static int selection_to_val(const struct settings_list *setting, int selection)
{
int min = 0, max = 0, step = 1;
if (((setting->flags & F_BOOL_SETTING) == F_BOOL_SETTING) ||
((setting->flags & F_CHOICE_SETTING) == F_CHOICE_SETTING))
return selection;
else if ((setting->flags & F_TABLE_SETTING) == F_TABLE_SETTING)
{
const struct table_setting *info = setting->table_setting;
if (setting->flags&F_ALLOW_ARBITRARY_VALS &&
table_setting_array_position != -1 &&
(selection >= table_setting_array_position))
{
if (selection == table_setting_array_position)
return table_setting_oldval;
return info->values[selection-1];
}
else
return info->values[selection];
}
else if ((setting->flags & F_T_SOUND) == F_T_SOUND)
{
int setting_id = setting->sound_setting->setting;
#ifndef ASCENDING_INT_SETTINGS
step = sound_steps(setting_id);
max = sound_max(setting_id);
min = sound_min(setting_id);
#else
step = -sound_steps(setting_id);
min = sound_max(setting_id);
max = sound_min(setting_id);
#endif
}
else if ((setting->flags & F_INT_SETTING) == F_INT_SETTING)
{
const struct int_setting *info = setting->int_setting;
#ifndef ASCENDING_INT_SETTINGS
min = info->min;
max = info->max;
step = info->step;
#else
max = info->min;
min = info->max;
step = -info->step;
#endif
}
return max- (selection * step);
}
static int volume_limit_callback(int action,const struct menu_item_ex *this_item)
{
(void)this_item;
static struct int_setting volume_limit_int_setting;
volume_limit_int_setting.option_callback = NULL;
volume_limit_int_setting.unit = UNIT_DB;
volume_limit_int_setting.min = sound_min(SOUND_VOLUME);
volume_limit_int_setting.max = sound_max(SOUND_VOLUME);
volume_limit_int_setting.step = sound_steps(SOUND_VOLUME);
volume_limit_int_setting.formatter = NULL;
volume_limit_int_setting.get_talk_id = get_dec_talkid;
struct settings_list setting;
setting.flags = F_BANFROMQS|F_INT_SETTING|F_T_INT|F_NO_WRAP;
setting.lang_id = LANG_VOLUME_LIMIT;
setting.default_val.int_ = sound_max(SOUND_VOLUME);
setting.int_setting = &volume_limit_int_setting;
switch (action)
{
case ACTION_ENTER_MENUITEM:
setting.setting = &global_settings.volume_limit;
option_screen(&setting, NULL, false, ID2P(LANG_VOLUME_LIMIT));
case ACTION_EXIT_MENUITEM: /* on exit */
setvol();
break;
}
return action;
}
static void val_to_selection(const struct settings_list *setting, int oldvalue,
int *nb_items, int *selected,
void (**function)(int))
{
int var_type = setting->flags&F_T_MASK;
/* set the number of items and current selection */
if (var_type == F_T_INT || var_type == F_T_UINT)
{
if (setting->flags&F_CHOICE_SETTING)
{
*nb_items = setting->choice_setting->count;
*selected = oldvalue;
*function = setting->choice_setting->option_callback;
}
else if (setting->flags&F_TABLE_SETTING)
{
const struct table_setting *info = setting->table_setting;
int i;
*nb_items = info->count;
*selected = -1;
table_setting_array_position = -1;
for (i=0;*selected==-1 && i<*nb_items;i++)
{
if (setting->flags&F_ALLOW_ARBITRARY_VALS &&
(oldvalue < info->values[i]))
{
table_setting_oldval = oldvalue;
table_setting_array_position = i;
*selected = i;
(*nb_items)++;
}
else if (oldvalue == info->values[i])
*selected = i;
}
*function = info->option_callback;
}
else if (setting->flags&F_T_SOUND)
{
int setting_id = setting->sound_setting->setting;
int steps = sound_steps(setting_id);
int min = sound_min(setting_id);
int max = sound_max(setting_id);
*nb_items = (max-min)/steps + 1;
#ifndef ASCENDING_INT_SETTINGS
*selected = (max - oldvalue) / steps;
#else
*selected = (oldvalue - min) / steps;
#endif
*function = sound_get_fn(setting_id);
}
else
{
const struct int_setting *info = setting->int_setting;
int min, max, step;
max = info->max;
min = info->min;
step = info->step;
*nb_items = (max-min)/step + 1;
#ifndef ASCENDING_INT_SETTINGS
*selected = (max - oldvalue) / step;
#else
*selected = (oldvalue - min) / step;
#endif
*function = info->option_callback;
}
}
else if (var_type == F_T_BOOL)
{
*selected = oldvalue;
*nb_items = 2;
boolfunction = setting->bool_setting->option_callback;
if (boolfunction)
*function = bool_funcwrapper;
}
}
/* only the quickscreen and recording trigger needs this */
void option_select_next_val(const struct settings_list *setting,
bool previous, bool apply)
{
int val = 0;
int *value = setting->setting;
if ((setting->flags & F_BOOL_SETTING) == F_BOOL_SETTING)
{
*(bool*)value = !*(bool*)value;
if (apply && setting->bool_setting->option_callback)
setting->bool_setting->option_callback(*(bool*)value);
return;
}
else if ((setting->flags & F_INT_SETTING) == F_INT_SETTING)
{
struct int_setting *info = (struct int_setting *)setting->int_setting;
bool neg_step = (info->step < 0);
if (!previous)
{
val = *value + info->step;
if (neg_step ? (val < info->max) : (val > info->max))
val = info->min;
}
else
{
val = *value - info->step;
if (neg_step ? (val > info->min) : (val < info->min))
val = info->max;
}
*value = val;
if (apply && info->option_callback)
info->option_callback(val);
}
else if ((setting->flags & F_T_SOUND) == F_T_SOUND)
{
int setting_id = setting->sound_setting->setting;
int steps = sound_steps(setting_id);
int min = sound_min(setting_id);
int max = sound_max(setting_id);
if (!previous)
{
val = *value + steps;
if (val >= max)
val = min;
}
else
{
val = *value - steps;
if (val < min)
val = max;
}
*value = val;
}
else if ((setting->flags & F_CHOICE_SETTING) == F_CHOICE_SETTING)
{
struct choice_setting *info = (struct choice_setting *)setting->choice_setting;
val = *value + 1;
if (!previous)
{
val = *value + 1;
if (val >= info->count)
val = 0;
}
else
{
val = *value - 1;
if (val < 0)
val = info->count-1;
}
*value = val;
if (apply && info->option_callback)
info->option_callback(val);
}
else if ((setting->flags & F_TABLE_SETTING) == F_TABLE_SETTING)
{
const struct table_setting *tbl_info = setting->table_setting;
int i, add;
add = previous?tbl_info->count-1:1;
for (i=0; i<tbl_info->count;i++)
{
if ((*value == tbl_info->values[i]) ||
(settings->flags&F_ALLOW_ARBITRARY_VALS &&
*value < tbl_info->values[i]))
{
val = tbl_info->values[(i+add)%tbl_info->count];
break;
}
}
*value = val;
}
}
bool set_sound(const char* string,
int* variable,
int setting)
{
bool done = false;
bool changed = true;
int min, max;
int val;
int numdec;
int integer;
int dec;
const char* unit;
char str[32];
int talkunit = UNIT_INT;
int steps;
int button;
unit = sound_unit(setting);
numdec = sound_numdecimals(setting);
steps = sound_steps(setting);
min = sound_min(setting);
max = sound_max(setting);
if (*unit == 'd') /* crude reconstruction */
talkunit = UNIT_DB;
else if (*unit == '%')
talkunit = UNIT_PERCENT;
else if (*unit == 'H')
talkunit = UNIT_HERTZ;
#ifdef HAVE_LCD_BITMAP
if(global_settings.statusbar)
lcd_setmargins(0, STATUSBAR_HEIGHT);
else
lcd_setmargins(0, 0);
#endif
lcd_clear_display();
lcd_puts_scroll(0,0,string);
while (!done) {
if (changed) {
val = sound_val2phys(setting, *variable);
if(numdec)
{
integer = val / (10 * numdec);
dec = val % (10 * numdec);
snprintf(str,sizeof str, fmt[numdec], integer, dec, unit);
}
else
{
snprintf(str,sizeof str,"%d %s ", val, unit);
}
if (global_settings.talk_menu)
talk_value(val, talkunit, false); /* speak it */
}
lcd_puts(0,1,str);
status_draw(true);
lcd_update();
changed = false;
button = button_get_w_tmo(HZ/2);
switch( button ) {
case SETTINGS_INC:
case SETTINGS_INC | BUTTON_REPEAT:
(*variable)+=steps;
if(*variable > max )
*variable = max;
changed = true;
break;
case SETTINGS_DEC:
case SETTINGS_DEC | BUTTON_REPEAT:
(*variable)-=steps;
if(*variable < min )
*variable = min;
changed = true;
break;
case SETTINGS_OK:
case SETTINGS_CANCEL:
#ifdef SETTINGS_OK2
case SETTINGS_OK2:
#endif
#ifdef SETTINGS_CANCEL2
case SETTINGS_CANCEL2:
#endif
done = true;
break;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED)
return true;
break;
}
if (changed)
sound_set(setting, *variable);
}
lcd_stop_scroll();
return false;
}
