317 lines
9 KiB
C
317 lines
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 <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include "dir.h"
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#include "file.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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#include "main_menu.h"
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#ifdef HAVE_LCD_BITMAP
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#include "icons.h"
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#endif
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#define MAX_FILES_IN_DIR 200
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#define TREE_MAX_FILENAMELEN 128
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#define MAX_DIR_LEVELS 10
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struct entry {
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bool file; /* true if file, false if dir */
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char name[TREE_MAX_FILENAMELEN];
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};
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static struct entry buffer[MAX_FILES_IN_DIR];
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static int filesindir;
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void browse_root(void)
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{
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dirbrowse("/");
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}
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#ifdef HAVE_LCD_BITMAP
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#define TREE_MAX_ON_SCREEN 7
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#define TREE_MAX_LEN_DISPLAY 16 /* max length that fits on screen */
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#define MARGIN_Y 8 /* Y pixel margin */
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#define MARGIN_X 12 /* X pixel margin */
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#define LINE_Y 0 /* Y position the entry-list starts at */
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#define LINE_X 2 /* X position the entry-list starts at */
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#define LINE_HEIGTH 8 /* pixels for each text line */
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extern unsigned char bitmap_icons_6x8[LastIcon][6];
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extern icons_6x8;
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#else /* HAVE_LCD_BITMAP */
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#define TREE_MAX_ON_SCREEN 2
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#define TREE_MAX_LEN_DISPLAY 11 /* max length that fits on screen */
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#define LINE_Y 0 /* Y position the entry-list starts at */
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#define LINE_X 1 /* X position the entry-list starts at */
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#endif /* HAVE_LCD_BITMAP */
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static int showdir(char *path, int start)
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{
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static char lastdir[256] = {0};
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#ifdef HAVE_LCD_BITMAP
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int icon_type = 0;
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#endif
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int i;
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/* new dir? cache it */
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if (strncmp(path,lastdir,sizeof(lastdir))) {
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DIR *dir = opendir(path);
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if(!dir)
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return -1; /* not a directory */
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for ( i=0; i<MAX_FILES_IN_DIR; i++ ) {
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struct dirent *entry = readdir(dir);
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if (!entry)
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break;
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if(entry->d_name[0] == '.') {
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/* skip names starting with a dot */
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i--;
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continue;
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}
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buffer[i].file = !(entry->attribute & ATTR_DIRECTORY);
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strncpy(buffer[i].name,entry->d_name,TREE_MAX_FILENAMELEN);
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buffer[i].name[TREE_MAX_FILENAMELEN-1]=0;
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}
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filesindir = i;
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closedir(dir);
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strncpy(lastdir,path,sizeof(lastdir));
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lastdir[sizeof(lastdir)-1] = 0;
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}
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lcd_clear_display();
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#ifdef HAVE_LCD_BITMAP
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lcd_putsxy(0,0, "[Browse]",0);
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lcd_update();
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#endif
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for ( i=start; i < start+TREE_MAX_ON_SCREEN; i++ ) {
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int len;
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if ( i >= filesindir )
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break;
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len = strlen(buffer[i].name);
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#ifdef HAVE_LCD_BITMAP
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if ( buffer[i].file )
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icon_type=File;
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else
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icon_type=Folder;
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lcd_bitmap(bitmap_icons_6x8[icon_type],
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6, MARGIN_Y+(i-start)*LINE_HEIGTH, 6, 8, true);
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#endif
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if(len < TREE_MAX_LEN_DISPLAY)
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lcd_puts(LINE_X, LINE_Y+i-start, buffer[i].name);
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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-start, buffer[i].name);
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buffer[i].name[TREE_MAX_LEN_DISPLAY]=storage;
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}
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}
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return filesindir;
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}
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bool dirbrowse(char *root)
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{
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int numentries;
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char buf[255];
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char currdir[255];
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int dircursor=0;
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int i;
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int start=0;
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int dirpos[MAX_DIR_LEVELS];
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int dirlevel=0;
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lcd_clear_display();
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#ifdef HAVE_LCD_BITMAP
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lcd_putsxy(0,0, "[Browse]",0);
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lcd_setmargins(0,MARGIN_Y);
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lcd_setfont(0);
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#endif
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memcpy(currdir,root,sizeof(currdir));
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numentries = showdir(root, start);
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if (numentries == -1)
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return -1; /* root is not a directory */
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lcd_puts(0, dircursor, "-");
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#ifdef HAVE_LCD_BITMAP
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lcd_update();
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#endif
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while(1) {
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switch(button_get(true)) {
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#if defined(SIMULATOR) && defined(HAVE_RECODER_KEYPAD)
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case BUTTON_OFF:
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return false;
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#endif
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#ifdef HAVE_RECORDER_KEYPAD
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case BUTTON_LEFT:
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#else
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case BUTTON_STOP:
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#endif
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i=strlen(currdir);
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if (i>1) {
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while (currdir[i-1]!='/')
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i--;
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strcpy(buf,&currdir[i]);
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if (i==1)
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currdir[i]=0;
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else
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currdir[i-1]=0;
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dirlevel--;
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if ( dirlevel < MAX_DIR_LEVELS )
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start = dirpos[dirlevel];
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else
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start = 0;
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numentries = showdir(currdir, start);
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dircursor=0;
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while ( (dircursor < TREE_MAX_ON_SCREEN) &&
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(strcmp(buffer[dircursor+start].name,buf)!=0))
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dircursor++;
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if (dircursor==TREE_MAX_ON_SCREEN)
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dircursor=0;
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lcd_puts(0, LINE_Y+dircursor, "-");
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}
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break;
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#ifdef HAVE_RECORDER_KEYPAD
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case BUTTON_RIGHT:
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#endif
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case BUTTON_PLAY:
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if ((currdir[0]=='/') && (currdir[1]==0)) {
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snprintf(buf,sizeof(buf),"%s%s",currdir,buffer[dircursor+start].name);
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} else {
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snprintf(buf,sizeof(buf),"%s/%s",currdir,buffer[dircursor+start].name);
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}
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if (!buffer[dircursor+start].file) {
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memcpy(currdir,buf,sizeof(currdir));
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if ( dirlevel < MAX_DIR_LEVELS )
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dirpos[dirlevel] = start+dircursor;
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dirlevel++;
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dircursor=0;
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start=0;
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} else {
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playtune(currdir, buffer[dircursor+start].name);
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#ifdef HAVE_LCD_BITMAP
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lcd_setmargins(0, MARGIN_Y);
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lcd_setfont(0);
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#endif
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}
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numentries = showdir(currdir, start);
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lcd_puts(0, LINE_Y+dircursor, "-");
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break;
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#ifdef HAVE_RECORDER_KEYPAD
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case BUTTON_UP:
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#else
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case BUTTON_LEFT:
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#endif
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if(dircursor) {
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lcd_puts(0, LINE_Y+dircursor, " ");
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dircursor--;
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lcd_puts(0, LINE_Y+dircursor, "-");
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lcd_update();
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}
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else {
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if (start) {
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start--;
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numentries = showdir(currdir, start);
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lcd_puts(0, LINE_Y+dircursor, "-");
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}
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}
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break;
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#ifdef HAVE_RECORDER_KEYPAD
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case BUTTON_DOWN:
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#else
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case BUTTON_RIGHT:
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#endif
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if (dircursor + start + 1 < numentries ) {
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if(dircursor+1 < TREE_MAX_ON_SCREEN) {
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lcd_puts(0, LINE_Y+dircursor, " ");
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dircursor++;
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lcd_puts(0, LINE_Y+dircursor, "-");
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}
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else {
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start++;
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numentries = showdir(currdir, start);
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lcd_puts(0, LINE_Y+dircursor, "-");
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}
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}
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break;
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#ifdef HAVE_RECORDER_KEYPAD
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case BUTTON_F1:
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case BUTTON_F2:
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case BUTTON_F3:
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#else
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case BUTTON_MENU:
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#endif
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main_menu();
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/* restore display */
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/* TODO: this is just a copy from BUTTON_STOP, fix it */
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lcd_clear_display();
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#ifdef HAVE_LCD_BITMAP
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lcd_putsxy(0,0, "[Browse]",0);
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lcd_setmargins(0,MARGIN_Y);
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lcd_setfont(0);
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#endif
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numentries = showdir(currdir, start);
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dircursor=0;
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while ( (dircursor < TREE_MAX_ON_SCREEN) &&
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(strcmp(buffer[dircursor+start].name,buf)!=0))
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dircursor++;
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if (dircursor==TREE_MAX_ON_SCREEN)
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dircursor=0;
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lcd_puts(0, LINE_Y+dircursor, "-");
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break;
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}
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lcd_update();
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}
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return false;
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}
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