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// SPDX-License-Identifier: GPL-2.0
#ifndef EVENT_H
#define EVENT_H
#include "divemode.h"
#include "gas.h"
#include "units.h"
#include <libdivecomputer/parser.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Events are currently based straight on what libdivecomputer gives us.
* We need to wrap these into our own events at some point to remove some of the limitations.
*/
struct event {
struct event *next;
duration_t time;
int type;
/* This is the annoying libdivecomputer format. */
int flags, value;
/* .. and this is our "extended" data for some event types */
union {
enum divemode_t divemode; // for divemode change events
/*
* NOTE! The index may be -1, which means "unknown". In that
* case, the get_cylinder_index() function will give the best
* match with the cylinders in the dive based on gasmix.
*/
struct { // for gas switch events
int index;
struct gasmix mix;
} gas;
};
bool deleted;
char name[];
};
struct ev_select {
char *ev_name;
bool plot_ev;
};
/* collect all event names and whether we display them */
extern struct ev_select *ev_namelist;
extern int evn_used;
extern int event_is_gaschange(const struct event *ev);
extern bool event_is_divemodechange(const struct event *ev);
extern struct event *clone_event(const struct event *src_ev);
extern void free_events(struct event *ev);
extern struct event *create_event(unsigned int time, int type, int flags, int value, const char *name);
extern struct event *clone_event_rename(const struct event *ev, const char *name);
extern bool same_event(const struct event *a, const struct event *b);
extern void remember_event(const char *eventname);
extern void clear_events(void);
/* Since C doesn't have parameter-based overloading, two versions of get_next_event. */
extern const struct event *get_next_event(const struct event *event, const char *name);
extern struct event *get_next_event_mutable(struct event *event, const char *name);
#ifdef __cplusplus
}
#endif
#endif
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