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