added some trivial macros for exception handling

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

diff --git a/include/wx/utils.h b/include/wx/utils.h
index 076d32c6d706f580af6f9a498bfe0139a7a0fa0e..7dd95c8923cced54e063ebdf3257478ea348475f 100644 (file)
--- 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
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart

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

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


@@ -16,7 +16,14 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(__APPLE__)
+#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
 
     #pragma interface "utils.h"
 #endif
 


@@ -24,6 +31,8 @@
 #include "wx/list.h"
 #include "wx/filefn.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"
 // need this for wxGetDiskSpace() as we can't, unfortunately, forward declare
 // wxLongLong
 #include "wx/longlong.h"


@@ -39,11 +48,11 @@
 // Forward declaration
 // ----------------------------------------------------------------------------
 
 // Forward declaration
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxProcess;
-class WXDLLEXPORT wxFrame;
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxWindowList;
-class WXDLLEXPORT wxPoint;
+class WXDLLIMPEXP_BASE wxProcess;
+class WXDLLIMPEXP_BASE wxFrame;
+class WXDLLIMPEXP_BASE wxWindow;
+class WXDLLIMPEXP_BASE wxWindowList;
+class WXDLLIMPEXP_BASE wxPoint;

 
 // ----------------------------------------------------------------------------
 // Macros
 
 // ----------------------------------------------------------------------------
 // Macros


@@ -56,17 +65,10 @@ class WXDLLEXPORT wxPoint;
 // String functions (deprecated, use wxString)
 // ----------------------------------------------------------------------------
 
 // String functions (deprecated, use wxString)
 // ----------------------------------------------------------------------------
 

-// Useful buffer (FIXME VZ: To be removed!!!)
-// Now only needed in Mac and MSW ports
-#if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__) && !defined(__WXMGL__)
-WXDLLEXPORT_DATA(extern wxChar*) wxBuffer;
-#endif
-

 // Make a copy of this string using 'new'
 // 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(const wxChar *one, const 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))
 
 // A shorter way of using strcmp
 #define wxStringEq(s1, s2) (s1 && s2 && (wxStrcmp(s1, s2) == 0))


@@ -76,22 +78,22 @@ WXDLLEXPORT bool StringMatch(const wxChar *one, const wxChar *two, bool subStrin
 // ----------------------------------------------------------------------------
 
 // Sound the bell
 // ----------------------------------------------------------------------------
 
 // Sound the bell

-WXDLLEXPORT void wxBell();
+WXDLLIMPEXP_BASE void wxBell();

 
 // Get OS description as a user-readable string
 
 // Get OS description as a user-readable string

-WXDLLEXPORT wxString wxGetOsDescription();
+WXDLLIMPEXP_BASE wxString wxGetOsDescription();

 
 // Get OS version
 
 // Get OS version

-WXDLLEXPORT int wxGetOsVersion(int *majorVsn = (int *) NULL,
+WXDLLIMPEXP_BASE int wxGetOsVersion(int *majorVsn = (int *) NULL,

                                int *minorVsn = (int *) NULL);
 
 // Return a string with the current date/time
                                int *minorVsn = (int *) NULL);
 
 // Return a string with the current date/time

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

 
 // Return path where wxWindows is installed (mostly useful in Unices)
 
 // Return path where wxWindows is installed (mostly useful in Unices)

-WXDLLEXPORT const wxChar *wxGetInstallPrefix();
+WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix();

 // Return path to wxWin data (/usr/share/wx/%{version}) (Unices)
 // Return path to wxWin data (/usr/share/wx/%{version}) (Unices)

-WXDLLEXPORT wxString wxGetDataDir();
+WXDLLIMPEXP_BASE wxString wxGetDataDir();

 
 
 #if wxUSE_GUI
 
 
 #if wxUSE_GUI


@@ -106,15 +108,9 @@ WXDLLEXPORT bool wxSetDetectableAutoRepeat( bool flag );
 
 // Generate a unique ID
 WXDLLEXPORT long wxNewId();
 
 // 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);
 
 // 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();
 
 // Return the current ID
 WXDLLEXPORT long wxGetCurrentId();


@@ -125,24 +121,29 @@ WXDLLEXPORT long wxGetCurrentId();
 // Various conversions
 // ----------------------------------------------------------------------------
 
 // 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
+
+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);

 
 

-WXDLLEXPORT void StringToFloat(const wxChar *s, float *number);
-WXDLLEXPORT wxChar* FloatToString(float number, const wxChar *fmt = wxFloatToStringStr);
-WXDLLEXPORT void StringToDouble(const wxChar *s, double *number);
-WXDLLEXPORT wxChar* DoubleToString(double number, const wxChar *fmt = wxDoubleToStringStr);
-WXDLLEXPORT void StringToInt(const wxChar *s, int *number);
-WXDLLEXPORT void StringToLong(const wxChar *s, long *number);
-WXDLLEXPORT wxChar* IntToString(int number);
-WXDLLEXPORT wxChar* LongToString(long number);
+#endif // WXWIN_COMPATIBILITY_2_4

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


@@ -173,18 +174,18 @@ enum
 // 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.
 // 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.

-WXDLLEXPORT long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC,
+WXDLLIMPEXP_BASE long wxExecute(wxChar **argv, int flags = wxEXEC_ASYNC,

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

-WXDLLEXPORT long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,
+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
                            wxProcess *process = (wxProcess *) NULL);
 
 // execute the command capturing its output into an array line by line, this is
 // always synchronous

-WXDLLEXPORT long wxExecute(const wxString& command,
+WXDLLIMPEXP_BASE long wxExecute(const wxString& command,

                            wxArrayString& output);
 
 // also capture stderr (also synchronous)
                            wxArrayString& output);
 
 // also capture stderr (also synchronous)

-WXDLLEXPORT long wxExecute(const wxString& command,
+WXDLLIMPEXP_BASE long wxExecute(const wxString& command,

                            wxArrayString& output,
                            wxArrayString& error);
 
                            wxArrayString& output,
                            wxArrayString& error);
 


@@ -227,38 +228,38 @@ enum wxShutdownFlags
 };
 
 // Shutdown or reboot the PC
 };
 
 // Shutdown or reboot the PC

-WXDLLEXPORT bool wxShutdown(wxShutdownFlags wFlags);
+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
 
 // 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

-WXDLLEXPORT int wxKill(long pid,
+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
                        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
 
 // As wxShell(), but must give a (non interactive) command and its output will
 // be returned in output array

-WXDLLEXPORT bool wxShell(const wxString& command, wxArrayString& output);
+WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output);

 
 // Sleep for nSecs seconds
 
 // Sleep for nSecs seconds

-WXDLLEXPORT void wxSleep(int nSecs);
+WXDLLIMPEXP_BASE void wxSleep(int nSecs);

 
 // Sleep for a given amount of milliseconds
 
 // 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
 
 // Get the process id of the current process

-WXDLLEXPORT unsigned long wxGetProcessId();
+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)

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

 
 // should wxApp::OnFatalException() be called?
 
 // should wxApp::OnFatalException() be called?

-WXDLLEXPORT bool wxHandleFatalExceptions(bool doit = TRUE);
+WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = TRUE);

 
 // ----------------------------------------------------------------------------
 // Environment variables
 
 // ----------------------------------------------------------------------------
 // Environment variables


@@ -266,10 +267,10 @@ WXDLLEXPORT bool wxHandleFatalExceptions(bool doit = TRUE);
 
 // returns TRUE if variable exists (value may be NULL if you just want to check
 // for this)
 
 // returns TRUE if variable exists (value may be NULL if you just want to check
 // for this)

-WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value);
+WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value);

 
 // set the env var name to the given value, return TRUE on success
 
 // set the env var name to the given value, return TRUE on success

-WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value);
+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); }
 
 // remove the env var from environment
 inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); }


@@ -281,39 +282,39 @@ inline bool wxUnsetEnv(const wxString& var) { return wxSetEnv(var, NULL); }
 // NB: "char *" functions are deprecated, use wxString ones!
 
 // Get eMail address
 // 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.
 
 // 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
 
 // 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)
 
 // 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
 
 // 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())
 
 // Get current Home dir and copy to dest (returns pstr->c_str())

-WXDLLEXPORT wxString wxGetHomeDir();
-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
 
 // 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
 #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
 #endif
 
 // get number of total/free bytes on the disk where path belongs

-WXDLLEXPORT bool wxGetDiskSpace(const wxString& path,
+WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path,

                                 wxLongLong *pTotal = NULL,
                                 wxLongLong *pFree = NULL);
 
                                 wxLongLong *pTotal = NULL,
                                 wxLongLong *pFree = NULL);
 


@@ -359,16 +360,8 @@ WXDLLEXPORT wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent
 // Message/event queue helpers
 // ----------------------------------------------------------------------------
 
 // Message/event queue helpers
 // ----------------------------------------------------------------------------
 

-// NB: these functions are obsolete, please use wxApp methods instead!
-
-// Yield to other apps/messages
-WXDLLEXPORT bool wxYield();
-
-// Like wxYield, but fails silently if the yield is recursive.
-WXDLLEXPORT bool wxYieldIfNeeded();
-

 // Yield to other apps/messages and disable user input
 // 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);
 
 // Enable or disable input to all top level windows
 WXDLLEXPORT void wxEnableTopLevelWindows(bool enable = TRUE);


@@ -482,6 +475,16 @@ void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 
 #endif // wxUSE_GUI
 
 
 #endif // wxUSE_GUI
 

+// ----------------------------------------------------------------------------
+// wxYield(): these functions are obsolete, please use wxApp methods instead!
+// ----------------------------------------------------------------------------
+
+// Yield to other apps/messages
+WXDLLIMPEXP_BASE bool wxYield();
+
+// Like wxYield, but fails silently if the yield is recursive.
+WXDLLIMPEXP_BASE bool wxYieldIfNeeded();
+

 // ----------------------------------------------------------------------------
 // Error message functions used by wxWindows (deprecated, use wxLog)
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // Error message functions used by wxWindows (deprecated, use wxLog)
 // ----------------------------------------------------------------------------


@@ -490,15 +493,15 @@ void WXDLLEXPORT wxGetMousePosition( int* x, int* y );
 
 // Format a message on the standard error (UNIX) or the debugging
 // stream (Windows)
 
 // Format a message on the standard error (UNIX) or the debugging
 // stream (Windows)

-WXDLLEXPORT void wxDebugMsg(const wxChar *fmt ...) ATTRIBUTE_PRINTF_1;
+WXDLLIMPEXP_BASE void wxDebugMsg(const wxChar *fmt ...) ATTRIBUTE_PRINTF_1;

 
 // Non-fatal error (continues)
 
 // Non-fatal error (continues)

-WXDLLEXPORT_DATA(extern const wxChar*) wxInternalErrorStr;
-WXDLLEXPORT void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxInternalErrorStr;
+WXDLLIMPEXP_BASE void wxError(const wxString& msg, const wxString& title = wxInternalErrorStr);

 
 // Fatal error (exits)
 
 // Fatal error (exits)

-WXDLLEXPORT_DATA(extern const wxChar*) wxFatalErrorStr;
-WXDLLEXPORT void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);
+WXDLLIMPEXP_DATA_BASE(extern const wxChar*) wxFatalErrorStr;
+WXDLLIMPEXP_BASE void wxFatalError(const wxString& msg, const wxString& title = wxFatalErrorStr);

 
 #endif // WXWIN_COMPATIBILITY_2_2
 
 
 #endif // WXWIN_COMPATIBILITY_2_2