/*****************************************************************************

   rmedigicontrol.c

   Copyright (C) 2003 by Robert Vetter <postmaster@robertvetter.com>

   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.

*****************************************************************************/

#include "rmedigicontrol.h"

snd_ctl_t *ctl;

ctl_elem_info_val_t input_iv;

ctl_elem_info_val_t clock_iv;

ctl_elem_info_val_t monitor_iv;

ctl_elem_info_val_t att_iv;

void destroy(GtkWidget *widget,gpointer data)

{

	snd_ctl_close(ctl);	

    gtk_main_quit();

}

int main(int argc, char *argv[])

{

	int card;

	char name[8],*err;

	snd_ctl_card_info_t *hw_info;

	card_type_t type;

	GtkWidget *window,*main_box,*input_box,*loopback_box,*clock_box,*monitor_box,*att_box,*level_box;

	GtkWidget *col1_box,*col2_box,*err_lbl;

	snd_ctl_card_info_alloca(&hw_info);

	card = -1;

	type = NO_CARD;

	err=NULL;

	if(snd_card_next(&card)<0 || card<0)

		err="no soundcards found...";

	while(card>=0)

	{

		sprintf(name,"hw:%d",card);

		if(snd_ctl_open(&ctl, name, 0)<0)

		{

			err="snd_ctl_open Error";

			break;

			exit(EXIT_FAILURE);

		}

		if(snd_ctl_card_info(ctl, hw_info)< 0)

		{

			err="snd_ctl_card_info Error";

			break;

			exit(EXIT_FAILURE);

		}

		if(strcmp(snd_ctl_card_info_get_driver(hw_info),"Digi32")==0)

		{

			type=DIGI32;

			break;

		}

		if(strcmp(snd_ctl_card_info_get_driver(hw_info),"Digi96")==0)

		{

			if(strcmp(snd_ctl_card_info_get_name(hw_info),"RME Digi96")==0)

				type=DIGI96;

			else if(strcmp(snd_ctl_card_info_get_name(hw_info),"RME Digi96/8")==0)

				type=DIGI96_8;

			else

				type=DIGI96_8_OTHER;

			break;

		}

		snd_card_next(&card;;

	}

	if(card<0)

		err="No RME Digi Soundcard found...";

	gtk_init(&argc, &argv);	

	window=gtk_window_new(GTK_WINDOW_TOPLEVEL);

	gtk_signal_connect(GTK_OBJECT(window),"destroy",GTK_SIGNAL_FUNC(destroy),NULL);

	if(err)

	{

		err_lbl=gtk_label_new(err);

		gtk_container_add(GTK_CONTAINER(window),err_lbl);

		gtk_widget_show_all(window);

		gtk_main ();	

		exit(EXIT_FAILURE);	

	}

	gtk_window_set_title(GTK_WINDOW(window),snd_ctl_card_info_get_name(hw_info));

	main_box=gtk_hbox_new(FALSE,0);

	col1_box=gtk_vbox_new(FALSE,0);	

	col2_box=gtk_vbox_new(FALSE,0);	

	input_box=create_enum_elem_radio("Input Connector",&input_iv);

	gtk_box_pack_start(GTK_BOX(col1_box),input_box,TRUE,FALSE,0);

	loopback_box=create_loopback_toggle();

	gtk_box_pack_start(GTK_BOX(col1_box),loopback_box,TRUE,FALSE,0);

	clock_box=create_enum_elem_radio("Sample Clock Source",&clock_iv);

	gtk_box_pack_start(GTK_BOX(col1_box),clock_box,TRUE,FALSE,0);

	gtk_box_pack_start(GTK_BOX(main_box),col1_box,TRUE,FALSE,8);

	if(type==DIGI96_8_OTHER)

	{

		monitor_box=create_enum_elem_radio("Monitor Tracks",&monitor_iv);

		gtk_box_pack_start(GTK_BOX(col2_box),monitor_box,TRUE,FALSE,0);

		att_box=create_enum_elem_radio("Attenuation",&att_iv);

		gtk_box_pack_start(GTK_BOX(col2_box),att_box,TRUE,FALSE,0);

		gtk_box_pack_start(GTK_BOX(main_box),col2_box,TRUE,TRUE,8);

		level_box=create_level_box();

		gtk_box_pack_start(GTK_BOX(main_box),level_box,TRUE,TRUE,8);

	}

	gtk_container_add(GTK_CONTAINER(window),main_box);		

	gtk_widget_show_all(window);

	gtk_main ();

	return EXIT_SUCCESS;

}

void elem_radio_toggled(GtkRadioButton *r,gpointer p)

{

	int i;

	GSList *l;

	ctl_elem_info_val_t *iv;

	iv=(ctl_elem_info_val_t *)p;

	l=gtk_radio_button_group(r);

	i=snd_ctl_elem_info_get_items(iv->info);

	while(l)

	{

		i--;

		if(l->data==r && i>=0)

		{

			snd_ctl_elem_value_set_enumerated(iv->val,0,i);

			snd_ctl_elem_write(ctl, iv->val);

		}

		l=l->next;

	}

}

GtkWidget *create_enum_elem_radio(char *elem_name,ctl_elem_info_val_t *iv)

{

	GtkWidget *r,*box,*active,*frame;

	int i;

	GSList *group;

	snd_ctl_elem_info_malloc(&iv->info);

	snd_ctl_elem_value_malloc(&iv->val);

	group=NULL;

	active=NULL;

	box=gtk_vbox_new(TRUE,0);

	snd_ctl_elem_info_set_interface(iv->info, SND_CTL_ELEM_IFACE_MIXER);

	snd_ctl_elem_info_set_name(iv->info,elem_name);

	snd_ctl_elem_info_set_numid(iv->info,0);

	snd_ctl_elem_info(ctl,iv->info);

	snd_ctl_elem_value_set_interface(iv->val, SND_CTL_ELEM_IFACE_MIXER);

	snd_ctl_elem_value_set_name(iv->val,elem_name);

	snd_ctl_elem_read(ctl,iv->val);

	for(i=0;i<snd_ctl_elem_info_get_items(iv->info);i++)

	{

		snd_ctl_elem_info_set_item(iv->info, i);

		snd_ctl_elem_info(ctl,iv->info);

		r=gtk_radio_button_new_with_label(group,snd_ctl_elem_info_get_item_name(iv->info));

		group=gtk_radio_button_group(GTK_RADIO_BUTTON(r));

		gtk_signal_connect(GTK_OBJECT(r),"toggled",GTK_SIGNAL_FUNC(elem_radio_toggled),(gpointer)iv);

		if(i==snd_ctl_elem_value_get_integer(iv->val,0))

			active=r;

		gtk_box_pack_start(GTK_BOX(box),r,TRUE,FALSE,0);

	}

	if(active)

		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(active),TRUE);

	frame=gtk_frame_new(elem_name);

	gtk_frame_set_shadow_type(GTK_FRAME(frame),GTK_SHADOW_IN);

	gtk_container_add(GTK_CONTAINER(frame),box);

	return frame;

}