Commit 2d9eea44 authored by Kenichi Handa's avatar Kenichi Handa
Browse files

(adjust_before_replace): Comment added.

(adjust_after_replace): Comment added.  Give correct args to
adjust_point.  Don't call signal_after_change here.
parent 2189766e
......@@ -1076,6 +1076,12 @@ insert_from_buffer_1 (buf, from, nchars, inherit)
current_buffer, inherit);
}
/* This function should be called after moving gap to FROM and before
altering LEN chars of text starting from FROM. This adjusts
various position keepers and markers and as if the text is deleted.
Don't forget to call adjust_after_replace after you actually alter
the text. */
void
adjust_before_replace (from, from_byte, to, to_byte)
int from, from_byte, to, to_byte;
......@@ -1084,13 +1090,16 @@ adjust_before_replace (from, from_byte, to, to_byte)
record_delete (from, to - from);
}
/* This function should be called after altering the text between FROM
and TO to a new text of LEN chars (LEN_BYTE bytes). */
void
adjust_after_replace (from, from_byte, to, to_byte, len, len_byte)
int from, from_byte, to, to_byte, len, len_byte;
{
record_insert (from, len);
if (from < PT)
adjust_point (len, len_byte);
adjust_point (len - (to - from), len_byte - (to_byte - from_byte));
#ifdef USE_TEXT_PROPERTIES
offset_intervals (current_buffer, PT, len - (to - from));
#endif
......@@ -1101,7 +1110,6 @@ adjust_after_replace (from, from_byte, to, to_byte, len, len_byte)
if (len == 0)
evaporate_overlays (from);
MODIFF++;
signal_after_change (from, to - from, len);
}
/* Replace the text from character positions FROM to TO with NEW,
......
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