RetroArch/menu/widgets/menu_list.c
2016-09-15 00:10:37 +02:00

135 lines
3.2 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2016 - 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/>.
*/
#include <string.h>
#include <retro_inline.h>
#include <compat/strl.h>
#include <string/stdstring.h>
#include "menu_list.h"
#include "../menu_driver.h"
struct menu_list
{
file_list_t **menu_stack;
size_t menu_stack_size;
file_list_t **selection_buf;
size_t selection_buf_size;
};
void menu_list_free_list(file_list_t *list)
{
unsigned i;
for (i = 0; i < list->size; i++)
{
menu_ctx_list_t list_info;
list_info.list = list;
list_info.idx = i;
list_info.list_size = list->size;
menu_driver_ctl(RARCH_MENU_CTL_LIST_FREE, &list_info);
}
file_list_free(list);
}
void menu_list_free(menu_list_t *menu_list)
{
unsigned i;
if (!menu_list)
return;
for (i = 0; i < menu_list->menu_stack_size; i++)
{
if (!menu_list->menu_stack[i])
continue;
menu_list_free_list(menu_list->menu_stack[i]);
menu_list->menu_stack[i] = NULL;
}
for (i = 0; i < menu_list->selection_buf_size; i++)
{
if (!menu_list->selection_buf[i])
continue;
menu_list_free_list(menu_list->selection_buf[i]);
menu_list->selection_buf[i] = NULL;
}
free(menu_list->menu_stack);
free(menu_list->selection_buf);
free(menu_list);
}
menu_list_t *menu_list_new(void)
{
unsigned i;
menu_list_t *list = (menu_list_t*)calloc(1, sizeof(*list));
if (!list)
return NULL;
list->menu_stack = (file_list_t**)calloc(1, sizeof(*list->menu_stack));
if (!list->menu_stack)
goto error;
list->selection_buf = (file_list_t**)calloc(1, sizeof(*list->selection_buf));
if (!list->selection_buf)
goto error;
list->menu_stack_size = 1;
list->selection_buf_size = 1;
for (i = 0; i < list->menu_stack_size; i++)
list->menu_stack[i] = (file_list_t*)calloc(1, sizeof(*list->menu_stack[i]));
for (i = 0; i < list->selection_buf_size; i++)
list->selection_buf[i] = (file_list_t*)calloc(1, sizeof(*list->selection_buf[i]));
return list;
error:
menu_list_free(list);
return NULL;
}
file_list_t *menu_list_get(menu_list_t *list, unsigned idx)
{
if (!list)
return NULL;
return list->menu_stack[idx];
}
file_list_t *menu_list_get_selection(menu_list_t *list, unsigned idx)
{
if (!list)
return NULL;
return list->selection_buf[idx];
}
size_t menu_list_get_stack_size(menu_list_t *list, size_t idx)
{
if (!list)
return 0;
return file_list_get_size(list->menu_stack[idx]);
}