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Preserve underlines in links when justifying.

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This commit is contained in:
Kalle Olavi Niemitalo 2007-07-20 17:57:01 +03:00 committed by Kalle Olavi Niemitalo
parent 49678b9320
commit b1cc717789
1 changed files with 35 additions and 2 deletions
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37
src/document/html/renderer.c
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@ -1108,7 +1108,13 @@ justify_line(struct html_context *html_context, int y)
int prev_end = 0;
int word;
clear_hchars(html_context, 0, y, overlap(par_format));
/* Allocate enough memory for the justified line.
* If the memory is not available, then leave the
* line unchanged, rather than halfway there. The
* following loop assumes the allocation succeeded. */
if (!realloc_line(html_context, html_context->part->document,
Y(y), X(overlap(par_format))))
goto out_of_memory;
for (word = 0; word < spaces; word++) {
/* We have to increase line length by 'diff' num. of
@ -1122,14 +1128,40 @@ justify_line(struct html_context *html_context, int y)
assert(word_len >= 0);
if_assert_failed continue;
if (!word_len) continue;
word_shift = (word * diff) / (spaces - 1);
new_start = word_start + word_shift;
/* Copy the original word, without any spaces. */
copy_chars(html_context, new_start, y, word_len,
&line[word_start]);
/* Copy the space that preceded the word,
* duplicating it as many times as necessary.
* This preserves its attributes, such as
* background color and underlining. If this
* is the first word, then skip the copy
* because there might not be a space there
* and anyway it need not be duplicated. */
if (word) {
int spacex;
/* realloc_line() was called above. */
assert(LEN(y) >= new_start);
if_assert_failed continue;
for (spacex = prev_end; spacex < new_start;
++spacex) {
copy_screen_chars(&POS(spacex, y),
&line[word_start - 1],
1);
}
}
/* Remember that any links at the right side
* of the added spaces have moved, and the
* spaces themselves may also belong to a
* link. */
new_spaces = new_start - prev_end - 1;
if (word && new_spaces) {
move_links(html_context, prev_end + 1, y, new_start, y);
@ -1141,6 +1173,7 @@ justify_line(struct html_context *html_context, int y)
}
}
out_of_memory:
fmem_free(space_list);
fmem_free(line);
}