LayoutLineBox.h

00001 /*
00002  * This source file is part of libRocket, the HTML/CSS Interface Middleware
00003  *
00004  * For the latest information, see http://www.librocket.com
00005  *
00006  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  *
00026  */
00027 
00028 #ifndef ROCKETCORELAYOUTLINEBOX_H
00029 #define ROCKETCORELAYOUTLINEBOX_H
00030 
00031 #include "LayoutInlineBox.h"
00032 
00033 namespace Rocket {
00034 namespace Core {
00035 
00036 class LayoutBlockBox;
00037 
00042 class LayoutLineBox
00043 {
00044 public:
00045         LayoutLineBox(LayoutBlockBox* parent);
00046         ~LayoutLineBox();
00047 
00051         LayoutInlineBox* Close(LayoutInlineBox* overflow = NULL);
00052 
00055         void CloseInlineBox(LayoutInlineBox* inline_box);
00056 
00062         LayoutInlineBox* AddElement(Element* element, const Box& box);
00063 
00068         LayoutInlineBox* AddBox(LayoutInlineBox* box);
00072         void AddChainedBox(LayoutInlineBox* chained_box);
00073 
00076         const Vector2f& GetPosition() const;
00079         Vector2f GetRelativePosition() const;
00082         const Vector2f& GetDimensions() const;
00083 
00086         LayoutInlineBox* GetOpenInlineBox();
00089         LayoutBlockBox* GetBlockBox();
00090 
00091         void* operator new(size_t size);
00092         void operator delete(void* chunk);
00093 
00094 private:
00096         void AppendBox(LayoutInlineBox* box);
00097 
00098         typedef std::vector< LayoutInlineBox* > InlineBoxList;
00099 
00100         // The block box containing this line.
00101         LayoutBlockBox* parent;
00102 
00103         // The top-left position of the line box; this is set when the first inline box is placed.
00104         Vector2f position;
00105         bool position_set;
00106 
00107         // The width and height of the line box; this is set when the line box is placed.
00108         Vector2f dimensions;
00109         bool wrap_content;
00110 
00111         // The horizontal cursor. This is where the next inline box will be placed along the line.
00112         float box_cursor;
00113 
00114         // The list of inline boxes in this line box. These line boxes may be parented to others in this list.
00115         InlineBoxList inline_boxes;
00116         // The open inline box; this is NULL if all inline boxes are closed.
00117         LayoutInlineBox* open_inline_box;
00118 };
00119 
00120 }
00121 }
00122 
00123 #endif