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/*
* Copyright 2005 James Bursa <bursa@users.sourceforge.net>
* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file
* Box tree manipulation interface.
*/
#ifndef NETSURF_HTML_BOX_MANIPULATE_H
#define NETSURF_HTML_BOX_MANIPULATE_H
/**
* Create a box tree node.
*
* \param styles selection results for the box, or NULL
* \param style computed style for the box (not copied), or 0
* \param style_owned whether style is owned by this box
* \param href href for the box (copied), or 0
* \param target target for the box (not copied), or 0
* \param title title for the box (not copied), or 0
* \param id id for the box (not copied), or 0
* \param context context for allocations
* \return allocated and initialised box, or 0 on memory exhaustion
*
* styles is always owned by the box, if it is set.
* style is only owned by the box in the case of implied boxes.
*/
struct box * box_create(css_select_results *styles, css_computed_style *style, bool style_owned, struct nsurl *href, const char *target, const char *title, lwc_string *id, void *context);
/**
* Add a child to a box tree node.
*
* \param parent box giving birth
* \param child box to link as last child of parent
*/
void box_add_child(struct box *parent, struct box *child);
/**
* Insert a new box as a sibling to a box in a tree.
*
* \param box box already in tree
* \param new_box box to link into tree as next sibling
*/
void box_insert_sibling(struct box *box, struct box *new_box);
/**
* Unlink a box from the box tree and then free it recursively.
*
* \param box box to unlink and free recursively.
*/
void box_unlink_and_free(struct box *box);
/**
* Free a box tree recursively.
*
* \param box box to free recursively
*
* The box and all its children is freed.
*/
void box_free(struct box *box);
/**
* Free the data in a single box structure.
*
* \param box box to free
*/
void box_free_box(struct box *box);
/**
* Applies the given scroll setup to a box. This includes scroll
* creation/deletion as well as scroll dimension updates.
*
* \param c content in which the box is located
* \param box the box to handle the scrolls for
* \param bottom whether the horizontal scrollbar should be present
* \param right whether the vertical scrollbar should be present
* \return true on success false otherwise
*/
nserror box_handle_scrollbars(struct content *c, struct box *box,
bool bottom, bool right);
#endif
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