SameBoy/gtk3/settings.h

#ifndef settings_h
#define settings_h

#include <glib.h>
#include <gio/gio.h>

#define SETTINGS_FILE "sameboy-gtk3-settings.ini"

#define FORMAT_FOR_KEY_TYPE(type) KEY_FORMAT_##type
#define KEY_FORMAT_string "%s"
#define KEY_FORMAT_integer "%d"
#define KEY_FORMAT_boolean "%d"

#define GTYPE_FOR_KEY_TYPE(type) GTYPE_##type
#define GTYPE_string gchar *
#define GTYPE_integer gint
#define GTYPE_boolean gboolean

// Note: Make sure to use a member name only once for the whole config struct
#define EXPAND_CONFIG \
	EXPAND_GROUP(Emulation, \
		EXPAND_GROUP_MEMBER(boot_rom_path, string) /* overrides search location for boot ROMs by name */ \
		EXPAND_GROUP_MEMBER(rewind_duration, integer) \
		EXPAND_GROUP_MEMBER(dmg_revision_name, string) \
		EXPAND_GROUP_MEMBER(sgb_revision_name, string) \
		EXPAND_GROUP_MEMBER(cgb_revision_name, string) \
	) \
	EXPAND_GROUP(Video, \
		EXPAND_GROUP_MEMBER(shader, string) \
		EXPAND_GROUP_MEMBER(color_correction_id, string) \
		EXPAND_GROUP_MEMBER(keep_aspect_ratio, boolean) \
		EXPAND_GROUP_MEMBER(use_integer_scaling, boolean) \
	) \
	EXPAND_GROUP(Audio, \
		EXPAND_GROUP_MEMBER(high_pass_filter_id, string) \
	) \
	EXPAND_GROUP(Controls, \
		\
	)

typedef struct config_t {
#define EXPAND_GROUP(group_name, members) members
#define EXPAND_GROUP_MEMBER(member, key_type) GTYPE_FOR_KEY_TYPE(key_type) member;
	EXPAND_CONFIG
#undef EXPAND_GROUP
#undef EXPAND_GROUP_MEMBER
} config_t;

gchar* settings_file_path;
GKeyFile *key_file;
config_t config;

void print_config(config_t *config);
void load_config_from_key_file(config_t *config, GKeyFile *key_file);

void init_settings(gchar *path);
int load_settings(void);
void save_settings(void);
void free_settings(void);

enum scaling_mode get_scaling_mode(void);
void set_scaling_mode(enum scaling_mode);

#endif /* settings_h */