apps/settings_list.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Jonathan Gordon
  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 __SETTINGSLIST_H
  20 #define __SETTINGSLIST_H
  21 #include <stdio.h>
  22 #include <stddef.h>
  23 #include <stdbool.h>
  24 #include <limits.h>
  25 #include "inttypes.h"
  26
  27 typedef int (*_isfunc_type)(void);
  28
  29 union storage_type {
  30     int int_;
  31     unsigned int uint_;
  32     bool bool_;
  33     char *charptr;
  34     unsigned char *ucharptr;
  35     _isfunc_type func;
  36 };
  37 /* the variable type for the setting */
  38 #define F_T_INT      1
  39 #define F_T_UINT     2
  40 #define F_T_BOOL     3
  41 #define F_T_CHARPTR  4
  42 #define F_T_UCHARPTR 5
  43 #define F_T_MASK     0x7
  44
  45 struct sound_setting {
  46     int setting; /* from the enum in firmware/sound.h */
  47 };
  48 #define F_T_SOUND    0x8 /* this variable uses the set_sound stuff,         \
  49                             | with one of the above types (usually F_T_INT) \
  50                             These settings get the default from sound_default(setting); */
  51 struct bool_setting {
  52     void (*option_callback)(bool);
  53     int lang_yes;
  54     int lang_no;
  55 };
  56 #define F_BOOL_SETTING (F_T_BOOL|0x10)
  57 #define F_RGB 0x20
  58
  59 struct filename_setting {
  60     const char* prefix;
  61     const char* suffix;
  62     int max_len;
  63 };
  64 #define F_FILENAME 0x40
  65
  66 struct int_setting {
  67     void (*option_callback)(int);
  68     int unit;
  69     int min;
  70     int max;
  71     int step;
  72     void (*formatter)(char*, size_t, int, const char*);
  73     long (*get_talk_id)(int);
  74 };
  75 #define F_INT_SETTING 0x80
  76
  77 struct choice_setting {
  78     void (*option_callback)(int);
  79     int count;
  80     union {
  81         unsigned char **desc;
  82         int           *talks;
  83     };
  84 };
  85 #define F_CHOICE_SETTING 0x100
  86 #define F_CHOICETALKS    0x200 /* uses .talks in the above struct for the talks */
  87                                /* and cfg_vals for the strings to display */
  88 /* these use the _isfunc_type type for the function */
  89 /* typedef int (*_isfunc_type)(void); */
  90 #define F_MIN_ISFUNC    0x100000 /* min(above) is function pointer to above type */
  91 #define F_MAX_ISFUNC    0x200000 /* max(above) is function pointer to above type */
  92 #define F_DEF_ISFUNC    0x400000 /* default_val is function pointer to above type */
  93
  94 #define F_THEMESETTING  0x0800000
  95 #define F_RECSETTING    0x1000000
  96
  97 #define F_NVRAM_BYTES_MASK     0xE000 /*0-4 bytes can be stored */
  98 #define F_NVRAM_MASK_SHIFT     13
  99 #define NVRAM_CONFIG_VERSION 4
 100 /* Above define should be bumped if
 101 - a new NVRAM setting is added between 2 other NVRAM settings
 102 - number of bytes for a NVRAM setting is changed
 103 - a NVRAM setting is removed
 104 */
 105 #define F_TEMPVAR    0x0400 /* used if the setting should be set using a temp var */
 106 #define F_FLIPLIST   0x0800 /* used if the order in the setting screen is backwards */
 107 #define F_NO_WRAP     0x1000 /* used if the list should not wrap */
 108
 109 struct settings_list {
 110     uint32_t             flags;   /* ____ ___R TFFF ____ NNN_ FTVC IFRB STTT */
 111     void                *setting;
 112     int                  lang_id; /* -1 for none */
 113     union storage_type   default_val;
 114     const char          *cfg_name; /* this settings name in the cfg file   */
 115     const char          *cfg_vals; /*comma seperated legal values, or NULL */
 116                                    /* used with F_T_UCHARPTR this is the folder prefix */
 117     union {
 118         void *RESERVED; /* to stop compile errors, will be removed */
 119         struct sound_setting *sound_setting; /* use F_T_SOUND for this */
 120         struct bool_setting  *bool_setting; /* F_BOOL_SETTING */
 121         struct filename_setting *filename_setting; /* use F_FILENAME */
 122         struct int_setting *int_setting; /* use F_INT_SETTING */
 123         struct choice_setting *choice_setting; /* F_CHOICE_SETTING */
 124     };
 125 };
 126
 127 #ifndef PLUGIN
 128 /* not needed for plugins and just causes compile error,
 129    possibly fix proberly later */
 130 extern const struct settings_list  settings[];
 131 extern const int nb_settings;
 132
 133 #endif
 134
 135 #endif