apps/tree.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Daniel Stenberg
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef _TREE_H_
  20 #define _TREE_H_
  21
  22 #include <stdbool.h>
  23 #include <applimits.h>
  24 #include <file.h>
  25
  26 struct entry {
  27     short attr; /* FAT attributes + file type flags */
  28     unsigned long time_write; /* Last write time */
  29     char *name;
  30 };
  31
  32 struct filetype {
  33     char* extension;
  34     int tree_attr;
  35     int icon;
  36     int voiceclip;
  37 };
  38
  39 /* browser context for file or db */
  40 struct tree_context {
  41     /* The directory we are browsing */
  42     char currdir[MAX_PATH];
  43     /* the number of directories we have crossed from / */
  44     int dirlevel;
  45     /* The currently selected file/id3dbitem index (old dircursor+dirfile) */
  46     int selected_item;
  47     /* The selected item in each directory crossed
  48      * (used when we want to return back to a previouws directory)*/
  49     int selected_item_history[MAX_DIR_LEVELS];
  50
  51     int firstpos; /* which dir entry is on first
  52                      position in dir buffer */
  53     int pos_history[MAX_DIR_LEVELS];
  54     int dirpos[MAX_DIR_LEVELS]; /* the dirstart history */
  55     int cursorpos[MAX_DIR_LEVELS]; /* the dircursor history */
  56
  57     int *dirfilter; /* file use */
  58     int filesindir; /* The number of files in the dircache */
  59     int dirsindir; /* file use */
  60     int dirlength; /* total number of entries in dir, incl. those not loaded */
  61     int table_history[MAX_DIR_LEVELS]; /* db use */
  62     int extra_history[MAX_DIR_LEVELS]; /* db use */
  63     int currtable; /* db use */
  64     int currextra; /* db use */
  65     int currextra2; /* db use */
  66     /* A big buffer with plenty of entry structs,
  67      * contains all files and dirs in the current
  68      * dir (with filters applied) */
  69     void* dircache;
  70     int dircache_size;
  71     char* name_buffer;
  72     int name_buffer_size;
  73     int dentry_size;
  74     bool dirfull;
  75 };
  76
  77 /* using attribute bits not used by FAT (FAT uses lower 7) */
  78
  79 #define TREE_ATTR_THUMBNAIL 0x0080 /* corresponding .talk file exists */
  80
  81 /* (this also reflects the sort order if by type) */
  82 #define TREE_ATTR_BMARK 0x0100 /* book mark file */
  83 #define TREE_ATTR_M3U   0x0200 /* playlist */
  84 #define TREE_ATTR_MPA   0x0300 /* mpeg audio file */
  85 #define TREE_ATTR_CFG   0x0400 /* config file */
  86 #define TREE_ATTR_WPS   0x0500 /* wps config file */
  87 #define TREE_ATTR_FONT  0x0600 /* font file */
  88 #define TREE_ATTR_LNG   0x0700 /* binary lang file */
  89 #define TREE_ATTR_ROCK  0x0800 /* binary rockbox plugin */
  90 #define TREE_ATTR_MOD   0x0900 /* firmware file */
  91 #define TREE_ATTR_RWPS  0x1000 /* remote-wps config file */
  92 #define TREE_ATTR_BMP   0x1100 /* backdrop bmp file */
  93 #define TREE_ATTR_KBD   0x1200 /* keyboard file */
  94 #define TREE_ATTR_FMR   0x1300 /* preset file */
  95 #define TREE_ATTR_MASK  0xFF00 /* which bits tree.c uses for file types */
  96
  97 void tree_get_filetypes(const struct filetype**, int*);
  98 void tree_init(void);
  99 void browse_root(void);
 100 void set_current_file(char *path);
 101 bool rockbox_browse(const char *root, int dirfilter);
 102 bool create_playlist(void);
 103 void resume_directory(const char *dir);
 104 char *getcwd(char *buf, int size);
 105 void reload_directory(void);
 106 bool check_rockboxdir(void);
 107 struct tree_context* tree_get_context(void);
 108 void tree_flush(void);
 109 void tree_restore(void);
 110
 111
 112 extern struct gui_synclist tree_lists;
 113 extern struct gui_syncstatusbar statusbars;
 114 #endif