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include/cinder/app/TouchEvent.h

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00001 /*
00002  Copyright (c) 2010, The Cinder Project: http://libcinder.org
00003  All rights reserved.
00004 
00005  Redistribution and use in source and binary forms, with or without modification, are permitted provided that
00006  the following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and
00009     the following disclaimer.
00010     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
00011     the following disclaimer in the documentation and/or other materials provided with the distribution.
00012 
00013  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
00014  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00015  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
00016  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00017  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00018  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00019  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00020  POSSIBILITY OF SUCH DAMAGE.
00021 */
00022 
00023 #pragma once
00024 
00025 #include "cinder/Cinder.h"
00026 #include "cinder/app/Event.h"
00027 #include "cinder/Vector.h"
00028 
00029 #include <vector>
00030 
00031 namespace cinder { namespace app {
00032 
00034 class TouchEvent : public Event {
00035   public:
00036     class Touch {
00037       public:
00038         Touch( const Vec2f &pos, const Vec2f &prevPos, uint32_t id, double time, void *native )
00039             : mPos( pos ), mPrevPos( prevPos ), mId( id ), mTime( time ), mNative( native ) {}
00040     
00042         float       getX() const { return mPos.x; }
00044         float       getY() const { return mPos.y; }     
00046         Vec2f       getPos() const { return mPos; }
00048         float       getPrevX() const { return mPrevPos.x; }
00050         float       getPrevY() const { return mPrevPos.y; }     
00052         Vec2f       getPrevPos() const { return mPrevPos; }
00054         uint32_t    getId() const { return mId; }
00056         double      getTime() const { return mTime; }
00058         const void* getNative() const { return mNative; }
00059         
00060       private:
00061         Vec2f       mPos, mPrevPos;
00062         uint32_t    mId;
00063         double      mTime;
00064         void        *mNative;
00065     };
00066   
00067     TouchEvent() : Event() {}
00068     TouchEvent( const std::vector<Touch> &touches )
00069         : Event(), mTouches( touches )
00070     {}
00071     
00073     const std::vector<Touch>&   getTouches() const { return mTouches; }
00074     
00075   private:
00076     std::vector<Touch>      mTouches;
00077 };
00078 
00079 inline std::ostream& operator<<( std::ostream &out, const TouchEvent::Touch &touch )
00080 {
00081     out << touch.getId() << ": " << touch.getPos() << " @ " << touch.getTime() << "s";
00082     return out;
00083 }
00084 
00085 inline std::ostream& operator<<( std::ostream &out, const TouchEvent &event )
00086 {
00087     out << "{" << std::endl;
00088     for( std::vector<TouchEvent::Touch>::const_iterator tIt = event.getTouches().begin(); tIt != event.getTouches().end(); ++tIt )
00089         out << "  " << *tIt << std::endl;
00090     out << "}";
00091     return out;
00092 }
00093 
00094 } } // namespace cinder::app