implemented IsModified() and DiscardEdits()

[wxWidgets.git] / include / wx / utils.h

diff --git a/include/wx/utils.h b/include/wx/utils.h
index 8a05c97a83e11c67c0cdcf7775bb0248caac0734..7dd95c8923cced54e063ebdf3257478ea348475f 100644 (file)
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -6,304 +6,504 @@
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart

-// Licence:    wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_UTILSH__
 #define _WX_UTILSH__
 
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_UTILSH__
 #define _WX_UTILSH__
 

-#ifdef __GNUG__
-#pragma interface "utils.h"
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
+// Some older compilers (such as EMX) cannot handle
+// #pragma interface/implementation correctly, iff 
+// #pragma implementation is used in _two_ translation
+// units (as created by e.g. event.cpp compiled for
+// libwx_base and event.cpp compiled for libwx_gui_core).
+// So we must not use those pragmas for those compilers in
+// such files.
+    #pragma interface "utils.h"

 #endif
 
 #endif
 

-#include "wx/setup.h"

 #include "wx/object.h"
 #include "wx/list.h"
 #include "wx/object.h"
 #include "wx/list.h"

-#include "wx/window.h"

 #include "wx/filefn.h"
 #include "wx/filefn.h"

-#include "wx/process.h"

 
 

-#if wxUSE_IOSTREAMH
-#include <iostream.h>
-#else
-#include <iostream>
-#endif
+class WXDLLIMPEXP_BASE wxArrayString;
+
+// need this for wxGetDiskSpace() as we can't, unfortunately, forward declare
+// wxLongLong
+#include "wx/longlong.h"

 
 #ifdef __X__
 
 #ifdef __X__

-#ifndef __VMS__
-/*steve: these two are not known under VMS */
-#include <dirent.h>
-#include <unistd.h>
-#endif
+    #include <dirent.h>
+    #include <unistd.h>

 #endif
 
 #include <stdio.h>
 
 #endif
 
 #include <stdio.h>
 

-#ifdef __GNUWIN32__
-#define stricmp strcasecmp
-#define strnicmp strncasecmp
+// ----------------------------------------------------------------------------
+// Forward declaration
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxProcess;
+class WXDLLIMPEXP_BASE wxFrame;
+class WXDLLIMPEXP_BASE wxWindow;
+class WXDLLIMPEXP_BASE wxWindowList;
+class WXDLLIMPEXP_BASE wxPoint;
+
+// ----------------------------------------------------------------------------
+// Macros
+// ----------------------------------------------------------------------------
+
+#define wxMax(a,b)            (((a) > (b)) ? (a) : (b))
+#define wxMin(a,b)            (((a) < (b)) ? (a) : (b))
+
+// ----------------------------------------------------------------------------
+// String functions (deprecated, use wxString)
+// ----------------------------------------------------------------------------
+
+// Make a copy of this string using 'new'
+#if WXWIN_COMPATIBILITY_2_4
+WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s);

 #endif
 
 #endif
 

-// Forward declaration
-class WXDLLEXPORT wxFrame;
+// A shorter way of using strcmp
+#define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0))
+
+// ----------------------------------------------------------------------------
+// Miscellaneous functions
+// ----------------------------------------------------------------------------

 
 

-// Stupid ASCII macros
-#define   wxToUpper(C)      (((C) >= 'a' && (C) <= 'z')? (C) - 'a' + 'A': (C))
-#define   wxToLower(C)      (((C) >= 'A' && (C) <= 'Z')? (C) - 'A' + 'a': (C))
+// Sound the bell
+WXDLLIMPEXP_BASE void wxBell();
+
+// Get OS description as a user-readable string
+WXDLLIMPEXP_BASE wxString wxGetOsDescription();
+
+// Get OS version
+WXDLLIMPEXP_BASE int wxGetOsVersion(int *majorVsn = (int *) NULL,
+                               int *minorVsn = (int *) NULL);

 
 // Return a string with the current date/time
 
 // Return a string with the current date/time

-wxString WXDLLEXPORT wxNow(void);
+WXDLLIMPEXP_BASE wxString wxNow();

 
 

-// Make a copy of this string using 'new'
-char* WXDLLEXPORT copystring(const char *s);
+// Return path where wxWindows is installed (mostly useful in Unices)
+WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix();
+// Return path to wxWin data (/usr/share/wx/%{version}) (Unices)
+WXDLLIMPEXP_BASE wxString wxGetDataDir();
+
+
+#if wxUSE_GUI
+// Don't synthesize KeyUp events holding down a key and producing
+// KeyDown events with autorepeat. On by default and always on
+// in wxMSW.
+WXDLLEXPORT bool wxSetDetectableAutoRepeat( bool flag );
+
+// ----------------------------------------------------------------------------
+// Window ID management
+// ----------------------------------------------------------------------------

 
 // Generate a unique ID
 
 // Generate a unique ID

-long WXDLLEXPORT wxNewId(void);
-#define NewId wxNewId
+WXDLLEXPORT long wxNewId();

 
 // Ensure subsequent IDs don't clash with this one
 
 // Ensure subsequent IDs don't clash with this one

-void WXDLLEXPORT wxRegisterId(long id);
-#define RegisterId wxRegisterId
+WXDLLEXPORT void wxRegisterId(long id);

 
 // Return the current ID
 
 // Return the current ID

-long WXDLLEXPORT wxGetCurrentId(void);
+WXDLLEXPORT long wxGetCurrentId();

 
 

-// Useful buffer
-WXDLLEXPORT_DATA(extern char*) wxBuffer;
-
-WXDLLEXPORT_DATA(extern const char*) wxFloatToStringStr;
-WXDLLEXPORT_DATA(extern const char*) wxDoubleToStringStr;
+#endif // wxUSE_GUI

 
 

+// ----------------------------------------------------------------------------

 // Various conversions
 // Various conversions

-void WXDLLEXPORT StringToFloat(char *s, float *number);
-char* WXDLLEXPORT FloatToString(float number, const char *fmt = wxFloatToStringStr);
-void WXDLLEXPORT StringToDouble(char *s, double *number);
-char* WXDLLEXPORT DoubleToString(double number, const char *fmt = wxDoubleToStringStr);
-void WXDLLEXPORT StringToInt(char *s, int *number);
-void WXDLLEXPORT StringToLong(char *s, long *number);
-char* WXDLLEXPORT IntToString(int number);
-char* WXDLLEXPORT LongToString(long number);
-
-// Matches string one within string two regardless of case
-bool WXDLLEXPORT StringMatch(char *one, char *two, bool subString = TRUE, bool exact = FALSE);
+// ----------------------------------------------------------------------------

 
 

-// A shorter way of using strcmp
-#define wxStringEq(s1, s2) (s1 && s2 && (strcmp(s1, s2) == 0))
+// these functions are deprecated, use wxString methods instead!
+#if WXWIN_COMPATIBILITY_2_4
+
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxFloatToStringStr;
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxDoubleToStringStr;
+
+WXDLLIMPEXP_BASE void StringToFloat(const wxChar *s, float *number);
+WXDLLIMPEXP_BASE wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr);
+WXDLLIMPEXP_BASE void StringToDouble(const wxChar *s, double *number);
+WXDLLIMPEXP_BASE wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr);
+WXDLLIMPEXP_BASE void StringToInt(const wxChar *s, int *number);
+WXDLLIMPEXP_BASE void StringToLong(const wxChar *s, long *number);
+WXDLLIMPEXP_BASE wxChar* IntToString(int number);
+WXDLLIMPEXP_BASE wxChar* LongToString(long number);
+
+#endif // WXWIN_COMPATIBILITY_2_4

 
 // Convert 2-digit hex number to decimal
 
 // Convert 2-digit hex number to decimal

-int WXDLLEXPORT wxHexToDec(const wxString& buf);
+WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf);

 
 // Convert decimal integer to 2-character hex string
 
 // Convert decimal integer to 2-character hex string

-void WXDLLEXPORT wxDecToHex(int dec, char *buf);
-wxString WXDLLEXPORT wxDecToHex(int dec);
+WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf);
+WXDLLIMPEXP_BASE wxString wxDecToHex(int dec);
+
+// ----------------------------------------------------------------------------
+// Process management
+// ----------------------------------------------------------------------------
+
+// NB: for backwars compatibility reasons the values of wxEXEC_[A]SYNC *must*
+//     be 0 and 1, don't change!
+
+enum
+{
+    // execute the process asynchronously
+    wxEXEC_ASYNC    = 0,
+
+    // execute it synchronously, i.e. wait until it finishes
+    wxEXEC_SYNC     = 1,
+
+    // under Windows, don't hide the child even if it's IO is redirected (this
+    // is done by default)
+    wxEXEC_NOHIDE   = 2,
+
+    // under Unix, if the process is the group leader then killing -pid kills
+    // all children as well as pid
+    wxEXEC_MAKE_GROUP_LEADER = 4
+};

 
 

-// Execute another program. Returns 0 if there was an error, a PID otherwise.
-long WXDLLEXPORT wxExecute(char **argv, bool sync = FALSE,
+// Execute another program.
+//
+// If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the
+// process if everything was ok. Otherwise (i.e. if wxEXEC_ASYNC), return 0 on
+// failure and the PID of the launched process if ok.
+WXDLLIMPEXP_BASE long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC,

                            wxProcess *process = (wxProcess *) NULL);
                            wxProcess *process = (wxProcess *) NULL);

-long WXDLLEXPORT wxExecute(const wxString& command, bool sync = FALSE,
+WXDLLIMPEXP_BASE long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,

                            wxProcess *process = (wxProcess *) NULL);
 
                            wxProcess *process = (wxProcess *) NULL);
 

-#define wxSIGTERM 1
+// execute the command capturing its output into an array line by line, this is
+// always synchronous
+WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
+                           wxArrayString& output);
+
+// also capture stderr (also synchronous)
+WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
+                           wxArrayString& output,
+                           wxArrayString& error);
+
+enum wxSignal
+{
+    wxSIGNONE = 0,  // verify if the process exists under Unix
+    wxSIGHUP,
+    wxSIGINT,
+    wxSIGQUIT,
+    wxSIGILL,
+    wxSIGTRAP,
+    wxSIGABRT,
+    wxSIGIOT = wxSIGABRT,   // another name
+    wxSIGEMT,
+    wxSIGFPE,
+    wxSIGKILL,
+    wxSIGBUS,
+    wxSIGSEGV,
+    wxSIGSYS,
+    wxSIGPIPE,
+    wxSIGALRM,
+    wxSIGTERM
+
+    // further signals are different in meaning between different Unix systems
+};
+
+enum wxKillError
+{
+    wxKILL_OK,              // no error
+    wxKILL_BAD_SIGNAL,      // no such signal
+    wxKILL_ACCESS_DENIED,   // permission denied
+    wxKILL_NO_PROCESS,      // no such process
+    wxKILL_ERROR            // another, unspecified error
+};
+
+enum wxShutdownFlags
+{
+    wxSHUTDOWN_POWEROFF,    // power off the computer
+    wxSHUTDOWN_REBOOT       // shutdown and reboot
+};
+
+// Shutdown or reboot the PC
+WXDLLIMPEXP_BASE bool wxShutdown(wxShutdownFlags wFlags);

 
 

-int WXDLLEXPORT wxKill(long pid, int sig=wxSIGTERM);
+// send the given signal to the process (only NONE and KILL are supported under
+// Windows, all others mean TERM), return 0 if ok and -1 on error
+//
+// return detailed error in rc if not NULL
+WXDLLIMPEXP_BASE int wxKill(long pid,
+                       wxSignal sig = wxSIGTERM,
+                       wxKillError *rc = NULL);

 
 

-// Execute a command in an interactive shell window
+// Execute a command in an interactive shell window (always synchronously)

 // If no command then just the shell
 // If no command then just the shell

-bool WXDLLEXPORT wxShell(const wxString& command = "");
+WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString);

 
 

-// Sleep for nSecs seconds under UNIX, do nothing under Windows
-void WXDLLEXPORT wxSleep(int nSecs);
+// As wxShell(), but must give a (non interactive) command and its output will
+// be returned in output array
+WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output);
+
+// Sleep for nSecs seconds
+WXDLLIMPEXP_BASE void wxSleep(int nSecs);
+
+// Sleep for a given amount of milliseconds
+WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds);
+
+// Get the process id of the current process
+WXDLLIMPEXP_BASE unsigned long wxGetProcessId();

 
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)

-long WXDLLEXPORT wxGetFreeMemory(void);
+WXDLLIMPEXP_BASE long wxGetFreeMemory();

 
 

-// Consume all events until no more left
-void WXDLLEXPORT wxFlushEvents(void);
+// should wxApp::OnFatalException() be called?
+WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = TRUE);
+
+// ----------------------------------------------------------------------------
+// Environment variables
+// ----------------------------------------------------------------------------
+
+// returns TRUE if variable exists (value may be NULL if you just want to check
+// for this)
+WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value);
+
+// set the env var name to the given value, return TRUE on success
+WXDLLIMPEXP_BASE bool wxSetEnv(const wxString& var, const wxChar *value);
+
+// remove the env var from environment
+inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); }

 
 

-/*
- * Network and username functions.
- *
- */
+// ----------------------------------------------------------------------------
+// Network and username functions.
+// ----------------------------------------------------------------------------
+
+// NB: "char *" functions are deprecated, use wxString ones!

 
 // Get eMail address
 
 // Get eMail address

-bool WXDLLEXPORT wxGetEmailAddress(char *buf, int maxSize);
+WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetEmailAddress();

 
 // Get hostname.
 
 // Get hostname.

-bool WXDLLEXPORT wxGetHostName(char *buf, int maxSize);
+WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetHostName();
+
+// Get FQDN
+WXDLLIMPEXP_BASE wxString wxGetFullHostName();
+WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize);

 
 

-// Get user ID e.g. jacs
-bool WXDLLEXPORT wxGetUserId(char *buf, int maxSize);
+// Get user ID e.g. jacs (this is known as login name under Unix)
+WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetUserId();

 
 // Get user name e.g. Julian Smart
 
 // Get user name e.g. Julian Smart

-bool WXDLLEXPORT wxGetUserName(char *buf, int maxSize);
+WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetUserName();

 
 

-/*
- * Strip out any menu codes
- */
-char* WXDLLEXPORT wxStripMenuCodes(char *in, char *out = (char *) NULL);
+// Get current Home dir and copy to dest (returns pstr->c_str())
+WXDLLIMPEXP_BASE wxString wxGetHomeDir();
+WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr);

 
 

-// Find the window/widget with the given title or label.
-// Pass a parent to begin the search from, or NULL to look through
-// all windows.
-wxWindow* WXDLLEXPORT wxFindWindowByLabel(const wxString& title, wxWindow *parent = (wxWindow *) NULL);
+// Get the user's home dir (caller must copy --- volatile)
+// returns NULL is no HOME dir is known
+#if defined(__UNIX__) && wxUSE_UNICODE
+WXDLLIMPEXP_BASE const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString);
+#else
+WXDLLIMPEXP_BASE wxChar* wxGetUserHome(const wxString& user = wxEmptyString);
+#endif

 
 

-// Find window by name, and if that fails, by label.
-wxWindow* WXDLLEXPORT wxFindWindowByName(const wxString& name, wxWindow *parent = (wxWindow *) NULL);
+// get number of total/free bytes on the disk where path belongs
+WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path,
+                                wxLongLong *pTotal = NULL,
+                                wxLongLong *pFree = NULL);

 
 

-// Returns menu item id or -1 if none.
-int WXDLLEXPORT wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
+#if wxUSE_GUI // GUI only things from now on

 
 

-// A debugging stream buffer.
-// Under Windows, this writes to the Windows debug output.
-// Under other platforms, it writes to cerr.
+// ----------------------------------------------------------------------------
+// Menu accelerators related things
+// ----------------------------------------------------------------------------

 
 

-// ALl this horrible gubbins required for Borland, because the calling
-// convention needs to be the same as for streambuf.
-// Thanks to Gerhard.Vogt@embl-heidelberg.de for this solution.
+WXDLLEXPORT wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = (wxChar *) NULL);
+WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str);

 
 

-#if defined(__BORLANDC__) && defined(__BCOPT__) && !defined(_RTL_ALLOW_po) && !defined(__FLAT__)
-#pragma option -po-
-#endif
+#if wxUSE_ACCEL
+class WXDLLEXPORT wxAcceleratorEntry;
+WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label);
+#endif // wxUSE_ACCEL

 
 

-// Can't export a class derived from a non-export class
-#if !defined(_WINDLL) && !defined(WXUSINGDLL)
+// ----------------------------------------------------------------------------
+// Window search
+// ----------------------------------------------------------------------------

 
 

-// #ifdef new
-// #undef new
-// #endif
+// Returns menu item id or -1 if none.
+WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);

 
 

-class WXDLLEXPORT wxDebugStreamBuf: public streambuf
-{
-  public:
-    wxDebugStreamBuf(void);
-    ~wxDebugStreamBuf(void) {}
+// Find the wxWindow at the given point. wxGenericFindWindowAtPoint
+// is always present but may be less reliable than a native version.
+WXDLLEXPORT wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt);
+WXDLLEXPORT wxWindow* wxFindWindowAtPoint(const wxPoint& pt);

 
 

-    int overflow(int i);
-    inline int underflow(void) { return EOF; }
-    int sync(void);
-};
+// NB: this function is obsolete, use wxWindow::FindWindowByLabel() instead
+//
+// Find the window/widget with the given title or label.
+// Pass a parent to begin the search from, or NULL to look through
+// all windows.
+WXDLLEXPORT wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = (wxWindow *) NULL);

 
 

-// #if WXDEBUG && wxUSE_GLOBAL_MEMORY_OPERATORS
-// #define new WXDEBUG_NEW
-// #endif
+// NB: this function is obsolete, use wxWindow::FindWindowByName() instead
+//
+// Find window by name, and if that fails, by label.
+WXDLLEXPORT wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = (wxWindow *) NULL);

 
 

-#endif
+// ----------------------------------------------------------------------------
+// Message/event queue helpers
+// ----------------------------------------------------------------------------

 
 

-#if defined(__BORLANDC__) && defined(__BCOPT__) && !defined(_RTL_ALLOW_po) && !defined(__FLAT__)
-#pragma option -po.
-#endif
+// Yield to other apps/messages and disable user input
+WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = FALSE);

 
 

-/*
-#if (!defined(__MINMAX_DEFINED) && !defined(max))
-#define max(a,b)            (((a) > (b)) ? (a) : (b))
-#define min(a,b)            (((a) < (b)) ? (a) : (b))
-#define __MINMAX_DEFINED 1
-#endif
-*/
-#define wxMax(a,b)            (((a) > (b)) ? (a) : (b))
-#define wxMin(a,b)            (((a) < (b)) ? (a) : (b))
+// Enable or disable input to all top level windows
+WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = TRUE);

 
 

-// Yield to other apps/messages
-bool WXDLLEXPORT wxYield(void);
+// Check whether this window wants to process messages, e.g. Stop button
+// in long calculations.
+WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd);

 
 

-// Format a message on the standard error (UNIX) or the debugging
-// stream (Windows)
-void WXDLLEXPORT wxDebugMsg(const char *fmt ...) ;
- 
-// Sound the bell
-void WXDLLEXPORT wxBell(void) ;
-  
-// Get OS version
-int WXDLLEXPORT wxGetOsVersion(int *majorVsn= (int *) NULL,int *minorVsn= (int *) NULL) ;
+// Consume all events until no more left
+WXDLLEXPORT void wxFlushEvents();
+
+// a class which disables all windows (except, may be, thegiven one) in its
+// ctor and enables them back in its dtor
+class WXDLLEXPORT wxWindowDisabler
+{
+public:
+    wxWindowDisabler(wxWindow *winToSkip = (wxWindow *)NULL);
+    ~wxWindowDisabler();
+
+private:
+    wxWindowList *m_winDisabled;
+
+    DECLARE_NO_COPY_CLASS(wxWindowDisabler)
+};
+
+// ----------------------------------------------------------------------------
+// Cursors
+// ----------------------------------------------------------------------------

 
 // Set the cursor to the busy cursor for all windows
 class WXDLLEXPORT wxCursor;
 WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR;
 
 // Set the cursor to the busy cursor for all windows
 class WXDLLEXPORT wxCursor;
 WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR;

-void WXDLLEXPORT wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR);
- 
+WXDLLEXPORT void wxBeginBusyCursor(wxCursor *cursor = wxHOURGLASS_CURSOR);
+

 // Restore cursor to normal
 // Restore cursor to normal

-void WXDLLEXPORT wxEndBusyCursor(void);
- 
-// TRUE if we're between the above two calls
-bool WXDLLEXPORT wxIsBusy(void);
+WXDLLEXPORT void wxEndBusyCursor();

 
 

-/* Error message functions used by wxWindows */
+// TRUE if we're between the above two calls
+WXDLLEXPORT bool wxIsBusy();

 
 

-// Non-fatal error (continues)
-WXDLLEXPORT_DATA(extern const char*) wxInternalErrorStr;
-void WXDLLEXPORT wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);
+// Convenience class so we can just create a wxBusyCursor object on the stack
+class WXDLLEXPORT wxBusyCursor
+{
+public:
+    wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR)
+        { wxBeginBusyCursor(cursor); }
+    ~wxBusyCursor()
+        { wxEndBusyCursor(); }
+
+    // FIXME: These two methods are currently only implemented (and needed?)
+    //        in wxGTK.  BusyCursor handling should probably be moved to
+    //        common code since the wxGTK and wxMSW implementations are very
+    //        similar except for wxMSW using HCURSOR directly instead of
+    //        wxCursor..  -- RL.
+    static const wxCursor &GetStoredCursor();
+    static const wxCursor GetBusyCursor();
+};

 
 

-// Fatal error (exits)
-WXDLLEXPORT_DATA(extern const char*) wxFatalErrorStr;
-void WXDLLEXPORT wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);

 
 

+// ----------------------------------------------------------------------------

 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 // Reading and writing resources (eg WIN.INI, .Xdefaults)

+// ----------------------------------------------------------------------------
+

 #if wxUSE_RESOURCES
 #if wxUSE_RESOURCES

-bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file = "");
-bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file = "");
-bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file = "");
-bool WXDLLEXPORT wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file = "");
-
-bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file = "");
-bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file = "");
-bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file = "");
-bool WXDLLEXPORT wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file = "");
+WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file = wxEmptyString);
+WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file = wxEmptyString);
+WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file = wxEmptyString);
+WXDLLEXPORT bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file = wxEmptyString);
+
+WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file = wxEmptyString);
+WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file = wxEmptyString);
+WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file = wxEmptyString);
+WXDLLEXPORT bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file = wxEmptyString);

 #endif // wxUSE_RESOURCES
 
 #endif // wxUSE_RESOURCES
 

-// Get current Home dir and copy to dest (returns pstr->c_str())
-const char* WXDLLEXPORT wxGetHomeDir(wxString *pstr);
-
-// Get the user's home dir (caller must copy--- volatile)
-// returns NULL is no HOME dir is known
-char* WXDLLEXPORT wxGetUserHome(const wxString& user = "");
-
-// Check whether this window wants to process messages, e.g. Stop button
-// in long calculations.
-bool WXDLLEXPORT wxCheckForInterrupt(wxWindow *wnd);
-

 void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 
 // MSW only: get user-defined resource from the .res file.
 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 #ifdef __WXMSW__
 void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 
 // MSW only: get user-defined resource from the .res file.
 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 #ifdef __WXMSW__

-extern const char* WXDLLEXPORT wxUserResourceStr;
-char* WXDLLEXPORT wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr);
+    WXDLLEXPORT extern const wxChar* wxUserResourceStr;
+    WXDLLEXPORT wxChar* wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr);
+#endif // MSW
+
+// ----------------------------------------------------------------------------
+// Display and colorss (X only)
+// ----------------------------------------------------------------------------
+
+#ifdef __WXGTK__
+    void *wxGetDisplay();

 #endif
 
 #endif
 

-// X only

 #ifdef __X__
 #ifdef __X__

-WXDisplay *wxGetDisplay();
-bool wxSetDisplay(const wxString& display_name);
-wxString wxGetDisplayName();
-#endif
+    WXDisplay *wxGetDisplay();
+    bool wxSetDisplay(const wxString& display_name);
+    wxString wxGetDisplayName();
+#endif // X or GTK+

 
 #ifdef __X__
 
 
 #ifdef __X__
 

-#include <X11/Xlib.h>
+#ifdef __VMS__ // Xlib.h for VMS is not (yet) compatible with C++
+               // The resulting warnings are switched off here
+#pragma message disable nosimpint
+#endif
+// #include <X11/Xlib.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+#endif //__X__

 
 

-#define wxMAX_RGB           0xff
-#define wxMAX_SV            1000
-#define wxSIGN(x)           ((x < 0) ? -x : x)
-#define wxH_WEIGHT          4
-#define wxS_WEIGHT          1
-#define wxV_WEIGHT          2
+#endif // wxUSE_GUI

 
 

-typedef struct wx_hsv {
-                        int h,s,v;
-                      } wxHSV;
- 
-#define wxMax3(x,y,z) ((x > y) ? ((x > z) ? x : z) : ((y > z) ? y : z))
-#define wxMin3(x,y,z) ((x < y) ? ((x < z) ? x : z) : ((y < z) ? y : z))
+// ----------------------------------------------------------------------------
+// wxYield(): these functions are obsolete, please use wxApp methods instead!
+// ----------------------------------------------------------------------------

 
 

-#define wxMax2(x,y)   ((x > y) ? x : y)
-#define wxMin2(x,y)   ((x < y) ? x : y)
+// Yield to other apps/messages
+WXDLLIMPEXP_BASE bool wxYield();

 
 

-void wxHSVToXColor(wxHSV *hsv,XColor *xcolor);
-void wxXColorToHSV(wxHSV *hsv,XColor *xcolor);
-void wxAllocNearestColor(Display *display,Colormap colormap,XColor *xcolor);
-void wxAllocColor(Display *display,Colormap colormap,XColor *xcolor);
+// Like wxYield, but fails silently if the yield is recursive.
+WXDLLIMPEXP_BASE bool wxYieldIfNeeded();

 
 

-#endif //__X__
+// ----------------------------------------------------------------------------
+// Error message functions used by wxWindows (deprecated, use wxLog)
+// ----------------------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_2
+
+// Format a message on the standard error (UNIX) or the debugging
+// stream (Windows)
+WXDLLIMPEXP_BASE void wxDebugMsg(const wxChar *fmt ...) ATTRIBUTE_PRINTF_1;
+
+// Non-fatal error (continues)
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxInternalErrorStr;
+WXDLLIMPEXP_BASE void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);
+
+// Fatal error (exits)
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxFatalErrorStr;
+WXDLLIMPEXP_BASE void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);
+
+#endif // WXWIN_COMPATIBILITY_2_2

 
 #endif
     // _WX_UTILSH__
 
 #endif
     // _WX_UTILSH__