X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..1ab608ee00f21fa3164e1838395783a86fac82d7:/include/wx/utils.h

diff --git a/include/wx/utils.h b/include/wx/utils.h
index 9e964e7a3d..15684985fb 100644
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -6,7 +6,7 @@
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_UTILSH__
@@ -16,15 +16,27 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#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
 
-#include "wx/setup.h"
 #include "wx/object.h"
 #include "wx/list.h"
 #include "wx/filefn.h"
 
+class WXDLLIMPEXP_BASE wxArrayString;
+
+// need this for wxGetDiskSpace() as we can't, unfortunately, forward declare
+// wxLongLong
+#include "wx/longlong.h"
+
 #ifdef __X__
     #include <dirent.h>
     #include <unistd.h>
@@ -36,15 +48,11 @@
 // Forward declaration
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxProcess;
-class WXDLLEXPORT wxFrame;
-class WXDLLEXPORT wxWindow;
-
-// FIXME should use wxStricmp() instead
-#if defined(__GNUWIN32__)
-    #define stricmp strcasecmp
-    #define strnicmp strncasecmp
-#endif
+class WXDLLIMPEXP_BASE wxProcess;
+class WXDLLIMPEXP_BASE wxFrame;
+class WXDLLIMPEXP_BASE wxWindow;
+class WXDLLIMPEXP_BASE wxWindowList;
+class WXDLLIMPEXP_BASE wxPoint;
 
 // ----------------------------------------------------------------------------
 // Macros
@@ -57,14 +65,10 @@ class WXDLLEXPORT wxWindow;
 // String functions (deprecated, use wxString)
 // ----------------------------------------------------------------------------
 
-// Useful buffer (FIXME VZ: yeah, that is. To be removed!)
-WXDLLEXPORT_DATA(extern wxChar*) wxBuffer;
-
 // Make a copy of this string using 'new'
-WXDLLEXPORT wxChar* copystring(const wxChar *s);
-
-// Matches string one within string two regardless of case
-WXDLLEXPORT bool StringMatch(wxChar *one, wxChar *two, bool subString = TRUE, bool exact = FALSE);
+#if WXWIN_COMPATIBILITY_2_4
+WXDLLIMPEXP_BASE wxChar* copystring(const wxChar *s);
+#endif
 
 // A shorter way of using strcmp
 #define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0))
@@ -74,15 +78,32 @@ WXDLLEXPORT bool StringMatch(wxChar *one, wxChar *two, bool subString = TRUE, bo
 // ----------------------------------------------------------------------------
 
 // Sound the bell
-WXDLLEXPORT void wxBell();
+WXDLLIMPEXP_BASE void wxBell();
+
+// Get OS description as a user-readable string
+WXDLLIMPEXP_BASE wxString wxGetOsDescription();
 
 // Get OS version
-WXDLLEXPORT int wxGetOsVersion(int *majorVsn= (int *) NULL,int *minorVsn= (int *) NULL) ;
+WXDLLIMPEXP_BASE int wxGetOsVersion(int *majorVsn = (int *) NULL,
+                               int *minorVsn = (int *) NULL);
 
 // Return a string with the current date/time
-WXDLLEXPORT wxString wxNow();
+WXDLLIMPEXP_BASE wxString wxNow();
+
+// Return path where wxWidgets 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
+
+// Get the state of a key (true if pressed, false if not)
+// This is generally most useful getting the state of
+// the modifier or toggle keys.
+WXDLLEXPORT bool wxGetKeyState(wxKeyCode key);
+
+
 // Don't synthesize KeyUp events holding down a key and producing
 // KeyDown events with autorepeat. On by default and always on
 // in wxMSW.
@@ -94,15 +115,9 @@ WXDLLEXPORT bool wxSetDetectableAutoRepeat( bool flag );
 
 // Generate a unique ID
 WXDLLEXPORT long wxNewId();
-#if !defined(NewId) && defined(WXWIN_COMPATIBILITY)
-    #define NewId wxNewId
-#endif
 
 // Ensure subsequent IDs don't clash with this one
 WXDLLEXPORT void wxRegisterId(long id);
-#if !defined(RegisterId) && defined(WXWIN_COMPATIBILITY)
-    #define RegisterId wxRegisterId
-#endif
 
 // Return the current ID
 WXDLLEXPORT long wxGetCurrentId();
@@ -113,35 +128,74 @@ WXDLLEXPORT long wxGetCurrentId();
 // Various conversions
 // ----------------------------------------------------------------------------
 
-WXDLLEXPORT_DATA(extern const wxChar*) wxFloatToStringStr;
-WXDLLEXPORT_DATA(extern const wxChar*) wxDoubleToStringStr;
+// these functions are deprecated, use wxString methods instead!
+#if WXWIN_COMPATIBILITY_2_4
 
-WXDLLEXPORT void StringToFloat(wxChar *s, float *number);
-WXDLLEXPORT wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr);
-WXDLLEXPORT void StringToDouble(wxChar *s, double *number);
-WXDLLEXPORT wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr);
-WXDLLEXPORT void StringToInt(wxChar *s, int *number);
-WXDLLEXPORT void StringToLong(wxChar *s, long *number);
-WXDLLEXPORT wxChar* IntToString(int number);
-WXDLLEXPORT wxChar* LongToString(long number);
+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
-WXDLLEXPORT int wxHexToDec(const wxString& buf);
+WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf);
 
 // Convert decimal integer to 2-character hex string
-WXDLLEXPORT void wxDecToHex(int dec, wxChar *buf);
-WXDLLEXPORT wxString wxDecToHex(int dec);
+WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf);
+WXDLLIMPEXP_BASE wxString wxDecToHex(int dec);
 
 // ----------------------------------------------------------------------------
 // Process management
 // ----------------------------------------------------------------------------
 
-// Execute another program. Returns 0 if there was an error, a PID otherwise.
-WXDLLEXPORT long wxExecute(wxChar **argv, bool sync = FALSE,
+// 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.
+//
+// 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);
-WXDLLEXPORT long wxExecute(const wxString& command, bool sync = FALSE,
+WXDLLIMPEXP_BASE long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,
                            wxProcess *process = (wxProcess *) NULL);
 
+// 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
@@ -165,21 +219,68 @@ enum wxSignal
     // further signals are different in meaning between different Unix systems
 };
 
-// the argument is ignored under Windows - the process is always killed
-WXDLLEXPORT int wxKill(long pid, wxSignal sig = wxSIGTERM);
+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
+};
 
-// Execute a command in an interactive shell window
+enum wxShutdownFlags
+{
+    wxSHUTDOWN_POWEROFF,    // power off the computer
+    wxSHUTDOWN_REBOOT       // shutdown and reboot
+};
+
+// Shutdown or reboot the PC
+WXDLLIMPEXP_BASE bool wxShutdown(wxShutdownFlags wFlags);
+
+// 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 (always synchronously)
 // If no command then just the shell
-WXDLLEXPORT bool wxShell(const wxString& command = wxEmptyString);
+WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString);
+
+// 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 under UNIX, do nothing under Windows
-WXDLLEXPORT void wxSleep(int nSecs);
+// Sleep for nSecs seconds
+WXDLLIMPEXP_BASE void wxSleep(int nSecs);
 
 // Sleep for a given amount of milliseconds
-WXDLLEXPORT void wxUsleep(unsigned long 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)
-WXDLLEXPORT long wxGetFreeMemory();
+WXDLLIMPEXP_BASE long wxGetFreeMemory();
+
+// 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.
@@ -188,69 +289,86 @@ WXDLLEXPORT long wxGetFreeMemory();
 // NB: "char *" functions are deprecated, use wxString ones!
 
 // Get eMail address
-WXDLLEXPORT bool wxGetEmailAddress(wxChar *buf, int maxSize);
-WXDLLEXPORT wxString wxGetEmailAddress();
+WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetEmailAddress();
 
 // Get hostname.
-WXDLLEXPORT bool wxGetHostName(wxChar *buf, int maxSize);
-WXDLLEXPORT wxString wxGetHostName();
+WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetHostName();
 
 // Get FQDN
-WXDLLEXPORT wxString wxGetFullHostName();
-WXDLLEXPORT bool wxGetFullHostName(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetFullHostName();
+WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize);
 
 // Get user ID e.g. jacs (this is known as login name under Unix)
-WXDLLEXPORT bool wxGetUserId(wxChar *buf, int maxSize);
-WXDLLEXPORT wxString wxGetUserId();
+WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetUserId();
 
 // Get user name e.g. Julian Smart
-WXDLLEXPORT bool wxGetUserName(wxChar *buf, int maxSize);
-WXDLLEXPORT wxString wxGetUserName();
+WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize);
+WXDLLIMPEXP_BASE wxString wxGetUserName();
 
 // Get current Home dir and copy to dest (returns pstr->c_str())
-WXDLLEXPORT const wxChar* wxGetHomeDir(wxString *pstr);
+WXDLLIMPEXP_BASE wxString wxGetHomeDir();
+WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr);
 
 // Get the user's home dir (caller must copy --- volatile)
 // returns NULL is no HOME dir is known
 #if defined(__UNIX__) && wxUSE_UNICODE
-WXDLLEXPORT const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString);
+WXDLLIMPEXP_BASE const wxMB2WXbuf wxGetUserHome(const wxString& user = wxEmptyString);
 #else
-WXDLLEXPORT wxChar* wxGetUserHome(const wxString& user = wxEmptyString);
+WXDLLIMPEXP_BASE wxChar* wxGetUserHome(const wxString& user = wxEmptyString);
 #endif
 
+// 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);
+
 #if wxUSE_GUI // GUI only things from now on
 
 // ----------------------------------------------------------------------------
-// Strip out any menu codes
+// Menu accelerators related things
 // ----------------------------------------------------------------------------
 
-WXDLLEXPORT wxChar* wxStripMenuCodes(wxChar *in, wxChar *out = (wxChar *) NULL);
+WXDLLEXPORT wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = (wxChar *) NULL);
 WXDLLEXPORT wxString wxStripMenuCodes(const wxString& str);
 
+#if wxUSE_ACCEL
+class WXDLLEXPORT wxAcceleratorEntry;
+WXDLLEXPORT wxAcceleratorEntry *wxGetAccelFromString(const wxString& label);
+#endif // wxUSE_ACCEL
+
 // ----------------------------------------------------------------------------
 // Window search
 // ----------------------------------------------------------------------------
 
+// Returns menu item id or -1 if none.
+WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
+
+// 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);
+
+// 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);
 
+// 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);
 
-// Returns menu item id or -1 if none.
-WXDLLEXPORT int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
-
 // ----------------------------------------------------------------------------
 // Message/event queue helpers
 // ----------------------------------------------------------------------------
 
-// Yield to other apps/messages
-WXDLLEXPORT bool wxYield();
-
 // Yield to other apps/messages and disable user input
-WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL);
+WXDLLEXPORT bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = FALSE);
 
 // Enable or disable input to all top level windows
 WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = TRUE);
@@ -262,6 +380,20 @@ WXDLLEXPORT bool wxCheckForInterrupt(wxWindow *wnd);
 // 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
 // ----------------------------------------------------------------------------
@@ -283,25 +415,18 @@ class WXDLLEXPORT wxBusyCursor
 public:
     wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR)
         { wxBeginBusyCursor(cursor); }
-   ~wxBusyCursor()
+    ~wxBusyCursor()
         { wxEndBusyCursor(); }
-};
 
-// ----------------------------------------------------------------------------
-// Error message functions used by wxWindows (deprecated, use wxLog)
-// ----------------------------------------------------------------------------
-
-// Format a message on the standard error (UNIX) or the debugging
-// stream (Windows)
-WXDLLEXPORT void wxDebugMsg(const wxChar *fmt ...) ;
-
-// Non-fatal error (continues)
-WXDLLEXPORT_DATA(extern const wxChar*) wxInternalErrorStr;
-WXDLLEXPORT void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);
+    // 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 wxChar*) wxFatalErrorStr;
-WXDLLEXPORT void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);
 
 // ----------------------------------------------------------------------------
 // Reading and writing resources (eg WIN.INI, .Xdefaults)
@@ -324,76 +449,68 @@ 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__
-WXDLLEXPORT extern const wxChar* wxUserResourceStr;
-WXDLLEXPORT wxChar* wxLoadUserResource(const wxString& resourceName, const wxString& resourceType = wxUserResourceStr);
-
-// Implemented in utils.cpp: VC++, Win95 only. Sets up a console for standard
-// input/output
-WXDLLEXPORT void wxRedirectIOToConsole();
-
+    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
+
 #ifdef __X__
     WXDisplay *wxGetDisplay();
     bool wxSetDisplay(const wxString& display_name);
     wxString wxGetDisplayName();
-#endif
+#endif // X or GTK+
 
 #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
 
-#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 //__X__
 
-typedef struct wx_hsv {
-                        int h,s,v;
-                      } wxHSV;
+#endif // wxUSE_GUI
 
-#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!
+// ----------------------------------------------------------------------------
 
-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);
+// Yield to other apps/messages
+WXDLLIMPEXP_BASE bool wxYield();
 
-#endif //__X__
+// Like wxYield, but fails silently if the yield is recursive.
+WXDLLIMPEXP_BASE bool wxYieldIfNeeded();
 
 // ----------------------------------------------------------------------------
-// font-related functions (X and GTK)
+// Error message functions used by wxWidgets (deprecated, use wxLog)
 // ----------------------------------------------------------------------------
 
-#if defined(__X__) || defined(__WXGTK__)
+#if WXWIN_COMPATIBILITY_2_2
 
-#ifdef __X__
-    typedef XFontStruct *wxNativeFont;
-#else // GDK
-    typedef GdkFont *wxNativeFont;
-#endif
+// Format a message on the standard error (UNIX) or the debugging
+// stream (Windows)
+WXDLLIMPEXP_BASE void wxDebugMsg(const wxChar *fmt ...) ATTRIBUTE_PRINTF_1;
 
-#include "wx/font.h"    // for wxFontEncoding
-    
-// returns the handle of the nearest available font or 0
-extern wxNativeFont wxLoadQueryNearestFont(int pointSize,
-                                           int family,
-                                           int style,
-                                           int weight,
-                                           bool underlined,
-                                           const wxString &facename,
-                                           wxFontEncoding encoding);
+// Non-fatal error (continues)
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxInternalErrorStr;
+WXDLLIMPEXP_BASE void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);
 
-#endif // X || GTK
+// Fatal error (exits)
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxFatalErrorStr;
+WXDLLIMPEXP_BASE void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);
 
-#endif // wxUSE_GUI
+#endif // WXWIN_COMPATIBILITY_2_2
 
 #endif
     // _WX_UTILSH__