(Fvertical_motion): Fix IT overshoot check for overlay

strings without embedded newlines immediately followed by newline.
This commit is contained in:
Kim F. Storm 2007-01-05 15:00:45 +00:00
parent 5be7098123
commit 9e313cc122

View file

@ -2074,7 +2074,7 @@ whether or not it is currently displayed in some window. */)
{
int it_start;
int oselective;
int it_overshoot_expected_p;
int it_overshoot_expected;
SET_TEXT_POS (pt, PT, PT_BYTE);
start_display (&it, w, pt);
@ -2100,12 +2100,16 @@ whether or not it is currently displayed in some window. */)
while (s < e && *s != '\n')
++s;
it_overshoot_expected_p = (s == e);
/* If there is no newline in the string, we need to check
whether there is a newline immediately after the string
in move_it_to below. This may happen if there is an
overlay with an after-string just before the newline. */
it_overshoot_expected = (s == e) ? -1 : 0;
}
else
it_overshoot_expected_p = (it.method == GET_FROM_IMAGE
|| it.method == GET_FROM_STRETCH
|| it.method == GET_FROM_COMPOSITION);
it_overshoot_expected = (it.method == GET_FROM_IMAGE
|| it.method == GET_FROM_STRETCH
|| it.method == GET_FROM_COMPOSITION);
reseat_at_previous_visible_line_start (&it);
it.current_x = it.hpos = 0;
@ -2119,7 +2123,10 @@ whether or not it is currently displayed in some window. */)
truncate-lines is on and PT is beyond right margin.
Don't go back if the overshoot is expected (see above). */
if (IT_CHARPOS (it) > it_start && XINT (lines) > 0
&& !it_overshoot_expected_p)
&& (!it_overshoot_expected
|| (it_overshoot_expected < 0
&& it.method == GET_FROM_BUFFER
&& it.c == '\n')))
move_it_by_lines (&it, -1, 0);
it.vpos = 0;