X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/22f3361e1cf25c52a2da8fdfc5cb081809e18fb9..3ef37e7f4ec5f0688a4fb47e530ca2d30a6bb3ed:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index 04efbd0bd8..3df5e2cd60 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -6,26 +6,32 @@ // 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_ -#if defined(__GNUG__) && !defined(__APPLE__) +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "log.h" #endif -#include "wx/setup.h" +#include "wx/defs.h" + +#if wxUSE_LOG + #include "wx/string.h" +#include "wx/arrstr.h" // ---------------------------------------------------------------------------- // forward declarations // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTextCtrl; -class WXDLLEXPORT wxLogFrame; -class WXDLLEXPORT wxFrame; +#if wxUSE_GUI + class WXDLLIMPEXP_CORE wxTextCtrl; + class WXDLLIMPEXP_CORE wxLogFrame; + class WXDLLIMPEXP_CORE wxFrame; +#endif // wxUSE_GUI // ---------------------------------------------------------------------------- // types @@ -38,8 +44,6 @@ typedef unsigned long wxLogLevel; // headers // ---------------------------------------------------------------------------- -#if wxUSE_LOG - #ifndef __WXWINCE__ #include // for time_t #endif @@ -101,14 +105,14 @@ enum #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 @@ -143,22 +147,19 @@ public: // 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 static void FlushActive() { if ( !ms_suspendCount ) { wxLog *log = GetActiveTarget(); - if ( log && log->HasPendingMessages() ) + if ( log ) log->Flush(); } } + + // 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(); @@ -187,7 +188,8 @@ public: // 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); } + 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 @@ -207,8 +209,7 @@ public: // 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; } + static bool IsAllowedTraceMask(const wxChar *mask); // return the current loglevel limit static wxLogLevel GetLogLevel() { return ms_logLevel; } @@ -224,9 +225,11 @@ public: // 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() @@ -261,7 +264,7 @@ private: // ---------------------------------------------------------------------------- // log everything to a "FILE *", stderr by default -class WXDLLEXPORT wxLogStderr : public wxLog +class WXDLLIMPEXP_BASE wxLogStderr : public wxLog { DECLARE_NO_COPY_CLASS(wxLogStderr) @@ -279,7 +282,7 @@ protected: #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 @@ -315,7 +318,7 @@ protected: // ~wxLogNull called, old log sink restored } */ -class WXDLLEXPORT wxLogNull +class WXDLLIMPEXP_BASE wxLogNull { public: wxLogNull() : m_flagOld(wxLog::EnableLogging(FALSE)) { } @@ -334,7 +337,7 @@ private: // does it itself in its ctor // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxLogChain : public wxLog +class WXDLLIMPEXP_BASE wxLogChain : public wxLog { public: wxLogChain(wxLog *logger); @@ -374,120 +377,18 @@ private: }; // a chain log target which uses itself as the new logger -class WXDLLEXPORT wxLogPassThrough : public wxLogChain +class WXDLLIMPEXP_BASE wxLogPassThrough : public wxLogChain { public: wxLogPassThrough(); -}; - -// ---------------------------------------------------------------------------- -// 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 - -// log everything to a text window (GUI only of course) -class WXDLLEXPORT wxLogTextCtrl : public wxLog -{ -public: - wxLogTextCtrl(wxTextCtrl *pTextCtrl); private: - // implement sink function - virtual void DoLogString(const wxChar *szString, time_t t); - - // the control we use - wxTextCtrl *m_pTextCtrl; - - DECLARE_NO_COPY_CLASS(wxLogTextCtrl) + DECLARE_NO_COPY_CLASS(wxLogPassThrough) }; -#endif // wxUSE_TEXTCTRL - -// ---------------------------------------------------------------------------- -// GUI log target, the default one for wxWindows programs -// ---------------------------------------------------------------------------- - -#if wxUSE_LOGGUI - -class WXDLLEXPORT wxLogGui : 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. -// ---------------------------------------------------------------------------- - -#if wxUSE_LOGWINDOW - -class WXDLLEXPORT wxLogWindow : public wxLogPassThrough -{ -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 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; - - // 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: - virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); - virtual void DoLogString(const wxChar *szString, time_t t); - -private: - wxLogFrame *m_pLogFrame; // the log frame - - DECLARE_NO_COPY_CLASS(wxLogWindow) -}; - -#endif // wxUSE_LOGWINDOW - +#if wxUSE_GUI + // include GUI log targets: + #include "wx/generic/logg.h" #endif // wxUSE_GUI // ============================================================================ @@ -504,37 +405,53 @@ private: // ---------------------------------------------------------------------------- // 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 wxVLog##level(const wxChar *szFormat, \ - va_list argptr); \ -extern void WXDLLEXPORT wxLog##level(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(level, arg1) \ -extern void WXDLLEXPORT wxVLog##level(arg1, const wxChar *szFormat, \ - va_list argptr); \ -extern void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, \ +#define DECLARE_LOG_FUNCTION2_EXP(level, arg, expdecl) \ +extern void expdecl wxVLog##level(arg, const wxChar *szFormat, \ + va_list argptr); \ +extern void expdecl wxLog##level(arg, const wxChar *szFormat, \ ...) ATTRIBUTE_PRINTF_2 +#define DECLARE_LOG_FUNCTION2(level, arg) \ + DECLARE_LOG_FUNCTION2_EXP(level, arg, WXDLLIMPEXP_BASE) #else // !wxUSE_LOG // log functions do nothing at all -#define DECLARE_LOG_FUNCTION(level) \ -inline void WXDLLEXPORT wxVLog##level(const wxChar *szFormat, \ - va_list argptr) {} \ -inline void WXDLLEXPORT wxLog##level(const wxChar *szFormat, ...) {} -#define DECLARE_LOG_FUNCTION2(level, arg1) \ -inline void WXDLLEXPORT wxVLog##level(arg1, const wxChar *szFormat, \ - va_list argptr) {} \ -inline void WXDLLEXPORT wxLog##level(arg1, const wxChar *szFormat, ...) {} +#define DECLARE_LOG_FUNCTION(level) \ +inline void wxVLog##level(const wxChar *szFormat, \ + va_list argptr) { } \ +inline void wxLog##level(const wxChar *szFormat, ...) { } +#define DECLARE_LOG_FUNCTION2(level, arg) \ +inline void wxVLog##level(arg, const wxChar *szFormat, \ + va_list argptr) {} \ +inline void wxLog##level(arg, const wxChar *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 @@ -553,9 +470,11 @@ 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 + // 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 @@ -569,23 +488,22 @@ DECLARE_LOG_FUNCTION2(SysError, long lErrCode); #if wxUSE_LOG_DEBUG DECLARE_LOG_FUNCTION(Debug); - // first kind of LogTrace is unconditional: 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() + // 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); #else //!debug // these functions do nothing in release builds inline void wxVLogDebug(const wxChar *, va_list) { } inline void wxLogDebug(const wxChar *, ...) { } - inline void wxVLogTrace(const wxChar *, va_list) { } - inline void wxLogTrace(const wxChar *, ...) { } inline void wxVLogTrace(wxTraceMask, const wxChar *, va_list) { } inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { } inline void wxVLogTrace(const wxChar *, const wxChar *, va_list) { } @@ -594,7 +512,8 @@ DECLARE_LOG_FUNCTION2(SysError, long lErrCode); // 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 WXDLLEXPORT wxSafeShowMessage(const wxString& title, const wxString& text); +void WXDLLIMPEXP_BASE +wxSafeShowMessage(const wxString& title, const wxString& text); // ---------------------------------------------------------------------------- // debug only logging functions: use them with API name and error code @@ -610,8 +529,8 @@ void WXDLLEXPORT wxSafeShowMessage(const wxString& title, const wxString& text); (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)."), \ + 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++ @@ -625,4 +544,3 @@ void WXDLLEXPORT wxSafeShowMessage(const wxString& title, const wxString& text); #endif // _WX_LOG_H_ -// vi:sts=4:sw=4:et