mirror of
https://github.com/libretro/RetroArch
synced 2025-01-30 12:32:52 +00:00
138 lines
4.6 KiB
C
138 lines
4.6 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2013 - 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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#include <stdint.h>
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#include <stdlib.h>
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#include "../../../file.h"
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#include "file_browser.h"
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static bool directory_parse(void *data, const char *path)
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{
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filebrowser_t *filebrowser = (filebrowser_t*)data;
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struct string_list *list = dir_list_new(path,
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filebrowser->current_dir.extensions, true);
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if(!list)
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return false;
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dir_list_sort(list, true);
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filebrowser->current_dir.ptr = 0;
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strlcpy(filebrowser->current_dir.directory_path,
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path, sizeof(filebrowser->current_dir.directory_path));
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if(filebrowser->list)
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dir_list_free(filebrowser->list);
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filebrowser->list = list;
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return true;
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}
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void filebrowser_free(void *data)
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{
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filebrowser_t *filebrowser = (filebrowser_t*)data;
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dir_list_free(filebrowser->list);
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filebrowser->list = NULL;
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filebrowser->current_dir.ptr = 0;
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free(filebrowser);
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}
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void filebrowser_set_root_and_ext(void *data, const char *ext, const char *root_dir)
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{
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filebrowser_t *filebrowser = (filebrowser_t*)data;
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if (ext)
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strlcpy(filebrowser->current_dir.extensions, ext,
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sizeof(filebrowser->current_dir.extensions));
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strlcpy(filebrowser->current_dir.root_dir,
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root_dir, sizeof(filebrowser->current_dir.root_dir));
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filebrowser_iterate(filebrowser, FILEBROWSER_ACTION_RESET);
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}
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#define GET_CURRENT_PATH(browser) (browser->list->elems[browser->current_dir.ptr].data)
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bool filebrowser_iterate(void *data, unsigned action)
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{
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filebrowser_t *filebrowser = (filebrowser_t*)data;
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bool ret = true;
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unsigned entries_to_scroll = 19;
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switch(action)
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{
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case FILEBROWSER_ACTION_UP:
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filebrowser->current_dir.ptr--;
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if (filebrowser->current_dir.ptr >= filebrowser->list->size)
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filebrowser->current_dir.ptr = filebrowser->list->size - 1;
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break;
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case FILEBROWSER_ACTION_DOWN:
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filebrowser->current_dir.ptr++;
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if (filebrowser->current_dir.ptr >= filebrowser->list->size)
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filebrowser->current_dir.ptr = 0;
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break;
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case FILEBROWSER_ACTION_LEFT:
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if (filebrowser->current_dir.ptr <= 5)
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filebrowser->current_dir.ptr = 0;
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else
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filebrowser->current_dir.ptr -= 5;
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break;
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case FILEBROWSER_ACTION_RIGHT:
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filebrowser->current_dir.ptr = (min(filebrowser->current_dir.ptr + 5,
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filebrowser->list->size-1));
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break;
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case FILEBROWSER_ACTION_SCROLL_UP:
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if (filebrowser->current_dir.ptr <= entries_to_scroll)
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filebrowser->current_dir.ptr= 0;
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else
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filebrowser->current_dir.ptr -= entries_to_scroll;
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break;
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case FILEBROWSER_ACTION_SCROLL_DOWN:
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filebrowser->current_dir.ptr = (min(filebrowser->current_dir.ptr +
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entries_to_scroll, filebrowser->list->size-1));
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break;
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case FILEBROWSER_ACTION_OK:
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ret = directory_parse(filebrowser, GET_CURRENT_PATH(filebrowser));
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break;
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case FILEBROWSER_ACTION_CANCEL:
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fill_pathname_parent_dir(filebrowser->current_dir.directory_path,
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filebrowser->current_dir.directory_path,
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sizeof(filebrowser->current_dir.directory_path));
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ret = directory_parse(filebrowser, filebrowser->current_dir.directory_path);
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break;
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case FILEBROWSER_ACTION_RESET:
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ret = directory_parse(filebrowser, filebrowser->current_dir.root_dir);
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break;
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case FILEBROWSER_ACTION_RESET_CURRENT_DIR:
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ret = directory_parse(filebrowser, filebrowser->current_dir.directory_path);
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break;
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case FILEBROWSER_ACTION_PATH_ISDIR:
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ret = filebrowser->list->elems[filebrowser->current_dir.ptr].attr.b;
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break;
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case FILEBROWSER_ACTION_NOOP:
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default:
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break;
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}
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strlcpy(filebrowser->current_dir.path, GET_CURRENT_PATH(filebrowser),
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sizeof(filebrowser->current_dir.path));
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return ret;
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}
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