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author | James Bursa <james@netsurf-browser.org> | 2006-06-21 02:51:00 +0000 |
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committer | James Bursa <james@netsurf-browser.org> | 2006-06-21 02:51:00 +0000 |
commit | 878ef9883edbdff8b73cd95d099a59783d807e6b (patch) | |
tree | 8d2b312bfbb4b9aefd14e34d84ca5deda3e27d87 /render/box.c | |
parent | 9eb3efff78d311a386ce783224d5e7bd6b88a5b1 (diff) | |
download | netsurf-878ef9883edbdff8b73cd95d099a59783d807e6b.tar.gz netsurf-878ef9883edbdff8b73cd95d099a59783d807e6b.tar.bz2 |
Changes to struct box for absolute positioning.
svn path=/trunk/netsurf/; revision=2640
Diffstat (limited to 'render/box.c')
-rw-r--r-- | render/box.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/render/box.c b/render/box.c index 22ccdd8e3..684a4da92 100644 --- a/render/box.c +++ b/render/box.c @@ -84,6 +84,7 @@ struct box * box_create(struct css_style *style, box->inline_end = NULL; box->float_children = NULL; box->next_float = NULL; + box->absolute_children = NULL; box->col = NULL; box->gadget = NULL; box->usemap = NULL; @@ -122,6 +123,30 @@ void box_add_child(struct box *parent, struct box *child) /** + * Add an absolutely positioned child to a box tree node. + * + * \param parent box giving birth + * \param child box to link as last child of parent + */ + +void box_add_absolute_child(struct box *parent, struct box *child) +{ + assert(parent); + assert(child); + + if (parent->absolute_children != 0) { /* has children already */ + child->next = parent->absolute_children; + parent->absolute_children->prev = child; + } else { /* this is the first child */ + child->next = 0; + } + + parent->absolute_children = child; + child->parent = parent; +} + + +/** * Insert a new box as a sibling to a box in a tree. * * \param box box already in tree @@ -186,6 +211,11 @@ void box_free(struct box *box) next = child->next; box_free(child); } + + for (child = box->absolute_children; child; child = next) { + next = child->next; + box_free(child); + } /* last this box */ box_free_box(box); @@ -557,4 +587,11 @@ void box_dump(struct box *box, unsigned int depth) for (c = box->fallback; c; c = c->next) box_dump(c, depth + 1); } + if (box->absolute_children) { + for (i = 0; i != depth; i++) + fprintf(stderr, " "); + fprintf(stderr, "absolute_children:\n"); + for (c = box->absolute_children; c; c = c->next) + box_dump(c, depth + 1); + } } |