/*

 *   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_PrefSyncRef.h"

void pref_sync_ref_cb(Fl_Widget *w, void *arg)

{

    int err;

    char card_name[6];

    snd_ctl_elem_value_t *ctl;

    snd_ctl_elem_id_t *id;

    snd_ctl_t *handle;

    int ref = 0;

    HC_PrefSyncRef *psr = (HC_PrefSyncRef *)arg;

    HC_CardPane *pane = (HC_CardPane *)(psr->parent());

    Fl_Round_Button *source = (Fl_Round_Button *)w;

    if (source == psr->word_clock) {

	ref = 0;

    } else if (source == psr->spdif) {

	ref = 1;

    } else if (source == psr->adat1) {

	ref = 2;

    } else if (source == psr->adat_sync) {

	ref = 3;

    } else if (source == psr->adat2) {

	ref = 4;

    } else if (source == psr->adat3) {

	ref = 5;

    }

    snprintf(card_name, 6, "hw:%i", pane->alsa_index);

    snd_ctl_elem_value_alloca(&ctl;;

    snd_ctl_elem_id_alloca(&id;;

    snd_ctl_elem_id_set_name(id, "Preferred Sync Reference");

    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_enumerated(ctl, 0, ref);

    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);

}

HC_PrefSyncRef::HC_PrefSyncRef(int x, int y, int w, int h):Fl_Group(x, y, w, h, "Pref. Sync Ref")

{

	int i = 0;

	if (((HC_CardPane *)parent())->type == Multiface || ((HC_CardPane *)parent())->type == H9632) {

	    adat_name = "ADAT In";

	} else {

	    adat_name = "ADAT1 In";

	}

	box(FL_ENGRAVED_FRAME);;

	label("Pref. Sync Ref");

	labelsize(10);

	align(FL_ALIGN_TOP|FL_ALIGN_LEFT);

	word_clock = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "Word Clock");

	word_clock->callback(pref_sync_ref_cb, (void *)this);

	if (((HC_CardPane *)parent())->type != H9632) {

	    adat_sync = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "ADAT Sync");

	    adat_sync->callback(pref_sync_ref_cb, (void *)this);

	    adat_sync->labelsize(10);

	    adat_sync->type(FL_RADIO_BUTTON);

	}

	spdif = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "SPDIF In");

	spdif->callback(pref_sync_ref_cb, (void *)this);

	adat1 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, adat_name);

	adat1->callback(pref_sync_ref_cb, (void *)this);

	if (((HC_CardPane *)parent())->type != Multiface && ((HC_CardPane *)parent())->type != H9632) {

	    adat2 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "ADAT2 In");

	    adat2->labelsize(10);

	    adat2->type(FL_RADIO_BUTTON);

	    adat2->callback(pref_sync_ref_cb, (void *)this);

	    adat3 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "ADAT3 In");

	    adat3->labelsize(10);

	    adat3->type(FL_RADIO_BUTTON);

	    adat3->callback(pref_sync_ref_cb, (void *)this);

	}	

	adat1->labelsize(10);

	adat1->type(FL_RADIO_BUTTON);

	spdif->labelsize(10);

	spdif->type(FL_RADIO_BUTTON);

	word_clock->labelsize(10);

	word_clock->type(FL_RADIO_BUTTON);

	end();	

}

void HC_PrefSyncRef::setRef(int r)

{

	switch (r) {

	case 0:

	    if (word_clock->value() != 1)

		word_clock->setonly();

	    break;

	case 1:

	    if (spdif->value() != 1)

		spdif->setonly();

	    break;

	case 2:

	    if (adat1->value() != 1)

		adat1->setonly();

	    break;

	case 3:

	    if (((HC_CardPane *)parent())->type != H9632)

		if (adat_sync->value() != 1)

		    adat_sync->setonly();

	    break;

	case 4:

	    if (((HC_CardPane *)parent())->type == H9652 || ((HC_CardPane *)parent())->type == Digiface)

		if (adat2->value() != 1)

		    adat2->setonly();

	    break;		    	    

	case 5:

	    if (((HC_CardPane *)parent())->type == H9652 || ((HC_CardPane *)parent())->type == Digiface)

		if (adat3->value() != 1)

		    adat3->setonly();

	    break;		    	    

	}

}