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A more thorough fix for bug#19307

Browse source 
src/xdisp.c (handle_stop, handle_single_display_spec)
 (next-element_from_image): Don't reset the
 ignore_overlay_strings_at_pos_p flag here.
 (next_element_from_buffer): Reset ignore_overlay_strings_at_pos_p
 here.
 (next_overlay_string): Set ignore_overlay_strings_at_pos_p here,
 after we've exhausted all the overlay strings at the current
 position.
This commit is contained in:
Eli Zaretskii 2015-02-03 20:52:18 +02:00
parent 4e8d586076
commit e589765b88
2 changed files with 21 additions and 16 deletions
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11
src/ChangeLog
View file

@ -1,3 +1,14 @@
2015-02-03 Eli Zaretskii <eliz@gnu.org>
* xdisp.c (handle_stop, handle_single_display_spec)
(next-element_from_image): Don't reset the
ignore_overlay_strings_at_pos_p flag here.
(next_element_from_buffer): Reset ignore_overlay_strings_at_pos_p
here.
(next_overlay_string): Set ignore_overlay_strings_at_pos_p here,
after we've exhausted all the overlay strings at the current
position. (Bug#19307)
2015-02-02 Eli Zaretskii <eliz@gnu.org>
* xdisp.c (set_iterator_to_next): Set value of stop_charpos

26
src/xdisp.c
View file

@ -3434,7 +3434,6 @@ handle_stop (struct it *it)
it->dpvec = NULL;
it->current.dpvec_index = -1;
handle_overlay_change_p = !it->ignore_overlay_strings_at_pos_p;
it->ignore_overlay_strings_at_pos_p = 0;
it->ellipsis_p = 0;
/* Use face of preceding text for ellipsis (if invisible) */
@ -3525,7 +3524,6 @@ handle_stop (struct it *it)
pop_it (it);
else
{
it->ignore_overlay_strings_at_pos_p = true;
it->string_from_display_prop_p = 0;
it->from_disp_prop_p = 0;
handle_overlay_change_p = 0;
@ -5121,11 +5119,6 @@ handle_single_display_spec (struct it *it, Lisp_Object spec, Lisp_Object object,
iterate_out_of_display_property (it);
*position = it->position;
}
/* If we were to display this fringe bitmap,
next_element_from_image would have reset this flag.
Do the same, to avoid affecting overlays that
follow. */
it->ignore_overlay_strings_at_pos_p = 0;
return 1;
}
}
@ -5145,9 +5138,6 @@ handle_single_display_spec (struct it *it, Lisp_Object spec, Lisp_Object object,
iterate_out_of_display_property (it);
*position = it->position;
}
if (it)
/* Reset this flag like next_element_from_image would. */
it->ignore_overlay_strings_at_pos_p = 0;
return 1;
}
@ -5640,6 +5630,12 @@ next_overlay_string (struct it *it)
if (it->sp > 0 && STRINGP (it->string) && !SCHARS (it->string))
pop_it (it);
/* Since we've exhausted overlay strings at this buffer
position, set the flag to ignore overlays until we move to
another position. The flag is reset in
next_element_from_buffer. */
it->ignore_overlay_strings_at_pos_p = true;
/* If we're at the end of the buffer, record that we have
processed the overlay strings there already, so that
next_element_from_buffer doesn't try it again. */
@ -7478,10 +7474,6 @@ set_iterator_to_next (struct it *it, int reseat_p)
reseat_at_next_visible_line_start (it, 1);
else if (it->dpvec_char_len > 0)
{
if (it->method == GET_FROM_STRING
&& it->current.overlay_string_index >= 0
&& it->n_overlay_strings > 0)
it->ignore_overlay_strings_at_pos_p = true;
it->len = it->dpvec_char_len;
set_iterator_to_next (it, reseat_p);
}
@ -8110,7 +8102,6 @@ static int
next_element_from_image (struct it *it)
{
it->what = IT_IMAGE;
it->ignore_overlay_strings_at_pos_p = 0;
return 1;
}
@ -8280,6 +8271,7 @@ next_element_from_buffer (struct it *it)
and handle the last stop_charpos that precedes our
current position. */
handle_stop_backwards (it, it->stop_charpos);
it->ignore_overlay_strings_at_pos_p = false;
return GET_NEXT_DISPLAY_ELEMENT (it);
}
else
@ -8296,6 +8288,7 @@ next_element_from_buffer (struct it *it)
it->base_level_stop = it->stop_charpos;
}
handle_stop (it);
it->ignore_overlay_strings_at_pos_p = false;
return GET_NEXT_DISPLAY_ELEMENT (it);
}
}
@ -8323,6 +8316,7 @@ next_element_from_buffer (struct it *it)
}
else
handle_stop_backwards (it, it->base_level_stop);
it->ignore_overlay_strings_at_pos_p = false;
return GET_NEXT_DISPLAY_ELEMENT (it);
}
else
@ -8334,7 +8328,7 @@ next_element_from_buffer (struct it *it)
/* We moved to the next buffer position, so any info about
previously seen overlays is no longer valid. */
it->ignore_overlay_strings_at_pos_p = 0;
it->ignore_overlay_strings_at_pos_p = false;
/* Maybe run the redisplay end trigger hook. Performance note:
This doesn't seem to cost measurable time. */