Panda3D
|
00001 // Filename: event.h 00002 // Created by: drose (08Feb99) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 // Apparently some OSX system header defines EVENT_H. Go figure. 00016 #ifndef __EVENT_H__ 00017 #define __EVENT_H__ 00018 00019 #include "pandabase.h" 00020 #include "eventParameter.h" 00021 #include "typedReferenceCount.h" 00022 00023 class EventReceiver; 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : Event 00027 // Description : A named event, possibly with parameters. Anyone in 00028 // any thread may throw an event at any time; there will 00029 // be one process responsible for reading and dispacting 00030 // on the events (but not necessarily immediately). 00031 // 00032 // This function use to inherit from Namable, but that 00033 // makes it too expensive to get its name the Python 00034 // code. Now it just copies the Namable interface in. 00035 //////////////////////////////////////////////////////////////////// 00036 class EXPCL_PANDA_EVENT Event : public TypedReferenceCount { 00037 PUBLISHED: 00038 Event(const string &event_name, EventReceiver *receiver = NULL); 00039 Event(const Event ©); 00040 void operator = (const Event ©); 00041 ~Event(); 00042 00043 INLINE void set_name(const string &name); 00044 INLINE void clear_name(); 00045 INLINE bool has_name() const; 00046 INLINE const string &get_name() const; 00047 00048 void add_parameter(const EventParameter &obj); 00049 00050 int get_num_parameters() const; 00051 EventParameter get_parameter(int n) const; 00052 MAKE_SEQ(get_parameters, get_num_parameters, get_parameter); 00053 00054 bool has_receiver() const; 00055 EventReceiver *get_receiver() const; 00056 void set_receiver(EventReceiver *receiver); 00057 void clear_receiver(); 00058 00059 void output(ostream &out) const; 00060 00061 protected: 00062 typedef pvector<EventParameter> ParameterList; 00063 ParameterList _parameters; 00064 EventReceiver *_receiver; 00065 00066 private: 00067 string _name; 00068 00069 public: 00070 static TypeHandle get_class_type() { 00071 return _type_handle; 00072 } 00073 static void init_type() { 00074 TypedReferenceCount::init_type(); 00075 register_type(_type_handle, "Event", 00076 TypedReferenceCount::get_class_type()); 00077 } 00078 virtual TypeHandle get_type() const { 00079 return get_class_type(); 00080 } 00081 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00082 00083 private: 00084 static TypeHandle _type_handle; 00085 }; 00086 00087 INLINE ostream &operator << (ostream &out, const Event &n); 00088 00089 #include "event.I" 00090 00091 #endif