signals.h

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#ifndef SIGNALS_H
#define SIGNALS_H


/*
struct SMPSignal{
    enum type{
        default_signal,
        other_signal
        // to be added
    }; 

    uint32_t data; // 4 bytes of data
    
    uint8_t ref_count;
    uint8_t dest_port; // 1 bytes 
// / *    
    pthread_mutex_t mutex;

    SMPSignal(){
        pthread_mutex_init(&mutex, NULL);
    }
    ~SMPSignal(){
        pthread_mutex_destroy(&mutex);
    }
    void dec_count(){
        pthread_mutex_lock(&mutex);
        ref_count--;
        pthread_mutex_unlock(&mutex);
    }
    int get_ref_count(){
        int count;
        pthread_mutex_lock(&mutex);
        count = ref_count;
        pthread_mutex_unlock(&mutex);
        return count;
    }   
// * /
};

*/

enum SLIM_DEFAULT_SIGNAL_ID{
    //media control events
    SLIM_MEDIA_PLAY_EVENT = 128,
    SLIM_MEDIA_STOP_EVENT,
    SLIM_MEDIA_PAUSE_EVENT,
    SLIM_MEDIA_NEXT_EVENT,
    SLIM_MEDIA_PREVIOUS_EVENT,

    //repeat events
    SLIM_MEDIA_REPEAT_EVENT,
    SLIM_MEDIA_REPEATALL_EVENT,

    //forward, backward events
    SLIM_MEDIA_CURRENT_POS_UPDATE_EVENT,
    SLIM_MEDIA_REQUEST_POS_UPDATE_EVENT,

    //misc events...
     
};


enum SMP_SIGNAL_TYPE {
    SMP_KEYDOWN,
    SMP_KEYUP,
    SMP_MOUSEMOTION,
    SMP_MOUSEBUTTONDOWN,
    SMP_MOUSEBUTTONUP,
//  SMP_QUIT,
    SMP_USEREVENT
};




struct SMPKeyboardEvent{
    SMP_SIGNAL_TYPE type; //SMP_KEYDOWN, SMP_KEYUP
    uint8_t state;
};

struct SMPMouseMotionEvent{
    SMP_SIGNAL_TYPE type; //SMP_MOUSEMOTION
    uint8_t state;
    uint16_t x, y;
    int16_t xrel, yrel;
};

struct SMPMouseButtonEvent{
    SMP_SIGNAL_TYPE type;   //SMP_MOUSEBUTTONDOWN, SMP_MOUSEBUTTONUP
    uint8_t button;
    uint8_t state;
    uint16_t x, y;
};

struct SMPUserEvent{
    SMP_SIGNAL_TYPE type; //SMP_USEREVENT
    int code;
    void *data;
};

class SMPSignal{
public:
    SMP_SIGNAL_TYPE type;
    uint8_t dest_port; 
    uint8_t ref_count;
    union{
        SMPKeyboardEvent key;
        SMPMouseMotionEvent motion;
        SMPMouseButtonEvent button;
//      SMPQuitEvent quit;
        SMPUserEvent user;
    };
};


#endif

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