TouchInput.h

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#pragma once

#include <string>
#include <tslib.h>
#include <vector>
#include <functional>

#include "TouchInputException.h"

#define TS_SETENV(x) setenv(#x, x, false);

using TouchEventCallback = std::function<void(ts_sample_mt)>; // void(*)(ts_sample_mt);

class TouchInput
{
public:
    TouchInput(const std::string &device_name, TouchEventCallback callback, int samples, int slots);
    ~TouchInput();
    void setTouchEventCallback(TouchEventCallback callback);
    void poll();

private:
    std::string device_name;
    struct tsdev *ts;
    ts_sample_mt **samp_mt;
    int samples, slots, ret;
    TouchEventCallback event_callback;

    const char *TSLIB_CALIBFILE = "/etc/pointercal.tslib";
    const char *TSLIB_CONFFILE = "/etc/ts.conf";
    const char *TSLIB_TSDEVICE = "/dev/input/event0";
};