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/*
* card_select.c - select a card by list or device name
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "aconfig.h"
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <alsa/asoundlib.h>
#include <menu.h>
#include "gettext_curses.h"
#include "die.h"
#include "mem.h"
#include "utils.h"
#include "colors.h"
#include "widget.h"
#include "menu_widget.h"
#include "mixer_widget.h"
#include "device_name.h"
#include "card_select.h"
struct card {
struct card *next;
char *indexstr;
char *name;
char *device_name;
};
static struct widget list_widget;
static struct card first_card;
static ITEM **items;
static MENU *menu;
static ITEM *initial_item;
static void on_key_enter(void)
{
ITEM *item = current_item(menu);
if (item) {
struct card *card = item_userptr(item);
if (card->device_name) {
if (select_card_by_name(card->device_name))
list_widget.close();
} else {
create_device_name_form();
}
}
}
static void on_handle_key(int key)
{
switch (menu_widget_handle_key(menu, key)) {
case KEY_ENTER:
on_key_enter();
break;
case KEY_CANCEL:
list_widget.close();
break;
}
}
static void create(void)
{
menu_widget_create(&list_widget, menu, _("Sound Card"));
}
void close_card_select_list(void)
{
unsigned int i;
struct card *card, *next_card;
unpost_menu(menu);
free_menu(menu);
for (i = 0; items[i]; ++i)
free_item(items[i]);
free(items);
for (card = first_card.next; card; card = next_card) {
next_card = card->next;
free(card->indexstr);
free(card->name);
free(card->device_name);
free(card);
}
widget_free(&list_widget);
}
static struct widget list_widget = {
.handle_key = on_handle_key,
.window_size_changed = create,
.close = close_card_select_list,
};
static int get_cards(void)
{
int count, number, err;
snd_ctl_t *ctl;
snd_ctl_card_info_t *info;
char buf[16];
struct card *card, *prev_card;
first_card.indexstr = "-";
first_card.name = _("(default)");
first_card.device_name = "default";
count = 1;
snd_ctl_card_info_alloca(&info);
prev_card = &first_card;
number = -1;
for (;;) {
err = snd_card_next(&number);
if (err < 0)
fatal_alsa_error(_("cannot enumerate sound cards"), err);
if (number < 0)
break;
#if defined(SND_LIB_VER) && SND_LIB_VER(1, 2, 5) <= SND_LIB_VERSION
sprintf(buf, "sysdefault:%d", number);
#else
sprintf(buf, "hw:%d", number);
#endif
err = snd_ctl_open(&ctl, buf, 0);
if (err < 0)
continue;
err = snd_ctl_card_info(ctl, info);
snd_ctl_close(ctl);
if (err < 0)
continue;
card = ccalloc(1, sizeof *card);
card->device_name = cstrdup(buf);
card->indexstr = cstrdup(buf + 3);
card->name = cstrdup(snd_ctl_card_info_get_name(info));
prev_card->next = card;
prev_card = card;
++count;
}
card = ccalloc(1, sizeof *card);
card->indexstr = cstrdup(" ");
card->name = cstrdup(_("enter device name..."));
prev_card->next = card;
++count;
return count;
}
static void create_list_items(int cards)
{
int i;
struct card *card;
ITEM *item;
initial_item = NULL;
items = ccalloc(cards + 1, sizeof(ITEM*));
i = 0;
for (card = &first_card; card; card = card->next) {
item = new_item(card->indexstr, card->name);
if (!item)
fatal_error("cannot create menu item");
set_item_userptr(item, card);
items[i++] = item;
if (!initial_item &&
mixer_device_name &&
(!card->device_name ||
!strcmp(card->device_name, mixer_device_name)))
initial_item = item;
}
assert(i == cards);
}
void create_card_select_list(void)
{
int cards;
cards = get_cards();
create_list_items(cards);
menu = new_menu(items);
if (!menu)
fatal_error("cannot create menu");
set_menu_fore(menu, attrs.menu_selected);
set_menu_back(menu, attrs.menu);
set_menu_mark(menu, NULL);
if (initial_item)
set_current_item(menu, initial_item);
set_menu_spacing(menu, 2, 1, 1);
menu_opts_on(menu, O_SHOWDESC);
create();
}
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