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#ifndef RELABSD_CONFIG_H
#define RELABSD_CONFIG_H
#include <libevdev/libevdev.h>
#include "axis.h"
struct relabsd_config_axis
{
int enabled;
int min;
int max;
int fuzz;
int flat;
int resolution;
};
/*
* There is no relabsd_config_free function, so be careful about using dynamic
* memory for input_file or device_name.
*/
struct relabsd_config
{
const char * input_file;
const char * device_name;
struct relabsd_config_axis axis[RELABSD_VALID_AXES_COUNT];
};
/*
* Parses the invocation parameters and the config file into 'conf'.
*
* Returns -1 on (fatal) error,
* 0 on successfully parsed config.
*
* 'conf' does not need to be initialized, as the function will only write to
* it.
* As one would expect, argc is the number of elements in argv.
*/
int relabsd_config_parse
(
struct relabsd_config * const conf,
int const argc,
char * const * const argv
);
/*
* This function aims at preventing us from emitting values that are incoherent
* with our REV_ABS axis configuration, such as the axis' minimum or maximum
* values.
*
* Returns 1 if 'conf' allows the value to be emitted,
* 0 if 'conf' wants the event to be transmitted as is.
* -1 if 'conf' doesn't want the event to be transmitted.
*
* If the return value is 0, this function will not have altered the value at
* 'value'. Otherwise, this function can have altered it to match its
* requierements.
*/
int relabsd_config_filter
(
const struct relabsd_config * const conf,
enum relabsd_axis const axis,
int * const value
);
/*
* Copies all the ABS event parameters of 'axis' into 'absinfo'.
* 'absinfo' does not need to be initialized, as the function will only write to
* it.
*/
void relabsd_config_get_absinfo
(
const struct relabsd_config * const conf,
enum relabsd_axis const axis,
struct input_absinfo * const absinfo
);
#endif
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