- if (total_keys < NUM_RECENT_KEYS)
- total_keys--;
- if (--recent_keys_index < 0)
- recent_keys_index = NUM_RECENT_KEYS - 1;
- ASET (recent_keys, recent_keys_index, Qnil);
+ total_keys += total_keys < NUM_RECENT_KEYS;
+ ASET (recent_keys, recent_keys_index, c);
+ if (++recent_keys_index >= NUM_RECENT_KEYS)
+ recent_keys_index = 0;
+ }
+ else if (recorded < 0)
+ {
+ /* We need to remove one or two events from recent_keys.
+ To do this, we simply put nil at those events and move the
+ recent_keys_index backwards over those events. Usually,
+ users will never see those nil events, as they will be
+ overwritten by the command keys entered to see recent_keys
+ (e.g. C-h l). */
+
+ while (recorded++ < 0 && total_keys > 0)
+ {
+ if (total_keys < NUM_RECENT_KEYS)
+ total_keys--;
+ if (--recent_keys_index < 0)
+ recent_keys_index = NUM_RECENT_KEYS - 1;
+ ASET (recent_keys, recent_keys_index, Qnil);
+ }