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Move word that doesn't fit next to float below float correctly (fixes crash on ofsted site).

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svn path=/trunk/netsurf/; revision=2516
This commit is contained in:
James Bursa 2006-04-09 18:59:07 +00:00
parent 5bb7337e88
commit 3e5490c6fd
1 changed files with 38 additions and 24 deletions
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60
render/layout.c
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@ -1287,7 +1287,6 @@ bool layout_line(struct box *first, int width, int *y,
split_box = b;
move_y = true;
inline_count++;
/* fprintf(stderr, "layout_line: '%.*s' %li %li\n", b->length, b->text, xp, x); */
} else if (b->type == BOX_BR) {
b->x = x;
b->width = 0;
@ -1302,7 +1301,6 @@ bool layout_line(struct box *first, int width, int *y,
LOG(("float %p", b));
d = b->children;
d->float_children = 0;
/* css_dump_style(b->style); */
if (!layout_float(d, width, content))
return false;
@ -1316,8 +1314,10 @@ bool layout_line(struct box *first, int width, int *y,
d->padding[TOP] + d->height +
d->padding[BOTTOM] + d->border[BOTTOM] +
d->margin[BOTTOM];
if (b->width < (x1 - x0) - x || (left == 0 && right == 0 && x == 0)) {
/* fits next to this line, or this line is empty with no floats */
if (b->width < (x1 - x0) - x ||
(left == 0 && right == 0 && x == 0)) {
/* fits next to this line, or this line is empty
* with no floats */
if (b->type == BOX_FLOAT_LEFT) {
b->x = cx + x0;
x0 += b->width;
@ -1328,12 +1328,10 @@ bool layout_line(struct box *first, int width, int *y,
right = b;
}
b->y = cy;
/* fprintf(stderr, "layout_line: float fits %li %li, edges %li %li\n", */
/* b->x, b->y, x0, x1); */
} else {
/* doesn't fit: place below */
place_float_below(b, width, cx, cy + height + 1, cont);
/* fprintf(stderr, "layout_line: float doesn't fit %li %li\n", b->x, b->y); */
place_float_below(b, width,
cx, cy + height + 1, cont);
}
if (cont->float_children == b) {
LOG(("float %p already placed", b));
@ -1375,17 +1373,16 @@ bool layout_line(struct box *first, int width, int *y,
nsfont_width(split_box->style, split_box->text,
space, &w);
LOG(("splitting: split_box %p, space %zu, w %i, left %p, "
"right %p, inline_count %u",
split_box, space, w, left, right,
inline_count));
LOG(("Text was: '%s'", split_box->text));
LOG(("splitting: split_box %p \"%.*s\", space %zu, w %i, "
"left %p, right %p, inline_count %u",
split_box, (int) split_box->length,
split_box->text, space, w,
left, right, inline_count));
if ((space == 0 || x1 - x0 <= x + space_before + w) &&
!left && !right && inline_count == 1) {
/* first word doesn't fit, but no floats and first
on line so force in */
/* first word of box doesn't fit, but no floats and
* first box on line so force in */
if (space == 0) {
/* only one word in this box or not text */
b = split_box->next;
@ -1416,12 +1413,30 @@ bool layout_line(struct box *first, int width, int *y,
b = c2;
}
x += space_before + w;
/* fprintf(stderr, "layout_line: overflow, forcing\n"); */
} else if (space == 0 || x1 - x0 <= x + space_before + w) {
/* first word doesn't fit, but full width not
available so leave for later */
LOG(("forcing"));
} else if ((space == 0 || x1 - x0 <= x + space_before + w) &&
inline_count == 1) {
/* first word of first box doesn't fit, but a float is
* taking some of the width so move below it */
assert(left || right);
used_height = 0;
if (left) {
LOG(("cy %i, left->y %i, left->height %i",
cy, left->y, left->height));
used_height = left->y + left->height - cy + 1;
LOG(("used_height %i", used_height));
}
if (right && used_height <
right->y + right->height - cy + 1)
used_height = right->y + right->height - cy + 1;
assert(0 < used_height);
b = split_box;
/* fprintf(stderr, "layout_line: overflow, leaving\n"); */
LOG(("moving below float"));
} else if (space == 0 || x1 - x0 <= x + space_before + w) {
/* first word of box doesn't fit so leave box for next
* line */
b = split_box;
LOG(("leaving for next line"));
} else {
/* fit as many words as possible */
assert(space != 0);
@ -1431,7 +1446,6 @@ bool layout_line(struct box *first, int width, int *y,
x1 - x0 - x - space_before, &space, &w);
LOG(("'%.*s' %i %zu %i", (int) split_box->length,
split_box->text, x1 - x0, space, w));
/* assert(space == split_box->length || split_box->text[space] = ' '); */
if (space == 0)
space = 1;
if (space != split_box->length) {
@ -1460,7 +1474,7 @@ bool layout_line(struct box *first, int width, int *y,
b = c2;
}
x += space_before + w;
/* fprintf(stderr, "layout_line: overflow, fit\n"); */
LOG(("fitting words"));
}
move_y = true;
}