include/wx/utils.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/utils.h
   3 // Purpose:     Miscellaneous utilities
   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 #ifndef _WX_UTILSH__
  13 #define _WX_UTILSH__
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/object.h"
  20 #include "wx/list.h"
  21 #include "wx/filefn.h"
  22
  23 class WXDLLIMPEXP_BASE wxArrayString;
  24
  25 // need this for wxGetDiskSpace() as we can't, unfortunately, forward declare
  26 // wxLongLong
  27 #include "wx/longlong.h"
  28
  29 #ifdef __WATCOMC__
  30     #include <direct.h>
  31 #elif defined(__X__)
  32     #include <dirent.h>
  33     #include <unistd.h>
  34 #endif
  35
  36 #include <stdio.h>
  37
  38 // ----------------------------------------------------------------------------
  39 // Forward declaration
  40 // ----------------------------------------------------------------------------
  41
  42 class WXDLLIMPEXP_CORE wxProcess;
  43 class WXDLLIMPEXP_CORE wxFrame;
  44 class WXDLLIMPEXP_CORE wxWindow;
  45 class WXDLLIMPEXP_CORE wxWindowList;
  46 class WXDLLIMPEXP_CORE wxPoint;
  47
  48 // ----------------------------------------------------------------------------
  49 // Macros
  50 // ----------------------------------------------------------------------------
  51
  52 #define wxMax(a,b)            (((a) > (b)) ? (a) : (b))
  53 #define wxMin(a,b)            (((a) < (b)) ? (a) : (b))
  54
  55 // wxGetFreeMemory can return huge amount of memory on 32-bit platforms as well
  56 // so to always use long long for its result type on all platforms which
  57 // support it
  58 #if wxUSE_LONGLONG
  59     typedef wxLongLong wxMemorySize;
  60 #else
  61     typedef long wxMemorySize;
  62 #endif
  63
  64 // ----------------------------------------------------------------------------
  65 // String functions (deprecated, use wxString)
  66 // ----------------------------------------------------------------------------
  67
  68 // Make a copy of this string using 'new'
  69 #if WXWIN_COMPATIBILITY_2_4
  70 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s) );
  71 #endif
  72
  73 // A shorter way of using strcmp
  74 #define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0))
  75
  76 // ----------------------------------------------------------------------------
  77 // Miscellaneous functions
  78 // ----------------------------------------------------------------------------
  79
  80 // Sound the bell
  81 #if !defined __EMX__ && \
  82     (defined __WXMOTIF__ || defined __WXGTK__ || defined __WXX11__)
  83 WXDLLIMPEXP_CORE void wxBell();
  84 #else
  85 WXDLLIMPEXP_BASE void wxBell();
  86 #endif
  87
  88 // Get OS description as a user-readable string
  89 WXDLLIMPEXP_BASE wxString wxGetOsDescription();
  90
  91 // Get OS version
  92 WXDLLIMPEXP_BASE int wxGetOsVersion(int *majorVsn = (int *) NULL,
  93                                int *minorVsn = (int *) NULL);
  94
  95 // Return a string with the current date/time
  96 WXDLLIMPEXP_BASE wxString wxNow();
  97
  98 // Return path where wxWidgets is installed (mostly useful in Unices)
  99 WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix();
 100 // Return path to wxWin data (/usr/share/wx/%{version}) (Unices)
 101 WXDLLIMPEXP_BASE wxString wxGetDataDir();
 102
 103
 104 #if wxUSE_GUI
 105
 106 // Get the state of a key (true if pressed, false if not)
 107 // This is generally most useful getting the state of
 108 // the modifier or toggle keys.
 109 WXDLLEXPORT bool wxGetKeyState(wxKeyCode key);
 110
 111
 112 // Don't synthesize KeyUp events holding down a key and producing
 113 // KeyDown events with autorepeat. On by default and always on
 114 // in wxMSW.
 115 WXDLLEXPORT bool wxSetDetectableAutoRepeat( bool flag );
 116
 117 // ----------------------------------------------------------------------------
 118 // Window ID management
 119 // ----------------------------------------------------------------------------
 120
 121 // Generate a unique ID
 122 WXDLLEXPORT long wxNewId();
 123
 124 // Ensure subsequent IDs don't clash with this one
 125 WXDLLEXPORT void wxRegisterId(long id);
 126
 127 // Return the current ID
 128 WXDLLEXPORT long wxGetCurrentId();
 129
 130 #endif // wxUSE_GUI
 131
 132 // ----------------------------------------------------------------------------
 133 // Various conversions
 134 // ----------------------------------------------------------------------------
 135
 136 // these functions are deprecated, use wxString methods instead!
 137 #if WXWIN_COMPATIBILITY_2_4
 138
 139 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxFloatToStringStr;
 140 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDoubleToStringStr;
 141
 142 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToFloat(const wxChar *s, float *number) );
 143 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr) );
 144 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToDouble(const wxChar *s, double *number) );
 145 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr) );
 146 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToInt(const wxChar *s, int *number) );
 147 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToLong(const wxChar *s, long *number) );
 148 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* IntToString(int number) );
 149 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* LongToString(long number) );
 150
 151 #endif // WXWIN_COMPATIBILITY_2_4
 152
 153 // Convert 2-digit hex number to decimal
 154 WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf);
 155
 156 // Convert decimal integer to 2-character hex string
 157 WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf);
 158 WXDLLIMPEXP_BASE wxString wxDecToHex(int dec);
 159
 160 // ----------------------------------------------------------------------------
 161 // Process management
 162 // ----------------------------------------------------------------------------
 163
 164 // NB: for backwards compatibility reasons the values of wxEXEC_[A]SYNC *must*
 165 //     be 0 and 1, don't change!
 166
 167 enum
 168 {
 169     // execute the process asynchronously
 170     wxEXEC_ASYNC    = 0,
 171
 172     // execute it synchronously, i.e. wait until it finishes
 173     wxEXEC_SYNC     = 1,
 174
 175     // under Windows, don't hide the child even if it's IO is redirected (this
 176     // is done by default)
 177     wxEXEC_NOHIDE   = 2,
 178
 179     // under Unix, if the process is the group leader then passing wxKILL_CHILDREN to wxKill
 180     // kills all children as well as pid
 181     wxEXEC_MAKE_GROUP_LEADER = 4,
 182
 183     // by default synchronous execution disables all program windows to avoid
 184     // that the user interacts with the program while the child process is
 185     // running, you can use this flag to prevent this from happening
 186     wxEXEC_NODISABLE = 8
 187 };
 188
 189 // Execute another program.
 190 //
 191 // If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the
 192 // process if everything was ok. Otherwise (i.e. if wxEXEC_ASYNC), return 0 on
 193 // failure and the PID of the launched process if ok.
 194 WXDLLIMPEXP_BASE long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC,
 195                            wxProcess *process = (wxProcess *) NULL);
 196 WXDLLIMPEXP_BASE long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,
 197                            wxProcess *process = (wxProcess *) NULL);
 198
 199 // execute the command capturing its output into an array line by line, this is
 200 // always synchronous
 201 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
 202                                 wxArrayString& output,
 203                                 int flags = 0);
 204
 205 // also capture stderr (also synchronous)
 206 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
 207                                 wxArrayString& output,
 208                                 wxArrayString& error,
 209                                 int flags = 0);
 210
 211 #if defined(__WXMSW__) && wxUSE_IPC
 212 // ask a DDE server to execute the DDE request with given parameters
 213 WXDLLIMPEXP_BASE bool wxExecuteDDE(const wxString& ddeServer,
 214                                    const wxString& ddeTopic,
 215                                    const wxString& ddeCommand);
 216 #endif // __WXMSW__ && wxUSE_IPC
 217
 218 enum wxSignal
 219 {
 220     wxSIGNONE = 0,  // verify if the process exists under Unix
 221     wxSIGHUP,
 222     wxSIGINT,
 223     wxSIGQUIT,
 224     wxSIGILL,
 225     wxSIGTRAP,
 226     wxSIGABRT,
 227     wxSIGIOT = wxSIGABRT,   // another name
 228     wxSIGEMT,
 229     wxSIGFPE,
 230     wxSIGKILL,
 231     wxSIGBUS,
 232     wxSIGSEGV,
 233     wxSIGSYS,
 234     wxSIGPIPE,
 235     wxSIGALRM,
 236     wxSIGTERM
 237
 238     // further signals are different in meaning between different Unix systems
 239 };
 240
 241 enum wxKillError
 242 {
 243     wxKILL_OK,              // no error
 244     wxKILL_BAD_SIGNAL,      // no such signal
 245     wxKILL_ACCESS_DENIED,   // permission denied
 246     wxKILL_NO_PROCESS,      // no such process
 247     wxKILL_ERROR            // another, unspecified error
 248 };
 249
 250 enum wxKillFlags
 251 {
 252     wxKILL_NOCHILDREN = 0,  // don't kill children
 253     wxKILL_CHILDREN = 1     // kill children
 254 };
 255
 256 enum wxShutdownFlags
 257 {
 258     wxSHUTDOWN_POWEROFF,    // power off the computer
 259     wxSHUTDOWN_REBOOT       // shutdown and reboot
 260 };
 261
 262 // Shutdown or reboot the PC
 263 WXDLLIMPEXP_BASE bool wxShutdown(wxShutdownFlags wFlags);
 264
 265 enum wxPowerType
 266 {
 267     wxPOWER_SOCKET,
 268     wxPOWER_BATTERY,
 269     wxPOWER_UNKNOWN
 270 };
 271
 272 WXDLLIMPEXP_BASE wxPowerType wxGetPowerType();
 273
 274 enum wxBatteryState
 275 {
 276     wxBATTERY_NORMAL_STATE,    // system is fully usable
 277     wxBATTERY_LOW_STATE,       // start to worry
 278     wxBATTERY_CRITICAL_STATE,  // save quickly
 279     wxBATTERY_SHUTDOWN_STATE,  // too late
 280     wxBATTERY_UNKNOWN_STATE
 281 };
 282
 283 WXDLLIMPEXP_BASE wxBatteryState wxGetBatteryState();
 284
 285 // send the given signal to the process (only NONE and KILL are supported under
 286 // Windows, all others mean TERM), return 0 if ok and -1 on error
 287 //
 288 // return detailed error in rc if not NULL
 289 WXDLLIMPEXP_BASE int wxKill(long pid,
 290                        wxSignal sig = wxSIGTERM,
 291                        wxKillError *rc = NULL,
 292                        int flags = wxKILL_NOCHILDREN);
 293
 294 // Execute a command in an interactive shell window (always synchronously)
 295 // If no command then just the shell
 296 WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString);
 297
 298 // As wxShell(), but must give a (non interactive) command and its output will
 299 // be returned in output array
 300 WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output);
 301
 302 // Sleep for nSecs seconds
 303 WXDLLIMPEXP_BASE void wxSleep(int nSecs);
 304
 305 // Sleep for a given amount of milliseconds
 306 WXDLLIMPEXP_BASE void wxMilliSleep(unsigned long milliseconds);
 307
 308 // Sleep for a given amount of microseconds
 309 WXDLLIMPEXP_BASE void wxMicroSleep(unsigned long microseconds);
 310
 311 // Sleep for a given amount of milliseconds (old, bad name), use wxMilliSleep
 312 wxDEPRECATED( WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds) );
 313
 314 // Get the process id of the current process
 315 WXDLLIMPEXP_BASE unsigned long wxGetProcessId();
 316
 317 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 318 WXDLLIMPEXP_BASE wxMemorySize wxGetFreeMemory();
 319
 320 #if wxUSE_ON_FATAL_EXCEPTION
 321
 322 // should wxApp::OnFatalException() be called?
 323 WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = true);
 324
 325 #endif // wxUSE_ON_FATAL_EXCEPTION
 326
 327 // flags for wxLaunchDefaultBrowser
 328 enum
 329 {
 330     wxBROWSER_NEW_WINDOW = 1
 331 };
 332
 333 // Launch url in the user's default internet browser
 334 WXDLLIMPEXP_BASE bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0);
 335
 336 // ----------------------------------------------------------------------------
 337 // Environment variables
 338 // ----------------------------------------------------------------------------
 339
 340 // returns true if variable exists (value may be NULL if you just want to check
 341 // for this)
 342 WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value);
 343
 344 // set the env var name to the given value, return true on success
 345 WXDLLIMPEXP_BASE bool wxSetEnv(const wxString& var, const wxChar *value);
 346
 347 // remove the env var from environment
 348 inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); }
 349
 350 // ----------------------------------------------------------------------------
 351 // Network and username functions.
 352 // ----------------------------------------------------------------------------
 353
 354 // NB: "char *" functions are deprecated, use wxString ones!
 355
 356 // Get eMail address
 357 WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize);
 358 WXDLLIMPEXP_BASE wxString wxGetEmailAddress();
 359
 360 // Get hostname.
 361 WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize);
 362 WXDLLIMPEXP_BASE wxString wxGetHostName();
 363
 364 // Get FQDN
 365 WXDLLIMPEXP_BASE wxString wxGetFullHostName();
 366 WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize);
 367
 368 // Get user ID e.g. jacs (this is known as login name under Unix)
 369 WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize);
 370 WXDLLIMPEXP_BASE wxString wxGetUserId();
 371
 372 // Get user name e.g. Julian Smart
 373 WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize);
 374 WXDLLIMPEXP_BASE wxString wxGetUserName();
 375
 376 // Get current Home dir and copy to dest (returns pstr->c_str())
 377 WXDLLIMPEXP_BASE wxString wxGetHomeDir();
 378 WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr);
 379
 380 // Get the user's home dir (caller must copy --- volatile)
 381 // returns NULL is no HOME dir is known
 382 #if defined(__UNIX__) && wxUSE_UNICODE
 383 WXDLLIMPEXP_BASE const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString);
 384 #else
 385 WXDLLIMPEXP_BASE wxChar* wxGetUserHome(const wxString& user = wxEmptyString);
 386 #endif
 387
 388 // get number of total/free bytes on the disk where path belongs
 389 WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path,
 390                                 wxLongLong *pTotal = NULL,
 391                                 wxLongLong *pFree = NULL);
 392
 393 #if wxUSE_GUI // GUI only things from now on
 394
 395 // ----------------------------------------------------------------------------
 396 // Menu accelerators related things
 397 // ----------------------------------------------------------------------------
 398
 399 WXDLLEXPORT wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = (wxChar *) NULL);
 400 WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str);
 401
 402 #if wxUSE_ACCEL
 403 class WXDLLEXPORT wxAcceleratorEntry;
 404 WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label);
 405 #endif // wxUSE_ACCEL
 406
 407 // ----------------------------------------------------------------------------
 408 // Window search
 409 // ----------------------------------------------------------------------------
 410
 411 // Returns menu item id or wxNOT_FOUND if none.
 412 WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
 413
 414 // Find the wxWindow at the given point. wxGenericFindWindowAtPoint
 415 // is always present but may be less reliable than a native version.
 416 WXDLLEXPORT wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt);
 417 WXDLLEXPORT wxWindow* wxFindWindowAtPoint(const wxPoint& pt);
 418
 419 // NB: this function is obsolete, use wxWindow::FindWindowByLabel() instead
 420 //
 421 // Find the window/widget with the given title or label.
 422 // Pass a parent to begin the search from, or NULL to look through
 423 // all windows.
 424 WXDLLEXPORT wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = (wxWindow *) NULL);
 425
 426 // NB: this function is obsolete, use wxWindow::FindWindowByName() instead
 427 //
 428 // Find window by name, and if that fails, by label.
 429 WXDLLEXPORT wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = (wxWindow *) NULL);
 430
 431 // ----------------------------------------------------------------------------
 432 // Message/event queue helpers
 433 // ----------------------------------------------------------------------------
 434
 435 // Yield to other apps/messages and disable user input
 436 WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = false);
 437
 438 // Enable or disable input to all top level windows
 439 WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = true);
 440
 441 // Check whether this window wants to process messages, e.g. Stop button
 442 // in long calculations.
 443 WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd);
 444
 445 // Consume all events until no more left
 446 WXDLLEXPORT void wxFlushEvents();
 447
 448 // a class which disables all windows (except, may be, thegiven one) in its
 449 // ctor and enables them back in its dtor
 450 class WXDLLEXPORT wxWindowDisabler
 451 {
 452 public:
 453     wxWindowDisabler(wxWindow *winToSkip = (wxWindow *)NULL);
 454     ~wxWindowDisabler();
 455
 456 private:
 457     wxWindowList *m_winDisabled;
 458
 459     DECLARE_NO_COPY_CLASS(wxWindowDisabler)
 460 };
 461
 462 // ----------------------------------------------------------------------------
 463 // Cursors
 464 // ----------------------------------------------------------------------------
 465
 466 // Set the cursor to the busy cursor for all windows
 467 class WXDLLEXPORT wxCursor;
 468 extern WXDLLEXPORT_DATA(wxCursor*) wxHOURGLASS_CURSOR;
 469 WXDLLEXPORT void wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR);
 470
 471 // Restore cursor to normal
 472 WXDLLEXPORT void wxEndBusyCursor();
 473
 474 // true if we're between the above two calls
 475 WXDLLEXPORT bool wxIsBusy();
 476
 477 // Convenience class so we can just create a wxBusyCursor object on the stack
 478 class WXDLLEXPORT wxBusyCursor
 479 {
 480 public:
 481     wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR)
 482         { wxBeginBusyCursor(cursor); }
 483     ~wxBusyCursor()
 484         { wxEndBusyCursor(); }
 485
 486     // FIXME: These two methods are currently only implemented (and needed?)
 487     //        in wxGTK.  BusyCursor handling should probably be moved to
 488     //        common code since the wxGTK and wxMSW implementations are very
 489     //        similar except for wxMSW using HCURSOR directly instead of
 490     //        wxCursor..  -- RL.
 491     static const wxCursor &GetStoredCursor();
 492     static const wxCursor GetBusyCursor();
 493 };
 494
 495
 496 // ----------------------------------------------------------------------------
 497 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 498 // ----------------------------------------------------------------------------
 499
 500 #if wxUSE_RESOURCES
 501 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file = wxEmptyString);
 502 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file = wxEmptyString);
 503 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file = wxEmptyString);
 504 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file = wxEmptyString);
 505
 506 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file = wxEmptyString);
 507 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file = wxEmptyString);
 508 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file = wxEmptyString);
 509 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file = wxEmptyString);
 510 #endif // wxUSE_RESOURCES
 511
 512 void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 513
 514 // MSW only: get user-defined resource from the .res file.
 515 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 516 #ifdef __WXMSW__
 517     extern WXDLLEXPORT const wxChar* wxUserResourceStr;
 518     WXDLLEXPORT wxChar* wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr);
 519 #endif // MSW
 520
 521 // ----------------------------------------------------------------------------
 522 // Display and colorss (X only)
 523 // ----------------------------------------------------------------------------
 524
 525 #ifdef __WXGTK__
 526     void *wxGetDisplay();
 527 #endif
 528
 529 #ifdef __X__
 530     WXDLLIMPEXP_CORE WXDisplay *wxGetDisplay();
 531     WXDLLIMPEXP_CORE bool wxSetDisplay(const wxString& display_name);
 532     WXDLLIMPEXP_CORE wxString wxGetDisplayName();
 533 #endif // X or GTK+
 534
 535 #ifdef __X__
 536
 537 #ifdef __VMS__ // Xlib.h for VMS is not (yet) compatible with C++
 538                // The resulting warnings are switched off here
 539 #pragma message disable nosimpint
 540 #endif
 541 // #include <X11/Xlib.h>
 542 #ifdef __VMS__
 543 #pragma message enable nosimpint
 544 #endif
 545
 546 #endif //__X__
 547
 548 #endif // wxUSE_GUI
 549
 550 // ----------------------------------------------------------------------------
 551 // wxYield(): these functions are obsolete, please use wxApp methods instead!
 552 // ----------------------------------------------------------------------------
 553
 554 // Yield to other apps/messages
 555 WXDLLIMPEXP_BASE bool wxYield();
 556
 557 // Like wxYield, but fails silently if the yield is recursive.
 558 WXDLLIMPEXP_BASE bool wxYieldIfNeeded();
 559
 560 // ----------------------------------------------------------------------------
 561 // Error message functions used by wxWidgets (deprecated, use wxLog)
 562 // ----------------------------------------------------------------------------
 563
 564 #endif
 565     // _WX_UTILSH__