int
read_key (KeySym *keysym, unsigned int *modifiers, char *keysym_name, int len)
{
XEvent ev;
int nbytes;
/* Read a key from the keyboard. */
do
{
XMaskEvent (dpy, KeyPressMask|KeyRelease, &ev);
*modifiers = ev.xkey.state;
nbytes = cook_keycode (&ev.xkey, keysym, modifiers, keysym_name, len, 0);
} while (IsModifierKey (*keysym) || ev.xkey.type == KeyRelease);
return nbytes;
}
/* Called by the kbd q'd irq handler when a key code is available in a cooked
console. */
static void
cooked_use_key(struct kbd *kbd, int shift_state, u_char key_code,
u_char up_code)
{
struct cooked_kbd *ck = (struct cooked_kbd *)kbd;
DB(("cuk: kbd=%p, shift_state=%#x, key_code=%#x, up_code=%#x\n",
kbd, shift_state, key_code, up_code));
if(up_code == 0)
{
char *str;
switch(key_code)
{
case K_CAPS_LOCK:
DB(("cuk: toggling caps_lock\n"));
toggle_lock_state(ck, L_CAPS_LOCK);
break;
case K_NUM_LOCK:
DB(("cuk: toggling num_lock\n"));
toggle_lock_state(ck, L_NUM_LOCK);
break;
case K_SCROLL_LOCK:
DB(("cuk: toggling scroll_lock\n"));
toggle_lock_state(ck, L_SCROLL_LOCK);
break;
}
str = cook_keycode(key_code, shift_state, ck->lock_state);
if(str != NULL)
{
switch(ck->type)
{
case ct_Func:
DB(("cuk: feeding `%s' to function %p\n", str, ck->func));
while(*str)
ck->receiver.func(*str++);
break;
case ct_Task:
{
int len = strlen(str);
while(len-- > 0)
{
int new_in = ((ck->receiver.task.in + 1)
% COOKED_BUFSIZ);
if(new_in == ck->receiver.task.out)
break;
ck->receiver.task.buf[ck->receiver.task.in] = *str++;
ck->receiver.task.in = new_in;
}
if(ck->receiver.task.task != NULL)
{
kernel->wake_task(ck->receiver.task.task);
ck->receiver.task.task = NULL;
}
break;
}
case ct_None:
break;
}
}
}
}
