#endif
#endif // wxUSE_LOG_TRACE
+// wxLOG_COMPONENT identifies the component which generated the log record and
+// can be #define'd to a user-defined value when compiling the user code to use
+// component-based filtering (see wxLog::SetComponentLevel())
+#ifndef wxLOG_COMPONENT
+ // this is a variable and not a macro in order to allow the user code to
+ // just #define wxLOG_COMPONENT without #undef'ining it first
+ extern WXDLLIMPEXP_DATA_BASE(const char *) wxLOG_COMPONENT;
+
+ #ifdef WXBUILDING
+ #define wxLOG_COMPONENT "wx"
+ #endif
+#endif
+
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
// default ctor creates an uninitialized object
wxLogRecordInfo()
{
- memset(this, 0, sizeof(this));
+ memset(this, 0, sizeof(*this));
}
// normal ctor, used by wxLogger specifies the location of the log
// statement; its time stamp and thread id are set up here
wxLogRecordInfo(const char *filename_,
int line_,
- const char *func_)
+ const char *func_,
+ const char *component_)
{
filename = filename_;
func = func_;
line = line_;
+ component = component_;
timestamp = time(NULL);
// if the compiler doesn't support __FUNCTION__)
const char *func;
+ // the name of the component which generated this message, may be NULL if
+ // not set (i.e. wxLOG_COMPONENT not defined)
+ const char *component;
+
// time of record generation
time_t timestamp;
private:
void Copy(const wxLogRecordInfo& other)
{
- memcpy(this, &other, sizeof(wxLogRecordInfo));
+ memcpy(this, &other, sizeof(*this));
if ( other.m_data )
m_data = new ExtraData(*other.m_data);
}
#define wxLOG_KEY_TRACE_MASK "wx.trace_mask"
+// ----------------------------------------------------------------------------
+// log record: a unit of log output
+// ----------------------------------------------------------------------------
+
+struct wxLogRecord
+{
+ wxLogRecord(wxLogLevel level_,
+ const wxString& msg_,
+ const wxLogRecordInfo& info_)
+ : level(level_),
+ msg(msg_),
+ info(info_)
+ {
+ }
+
+ wxLogLevel level;
+ wxString msg;
+ wxLogRecordInfo info;
+};
+
// ----------------------------------------------------------------------------
// 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
virtual ~wxLog();
- // these functions allow to completely disable all log messages
+ // log messages selection
+ // ----------------------
+
+ // these functions allow to completely disable all log messages or disable
+ // log messages at level less important than specified for the current
+ // thread
// is logging enabled at all now?
- static bool IsEnabled() { return ms_doLog; }
+ static bool IsEnabled()
+ {
+#if wxUSE_THREADS
+ if ( !wxThread::IsMain() )
+ return IsThreadLoggingEnabled();
+#endif // wxUSE_THREADS
- // is logging at this level enabled?
- static bool IsLevelEnabled(wxLogLevel level)
- { return IsEnabled() && level <= ms_logLevel; }
+ 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; }
+ static bool EnableLogging(bool enable = true)
+ {
+#if wxUSE_THREADS
+ if ( !wxThread::IsMain() )
+ return EnableThreadLogging(enable);
+#endif // wxUSE_THREADS
+
+ bool doLogOld = ms_doLog;
+ ms_doLog = enable;
+ return doLogOld;
+ }
+
+ // return the current global log level
+ static wxLogLevel GetLogLevel() { return ms_logLevel; }
+
+ // set global log level: messages with level > logLevel will not be logged
+ static void SetLogLevel(wxLogLevel logLevel) { ms_logLevel = logLevel; }
+
+ // set the log level for the given component
+ static void SetComponentLevel(const wxString& component, wxLogLevel level);
+
+ // return the effective log level for this component, falling back to
+ // parent component and to the default global log level if necessary
+ //
+ // NB: component argument is passed by value and not const reference in an
+ // attempt to encourage compiler to avoid an extra copy: as we modify
+ // the component internally, we'd create one anyhow and like this it
+ // can be avoided if the string is a temporary anyhow
+ static wxLogLevel GetComponentLevel(wxString component);
+
+
+ // is logging of messages from this component enabled at this level?
+ //
+ // usually always called with wxLOG_COMPONENT as second argument
+ static bool IsLevelEnabled(wxLogLevel level, wxString component)
+ {
+ return IsEnabled() && level <= GetComponentLevel(component);
+ }
+
+
+ // enable/disable messages at wxLOG_Verbose level (only relevant if the
+ // current log level is greater or equal to it)
+ //
+ // notice that verbose mode can be activated by the standard command-line
+ // '--verbose' option
+ static void SetVerbose(bool bVerbose = true) { ms_bVerbose = bVerbose; }
+
+ // check if verbose messages are enabled
+ static bool GetVerbose() { return ms_bVerbose; }
+
// 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)
virtual void Flush();
- // flush the active target if any
- static void FlushActive()
- {
- if ( !ms_suspendCount )
- {
- wxLog *log = GetActiveTarget();
- if ( log )
- log->Flush();
- }
- }
+ // flush the active target if any and also output any pending messages from
+ // background threads
+ static void FlushActive();
- // only one sink is active at each moment
- // 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
+ // wxAppTraits::CreateLogTarget() to create one if none exists
static wxLog *GetActiveTarget();
- // change log target, pLogger may be NULL
- static wxLog *SetActiveTarget(wxLog *pLogger);
+ // change log target, logger may be NULL
+ static wxLog *SetActiveTarget(wxLog *logger);
+
+#if wxUSE_THREADS
+ // change log target for the current thread only, shouldn't be called from
+ // the main thread as it doesn't use thread-specific log target
+ static wxLog *SetThreadActiveTarget(wxLog *logger);
+#endif // wxUSE_THREADS
// suspend the message flushing of the main target until the next call
// to Resume() - this is mainly for internal use (to prevent wxYield()
// 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; }
-
- // 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();
static void DisableTimestamp() { SetTimestamp(wxEmptyString); }
- // accessors
-
- // gets the verbose status
- static bool GetVerbose() { return ms_bVerbose; }
-
// is this trace mask in the list?
static bool IsAllowedTraceMask(const wxString& mask);
- // return the current loglevel limit
- static wxLogLevel GetLogLevel() { return ms_logLevel; }
-
// get the current timestamp format string (maybe empty)
static const wxString& GetTimestamp() { return ms_timestamp; }
#if WXWIN_COMPATIBILITY_2_8
wxDEPRECATED_INLINE( static void SetTraceMask(wxTraceMask ulMask),
ms_ulTraceMask = ulMask; )
- wxDEPRECATED_BUT_USED_INTERNALLY_INLINE( static wxTraceMask GetTraceMask(),
- return ms_ulTraceMask; )
+
+ // this one can't be marked deprecated as it's used in our own wxLogger
+ // below but it still is deprecated and shouldn't be used
+ static wxTraceMask GetTraceMask() { return ms_ulTraceMask; }
#endif // WXWIN_COMPATIBILITY_2_8
protected:
unsigned LogLastRepeatIfNeeded();
private:
- // implement of LogLastRepeatIfNeeded(): it assumes that the
- // caller had already locked GetPreviousLogCS()
- unsigned LogLastRepeatIfNeededUnlocked();
+#if wxUSE_THREADS
+ // called from FlushActive() to really log any buffered messages logged
+ // from the other threads
+ void FlushThreadMessages();
+
+ // these functions are called for non-main thread only by IsEnabled() and
+ // EnableLogging() respectively
+ static bool IsThreadLoggingEnabled();
+ static bool EnableThreadLogging(bool enable = true);
+#endif // wxUSE_THREADS
+
+ // get the active log target for the main thread, auto-creating it if
+ // necessary
+ //
+ // this is called from GetActiveTarget() and OnLog() when they're called
+ // from the main thread
+ static wxLog *GetMainThreadActiveTarget();
+
+ // called from OnLog() if it's called from the main thread or if we have a
+ // (presumably MT-safe) thread-specific logger and by FlushThreadMessages()
+ // when it plays back the buffered messages logged from the other threads
+ void CallDoLogNow(wxLogLevel level,
+ const wxString& msg,
+ const wxLogRecordInfo& info);
+
// static variables
// ----------------
wxLogger(wxLogLevel level,
const char *filename,
int line,
- const char *func)
+ const char *func,
+ const char *component)
: m_level(level),
- m_info(filename, line, func)
+ m_info(filename, line, func, component)
{
}
void LogV(const wxString& format, va_list argptr)
{
// remember that fatal errors can't be disabled
- if ( m_level == wxLOG_FatalError || wxLog::IsLevelEnabled(m_level) )
+ if ( m_level == wxLOG_FatalError ||
+ wxLog::IsLevelEnabled(m_level, m_info.component) )
DoCallOnLog(format, argptr);
}
void DoLogAtLevel(wxLogLevel level, const wxChar *format, ...)
{
- if ( !wxLog::IsLevelEnabled(level) )
+ if ( !wxLog::IsLevelEnabled(level, m_info.component) )
return;
va_list argptr;
void DoLogAtLevelUtf8(wxLogLevel level, const char *format, ...)
{
- if ( !wxLog::IsLevelEnabled(level) )
+ if ( !wxLog::IsLevelEnabled(level, m_info.component) )
return;
va_list argptr;
// creates wxLogger object for the current location
#define wxMAKE_LOGGER(level) \
- wxLogger(wxLOG_##level, __FILE__, __LINE__, __WXFUNCTION__)
+ wxLogger(wxLOG_##level, __FILE__, __LINE__, __WXFUNCTION__, wxLOG_COMPONENT)
// this macro generates the expression which logs whatever follows it in
// parentheses at the level specified as argument
// easily fixed by adding curly braces around wxLogError() and at least
// the code still does do the right thing.
#define wxDO_LOG_IF_ENABLED(level) \
- if ( !wxLog::IsLevelEnabled(wxLOG_##level) ) \
+ if ( !wxLog::IsLevelEnabled(wxLOG_##level, wxLOG_COMPONENT) ) \
{} \
else \
wxDO_LOG(level)
// this one is special as it only logs if we're in verbose mode
#define wxLogVerbose \
- if ( !(wxLog::IsLevelEnabled(wxLOG_Info) && wxLog::GetVerbose()) ) \
+ if ( !(wxLog::IsLevelEnabled(wxLOG_Info, wxLOG_COMPONENT) && \
+ wxLog::GetVerbose()) ) \
{} \
else \
wxDO_LOG(Info)
#define wxVLogVerbose(format, argptr) \
- if ( !(wxLog::IsLevelEnabled(wxLOG_Info) && wxLog::GetVerbose()) ) \
+ if ( !(wxLog::IsLevelEnabled(wxLOG_Info, wxLOG_COMPONENT) && \
+ wxLog::GetVerbose()) ) \
{} \
else \
wxDO_LOGV(Info, format, argptr)
// always evaluated, unlike for the other log functions
#define wxLogGeneric wxMAKE_LOGGER(Max).LogAtLevel
#define wxVLogGeneric(level, format, argptr) \
- if ( !wxLog::IsLevelEnabled(wxLOG_##level) ) \
+ if ( !wxLog::IsLevelEnabled(wxLOG_##level, wxLOG_COMPONENT) ) \
{} \
else \
wxDO_LOGV(level, format, argptr)
#define wxLOG_KEY_SYS_ERROR_CODE "wx.sys_error"
#define wxLogSysError \
- if ( !wxLog::IsLevelEnabled(wxLOG_Error) ) \
+ if ( !wxLog::IsLevelEnabled(wxLOG_Error, wxLOG_COMPONENT) ) \
{} \
else \
wxMAKE_LOGGER(Error).MaybeStore(wxLOG_KEY_SYS_ERROR_CODE).Log
#define wxLOG_KEY_FRAME "wx.frame"
#define wxLogStatus \
- if ( !wxLog::IsLevelEnabled(wxLOG_Status) ) \
+ if ( !wxLog::IsLevelEnabled(wxLOG_Status, wxLOG_COMPONENT) ) \
{} \
else \
wxMAKE_LOGGER(Status).MaybeStore(wxLOG_KEY_FRAME).Log
#if wxUSE_LOG_TRACE
#define wxLogTrace \
- if ( !wxLog::IsLevelEnabled(wxLOG_Trace) ) \
+ if ( !wxLog::IsLevelEnabled(wxLOG_Trace, wxLOG_COMPONENT) ) \
{} \
else \
wxMAKE_LOGGER(Trace).LogTrace
projects / wxWidgets.git / blobdiff