sdltimer.h

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00001 /*
00002   libwt - Vassilis Virvilis Toolkit - a widget library
00003   Copyright (C) 2006 Vassilis Virvilis <vasvir2@fastmail.fm>
00004  
00005   This library is free software; you can redistribute it and/or
00006   modify it under the terms of the GNU Lesser General Public
00007   License as published by the Free Software Foundation; either
00008   version 2.1 of the License, or (at your option) any later version.
00009   
00010   This library is distributed in the hope that it will be useful,
00011   but WITHOUT ANY WARRANTY; without even the implied warranty of
00012   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013   Lesser General Public License for more details.
00014   
00015   You should have received a copy of the GNU Lesser General Public
00016   License along with this library; if not, write to the
00017   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018   Boston, MA  02111-1307, SA.
00019 */
00020 
00021 #ifndef WT_SDLTIMER_H
00022 #define WT_SDLTIMER_H
00023 
00024 /// \todo get rid of SDL/SDL_timer.h inclusion
00025 #include <SDL/SDL_timer.h>
00026 
00027 union SDL_Event;
00028 
00029 namespace Wt {
00030 
00031 class Object;
00032 
00033 class SDLTimer {
00034 public:
00035     SDLTimer(Object *receiver, int id, int interval);
00036     ~SDLTimer();
00037     void scheduleNext();
00038     int interval() const {
00039         return interval_;
00040     }
00041 
00042     static void init();
00043     static void quit();
00044 
00045     class Event {
00046     public:
00047         Event(Object *receiver, int id) :
00048                 receiver_(receiver),
00049         id_(id) {}
00050 
00051         Object *receiver() const {
00052             return receiver_;
00053         }
00054 
00055         int id() const {
00056             return id_;
00057         }
00058 
00059     private:
00060         Object *receiver_;
00061         int id_;
00062     };
00063 
00064 private:
00065     Event sdl_timer_event;
00066     SDL_TimerID timerid_;
00067     int interval_;
00068 
00069     static void handleTimerEvent(const SDL_Event *event);
00070 };
00071 
00072 } // namespace
00073 
00074 #endif //WT_SDLTIMER_H

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