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 // wxMouseState is used to hold information about button and modifier state
 119 // and is what is returned from wxGetMouseState.
 120 class WXDLLEXPORT wxMouseState
 121 {
 122 public:
 123     wxMouseState()
 124         : m_x(0), m_y(0),
 125           m_leftDown(false), m_middleDown(false), m_rightDown(false),
 126           m_controlDown(false), m_shiftDown(false), m_altDown(false),
 127           m_metaDown(false)
 128     {}
 129
 130     wxCoord     GetX() { return m_x; }
 131     wxCoord     GetY() { return m_y; }
 132
 133     bool        LeftDown()    { return m_leftDown; }
 134     bool        MiddleDown()  { return m_middleDown; }
 135     bool        RightDown()   { return m_rightDown; }
 136
 137     bool        ControlDown() { return m_controlDown; }
 138     bool        ShiftDown()   { return m_shiftDown; }
 139     bool        AltDown()     { return m_altDown; }
 140     bool        MetaDown()    { return m_metaDown; }
 141     bool        CmdDown()
 142     {
 143 #if defined(__WXMAC__) || defined(__WXCOCOA__)
 144         return MetaDown();
 145 #else
 146         return ControlDown();
 147 #endif
 148     }
 149
 150     void        SetX(wxCoord x) { m_x = x; }
 151     void        SetY(wxCoord y) { m_y = y; }
 152
 153     void        SetLeftDown(bool down)   { m_leftDown = down; }
 154     void        SetMiddleDown(bool down) { m_middleDown = down; }
 155     void        SetRightDown(bool down)  { m_rightDown = down; }
 156
 157     void        SetControlDown(bool down) { m_controlDown = down; }
 158     void        SetShiftDown(bool down)   { m_shiftDown = down; }
 159     void        SetAltDown(bool down)     { m_altDown = down; }
 160     void        SetMetaDown(bool down)    { m_metaDown = down; }
 161
 162 private:
 163     wxCoord     m_x;
 164     wxCoord     m_y;
 165
 166     bool        m_leftDown;
 167     bool        m_middleDown;
 168     bool        m_rightDown;
 169
 170     bool        m_controlDown;
 171     bool        m_shiftDown;
 172     bool        m_altDown;
 173     bool        m_metaDown;
 174 };
 175
 176
 177 // Returns the current state of the mouse position, buttons and modifers
 178 WXDLLEXPORT wxMouseState wxGetMouseState();
 179
 180
 181 // ----------------------------------------------------------------------------
 182 // Window ID management
 183 // ----------------------------------------------------------------------------
 184
 185 // Generate a unique ID
 186 WXDLLEXPORT long wxNewId();
 187
 188 // Ensure subsequent IDs don't clash with this one
 189 WXDLLEXPORT void wxRegisterId(long id);
 190
 191 // Return the current ID
 192 WXDLLEXPORT long wxGetCurrentId();
 193
 194 #endif // wxUSE_GUI
 195
 196 // ----------------------------------------------------------------------------
 197 // Various conversions
 198 // ----------------------------------------------------------------------------
 199
 200 // these functions are deprecated, use wxString methods instead!
 201 #if WXWIN_COMPATIBILITY_2_4
 202
 203 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxFloatToStringStr;
 204 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDoubleToStringStr;
 205
 206 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToFloat(const wxChar *s, float *number) );
 207 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr) );
 208 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToDouble(const wxChar *s, double *number) );
 209 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr) );
 210 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToInt(const wxChar *s, int *number) );
 211 wxDEPRECATED( WXDLLIMPEXP_BASE void StringToLong(const wxChar *s, long *number) );
 212 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* IntToString(int number) );
 213 wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* LongToString(long number) );
 214
 215 #endif // WXWIN_COMPATIBILITY_2_4
 216
 217 // Convert 2-digit hex number to decimal
 218 WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf);
 219
 220 // Convert decimal integer to 2-character hex string
 221 WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf);
 222 WXDLLIMPEXP_BASE wxString wxDecToHex(int dec);
 223
 224 // ----------------------------------------------------------------------------
 225 // Process management
 226 // ----------------------------------------------------------------------------
 227
 228 // NB: for backwards compatibility reasons the values of wxEXEC_[A]SYNC *must*
 229 //     be 0 and 1, don't change!
 230
 231 enum
 232 {
 233     // execute the process asynchronously
 234     wxEXEC_ASYNC    = 0,
 235
 236     // execute it synchronously, i.e. wait until it finishes
 237     wxEXEC_SYNC     = 1,
 238
 239     // under Windows, don't hide the child even if it's IO is redirected (this
 240     // is done by default)
 241     wxEXEC_NOHIDE   = 2,
 242
 243     // under Unix, if the process is the group leader then passing wxKILL_CHILDREN to wxKill
 244     // kills all children as well as pid
 245     wxEXEC_MAKE_GROUP_LEADER = 4,
 246
 247     // by default synchronous execution disables all program windows to avoid
 248     // that the user interacts with the program while the child process is
 249     // running, you can use this flag to prevent this from happening
 250     wxEXEC_NODISABLE = 8
 251 };
 252
 253 // Execute another program.
 254 //
 255 // If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the
 256 // process if everything was ok. Otherwise (i.e. if wxEXEC_ASYNC), return 0 on
 257 // failure and the PID of the launched process if ok.
 258 WXDLLIMPEXP_BASE long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC,
 259                            wxProcess *process = (wxProcess *) NULL);
 260 WXDLLIMPEXP_BASE long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,
 261                            wxProcess *process = (wxProcess *) NULL);
 262
 263 // execute the command capturing its output into an array line by line, this is
 264 // always synchronous
 265 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
 266                                 wxArrayString& output,
 267                                 int flags = 0);
 268
 269 // also capture stderr (also synchronous)
 270 WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
 271                                 wxArrayString& output,
 272                                 wxArrayString& error,
 273                                 int flags = 0);
 274
 275 #if defined(__WXMSW__) && wxUSE_IPC
 276 // ask a DDE server to execute the DDE request with given parameters
 277 WXDLLIMPEXP_BASE bool wxExecuteDDE(const wxString& ddeServer,
 278                                    const wxString& ddeTopic,
 279                                    const wxString& ddeCommand);
 280 #endif // __WXMSW__ && wxUSE_IPC
 281
 282 enum wxSignal
 283 {
 284     wxSIGNONE = 0,  // verify if the process exists under Unix
 285     wxSIGHUP,
 286     wxSIGINT,
 287     wxSIGQUIT,
 288     wxSIGILL,
 289     wxSIGTRAP,
 290     wxSIGABRT,
 291     wxSIGIOT = wxSIGABRT,   // another name
 292     wxSIGEMT,
 293     wxSIGFPE,
 294     wxSIGKILL,
 295     wxSIGBUS,
 296     wxSIGSEGV,
 297     wxSIGSYS,
 298     wxSIGPIPE,
 299     wxSIGALRM,
 300     wxSIGTERM
 301
 302     // further signals are different in meaning between different Unix systems
 303 };
 304
 305 enum wxKillError
 306 {
 307     wxKILL_OK,              // no error
 308     wxKILL_BAD_SIGNAL,      // no such signal
 309     wxKILL_ACCESS_DENIED,   // permission denied
 310     wxKILL_NO_PROCESS,      // no such process
 311     wxKILL_ERROR            // another, unspecified error
 312 };
 313
 314 enum wxKillFlags
 315 {
 316     wxKILL_NOCHILDREN = 0,  // don't kill children
 317     wxKILL_CHILDREN = 1     // kill children
 318 };
 319
 320 enum wxShutdownFlags
 321 {
 322     wxSHUTDOWN_POWEROFF,    // power off the computer
 323     wxSHUTDOWN_REBOOT       // shutdown and reboot
 324 };
 325
 326 // Shutdown or reboot the PC
 327 WXDLLIMPEXP_BASE bool wxShutdown(wxShutdownFlags wFlags);
 328
 329 enum wxPowerType
 330 {
 331     wxPOWER_SOCKET,
 332     wxPOWER_BATTERY,
 333     wxPOWER_UNKNOWN
 334 };
 335
 336 WXDLLIMPEXP_BASE wxPowerType wxGetPowerType();
 337
 338 enum wxBatteryState
 339 {
 340     wxBATTERY_NORMAL_STATE,    // system is fully usable
 341     wxBATTERY_LOW_STATE,       // start to worry
 342     wxBATTERY_CRITICAL_STATE,  // save quickly
 343     wxBATTERY_SHUTDOWN_STATE,  // too late
 344     wxBATTERY_UNKNOWN_STATE
 345 };
 346
 347 WXDLLIMPEXP_BASE wxBatteryState wxGetBatteryState();
 348
 349 // send the given signal to the process (only NONE and KILL are supported under
 350 // Windows, all others mean TERM), return 0 if ok and -1 on error
 351 //
 352 // return detailed error in rc if not NULL
 353 WXDLLIMPEXP_BASE int wxKill(long pid,
 354                        wxSignal sig = wxSIGTERM,
 355                        wxKillError *rc = NULL,
 356                        int flags = wxKILL_NOCHILDREN);
 357
 358 // Execute a command in an interactive shell window (always synchronously)
 359 // If no command then just the shell
 360 WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString);
 361
 362 // As wxShell(), but must give a (non interactive) command and its output will
 363 // be returned in output array
 364 WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output);
 365
 366 // Sleep for nSecs seconds
 367 WXDLLIMPEXP_BASE void wxSleep(int nSecs);
 368
 369 // Sleep for a given amount of milliseconds
 370 WXDLLIMPEXP_BASE void wxMilliSleep(unsigned long milliseconds);
 371
 372 // Sleep for a given amount of microseconds
 373 WXDLLIMPEXP_BASE void wxMicroSleep(unsigned long microseconds);
 374
 375 // Sleep for a given amount of milliseconds (old, bad name), use wxMilliSleep
 376 wxDEPRECATED( WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds) );
 377
 378 // Get the process id of the current process
 379 WXDLLIMPEXP_BASE unsigned long wxGetProcessId();
 380
 381 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 382 WXDLLIMPEXP_BASE wxMemorySize wxGetFreeMemory();
 383
 384 #if wxUSE_ON_FATAL_EXCEPTION
 385
 386 // should wxApp::OnFatalException() be called?
 387 WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = true);
 388
 389 #endif // wxUSE_ON_FATAL_EXCEPTION
 390
 391 // flags for wxLaunchDefaultBrowser
 392 enum
 393 {
 394     wxBROWSER_NEW_WINDOW = 1
 395 };
 396
 397 // Launch url in the user's default internet browser
 398 WXDLLIMPEXP_BASE bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0);
 399
 400 // ----------------------------------------------------------------------------
 401 // Environment variables
 402 // ----------------------------------------------------------------------------
 403
 404 // returns true if variable exists (value may be NULL if you just want to check
 405 // for this)
 406 WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value);
 407
 408 // set the env var name to the given value, return true on success
 409 WXDLLIMPEXP_BASE bool wxSetEnv(const wxString& var, const wxChar *value);
 410
 411 // remove the env var from environment
 412 inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); }
 413
 414 // ----------------------------------------------------------------------------
 415 // Network and username functions.
 416 // ----------------------------------------------------------------------------
 417
 418 // NB: "char *" functions are deprecated, use wxString ones!
 419
 420 // Get eMail address
 421 WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize);
 422 WXDLLIMPEXP_BASE wxString wxGetEmailAddress();
 423
 424 // Get hostname.
 425 WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize);
 426 WXDLLIMPEXP_BASE wxString wxGetHostName();
 427
 428 // Get FQDN
 429 WXDLLIMPEXP_BASE wxString wxGetFullHostName();
 430 WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize);
 431
 432 // Get user ID e.g. jacs (this is known as login name under Unix)
 433 WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize);
 434 WXDLLIMPEXP_BASE wxString wxGetUserId();
 435
 436 // Get user name e.g. Julian Smart
 437 WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize);
 438 WXDLLIMPEXP_BASE wxString wxGetUserName();
 439
 440 // Get current Home dir and copy to dest (returns pstr->c_str())
 441 WXDLLIMPEXP_BASE wxString wxGetHomeDir();
 442 WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr);
 443
 444 // Get the user's home dir (caller must copy --- volatile)
 445 // returns NULL is no HOME dir is known
 446 #if defined(__UNIX__) && wxUSE_UNICODE
 447 WXDLLIMPEXP_BASE const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString);
 448 #else
 449 WXDLLIMPEXP_BASE wxChar* wxGetUserHome(const wxString& user = wxEmptyString);
 450 #endif
 451
 452 // get number of total/free bytes on the disk where path belongs
 453 WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path,
 454                                 wxLongLong *pTotal = NULL,
 455                                 wxLongLong *pFree = NULL);
 456
 457 #if wxUSE_GUI // GUI only things from now on
 458
 459 // ----------------------------------------------------------------------------
 460 // Menu accelerators related things
 461 // ----------------------------------------------------------------------------
 462
 463 WXDLLEXPORT wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = (wxChar *) NULL);
 464 WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str);
 465
 466 #if wxUSE_ACCEL
 467 class WXDLLEXPORT wxAcceleratorEntry;
 468 WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label);
 469 #endif // wxUSE_ACCEL
 470
 471 // ----------------------------------------------------------------------------
 472 // Window search
 473 // ----------------------------------------------------------------------------
 474
 475 // Returns menu item id or wxNOT_FOUND if none.
 476 WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
 477
 478 // Find the wxWindow at the given point. wxGenericFindWindowAtPoint
 479 // is always present but may be less reliable than a native version.
 480 WXDLLEXPORT wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt);
 481 WXDLLEXPORT wxWindow* wxFindWindowAtPoint(const wxPoint& pt);
 482
 483 // NB: this function is obsolete, use wxWindow::FindWindowByLabel() instead
 484 //
 485 // Find the window/widget with the given title or label.
 486 // Pass a parent to begin the search from, or NULL to look through
 487 // all windows.
 488 WXDLLEXPORT wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = (wxWindow *) NULL);
 489
 490 // NB: this function is obsolete, use wxWindow::FindWindowByName() instead
 491 //
 492 // Find window by name, and if that fails, by label.
 493 WXDLLEXPORT wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = (wxWindow *) NULL);
 494
 495 // ----------------------------------------------------------------------------
 496 // Message/event queue helpers
 497 // ----------------------------------------------------------------------------
 498
 499 // Yield to other apps/messages and disable user input
 500 WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = false);
 501
 502 // Enable or disable input to all top level windows
 503 WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = true);
 504
 505 // Check whether this window wants to process messages, e.g. Stop button
 506 // in long calculations.
 507 WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd);
 508
 509 // Consume all events until no more left
 510 WXDLLEXPORT void wxFlushEvents();
 511
 512 // a class which disables all windows (except, may be, thegiven one) in its
 513 // ctor and enables them back in its dtor
 514 class WXDLLEXPORT wxWindowDisabler
 515 {
 516 public:
 517     wxWindowDisabler(wxWindow *winToSkip = (wxWindow *)NULL);
 518     ~wxWindowDisabler();
 519
 520 private:
 521     wxWindowList *m_winDisabled;
 522
 523     DECLARE_NO_COPY_CLASS(wxWindowDisabler)
 524 };
 525
 526 // ----------------------------------------------------------------------------
 527 // Cursors
 528 // ----------------------------------------------------------------------------
 529
 530 // Set the cursor to the busy cursor for all windows
 531 class WXDLLEXPORT wxCursor;
 532 extern WXDLLEXPORT_DATA(wxCursor*) wxHOURGLASS_CURSOR;
 533 WXDLLEXPORT void wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR);
 534
 535 // Restore cursor to normal
 536 WXDLLEXPORT void wxEndBusyCursor();
 537
 538 // true if we're between the above two calls
 539 WXDLLEXPORT bool wxIsBusy();
 540
 541 // Convenience class so we can just create a wxBusyCursor object on the stack
 542 class WXDLLEXPORT wxBusyCursor
 543 {
 544 public:
 545     wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR)
 546         { wxBeginBusyCursor(cursor); }
 547     ~wxBusyCursor()
 548         { wxEndBusyCursor(); }
 549
 550     // FIXME: These two methods are currently only implemented (and needed?)
 551     //        in wxGTK.  BusyCursor handling should probably be moved to
 552     //        common code since the wxGTK and wxMSW implementations are very
 553     //        similar except for wxMSW using HCURSOR directly instead of
 554     //        wxCursor..  -- RL.
 555     static const wxCursor &GetStoredCursor();
 556     static const wxCursor GetBusyCursor();
 557 };
 558
 559
 560 // ----------------------------------------------------------------------------
 561 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 562 // ----------------------------------------------------------------------------
 563
 564 #if wxUSE_RESOURCES
 565 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file = wxEmptyString);
 566 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file = wxEmptyString);
 567 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file = wxEmptyString);
 568 WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file = wxEmptyString);
 569
 570 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file = wxEmptyString);
 571 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file = wxEmptyString);
 572 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file = wxEmptyString);
 573 WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file = wxEmptyString);
 574 #endif // wxUSE_RESOURCES
 575
 576 void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 577
 578 // MSW only: get user-defined resource from the .res file.
 579 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 580 #ifdef __WXMSW__
 581     extern WXDLLEXPORT const wxChar* wxUserResourceStr;
 582     WXDLLEXPORT wxChar* wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr);
 583 #endif // MSW
 584
 585 // ----------------------------------------------------------------------------
 586 // Display and colorss (X only)
 587 // ----------------------------------------------------------------------------
 588
 589 #ifdef __WXGTK__
 590     void *wxGetDisplay();
 591 #endif
 592
 593 #ifdef __X__
 594     WXDLLIMPEXP_CORE WXDisplay *wxGetDisplay();
 595     WXDLLIMPEXP_CORE bool wxSetDisplay(const wxString& display_name);
 596     WXDLLIMPEXP_CORE wxString wxGetDisplayName();
 597 #endif // X or GTK+
 598
 599 #ifdef __X__
 600
 601 #ifdef __VMS__ // Xlib.h for VMS is not (yet) compatible with C++
 602                // The resulting warnings are switched off here
 603 #pragma message disable nosimpint
 604 #endif
 605 // #include <X11/Xlib.h>
 606 #ifdef __VMS__
 607 #pragma message enable nosimpint
 608 #endif
 609
 610 #endif //__X__
 611
 612 #endif // wxUSE_GUI
 613
 614 // ----------------------------------------------------------------------------
 615 // wxYield(): these functions are obsolete, please use wxApp methods instead!
 616 // ----------------------------------------------------------------------------
 617
 618 // Yield to other apps/messages
 619 WXDLLIMPEXP_BASE bool wxYield();
 620
 621 // Like wxYield, but fails silently if the yield is recursive.
 622 WXDLLIMPEXP_BASE bool wxYieldIfNeeded();
 623
 624 // ----------------------------------------------------------------------------
 625 // Error message functions used by wxWidgets (deprecated, use wxLog)
 626 // ----------------------------------------------------------------------------
 627
 628 #endif
 629     // _WX_UTILSH__