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source: orxonox.OLD/trunk/src/lib/event/event_handler.h @ 8530

Last change on this file since 8530 was 8148, checked in by bensch, 19 years ago

trunk: output of EventListener Nicer

File size: 2.5 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"
[7919]13#include "event.h"
[7164]14#include <stack>
[7756]15#include <vector>
[4329]16
[4834]17// FORWARD DECLARATION
[4346]18class EventListener;
[4329]19
[4346]20//! The one Event Handler from Orxonox
[8148]21class EventHandler : public BaseObject
22{
[4346]23
[8148]24public:
[4746]25  virtual ~EventHandler();
[4836]26  /** @returns a Pointer to the only object of this Class */
[4746]27  inline static EventHandler* getInstance() { if (!singletonRef) singletonRef = new EventHandler();  return singletonRef; };
[7256]28  void init();
[4407]29
[7919]30  void setState(elState state);
[5093]31  /** @returns the current state */
[8148]32inline elState getState() const { return this->state; };
[4350]33
[5388]34  void pushState(elState state);
35  elState popState();
36
[4405]37  void subscribe(EventListener* el, elState state, int eventType);
[7868]38  void unsubscribe(EventListener* el, elState state, int eventType);
[4420]39  void unsubscribe(EventListener* el, elState state = ES_ALL);
[4364]40  void flush(elState state);
[5309]41  /** @returns true, if the @param state has @param eventType subscribed?? */
[7756]42  bool isSubscribed(elState state, int eventType);
[4346]43
[5786]44
[7919]45  void withUNICODE(elState state, bool enableUNICODE);
[5978]46  void grabEvents(bool grabEvents);
[6054]47  bool grabbedEvents() const { return this->eventsGrabbed; };
[5786]48
[7919]49  void process() const;
50  void dispachEvent(elState state, const Event& event) const;
[4346]51
[5237]52  static int eventFilter(const SDL_Event *event);
[4872]53  void debug() const;
54
[8148]55  static const std::string& ELStateToString(elState state);
56  static elState StringToELState(const std::string& stateName);
57
58private:
[4746]59  EventHandler();
[4352]60
[7919]61  bool findListener(std::vector<EventListener*>::iterator* it, elState state, int eventType, EventListener* listener);
62
[8148]63public:
64  static const std::string     stateNames[];
65
66private:
[7756]67  static EventHandler*         singletonRef;                    //!< the singleton reference
[4780]68
[7756]69  std::vector<EventListener*>  listeners[ES_NUMBER][EV_NUMBER]; //!< a list of registered listeners.
70  elState                      state;                           //!< the state of the event handlder.
71  std::stack<short>            stateStack;                      //!< a stack for the States we are in.
72  KeyMapper                    keyMapper;                       //!< reference to the key mapper.
[5388]73
[7919]74  bool                         bUNICODE[ES_NUMBER];             //!< If unicode should be enabled.
[7756]75  bool                         eventsGrabbed;                   //!< If the events should be grabbed
[4329]76};
77
[5237]78
[4346]79#endif /* _EVENT_HANDLER_H */
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