X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fd7718b28c13d8fa4643bada1da1d9c839e2d8e7..e4277538a535d6d6c049f0b0ead9ed2b07cd93f2:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index 7c8c0eadbe..29c3464b30 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -1,36 +1,42 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: log.h +// Name: wx/log.h // Purpose: Assorted wxLogXXX functions, and wxLog (sink for logs) // Author: Vadim Zeitlin // Modified by: // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef _WX_LOG_H_ -#define _WX_LOG_H_ +#ifndef _WX_LOG_H_ +#define _WX_LOG_H_ -#ifdef __GNUG__ - #pragma interface "log.h" -#endif - -#include "wx/setup.h" -#include "wx/string.h" +#include "wx/defs.h" // ---------------------------------------------------------------------------- -// forward declarations +// common constants for use in wxUSE_LOG/!wxUSE_LOG // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTextCtrl; -class WXDLLEXPORT wxLogFrame; -class WXDLLEXPORT wxFrame; +// the trace masks have been superceded by symbolic trace constants, they're +// for compatibility only andwill be removed soon - do NOT use them + +// meaning of different bits of the trace mask (which allows selectively +// enable/disable some trace messages) +#define wxTraceMemAlloc 0x0001 // trace memory allocation (new/delete) +#define wxTraceMessages 0x0002 // trace window messages/X callbacks +#define wxTraceResAlloc 0x0004 // trace GDI resource allocation +#define wxTraceRefCount 0x0008 // trace various ref counting operations + +#ifdef __WXMSW__ + #define wxTraceOleCalls 0x0100 // OLE interface calls +#endif // ---------------------------------------------------------------------------- // types // ---------------------------------------------------------------------------- +// NB: these types are needed even if wxUSE_LOG == 0 typedef unsigned long wxTraceMask; typedef unsigned long wxLogLevel; @@ -38,12 +44,37 @@ typedef unsigned long wxLogLevel; // headers // ---------------------------------------------------------------------------- +#include "wx/string.h" + #if wxUSE_LOG -#include // for time_t +#include "wx/arrstr.h" + +#ifndef __WXWINCE__ + #include // for time_t +#endif #include "wx/dynarray.h" +#ifndef wxUSE_LOG_DEBUG +# ifdef __WXDEBUG__ +# define wxUSE_LOG_DEBUG 1 +# else // !__WXDEBUG__ +# define wxUSE_LOG_DEBUG 0 +# endif +#endif + +// ---------------------------------------------------------------------------- +// forward declarations +// ---------------------------------------------------------------------------- + +#if wxUSE_GUI + class WXDLLIMPEXP_CORE wxTextCtrl; + class WXDLLIMPEXP_CORE wxLogFrame; + class WXDLLIMPEXP_CORE wxFrame; + class WXDLLIMPEXP_CORE wxWindow; +#endif // wxUSE_GUI + // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -55,12 +86,13 @@ enum wxLOG_Error, // a serious error, user must be informed about it wxLOG_Warning, // user is normally informed about it but may be ignored wxLOG_Message, // normal message (i.e. normal output of a non GUI app) - wxLOG_Info, // informational message (a.k.a. 'Verbose') wxLOG_Status, // informational: might go to the status line of GUI app + wxLOG_Info, // informational message (a.k.a. 'Verbose') wxLOG_Debug, // never shown to the user, disabled in release mode wxLOG_Trace, // trace messages are also only enabled in debug mode wxLOG_Progress, // used for progress indicator (not yet) - wxLOG_User = 100 // user defined levels start here + wxLOG_User = 100, // user defined levels start here + wxLOG_Max = 10000 }; // symbolic trace masks - wxLogTrace("foo", "some trace message...") will be @@ -76,45 +108,41 @@ enum #define wxTRACE_OleCalls wxT("ole") // OLE interface calls #endif -// the trace masks have been superceded by symbolic trace constants, they're -// for compatibility only andwill be removed soon - do NOT use them - -// meaning of different bits of the trace mask (which allows selectively -// enable/disable some trace messages) -#define wxTraceMemAlloc 0x0001 // trace memory allocation (new/delete) -#define wxTraceMessages 0x0002 // trace window messages/X callbacks -#define wxTraceResAlloc 0x0004 // trace GDI resource allocation -#define wxTraceRefCount 0x0008 // trace various ref counting operations - -#ifdef __WXMSW__ - #define wxTraceOleCalls 0x0100 // OLE interface calls -#endif - -#include "wx/ioswrap.h" +#include "wx/iosfwrap.h" // ---------------------------------------------------------------------------- // derive from this class to redirect (or suppress, or ...) log messages // normally, only a single instance of this class exists but it's not enforced // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxLog +class WXDLLIMPEXP_BASE wxLog { public: // ctor - wxLog(); + wxLog(){} + + // Internal buffer. + + // Allow replacement of the fixed size static buffer with + // a user allocated one. Pass in NULL to restore the + // built in static buffer. + static wxChar *SetLogBuffer( wxChar *buf, size_t size = 0 ); // these functions allow to completely disable all log messages - // is logging disabled now? + + // is logging disabled now? static bool IsEnabled() { return ms_doLog; } - // change the flag state, return the previous one - static bool EnableLogging(bool doIt = TRUE) - { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } + + // change the flag state, return the previous one + static bool EnableLogging(bool doIt = true) + { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } // static sink function - see DoLog() for function to overload in the // derived classes static void OnLog(wxLogLevel level, const wxChar *szString, time_t t) { - if ( IsEnabled() ) { + if ( IsEnabled() && ms_logLevel >= level ) + { wxLog *pLogger = GetActiveTarget(); if ( pLogger ) pLogger->DoLog(level, szString, t); @@ -122,90 +150,113 @@ public: } // message buffering - // flush shows all messages if they're not logged immediately (FILE - // and iostream logs don't need it, but wxGuiLog does to avoid showing - // 17 modal dialogs one after another) + + // flush shows all messages if they're not logged immediately (FILE + // and iostream logs don't need it, but wxGuiLog does to avoid showing + // 17 modal dialogs one after another) virtual void Flush(); - // call to Flush() may be optimized: call it only if this function - // returns true (although Flush() also returns immediately if there is - // no messages, this functions is more efficient because inline) - bool HasPendingMessages() const { return m_bHasMessages; } - // only one sink is active at each moment - // flush the active target if any + // flush the active target if any static void FlushActive() { if ( !ms_suspendCount ) { wxLog *log = GetActiveTarget(); - if ( log && log->HasPendingMessages() ) + if ( log ) log->Flush(); } } - // get current log target, will call wxApp::CreateLogTarget() to - // create one if none exists + + // only one sink is active at each moment + // get current log target, will call wxApp::CreateLogTarget() to + // create one if none exists static wxLog *GetActiveTarget(); - // change log target, pLogger may be NULL + + // change log target, pLogger may be NULL static wxLog *SetActiveTarget(wxLog *pLogger); - // suspend the message flushing of the main target until the next call - // to Resume() - this is mainly for internal use (to prevent wxYield() - // from flashing the messages) + // suspend the message flushing of the main target until the next call + // to Resume() - this is mainly for internal use (to prevent wxYield() + // from flashing the messages) static void Suspend() { ms_suspendCount++; } - // must be called for each Suspend()! + + // must be called for each Suspend()! static void Resume() { ms_suspendCount--; } // functions controlling the default wxLog behaviour - // verbose mode is activated by standard command-line '-verbose' - // option - static void SetVerbose(bool bVerbose = TRUE) { ms_bVerbose = bVerbose; } - // should GetActiveTarget() try to create a new log object if the - // current is NULL? + // verbose mode is activated by standard command-line '-verbose' + // option + static void SetVerbose(bool bVerbose = true) { ms_bVerbose = bVerbose; } + + // Set log level. Log messages with level > logLevel will not be logged. + static void SetLogLevel(wxLogLevel logLevel) { ms_logLevel = logLevel; } + + // should GetActiveTarget() try to create a new log object if the + // current is NULL? static void DontCreateOnDemand(); - // trace mask (see wxTraceXXX constants for details) + // trace mask (see wxTraceXXX constants for details) static void SetTraceMask(wxTraceMask ulMask) { ms_ulTraceMask = ulMask; } - // add string trace mask - static void AddTraceMask(const wxString& str) { ms_aTraceMasks.Add(str); } - // add string trace mask + + // add string trace mask + static void AddTraceMask(const wxString& str) + { ms_aTraceMasks.push_back(str); } + + // add string trace mask static void RemoveTraceMask(const wxString& str); - // remove all string trace masks + + // remove all string trace masks static void ClearTraceMasks(); - // sets the timestamp string: this is used as strftime() format string - // for the log targets which add time stamps to the messages - set it - // to NULL to disable time stamping completely. + // get string trace masks + static const wxArrayString &GetTraceMasks() { return ms_aTraceMasks; } + + // sets the timestamp string: this is used as strftime() format string + // for the log targets which add time stamps to the messages - set it + // to NULL to disable time stamping completely. static void SetTimestamp(const wxChar *ts) { ms_timestamp = ts; } + // accessors - // gets the verbose status + + // gets the verbose status static bool GetVerbose() { return ms_bVerbose; } - // get trace mask + + // get trace mask static wxTraceMask GetTraceMask() { return ms_ulTraceMask; } - // is this trace mask in the list? - static bool IsAllowedTraceMask(const wxChar *mask) - { return ms_aTraceMasks.Index(mask) != wxNOT_FOUND; } - // get the current timestamp format string (may be NULL) + // is this trace mask in the list? + static bool IsAllowedTraceMask(const wxChar *mask); + + // return the current loglevel limit + static wxLogLevel GetLogLevel() { return ms_logLevel; } + + // get the current timestamp format string (may be NULL) static const wxChar *GetTimestamp() { return ms_timestamp; } + // helpers - // put the time stamp into the string if ms_timestamp != NULL (don't - // change it otherwise) + + // put the time stamp into the string if ms_timestamp != NULL (don't + // change it otherwise) static void TimeStamp(wxString *str); // make dtor virtual for all derived classes virtual ~wxLog() { } -protected: - bool m_bHasMessages; // any messages in the queue? + // this method exists for backwards compatibility only, don't use + bool HasPendingMessages() const { return true; } + +protected: // the logging functions that can be overriden - // default DoLog() prepends the time stamp and a prefix corresponding - // to the message to szString and then passes it to DoLogString() + + // default DoLog() prepends the time stamp and a prefix corresponding + // to the message to szString and then passes it to DoLogString() virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); - // default DoLogString does nothing but is not pure virtual because if - // you override DoLog() you might not need it at all + + // default DoLogString does nothing but is not pure virtual because if + // you override DoLog() you might not need it at all virtual void DoLogString(const wxChar *szString, time_t t); private: @@ -213,9 +264,11 @@ private: // ---------------- static wxLog *ms_pLogger; // currently active log sink - static bool ms_doLog; // FALSE => all logging disabled + static bool ms_doLog; // false => all logging disabled static bool ms_bAutoCreate; // create new log targets on demand? - static bool ms_bVerbose; // FALSE => ignore LogInfo messages + static bool ms_bVerbose; // false => ignore LogInfo messages + + static wxLogLevel ms_logLevel; // limit logging to levels <= ms_logLevel static size_t ms_suspendCount; // if positive, logs are not flushed @@ -231,23 +284,50 @@ private: // "trivial" derivations of wxLog // ---------------------------------------------------------------------------- +// log everything to a buffer +class WXDLLIMPEXP_BASE wxLogBuffer : public wxLog +{ +public: + wxLogBuffer() { } + + // get the string contents with all messages logged + const wxString& GetBuffer() const { return m_str; } + + // show the buffer contents to the user in the best possible way (this uses + // wxMessageOutputMessageBox) and clear it + virtual void Flush(); + +protected: + virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); + virtual void DoLogString(const wxChar *szString, time_t t); + +private: + wxString m_str; + + DECLARE_NO_COPY_CLASS(wxLogBuffer) +}; + + // log everything to a "FILE *", stderr by default -class WXDLLEXPORT wxLogStderr : public wxLog +class WXDLLIMPEXP_BASE wxLogStderr : public wxLog { public: // redirect log output to a FILE wxLogStderr(FILE *fp = (FILE *) NULL); -private: +protected: // implement sink function virtual void DoLogString(const wxChar *szString, time_t t); FILE *m_fp; + + DECLARE_NO_COPY_CLASS(wxLogStderr) }; #if wxUSE_STD_IOSTREAM + // log everything to an "ostream", cerr by default -class WXDLLEXPORT wxLogStream : public wxLog +class WXDLLIMPEXP_BASE wxLogStream : public wxLog { public: // redirect log output to an ostream @@ -260,155 +340,102 @@ protected: // using ptr here to avoid including from this file wxSTD ostream *m_ostr; }; -#endif -// the following log targets are only compiled in if the we're compiling the -// GUI part (andnot just the base one) of the library, they're implemented in -// src/generic/logg.cpp *and not src/common/log.cpp unlike all the rest) +#endif // wxUSE_STD_IOSTREAM -#if wxUSE_GUI +// ---------------------------------------------------------------------------- +// /dev/null log target: suppress logging until this object goes out of scope +// ---------------------------------------------------------------------------- + +// example of usage: +/* + void Foo() + { + wxFile file; + + // wxFile.Open() normally complains if file can't be opened, we don't + // want it + wxLogNull logNo; -#if wxUSE_TEXTCTRL + if ( !file.Open("bar") ) + ... process error ourselves ... -// log everything to a text window (GUI only of course) -class WXDLLEXPORT wxLogTextCtrl : public wxLog + // ~wxLogNull called, old log sink restored + } + */ +class WXDLLIMPEXP_BASE wxLogNull { public: - wxLogTextCtrl(wxTextCtrl *pTextCtrl); + wxLogNull() : m_flagOld(wxLog::EnableLogging(false)) { } + ~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); } private: - // implement sink function - virtual void DoLogString(const wxChar *szString, time_t t); - - // the control we use - wxTextCtrl *m_pTextCtrl; + bool m_flagOld; // the previous value of the wxLog::ms_doLog }; -#endif // wxUSE_TEXTCTRL - // ---------------------------------------------------------------------------- -// GUI log target, the default one for wxWindows programs +// chaining log target: installs itself as a log target and passes all +// messages to the real log target given to it in the ctor but also forwards +// them to the previously active one +// +// note that you don't have to call SetActiveTarget() with this class, it +// does it itself in its ctor // ---------------------------------------------------------------------------- -#if wxUSE_LOGGUI - -class WXDLLEXPORT wxLogGui : public wxLog +class WXDLLIMPEXP_BASE wxLogChain : public wxLog { public: - // ctor - wxLogGui(); - - // show all messages that were logged since the last Flush() - virtual void Flush(); - -protected: - virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); - - // empty everything - void Clear(); - - wxArrayString m_aMessages; // the log message texts - wxArrayInt m_aSeverity; // one of wxLOG_XXX values - wxArrayLong m_aTimes; // the time of each message - bool m_bErrors, // do we have any errors? - m_bWarnings; // any warnings? -}; - -#endif // wxUSE_LOGGUI - -// ---------------------------------------------------------------------------- -// (background) log window: this class forwards all log messages to the log -// target which was active when it was instantiated, but also collects them -// to the log window. This window has it's own menu which allows the user to -// close it, clear the log contents or save it to the file. -// ---------------------------------------------------------------------------- + wxLogChain(wxLog *logger); + virtual ~wxLogChain(); -#if wxUSE_LOGWINDOW + // change the new log target + void SetLog(wxLog *logger); -class WXDLLEXPORT wxLogWindow : public wxLog -{ -public: - wxLogWindow(wxFrame *pParent, // the parent frame (can be NULL) - const wxChar *szTitle, // the title of the frame - bool bShow = TRUE, // show window immediately? - bool bPassToOld = TRUE); // pass log messages to the old target? - ~wxLogWindow(); - - // window operations - // show/hide the log window - void Show(bool bShow = TRUE); - // retrieve the pointer to the frame - wxFrame *GetFrame() const; + // this can be used to temporarily disable (and then reenable) passing + // messages to the old logger (by default we do pass them) + void PassMessages(bool bDoPass) { m_bPassMessages = bDoPass; } - // accessors - // the previous log target (may be NULL) - wxLog *GetOldLog() const { return m_pOldLog; } - // are we passing the messages to the previous log target? + // are we passing the messages to the previous log target? bool IsPassingMessages() const { return m_bPassMessages; } - // we can pass the messages to the previous log target (we're in this mode by - // default: we collect all messages in the window, but also let the default - // processing take place) - void PassMessages(bool bDoPass) { m_bPassMessages = bDoPass; } + // return the previous log target (may be NULL) + wxLog *GetOldLog() const { return m_logOld; } - // base class virtuals - // we don't need it ourselves, but we pass it to the previous logger + // override base class version to flush the old logger as well virtual void Flush(); - // overridables - // called immediately after the log frame creation allowing for - // any extra initializations - virtual void OnFrameCreate(wxFrame *frame); - // called if the user closes the window interactively, will not be - // called if it is destroyed for another reason (such as when program - // exits) - return TRUE from here to allow the frame to close, FALSE - // to prevent this from happening - virtual bool OnFrameClose(wxFrame *frame); - // called right before the log frame is going to be deleted: will - // always be called unlike OnFrameClose() - virtual void OnFrameDelete(wxFrame *frame); - protected: + // pass the chain to the old logger if needed virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); - virtual void DoLogString(const wxChar *szString, time_t t); private: - bool m_bPassMessages; // pass messages to m_pOldLog? - wxLog *m_pOldLog; // previous log target - wxLogFrame *m_pLogFrame; // the log frame -}; + // the current log target + wxLog *m_logNew; -#endif // wxUSE_LOGWINDOW + // the previous log target + wxLog *m_logOld; -#endif // wxUSE_GUI + // do we pass the messages to the old logger? + bool m_bPassMessages; -// ---------------------------------------------------------------------------- -// /dev/null log target: suppress logging until this object goes out of scope -// ---------------------------------------------------------------------------- - -// example of usage: -/* - void Foo() { - wxFile file; - -// wxFile.Open() normally complains if file can't be opened, we don't want it -wxLogNull logNo; -if ( !file.Open("bar") ) -... process error ourselves ... + DECLARE_NO_COPY_CLASS(wxLogChain) +}; -// ~wxLogNull called, old log sink restored -} - */ -class WXDLLEXPORT wxLogNull +// a chain log target which uses itself as the new logger +class WXDLLIMPEXP_BASE wxLogPassThrough : public wxLogChain { public: - wxLogNull() { m_flagOld = wxLog::EnableLogging(FALSE); } - ~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); } + wxLogPassThrough(); private: - bool m_flagOld; // the previous value of the wxLog::ms_doLog + DECLARE_NO_COPY_CLASS(wxLogPassThrough) }; +#if wxUSE_GUI + // include GUI log targets: + #include "wx/generic/logg.h" +#endif // wxUSE_GUI + // ============================================================================ // global functions // ============================================================================ @@ -418,41 +445,69 @@ private: // for log messages for easy redirection // ---------------------------------------------------------------------------- -// are we in 'verbose' mode? -// (note that it's often handy to change this var manually from the -// debugger, thus enabling/disabling verbose reporting for some -// parts of the program only) -WXDLLEXPORT_DATA(extern bool) g_bVerbose; - // ---------------------------------------------------------------------------- // get error code/error message from system in a portable way // ---------------------------------------------------------------------------- // return the last system error code -WXDLLEXPORT unsigned long wxSysErrorCode(); +WXDLLIMPEXP_BASE unsigned long wxSysErrorCode(); + // return the error message for given (or last if 0) error code -WXDLLEXPORT const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); +WXDLLIMPEXP_BASE const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); +// ---------------------------------------------------------------------------- // define wxLog -// ------------------- - -#define DECLARE_LOG_FUNCTION(level) \ -extern void WXDLLEXPORT wxLog##level(const wxChar *szFormat, ...) -#define DECLARE_LOG_FUNCTION2(level, arg1) \ -extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) +// ---------------------------------------------------------------------------- +#define DECLARE_LOG_FUNCTION(level) \ +extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat, \ + va_list argptr); \ +extern void WXDLLIMPEXP_BASE wxLog##level(const wxChar *szFormat, \ + ...) ATTRIBUTE_PRINTF_1 +#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \ +extern void expdecl wxVLog##level(argclass arg, \ + const wxChar *szFormat, \ + va_list argptr); \ +extern void expdecl wxLog##level(argclass arg, \ + const wxChar *szFormat, \ + ...) ATTRIBUTE_PRINTF_2 #else // !wxUSE_LOG // log functions do nothing at all -#define DECLARE_LOG_FUNCTION(level) \ -inline void WXDLLEXPORT wxLog##level(const wxChar *szFormat, ...) {} -#define DECLARE_LOG_FUNCTION2(level, arg1) \ -inline void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) {} +#define DECLARE_LOG_FUNCTION(level) \ +inline void wxVLog##level(const wxChar *WXUNUSED(szFormat), \ + va_list WXUNUSED(argptr)) { } \ +inline void wxLog##level(const wxChar *WXUNUSED(szFormat), \ + ...) { } +#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \ +inline void wxVLog##level(argclass WXUNUSED(arg), \ + const wxChar *WXUNUSED(szFormat), \ + va_list WXUNUSED(argptr)) {} \ +inline void wxLog##level(argclass WXUNUSED(arg), \ + const wxChar *WXUNUSED(szFormat), \ + ...) { } + +// Empty Class to fake wxLogNull +class WXDLLIMPEXP_BASE wxLogNull +{ +public: + wxLogNull() { } +}; + +// Dummy macros to replace some functions. +#define wxSysErrorCode() (unsigned long)0 +#define wxSysErrorMsg( X ) (const wxChar*)NULL + +// Fake symbolic trace masks... for those that are used frequently +#define wxTRACE_OleCalls wxEmptyString // OLE interface calls #endif // wxUSE_LOG/!wxUSE_LOG +#define DECLARE_LOG_FUNCTION2(level, argclass, arg) \ + DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, WXDLLIMPEXP_BASE) + // a generic function for all levels (level is passes as parameter) -DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); +DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level); // one function per each level DECLARE_LOG_FUNCTION(FatalError); @@ -466,9 +521,12 @@ DECLARE_LOG_FUNCTION(Verbose); // application frame, if any DECLARE_LOG_FUNCTION(Status); -// this one is the same as previous except that it allows to explicitly -// specify the frame to which the output should go -DECLARE_LOG_FUNCTION2(Status, wxFrame *pFrame); +#if wxUSE_GUI + // this one is the same as previous except that it allows to explicitly + class WXDLLEXPORT wxFrame; + // specify the frame to which the output should go + DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE); +#endif // wxUSE_GUI // additional one: as wxLogError, but also logs last system call error code // and the corresponding error message if available @@ -476,54 +534,60 @@ DECLARE_LOG_FUNCTION(SysError); // and another one which also takes the error code (for those broken APIs // that don't set the errno (like registry APIs in Win32)) -DECLARE_LOG_FUNCTION2(SysError, long lErrCode); +DECLARE_LOG_FUNCTION2(SysError, long, lErrCode); // debug functions do nothing in release mode -#ifdef __WXDEBUG__ +#if wxUSE_LOG_DEBUG DECLARE_LOG_FUNCTION(Debug); - // first king of LogTrace is uncoditional: it doesn't check the level, - DECLARE_LOG_FUNCTION(Trace); + // there is no more unconditional LogTrace: it is not different from + // LogDebug and it creates overload ambiguities + //DECLARE_LOG_FUNCTION(Trace); - // this second version will only log the message if the mask had been - // added to the list of masks with AddTraceMask() - DECLARE_LOG_FUNCTION2(Trace, const wxChar *mask); + // this version only logs the message if the mask had been added to the + // list of masks with AddTraceMask() + DECLARE_LOG_FUNCTION2(Trace, const wxChar *, mask); - // the last one does nothing if all of level bits are not set - // in wxLog::GetActive()->GetTraceMask() - it's deprecated in favour of + // and this one does nothing if all of level bits are not set in + // wxLog::GetActive()->GetTraceMask() -- it's deprecated in favour of // string identifiers - DECLARE_LOG_FUNCTION2(Trace, wxTraceMask mask); + DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask); #else //!debug // these functions do nothing in release builds - inline void wxLogDebug(const wxChar *, ...) { } - inline void wxLogTrace(const wxChar *, ...) { } - inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { } - inline void wxLogTrace(const wxChar *, const wxChar *, ...) { } + + // note that leaving out "fmt" in the vararg functions provokes a warning + // from SGI CC: "the last argument of the varargs function is unnamed" + inline void wxVLogDebug(const wxChar *, va_list) { } + inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); } + inline void wxVLogTrace(wxTraceMask, const wxChar *, va_list) { } + inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); } + inline void wxVLogTrace(const wxChar *, const wxChar *, va_list) { } + inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); } #endif // debug/!debug +// wxLogFatalError helper: show the (fatal) error to the user in a safe way, +// i.e. without using wxMessageBox() for example because it could crash +void WXDLLIMPEXP_BASE +wxSafeShowMessage(const wxString& title, const wxString& text); + // ---------------------------------------------------------------------------- // debug only logging functions: use them with API name and error code // ---------------------------------------------------------------------------- -#ifndef __TFILE__ - #define __XFILE__(x) Tx) - #define __TFILE__ __XFILE__(__FILE__) -#endif - #ifdef __WXDEBUG__ // make life easier for people using VC++ IDE: clicking on the message // will take us immediately to the place of the failed API #ifdef __VISUALC__ #define wxLogApiError(api, rc) \ wxLogDebug(wxT("%s(%d): '%s' failed with error 0x%08lx (%s)."), \ - __TFILE__, __LINE__, api, \ - rc, wxSysErrorMsg(rc)) + __TFILE__, __LINE__, api, \ + (long)rc, wxSysErrorMsg(rc)) #else // !VC++ #define wxLogApiError(api, rc) \ - wxLogDebug(wxT("In file %s at line %d: '%s' failed with " \ - "error 0x%08lx (%s)."), \ - __TFILE__, __LINE__, api, \ - rc, wxSysErrorMsg(rc)) + wxLogDebug(wxT("In file %s at line %d: '%s' failed with ") \ + wxT("error 0x%08lx (%s)."), \ + __TFILE__, __LINE__, api, \ + (long)rc, wxSysErrorMsg(rc)) #endif // VC++/!VC++ #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) @@ -533,4 +597,10 @@ DECLARE_LOG_FUNCTION2(SysError, long lErrCode); inline void wxLogLastError(const wxChar *) { } #endif //debug/!debug +// wxCocoa has additiional trace masks +#if defined(__WXCOCOA__) +#include "wx/cocoa/log.h" +#endif + #endif // _WX_LOG_H_ +