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/*
* HDSPConf
*
* Copyright (C) 2003 Thomas Charbonnel (thomas@undata.org)
*
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#pragma implementation
#include "HC_BreakoutCable.h"
static void setXlrStatus(const char *ctl_name, int val, int card_index)
{
int err;
char card_name[6];
snd_ctl_elem_value_t *ctl;
snd_ctl_elem_id_t *id;
snd_ctl_t *handle;
snprintf(card_name, 6, "hw:%i", card_index);
snd_ctl_elem_value_alloca(&ctl);
snd_ctl_elem_id_alloca(&id);
snd_ctl_elem_id_set_name(id, ctl_name);
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
snd_ctl_elem_id_set_index(id, 0);
snd_ctl_elem_value_set_id(ctl, id);
snd_ctl_elem_value_set_integer(ctl, 0, val);
if ((err = snd_ctl_open(&handle, card_name, SND_CTL_NONBLOCK)) < 0) {
fprintf(stderr, "Error opening ctl interface on card %s\n", card_name);
return;
}
if ((err = snd_ctl_elem_write(handle, ctl)) < 0) {
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_HWDEP);
snd_ctl_elem_value_set_id(ctl, id);
if ((err = snd_ctl_elem_write(handle, ctl)) < 0) {
fprintf(stderr, "Error accessing ctl interface on card %s\n", card_name);
snd_ctl_close(handle);
return;
}
}
snd_ctl_close(handle);
}
void xlr_cb(Fl_Widget *w, void *arg)
{
setXlrStatus("XLR Breakout Cable", ((Fl_Check_Button *)w)->value(), ((HC_CardPane *)arg)->alsa_index);
}
HC_BreakoutCable::HC_BreakoutCable(int x, int y, int w, int h):Fl_Group(x, y, w, h, "Breakout Cable")
{
lock = 0;
box(FL_ENGRAVED_FRAME);
label("Breakout Cable");
labelsize(10);
align(FL_ALIGN_TOP|FL_ALIGN_LEFT);
xlr = new Fl_Check_Button(x+15, y, w-30, 20, "XLR");
xlr->labelsize(10);
xlr->callback(xlr_cb, (void *)parent());
end();
}
void HC_BreakoutCable::setXlr(unsigned char val)
{
if (val != xlr->value()) {
xlr->value(val);
}
}
int HC_BreakoutCable::handle(int e)
{
switch (e) {
case FL_PUSH:
lock = 1;
break;
case FL_RELEASE:
lock = 0;
break;
default:
return Fl_Group::handle(e);
}
return Fl_Group::handle(e);
}
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