RetroArch/core_options.h
2015-01-09 22:01:19 +01:00

116 lines
3.3 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CORE_OPTIONS_H__
#define CORE_OPTIONS_H__
#include <boolean.h>
#include "libretro.h"
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct core_option_manager core_option_manager_t;
core_option_manager_t *core_option_new(const char *conf_path,
const struct retro_variable *vars);
bool core_option_updated(core_option_manager_t *opt);
void core_option_flush(core_option_manager_t *opt);
void core_option_free(core_option_manager_t *opt);
void core_option_get(core_option_manager_t *opt, struct retro_variable *var);
/**
* core_option_size:
* @opt : options manager handle
*
* Gets total number of options.
*
* Returns: Total number of options.
**/
size_t core_option_size(core_option_manager_t *opt);
/**
* core_option_get_desc:
* @opt : options manager handle
* @index : index identifier of the option
*
* Gets description for an option.
*
* Returns: Description for an option.
**/
const char *core_option_get_desc(core_option_manager_t *opt, size_t index);
/**
* core_option_get_val:
* @opt : options manager handle
* @index : index identifier of the option
*
* Gets value for an option.
*
* Returns: Value for an option.
**/
const char *core_option_get_val(core_option_manager_t *opt, size_t index);
/* Helpers to present a list of options */
struct string_list *core_option_get_vals(
core_option_manager_t *opt, size_t index);
void core_option_set_val(core_option_manager_t *opt,
size_t index, size_t val_index);
/**
* core_option_next:
* @opt : pointer to core option manager object.
* @idx : index of core option to be reset to defaults.
*
* Get next value for core option specified by @idx.
* Options wrap around.
**/
void core_option_next(core_option_manager_t *opt, size_t index);
/**
* core_option_prev:
* @opt : pointer to core option manager object.
* @idx : index of core option to be reset to defaults.
* Options wrap around.
*
* Get previous value for core option specified by @idx.
* Options wrap around.
**/
void core_option_prev(core_option_manager_t *opt, size_t index);
/**
* core_option_set_default:
* @opt : pointer to core option manager object.
* @idx : index of core option to be reset to defaults.
*
* Reset core option specified by @idx and sets default value for option.
**/
void core_option_set_default(core_option_manager_t *opt, size_t index);
#ifdef __cplusplus
}
#endif
#endif