X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/edc738528aec4da25b8ee0b306cc2a0193ae0386..edc536d358374987326d93adb1012b6eda9435a0:/docs/latex/wx/log.tex diff --git a/docs/latex/wx/log.tex b/docs/latex/wx/log.tex index c8a697c45e..f96989dde2 100644 --- a/docs/latex/wx/log.tex +++ b/docs/latex/wx/log.tex @@ -11,7 +11,7 @@ \section{\class{wxLog}}\label{wxlog} -wxLog class defines the interface for the {\it log targets} used by wxWindows +wxLog class defines the interface for the {\it log targets} used by wxWidgets logging functions as explained in the \helpref{wxLog overview}{wxlogoverview}. The only situations when you need to directly use this class is when you want to derive your own log target because the existing ones don't satisfy your @@ -23,7 +23,7 @@ completely) the timestamp on the messages. Otherwise, it is completely hidden behind the {\it wxLogXXX()} functions and you may not even know about its existence. -See \helpref{log overview}{wxlogoverview} for the descriptions of wxWindows +See \helpref{log overview}{wxlogoverview} for the descriptions of wxWidgets logging facilities. \wxheading{Derived from} @@ -36,7 +36,7 @@ No base class \latexignore{\rtfignore{\wxheading{Function groups}}} -\membersection{Static functions} +\membersection{Static functions}\label{staticlogfunctions} The functions in this section work with and manipulate the active log target. The \helpref{OnLog()}{wxlogonlog} is called by the {\it wxLogXXX()} functions @@ -54,7 +54,7 @@ situations because it may easily lead to a loss of messages. \helpref{Suspend}{wxlogsuspend}\\ \helpref{Resume}{wxlogresume} -\membersection{Logging functions} +\membersection{Logging functions}\label{loggingfunctions} There are two functions which must be implemented by any derived class to actually process the log messages: \helpref{DoLog}{wxlogdolog} and @@ -72,15 +72,12 @@ night in the current time zone). There also functions to support message buffering. Why are they needed? Some of wxLog implementations, most notably the standard wxLogGui class, buffer the messages (for example, to avoid showing the user a zillion of modal -message boxes one after another - which would be really annoying). +message boxes one after another -- which would be really annoying). \helpref{Flush()}{wxlogflush} shows them all and clears the buffer contents. -Although this function doesn't do anything if the buffer is already empty, -\helpref{HasPendingMessages()}{wxloghaspendingmessages} is also provided which -allows to explicitly verify it. +This function doesn't do anything if the buffer is already empty. \helpref{Flush}{wxlogflush}\\ -\helpref{FlushActive}{wxlogflushactive}\\ -\helpref{HasPendingMessages}{wxloghaspendingmessages} +\helpref{FlushActive}{wxlogflushactive} \membersection{Customization}\label{wxlogcustomization} @@ -175,6 +172,7 @@ Add the {\it mask} to the list of allowed masks for \helpref{wxLogTrace}{wxlogtrace}. \wxheading{See also} + \helpref{RemoveTraceMask}{wxlogremovetracemask} \helpref{GetTraceMasks}{wxloggettracemasks} @@ -186,15 +184,17 @@ Removes all trace masks previously set with \helpref{AddTraceMask}{wxlogaddtracemask}. \wxheading{See also} + \helpref{RemoveTraceMask}{wxlogremovetracemask} \membersection{wxLog::GetTraceMasks}\label{wxloggettracemasks} -\func{static const wxArrayString &}{GetTraceMasks}{\void} +\func{static const wxArrayString \&}{GetTraceMasks}{\void} Returns the currently allowed list of string trace masks. \wxheading{See also} + \helpref{AddTraceMask}{wxlogaddtracemask}. \membersection{wxLog::OnLog}\label{wxlogonlog} @@ -215,7 +215,9 @@ Returns the pointer to the active log target (may be NULL). \func{static wxLog *}{SetActiveTarget}{\param{wxLog * }{ logtarget}} Sets the specified log target as the active one. Returns the pointer to the -previous active log target (may be NULL). +previous active log target (may be NULL). To supress logging use a new +instance of wxLogNull not NULL. If the active log target is set to NULL a +new default log target will be created when logging occurs. \membersection{wxLog::Suspend}\label{wxlogsuspend} @@ -231,7 +233,7 @@ logging immediately without waiting for \helpref{Flush}{wxlogflush} to be called (the standard GUI log target only shows the log dialog when it is flushed, so Suspend() works as expected with it). -\wxheading{See also:} +\wxheading{See also} \helpref{Resume}{wxlogresume},\\ \helpref{wxLogNull}{wxlogoverview} @@ -290,20 +292,13 @@ is already empty, nothing happens. Flushes the current log target if any, does nothing if there is none. -See also: +\wxheading{See also} \helpref{Flush}{wxlogflush} -\membersection{wxLog::HasPendingMessages}\label{wxloghaspendingmessages} - -\constfunc{bool}{HasPendingMessages}{\void} - -Returns true if there are any messages in the buffer (not yet shown to the -user). (Almost) for internal use only. - \membersection{wxLog::SetVerbose}\label{wxlogsetverbose} -\func{static void}{SetVerbose}{\param{bool }{ verbose = TRUE}} +\func{static void}{SetVerbose}{\param{bool }{ verbose = true}} Activates or deactivates verbose mode in which the verbose messages are logged as the normal ones instead of being silently dropped. @@ -358,7 +353,7 @@ for details. \func{static bool}{IsAllowedTraceMask}{\param{const wxChar *}{mask}} -Returns TRUE if the {\it mask} is one of allowed masks for +Returns true if the {\it mask} is one of allowed masks for \helpref{wxLogTrace}{wxlogtrace}. See also: \helpref{AddTraceMask}{wxlogaddtracemask}, @@ -409,14 +404,14 @@ delete wxLog::SetActiveTarget(...something else or NULL...); \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxLogChain::wxLogChain}\label{wxlogchainwxlogchain} +\membersection{wxLogChain::wxLogChain}\label{wxlogchainctor} \func{}{wxLogChain}{\param{wxLog *}{logger}} Sets the specified {\tt logger} (which may be {\tt NULL}) as the default log target but the log messages are also passed to the previous log target if any. -\membersection{wxLogChain::\destruct{wxLogChain}} +\membersection{wxLogChain::\destruct{wxLogChain}}\label{wxlogchaindtor} \func{}{\destruct{wxLogChain}}{\void} @@ -433,8 +428,8 @@ NULL}). \constfunc{bool}{IsPassingMessages}{\void} -Returns {\tt TRUE} if the messages are passed to the previously active log -target (default) or {\tt FALSE} if \helpref{PassMessages}{wxlogchainpassmessages} +Returns {\tt true} if the messages are passed to the previously active log +target (default) or {\tt false} if \helpref{PassMessages}{wxlogchainpassmessages} had been called. \membersection{wxLogChain::PassMessages}\label{wxlogchainpassmessages} @@ -442,17 +437,17 @@ had been called. \func{void}{PassMessages}{\param{bool }{passMessages}} By default, the log messages are passed to the previously active log target. -Calling this function with {\tt FALSE} parameter disables this behaviour +Calling this function with {\tt false} parameter disables this behaviour (presumably temporarily, as you shouldn't use wxLogChain at all otherwise) and it can be reenabled by calling it again with {\it passMessages} set to {\tt -TRUE}. +true}. \membersection{wxLogChain::SetLog}\label{wxlogchainsetlog} \func{void}{SetLog}{\param{wxLog *}{logger}} Sets another log target to use (may be {\tt NULL}). The log target specified -in the \helpref{constructor}{wxlogchainwxlogchain} or in a previous call to +in the \helpref{constructor}{wxlogchainctor} or in a previous call to this function is deleted. This doesn't change the old log target value (the one the messages are @@ -463,9 +458,9 @@ object was created. \section{\class{wxLogGui}}\label{wxloggui} -This is the default log target for the GUI wxWindows applications. It is passed +This is the default log target for the GUI wxWidgets applications. It is passed to \helpref{wxLog::SetActiveTarget}{wxlogsetactivetarget} at the program -startup and is deleted by wxWindows during the program shut down. +startup and is deleted by wxWidgets during the program shut down. \wxheading{Derived from} @@ -477,7 +472,7 @@ startup and is deleted by wxWindows during the program shut down. \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxLogGui::wxLogGui} +\membersection{wxLogGui::wxLogGui}\label{wxlogguictor} \func{}{wxLogGui}{\void} @@ -490,7 +485,7 @@ Default constructor. This class allows to temporarily suspend logging. All calls to the log functions during the life time of an object of this class are just ignored. -In particular, it can be used to suppress the log messages given by wxWindows +In particular, it can be used to suppress the log messages given by wxWidgets itself but it should be noted that it is rarely the best way to cope with this problem as {\bf all} log messages are suppressed, even if they indicate a completely different error than the one the programmer wanted to suppress. @@ -510,7 +505,7 @@ For instance, the example of the overview: wxLogMessage("..."); // ok \end{verbatim} -} +}% would be better written as: @@ -530,7 +525,7 @@ would be better written as: ... } \end{verbatim} -} +}% \wxheading{Derived from} @@ -542,13 +537,13 @@ would be better written as: \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxLogNull::wxLogNull} +\membersection{wxLogNull::wxLogNull}\label{wxlognullctor} \func{}{wxLogNull}{\void} Suspends logging. -\membersection{wxLogNull::\destruct{wxLogNull}} +\membersection{wxLogNull::\destruct{wxLogNull}}\label{wxlognulldtor} Resumes logging. @@ -585,7 +580,7 @@ Default ctor installs this object as the current active log target. This class can be used to redirect the log messages to a C file stream (not to be confused with C++ streams). It is the default log target for the non-GUI -wxWindows applications which send all the output to {\tt stderr}. +wxWidgets applications which send all the output to {\tt stderr}. \wxheading{Derived from} @@ -601,7 +596,7 @@ wxWindows applications which send all the output to {\tt stderr}. \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxLogStderr::wxLogStderr} +\membersection{wxLogStderr::wxLogStderr}\label{wxlogstderrctor} \func{}{wxLogStderr}{\param{FILE }{*fp = NULL}} @@ -614,7 +609,7 @@ Constructs a log target which sends all the log messages to the given This class can be used to redirect the log messages to a C++ stream. -Please note that this class is only available if wxWindows was compiled with +Please note that this class is only available if wxWidgets was compiled with the standard iostream library support ({\tt wxUSE\_STD\_IOSTREAM} must be on). \wxheading{Derived from} @@ -632,7 +627,7 @@ the standard iostream library support ({\tt wxUSE\_STD\_IOSTREAM} must be on). \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxLogStream::wxLogStream} +\membersection{wxLogStream::wxLogStream}\label{wxlogstreamctor} \func{}{wxLogStream}{\param{std::ostream }{*ostr = NULL}} @@ -662,7 +657,7 @@ caller previously. \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxLogTextCtrl::wxLogTextCtrl} +\membersection{wxLogTextCtrl::wxLogTextCtrl}\label{wxlogtextctrlctor} \func{}{wxLogTextCtrl}{\param{wxTextCtrl }{*textctrl}} @@ -693,9 +688,9 @@ them normally by showing the standard log dialog. \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxLogWindow::wxLogWindow} +\membersection{wxLogWindow::wxLogWindow}\label{wxlogwindowctor} -\func{}{wxLogWindow}{\param{wxFrame }{*parent}, \param{const wxChar }{*title}, \param{bool }{show = {\tt TRUE}}, \param{bool }{passToOld = {\tt TRUE}}} +\func{}{wxLogWindow}{\param{wxFrame }{*parent}, \param{const wxChar }{*title}, \param{bool }{show = {\tt true}}, \param{bool }{passToOld = {\tt true}}} Creates the log frame window and starts collecting the messages in it. @@ -705,27 +700,27 @@ Creates the log frame window and starts collecting the messages in it. \docparam{title}{The title for the log frame} -\docparam{show}{{\tt TRUE} to show the frame initially (default), otherwise +\docparam{show}{{\tt true} to show the frame initially (default), otherwise \helpref{wxLogWindow::Show}{wxlogwindowshow} must be called later.} -\docparam{passToOld}{{\tt TRUE} to process the log messages normally in addition to -logging them in the log frame (default), {\tt FALSE} to only log them in the +\docparam{passToOld}{{\tt true} to process the log messages normally in addition to +logging them in the log frame (default), {\tt false} to only log them in the log frame.} \membersection{wxLogWindow::Show}\label{wxlogwindowshow} -\func{void}{Show}{\param{bool }{show = {\tt TRUE}}} +\func{void}{Show}{\param{bool }{show = {\tt true}}} Shows or hides the frame. -\membersection{wxLogWindow::GetFrame} +\membersection{wxLogWindow::GetFrame}\label{wxlogwindowgetframe} \constfunc{wxFrame *}{GetFrame}{\void} Returns the associated log frame window. This may be used to position or resize it but use \helpref{wxLogWindow::Show}{wxlogwindowshow} to show or hide it. -\membersection{wxLogWindow::OnFrameCreate} +\membersection{wxLogWindow::OnFrameCreate}\label{wxlogwindowonframecreate} \func{virtual void}{OnFrameCreate}{\param{wxFrame }{*frame}} @@ -734,13 +729,13 @@ any extra initializations. \membersection{wxLogWindow::OnFrameClose}\label{wxlogwindowonframeclose} -\func{virtual void}{OnFrameClose}{\param{wxFrame }{*frame}} +\func{virtual bool}{OnFrameClose}{\param{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 {\tt TRUE} from here to allow the frame to close, {\tt FALSE} to +Return {\tt true} from here to allow the frame to close, {\tt false} to prevent this from happening. \wxheading{See also}