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|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Kevin Ferrare
* Copyright (C) 2007 by Jonathan Gordon
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdlib.h>
#include "string-extra.h"
#include "config.h"
#include "system.h"
#include "option_select.h"
#include "kernel.h"
#include "lang.h"
#include "talk.h"
#include "settings_list.h"
#include "sound.h"
#include "list.h"
#include "action.h"
#include "misc.h"
#include "splash.h"
#include "menu.h"
#include "quickscreen.h"
/* HASFLAG compares value to flags returns true if set, false otherwise */
#define HASFLAG(settings_list, flag) ((settings_list->flags & (flag)) == (flag))
static int selection_to_val(const struct settings_list *setting, int selection);
int option_value_as_int(const struct settings_list *setting)
{
int type = (setting->flags & F_T_MASK);
int temp = 0;
if (type == F_T_BOOL)
temp = *(bool*)setting->setting?1:0;
else if (type == F_T_UINT || type == F_T_INT)
temp = *(int*)setting->setting;
return temp;
}
/* return an auto ranged time string, unit_idx specifies lowest or
base index of the passed value -- flag F_TIME_SETTING calls this */
static const char *option_get_timestring(char *buf, int buf_len,
int val, int unit_idx)
{
return format_time_auto(buf, buf_len, val, unit_idx | UNIT_TRIM_ZERO, false);
}
/* these two vars are needed so arbitrary values can be added to the
TABLE_SETTING settings if the F_ALLOW_ARBITRARY_VALS flag is set */
static int table_setting_oldval = 0, table_setting_array_position = 0;
const char *option_get_valuestring(const struct settings_list *setting,
char *buffer, int buf_len,
intptr_t temp_var)
{
const char* str = buffer;
if (HASFLAG(setting, F_BOOL_SETTING))
{
bool val = (bool)temp_var;
strmemccpy(buffer, str(val? setting->bool_setting->lang_yes :
setting->bool_setting->lang_no), buf_len);
}
#if 0 /* probably dont need this one */
else if (HASFLAG(setting, F_FILENAME))
{
struct filename_setting *info = setting->filename_setting;
snprintf(buffer, buf_len, "%s%s%s", info->prefix,
(char*)temp_var, info->suffix);
}
#endif
else if ((HASFLAG(setting, F_INT_SETTING)) ||
HASFLAG(setting, F_TABLE_SETTING))
{
const struct int_setting *int_info = setting->int_setting;
const struct table_setting *tbl_info = setting->table_setting;
int info_unit;
const char *str_unit;
const char* (*formatter)(char*, size_t, int, const char*);
if (HASFLAG(setting, F_INT_SETTING))
{
formatter = int_info->formatter;
info_unit = int_info->unit;
}
else
{
formatter = tbl_info->formatter;
info_unit = tbl_info->unit;
}
bool is_time_setting = HASFLAG(setting, F_TIME_SETTING);
if (is_time_setting)
str = option_get_timestring(buffer, buf_len, (long)temp_var, info_unit);
str_unit = unit_strings_core[info_unit];
if (formatter)
str = formatter(buffer, buf_len, (int)temp_var, str_unit);
else if (!is_time_setting)
snprintf(buffer, buf_len, "%d %s", (int)temp_var, str_unit?str_unit:"");
}
else if (HASFLAG(setting, F_T_SOUND))
{
format_sound_value(buffer, buf_len,
setting->sound_setting->setting,
temp_var);
}
else if (HASFLAG(setting, F_CHOICE_SETTING))
{
if (HASFLAG(setting, F_CHOICETALKS))
{
const struct choice_setting *info = setting->choice_setting;
if (info->talks[(int)temp_var] < LANG_LAST_INDEX_IN_ARRAY)
{
strmemccpy(buffer, str(info->talks[(int)temp_var]), buf_len);
}
else
{
cfg_int_to_string(setting, (int)temp_var, buffer, buf_len);
}
}
else
{
int value = (int)temp_var;
char *val = P2STR(setting->choice_setting->desc[value]);
strmemccpy(buffer, val, buf_len);
}
}
return str;
}
void option_talk_value(const struct settings_list *setting, int value, bool enqueue)
{
if (HASFLAG(setting, F_BOOL_SETTING))
{
bool val = (value==1);
talk_id(val? setting->bool_setting->lang_yes :
setting->bool_setting->lang_no, enqueue);
}
#if 0 /* probably dont need this one */
else if (HASFLAG(setting, F_FILENAME))
{
}
#endif
else if ((HASFLAG(setting, F_INT_SETTING)) ||
HASFLAG(setting, F_TABLE_SETTING))
{
const struct int_setting *int_info = setting->int_setting;
const struct table_setting *tbl_info = setting->table_setting;
int unit;
int32_t (*get_talk_id)(int, int);
if (HASFLAG(setting, F_INT_SETTING))
{
unit = int_info->unit;
get_talk_id = int_info->get_talk_id;
}
else
{
unit = tbl_info->unit;
get_talk_id = tbl_info->get_talk_id;
}
if (get_talk_id)
talk_id(get_talk_id(value, unit), enqueue);
else if (HASFLAG(setting, F_TIME_SETTING))
talk_time_intervals(value, unit, enqueue);
else
talk_value(value, unit, enqueue);
}
else if (HASFLAG(setting, F_T_SOUND))
{
int talkunit = UNIT_INT;
int sound_setting = setting->sound_setting->setting;
const char *unit = sound_unit(sound_setting);
int decimals = sound_numdecimals(sound_setting);
int phys = sound_val2phys(sound_setting, value);
if (!strcmp(unit, "dB"))
talkunit = UNIT_DB;
else if (!strcmp(unit, "%"))
talkunit = UNIT_PERCENT;
else if (!strcmp(unit, "Hz"))
talkunit = UNIT_HERTZ;
talk_value_decimal(phys, talkunit, decimals, enqueue);
}
else if (HASFLAG(setting, F_CHOICE_SETTING))
{
if (HASFLAG(setting, F_CHOICETALKS))
{
talk_id(setting->choice_setting->talks[value], enqueue);
}
else
{
talk_id(P2ID(setting->choice_setting->desc[value]), enqueue);
}
}
}
static int option_talk(int selected_item, void * data)
{
struct settings_list *setting = (struct settings_list *)data;
int temp_var = selection_to_val(setting, selected_item);
option_talk_value(setting, temp_var, false);
return 0;
}
#if defined(HAVE_QUICKSCREEN) || defined(HAVE_RECORDING) || defined(HAVE_TOUCHSCREEN)
/* only the quickscreen and recording trigger needs this */
void option_select_next_val(const struct settings_list *setting,
bool previous, bool apply)
{
bool repeated = get_action_statuscode(NULL) & ACTION_REPEAT;
int val = 0;
int *value = setting->setting;
if (HASFLAG(setting, F_BOOL_SETTING))
{
if (repeated)
return;
*(bool*)value = !*(bool*)value;
if (apply && setting->bool_setting->option_callback)
setting->bool_setting->option_callback(*(bool*)value);
return;
}
else if (HASFLAG(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 = repeated ? *value : info->min;
}
else
{
val = *value - info->step;
if (neg_step ? (val > info->min) : (val < info->min))
val = repeated ? *value : info->max;
}
*value = val;
if (apply && info->option_callback)
info->option_callback(val);
}
else if (HASFLAG(setting, 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 = repeated ? *value : min;
}
else
{
val = *value - steps;
if (val < min)
val = repeated ? *value : max;
}
*value = val;
if (apply)
sound_set(setting_id, val);
}
else if (HASFLAG(setting, F_CHOICE_SETTING))
{
struct choice_setting *info = (struct choice_setting *)setting->choice_setting;
if (!previous)
{
val = *value + 1;
if (val >= info->count)
val = repeated ? *value : 0;
}
else
{
val = *value - 1;
if (val < 0)
val = repeated ? *value : info->count-1;
}
*value = val;
if (apply && info->option_callback)
info->option_callback(val);
}
else if (HASFLAG(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]))
{
int index = (i+add)%tbl_info->count;
if (repeated && ((i == 0 && previous) || (!previous && i == tbl_info->count -1)))
val = *value;
else
val = tbl_info->values[index];
break;
}
}
*value = val;
if (apply && tbl_info->option_callback)
tbl_info->option_callback(val);
}
}
#endif
static int selection_to_val(const struct settings_list *setting, int selection)
{
/* rockbox: comment 'set but unused' variables
int min = 0;
*/
int max = 0, step = 1;
if ((HASFLAG(setting, F_BOOL_SETTING)) ||
HASFLAG(setting, F_CHOICE_SETTING))
{
return selection;
}
else if (HASFLAG(setting, F_TABLE_SETTING))
{
const struct table_setting *info = setting->table_setting;
if (HASFLAG(setting, 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 (HASFLAG(setting, F_T_SOUND))
{
int setting_id = setting->sound_setting->setting;
if(global_settings.list_order == LIST_ORDER_DESCENDING)
{
step = sound_steps(setting_id);
max = (setting_id == SOUND_VOLUME) ?
global_settings.volume_limit : 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);
}
}
else if (HASFLAG(setting, F_INT_SETTING))
{
const struct int_setting *info = setting->int_setting;
if(global_settings.list_order == LIST_ORDER_DESCENDING)
{
/* min = info->min; */
max = info->max;
step = info->step;
}
else
{
max = info->min;
/* min = info->max; */
step = -info->step;
}
}
return max- (selection * step);
}
static const char * value_setting_get_name_cb(int selected_item,
void * data,
char *buffer,
size_t buffer_len)
{
selected_item = selection_to_val(data, selected_item);
return option_get_valuestring(data, buffer, buffer_len, selected_item);
}
/* wrapper to convert from int param to bool param in option_screen */
static void (*boolfunction)(bool);
static void bool_funcwrapper(int value)
{
if (value)
boolfunction(true);
else
boolfunction(false);
}
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 (HASFLAG(setting, F_CHOICE_SETTING))
{
*nb_items = setting->choice_setting->count;
*selected = oldvalue;
*function = setting->choice_setting->option_callback;
}
else if (HASFLAG(setting, 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 (HASFLAG(setting, 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 (HASFLAG(setting, F_T_SOUND))
{
int setting_id = setting->sound_setting->setting;
int steps = sound_steps(setting_id);
int min = sound_min(setting_id);
int max = (setting_id == SOUND_VOLUME) ?
global_settings.volume_limit : sound_max(setting_id);
*nb_items = (max-min)/steps + 1;
if (global_settings.list_order == LIST_ORDER_DESCENDING)
*selected = (max - oldvalue) / steps;
else
*selected = (oldvalue - min) / steps;
*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;
if(global_settings.list_order == LIST_ORDER_DESCENDING)
*selected = (max - oldvalue) / step;
else
*selected = (oldvalue - min) / step;
*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;
}
}
bool option_screen(const struct settings_list *setting,
struct viewport parent[NB_SCREENS],
bool use_temp_var, const unsigned char* option_title)
{
int action;
bool done = false;
struct gui_synclist lists;
int oldvalue, nb_items = 0, selected = 0, temp_var;
int *variable;
bool allow_wrap = (!HASFLAG(setting, F_NO_WRAP));
bool cb_on_select_only = HASFLAG(setting, F_CB_ON_SELECT_ONLY);
bool cb_on_changed = HASFLAG(setting, F_CB_ONLY_IF_CHANGED);
int var_type = setting->flags&F_T_MASK;
void (*function)(int) = NULL;
const char *title = NULL;
if (var_type == F_T_INT || var_type == F_T_UINT)
{
variable = use_temp_var ? &temp_var: (int*)setting->setting;
temp_var = oldvalue = *(int*)setting->setting;
}
else if (var_type == F_T_BOOL)
{
/* bools always use the temp variable...
if use_temp_var is false it will be copied to setting->setting every change */
variable = &temp_var;
temp_var = oldvalue = *(bool*)setting->setting?1:0;
}
else return false; /* only int/bools can go here */
push_current_activity(ACTIVITY_OPTIONSELECT);
gui_synclist_init(&lists, value_setting_get_name_cb,
(void*)setting, false, 1, parent);
if (setting->lang_id == -1)
{
title = setting_get_cfgvals(setting);
}
if (!title)
title = P2STR(option_title);
gui_synclist_set_title(&lists, title, Icon_Questionmark);
if(global_settings.talk_menu)
gui_synclist_set_voice_callback(&lists, option_talk);
val_to_selection(setting, oldvalue, &nb_items, &selected, &function);
gui_synclist_set_nb_items(&lists, nb_items);
gui_synclist_select_item(&lists, selected);
gui_synclist_draw(&lists);
/* talk the item */
gui_synclist_speak_item(&lists);
while (!done)
{
/* override user wraparound setting; used mainly by EQ settings.
* Not sure this is justified? */
if (!allow_wrap)
lists.wraparound = false;
if (list_do_action(CONTEXT_LIST, HZ, /* HZ so the status bar redraws */
&lists, &action))
{
/* setting changed */
selected = gui_synclist_get_sel_pos(&lists);
*variable = selection_to_val(setting, selected);
if (var_type == F_T_BOOL && !use_temp_var)
*(bool*)setting->setting = (*variable==1);
}
else if (action == ACTION_NONE)
continue;
else if (action == ACTION_STD_CANCEL || action == ACTION_STD_MENU)
{
/* setting canceled, restore old value if changed */
if (*variable != oldvalue)
{
*variable = oldvalue;
if (var_type == F_T_BOOL && !use_temp_var)
*(bool*)setting->setting = (oldvalue==1);
splash(HZ/2, ID2P(LANG_CANCEL));
}
done = true;
}
else if (action == ACTION_STD_CONTEXT)
{
/* reset setting to default */
reset_setting(setting, variable);
if (var_type == F_T_BOOL && !use_temp_var)
*(bool*)setting->setting = (*variable==1);
val_to_selection(setting, *variable, &nb_items,
&selected, &function);
gui_synclist_select_item(&lists, selected);
gui_synclist_draw(&lists);
gui_synclist_speak_item(&lists);
}
else if (action == ACTION_STD_OK)
{
/* setting accepted, store now if it used a temp var */
if (use_temp_var)
{
if (var_type == F_T_INT || var_type == F_T_UINT)
*(int*)setting->setting = *variable;
else
*(bool*)setting->setting = (*variable==1);
}
settings_save();
done = true;
cb_on_select_only = false; /* unset the flag so callback can be called */
}
else if(default_event_handler(action) == SYS_USB_CONNECTED)
{
pop_current_activity();
return true;
}
/* callback */
if (!cb_on_select_only && function)
{
if (!cb_on_changed || (*variable != oldvalue))
{
function(*variable);
/* if the volume is changing we need to let the skins know */
if (function == sound_get_fn(SOUND_VOLUME))
global_status.last_volume_change = current_tick;
}
}
}
pop_current_activity();
return false;
}
int get_setting_info_for_bar(const struct settings_list *setting, int offset, int *count, int *val)
{
int var_type = setting->flags&F_T_MASK;
void (*function)(int) = NULL;
int oldvalue;
if (var_type == F_T_INT || var_type == F_T_UINT)
{
if (!(setting->flags&F_EQSETTING) || offset > 2)
offset = 0;
oldvalue = ((int*)setting->setting)[offset];
}
else if (var_type == F_T_BOOL)
{
oldvalue = *(bool*)setting->setting?1:0;
}
else
{
*val = 0;
*count = 1;
return false; /* only int/bools can go here */
}
val_to_selection(setting, oldvalue, count, val, &function);
return true;
}
#ifdef HAVE_TOUCHSCREEN
void update_setting_value_from_touch(const struct settings_list *setting, int offset, int selection)
{
int new_val = selection_to_val(setting, selection);
int var_type = setting->flags&F_T_MASK;
if (var_type == F_T_INT || var_type == F_T_UINT)
{
if (!(setting->flags&F_EQSETTING) || offset > 2)
offset = 0;
((int*)setting->setting)[offset] = new_val;
}
else if (var_type == F_T_BOOL)
{
*(bool*)setting->setting = new_val ? true : false;
}
}
#endif
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