindow; | |
56 | class wxWindowList; | |
57 | class WXDLLIMPEXP_FWD_CORE wxEventLoop; | |
58 | ||
59 | // ---------------------------------------------------------------------------- | |
60 | // Arithmetic functions | |
61 | // ---------------------------------------------------------------------------- | |
62 | ||
63 | template<typename T1, typename T2> | |
64 | inline typename wxImplicitConversionType<T1,T2>::value | |
65 | wxMax(T1 a, T2 b) | |
66 | { | |
67 | typedef typename wxImplicitConversionType<T1,T2>::value ResultType; | |
68 | ||
69 | // Cast both operands to the same type before comparing them to avoid | |
70 | // warnings about signed/unsigned comparisons from some compilers: | |
71 | return static_cast<ResultType>(a) > static_cast<ResultType>(b) ? a : b; | |
72 | } | |
73 | ||
74 | template<typename T1, typename T2> | |
75 | inline typename wxImplicitConversionType<T1,T2>::value | |
76 | wxMin(T1 a, T2 b) | |
77 | { | |
78 | typedef typename wxImplicitConversionType<T1,T2>::value ResultType; | |
79 | ||
80 | return static_cast<ResultType>(a) < static_cast<ResultType>(b) ? a : b; | |
81 | } | |
82 | ||
83 | template<typename T1, typename T2, typename T3> | |
84 | inline typename wxImplicitConversionType3<T1,T2,T3>::value | |
85 | wxClip(T1 a, T2 b, T3 c) | |
86 | { | |
87 | typedef typename wxImplicitConversionType3<T1,T2,T3>::value ResultType; | |
88 | ||
89 | if ( static_cast<ResultType>(a) < static_cast<ResultType>(b) ) | |
90 | return b; | |
91 | ||
92 | if ( static_cast<ResultType>(a) > static_cast<ResultType>(c) ) | |
93 | return c; | |
94 | ||
95 | return a; | |
96 | } | |
97 | ||
98 | // ---------------------------------------------------------------------------- | |
99 | // wxMemorySize | |
100 | // ---------------------------------------------------------------------------- | |
101 | ||
102 | // wxGetFreeMemory can return huge amount of memory on 32-bit platforms as well | |
103 | // so to always use long long for its result type on all platforms which | |
104 | // support it | |
105 | #if wxUSE_LONGLONG | |
106 | typedef wxLongLong wxMemorySize; | |
107 | #else | |
108 | typedef long wxMemorySize; | |
109 | #endif | |
110 | ||
111 | // ---------------------------------------------------------------------------- | |
112 | // String functions (deprecated, use wxString) | |
113 | // ---------------------------------------------------------------------------- | |
114 | ||
115 | #if WXWIN_COMPATIBILITY_2_8 | |
116 | // A shorter way of using strcmp | |
117 | wxDEPRECATED_INLINE(inline bool wxStringEq(const char *s1, const char *s2), | |
118 | return wxCRT_StrcmpA(s1, s2) == 0; ) | |
119 | ||
120 | #if wxUSE_UNICODE | |
121 | wxDEPRECATED_INLINE(inline bool wxStringEq(const wchar_t *s1, const wchar_t *s2), | |
122 | return wxCRT_StrcmpW(s1, s2) == 0; ) | |
123 | #endif // wxUSE_UNICODE | |
124 | ||
125 | #endif // WXWIN_COMPATIBILITY_2_8 | |
126 | ||
127 | // ---------------------------------------------------------------------------- | |
128 | // Miscellaneous functions | |
129 | // ---------------------------------------------------------------------------- | |
130 | ||
131 | // Sound the bell | |
132 | WXDLLIMPEXP_CORE void wxBell(); | |
133 | ||
134 | #if wxUSE_MSGDLG | |
135 | // Show wxWidgets information | |
136 | WXDLLIMPEXP_CORE void wxInfoMessageBox(wxWindow* parent); | |
137 | #endif // wxUSE_MSGDLG | |
138 | ||
139 | WXDLLIMPEXP_CORE wxVersionInfo wxGetLibraryVersionInfo(); | |
140 | ||
141 | // Get OS description as a user-readable string | |
142 | WXDLLIMPEXP_BASE wxString wxGetOsDescription(); | |
143 | ||
144 | // Get OS version | |
145 | WXDLLIMPEXP_BASE wxOperatingSystemId wxGetOsVersion(int *majorVsn = NULL, | |
146 | int *minorVsn = NULL); | |
147 | ||
148 | // Get platform endianness | |
149 | WXDLLIMPEXP_BASE bool wxIsPlatformLittleEndian(); | |
150 | ||
151 | // Get platform architecture | |
152 | WXDLLIMPEXP_BASE bool wxIsPlatform64Bit(); | |
153 | ||
154 | #ifdef __LINUX__ | |
155 | // Get linux-distro informations | |
156 | WXDLLIMPEXP_BASE wxLinuxDistributionInfo wxGetLinuxDistributionInfo(); | |
157 | #endif | |
158 | ||
159 | // Return a string with the current date/time | |
160 | WXDLLIMPEXP_BASE wxString wxNow(); | |
161 | ||
162 | // Return path where wxWidgets is installed (mostly useful in Unices) | |
163 | WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix(); | |
164 | // Return path to wxWin data (/usr/share/wx/%{version}) (Unices) | |
165 | WXDLLIMPEXP_BASE wxString wxGetDataDir(); | |
166 | ||
167 | #if wxUSE_GUI | |
168 | ||
169 | // Get the state of a key (true if pressed, false if not) | |
170 | // This is generally most useful getting the state of | |
171 | // the modifier or toggle keys. | |
172 | WXDLLIMPEXP_CORE bool wxGetKeyState(wxKeyCode key); | |
173 | ||
174 | // Don't synthesize KeyUp events holding down a key and producing | |
175 | // KeyDown events with autorepeat. On by default and always on | |
176 | // in wxMSW. | |
177 | WXDLLIMPEXP_CORE bool wxSetDetectableAutoRepeat( bool flag ); | |
178 | ||
179 | // Returns the current state of the mouse position, buttons and modifers | |
180 | WXDLLIMPEXP_CORE wxMouseState wxGetMouseState(); | |
181 | ||
182 | #endif // wxUSE_GUI | |
183 | ||
184 | // ---------------------------------------------------------------------------- | |
185 | // wxPlatform | |
186 | // ---------------------------------------------------------------------------- | |
187 | ||
188 | /* | |
189 | * Class to make it easier to specify platform-dependent values | |
190 | * | |
191 | * Examples: | |
192 | * long val = wxPlatform::If(wxMac, 1).ElseIf(wxGTK, 2).ElseIf(stPDA, 5).Else(3); | |
193 | * wxString strVal = wxPlatform::If(wxMac, wxT("Mac")).ElseIf(wxMSW, wxT("MSW")).Else(wxT("Other")); | |
194 | * | |
195 | * A custom platform symbol: | |
196 | * | |
197 | * #define stPDA 100 | |
198 | * #ifdef __WXWINCE__ | |
199 | * wxPlatform::AddPlatform(stPDA); | |
200 | * #endif | |
201 | * | |
202 | * long windowStyle = wxCAPTION | (long) wxPlatform::IfNot(stPDA, wxRESIZE_BORDER); | |
203 | * | |
204 | */ | |
205 | ||
206 | class WXDLLIMPEXP_BASE wxPlatform | |
207 | { | |
208 | public: | |
209 | wxPlatform() { Init(); } | |
210 | wxPlatform(const wxPlatform& platform) { Copy(platform); } | |
211 | void operator = (const wxPlatform& platform) { if (&platform != this) Copy(platform); } | |
212 | void Copy(const wxPlatform& platform); | |
213 | ||
214 | // Specify an optional default value | |
215 | wxPlatform(int defValue) { Init(); m_longValue = (long)defValue; } | |
216 | wxPlatform(long defValue) { Init(); m_longValue = defValue; } | |
217 | wxPlatform(const wxString& defValue) { Init(); m_stringValue = defValue; } | |
218 | wxPlatform(double defValue) { Init(); m_doubleValue = defValue; } | |
219 | ||
220 | static wxPlatform If(int platform, long value); | |
221 | static wxPlatform IfNot(int platform, long value); | |
222 | wxPlatform& ElseIf(int platform, long value); | |
223 | wxPlatform& ElseIfNot(int platform, long value); | |
224 | wxPlatform& Else(long value); | |
225 | ||
226 | static wxPlatform If(int platform, int value) { return If(platform, (long)value); } | |
227 | static wxPlatform IfNot(int platform, int value) { return IfNot(platform, (long)value); } | |
228 | wxPlatform& ElseIf(int platform, int value) { return ElseIf(platform, (long) value); } | |
229 | wxPlatform& ElseIfNot(int platform, int value) { return ElseIfNot(platform, (long) value); } | |
230 | wxPlatform& Else(int value) { return Else((long) value); } | |
231 | ||
232 | static wxPlatform If(int platform, double value); | |
233 | static wxPlatform IfNot(int platform, double value); | |
234 | wxPlatform& ElseIf(int platform, double value); | |
235 | wxPlatform& ElseIfNot(int platform, double value); | |
236 | wxPlatform& Else(double value); | |
237 | ||
238 | static wxPlatform If(int platform, const wxString& value); | |
239 | static wxPlatform IfNot(int platform, const wxString& value); | |
240 | wxPlatform& ElseIf(int platform, const wxString& value); | |
241 | wxPlatform& ElseIfNot(int platform, const wxString& value); | |
242 | wxPlatform& Else(const wxString& value); | |
243 | ||
244 | long GetInteger() const { return m_longValue; } | |
245 | const wxString& GetString() const { return m_stringValue; } | |
246 | double GetDouble() const { return m_doubleValue; } | |
247 | ||
248 | operator int() const { return (int) GetInteger(); } | |
249 | operator long() const { return GetInteger(); } | |
250 | operator double() const { return GetDouble(); } | |
251 | operator const wxString&() const { return GetString(); } | |
252 | ||
253 | static void AddPlatform(int platform); | |
254 | static bool Is(int platform); | |
255 | static void ClearPlatforms(); | |
256 | ||
257 | private: | |
258 | ||
259 | void Init() { m_longValue = 0; m_doubleValue = 0.0; } | |
260 | ||
261 | long m_longValue; | |
262 | double m_doubleValue; | |
263 | wxString m_stringValue; | |
264 | static wxArrayInt* sm_customPlatforms; | |
265 | }; | |
266 | ||
267 | /// Function for testing current platform | |
268 | inline bool wxPlatformIs(int platform) { return wxPlatform::Is(platform); } | |
269 | ||
270 | // ---------------------------------------------------------------------------- | |
271 | // Window ID management | |
272 | // ---------------------------------------------------------------------------- | |
273 | ||
274 | // Ensure subsequent IDs don't clash with this one | |
275 | WXDLLIMPEXP_BASE void wxRegisterId(int id); | |
276 | ||
277 | // Return the current ID | |
278 | WXDLLIMPEXP_BASE int wxGetCurrentId(); | |
279 | ||
280 | // Generate a unique ID | |
281 | WXDLLIMPEXP_BASE int wxNewId(); | |
282 | ||
283 | // ---------------------------------------------------------------------------- | |
284 | // Various conversions | |
285 | // ---------------------------------------------------------------------------- | |
286 | ||
287 | // Convert 2-digit hex number to decimal | |
288 | WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf); | |
289 | ||
290 | // Convert 2-digit hex number to decimal | |
291 | inline int wxHexToDec(const char* buf) | |
292 | { | |
293 | int firstDigit, secondDigit; | |
294 | ||
295 | if (buf[0] >= 'A') | |
296 | firstDigit = buf[0] - 'A' + 10; | |
297 | else | |
298 | firstDigit = buf[0] - '0'; | |
299 | ||
300 | if (buf[1] >= 'A') | |
301 | secondDigit = buf[1] - 'A' + 10; | |
302 | else | |
303 | secondDigit = buf[1] - '0'; | |
304 | ||
305 | return (firstDigit & 0xF) * 16 + (secondDigit & 0xF ); | |
306 | } | |
307 | ||
308 | ||
309 | // Convert decimal integer to 2-character hex string | |
310 | WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf); | |
311 | WXDLLIMPEXP_BASE void wxDecToHex(int dec, char* ch1, char* ch2); | |
312 | WXDLLIMPEXP_BASE wxString wxDecToHex(int dec); | |
313 | ||
314 | // ---------------------------------------------------------------------------- | |
315 | // Process management | |
316 | // ---------------------------------------------------------------------------- | |
317 | ||
318 | // NB: for backwards compatibility reasons the values of wxEXEC_[A]SYNC *must* | |
319 | // be 0 and 1, don't change! | |
320 | ||
321 | enum | |
322 | { | |
323 | // execute the process asynchronously | |
324 | wxEXEC_ASYNC = 0, | |
325 | ||
326 | // execute it synchronously, i.e. wait until it finishes | |
327 | wxEXEC_SYNC = 1, | |
328 | ||
329 | // under Windows, don't hide the child even if it's IO is redirected (this | |
330 | // is done by default) | |
331 | wxEXEC_SHOW_CONSOLE = 2, | |
332 | ||
333 | // deprecated synonym for wxEXEC_SHOW_CONSOLE, use the new name as it's | |
334 | // more clear | |
335 | wxEXEC_NOHIDE = wxEXEC_SHOW_CONSOLE, | |
336 | ||
337 | // under Unix, if the process is the group leader then passing wxKILL_CHILDREN to wxKill | |
338 | // kills all children as well as pid | |
339 | // under Windows (NT family only), sets the CREATE_NEW_PROCESS_GROUP flag, | |
340 | // which allows to target Ctrl-Break signal to the spawned process. | |
341 | // applies to console processes only. | |
342 | wxEXEC_MAKE_GROUP_LEADER = 4, | |
343 | ||
344 | // by default synchronous execution disables all program windows to avoid | |
345 | // that the user interacts with the program while the child process is | |
346 | // running, you can use this flag to prevent this from happening | |
347 | wxEXEC_NODISABLE = 8, | |
348 | ||
349 | // by default, the event loop is run while waiting for synchronous execution | |
350 | // to complete and this flag can be used to simply block the main process | |
351 | // until the child process finishes | |
352 | wxEXEC_NOEVENTS = 16, | |
353 | ||
354 | // under Windows, hide the console of the child process if it has one, even | |
355 | // if its IO is not redirected | |
356 | wxEXEC_HIDE_CONSOLE = 32, | |
357 | ||
358 | // convenient synonym for flags given system()-like behaviour | |
359 | wxEXEC_BLOCK = wxEXEC_SYNC | wxEXEC_NOEVENTS | |
360 | }; | |
361 | ||
362 | // Map storing environment variables. | |
363 | typedef wxStringToStringHashMap wxEnvVariableHashMap; | |
364 | ||
365 | // Used to pass additional parameters for child process to wxExecute(). Could | |
366 | // be extended with other fields later. | |
367 | struct wxExecuteEnv | |
368 | { | |
369 | wxString cwd; // If empty, CWD is not changed. | |
370 | wxEnvVariableHashMap env; // If empty, environment is unchanged. | |
371 | }; | |
372 | ||
373 | // Execute another program. | |
374 | // | |
375 | // If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the | |
376 | // process if everything was ok. Otherwise (i.e. if wxEXEC_ASYNC), return 0 on | |
377 | // failure and the PID of the launched process if ok. | |
378 | WXDLLIMPEXP_BASE long wxExecute(const wxString& command, | |
379 | int flags = wxEXEC_ASYNC, | |
380 | wxProcess *process = NULL, | |
381 | const wxExecuteEnv *env = NULL); | |
382 | WXDLLIMPEXP_BASE long wxExecute(char **argv, | |
383 | int flags = wxEXEC_ASYNC, | |
384 | wxProcess *process = NULL, | |
385 | const wxExecuteEnv *env = NULL); | |
386 | #if wxUSE_UNICODE | |
387 | WXDLLIMPEXP_BASE long wxExecute(wchar_t **argv, | |
388 | int flags = wxEXEC_ASYNC, | |
389 | wxProcess *process = NULL, | |
390 | const wxExecuteEnv *env = NULL); | |
391 | #endif // wxUSE_UNICODE | |
392 | ||
393 | // execute the command capturing its output into an array line by line, this is | |
394 | // always synchronous | |
395 | WXDLLIMPEXP_BASE long wxExecute(const wxString& command, | |
396 | wxArrayString& output, | |
397 | int flags = 0, | |
398 | const wxExecuteEnv *env = NULL); | |
399 | ||
400 | // also capture stderr (also synchronous) | |
401 | WXDLLIMPEXP_BASE long wxExecute(const wxString& command, | |
402 | wxArrayString& output, | |
403 | wxArrayString& error, | |
404 | int flags = 0, | |
405 | const wxExecuteEnv *env = NULL); | |
406 | ||
407 | #if defined(__WINDOWS__) && wxUSE_IPC | |
408 | // ask a DDE server to execute the DDE request with given parameters | |
409 | WXDLLIMPEXP_BASE bool wxExecuteDDE(const wxString& ddeServer, | |
410 | const wxString& ddeTopic, | |
411 | const wxString& ddeCommand); | |
412 | #endif // __WINDOWS__ && wxUSE_IPC | |
413 | ||
414 | enum wxSignal | |
415 | { | |
416 | wxSIGNONE = 0, // verify if the process exists under Unix | |
417 | wxSIGHUP, | |
418 | wxSIGINT, | |
419 | wxSIGQUIT, | |
420 | wxSIGILL, | |
421 | wxSIGTRAP, | |
422 | wxSIGABRT, | |
423 | wxSIGIOT = wxSIGABRT, // another name | |
424 | wxSIGEMT, | |
425 | wxSIGFPE, | |
426 | wxSIGKILL, | |
427 | wxSIGBUS, | |
428 | wxSIGSEGV, | |
429 | wxSIGSYS, | |
430 | wxSIGPIPE, | |
431 | wxSIGALRM, | |
432 | wxSIGTERM | |
433 | ||
434 | // further signals are different in meaning between different Unix systems | |
435 | }; | |
436 | ||
437 | enum wxKillError | |
438 | { | |
439 | wxKILL_OK, // no error | |
440 | wxKILL_BAD_SIGNAL, // no such signal | |
441 | wxKILL_ACCESS_DENIED, // permission denied | |
442 | wxKILL_NO_PROCESS, // no such process | |
443 | wxKILL_ERROR // another, unspecified error | |
444 | }; | |
445 | ||
446 | enum wxKillFlags | |
447 | { | |
448 | wxKILL_NOCHILDREN = 0, // don't kill children | |
449 | wxKILL_CHILDREN = 1 // kill children | |
450 | }; | |
451 | ||
452 | enum wxShutdownFlags | |
453 | { | |
454 | wxSHUTDOWN_FORCE = 1,// can be combined with other flags (MSW-only) | |
455 | wxSHUTDOWN_POWEROFF = 2,// power off the computer | |
456 | wxSHUTDOWN_REBOOT = 4,// shutdown and reboot | |
457 | wxSHUTDOWN_LOGOFF = 8 // close session (currently MSW-only) | |
458 | }; | |
459 | ||
460 | // Shutdown or reboot the PC | |
461 | WXDLLIMPEXP_BASE bool wxShutdown(int flags = wxSHUTDOWN_POWEROFF); | |
462 | ||
463 | // send the given signal to the process (only NONE and KILL are supported under | |
464 | // Windows, all others mean TERM), return 0 if ok and -1 on error | |
465 | // | |
466 | // return detailed error in rc if not NULL | |
467 | WXDLLIMPEXP_BASE int wxKill(long pid, | |
468 | wxSignal sig = wxSIGTERM, | |
469 | wxKillError *rc = NULL, | |
470 | int flags = wxKILL_NOCHILDREN); | |
471 | ||
472 | // Execute a command in an interactive shell window (always synchronously) | |
473 | // If no command then just the shell | |
474 | WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString); | |
475 | ||
476 | // As wxShell(), but must give a (non interactive) command and its output will | |
477 | // be returned in output array | |
478 | WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output); | |
479 | ||
480 | // Sleep for nSecs seconds | |
481 | WXDLLIMPEXP_BASE void wxSleep(int nSecs); | |
482 | ||
483 | // Sleep for a given amount of milliseconds | |
484 | WXDLLIMPEXP_BASE void wxMilliSleep(unsigned long milliseconds); | |
485 | ||
486 | // Sleep for a given amount of microseconds | |
487 | WXDLLIMPEXP_BASE void wxMicroSleep(unsigned long microseconds); | |
488 | ||
489 | #if WXWIN_COMPATIBILITY_2_8 | |
490 | // Sleep for a given amount of milliseconds (old, bad name), use wxMilliSleep | |
491 | wxDEPRECATED( WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds) ); | |
492 | #endif | |
493 | ||
494 | // Get the process id of the current process | |
495 | WXDLLIMPEXP_BASE unsigned long wxGetProcessId(); | |
496 | ||
497 | // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) | |
498 | WXDLLIMPEXP_BASE wxMemorySize wxGetFreeMemory(); | |
499 | ||
500 | #if wxUSE_ON_FATAL_EXCEPTION | |
501 | ||
502 | // should wxApp::OnFatalException() be called? | |
503 | WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = true); | |
504 | ||
505 | #endif // wxUSE_ON_FATAL_EXCEPTION | |
506 | ||
507 | // ---------------------------------------------------------------------------- | |
508 | // Environment variables | |
509 | // ---------------------------------------------------------------------------- | |
510 | ||
511 | // returns true if variable exists (value may be NULL if you just want to check | |
512 | // for this) | |
513 | WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value); | |
514 | ||
515 | // set the env var name to the given value, return true on success | |
516 | WXDLLIMPEXP_BASE bool wxSetEnv(const wxString& var, const wxString& value); | |
517 | ||
518 | // remove the env var from environment | |
519 | WXDLLIMPEXP_BASE bool wxUnsetEnv(const wxString& var); | |
520 | ||
521 | #if WXWIN_COMPATIBILITY_2_8 | |
522 | inline bool wxSetEnv(const wxString& var, const char *value) | |
523 | { return wxSetEnv(var, wxString(value)); } | |
524 | inline bool wxSetEnv(const wxString& var, const wchar_t *value) | |
525 | { return wxSetEnv(var, wxString(value)); } | |
526 | template<typename T> | |
527 | inline bool wxSetEnv(const wxString& var, const wxScopedCharTypeBuffer<T>& value) | |
528 | { return wxSetEnv(var, wxString(value)); } | |
529 | inline bool wxSetEnv(const wxString& var, const wxCStrData& value) | |
530 | { return wxSetEnv(var, wxString(value)); } | |
531 | ||
532 | // this one is for passing NULL directly - don't use it, use wxUnsetEnv instead | |
533 | wxDEPRECATED( inline bool wxSetEnv(const wxString& var, int value) ); | |
534 | inline bool wxSetEnv(const wxString& var, int value) | |
535 | { | |
536 | wxASSERT_MSG( value == 0, "using non-NULL integer as string?" ); | |
537 | ||
538 | wxUnusedVar(value); // fix unused parameter warning in release build | |
539 | ||
540 | return wxUnsetEnv(var); | |
541 | } | |
542 | #endif // WXWIN_COMPATIBILITY_2_8 | |
543 | ||
544 | // Retrieve the complete environment by filling specified map. | |
545 | // Returns true on success or false if an error occurred. | |
546 | WXDLLIMPEXP_BASE bool wxGetEnvMap(wxEnvVariableHashMap *map); | |
547 | ||
548 | // ---------------------------------------------------------------------------- | |
549 | // Network and username functions. | |
550 | // ---------------------------------------------------------------------------- | |
551 | ||
552 | // NB: "char *" functions are deprecated, use wxString ones! | |
553 | ||
554 | // Get eMail address | |
555 | WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize); | |
556 | WXDLLIMPEXP_BASE wxString wxGetEmailAddress(); | |
557 | ||
558 | // Get hostname. | |
559 | WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize); | |
560 | WXDLLIMPEXP_BASE wxString wxGetHostName(); | |
561 | ||
562 | // Get FQDN | |
563 | WXDLLIMPEXP_BASE wxString wxGetFullHostName(); | |
564 | WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize); | |
565 | ||
566 | // Get user ID e.g. jacs (this is known as login name under Unix) | |
567 | WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize); | |
568 | WXDLLIMPEXP_BASE wxString wxGetUserId(); | |
569 | ||
570 | // Get user name e.g. Julian Smart | |
571 | WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize); | |
572 | WXDLLIMPEXP_BASE wxString wxGetUserName(); | |
573 | ||
574 | // Get current Home dir and copy to dest (returns pstr->c_str()) | |
575 | WXDLLIMPEXP_BASE wxString wxGetHomeDir(); | |
576 | WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr); | |
577 | ||
578 | // Get the user's (by default use the current user name) home dir, | |
579 | // return empty string on error | |
580 | WXDLLIMPEXP_BASE wxString wxGetUserHome(const wxString& user = wxEmptyString); | |
581 | ||
582 | ||
583 | #if wxUSE_LONGLONG | |
584 | typedef wxLongLong wxDiskspaceSize_t; | |
585 | #else | |
586 | typedef long wxDiskspaceSize_t; | |
587 | #endif | |
588 | ||
589 | // get number of total/free bytes on the disk where path belongs | |
590 | WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path, | |
591 | wxDiskspaceSize_t *pTotal = NULL, | |
592 | wxDiskspaceSize_t *pFree = NULL); | |
593 | ||
594 | ||
595 | ||
596 | typedef int (*wxSortCallback)(const void* pItem1, | |
597 | const void* pItem2, | |
598 | const void* user_data); | |
599 | ||
600 | ||
601 | WXDLLIMPEXP_BASE void wxQsort(void* pbase, size_t total_elems, | |
602 | size_t size, wxSortCallback cmp, | |
603 | const void* user_data); | |
604 | ||
605 | ||
606 | #if wxUSE_GUI // GUI only things from now on | |
607 | ||
608 | // ---------------------------------------------------------------------------- | |
609 | // Launch default browser | |
610 | // ---------------------------------------------------------------------------- | |
611 | ||
612 | // flags for wxLaunchDefaultBrowser | |
613 | enum | |
614 | { | |
615 | wxBROWSER_NEW_WINDOW = 0x01, | |
616 | wxBROWSER_NOBUSYCURSOR = 0x02 | |
617 | }; | |
618 | ||
619 | // Launch url in the user's default internet browser | |
620 | WXDLLIMPEXP_CORE bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0); | |
621 | ||
622 | // Launch document in the user's default application | |
623 | WXDLLIMPEXP_CORE bool wxLaunchDefaultApplication(const wxString& path, int flags = 0); | |
624 | ||
625 | // ---------------------------------------------------------------------------- | |
626 | // Menu accelerators related things | |
627 | // ---------------------------------------------------------------------------- | |
628 | ||
629 | // flags for wxStripMenuCodes | |
630 | enum | |
631 | { | |
632 | // strip '&' characters | |
633 | wxStrip_Mnemonics = 1, | |
634 | ||
635 | // strip everything after '\t' | |
636 | wxStrip_Accel = 2, | |
637 | ||
638 | // strip everything (this is the default) | |
639 | wxStrip_All = wxStrip_Mnemonics | wxStrip_Accel | |
640 | }; | |
641 | ||
642 | // strip mnemonics and/or accelerators from the label | |
643 | WXDLLIMPEXP_CORE wxString | |
644 | wxStripMenuCodes(const wxString& str, int flags = wxStrip_All); | |
645 | ||
646 | #if WXWIN_COMPATIBILITY_2_6 | |
647 | // obsolete and deprecated version, do not use, use the above overload instead | |
648 | wxDEPRECATED( | |
649 | WXDLLIMPEXP_CORE wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = NULL) | |
650 | ); | |
651 | ||
652 | #if wxUSE_ACCEL | |
653 | class WXDLLIMPEXP_FWD_CORE wxAcceleratorEntry; | |
654 | ||
655 | // use wxAcceleratorEntry::Create() or FromString() methods instead | |
656 | wxDEPRECATED( | |
657 | WXDLLIMPEXP_CORE wxAcceleratorEntry *wxGetAccelFromString(const wxString& label) | |
658 | ); | |
659 | #endif // wxUSE_ACCEL | |
660 | ||
661 | #endif // WXWIN_COMPATIBILITY_2_6 | |
662 | ||
663 | // ---------------------------------------------------------------------------- | |
664 | // Window search | |
665 | // ---------------------------------------------------------------------------- | |
666 | ||
667 | // Returns menu item id or wxNOT_FOUND if none. | |
668 | WXDLLIMPEXP_CORE int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString); | |
669 | ||
670 | // Find the wxWindow at the given point. wxGenericFindWindowAtPoint | |
671 | // is always present but may be less reliable than a native version. | |
672 | WXDLLIMPEXP_CORE wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt); | |
673 | WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPoint(const wxPoint& pt); | |
674 | ||
675 | // NB: this function is obsolete, use wxWindow::FindWindowByLabel() instead | |
676 | // | |
677 | // Find the window/widget with the given title or label. | |
678 | // Pass a parent to begin the search from, or NULL to look through | |
679 | // all windows. | |
680 | WXDLLIMPEXP_CORE wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = NULL); | |
681 | ||
682 | // NB: this function is obsolete, use wxWindow::FindWindowByName() instead | |
683 | // | |
684 | // Find window by name, and if that fails, by label. | |
685 | WXDLLIMPEXP_CORE wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = NULL); | |
686 | ||
687 | // ---------------------------------------------------------------------------- | |
688 | // Message/event queue helpers | |
689 | // ---------------------------------------------------------------------------- | |
690 | ||
691 | // Yield to other apps/messages and disable user input | |
692 | WXDLLIMPEXP_CORE bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = false); | |
693 | ||
694 | // Enable or disable input to all top level windows | |
695 | WXDLLIMPEXP_CORE void wxEnableTopLevelWindows(bool enable = true); | |
696 | ||
697 | // Check whether this window wants to process messages, e.g. Stop button | |
698 | // in long calculations. | |
699 | WXDLLIMPEXP_CORE bool wxCheckForInterrupt(wxWindow *wnd); | |
700 | ||
701 | // Consume all events until no more left | |
702 | WXDLLIMPEXP_CORE void wxFlushEvents(); | |
703 | ||
704 | // a class which disables all windows (except, may be, the given one) in its | |
705 | // ctor and enables them back in its dtor | |
706 | class WXDLLIMPEXP_CORE wxWindowDisabler | |
707 | { | |
708 | public: | |
709 | // this ctor conditionally disables all windows: if the argument is false, | |
710 | // it doesn't do anything | |
711 | wxWindowDisabler(bool disable = true); | |
712 | ||
713 | // ctor disables all windows except winToSkip | |
714 | wxWindowDisabler(wxWindow *winToSkip); | |
715 | ||
716 | // dtor enables back all windows disabled by the ctor | |
717 | ~wxWindowDisabler(); | |
718 | ||
719 | private: | |
720 | // disable all windows except the given one (used by both ctors) | |
721 | void DoDisable(wxWindow *winToSkip = NULL); | |
722 | ||
723 | #if defined(__WXOSX__) && wxOSX_USE_COCOA | |
724 | wxEventLoop* m_modalEventLoop; | |
725 | #endif | |
726 | wxWindowList *m_winDisabled; | |
727 | bool m_disabled; | |
728 | ||
729 | wxDECLARE_NO_COPY_CLASS(wxWindowDisabler); | |
730 | }; | |
731 | ||
732 | // ---------------------------------------------------------------------------- | |
733 | // Cursors | |
734 | // ---------------------------------------------------------------------------- | |
735 | ||
736 | // Set the cursor to the busy cursor for all windows | |
737 | WXDLLIMPEXP_CORE void wxBeginBusyCursor(const wxCursor *cursor = wxHOURGLASS_CURSOR); | |
738 | ||
739 | // Restore cursor to normal | |
740 | WXDLLIMPEXP_CORE void wxEndBusyCursor(); | |
741 | ||
742 | // true if we're between the above two calls | |
743 | WXDLLIMPEXP_CORE bool wxIsBusy(); | |
744 | ||
745 | // Convenience class so we can just create a wxBusyCursor object on the stack | |
746 | class WXDLLIMPEXP_CORE wxBusyCursor | |
747 | { | |
748 | public: | |
749 | wxBusyCursor(const wxCursor* cursor = wxHOURGLASS_CURSOR) | |
750 | { wxBeginBusyCursor(cursor); } | |
751 | ~wxBusyCursor() | |
752 | { wxEndBusyCursor(); } | |
753 | ||
754 | // FIXME: These two methods are currently only implemented (and needed?) | |
755 | // in wxGTK. BusyCursor handling should probably be moved to | |
756 | // common code since the wxGTK and wxMSW implementations are very | |
757 | // similar except for wxMSW using HCURSOR directly instead of | |
758 | // wxCursor.. -- RL. | |
759 | static const wxCursor &GetStoredCursor(); | |
760 | static const wxCursor GetBusyCursor(); | |
761 | }; | |
762 | ||
763 | void WXDLLIMPEXP_CORE wxGetMousePosition( int* x, int* y ); | |
764 | ||
765 | // ---------------------------------------------------------------------------- | |
766 | // X11 Display access | |
767 | // ---------------------------------------------------------------------------- | |
768 | ||
769 | #if defined(__X__) || defined(__WXGTK__) | |
770 | ||
771 | #ifdef __WXGTK__ | |
772 | WXDLLIMPEXP_CORE void *wxGetDisplay(); | |
773 | #endif | |
774 | ||
775 | #ifdef __X__ | |
776 | WXDLLIMPEXP_CORE WXDisplay *wxGetDisplay(); | |
777 | WXDLLIMPEXP_CORE bool wxSetDisplay(const wxString& display_name); | |
778 | WXDLLIMPEXP_CORE wxString wxGetDisplayName(); | |
779 | #endif // X or GTK+ | |
780 | ||
781 | // use this function instead of the functions above in implementation code | |
782 | inline struct _XDisplay *wxGetX11Display() | |
783 | { | |
784 | return (_XDisplay *)wxGetDisplay(); | |
785 | } | |
786 | ||
787 | #endif // X11 || wxGTK | |
788 | ||
789 | #endif // wxUSE_GUI | |
790 | ||
791 | // ---------------------------------------------------------------------------- | |
792 | // wxYield(): these functions are obsolete, please use wxApp methods instead! | |
793 | // ---------------------------------------------------------------------------- | |
794 | ||
795 | // avoid redeclaring this function here if it had been already declated by | |
796 | // wx/app.h, this results in warnings from g++ with -Wredundant-decls | |
797 | #ifndef wx_YIELD_DECLARED | |
798 | #define wx_YIELD_DECLARED | |
799 | ||
800 | // Yield to other apps/messages | |
801 | WXDLLIMPEXP_CORE bool wxYield(); | |
802 | ||
803 | #endif // wx_YIELD_DECLARED | |
804 | ||
805 | // Like wxYield, but fails silently if the yield is recursive. | |
806 | WXDLLIMPEXP_CORE bool wxYieldIfNeeded(); | |
807 | ||
808 | // ---------------------------------------------------------------------------- | |
809 | // Windows resources access | |
810 | // ---------------------------------------------------------------------------- | |
811 | ||
812 | // Windows only: get user-defined resource from the .res file. | |
813 | #ifdef __WINDOWS__ | |
814 | // default resource type for wxLoadUserResource() | |
815 | extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxUserResourceStr; | |
816 | ||
817 | // Return the pointer to the resource data. This pointer is read-only, use | |
818 | // the overload below if you need to modify the data. | |
819 | // | |
820 | // Notice that the resource type can be either a real string or an integer | |
821 | // produced by MAKEINTRESOURCE(). In particular, any standard resource type, | |
822 | // i.e any RT_XXX constant, could be passed here. | |
823 | // | |
824 | // Returns true on success, false on failure. Doesn't log an error message | |
825 | // if the resource is not found (because this could be expected) but does | |
826 | // log one if any other error occurs. | |
827 | WXDLLIMPEXP_BASE bool | |
828 | wxLoadUserResource(const void **outData, | |
829 | size_t *outLen, | |
830 | const wxString& resourceName, | |
831 | const wxChar* resourceType = wxUserResourceStr, | |
832 | WXHINSTANCE module = 0); | |
833 | ||
834 | // This function allocates a new buffer and makes a copy of the resource | |
835 | // data, remember to delete[] the buffer. And avoid using it entirely if | |
836 | // the overload above can be used. | |
837 | // | |
838 | // Returns NULL on failure. | |
839 | WXDLLIMPEXP_BASE char* | |
840 | wxLoadUserResource(const wxString& resourceName, | |
841 | const wxChar* resourceType = wxUserResourceStr, | |
842 | int* pLen = NULL, | |
843 | WXHINSTANCE module = 0); | |
844 | #endif // __WINDOWS__ | |
845 | ||
846 | #endif | |
847 | // _WX_UTILSH__ |