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#include "gamix.h"
#include <err.h>
#include <errno.h>
static snd_ctl_event_t *ev=NULL;
static snd_ctl_elem_id_t *e_id=NULL;
static void cb_info(s_card_t *c,snd_ctl_elem_id_t *eid) {
s_ctl_t *ctl;
snd_ctl_elem_info_t *info;
int err,i,j;
long n;
struct s_ep *p;
GtkWidget **w;
gboolean ss;
n=snd_ctl_elem_id_get_numid(eid);
ctl=&c->controls[n-1];
if( snd_ctl_elem_id_get_numid(ctl->id) == n &&
strcmp(snd_ctl_elem_id_get_name(eid),
snd_ctl_elem_id_get_name(ctl->id)) == 0 &&
snd_ctl_elem_id_get_index(eid) == snd_ctl_elem_id_get_index(ctl->id)
) {
info=ctl->info;
if( (err=snd_ctl_elem_info(c->handle,info))< 0 ) return;
ss=is_access(ctl->info);
p=ctl->el;
while( p ) {
if( *p->e->enabled ) {
w=p->e->w;
j=snd_ctl_elem_info_get_count(info)+((p->e->atype==2)?3:0);
for( i=0 ; i<j; i++ ) {
gtk_widget_set_sensitive(w[i],ss);
}
}
p=p->next;
}
} else {
}
}
static void cb_value(s_card_t *c,snd_ctl_elem_id_t *eid) {
s_ctl_t *ctl;
snd_ctl_elem_info_t *info;
snd_ctl_elem_value_t *val;
int err,i,count;
long n;
struct s_ep *p;
GtkWidget **w;
GtkAdjustment **adj;
n=snd_ctl_elem_id_get_numid(eid);
ctl=&c->controls[n-1];
if( snd_ctl_elem_id_get_numid(ctl->id) == n &&
strcmp(snd_ctl_elem_id_get_name(eid),
snd_ctl_elem_id_get_name(ctl->id)) == 0 &&
snd_ctl_elem_id_get_index(eid) == snd_ctl_elem_id_get_index(ctl->id)
) {
info=ctl->info;
if( is_access(info) ) {
val=ctl->ctl;
if( (err=snd_ctl_elem_read(c->handle,val)) < 0 ) {
pr_err(_("control read err"));
return;
}
p=ctl->el;
count=snd_ctl_elem_info_get_count(info);
while( p ) {
if( *p->e->enabled ) {
w=p->e->w;
switch(snd_ctl_elem_info_get_type(info)) {
case SND_CTL_ELEM_TYPE_BOOLEAN:
for( i=0 ; i<count ; i++ )
gtk_toggle_button_set_active(
GTK_TOGGLE_BUTTON(w[i]),
snd_ctl_elem_value_get_boolean(val,i));
break;
case SND_CTL_ELEM_TYPE_INTEGER:
if( p->e->atype == 3 ) {
char txt[10];
for( i=0 ; i<count ; i++ ) {
sprintf(txt,"%ld",snd_ctl_elem_value_get_integer(val,i));
gtk_entry_set_text(GTK_ENTRY(p->e->w[i]),txt);
}
break;
}
adj=p->e->adj;
for( i=0 ; i<count ; i++ ) {
//printf(" %ld",ctl->ctl.value.integer.value[i]);
if( (p->e->atype&1) == 0 )
adj[i]->value=(gfloat)snd_ctl_elem_value_get_integer(val,i);
else
adj[i]->value=-(gfloat)snd_ctl_elem_value_get_integer(val,i);
gtk_signal_emit_by_name(GTK_OBJECT(adj[i]),
"value_changed");
}
break;
case SND_CTL_ELEM_TYPE_ENUMERATED:
for( i=0 ; i<count ; i++ )
gtk_option_menu_set_history(GTK_OPTION_MENU(w[i]),
snd_ctl_elem_value_get_enumerated(val,i));
break;
default:
break;
}
}
p=p->next;
}
}
} else {
}
}
int time_init(void) {
if( snd_ctl_event_malloc(&ev)<0 ) return -1;
if( snd_ctl_elem_id_malloc(&e_id)<0 ) return -1;
return 0;
}
gint time_callback(gpointer data) {
int i,n,err;
unsigned int mask;
for( i=0 ; i<card_last ; i++ ) {
if( cards[i].handle == NULL ) continue;
#if 0
err=read(cards[i].pfd.fd,ev,snd_ctl_event_sizeof());
if( err< 0 ) {
printf("hoe %d: %d\n",err,errno);
}
snd_ctl_event_elem_get_id(ev,e_id);
printf("%d: type %d id '%s',%d",i,
snd_ctl_event_get_type(ev),
snd_ctl_elem_id_get_name(e_id),
snd_ctl_elem_id_get_index(e_id));
#endif
while((n=poll(&cards[i].pfd,1,0))> 0 ) {
if( (err=snd_ctl_read(cards[i].handle,ev))<0 ) {
printf("hoe %d: %s\n",err,snd_strerror(err));
continue;
}
snd_ctl_event_elem_get_id(ev,e_id);
mask=snd_ctl_event_elem_get_mask(ev);
#ifdef DISP_DEBUG
printf("%d: type %s mask %02x id '%s',%d\n",i,
snd_ctl_event_type_name(snd_ctl_event_get_type(ev)),
mask,
snd_ctl_elem_id_get_name(e_id),
snd_ctl_elem_id_get_index(e_id));
#endif
if( (mask&SND_CTL_EVENT_MASK_INFO) ) cb_info(cards+i,e_id);
if( (mask&SND_CTL_EVENT_MASK_VALUE) ) cb_value(cards+i,e_id);
}
}
return 1;
}
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