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(get_key_code): minor refactoring. 

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2020-02-22 11:04:55 +03:00
parent 444ec92d81
commit 78b01cdf87
1 changed files with 10 additions and 15 deletions
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25
lib/tty/key.c
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@ -1743,12 +1743,11 @@ get_key_code (int no_delay)
pend_send:
if (pending_keys != NULL)
{
int d;
gboolean bad_seq;
d = *pending_keys++;
while (d == ESC_CHAR)
d = ALT (*pending_keys++);
c = *pending_keys++;
while (c == ESC_CHAR)
c = ALT (*pending_keys++);
bad_seq = (*pending_keys != ESC_CHAR && *pending_keys != '\0');
if (*pending_keys == '\0' || bad_seq)
@ -1769,11 +1768,10 @@ get_key_code (int no_delay)
goto nodelay_try_again;
}
if (d > 127 && d < 256 && use_8th_bit_as_meta)
d = ALT (d & 0x7f);
if (c > 127 && c < 256 && use_8th_bit_as_meta)
c = ALT (c & 0x7f);
this = NULL;
return correct_key_code (d);
goto done;
}
nodelay_try_again:
@ -1854,12 +1852,9 @@ get_key_code (int no_delay)
if (this->child == NULL)
{
/* We got a complete match, return and reset search */
int code;
pending_keys = seq_append = NULL;
code = this->code;
this = NULL;
return correct_key_code (code);
c = this->code;
goto done;
}
/* No match yet, but it may be a prefix for a valid seq */
@ -1915,8 +1910,7 @@ get_key_code (int no_delay)
c = ALT (c);
pending_keys = seq_append = NULL;
this = NULL;
return correct_key_code (c);
goto done;
}
/* Unknown sequence. Maybe a prefix of a longer one. Save it. */
@ -1925,6 +1919,7 @@ get_key_code (int no_delay)
goto pend_send;
} /* while (this != NULL) */
done:
this = NULL;
return correct_key_code (c);
}