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rockbox/apps/tree.c
Björn Stenberg c3fd67c6c9 Killed a dozen global variables 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3015 a1c6a512-1295-4272-9138-f99709370657
2002-12-18 14:57:45 +00:00

1147 lines
36 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include "applimits.h"
#include "dir.h"
#include "file.h"
#include "lcd.h"
#include "font.h"
#include "backlight.h"
#include "button.h"
#include "kernel.h"
#include "usb.h"
#include "tree.h"
#include "main_menu.h"
#include "sprintf.h"
#include "mpeg.h"
#include "playlist.h"
#include "menu.h"
#include "wps.h"
#include "wps-display.h"
#include "settings.h"
#include "status.h"
#include "debug.h"
#include "ata.h"
#include "rolo.h"
#include "icons.h"
#include "lang.h"
#include "viewer.h"
#include "language.h"
#include "screens.h"
#ifdef HAVE_LCD_BITMAP
#include "widgets.h"
#endif
#define NAME_BUFFER_SIZE (AVERAGE_FILENAME_LENGTH * MAX_FILES_IN_DIR)
static char name_buffer[NAME_BUFFER_SIZE];
static int name_buffer_length;
struct entry {
short attr; /* FAT attributes + file type flags */
char *name;
};
static struct entry dircache[MAX_FILES_IN_DIR];
static int dircursor;
static int dirstart;
static int dirlevel;
static int filesindir;
static int dirpos[MAX_DIR_LEVELS];
static int cursorpos[MAX_DIR_LEVELS];
static char lastdir[MAX_PATH];
static char lastfile[MAX_PATH];
static char currdir[MAX_PATH];
void browse_root(void)
{
dirbrowse("/");
}
#ifdef HAVE_LCD_BITMAP
/* pixel margins */
#define MARGIN_X (global_settings.scrollbar && \
filesindir > tree_max_on_screen ? SCROLLBAR_WIDTH : 0) + \
CURSOR_WIDTH + ICON_WIDTH
#define MARGIN_Y (global_settings.statusbar ? STATUSBAR_HEIGHT : 0)
/* position the entry-list starts at */
#define LINE_X 0
#define LINE_Y (global_settings.statusbar ? 1 : 0)
#define CURSOR_X (global_settings.scrollbar && \
filesindir > tree_max_on_screen ? 1 : 0)
#define CURSOR_Y 0 /* the cursor is not positioned in regard to
the margins, so this is the amount of lines
we add to the cursor Y position to position
it on a line */
#define CURSOR_WIDTH 4
#define ICON_WIDTH 6
#define SCROLLBAR_X 0
#define SCROLLBAR_Y lcd_getymargin()
#define SCROLLBAR_WIDTH 6
extern unsigned char bitmap_icons_6x8[LastIcon][6];
#else /* HAVE_LCD_BITMAP */
#define TREE_MAX_ON_SCREEN 2
#define TREE_MAX_LEN_DISPLAY 11 /* max length that fits on screen */
#define LINE_X 2 /* X position the entry-list starts at */
#define LINE_Y 0 /* Y position the entry-list starts at */
#define CURSOR_X 0
#define CURSOR_Y 0 /* not really used for players */
#endif /* HAVE_LCD_BITMAP */
#ifdef HAVE_RECORDER_KEYPAD
#define TREE_NEXT BUTTON_DOWN
#define TREE_PREV BUTTON_UP
#define TREE_EXIT BUTTON_LEFT
#define TREE_ENTER BUTTON_RIGHT
#define TREE_MENU BUTTON_F1
#else
#define TREE_NEXT BUTTON_RIGHT
#define TREE_PREV BUTTON_LEFT
#define TREE_EXIT BUTTON_STOP
#define TREE_ENTER BUTTON_PLAY
#define TREE_MENU BUTTON_MENU
#endif /* HAVE_RECORDER_KEYPAD */
/* using attribute not used by FAT */
#define TREE_ATTR_MPA 0x40 /* mpeg audio file */
#define TREE_ATTR_M3U 0x80 /* playlist */
#define TREE_ATTR_WPS 0x100 /* wps config file */
#define TREE_ATTR_MOD 0x200 /* firmware file */
#define TREE_ATTR_CFG 0x400 /* config file */
#define TREE_ATTR_TXT 0x500 /* text file */
#define TREE_ATTR_FONT 0x800 /* font file */
#define TREE_ATTR_LNG 0x1000 /* binary lang file */
#define TREE_ATTR_MASK 0xffd0 /* which bits tree.c uses (above + DIR) */
static int build_playlist(int start_index)
{
int i;
int start=start_index;
playlist_clear();
for(i = 0;i < filesindir;i++)
{
if(dircache[i].attr & TREE_ATTR_MPA)
{
DEBUGF("Adding %s\n", dircache[i].name);
playlist_add(dircache[i].name);
}
else
{
/* Adjust the start index when se skip non-MP3 entries */
if(i < start)
start_index--;
}
}
return start_index;
}
static int compare(const void* p1, const void* p2)
{
struct entry* e1 = (struct entry*)p1;
struct entry* e2 = (struct entry*)p2;
if (( e1->attr & ATTR_DIRECTORY ) == ( e2->attr & ATTR_DIRECTORY ))
if (global_settings.sort_case)
return strncmp(e1->name, e2->name, MAX_PATH);
else
return strncasecmp(e1->name, e2->name, MAX_PATH);
else
return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
}
static int showdir(char *path, int start)
{
int icon_type = 0;
int i;
int tree_max_on_screen;
bool dir_buffer_full;
#ifdef HAVE_LCD_BITMAP
int line_height;
int fw, fh;
lcd_setfont(FONT_UI);
lcd_getstringsize("A", &fw, &fh);
tree_max_on_screen = (LCD_HEIGHT - MARGIN_Y) / fh;
line_height = fh;
#else
tree_max_on_screen = TREE_MAX_ON_SCREEN;
#endif
/* new dir? cache it */
if (strncmp(path,lastdir,sizeof(lastdir))) {
DIR *dir = opendir(path);
if(!dir)
return -1; /* not a directory */
name_buffer_length = 0;
dir_buffer_full = false;
for ( i=0; i<MAX_FILES_IN_DIR; i++ ) {
int len;
struct dirent *entry = readdir(dir);
struct entry* dptr = &dircache[i];
if (!entry)
break;
len = strlen(entry->d_name);
/* skip directories . and .. */
if ((entry->attribute & ATTR_DIRECTORY) &&
(((len == 1) &&
(!strncmp(entry->d_name, ".", 1))) ||
((len == 2) &&
(!strncmp(entry->d_name, "..", 2))))) {
i--;
continue;
}
/* Skip FAT volume ID */
if (entry->attribute & ATTR_VOLUME_ID) {
i--;
continue;
}
/* filter out dotfiles and hidden files */
if (global_settings.dirfilter != SHOW_ALL &&
((entry->d_name[0]=='.') ||
(entry->attribute & ATTR_HIDDEN))) {
i--;
continue;
}
dptr->attr = entry->attribute;
/* mark mp? and m3u files as such */
if ( !(dptr->attr & ATTR_DIRECTORY) && (len > 4) ) {
if (!strcasecmp(&entry->d_name[len-4], ".mp3") ||
(!strcasecmp(&entry->d_name[len-4], ".mp2")) ||
(!strcasecmp(&entry->d_name[len-4], ".mpa")))
dptr->attr |= TREE_ATTR_MPA;
else if (!strcasecmp(&entry->d_name[len-4], ".m3u"))
dptr->attr |= TREE_ATTR_M3U;
else if (!strcasecmp(&entry->d_name[len-4], ".cfg"))
dptr->attr |= TREE_ATTR_CFG;
else if (!strcasecmp(&entry->d_name[len-4], ".wps"))
dptr->attr |= TREE_ATTR_WPS;
else if (!strcasecmp(&entry->d_name[len-4], ".txt"))
dptr->attr |= TREE_ATTR_TXT;
else if (!strcasecmp(&entry->d_name[len-4], ".lng"))
dptr->attr |= TREE_ATTR_LNG;
#ifdef HAVE_RECORDER_KEYPAD
else if (!strcasecmp(&entry->d_name[len-4], ".fnt"))
dptr->attr |= TREE_ATTR_FONT;
else if (!strcasecmp(&entry->d_name[len-4], ".ajz"))
#else
else if (!strcasecmp(&entry->d_name[len-4], ".mod"))
#endif
dptr->attr |= TREE_ATTR_MOD;
}
/* filter out all non-playlist files */
if ( global_settings.dirfilter == SHOW_PLAYLIST &&
(!(dptr->attr &
(ATTR_DIRECTORY|TREE_ATTR_M3U))) ) {
i--;
continue;
}
/* filter out non-music files */
if ( global_settings.dirfilter == SHOW_MUSIC &&
(!(dptr->attr &
(ATTR_DIRECTORY|TREE_ATTR_MPA|TREE_ATTR_M3U))) ) {
i--;
continue;
}
/* filter out non-supported files */
if ( global_settings.dirfilter == SHOW_SUPPORTED &&
(!(dptr->attr & TREE_ATTR_MASK)) ) {
i--;
continue;
}
if (len > NAME_BUFFER_SIZE - name_buffer_length - 1) {
/* Tell the world that we ran out of buffer space */
dir_buffer_full = true;
break;
}
dptr->name = &name_buffer[name_buffer_length];
strcpy(dptr->name,entry->d_name);
name_buffer_length += len + 1;
}
filesindir = i;
closedir(dir);
strncpy(lastdir,path,sizeof(lastdir));
lastdir[sizeof(lastdir)-1] = 0;
qsort(dircache,filesindir,sizeof(struct entry),compare);
if ( dir_buffer_full || filesindir == MAX_FILES_IN_DIR ) {
#ifdef HAVE_LCD_CHARCELLS
lcd_double_height(false);
#endif
lcd_clear_display();
lcd_puts(0,0,str(LANG_SHOWDIR_ERROR_BUFFER));
lcd_puts(0,1,str(LANG_SHOWDIR_ERROR_FULL));
lcd_update();
sleep(HZ*2);
lcd_clear_display();
}
}
if (start == -1)
{
int diff_files;
/* use lastfile to determine start (default=0) */
start = 0;
for (i=0; i<filesindir; i++)
{
if (!strcasecmp(dircache[i].name, lastfile))
{
start = i;
break;
}
}
diff_files = filesindir - start;
if (diff_files < tree_max_on_screen)
{
int oldstart = start;
start -= (tree_max_on_screen - diff_files);
if (start < 0)
start = 0;
dircursor = oldstart - start;
}
dirstart = start;
}
lcd_stop_scroll();
#ifdef HAVE_LCD_CHARCELLS
lcd_double_height(false);
#endif
lcd_clear_display();
#ifdef HAVE_LCD_BITMAP
lcd_setmargins(MARGIN_X,MARGIN_Y); /* leave room for cursor and icon */
lcd_setfont(FONT_UI);
#endif
for ( i=start; i < start+tree_max_on_screen; i++ ) {
int len;
if ( i >= filesindir )
break;
len = strlen(dircache[i].name);
switch ( dircache[i].attr & TREE_ATTR_MASK ) {
case ATTR_DIRECTORY:
icon_type = Folder;
break;
case TREE_ATTR_M3U:
icon_type = Playlist;
break;
case TREE_ATTR_MPA:
icon_type = File;
break;
case TREE_ATTR_WPS:
icon_type = Wps;
break;
case TREE_ATTR_CFG:
icon_type = Config;
break;
case TREE_ATTR_TXT:
icon_type = Text;
break;
case TREE_ATTR_LNG:
icon_type = Language;
break;
case TREE_ATTR_MOD:
icon_type = Mod_Ajz;
break;
#ifdef HAVE_LCD_BITMAP
case TREE_ATTR_FONT:
icon_type = Font;
break;
#endif
default:
icon_type = 0;
}
if (icon_type) {
#ifdef HAVE_LCD_BITMAP
int offset=0;
if ( line_height > 8 )
offset = (line_height - 8) / 2;
lcd_bitmap(bitmap_icons_6x8[icon_type],
CURSOR_X * 6 + CURSOR_WIDTH,
MARGIN_Y+(i-start)*line_height + offset,
6, 8, true);
#else
lcd_define_pattern((i-start)*8,tree_icons_5x7[icon_type],8);
lcd_putc(LINE_X-1, i-start, i-start);
#endif
}
/* if music filter is on, cut off the extension */
if (global_settings.dirfilter == SHOW_MUSIC &&
(dircache[i].attr & (TREE_ATTR_M3U|TREE_ATTR_MPA)))
{
char temp = dircache[i].name[len-4];
dircache[i].name[len-4] = 0;
lcd_puts(LINE_X, i-start, dircache[i].name);
dircache[i].name[len-4] = temp;
}
else
lcd_puts(LINE_X, i-start, dircache[i].name);
}
#ifdef HAVE_LCD_BITMAP
if (global_settings.scrollbar && filesindir > tree_max_on_screen)
scrollbar(SCROLLBAR_X, SCROLLBAR_Y, SCROLLBAR_WIDTH - 1,
LCD_HEIGHT - SCROLLBAR_Y, filesindir, start,
start + tree_max_on_screen, VERTICAL);
#endif
status_draw();
return filesindir;
}
bool ask_resume(void)
{
#ifdef HAVE_LCD_CHARCELLS
lcd_double_height(false);
#endif
/* always resume? */
if ( global_settings.resume == RESUME_ON )
return true;
if ( global_settings.resume == RESUME_ASK_ONCE) {
global_settings.resume_index = -1;
settings_save();
}
lcd_clear_display();
lcd_puts(0,0,str(LANG_RESUME_ASK));
#ifdef HAVE_LCD_CHARCELLS
lcd_puts(0,1,str(LANG_RESUME_CONFIRM_PLAYER));
#else
lcd_puts(0,1,str(LANG_RESUME_CONFIRM_RECORDER));
lcd_puts(0,2,str(LANG_RESUME_CANCEL_RECORDER));
#endif
lcd_update();
if (button_get(true) == BUTTON_PLAY)
return true;
return false;
}
void start_resume(void)
{
if ( global_settings.resume &&
global_settings.resume_index != -1 ) {
int len = strlen(global_settings.resume_file);
DEBUGF("Resume file %s\n",global_settings.resume_file);
DEBUGF("Resume index %X offset %X\n",
global_settings.resume_index,
global_settings.resume_offset);
DEBUGF("Resume shuffle %s seed %X\n",
global_settings.playlist_shuffle?"on":"off",
global_settings.resume_seed);
/* playlist? */
if (!strcasecmp(&global_settings.resume_file[len-4], ".m3u")) {
char* slash;
/* check that the file exists */
int fd = open(global_settings.resume_file, O_RDONLY);
if(fd<0)
return;
close(fd);
if (!ask_resume())
return;
slash = strrchr(global_settings.resume_file,'/');
if (slash) {
*slash=0;
play_list(global_settings.resume_file,
slash+1,
global_settings.resume_index,
true, /* the index is AFTER shuffle */
global_settings.resume_offset,
global_settings.resume_seed,
global_settings.resume_first_index);
*slash='/';
}
else {
/* check that the dir exists */
DIR* dir = opendir(global_settings.resume_file);
if(!dir)
return;
closedir(dir);
if (!ask_resume())
return;
play_list("/",
global_settings.resume_file,
global_settings.resume_index,
true,
global_settings.resume_offset,
global_settings.resume_seed,
global_settings.resume_first_index);
}
}
else {
if (!ask_resume())
return;
if (showdir(global_settings.resume_file, 0) < 0 )
return;
lastdir[0] = '\0';
build_playlist(global_settings.resume_index);
play_list(global_settings.resume_file,
NULL,
global_settings.resume_index,
true,
global_settings.resume_offset,
global_settings.resume_seed,
global_settings.resume_first_index);
}
status_set_playmode(STATUS_PLAY);
status_draw();
wps_show();
}
}
void set_current_file(char *path)
{
char *name;
unsigned int i;
/* separate directory from filename */
name = strrchr(path+1,'/');
if (name)
{
*name = 0;
strcpy(currdir, path);
*name = '/';
name++;
}
else
{
strcpy(currdir, "/");
name = path+1;
}
strcpy(lastfile, name);
dircursor = 0;
dirstart = -1;
if (strncmp(currdir,lastdir,sizeof(lastdir)))
{
dirlevel = 0;
dirpos[dirlevel] = -1;
cursorpos[dirlevel] = 0;
/* use '/' to calculate dirlevel */
for (i=1; i<strlen(path)+1; i++)
{
if (path[i] == '/')
{
dirlevel++;
dirpos[dirlevel] = -1;
cursorpos[dirlevel] = 0;
}
}
}
}
#ifdef HAVE_RECORDER_KEYPAD
bool pageupdown(int* ds, int* dc, int numentries, int tree_max_on_screen )
{
bool exit = false;
bool used = false;
int dirstart = *ds;
int dircursor = *dc;
while (!exit) {
switch (button_get(true)) {
case BUTTON_UP:
case BUTTON_ON | BUTTON_UP:
case BUTTON_ON | BUTTON_UP | BUTTON_REPEAT:
used = true;
if ( dirstart ) {
dirstart -= tree_max_on_screen;
if ( dirstart < 0 )
dirstart = 0;
}
else
dircursor = 0;
break;
case BUTTON_DOWN:
case BUTTON_ON | BUTTON_DOWN:
case BUTTON_ON | BUTTON_DOWN | BUTTON_REPEAT:
used = true;
if ( dirstart < numentries - tree_max_on_screen ) {
dirstart += tree_max_on_screen;
if ( dirstart >
numentries - tree_max_on_screen )
dirstart = numentries - tree_max_on_screen;
}
else
dircursor = numentries - dirstart - 1;
break;
#ifdef SIMULATOR
case BUTTON_ON:
#else
case BUTTON_ON | BUTTON_REL:
case BUTTON_ON | BUTTON_UP | BUTTON_REL:
case BUTTON_ON | BUTTON_DOWN | BUTTON_REL:
#endif
exit = true;
break;
}
if ( used ) {
showdir(currdir, dirstart);
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
lcd_update();
}
}
*ds = dirstart;
*dc = dircursor;
return used;
}
#endif
static void storefile(char* filename, char* setting, int maxlen)
{
int len = strlen(filename);
int extlen = 0;
char* ptr = filename + len;
while (*ptr != '.') {
extlen++;
ptr--;
}
if (strcmp(ROCKBOX_DIR, currdir) || (len-extlen > maxlen))
return;
strncpy(setting, filename, len-extlen);
setting[len-extlen]=0;
settings_save();
}
bool dirbrowse(char *root)
{
int numentries=0;
char buf[MAX_PATH];
int i;
int lasti=-1;
int button;
int tree_max_on_screen;
bool reload_root = false;
int lastfilter = global_settings.dirfilter;
bool lastsortcase = global_settings.sort_case;
#ifdef HAVE_LCD_BITMAP
int fw, fh;
lcd_getstringsize("A", &fw, &fh);
tree_max_on_screen = (LCD_HEIGHT - MARGIN_Y) / fh;
#else
tree_max_on_screen = TREE_MAX_ON_SCREEN;
#endif
dircursor=0;
dirstart=0;
dirlevel=0;
memcpy(currdir,root,sizeof(currdir));
start_resume();
numentries = showdir(currdir, dirstart);
if (numentries == -1)
return -1; /* currdir is not a directory */
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
while(1) {
struct entry* file = &dircache[dircursor+dirstart];
bool restore = false;
bool need_update = false;
button = button_get_w_tmo(HZ/5);
switch ( button ) {
case TREE_EXIT:
case TREE_EXIT | BUTTON_REPEAT:
i=strlen(currdir);
if (i>1) {
while (currdir[i-1]!='/')
i--;
strcpy(buf,&currdir[i]);
if (i==1)
currdir[i]=0;
else
currdir[i-1]=0;
dirlevel--;
if ( dirlevel < MAX_DIR_LEVELS ) {
dirstart = dirpos[dirlevel];
dircursor = cursorpos[dirlevel];
}
else
dirstart = dircursor = 0;
if (dirstart == -1)
strcpy(lastfile, buf);
restore = true;
}
break;
#ifdef HAVE_RECORDER_KEYPAD
case BUTTON_OFF:
mpeg_stop();
status_set_playmode(STATUS_STOP);
status_draw();
restore = true;
break;
case BUTTON_OFF | BUTTON_REL:
#else
case BUTTON_STOP | BUTTON_REL:
#endif
settings_save();
break;
case TREE_ENTER:
case TREE_ENTER | BUTTON_REPEAT:
#ifdef HAVE_RECORDER_KEYPAD
case BUTTON_PLAY:
case BUTTON_PLAY | BUTTON_REPEAT:
#endif
if ( !numentries )
break;
if ((currdir[0]=='/') && (currdir[1]==0)) {
snprintf(buf,sizeof(buf),"%s%s",currdir, file->name);
} else {
snprintf(buf,sizeof(buf),"%s/%s",currdir, file->name);
}
if (file->attr & ATTR_DIRECTORY) {
memcpy(currdir,buf,sizeof(currdir));
if ( dirlevel < MAX_DIR_LEVELS ) {
dirpos[dirlevel] = dirstart;
cursorpos[dirlevel] = dircursor;
}
dirlevel++;
dircursor=0;
dirstart=0;
} else {
int seed = current_tick;
bool play = false;
int start_index=0;
lcd_stop_scroll();
switch ( file->attr & TREE_ATTR_MASK ) {
case TREE_ATTR_M3U:
if ( global_settings.resume )
snprintf(global_settings.resume_file,
MAX_PATH, "%s/%s",
currdir, file->name);
play_list(currdir, file->name, 0, false, 0,
seed, 0);
start_index = 0;
play = true;
break;
case TREE_ATTR_MPA:
if ( global_settings.resume )
strncpy(global_settings.resume_file,
currdir, MAX_PATH);
start_index = build_playlist(dircursor+dirstart);
/* it is important that we get back the index in
the (shuffled) list and stor that */
start_index = play_list(currdir, NULL,
start_index, false,
0, seed, 0);
play = true;
break;
/* wps config file */
case TREE_ATTR_WPS:
snprintf(buf, sizeof buf, "%s/%s",
currdir, file->name);
wps_load(buf,true);
storefile(file->name, global_settings.wps_file,
MAX_FILENAME);
restore = true;
break;
case TREE_ATTR_CFG:
snprintf(buf, sizeof buf, "%s/%s",
currdir, file->name);
settings_load_config(buf);
restore = true;
break;
case TREE_ATTR_TXT:
snprintf(buf, sizeof buf, "%s/%s",
currdir, file->name);
viewer_run(buf);
restore = true;
break;
case TREE_ATTR_LNG:
snprintf(buf, sizeof buf, "%s/%s",
currdir, file->name);
if(!lang_load(buf)) {
storefile(file->name,
global_settings.lang_file,
MAX_FILENAME);
lcd_clear_display();
#ifdef HAVE_LCD_CHARCELLS
lcd_puts(0, 0, str(LANG_LANGUAGE_LOADED));
#else
lcd_getstringsize(str(LANG_LANGUAGE_LOADED),
&fw, &fh);
if(fw>LCD_WIDTH)
fw=0;
else
fw=LCD_WIDTH/2 - fw/2;
lcd_putsxy(fw, LCD_HEIGHT/2 - fh/2,
str(LANG_LANGUAGE_LOADED));
#endif
lcd_update();
sleep(HZ);
restore = true;
}
break;
#ifdef HAVE_LCD_BITMAP
case TREE_ATTR_FONT:
snprintf(buf, sizeof buf, "%s/%s",
currdir, file->name);
font_load(buf);
storefile(file->name, global_settings.font_file,
MAX_FILENAME);
lcd_getstringsize("A", &fw, &fh);
tree_max_on_screen = (LCD_HEIGHT - MARGIN_Y) / fh;
/* make sure cursor is on screen */
while ( dircursor > tree_max_on_screen ) {
dircursor--;
dirstart++;
}
restore = true;
break;
#endif
#ifndef SIMULATOR
/* firmware file */
case TREE_ATTR_MOD:
snprintf(buf, sizeof buf, "%s/%s",
currdir, file->name);
rolo_load(buf);
break;
#endif
}
if ( play ) {
if ( global_settings.resume ) {
/* the resume_index must always be the index in the
shuffled list in case shuffle is enabled */
global_settings.resume_index = start_index;
global_settings.resume_offset = 0;
global_settings.resume_first_index =
playlist_first_index();
global_settings.resume_seed = seed;
settings_save();
}
status_set_playmode(STATUS_PLAY);
status_draw();
lcd_stop_scroll();
if ( wps_show() == SYS_USB_CONNECTED ) {
reload_root = true;
}
#ifdef HAVE_LCD_BITMAP
tree_max_on_screen = (LCD_HEIGHT - MARGIN_Y) / fh;
#endif
}
}
restore = true;
break;
case TREE_PREV:
case TREE_PREV | BUTTON_REPEAT:
case BUTTON_VOL_UP:
if(filesindir) {
if(dircursor) {
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, false);
dircursor--;
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
}
else {
if (dirstart) {
dirstart--;
numentries = showdir(currdir, dirstart);
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
}
else {
if (numentries < tree_max_on_screen) {
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor,
false);
dircursor = numentries - 1;
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor,
true);
}
else {
dirstart = numentries - tree_max_on_screen;
dircursor = tree_max_on_screen - 1;
numentries = showdir(currdir, dirstart);
put_cursorxy(CURSOR_X, CURSOR_Y +
tree_max_on_screen - 1, true);
}
}
}
need_update = true;
}
break;
case TREE_NEXT:
case TREE_NEXT | BUTTON_REPEAT:
case BUTTON_VOL_DOWN:
if(filesindir)
{
if (dircursor + dirstart + 1 < numentries ) {
if(dircursor+1 < tree_max_on_screen) {
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor,
false);
dircursor++;
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
}
else {
dirstart++;
numentries = showdir(currdir, dirstart);
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
}
}
else {
if(numentries < tree_max_on_screen) {
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor,
false);
dirstart = dircursor = 0;
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
}
else {
dirstart = dircursor = 0;
numentries = showdir(currdir, dirstart);
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
}
}
need_update = true;
}
break;
case TREE_MENU:
lcd_stop_scroll();
if (main_menu())
reload_root = true;
restore = true;
break;
case BUTTON_ON:
#ifdef HAVE_RECORDER_KEYPAD
if (pageupdown(&dirstart, &dircursor, numentries,
tree_max_on_screen))
{
/* start scroll */
restore = true;
}
else
#endif
{
if (mpeg_status() & MPEG_STATUS_PLAY)
{
lcd_stop_scroll();
if (wps_show() == SYS_USB_CONNECTED)
reload_root = true;
#ifdef HAVE_LCD_BITMAP
tree_max_on_screen = (LCD_HEIGHT - MARGIN_Y) / fh;
#endif
restore = true;
}
}
break;
#ifdef HAVE_RECORDER_KEYPAD
case BUTTON_F2:
if (f2_screen())
reload_root = true;
restore = true;
break;
case BUTTON_F3:
if (f3_screen())
reload_root = true;
#ifdef HAVE_LCD_BITMAP
tree_max_on_screen = (LCD_HEIGHT - MARGIN_Y) / fh;
#endif
restore = true;
break;
#endif
case SYS_USB_CONNECTED:
status_set_playmode(STATUS_STOP);
usb_screen();
reload_root = true;
break;
case BUTTON_NONE:
status_draw();
break;
}
if ( button )
ata_spin();
/* do we need to rescan dir? */
if (reload_root ||
lastfilter != global_settings.dirfilter ||
lastsortcase != global_settings.sort_case)
{
if ( reload_root ) {
strcpy(currdir, "/");
dirlevel = 0;
reload_root = false;
}
dircursor = 0;
dirstart = 0;
lastdir[0] = 0;
lastfilter = global_settings.dirfilter;
lastsortcase = global_settings.sort_case;
restore = true;
}
if ( restore ) {
/* restore display */
/* We need to adjust if the number of lines on screen have
changed because of a status bar change */
if(CURSOR_Y+LINE_Y+dircursor>tree_max_on_screen) {
dirstart++;
dircursor--;
}
#ifdef HAVE_LCD_BITMAP
/* the sub-screen might've ruined the margins */
lcd_setmargins(MARGIN_X,MARGIN_Y); /* leave room for cursor and
icon */
#endif
numentries = showdir(currdir, dirstart);
put_cursorxy(CURSOR_X, CURSOR_Y + dircursor, true);
need_update = true;
}
if ( numentries ) {
i = dirstart+dircursor;
/* if MP3 filter is on, cut off the extension */
if(lasti!=i || restore) {
lasti=i;
lcd_stop_scroll();
if (global_settings.dirfilter == SHOW_MUSIC &&
(dircache[i].attr & (TREE_ATTR_M3U|TREE_ATTR_MPA)))
{
int len = strlen(dircache[i].name);
char temp = dircache[i].name[len-4];
dircache[i].name[len-4] = 0;
lcd_puts_scroll(LINE_X, dircursor, dircache[i].name);
dircache[i].name[len-4] = temp;
}
else
lcd_puts_scroll(LINE_X, dircursor, dircache[i].name);
need_update = true;
}
}
if(need_update) {
lcd_update();
need_update = false;
}
}
return false;
}
/* -----------------------------------------------------------------
* local variables:
* eval: (load-file "../firmware/rockbox-mode.el")
* end:
*/
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