mirror of
https://github.com/libretro/RetroArch.git
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159 lines
4.4 KiB
C
159 lines
4.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CORE_OPTIONS_H__
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#define CORE_OPTIONS_H__
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#include <boolean.h>
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#include "libretro.h"
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#include <stddef.h>
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#include <string/string_list.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct core_option_manager core_option_manager_t;
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/**
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* core_option_new:
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* @conf_path : Filesystem path to write core option config file to.
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* @vars : Pointer to variable array handle.
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*
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* Creates and initializes a core manager handle.
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*
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* Returns: handle to new core manager handle, otherwise NULL.
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**/
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core_option_manager_t *core_option_new(const char *conf_path,
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const struct retro_variable *vars);
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/**
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* core_option_updated:
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* @opt : options manager handle
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*
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* Has a core option been updated?
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*
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* Returns: true (1) if a core option has been updated,
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* otherwise false (0).
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**/
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bool core_option_updated(core_option_manager_t *opt);
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/**
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* core_option_flush:
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* @opt : options manager handle
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*
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* Writes core option key-pair values to file.
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*
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* Returns: true (1) if core option values could be
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* successfully saved to disk, otherwise false (0).
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**/
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bool core_option_flush(core_option_manager_t *opt);
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/**
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* core_option_free:
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* @opt : options manager handle
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*
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* Frees core option manager handle.
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**/
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void core_option_free(core_option_manager_t *opt);
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void core_option_get(core_option_manager_t *opt, struct retro_variable *var);
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/**
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* core_option_size:
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* @opt : options manager handle
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*
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* Gets total number of options.
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*
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* Returns: Total number of options.
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**/
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size_t core_option_size(core_option_manager_t *opt);
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/**
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* core_option_get_desc:
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* @opt : options manager handle
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* @idx : idx identifier of the option
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*
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* Gets description for an option.
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*
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* Returns: Description for an option.
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**/
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const char *core_option_get_desc(core_option_manager_t *opt, size_t idx);
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/**
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* core_option_get_val:
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* @opt : options manager handle
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* @idx : idx identifier of the option
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*
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* Gets value for an option.
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*
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* Returns: Value for an option.
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**/
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const char *core_option_get_val(core_option_manager_t *opt, size_t idx);
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/**
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* core_option_get_vals:
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* @opt : pointer to core option manager object.
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* @idx : idx of core option.
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*
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* Gets list of core option values from core option at index @idx.
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*
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* Returns: string list of core option values if successful, otherwise
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* NULL.
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**/
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struct string_list *core_option_get_vals(
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core_option_manager_t *opt, size_t idx);
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void core_option_set_val(core_option_manager_t *opt,
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size_t idx, size_t val_idx);
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/**
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* core_option_next:
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* @opt : pointer to core option manager object.
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* @idx : idx of core option to be reset to defaults.
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*
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* Get next value for core option specified by @idx.
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* Options wrap around.
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**/
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void core_option_next(core_option_manager_t *opt, size_t idx);
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/**
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* core_option_prev:
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* @opt : pointer to core option manager object.
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* @idx : idx of core option to be reset to defaults.
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* Options wrap around.
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*
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* Get previous value for core option specified by @idx.
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* Options wrap around.
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**/
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void core_option_prev(core_option_manager_t *opt, size_t idx);
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/**
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* core_option_set_default:
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* @opt : pointer to core option manager object.
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* @idx : idx of core option to be reset to defaults.
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*
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* Reset core option specified by @idx and sets default value for option.
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**/
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void core_option_set_default(core_option_manager_t *opt, size_t idx);
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#ifdef __cplusplus
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}
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#endif
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#endif
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