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include/cinder/app/AppCocoaTouch.h

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00001 /*
00002  Copyright (c) 2010, The Barbarian Group
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/App/App.h"
00026 #include "cinder/cocoa/CinderCocoaTouch.h"
00027 #include "cinder/app/TouchEvent.h"
00028 #include "cinder/app/AccelEvent.h"
00029 
00030 
00031 namespace cinder { namespace app {
00032 
00033 struct AppCocoaTouchState;
00034 
00035 class AppCocoaTouch : public App {
00036   public:
00037     class Settings : public App::Settings {
00038       public:
00039         Settings()
00040             : App::Settings(), mEnableMultiTouch( true ) {}
00041 
00043         void        enableMultiTouch( bool enable = true ) { mEnableMultiTouch = enable; }
00045         bool        isMultiTouchEnabled() const { return mEnableMultiTouch; }
00046         
00047       private:
00048         bool        mEnableMultiTouch;
00049     };
00050 
00051     AppCocoaTouch();
00052     virtual ~AppCocoaTouch() {}
00053 
00054     virtual void        prepareSettings( Settings *settings ) {}
00055 
00057     virtual void        touchesBegan( TouchEvent event ) {}
00059     virtual void        touchesMoved( TouchEvent event ) {}
00061     virtual void        touchesEnded( TouchEvent event ) {}
00063     const std::vector<TouchEvent::Touch>&   getActiveTouches() const { return mActiveTouches; } 
00065     virtual void        accelerated( AccelEvent event ) {}
00066 
00068     CallbackId      registerTouchesBegan( std::function<bool (TouchEvent)> callback ) { return mCallbacksTouchesBegan.registerCb( callback ); }
00070     template<typename T>
00071     CallbackId      registerTouchesBegan( T *obj, bool (T::*callback)(TouchEvent) ) { return mCallbacksTouchesBegan.registerCb( std::bind1st( std::mem_fun( callback ), obj ) ); }
00073     void            unregisterTouchesBegan( CallbackId id ) { mCallbacksTouchesBegan.unregisterCb( id ); }
00074 
00076     CallbackId      registerTouchesMoved( std::function<bool (TouchEvent)> callback ) { return mCallbacksTouchesMoved.registerCb( callback ); }
00078     template<typename T>
00079     CallbackId      registerTouchesMoved( T *obj, bool (T::*callback)(TouchEvent) ) { return mCallbacksTouchesMoved.registerCb( std::bind1st( std::mem_fun( callback ), obj ) ); }
00081     void            unregisterTouchesMoved( CallbackId id ) { mCallbacksTouchesMoved.unregisterCb( id ); }
00082 
00084     CallbackId      registerTouchesEnded( std::function<bool (TouchEvent)> callback ) { return mCallbacksTouchesEnded.registerCb( callback ); }
00086     template<typename T>
00087     CallbackId      registerTouchesEnded( T *obj, bool (T::*callback)(TouchEvent) ) { return mCallbacksTouchesEnded.registerCb( std::bind1st( std::mem_fun( callback ), obj ) ); }
00089     void            unregisterTouchesEnded( CallbackId id ) { mCallbacksTouchesEnded.unregisterCb( id ); }
00090 
00092     CallbackId      registerAccelerated( std::function<bool (AccelEvent)> callback ) { return mCallbacksAccelerated.registerCb( callback ); }
00094     template<typename T>
00095     CallbackId      registerAccelerated( T *obj, bool (T::*callback)(AccelEvent) ) { return mCallbacksAccelerated.registerCb( std::bind1st( std::mem_fun( callback ), obj ) ); }
00097     void            unregisterAccelerated( CallbackId id ) { mCallbacksAccelerated.unregisterCb( id ); }
00098 
00099     
00101     virtual int     getWindowWidth() const;
00103     virtual int     getWindowHeight() const;
00105     void            setWindowWidth( int windowWidth ) {}
00107     void            setWindowHeight( int windowHeight ) {}
00109     void            setWindowSize( int windowWidth, int windowHeight ) {}
00110 
00112     void enableAccelerometer( float updateFrequency = 30.0f, float filterFactor = 0.1f );
00114     void disableAccelerometer();
00115     
00117     virtual float       getFrameRate() const;
00119     virtual void        setFrameRate( float aFrameRate );
00121     virtual bool        isFullScreen() const;
00123     virtual void        setFullScreen( bool aFullScreen );
00124 
00126     virtual double      getElapsedSeconds() const;
00127 
00129     virtual std::string         getAppPath();
00130 
00132     virtual void    quit();
00133 
00135     static AppCocoaTouch*   get() { return sInstance; }
00137     virtual const Settings& getSettings() const { return mSettings; }
00138 
00139 
00141     // These are called by application instantation macros and are only used in the launch process
00142     static void     prepareLaunch() { App::prepareLaunch(); }
00143     static void     executeLaunch( AppCocoaTouch *app, class Renderer *renderer, const char *title, int argc, char * const argv[] ) { sInstance = app; App::executeLaunch( app, renderer, title, argc, argv ); }
00144     static void     cleanupLaunch() { App::cleanupLaunch(); }
00145     
00146     virtual void    launch( const char *title, int argc, char * const argv[] );
00148 
00149     // DO NOT CALL - should be private but aren't for esoteric reasons
00151     // Internal handlers - these are called into by AppImpl's. If you are calling one of these, you have likely strayed far off the path.
00152     void        privatePrepareSettings__();
00153     void        privateTouchesBegan__( const TouchEvent &event );
00154     void        privateTouchesMoved__( const TouchEvent &event );
00155     void        privateTouchesEnded__( const TouchEvent &event );
00156     void        privateSetActiveTouches__( const std::vector<TouchEvent::Touch> &touches ) { mActiveTouches = touches; }
00157     void        privateAccelerated__( const Vec3f &direction );
00159 
00160   private:
00161     friend void     setupCocoaTouchWindow( AppCocoaTouch *app );
00162     
00163     // The state is contained in a struct in order to avoid this .h needing to be compiled as Objective-C++
00164     shared_ptr<AppCocoaTouchState>      mState;
00165     
00166     static AppCocoaTouch    *sInstance; 
00167     Settings                mSettings;
00168     
00169     std::vector<TouchEvent::Touch>  mActiveTouches;
00170 
00171     CallbackMgr<bool (TouchEvent)>      mCallbacksTouchesBegan, mCallbacksTouchesMoved, mCallbacksTouchesEnded;
00172     CallbackMgr<bool (AccelEvent)>      mCallbacksAccelerated;
00173 
00174     float                   mAccelFilterFactor;
00175     Vec3f                   mLastAccel, mLastRawAccel;
00176 };
00177 
00178 } } // namespace cinder::app
00179 
00180 #define CINDER_APP_COCOA_TOUCH( APP, RENDERER )                             \
00181 int main( int argc, char *argv[] ) {                                        \
00182     cinder::app::AppCocoaTouch::prepareLaunch();                            \
00183     cinder::app::AppCocoaTouch *app = new APP;                              \
00184     cinder::app::Renderer *ren = new RENDERER;                              \
00185     cinder::app::AppCocoaTouch::executeLaunch( app, ren, #APP, argc, argv );\
00186     cinder::app::AppCocoaTouch::cleanupLaunch();                            \
00187     return 0;                                                               \
00188 }