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 64-bit platforms
  56 // define wxMemorySize according to the type which best fits your platform
  57 #if wxUSE_LONGLONG && defined(__WIN64__)
  58     // 64 bit Windowses have sizeof(long) only 32 bit long
  59     // we need to use wxLongLong to express memory sizes
  60     #define wxMemorySize wxLongLong
  61 #else
  62     // 64 bit UNIX has sizeof(long) = 64
  63     // assume 32 bit platforms cannnot return more than 32bits of
  64     #define wxMemorySize long
  65 #endif
  66
  67 // ----------------------------------------------------------------------------
  68 // String functions (deprecated, use wxString)
  69 // ----------------------------------------------------------------------------
  70
  71 // Make a copy of this string using 'new'
  72 #if WXWIN_COMPATIBILITY_2_4
  73 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s) );
  74 #endif
  75
  76 // A shorter way of using strcmp
  77 #define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0))
  78
  79 // ----------------------------------------------------------------------------
  80 // Miscellaneous functions
  81 // ----------------------------------------------------------------------------
  82
  83 // Sound the bell
  84 #if !defined __EMX__ && \
  85     (defined __WXMOTIF__ || defined __WXGTK__ || defined __WXX11__)
  86 WXDLLIMPEXP_CORE void wxBell();
  87 #else
  88 WXDLLIMPEXP_BASE void wxBell();
  89 #endif
  90
  91 // Get OS description as a user-readable string
  92 WXDLLIMPEXP_BASE wxString wxGetOsDescription();
  93
  94 // Get OS version
  95 WXDLLIMPEXP_BASE int wxGetOsVersion(int *majorVsn = (int *) NULL,
  96                                int *minorVsn = (int *) NULL);
  97
  98 // Return a string with the current date/time
  99 WXDLLIMPEXP_BASE wxString wxNow();
 100
 101 // Return path where wxWidgets is installed (mostly useful in Unices)
 102 WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix();
 103 // Return path to wxWin data (/usr/share/wx/%{version}) (Unices)
 104 WXDLLIMPEXP_BASE wxString wxGetDataDir();
 105
 106
 107 #if wxUSE_GUI
 108
 109 // Get the state of a key (true if pressed, false if not)
 110 // This is generally most useful getting the state of
 111 // the modifier or toggle keys.
 112 WXDLLEXPORT bool wxGetKeyState(wxKeyCode key);
 113
 114
 115 // Don't synthesize KeyUp events holding down a key and producing
 116 // KeyDown events with autorepeat. On by default and always on
 117 // in wxMSW.
 118 WXDLLEXPORT bool wxSetDetectableAutoRepeat( bool flag );
 119
 120 // ----------------------------------------------------------------------------
 121 // Window ID management
 122 // ----------------------------------------------------------------------------
 123
 124 // Generate a unique ID
 125 WXDLLEXPORT long wxNewId();
 126
 127 // Ensure subsequent IDs don't clash with this one
 128 WXDLLEXPORT void wxRegisterId(long id);
 129
 130 // Return the current ID
 131 WXDLLEXPORT long wxGetCurrentId();
 132
 133 #endif // wxUSE_GUI
 134
 135 // ----------------------------------------------------------------------------
 136 // Various conversions
 137 // ----------------------------------------------------------------------------
 138
 139 // these functions are deprecated, use wxString methods instead!
 140 #if WXWIN_COMPATIBILITY_2_4
 141
 142 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxFloatToStringStr;
 143 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDoubleToStringStr;
 144
 145 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToFloat(const wxChar *s, float *number) );
 146 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr) );
 147 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToDouble(const wxChar *s, double *number) );
 148 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr) );
 149 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToInt(const wxChar *s, int *number) );
 150 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToLong(const wxChar *s, long *number) );
 151 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* IntToString(int number) );
 152 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* LongToString(long number) );
 153
 154 #endif // WXWIN_COMPATIBILITY_2_4
 155
 156 // Convert 2-digit hex number to decimal
 157 WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf);
 158
 159 // Convert decimal integer to 2-character hex string
 160 WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf);
 161 WXDLLIMPEXP_BASE wxString wxDecToHex(int dec);
 162
 163 // ----------------------------------------------------------------------------
 164 // Process management
 165 // ----------------------------------------------------------------------------
 166
 167 // NB: for backwards compatibility reasons the values of wxEXEC_[A]SYNC *must*
 168 //     be 0 and 1, don't change!
 169
 170 enum
 171 {
 172     // execute the process asynchronously
 173     wxEXEC_ASYNC    = 0,
 174
 175     // execute it synchronously, i.e. wait until it finishes
 176     wxEXEC_SYNC     = 1,
 177
 178     // under Windows, don't hide the child even if it's IO is redirected (this
 179     // is done by default)
 180     wxEXEC_NOHIDE   = 2,
 181
 182     // under Unix, if the process is the group leader then passing wxKILL_CHILDREN to wxKill
 183     // kills all children as well as pid
 184     wxEXEC_MAKE_GROUP_LEADER = 4,
 185
 186     // by default synchronous execution disables all program windows to avoid
 187     // that the user interacts with the program while the child process is
 188     // running, you can use this flag to prevent this from happening
 189     wxEXEC_NODISABLE = 8
 190 };
 191
 192 // Execute another program.
 193 //
 194 // If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the
 195 // process if everything was ok. Otherwise (i.e. if wxEXEC_ASYNC), return 0 on
 196 // failure and the PID of the launched process if ok.
 197 WXDLLIMPEXP_BASE long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC,
 198                            wxProcess *process = (wxProcess *) NULL);
 199 WXDLLIMPEXP_BASE long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,
 200                            wxProcess *process = (wxProcess *) NULL);
 201
 202 // execute the command capturing its output into an array line by line, this is
 203 // always synchronous
 204 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
 205                                 wxArrayString& output,
 206                                 int flags = 0);
 207
 208 // also capture stderr (also synchronous)
 209 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
 210                                 wxArrayString& output,
 211                                 wxArrayString& error,
 212                                 int flags = 0);
 213
 214 #ifdef __WXMSW__
 215 // ask a DDE server to execute the DDE request with given parameters
 216 WXDLLIMPEXP_BASE bool wxExecuteDDE(const wxString& ddeServer,
 217                                    const wxString& ddeTopic,
 218                                    const wxString& ddeCommand);
 219 #endif // __WXMSW__
 220
 221 enum wxSignal
 222 {
 223     wxSIGNONE = 0,  // verify if the process exists under Unix
 224     wxSIGHUP,
 225     wxSIGINT,
 226     wxSIGQUIT,
 227     wxSIGILL,
 228     wxSIGTRAP,
 229     wxSIGABRT,
 230     wxSIGIOT = wxSIGABRT,   // another name
 231     wxSIGEMT,
 232     wxSIGFPE,
 233     wxSIGKILL,
 234     wxSIGBUS,
 235     wxSIGSEGV,
 236     wxSIGSYS,
 237     wxSIGPIPE,
 238     wxSIGALRM,
 239     wxSIGTERM
 240
 241     // further signals are different in meaning between different Unix systems
 242 };
 243
 244 enum wxKillError
 245 {
 246     wxKILL_OK,              // no error
 247     wxKILL_BAD_SIGNAL,      // no such signal
 248     wxKILL_ACCESS_DENIED,   // permission denied
 249     wxKILL_NO_PROCESS,      // no such process
 250     wxKILL_ERROR            // another, unspecified error
 251 };
 252
 253 enum wxKillFlags
 254 {
 255     wxKILL_NOCHILDREN = 0,  // don't kill children
 256     wxKILL_CHILDREN = 1     // kill children
 257 };
 258
 259 enum wxShutdownFlags
 260 {
 261     wxSHUTDOWN_POWEROFF,    // power off the computer
 262     wxSHUTDOWN_REBOOT       // shutdown and reboot
 263 };
 264
 265 // Shutdown or reboot the PC
 266 WXDLLIMPEXP_BASE bool wxShutdown(wxShutdownFlags wFlags);
 267
 268 enum wxPowerType
 269 {
 270     wxPOWER_SOCKET,
 271     wxPOWER_BATTERY,
 272     wxPOWER_UNKNOWN
 273 };
 274
 275 WXDLLIMPEXP_BASE wxPowerType wxGetPowerType();
 276
 277 enum wxBatteryState
 278 {
 279     wxBATTERY_NORMAL_STATE,    // system is fully usable
 280     wxBATTERY_LOW_STATE,       // start to worry
 281     wxBATTERY_CRITICAL_STATE,  // save quickly
 282     wxBATTERY_SHUTDOWN_STATE,  // too late
 283     wxBATTERY_UNKNOWN_STATE
 284 };
 285
 286 WXDLLIMPEXP_BASE wxBatteryState wxGetBatteryState();
 287
 288 // send the given signal to the process (only NONE and KILL are supported under
 289 // Windows, all others mean TERM), return 0 if ok and -1 on error
 290 //
 291 // return detailed error in rc if not NULL
 292 WXDLLIMPEXP_BASE int wxKill(long pid,
 293                        wxSignal sig = wxSIGTERM,
 294                        wxKillError *rc = NULL,
 295                        int flags = wxKILL_NOCHILDREN);
 296
 297 // Execute a command in an interactive shell window (always synchronously)
 298 // If no command then just the shell
 299 WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString);
 300
 301 // As wxShell(), but must give a (non interactive) command and its output will
 302 // be returned in output array
 303 WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output);
 304
 305 // Sleep for nSecs seconds
 306 WXDLLIMPEXP_BASE void wxSleep(int nSecs);
 307
 308 // Sleep for a given amount of milliseconds
 309 WXDLLIMPEXP_BASE void wxMilliSleep(unsigned long milliseconds);
 310
 311 // Sleep for a given amount of microseconds
 312 WXDLLIMPEXP_BASE void wxMicroSleep(unsigned long microseconds);
 313
 314 // Sleep for a given amount of milliseconds (old, bad name), use wxMilliSleep
 315 wxDEPRECATED( WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds) );
 316
 317 // Get the process id of the current process
 318 WXDLLIMPEXP_BASE unsigned long wxGetProcessId();
 319
 320 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 321 WXDLLIMPEXP_BASE wxMemorySize wxGetFreeMemory();
 322
 323 #if wxUSE_ON_FATAL_EXCEPTION
 324
 325 // should wxApp::OnFatalException() be called?
 326 WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = true);
 327
 328 #endif // wxUSE_ON_FATAL_EXCEPTION
 329
 330 // flags for wxLaunchDefaultBrowser
 331 enum
 332 {
 333     wxBROWSER_NEW_WINDOW = 1
 334 };
 335
 336 // Launch url in the user's default internet browser
 337 WXDLLIMPEXP_BASE bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0);
 338
 339 // ----------------------------------------------------------------------------
 340 // Environment variables
 341 // ----------------------------------------------------------------------------
 342
 343 // returns true if variable exists (value may be NULL if you just want to check
 344 // for this)
 345 WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value);
 346
 347 // set the env var name to the given value, return true on success
 348 WXDLLIMPEXP_BASE bool wxSetEnv(const wxString& var, const wxChar *value);
 349
 350 // remove the env var from environment
 351 inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); }
 352
 353 // ----------------------------------------------------------------------------
 354 // Network and username functions.
 355 // ----------------------------------------------------------------------------
 356
 357 // NB: "char *" functions are deprecated, use wxString ones!
 358
 359 // Get eMail address
 360 WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize);
 361 WXDLLIMPEXP_BASE wxString wxGetEmailAddress();
 362
 363 // Get hostname.
 364 WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize);
 365 WXDLLIMPEXP_BASE wxString wxGetHostName();
 366
 367 // Get FQDN
 368 WXDLLIMPEXP_BASE wxString wxGetFullHostName();
 369 WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize);
 370
 371 // Get user ID e.g. jacs (this is known as login name under Unix)
 372 WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize);
 373 WXDLLIMPEXP_BASE wxString wxGetUserId();
 374
 375 // Get user name e.g. Julian Smart
 376 WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize);
 377 WXDLLIMPEXP_BASE wxString wxGetUserName();
 378
 379 // Get current Home dir and copy to dest (returns pstr->c_str())
 380 WXDLLIMPEXP_BASE wxString wxGetHomeDir();
 381 WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr);
 382
 383 // Get the user's home dir (caller must copy --- volatile)
 384 // returns NULL is no HOME dir is known
 385 #if defined(__UNIX__) && wxUSE_UNICODE
 386 WXDLLIMPEXP_BASE const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString);
 387 #else
 388 WXDLLIMPEXP_BASE wxChar* wxGetUserHome(const wxString& user = wxEmptyString);
 389 #endif
 390
 391 // get number of total/free bytes on the disk where path belongs
 392 WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path,
 393                                 wxLongLong *pTotal = NULL,
 394                                 wxLongLong *pFree = NULL);
 395
 396 #if wxUSE_GUI // GUI only things from now on
 397
 398 // ----------------------------------------------------------------------------
 399 // Menu accelerators related things
 400 // ----------------------------------------------------------------------------
 401
 402 WXDLLEXPORT wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = (wxChar *) NULL);
 403 WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str);
 404
 405 #if wxUSE_ACCEL
 406 class WXDLLEXPORT wxAcceleratorEntry;
 407 WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label);
 408 #endif // wxUSE_ACCEL
 409
 410 // ----------------------------------------------------------------------------
 411 // Window search
 412 // ----------------------------------------------------------------------------
 413
 414 // Returns menu item id or wxNOT_FOUND if none.
 415 WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
 416
 417 // Find the wxWindow at the given point. wxGenericFindWindowAtPoint
 418 // is always present but may be less reliable than a native version.
 419 WXDLLEXPORT wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt);
 420 WXDLLEXPORT wxWindow* wxFindWindowAtPoint(const wxPoint& pt);
 421
 422 // NB: this function is obsolete, use wxWindow::FindWindowByLabel() instead
 423 //
 424 // Find the window/widget with the given title or label.
 425 // Pass a parent to begin the search from, or NULL to look through
 426 // all windows.
 427 WXDLLEXPORT wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = (wxWindow *) NULL);
 428
 429 // NB: this function is obsolete, use wxWindow::FindWindowByName() instead
 430 //
 431 // Find window by name, and if that fails, by label.
 432 WXDLLEXPORT wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = (wxWindow *) NULL);
 433
 434 // ----------------------------------------------------------------------------
 435 // Message/event queue helpers
 436 // ----------------------------------------------------------------------------
 437
 438 // Yield to other apps/messages and disable user input
 439 WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = false);
 440
 441 // Enable or disable input to all top level windows
 442 WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = true);
 443
 444 // Check whether this window wants to process messages, e.g. Stop button
 445 // in long calculations.
 446 WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd);
 447
 448 // Consume all events until no more left
 449 WXDLLEXPORT void wxFlushEvents();
 450
 451 // a class which disables all windows (except, may be, thegiven one) in its
 452 // ctor and enables them back in its dtor
 453 class WXDLLEXPORT wxWindowDisabler
 454 {
 455 public:
 456     wxWindowDisabler(wxWindow *winToSkip = (wxWindow *)NULL);
 457     ~wxWindowDisabler();
 458
 459 private:
 460     wxWindowList *m_winDisabled;
 461
 462     DECLARE_NO_COPY_CLASS(wxWindowDisabler)
 463 };
 464
 465 // ----------------------------------------------------------------------------
 466 // Cursors
 467 // ----------------------------------------------------------------------------
 468
 469 // Set the cursor to the busy cursor for all windows
 470 class WXDLLEXPORT wxCursor;
 471 extern WXDLLEXPORT_DATA(wxCursor*) wxHOURGLASS_CURSOR;
 472 WXDLLEXPORT void wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR);
 473
 474 // Restore cursor to normal
 475 WXDLLEXPORT void wxEndBusyCursor();
 476
 477 // true if we're between the above two calls
 478 WXDLLEXPORT bool wxIsBusy();
 479
 480 // Convenience class so we can just create a wxBusyCursor object on the stack
 481 class WXDLLEXPORT wxBusyCursor
 482 {
 483 public:
 484     wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR)
 485         { wxBeginBusyCursor(cursor); }
 486     ~wxBusyCursor()
 487         { wxEndBusyCursor(); }
 488
 489     // FIXME: These two methods are currently only implemented (and needed?)
 490     //        in wxGTK.  BusyCursor handling should probably be moved to
 491     //        common code since the wxGTK and wxMSW implementations are very
 492     //        similar except for wxMSW using HCURSOR directly instead of
 493     //        wxCursor..  -- RL.
 494     static const wxCursor &GetStoredCursor();
 495     static const wxCursor GetBusyCursor();
 496 };
 497
 498
 499 // ----------------------------------------------------------------------------
 500 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 501 // ----------------------------------------------------------------------------
 502
 503 #if wxUSE_RESOURCES
 504 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file = wxEmptyString);
 505 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file = wxEmptyString);
 506 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file = wxEmptyString);
 507 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file = wxEmptyString);
 508
 509 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file = wxEmptyString);
 510 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file = wxEmptyString);
 511 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file = wxEmptyString);
 512 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file = wxEmptyString);
 513 #endif // wxUSE_RESOURCES
 514
 515 void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 516
 517 // MSW only: get user-defined resource from the .res file.
 518 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 519 #ifdef __WXMSW__
 520     extern WXDLLEXPORT const wxChar* wxUserResourceStr;
 521     WXDLLEXPORT wxChar* wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr);
 522 #endif // MSW
 523
 524 // ----------------------------------------------------------------------------
 525 // Display and colorss (X only)
 526 // ----------------------------------------------------------------------------
 527
 528 #ifdef __WXGTK__
 529     void *wxGetDisplay();
 530 #endif
 531
 532 #ifdef __X__
 533     WXDLLIMPEXP_CORE WXDisplay *wxGetDisplay();
 534     WXDLLIMPEXP_CORE bool wxSetDisplay(const wxString& display_name);
 535     WXDLLIMPEXP_CORE wxString wxGetDisplayName();
 536 #endif // X or GTK+
 537
 538 #ifdef __X__
 539
 540 #ifdef __VMS__ // Xlib.h for VMS is not (yet) compatible with C++
 541                // The resulting warnings are switched off here
 542 #pragma message disable nosimpint
 543 #endif
 544 // #include <X11/Xlib.h>
 545 #ifdef __VMS__
 546 #pragma message enable nosimpint
 547 #endif
 548
 549 #endif //__X__
 550
 551 #endif // wxUSE_GUI
 552
 553 // ----------------------------------------------------------------------------
 554 // wxYield(): these functions are obsolete, please use wxApp methods instead!
 555 // ----------------------------------------------------------------------------
 556
 557 // Yield to other apps/messages
 558 WXDLLIMPEXP_BASE bool wxYield();
 559
 560 // Like wxYield, but fails silently if the yield is recursive.
 561 WXDLLIMPEXP_BASE bool wxYieldIfNeeded();
 562
 563 // ----------------------------------------------------------------------------
 564 // Error message functions used by wxWidgets (deprecated, use wxLog)
 565 // ----------------------------------------------------------------------------
 566
 567 #endif
 568     // _WX_UTILSH__