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Block formatting context width is only reduced due to floats if width is auto.

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svn path=/trunk/netsurf/; revision=6145
This commit is contained in:
Michael Drake 2009-01-19 10:17:44 +00:00
parent 20120a8acf
commit c5f72605b4
1 changed files with 26 additions and 20 deletions
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46
render/layout.c
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@ -184,6 +184,8 @@ bool layout_block_context(struct box *block, struct content *content)
int max_pos_margin = 0;
int max_neg_margin = 0;
int y = 0;
int available_width;
int inset = 0;
struct box *margin_box;
struct css_length gadget_size; /* Checkbox / radio buttons */
@ -315,10 +317,30 @@ bool layout_block_context(struct box *block, struct content *content)
* its own block context when it gets laid out later,
* so no need to look at its children now. */
goto advance_to_next_box;
}
}
inset = 0;
available_width = box->parent->width;
if (box->type == BOX_BLOCK || box->object) {
layout_block_find_dimensions(box->parent->width, box);
if (!box->object && box->style &&
box->style->overflow !=
CSS_OVERFLOW_VISIBLE) {
/* box establishes new block formatting context
* so available width may be diminished due to
* floats. */
int x0, x1;
struct box *left, *right;
x0 = cx;
x1 = cx + box->parent->width;
find_sides(block->float_children, cy, cy,
&x0, &x1, &left, &right);
inset = x0 - cx;
if (box->style->width.width == CSS_WIDTH_AUTO) {
available_width = x1 - x0 > 0 ?
x1 - x0 : 0;
}
}
layout_block_find_dimensions(available_width, box);
layout_block_add_scrollbar(box, RIGHT);
layout_block_add_scrollbar(box, BOTTOM);
} else if (box->type == BOX_TABLE) {
@ -333,6 +355,7 @@ bool layout_block_context(struct box *block, struct content *content)
box->x = box->parent->padding[LEFT] + box->margin[LEFT] +
box->border[LEFT];
cx += box->x;
box->x += inset;
/* Position box: top margin. */
if (max_pos_margin < box->margin[TOP])
@ -364,26 +387,9 @@ bool layout_block_context(struct box *block, struct content *content)
* establishes a new block context. */
if (box->type == BOX_BLOCK && box->style &&
box->style->overflow != CSS_OVERFLOW_VISIBLE) {
int x0, x1;
struct box *left, *right;
cy += max_pos_margin - max_neg_margin;
box->y += max_pos_margin - max_neg_margin;
/* Before calling layout_block_context, find the
* available width */
x0 = cx;
x1 = cx + box->parent->width;
find_sides(block->float_children, cy, cy, &x0, &x1,
&left, &right);
box->x += x0 - cx;
x1 = box->parent->width - x1 + x0;
if (box->width - x1 > 0)
box->width -= x1;
else
box->width = 0;
cx = x0;
layout_block_context(box, content);
if (box->type == BOX_BLOCK || box->object)
@ -401,7 +407,7 @@ bool layout_block_context(struct box *block, struct content *content)
max_pos_margin = box->margin[BOTTOM];
else if (max_neg_margin < -box->margin[BOTTOM])
max_neg_margin = -box->margin[BOTTOM];
cx -= box->x;
cx -= box->x - inset;
y = box->y + box->padding[TOP] + box->height +
box->padding[BOTTOM] +
box->border[BOTTOM];