mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-14 12:49:22 +00:00
284 lines
7.1 KiB
C
284 lines
7.1 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 "menu.h"
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#include "menu_hash.h"
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#include "../general.h"
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struct menu_entries
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{
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/* Flagged when menu entries need to be refreshed */
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bool need_refresh;
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bool nonblocking_refresh;
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size_t begin;
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menu_list_t *menu_list;
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rarch_setting_t *list_settings;
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menu_navigation_t navigation;
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};
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static menu_entries_t *menu_entries_get_ptr(void)
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{
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menu_handle_t *menu = menu_driver_get_ptr();
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if (!menu)
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return NULL;
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return menu->entries;
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}
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rarch_setting_t *menu_setting_get_ptr(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries)
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return NULL;
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return entries->list_settings;
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}
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menu_list_t *menu_list_get_ptr(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries)
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return NULL;
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return entries->menu_list;
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}
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menu_navigation_t *menu_navigation_get_ptr(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries)
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return NULL;
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return &entries->navigation;
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}
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/* Sets the starting index of the menu entry list. */
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void menu_entries_set_start(size_t i)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (entries)
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entries->begin = i;
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}
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/* Returns the starting index of the menu entry list. */
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size_t menu_entries_get_start(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries)
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return 0;
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return entries->begin;
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}
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/* Returns the last index (+1) of the menu entry list. */
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size_t menu_entries_get_end(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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return menu_list_get_size(entries->menu_list);
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}
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/* Get an entry from the top of the menu stack */
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void menu_entries_get(size_t i, menu_entry_t *entry)
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{
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const char *label = NULL;
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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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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries || !entries->menu_list)
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return;
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menu_list_get_last_stack(entries->menu_list, NULL, &label, NULL, NULL);
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entry->path[0] = entry->value[0] = entry->label[0] = '\0';
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menu_list_get_at_offset(entries->menu_list->selection_buf, i,
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&path, &entry_label, &entry->type, &entry->entry_idx);
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cbs = menu_list_get_actiondata_at_offset(entries->menu_list->selection_buf, i);
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if (cbs && cbs->action_get_value)
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cbs->action_get_value(entries->menu_list->selection_buf,
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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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entry->idx = i;
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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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/* Sets title to what the name of the current menu should be. */
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int menu_entries_get_title(char *s, size_t len)
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{
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const char *path = NULL;
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const char *label = NULL;
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unsigned menu_type = 0;
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menu_file_list_cbs_t *cbs = NULL;
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries->menu_list)
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return -1;
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cbs = (menu_file_list_cbs_t*)menu_list_get_last_stack_actiondata(entries->menu_list);
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menu_list_get_last_stack(entries->menu_list, &path, &label, &menu_type, NULL);
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if (cbs && cbs->action_get_title)
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return cbs->action_get_title(path, label, menu_type, s, len);
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return 0;
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}
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/* Returns true if a Back button should be shown (i.e. we are at least
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* one level deep in the menu hierarchy). */
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bool menu_entries_show_back(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries->menu_list)
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return false;
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return (menu_list_get_stack_size(entries->menu_list) > 1);
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}
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/* Sets 's' to the name of the current core
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* (shown at the top of the UI). */
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int menu_entries_get_core_title(char *s, size_t len)
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{
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const char *core_name = NULL;
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const char *core_version = NULL;
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global_t *global = global_get_ptr();
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settings_t *settings = config_get_ptr();
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rarch_system_info_t *info = rarch_system_info_get_ptr();
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if (!settings->menu.core_enable)
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return -1;
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if (global)
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{
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core_name = global->menu.info.library_name;
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core_version = global->menu.info.library_version;
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}
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if (!core_name || core_name[0] == '\0')
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core_name = info->info.library_name;
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if (!core_name || core_name[0] == '\0')
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core_name = menu_hash_to_str(MENU_VALUE_NO_CORE);
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if (!core_version)
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core_version = info->info.library_version;
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if (!core_version)
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core_version = "";
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snprintf(s, len, "%s - %s %s", PACKAGE_VERSION,
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core_name, core_version);
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return 0;
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}
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bool menu_entries_needs_refresh(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries || entries->nonblocking_refresh)
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return false;
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if (entries->need_refresh)
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return true;
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return false;
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}
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void menu_entries_set_refresh(bool nonblocking)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (entries)
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{
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if (nonblocking)
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entries->nonblocking_refresh = true;
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else
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entries->need_refresh = true;
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}
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}
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void menu_entries_unset_refresh(bool nonblocking)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (entries)
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{
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if (nonblocking)
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entries->nonblocking_refresh = false;
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else
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entries->need_refresh = false;
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}
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}
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bool menu_entries_init(void *data)
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{
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menu_entries_t *entries = NULL;
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menu_handle_t *menu = (menu_handle_t*)data;
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if (!menu)
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goto error;
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entries = (menu_entries_t*)calloc(1, sizeof(*entries));
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if (!entries)
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goto error;
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menu->entries = (struct menu_entries*)entries;
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if (!(entries->menu_list = (menu_list_t*)menu_list_new()))
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goto error;
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return true;
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error:
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if (entries)
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free(entries);
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if (menu)
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menu->entries = NULL;
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return false;
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}
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void menu_entries_free(void)
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{
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menu_entries_t *entries = menu_entries_get_ptr();
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if (!entries)
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return;
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menu_setting_free(entries->list_settings);
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entries->list_settings = NULL;
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menu_list_free(entries->menu_list);
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entries->menu_list = NULL;
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}
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void menu_entries_free_list(menu_entries_t *entries)
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{
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if (entries && entries->list_settings)
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menu_setting_free(entries->list_settings);
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}
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void menu_entries_new_list(menu_entries_t *entries, unsigned flags)
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{
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if (!entries)
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return;
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entries->list_settings = menu_setting_new(flags);
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}
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