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Game Programming in C++ - Start to Finish
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CEGUISDK-0.4.1-VC6-STLport.exe
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CEGUIEventSet.h
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/************************************************************************
filename: CEGUIEventSet.h
created: 21/2/2004
author: Paul D Turner
purpose: Defines class for a named collection of Event objects
*************************************************************************/
/*************************************************************************
Crazy Eddie's GUI System (http://www.cegui.org.uk)
Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*************************************************************************/
#ifndef _CEGUIEventSet_h_
#define _CEGUIEventSet_h_
#include "CEGUIBase.h"
#include "CEGUIString.h"
#include "CEGUIEvent.h"
#include "CEGUIIteratorBase.h"
#include <map>
#if defined (_MSC_VER)
# pragma warning(push)
# pragma warning(disable : 4251)
#endif
// Start of CEGUI namespace section
namespace CEGUI
{
/*!
\brief
Class that collects together a set of Event objects.
The EventSet used to collect Event objects together, and allow access
to them by a unique name
*/
class CEGUIEXPORT EventSet
{
public:
/*!
\brief
Constructor for EventSet objects
*/
EventSet();
/*!
\brief
Destructor for EventSet objects
*/
virtual ~EventSet(void);
/*!
\brief
Add a new Event to the EventSet with the given name.
\param name
String object containing the name to give the new Event. The name must be unique for the EventSet.
\return
Nothing
\exception AlreadyExistsException Thrown if an Event already exists named \a name.
*/
void addEvent(const String& name);
/*!
\brief
Removes the Event with the given name. All connections to the event are disconnected.
\param name
String object containing the name of the Event to remove. If no such Event exists, nothing happens.
\return
Nothing.
*/
void removeEvent(const String& name);
/*!
\brief
Remove all Event objects from the EventSet
\return
Nothing
*/
void removeAllEvents(void);
/*!
\brief
Checks to see if an Event with the given name is present in the EventSet.
\return
true if an Event named \a name was found, or false if the Event was not found
*/
bool isEventPresent(const String& name);
/*!
\brief
Subscribes the named Event.
\param name
String object containing the name of the Event to subscribe to.
\param subscriber
Function or object that is to be subscribed to the Event.
\return
Connection object that can be used to check the status of the Event connection and to disconnect (unsubscribe) from the Event.
\exception UnknownObjectException Thrown if an Event named \a name is not in the EventSet
*/
virtual Event::Connection subscribeEvent(const String& name, Event::Subscriber subscriber);
/*!
\brief
Subscribes the specified group of the named Event.
\param name
String object containing the name of the Event to subscribe to.
\param group
Group which is to be subscribed to. Subscription groups are called in ascending order.
\param subscriber
Function or object that is to be subscribed to the Event.
\return
Connection object that can be used to check the status of the Event connection and to disconnect (unsubscribe) from the Event.
\exception UnknownObjectException Thrown if an Event named \a name is not in the EventSet
*/
virtual Event::Connection subscribeEvent(const String& name, Event::Group group, Event::Subscriber subscriber);
/*!
\brief
Subscribes the named Event to a scripted funtion
\param name
String object containing the name of the Event to subscribe to.
\param subscriber_name
String object containing the name of the script funtion that is to be subscribed to the Event.
\return
Connection object that can be used to check the status of the Event connection and to disconnect (unsubscribe) from the Event.
\exception UnknownObjectException Thrown if an Event named \a name is not in the EventSet
*/
virtual Event::Connection subscribeScriptedEvent(const String& name, const String& subscriber_name);
/*!
\brief
Subscribes the specified group of the named Event to a scripted funtion.
\param name
String object containing the name of the Event to subscribe to.
\param group
Group which is to be subscribed to. Subscription groups are called in ascending order.
\param subscriber_name
String object containing the name of the script funtion that is to be subscribed to the Event.
\return
Connection object that can be used to check the status of the Event connection and to disconnect (unsubscribe) from the Event.
\exception UnknownObjectException Thrown if an Event named \a name is not in the EventSet
*/
virtual Event::Connection subscribeScriptedEvent(const String& name, Event::Group group, const String& subscriber_name);
/*!
\brief
Fires the named event passing the given EventArgs object.
\param name
String object holding the name of the Event that is to be fired (triggered)
\param args
The EventArgs (or derived) object that is to be bassed to each subscriber of the Event. Once all subscribers
have been called the 'handled' field of the event is updated appropriately.
\param eventNamespace
String object describing the global event namespace prefix for this event.
\return
Nothing.
\exception UnknownObjectException Thrown if no Event named \a name was found in the EventSet.
*/
virtual void fireEvent(const String& name, EventArgs& args, const String& eventNamespace = "");
/*!
\brief
Return whether the EventSet is muted or not.
\return
- true if the EventSet is muted. All requests to fire events will be ignored.
- false if the EventSet is not muted. All requests to fire events are processed as normal.
*/
bool isMuted(void) const;
/*!
\brief
Set the mute state for this EventSet.
\param setting
- true if the EventSet is to be muted (no further event firing requests will be honoured until EventSet is unmuted).
- false if the EventSet is not to be muted and all events should fired as requested.
\return
Nothing.
*/
void setMutedState(bool setting);
protected:
// Do not allow copying, assignment, or any other usage than simple creation.
EventSet(EventSet& e) {}
EventSet& operator=(EventSet& e) {return *this;}
typedef std::map<String, Event*> EventMap;
EventMap d_events;
bool d_muted; //!< true if events for this EventSet have been muted.
public:
/*************************************************************************
Iterator stuff
*************************************************************************/
typedef ConstBaseIterator<EventMap> EventIterator;
/*!
\brief
Return a EventSet::EventIterator object to iterate over the available events.
*/
EventIterator getIterator(void) const;
};
} // End of CEGUI namespace section
#if defined(_MSC_VER)
# pragma warning(pop)
#endif
#endif // end of guard _CEGUIEventSet_h_