yambar/tag.h
2019-01-13 19:42:16 +01:00

52 lines
1.5 KiB
C

#pragma once
#include <stddef.h>
#include <stdbool.h>
enum tag_realtime_unit {
TAG_REALTIME_NONE,
TAG_REALTIME_SECS,
TAG_REALTIME_MSECS,
};
struct module;
struct tag {
void *private;
struct module *owner;
void (*destroy)(struct tag *tag);
const char *(*name)(const struct tag *tag);
const char *(*as_string)(const struct tag *tag);
long (*as_int)(const struct tag *tag);
bool (*as_bool)(const struct tag *tag);
double (*as_float)(const struct tag *tag);
long (*min)(const struct tag *tag);
long (*max)(const struct tag *tag);
enum tag_realtime_unit (*realtime)(const struct tag *tag);
bool (*refresh_in)(const struct tag *tag, long units);
};
struct tag_set {
struct tag **tags;
size_t count;
};
struct tag *tag_new_int(struct module *owner, const char *name, long value);
struct tag *tag_new_int_range(
struct module *owner, const char *name, long value, long min, long max);
struct tag *tag_new_int_realtime(
struct module *owner, const char *name, long value, long min,
long max, enum tag_realtime_unit unit);
struct tag *tag_new_bool(struct module *owner, const char *name, bool value);
struct tag *tag_new_float(struct module *owner, const char *name, double value);
struct tag *tag_new_string(
struct module *owner, const char *name, const char *value);
const struct tag *tag_for_name(const struct tag_set *set, const char *name);
void tag_set_destroy(struct tag_set *set);
/* Utility functions */
char *tags_expand_template(const char *template, const struct tag_set *tags);