mirror of
https://github.com/CTCaer/RetroArch.git
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435 lines
12 KiB
C
435 lines
12 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2014-2015 - Jay McCarthy
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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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#include <compat/strl.h>
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#include <string/string_list.h>
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#include "menu.h"
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/* This file provides an abstraction of the currently displayed
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* menu.
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*
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* It is organized into an event-based system where the UI companion
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* calls this functions and RetroArch responds by changing the global
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* state (including arranging for these functions to return different
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* values).
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*
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* Its only interaction back to the UI is to arrange for
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* notify_list_loaded on the UI companion.
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*/
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/* Clicks the back button */
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int menu_entry_go_back(void)
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{
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menu_list_t *menu_list = menu_list_get_ptr();
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if (!menu_list)
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return -1;
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menu_list_pop_stack(menu_list);
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return 0;
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}
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static rarch_setting_t *menu_entry_get_setting(uint32_t i)
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{
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menu_list_t *menu_list = menu_list_get_ptr();
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menu_file_list_cbs_t *cbs = menu_list_get_actiondata_at_offset
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(menu_list->selection_buf,i);
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if (!cbs)
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return NULL;
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return cbs->setting;
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}
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enum menu_entry_type menu_entry_get_type(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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/* XXX Really a special kind of ST_ACTION, but this should be changed */
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if (menu_setting_is_of_path_type(setting))
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return MENU_ENTRY_PATH;
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if (setting && (setting->type == ST_STRING) && setting->values)
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return MENU_ENTRY_ENUM;
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if (setting)
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{
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switch (setting->type)
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{
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case ST_BOOL:
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return MENU_ENTRY_BOOL;
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case ST_BIND:
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return MENU_ENTRY_BIND;
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case ST_INT:
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return MENU_ENTRY_INT;
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case ST_UINT:
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return MENU_ENTRY_UINT;
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case ST_FLOAT:
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return MENU_ENTRY_FLOAT;
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case ST_PATH:
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return MENU_ENTRY_PATH;
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case ST_DIR:
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return MENU_ENTRY_DIR;
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case ST_STRING:
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return MENU_ENTRY_STRING;
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case ST_HEX:
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return MENU_ENTRY_HEX;
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case ST_NONE:
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case ST_ACTION:
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case ST_GROUP:
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case ST_SUB_GROUP:
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case ST_END_GROUP:
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case ST_END_SUB_GROUP:
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break;
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}
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}
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return MENU_ENTRY_ACTION;
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}
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void menu_entry_get_path(uint32_t i, char *s, size_t len)
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{
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menu_entry_t entry = {{0}};
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menu_entry_get(&entry, i, NULL, true);
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strlcpy(s, entry.path, len);
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}
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void menu_entry_get_label(uint32_t i, char *s, size_t len)
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{
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menu_entry_t entry = {{0}};
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menu_entry_get(&entry, i, NULL, true);
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strlcpy(s, entry.label, len);
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}
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unsigned menu_entry_get_spacing(uint32_t i)
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{
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menu_entry_t entry = {{0}};
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menu_entry_get(&entry, i, NULL, true);
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return entry.spacing;
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}
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unsigned menu_entry_get_type_new(uint32_t i)
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{
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menu_entry_t entry = {{0}};
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menu_entry_get(&entry, i, NULL, true);
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return entry.type;
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}
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uint32_t menu_entry_get_bool_value(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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return *setting->value.boolean;
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}
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struct string_list *menu_entry_enum_values(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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return string_split(setting->values, "|");
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}
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void menu_entry_enum_set_value_with_string(uint32_t i, const char *s)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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setting_set_with_string_representation(setting, s);
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}
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int32_t menu_entry_bind_index(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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if (setting->index)
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return setting->index - 1;
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return 0;
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}
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void menu_entry_bind_key_set(uint32_t i, int32_t value)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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BINDFOR(*setting).key = (enum retro_key)value;
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}
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void menu_entry_bind_joykey_set(uint32_t i, int32_t value)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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BINDFOR(*setting).joykey = value;
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}
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void menu_entry_bind_joyaxis_set(uint32_t i, int32_t value)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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BINDFOR(*setting).joyaxis = value;
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}
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void menu_entry_pathdir_selected(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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if (menu_setting_is_of_path_type(setting))
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setting->action_right(setting, false);
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}
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bool menu_entry_pathdir_allow_empty(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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if (!setting)
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return false;
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return setting->flags & SD_FLAG_ALLOW_EMPTY;
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}
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uint32_t menu_entry_pathdir_for_directory(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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return setting->flags & SD_FLAG_PATH_DIR;
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}
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void menu_entry_pathdir_get_value(uint32_t i, char *s, size_t len)
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{
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menu_entry_t entry = {{0}};
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menu_entry_get(&entry, i, NULL, true);
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strlcpy(s, entry.value, len);
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}
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int menu_entry_pathdir_set_value(uint32_t i, const char *s)
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{
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menu_file_list_cbs_t *cbs = NULL;
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const char *menu_path = NULL;
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menu_list_t *menu_list = menu_list_get_ptr();
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(void)s;
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menu_list_get_last_stack(menu_list,
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&menu_path, NULL, NULL, NULL);
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cbs = (menu_file_list_cbs_t*)menu_list_get_last_stack_actiondata(menu_list);
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if (!cbs || !cbs->setting)
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return -1;
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if (cbs->setting->type != ST_DIR)
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return -1;
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setting_set_with_string_representation(cbs->setting, menu_path);
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menu_setting_generic(cbs->setting, false);
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menu_list_pop_stack_by_needle(menu_list, cbs->setting->name);
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return 0;
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}
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void menu_entry_pathdir_extensions(uint32_t i, char *s, size_t len)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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const char *extensions = setting ? setting->values : NULL;
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if (setting && extensions)
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strlcpy(s, extensions, len);
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}
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void menu_entry_reset(uint32_t i)
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{
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menu_entry_t entry = {{0}};
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menu_entry_get(&entry, i, NULL, true);
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menu_entry_action(&entry, i, MENU_ACTION_START);
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}
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void menu_entry_get_value(uint32_t i, char *s, size_t len)
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{
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menu_entry_t entry = {{0}};
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menu_entry_get(&entry, i, NULL, true);
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strlcpy(s, entry.value, len);
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}
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void menu_entry_set_value(uint32_t i, const char *s)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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setting_set_with_string_representation(setting, s);
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}
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uint32_t menu_entry_num_has_range(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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return (setting->flags & SD_FLAG_HAS_RANGE);
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}
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float menu_entry_num_min(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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return setting->min;
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}
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float menu_entry_num_max(uint32_t i)
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{
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rarch_setting_t *setting = menu_entry_get_setting(i);
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return setting->max;
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}
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void menu_entry_get(menu_entry_t *entry, size_t i,
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void *userdata, bool use_representation)
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{
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const char *path = NULL;
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const char *entry_label = NULL;
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menu_file_list_cbs_t *cbs = NULL;
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file_list_t *list = NULL;
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menu_list_t *menu_list = menu_list_get_ptr();
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if (!menu_list)
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return;
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list = userdata ? (file_list_t*)userdata : menu_list->selection_buf;
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if (!list)
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return;
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menu_list_get_at_offset(list, i, &path, &entry_label, &entry->type,
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&entry->entry_idx);
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cbs = menu_list_get_actiondata_at_offset(list, i);
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if (cbs && cbs->action_get_value && use_representation)
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{
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const char *label = NULL;
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menu_list_get_last_stack(menu_list, NULL, &label, NULL, NULL);
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cbs->action_get_value(list,
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&entry->spacing, entry->type, i, label,
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entry->value, sizeof(entry->value),
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entry_label, path,
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entry->path, sizeof(entry->path));
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}
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entry->idx = i;
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if (path && !use_representation)
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strlcpy(entry->path, path, sizeof(entry->path));
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if (entry_label)
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strlcpy(entry->label, entry_label, sizeof(entry->label));
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}
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bool menu_entry_is_currently_selected(unsigned id)
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{
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menu_navigation_t *nav = menu_navigation_get_ptr();
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if (!nav)
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return false;
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return (id == nav->selection_ptr);
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}
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/* Performs whatever actions are associated with menu entry 'i'.
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*
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* This is the most important function because it does all the work
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* associated with clicking on things in the UI.
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*
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* This includes loading cores and updating the
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* currently displayed menu. */
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int menu_entry_select(uint32_t i)
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{
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menu_entry_t entry = {{0}};
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menu_navigation_t *nav = menu_navigation_get_ptr();
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nav->selection_ptr = i;
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menu_entry_get(&entry, i, NULL, false);
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return menu_entry_action(&entry, i, MENU_ACTION_SELECT);
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}
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int menu_entry_action(menu_entry_t *entry, unsigned i, enum menu_action action)
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{
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int ret = 0;
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menu_navigation_t *nav = menu_navigation_get_ptr();
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menu_list_t *menu_list = menu_list_get_ptr();
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menu_file_list_cbs_t *cbs = menu_list_get_actiondata_at_offset(menu_list->selection_buf, i);
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switch (action)
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{
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case MENU_ACTION_UP:
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if (cbs && cbs->action_up)
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ret = cbs->action_up(entry->type, entry->label);
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break;
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case MENU_ACTION_DOWN:
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if (cbs && cbs->action_down)
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ret = cbs->action_down(entry->type, entry->label);
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break;
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case MENU_ACTION_SCROLL_UP:
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menu_navigation_descend_alphabet(nav, &nav->selection_ptr);
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break;
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case MENU_ACTION_SCROLL_DOWN:
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menu_navigation_ascend_alphabet(nav, &nav->selection_ptr);
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break;
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case MENU_ACTION_CANCEL:
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if (cbs && cbs->action_cancel)
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ret = cbs->action_cancel(entry->path, entry->label, entry->type, i);
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break;
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case MENU_ACTION_OK:
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if (cbs && cbs->action_ok)
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ret = cbs->action_ok(entry->path, entry->label, entry->type, i, entry->entry_idx);
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break;
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case MENU_ACTION_START:
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if (cbs && cbs->action_start)
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ret = cbs->action_start(entry->type, entry->label);
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break;
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case MENU_ACTION_LEFT:
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if (cbs && cbs->action_left)
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ret = cbs->action_left(entry->type, entry->label, false);
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break;
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case MENU_ACTION_RIGHT:
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if (cbs && cbs->action_right)
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ret = cbs->action_right(entry->type, entry->label, false);
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break;
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case MENU_ACTION_INFO:
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if (cbs && cbs->action_info)
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ret = cbs->action_info(entry->type, entry->label);
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break;
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case MENU_ACTION_SELECT:
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if (cbs && cbs->action_select)
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ret = cbs->action_select(entry->path, entry->label, entry->type, i);
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break;
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case MENU_ACTION_MESSAGE:
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{
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menu_display_t *disp = menu_display_get_ptr();
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if (disp)
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disp->msg_force = true;
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}
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break;
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case MENU_ACTION_SEARCH:
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menu_input_search_start();
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break;
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case MENU_ACTION_SCAN:
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if (cbs && cbs->action_scan)
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ret = cbs->action_scan(entry->path, entry->label, entry->type, i);
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break;
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default:
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break;
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}
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cbs = menu_list_get_actiondata_at_offset(menu_list->selection_buf, i);
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if (menu_entries_needs_refresh())
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{
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if (cbs && cbs->action_refresh)
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{
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cbs->action_refresh(menu_list->selection_buf, menu_list->menu_stack);
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menu_entries_unset_refresh(false);
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}
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}
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return ret;
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}
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