X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7e81174d0b3bb36697b27532c63c74216c9c89eb..5fe8354960174a56ee21c456ac3ba521a7b9bae5:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index 7713ebc382..db1f30d5d1 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -16,8 +16,33 @@ #pragma interface "log.h" #endif -#include -#include +#include "wx/setup.h" +#include "wx/string.h" + +// ---------------------------------------------------------------------------- +// forward declarations +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTextCtrl; +class WXDLLEXPORT wxLogFrame; +class WXDLLEXPORT wxFrame; + +// ---------------------------------------------------------------------------- +// types +// ---------------------------------------------------------------------------- + +typedef unsigned long wxTraceMask; +typedef unsigned long wxLogLevel; + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#if wxUSE_LOG + +#include // for time_t + +#include "wx/dynarray.h" // ---------------------------------------------------------------------------- // constants @@ -42,13 +67,13 @@ enum // discarded unless the string "foo" has been added to the list of allowed // ones with AddTraceMask() -#define wxTRACE_MemAlloc "memalloc" // trace memory allocation (new/delete) -#define wxTRACE_Messages "messages" // trace window messages/X callbacks -#define wxTRACE_ResAlloc "resalloc" // trace GDI resource allocation -#define wxTRACE_RefCount "refcount" // trace various ref counting operations +#define wxTRACE_MemAlloc wxT("memalloc") // trace memory allocation (new/delete) +#define wxTRACE_Messages wxT("messages") // trace window messages/X callbacks +#define wxTRACE_ResAlloc wxT("resalloc") // trace GDI resource allocation +#define wxTRACE_RefCount wxT("refcount") // trace various ref counting operations #ifdef __WXMSW__ - #define wxTRACE_OleCalls "ole" // OLE interface calls + #define wxTRACE_OleCalls wxT("ole") // OLE interface calls #endif // the trace masks have been superceded by symbolic trace constants, they're @@ -65,26 +90,7 @@ enum #define wxTraceOleCalls 0x0100 // OLE interface calls #endif -typedef unsigned long wxTraceMask; -typedef unsigned long wxLogLevel; - -// ---------------------------------------------------------------------------- -// forward declarations -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxTextCtrl; -class WXDLLEXPORT wxLogFrame; -class WXDLLEXPORT wxFrame; - -#if wxUSE_IOSTREAMH -// N.B. BC++ doesn't have istream.h, ostream.h -# include -#else -# include -# if defined(__VISUALC__) || defined(__MWERKS__) - using namespace std; -# endif -#endif +#include "wx/ioswrap.h" // ---------------------------------------------------------------------------- // derive from this class to redirect (or suppress, or ...) log messages @@ -106,7 +112,7 @@ public: // static sink function - see DoLog() for function to overload in the // derived classes - static void OnLog(wxLogLevel level, const char *szString, time_t t) + static void OnLog(wxLogLevel level, const wxChar *szString, time_t t) { if ( IsEnabled() ) { wxLog *pLogger = GetActiveTarget(); @@ -126,19 +132,36 @@ public: bool HasPendingMessages() const { return m_bHasMessages; } // only one sink is active at each moment + // flush the active target if any + static void FlushActive() + { + if ( !ms_suspendCount ) + { + wxLog *log = GetActiveTarget(); + if ( log && log->HasPendingMessages() ) + log->Flush(); + } + } // get current log target, will call wxApp::CreateLogTarget() to // create one if none exists static wxLog *GetActiveTarget(); // 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) + static void Suspend() { ms_suspendCount++; } + // 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 void SetVerbose(bool bVerbose = TRUE) { m_bVerbose = bVerbose; } // should GetActiveTarget() try to create a new log object if the // current is NULL? - static void DontCreateOnDemand() { ms_bAutoCreate = FALSE; } + static void DontCreateOnDemand(); // trace mask (see wxTraceXXX constants for details) static void SetTraceMask(wxTraceMask ulMask) { ms_ulTraceMask = ulMask; } @@ -146,6 +169,13 @@ public: static void AddTraceMask(const wxString& str) { ms_aTraceMasks.Add(str); } // add string trace mask static void RemoveTraceMask(const wxString& str); + // 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. + static void SetTimestamp(const wxChar *ts) { ms_timestamp = ts; } // accessors // gets the verbose status @@ -153,9 +183,17 @@ public: // get trace mask static wxTraceMask GetTraceMask() { return ms_ulTraceMask; } // is this trace mask in the list? - static bool IsAllowedTraceMask(const char *mask) + static bool IsAllowedTraceMask(const wxChar *mask) { return ms_aTraceMasks.Index(mask) != wxNOT_FOUND; } + // 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) + static void TimeStamp(wxString *str); + // make dtor virtual for all derived classes virtual ~wxLog() { } @@ -166,10 +204,10 @@ 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() - virtual void DoLog(wxLogLevel level, const char *szString, time_t t); + 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 - virtual void DoLogString(const char *szString, time_t t); + virtual void DoLogString(const wxChar *szString, time_t t); private: // static variables @@ -179,6 +217,12 @@ private: static bool ms_doLog; // FALSE => all logging disabled static bool ms_bAutoCreate; // create new log targets on demand? + static size_t ms_suspendCount; // if positive, logs are not flushed + + // format string for strftime(), if NULL, time stamping log messages is + // disabled + static const wxChar *ms_timestamp; + static wxTraceMask ms_ulTraceMask; // controls wxLogTrace behaviour static wxArrayString ms_aTraceMasks; // more powerful filter for wxLogTrace }; @@ -196,7 +240,7 @@ public: private: // implement sink function - virtual void DoLogString(const char *szString, time_t t); + virtual void DoLogString(const wxChar *szString, time_t t); FILE *m_fp; }; @@ -207,33 +251,47 @@ class WXDLLEXPORT wxLogStream : public wxLog { public: // redirect log output to an ostream - wxLogStream(ostream *ostr = (ostream *) NULL); + wxLogStream(wxSTD ostream *ostr = (wxSTD ostream *) NULL); protected: // implement sink function - virtual void DoLogString(const char *szString, time_t t); + virtual void DoLogString(const wxChar *szString, time_t t); // using ptr here to avoid including from this file - ostream *m_ostr; + wxSTD ostream *m_ostr; }; #endif -#ifndef wxUSE_NOGUI +// 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) + +#if wxUSE_GUI + +#if wxUSE_TEXTCTRL -#if wxUSE_STD_IOSTREAM // log everything to a text window (GUI only of course) -class WXDLLEXPORT wxLogTextCtrl : public wxLogStream +class WXDLLEXPORT wxLogTextCtrl : public wxLog { public: - // we just create an ostream from wxTextCtrl and use it in base class wxLogTextCtrl(wxTextCtrl *pTextCtrl); - ~wxLogTextCtrl(); + +private: + // implement sink function + virtual void DoLogString(const wxChar *szString, time_t t); + + // the control we use + wxTextCtrl *m_pTextCtrl; }; -#endif + +#endif // wxUSE_TEXTCTRL // ---------------------------------------------------------------------------- // GUI log target, the default one for wxWindows programs // ---------------------------------------------------------------------------- + +#if wxUSE_LOGGUI + class WXDLLEXPORT wxLogGui : public wxLog { public: @@ -244,42 +302,48 @@ public: virtual void Flush(); protected: - virtual void DoLog(wxLogLevel level, const char *szString, time_t t); + virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); // empty everything void Clear(); - wxArrayString m_aMessages; - wxArrayLong m_aTimes; + 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. // ---------------------------------------------------------------------------- + +#if wxUSE_LOGWINDOW + class WXDLLEXPORT wxLogWindow : public wxLog { public: wxLogWindow(wxFrame *pParent, // the parent frame (can be NULL) - const char *szTitle, // the title of the frame + 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 + // show/hide the log window void Show(bool bShow = TRUE); - // retrieve the pointer to the frame + // retrieve the pointer to the frame wxFrame *GetFrame() const; // accessors - // the previous log target (may be NULL) + // 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 @@ -288,19 +352,25 @@ public: void PassMessages(bool bDoPass) { m_bPassMessages = bDoPass; } // base class virtuals - // we don't need it ourselves, but we pass it to the previous logger + // we don't need it ourselves, but we pass it to the previous logger virtual void Flush(); // overridables - // called immediately after the log frame creation allowing for - // any extra initializations + // called immediately after the log frame creation allowing for + // any extra initializations virtual void OnFrameCreate(wxFrame *frame); - // called right before the log frame is going to be deleted + // 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: - virtual void DoLog(wxLogLevel level, const char *szString, time_t t); - virtual void DoLogString(const char *szString, time_t t); + 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? @@ -308,7 +378,9 @@ private: wxLogFrame *m_pLogFrame; // the log frame }; -#endif // wxUSE_NOGUI +#endif // wxUSE_LOGWINDOW + +#endif // wxUSE_GUI // ---------------------------------------------------------------------------- // /dev/null log target: suppress logging until this object goes out of scope @@ -346,42 +418,67 @@ 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(); +// return the error message for given (or last if 0) error code +WXDLLEXPORT const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); + // define wxLog // ------------------- #define DECLARE_LOG_FUNCTION(level) \ -extern void WXDLLEXPORT wxLog##level(const char *szFormat, ...) +extern void WXDLLEXPORT wxLog##level(const wxChar *szFormat, ...) +#define DECLARE_LOG_FUNCTION2(level, arg1) \ +extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) + +#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) \ -extern void WXDLLEXPORT wxLog##level(arg1, const char *szFormat, ...) +inline void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) {} + +#endif // wxUSE_LOG/!wxUSE_LOG - // a generic function for all levels (level is passes as parameter) - DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); +// a generic function for all levels (level is passes as parameter) +DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); - // one function per each level - DECLARE_LOG_FUNCTION(FatalError); - DECLARE_LOG_FUNCTION(Error); - DECLARE_LOG_FUNCTION(Warning); - DECLARE_LOG_FUNCTION(Message); - DECLARE_LOG_FUNCTION(Info); - DECLARE_LOG_FUNCTION(Verbose); +// one function per each level +DECLARE_LOG_FUNCTION(FatalError); +DECLARE_LOG_FUNCTION(Error); +DECLARE_LOG_FUNCTION(Warning); +DECLARE_LOG_FUNCTION(Message); +DECLARE_LOG_FUNCTION(Info); +DECLARE_LOG_FUNCTION(Verbose); - // this function sends the log message to the status line of the top level - // application frame, if any - DECLARE_LOG_FUNCTION(Status); +// this function sends the log message to the status line of the top level +// 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); +// 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); - // additional one: as wxLogError, but also logs last system call error code - // and the corresponding error message if available - DECLARE_LOG_FUNCTION(SysError); +// additional one: as wxLogError, but also logs last system call error code +// and the corresponding error message if available +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); +// 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); - // debug functions do nothing in release mode +// debug functions do nothing in release mode #ifdef __WXDEBUG__ DECLARE_LOG_FUNCTION(Debug); @@ -390,7 +487,7 @@ extern void WXDLLEXPORT wxLog##level(arg1, const char *szFormat, ...) // 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 char *mask); + 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 @@ -398,41 +495,42 @@ extern void WXDLLEXPORT wxLog##level(arg1, const char *szFormat, ...) DECLARE_LOG_FUNCTION2(Trace, wxTraceMask mask); #else //!debug // these functions do nothing in release builds - inline void wxLogDebug(const char *, ...) { } - inline void wxLogTrace(const char *, ...) { } - inline void wxLogTrace(wxTraceMask, const char *, ...) { } - inline void wxLogTrace(const char *, const char *, ...) { } -#endif - - - // 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; + inline void wxLogDebug(const wxChar *, ...) { } + inline void wxLogTrace(const wxChar *, ...) { } + inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { } + inline void wxLogTrace(const wxChar *, const wxChar *, ...) { } +#endif // debug/!debug - // ---------------------------------------------------------------------------- - // get error code/error message from system in a portable way - // ---------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// debug only logging functions: use them with API name and error code +// ---------------------------------------------------------------------------- - // return the last system error code - WXDLLEXPORT unsigned long wxSysErrorCode(); - // return the error message for given (or last if 0) error code - WXDLLEXPORT const char* wxSysErrorMsg(unsigned long nErrCode = 0); +#ifndef __TFILE__ + #define __XFILE__(x) Tx) + #define __TFILE__ __XFILE__(__FILE__) +#endif - // ---------------------------------------------------------------------------- - // debug only logging functions: use them with API name and error code - // ---------------------------------------------------------------------------- +#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)) +#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)) +#endif // VC++/!VC++ + + #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) -#ifdef __WXDEBUG__ -#define wxLogApiError(api, rc) \ - wxLogDebug("At %s(%d) '%s' failed with error %lx (%s).", \ - __FILE__, __LINE__, api, \ - rc, wxSysErrorMsg(rc)) -#define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) #else //!debug - inline void wxLogApiError(const char *, long) { } - inline void wxLogLastError(const char *) { } + inline void wxLogApiError(const wxChar *, long) { } + inline void wxLogLastError(const wxChar *) { } #endif //debug/!debug #endif // _WX_LOG_H_