X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9e3d3318dc6f58870d13eb6567da721d060533a6..22e0ea84c89c61cceb3deb2b62145afa047a0dff:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index 63665e8691..6c2e4cdd51 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -16,6 +16,30 @@ #pragma interface "log.h" #endif +#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" @@ -43,13 +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// OLE interface calls + #define wxTRACE_OleCalls wxT("ole") // OLE interface calls #endif // the trace masks have been superceded by symbolic trace constants, they're @@ -66,26 +90,7 @@ enum #define wxTraceOleCalls 0x0100 // OLE interface calls #endif -typedef unsigned long wxTraceMask;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 @@ -127,12 +132,29 @@ 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 @@ -148,6 +170,11 @@ public: // add string trace mask static void RemoveTraceMask(const wxString& str); + // 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 bool GetVerbose() const { return m_bVerbose; } @@ -157,6 +184,14 @@ public: 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() { } @@ -180,6 +215,12 @@ 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 }; @@ -219,18 +260,25 @@ protected: }; #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_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 // ---------------------------------------------------------------------------- // GUI log target, the default one for wxWindows programs @@ -250,8 +298,9 @@ protected: // 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? }; @@ -272,15 +321,15 @@ public: ~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 @@ -289,14 +338,20 @@ 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: @@ -309,7 +364,7 @@ private: wxLogFrame *m_pLogFrame; // the log frame }; -#endif // wxUSE_NOGUI +#endif // wxUSE_GUI // ---------------------------------------------------------------------------- // /dev/null log target: suppress logging until this object goes out of scope @@ -347,6 +402,21 @@ 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 // ------------------- @@ -355,34 +425,44 @@ extern void WXDLLEXPORT wxLog##level(const wxChar *szFormat, ...) #define DECLARE_LOG_FUNCTION2(level, arg1) \ extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) - // a generic function for all levels (level is passes as parameter) - DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); +#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, ...) {} + +#endif // wxUSE_LOG/!wxUSE_LOG - // 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); +// a generic function for all levels (level is passes as parameter) +DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); - // this function sends the log message to the status line of the top level - // application frame, if any - DECLARE_LOG_FUNCTION(Status); +// 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 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 function sends the log message to the status line of the top level +// application frame, if any +DECLARE_LOG_FUNCTION(Status); - // additional one: as wxLogError, but also logs last system call error code - // and the corresponding error message if available - DECLARE_LOG_FUNCTION(SysError); +// 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); - // 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); +// additional one: as wxLogError, but also logs last system call error code +// and the corresponding error message if available +DECLARE_LOG_FUNCTION(SysError); - // debug functions do nothing in release mode +// 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 #ifdef __WXDEBUG__ DECLARE_LOG_FUNCTION(Debug); @@ -391,7 +471,7 @@ extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *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 @@ -403,39 +483,35 @@ extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) inline void wxLogTrace(const wxChar *, ...) { } inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { } inline void wxLogTrace(const wxChar *, const wxChar *, ...) { } -#endif +#endif // debug/!debug - - // 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); - - // ---------------------------------------------------------------------------- - // debug only logging functions: use them with API name and error code - // ---------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// debug only logging functions: use them with API name and error code +// ---------------------------------------------------------------------------- #ifndef __TFILE__ -#define __XFILE__(x) _T(x) -#define __TFILE__ __XFILE__(__FILE__) + #define __XFILE__(x) Tx) + #define __TFILE__ __XFILE__(__FILE__) #endif -#ifdef __WXDEBUG__ -#define wxLogApiError(api, rc) \ - wxLogDebug(_T("At %s(%d) '%s' failed with error %lx (%s)."), \ - __TFILE__, __LINE__, api, \ - rc, wxSysErrorMsg(rc)) -#define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) +#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()) + #else //!debug inline void wxLogApiError(const wxChar *, long) { } inline void wxLogLastError(const wxChar *) { }