165 lines
3.9 KiB
C
165 lines
3.9 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Daniel Stenberg
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <string.h>
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#include <stdlib.h>
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#include <dir.h>
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#include <file.h>
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#include <types.h>
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#include <lcd.h>
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#include <button.h>
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#include "kernel.h"
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#include "tree.h"
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#include "play.h"
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#define TREE_MAX_FILENAMELEN 64
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#define TREE_MAX_ON_SCREEN 7
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#define TREE_MAX_LEN_DISPLAY 17 /* max length that fits on screen */
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int dircursor=0;
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void browse_root(void) {
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dirbrowse("/");
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}
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struct entry {
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int file; /* TRUE if file, FALSE if dir */
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char name[TREE_MAX_FILENAMELEN];
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int namelen;
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};
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#define LINE_Y 8 /* Y position the entry-list starts at */
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#define LINE_X 6 /* X position the entry-list starts at */
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#define LINE_HEIGTH 8 /* pixels for each text line */
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#ifdef HAVE_LCD_BITMAP
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int static
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showdir(char *path, struct entry *buffer, int start)
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{
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int i;
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DIR *dir = opendir(path);
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struct dirent *entry;
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if(!dir)
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return 0; /* no entries */
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i=start;
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while((entry = readdir(dir))) {
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int len;
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if(entry->d_name[0] == '.')
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/* skip names starting with a dot */
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continue;
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len = strlen(entry->d_name);
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if(len < TREE_MAX_FILENAMELEN)
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/* strncpy() is evil, we memcpy() instead, +1 includes the
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trailing zero */
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memcpy(buffer[i].name, entry->d_name, len+1);
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else
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memcpy(buffer[i].name, "too long", 9);
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buffer[i].file = TRUE; /* files only for now */
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if(len < TREE_MAX_LEN_DISPLAY)
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lcd_puts(LINE_X, LINE_Y+i*LINE_HEIGTH, buffer[i].name, 0);
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else {
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char storage = buffer[i].name[TREE_MAX_LEN_DISPLAY];
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buffer[i].name[TREE_MAX_LEN_DISPLAY]=0;
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lcd_puts(LINE_X, LINE_Y+i*LINE_HEIGTH, buffer[i].name, 0);
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buffer[i].name[TREE_MAX_LEN_DISPLAY]=storage;
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}
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if(++i >= TREE_MAX_ON_SCREEN)
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break;
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}
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i--; /* number of files on screen */
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closedir(dir);
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return i;
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}
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#endif
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bool dirbrowse(char *root)
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{
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struct entry buffer[TREE_MAX_ON_SCREEN];
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int numentries;
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#ifdef HAVE_LCD_BITMAP
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lcd_clear_display();
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lcd_puts(0,0, "[Browse]", 0);
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numentries = showdir(root, buffer, 0);
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lcd_puts(0, LINE_Y+dircursor*LINE_HEIGTH, "-", 0);
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lcd_update();
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while(1) {
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int key = button_get();
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if(!key) {
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sleep(1);
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continue;
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}
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switch(key) {
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case BUTTON_OFF:
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case BUTTON_LEFT:
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return FALSE;
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break;
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case BUTTON_RIGHT:
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case BUTTON_PLAY:
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playtune(root, buffer[dircursor].name);
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lcd_clear_display();
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lcd_puts(0,0, "[Browse]", 0);
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numentries = showdir(root, buffer, 0);
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lcd_puts(0, LINE_Y+dircursor*LINE_HEIGTH, "-", 0);
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lcd_update();
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break;
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case BUTTON_UP:
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if(dircursor) {
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lcd_puts(0, LINE_Y+dircursor*LINE_HEIGTH, " ", 0);
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dircursor--;
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lcd_puts(0, LINE_Y+dircursor*LINE_HEIGTH, "-", 0);
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lcd_update();
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}
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break;
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case BUTTON_DOWN:
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if(dircursor < numentries) {
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lcd_puts(0, LINE_Y+dircursor*LINE_HEIGTH, " ", 0);
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dircursor++;
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lcd_puts(0, LINE_Y+dircursor*LINE_HEIGTH, "-", 0);
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lcd_update();
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}
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break;
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}
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}
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#endif
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return FALSE;
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}
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