Commit eeabfe76 authored by Eli Zaretskii's avatar Eli Zaretskii
Browse files

(kbd_buffer_events_waiting): New function.

parent 41e757a6
......@@ -3251,6 +3251,31 @@ discard_mouse_events ()
/* Return non-zero if there are any events waiting in the event buffer
whose .kind is not no_event. If DISCARD is non-zero, discard all
no_event placeholders up to the first real event. If there are no
real events waiting and DISCARD is non-zero, this function makes
the event buffer empty as side effect. */
kbd_buffer_events_waiting (discard)
int discard;
struct input_event *sp;
for (sp = kbd_fetch_ptr; sp != kbd_store_ptr; sp++)
if (sp == kbd_buffer + KBD_BUFFER_SIZE)
sp = kbd_buffer;
if (sp->kind != no_event)
return 1;
if (discard)
kbd_fetch_ptr = sp;
if (discard)
kbd_fetch_ptr = sp;
return 0;
/* Read one event from the event buffer, waiting if necessary.
The value is a Lisp object representing the event.
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment