remaining t*h interface revisions
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56076 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -9,27 +9,26 @@
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/**
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@class wxTimer
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The wxTimer class allows you to execute code at specified intervals. Its
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precision is platform-dependent, but in general will not be better than 1ms nor
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worse than 1s.
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The wxTimer class allows you to execute code at specified intervals.
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Its precision is platform-dependent, but in general will not be better than
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@c 1ms nor worse than @c 1s.
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There are three different ways to use this class:
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You may derive a new class from wxTimer and override the
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wxTimer::Notify member to perform the required action.
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Or you may redirect the notifications to any
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wxEvtHandler derived object by using the non-default
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constructor or wxTimer::SetOwner. Then use the @c EVT_TIMER
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macro to connect it to the event handler which will receive
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wxTimerEvent notifications.
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Or you may use a derived class and the @c EVT_TIMER
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macro to connect it to an event handler defined in the derived class.
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If the default constructor is used, the timer object will be its
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own owner object, since it is derived from wxEvtHandler.
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- You may derive a new class from wxTimer and override the
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wxTimer::Notify member to perform the required action.
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- You may redirect the notifications to any wxEvtHandler derived object by
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using the non-default constructor or wxTimer::SetOwner.
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Then use the @c EVT_TIMER macro to connect it to the event handler which
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will receive wxTimerEvent notifications.
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- You may use a derived class and the @c EVT_TIMER macro to connect it to
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an event handler defined in the derived class. If the default constructor
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is used, the timer object will be its own owner object, since it is
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derived from wxEvtHandler.
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In any case, you must start the timer with wxTimer::Start
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after constructing it before it actually starts sending notifications. It can
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be stopped later with wxTimer::Stop.
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In any case, you must start the timer with wxTimer::Start() after constructing
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it before it actually starts sending notifications.
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It can be stopped later with wxTimer::Stop().
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@note A timer can only be used from the main thread.
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@@ -41,14 +40,18 @@
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class wxTimer : public wxEvtHandler
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{
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public:
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//@{
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/**
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Creates a timer and associates it with @e owner. Please see
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SetOwner() for the description of parameters.
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Default constructor.
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If you use it to construct the object and don't call SetOwner() later,
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you must override Notify() method to process the notifications.
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*/
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wxTimer();
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/**
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Creates a timer and associates it with @a owner.
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Please see SetOwner() for the description of parameters.
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*/
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wxTimer(wxEvtHandler* owner, int id = -1);
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//@}
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/**
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Destructor. Stops the timer if it is running.
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@@ -67,14 +70,15 @@ public:
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/**
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Returns the current @e owner of the timer.
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If non-@NULL this is the event handler which will receive the
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@ref overview_wxtimerevent "timer events" when the timer is running.
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timer events (see wxTimerEvent) when the timer is running.
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*/
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wxEvtHandler GetOwner() const;
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/**
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Returns @true if the timer is one shot, i.e. if it will stop after firing the
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first notification automatically.
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Returns @true if the timer is one shot, i.e. if it will stop after firing
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the first notification automatically.
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*/
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bool IsOneShot() const;
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@@ -86,14 +90,16 @@ public:
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/**
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This member should be overridden by the user if the default constructor was
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used and SetOwner() wasn't called.
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Perform whatever action which is to be taken periodically here.
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*/
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virtual void Notify();
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/**
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Associates the timer with the given @a owner object. When the timer is
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running, the owner will receive @ref overview_wxtimerevent "timer events" with
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id equal to @a id specified here.
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Associates the timer with the given @a owner object.
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When the timer is running, the owner will receive timer events (see wxTimerEvent)
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with @a id equal to @a id specified here.
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*/
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void SetOwner(wxEvtHandler* owner, int id = -1);
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@@ -101,19 +107,14 @@ public:
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(Re)starts the timer. If @a milliseconds parameter is -1 (value by default),
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the previous value is used. Returns @false if the timer could not be started,
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@true otherwise (in MS Windows timers are a limited resource).
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If @a oneShot is @false (the default), the Notify()
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function will be called repeatedly until the timer is stopped. If @true,
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it will be called only once and the timer will stop automatically. To make your
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code more readable you may also use the following symbolic constants:
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wxTIMER_CONTINUOUS
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Start a normal, continuously running, timer
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wxTIMER_ONE_SHOT
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Start a one shot timer
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If @a oneShot is @false (the default), the Notify() function will be called
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repeatedly until the timer is stopped.
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If @true, it will be called only once and the timer will stop automatically.
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To make your code more readable you may also use the following symbolic constants:
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- wxTIMER_CONTINUOUS: Start a normal, continuously running, timer
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- wxTIMER_ONE_SHOT: Start a one shot timer
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If the timer was already running, it will be stopped by this method before
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restarting it.
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*/
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