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45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef _Laytrav_h_
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#define _Laytrav_h_
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#include "xp_core.h"
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/* I wanted to define the following API to traverse the line list.
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* What do you guys think? This might come in handy later when
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* we want to traverse the different line lists in the layer tree.
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* The logic for figuring out the next layer to go to will all be in one
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* place: laytrav.c.
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*/
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/* API for traversing layout element list by visiting the nodes of the layer tree. */
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/* You want to be able to go through only visible layers */
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/* You want the option to drill down into containers or not. */
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LO_Element * lo_tv_GetFirstLayoutElement( lo_DocState *state );
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LO_Element * lo_tv_GetNextLayoutElement( lo_DocState *state, LO_Element *curr_ele, Bool skipContainers );
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LO_Element * lo_tv_GetPrevLayoutElement( lo_DocState *state, LO_Element *curr_ele );
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LO_Element * lo_tv_FindNextElementOfType( lo_DocState *state, LO_Element *curr_ele, uint32 ele_type );
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LO_Element * lo_tv_FindPrevElementOfType( lo_DocState *state, LO_Element *curr_ele, uint32 ele_type );
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Bool lo_tv_IsAContainer( LO_Element *curr_ele );
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#endif
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