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Add a setting type which is completly user-defined. This setting type cannot be used by the regular menu macros (e.g MENUITEM_SETTING() macro) so if you are goign to use this type remember to implement the setting screen seperately (using option_select() if you can)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18983 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon 2008-11-03 10:43:37 +00:00
parent ee0111a539
commit 5395957549
3 changed files with 55 additions and 0 deletions
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15
apps/settings.c
View file

@ -282,6 +282,9 @@ bool settings_load_config(const char* file, bool apply)
{
switch (settings[i].flags&F_T_MASK)
{
case F_T_CUSTOM:
settings[i].custom_setting->load_from_cfg(settings[i].setting, value);
break;
case F_T_INT:
case F_T_UINT:
#ifdef HAVE_LCD_COLOR
@ -419,6 +422,10 @@ static bool is_changed(int setting_id)
const struct settings_list *setting = &settings[setting_id];
switch (setting->flags&F_T_MASK)
{
case F_T_CUSTOM:
return setting->custom_setting->is_changed(setting->setting,
setting->default_val.custom);
break;
case F_T_INT:
case F_T_UINT:
if (setting->flags&F_DEF_ISFUNC)
@ -498,6 +505,10 @@ static bool settings_write_config(const char* filename, int options)
}
switch (settings[i].flags&F_T_MASK)
{
case F_T_CUSTOM:
settings[i].custom_setting->write_to_cfg(settings[i].setting,
value, MAX_PATH);
break;
case F_T_INT:
case F_T_UINT:
#ifdef HAVE_LCD_COLOR
@ -952,6 +963,10 @@ void reset_setting(const struct settings_list *setting, void *var)
{
switch (setting->flags&F_T_MASK)
{
case F_T_CUSTOM:
setting->custom_setting->set_default(setting->setting,
setting->default_val.custom);
break;
case F_T_INT:
case F_T_UINT:
if (setting->flags&F_DEF_ISFUNC)

8
apps/settings_list.c
View file

@ -165,6 +165,14 @@
{cb, formatter, get_talk_id, unit, count, \
(const int[]){__VA_ARGS__}}}}}
#define CUSTOM_SETTING(flags, var, lang_id, default, name, \
load_from_cfg, write_to_cfg, \
is_change, set_default) \
{flags|F_CUSTOM_SETTING|F_T_CUSTOM|F_BANFROMQS, \
&global_settings.var, lang_id, \
{.custom = (void*)default}, name, NULL, \
{.custom_setting = (struct custom_setting[]){ \
{load_from_cfg, write_to_cfg, is_change, set_default}}}}
/* some sets of values which are used more than once, to save memory */
static const char off_on[] = "off,on";
static const char off_on_ask[] = "off,on,ask";

32
apps/settings_list.h
View file

@ -35,6 +35,7 @@ union storage_type {
char *charptr;
unsigned char *ucharptr;
_isfunc_type func;
void* custom;
};
/* the variable type for the setting */
#define F_T_INT 1
@ -42,6 +43,7 @@ union storage_type {
#define F_T_BOOL 3
#define F_T_CHARPTR 4
#define F_T_UCHARPTR 5
#define F_T_CUSTOM 6 /* MUST use struct custom_setting below */
#define F_T_MASK 0x7
struct sound_setting {
@ -104,6 +106,35 @@ struct table_setting {
#define F_MAX_ISFUNC 0x200000 /* max(above) is function pointer to above type */
#define F_DEF_ISFUNC 0x400000 /* default_val is function pointer to above type */
/* The next stuff is used when none of the other types work.
Should really only be used if the value you want to store in global_settings
is very different to the string you want to use in the config. */
#define F_CUSTOM_SETTING 0x8000
struct custom_setting {
/* load the saved value from the .cfg
setting: pointer into global_settings
value: the text from the .cfg
*/
void (*load_from_cfg)(void* setting, char*value);
/* store the value into a .cfg
setting: pointer into global_settings
buf/buf_len: buffer and length to write the string into.
Returns the string.
*/
char* (*write_to_cfg)(void* setting, char*buf, int buf_len);
/* Check if the setting has been changed from the default.
setting: pointer into global_settings
defaultval: the value given in the settings_list.c macro
Return true if the setting was changed
*/
bool (*is_changed)(void* setting, void* defaultval);
/* Set the setting back to its default value.
setting: pointer into global_settings
defaultval: the value given in the settings_list.c macro
*/
void (*set_default)(void* setting, void* defaultval);
};
#define F_THEMESETTING 0x0800000
#define F_RECSETTING 0x1000000
#define F_EQSETTING 0x2000000
@ -137,6 +168,7 @@ struct settings_list {
const struct int_setting *int_setting; /* use F_INT_SETTING */
const struct choice_setting *choice_setting; /* F_CHOICE_SETTING */
const struct table_setting *table_setting; /* F_TABLE_SETTING */
const struct custom_setting *custom_setting; /* F_CUSTOM_SETTING */
};
};
const struct settings_list* get_settings_list(int*count);