changed wxLog::OnLog(String) to take wxString instead of wxChar* to avoid unnecessary...

[wxWidgets.git] / docs / latex / wx / timer.tex

diff --git a/docs/latex/wx/timer.tex b/docs/latex/wx/timer.tex
index 05e5f0e1c7853e299c2fd1cf05ff1c128a72d04b..dc7ba28b1868cbb6f21da4c7a8c85358adff00c0 100644 (file)
--- a/docs/latex/wx/timer.tex
+++ b/docs/latex/wx/timer.tex
@@ -4,24 +4,31 @@ The wxTimer class allows you to execute code at specified intervals. Its
 precision is platform-dependent, but in general will not be better than 1ms nor
 worse than 1s.
 
 precision is platform-dependent, but in general will not be better than 1ms nor
 worse than 1s.
 

-There are two different ways to use this class:
+There are three different ways to use this class:

 
 \begin{enumerate}
 \item You may derive a new class from wxTimer and override the 
 \helpref{Notify}{wxtimernotify} member to perform the required action.
 \item Or you may redirect the notifications to any 
 
 \begin{enumerate}
 \item You may derive a new class from wxTimer and override the 
 \helpref{Notify}{wxtimernotify} member to perform the required action.
 \item Or you may redirect the notifications to any 

-\helpref{wxEvtHandler}{wxevthandler} derived object by using the non default
-constructor or \helpref{SetOwner}{wxtimersetowner}. Then use {\tt EVT\_TIMER} 
+\helpref{wxEvtHandler}{wxevthandler} derived object by using the non-default
+constructor or \helpref{SetOwner}{wxtimersetowner}. Then use the {\tt EVT\_TIMER} 

 macro to connect it to the event handler which will receive 
 \helpref{wxTimerEvent}{wxtimerevent} notifications.
 macro to connect it to the event handler which will receive 
 \helpref{wxTimerEvent}{wxtimerevent} notifications.

+\item Or you may use a derived class and the {\tt EVT\_TIMER} 
+macro to connect it to an event handler defined in the derived class.
+If the default constructor is used, the timer object will be its
+own owner object, since it is derived from wxEvtHandler.

 \end{enumerate}
 
 In any case, you must start the timer with \helpref{Start}{wxtimerstart} 
 after constructing it before it actually starts sending notifications. It can
 be stopped later with \helpref{Stop}{wxtimerstop}.
 
 \end{enumerate}
 
 In any case, you must start the timer with \helpref{Start}{wxtimerstart} 
 after constructing it before it actually starts sending notifications. It can
 be stopped later with \helpref{Stop}{wxtimerstop}.
 

+{\bf Note:} A timer can only be used from the main thread.
+

 \wxheading{Derived from}
 
 \wxheading{Derived from}
 

+\helpref{wxEvtHandler}{wxevthandler}

 \helpref{wxObject}{wxobject}
 
 \wxheading{Include files}
 \helpref{wxObject}{wxobject}
 
 \wxheading{Include files}


@@ -30,11 +37,11 @@ be stopped later with \helpref{Stop}{wxtimerstop}.
 
 \wxheading{See also}
 
 
 \wxheading{See also}
 

-\helpref{::wxStartTimer}{wxstarttimer}, \helpref{::wxGetElapsedTime}{wxgetelapsedtime}, \helpref{wxStopWatch}{wxstopwatch}
+\helpref{wxStopWatch}{wxstopwatch}

 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 

-\membersection{wxTimer::wxTimer}{wxtimerctordef}
+\membersection{wxTimer::wxTimer}\label{wxtimerwxtimer}

 
 \func{}{wxTimer}{\void}
 
 
 \func{}{wxTimer}{\void}
 


@@ -42,39 +49,51 @@ Default constructor. If you use it to construct the object and don't call
 \helpref{SetOwner}{wxtimersetowner} later, you must override 
 \helpref{Notify}{wxtimernotify} method to process the notifications.
 
 \helpref{SetOwner}{wxtimersetowner} later, you must override 
 \helpref{Notify}{wxtimernotify} method to process the notifications.
 

-\membersection{wxTimer::wxTimer}{wxtimerwxtimer}
-

 \func{}{wxTimer}{\param{wxEvtHandler *}{owner}, \param{int }{id = -1}}
 
 Creates a timer and associates it with {\it owner}. Please see 
 \helpref{SetOwner}{wxtimersetowner} for the description of parameters.
 
 \func{}{wxTimer}{\param{wxEvtHandler *}{owner}, \param{int }{id = -1}}
 
 Creates a timer and associates it with {\it owner}. Please see 
 \helpref{SetOwner}{wxtimersetowner} for the description of parameters.
 

-\membersection{wxTimer::\destruct{wxTimer}}
+\membersection{wxTimer::\destruct{wxTimer}}\label{wxtimerdtor}

 
 \func{}{\destruct{wxTimer}}{\void}
 
 Destructor. Stops the timer if it is running.
 
 
 \func{}{\destruct{wxTimer}}{\void}
 
 Destructor. Stops the timer if it is running.
 

-\membersection{wxTimer::GetInterval}{wxtimergetinterval}
+\membersection{wxTimer::GetInterval}\label{wxtimergetinterval}

 
 \constfunc{int}{GetInterval}{\void}
 
 Returns the current interval for the timer (in milliseconds).
 
 
 \constfunc{int}{GetInterval}{\void}
 
 Returns the current interval for the timer (in milliseconds).
 

-\membersection{wxTimer::IsOneShot}{wxtimerisoneshot}
+\membersection{wxTimer::GetOwner}\label{wxtimergetowner}
+
+\constfunc{wxEvtHandler}{GetOwner}{\void}
+
+Returns the current {\it owner} of the timer.
+If non-\NULL this is the event handler which will receive the 
+\helpref{timer events}{wxtimerevent} when the timer is running.
+
+\membersection{wxTimer::GetId}\label{wxtimergetid}
+
+\constfunc{int}{GetId}{\void}
+
+Returns the ID of the events generated by this timer.
+
+\membersection{wxTimer::IsOneShot}\label{wxtimerisoneshot}

 
 \constfunc{bool}{IsOneShot}{\void}
 
 
 \constfunc{bool}{IsOneShot}{\void}
 

-Returns TRUE if the timer is one shot, i.e. if it will stop after firing the
+Returns {\tt true} if the timer is one shot, i.e.\ if it will stop after firing the

 first notification automatically.
 
 first notification automatically.
 

-\membersection{wxTimer::IsRunning}{wxtimerisrunning}
+\membersection{wxTimer::IsRunning}\label{wxtimerisrunning}

 
 \constfunc{bool}{IsRunning}{\void}
 
 
 \constfunc{bool}{IsRunning}{\void}
 

-Returns TRUE if the timer is running, FALSE if it is stopped.
+Returns {\tt true} if the timer is running, {\tt false} if it is stopped.

 
 

-\membersection{wxTimer::Notify}{wxtimernotify}
+\membersection{wxTimer::Notify}\label{wxtimernotify}

 
 \func{void}{Notify}{\void}
 
 
 \func{void}{Notify}{\void}
 


@@ -83,32 +102,49 @@ used and \helpref{SetOwner}{wxtimersetowner} wasn't called.
 
 Perform whatever action which is to be taken periodically here.
 
 
 Perform whatever action which is to be taken periodically here.
 

-\membersection{wxTimer::SetOwner}{wxtimersetowner}
+\membersection{wxTimer::SetOwner}\label{wxtimersetowner}

 
 \func{void}{SetOwner}{\param{wxEvtHandler *}{owner}, \param{int }{id = -1}}
 
 
 \func{void}{SetOwner}{\param{wxEvtHandler *}{owner}, \param{int }{id = -1}}
 

-Associates the timer with the given {\it owner} object. When the timer is
+Associates the timer with the given {\it owner}\/ object. When the timer is

 running, the owner will receive \helpref{timer events}{wxtimerevent} with
 running, the owner will receive \helpref{timer events}{wxtimerevent} with

-id equal to {\it id} specified here.
+id equal to {\it id}\/ specified here.
+
+\membersection{wxTimer::Start}\label{wxtimerstart}
+
+\func{bool}{Start}{\param{int }{milliseconds = -1}, \param{bool }{oneShot = {\tt false}}}

 
 

-\membersection{wxTimer::Start}{wxtimerstart}
+(Re)starts the timer. If {\it milliseconds}\/ parameter is -1 (value by default),
+the previous value is used. Returns {\tt false} if the timer could not be started,
+{\tt true} otherwise (in MS Windows timers are a limited resource).

 
 

-\func{bool}{Start}{\param{int}{ milliseconds = -1}, \param{bool}{ oneShot=FALSE}}
+If {\it oneShot}\/ is {\tt false} (the default), the \helpref{Notify}{wxtimernotify} 
+function will be called repeatedly until the timer is stopped. If {\tt true},
+it will be called only once and the timer will stop automatically. To make your
+code more readable you may also use the following symbolic constants:

 
 

-(Re)starts the timer. If {\it milliseconds} parameter is -1 (value by default),
-the previous value is used. Returns FALSE if the timer could not be started,
-TRUE otherwise (in MS Windows timers are a limited resource).
+\twocolwidtha{5cm}
+\begin{twocollist}\itemsep=0pt
+\twocolitem{wxTIMER\_CONTINUOUS}{Start a normal, continuously running, timer}
+\twocolitem{wxTIMER\_ONE\_SHOT}{Start a one shot timer}
+\end{twocollist}

 
 

-If {\it oneShot} is FALSE (the default), the \helpref{Notify}{wxtimernotify} 
-function will be called repeatedly until the timer is stopped. If TRUE,
-it will be called only once and the timer will stop automatically.
+If the timer was already running, it will be stopped by this method before
+restarting it.

 
 

-\membersection{wxTimer::Stop}{wxtimerstop}
+\membersection{wxTimer::Stop}\label{wxtimerstop}

 
 \func{void}{Stop}{\void}
 
 Stops the timer.
 
 
 \func{void}{Stop}{\void}
 
 Stops the timer.
 

+
+
+
+
+%% wxTimerEvent
+
+

 \section{\class{wxTimerEvent}}\label{wxtimerevent}
 
 wxTimerEvent object is passed to the event handler of timer events.
 \section{\class{wxTimerEvent}}\label{wxtimerevent}
 
 wxTimerEvent object is passed to the event handler of timer events.


@@ -143,6 +179,10 @@ void MyFrame::OnTimer(wxTimerEvent& event)
 
 \end{verbatim}
 
 
 \end{verbatim}
 

+\wxheading{Derived from}
+
+\helpref{wxEvent}{wxevent}
+

 \wxheading{Include files}
 
 <wx/timer.h>
 \wxheading{Include files}
 
 <wx/timer.h>


@@ -153,54 +193,16 @@ void MyFrame::OnTimer(wxTimerEvent& event)
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 

-\membersection{wxTimerEvent::GetInterval}{wxtimereventgetinterval}
+\membersection{wxTimerEvent::GetInterval}\label{wxtimereventgetinterval}

 
 \constfunc{int}{GetInterval}{\void}
 
 Returns the interval of the timer which generated this event.
 
 
 \constfunc{int}{GetInterval}{\void}
 
 Returns the interval of the timer which generated this event.
 

-\section{\class{wxStopWatch}}\label{wxstopwatch}
-
-The wxStopWatch class allow you to measure time intervalls. 
-
-\wxheading{Include files}
-
-<wx/timer.h>
-
-\wxheading{See also}
-
-\helpref{::wxStartTimer}{wxstarttimer}, \helpref{::wxGetElapsedTime}{wxgetelapsedtime}, \helpref{wxTimer}{wxtimer}
-
-\latexignore{\rtfignore{\wxheading{Members}}}
-
-\membersection{wxStopWatch::wxStopWatch}
-
-\func{}{wxStopWatch}{\void}
-
-Constructor. This starts the stop watch.
-
-\membersection{wxStopWatch::Pause}\label{wxstopwatchpause}
-
-\func{void}{Pause}{\void}
-
-Pauses the stop watch. Call \helpref{wxStopWatch::Resume}{wxstopwatchresume} to resume 
-time measuring again.
-
-\membersection{wxStopWatch::Start}
-
-\func{void}{Start}{\param{long}{ milliseconds = 0}}
-
-(Re)starts the stop watch with a given initial value.
-
-\membersection{wxStopWatch::Resume}\label{wxstopwatchresume}
-
-\func{void}{Resume}{\void}

 
 

-Resumes the stop watch after having been paused with \helpref{wxStopWatch::Pause}{wxstopwatchpause}.
+\membersection{wxTimerEvent::GetTimer}\label{wxtimereventgettimer}

 
 

-\membersection{wxStopWatch::Time}
+\constfunc{wxTimer\&}{GetTimer}{\void}

 
 

-\func{long}{Time}{\void}\label{wxstopwatchtime}
+Returns the timer object which generated this event.

 
 

-Returns the time in milliseconds since the start (or restart) or the last call of 
-\helpref{wxStopWatch::Pause}{wxstopwatchpause}.