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source: orxonox.OLD/trunk/src/lib/event/event_handler.h @ 7635

Last change on this file since 7635 was 7256, checked in by bensch, 18 years ago

orxonox/trunk: merged the preferences back to the trunk
merged with command:
svn merge https://svn.orxonox.net/orxonox/branches/preferences . -r7233:HEAD
no conflicts… nice work

File size: 2.2 KB
RevLine 
[4780]1/*!
[5039]2 * @file event_handler.h
3 * Definition of the EventHandler
4 *
5 */
[4780]6
[4346]7#ifndef _EVENT_HANDLER_H
8#define _EVENT_HANDLER_H
[4329]9
10#include "base_object.h"
[4405]11#include "key_mapper.h"
[4352]12#include "event_def.h"
[7164]13#include <stack>
[4329]14
[4834]15// FORWARD DECLARATION
[4346]16class EventListener;
[4329]17
[4346]18//! The one Event Handler from Orxonox
19class EventHandler : public BaseObject {
20
[4329]21 public:
[4746]22  virtual ~EventHandler();
[4836]23  /** @returns a Pointer to the only object of this Class */
[4746]24  inline static EventHandler* getInstance() { if (!singletonRef) singletonRef = new EventHandler();  return singletonRef; };
[7256]25  void init();
[4407]26
[5093]27  /** @param state: to which the event handler shall change */
28  inline void setState(elState state) { this->state = state; };
29  /** @returns the current state */
30  inline elState getState() const { return this->state; };
[4350]31
[5388]32  void pushState(elState state);
33  elState popState();
34
[4405]35  void subscribe(EventListener* el, elState state, int eventType);
[4419]36  void unsubscribe(elState state, int eventType);
[4420]37  void unsubscribe(EventListener* el, elState state = ES_ALL);
[4364]38  void flush(elState state);
[5309]39  /** @returns true, if the @param state has @param eventType subscribed?? */
40  inline bool isSubscribed(elState state, int eventType) { return(listeners[state][eventType] == NULL)?false:true; };
[4346]41
[5786]42
43  void withUNICODE(bool enableUNICODE);
[5978]44  void grabEvents(bool grabEvents);
[6054]45  bool grabbedEvents() const { return this->eventsGrabbed; };
[5786]46
[4352]47  void process();
[4346]48
[5237]49  static int eventFilter(const SDL_Event *event);
[4872]50  void debug() const;
51
[4329]52 private:
[4746]53  EventHandler();
[4352]54
[4368]55 private:
[5210]56  static EventHandler*       singletonRef;                    //!< the singleton reference
[4780]57
[5388]58  EventListener*             listeners[ES_NUMBER][EV_NUMBER]; //!< a list of registered listeners.
59  elState                    state;                           //!< the state of the event handlder.
[7164]60  std::stack<short>          stateStack;                      //!< a stack for the States we are in.
[5388]61  KeyMapper*                 keyMapper;                       //!< reference to the key mapper.
62
[5786]63  bool                       bUNICODE;                        //!< If unicode should be enabled.
[5978]64  bool                       eventsGrabbed;                   //!< If the events should be grabbed
[4329]65};
66
[5237]67
[4346]68#endif /* _EVENT_HANDLER_H */
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