LayoutBlockBoxSpace.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 ROCKETCORELAYOUTBLOCKBOXSPACE_H
00029 #define ROCKETCORELAYOUTBLOCKBOXSPACE_H
00030 
00031 #include <Rocket/Core/StyleSheetKeywords.h>
00032 
00033 namespace Rocket {
00034 namespace Core {
00035 
00036 class Element;
00037 class LayoutBlockBox;
00038 
00046 class LayoutBlockBoxSpace
00047 {
00048 public:
00049         LayoutBlockBoxSpace(LayoutBlockBox* parent);
00050         ~LayoutBlockBoxSpace();
00051 
00054         void ImportSpace(const LayoutBlockBoxSpace& space);
00055 
00061         void PositionBox(Vector2f& box_position, float& box_width, float cursor, const Vector2f& dimensions) const;
00062 
00068         float PositionBox(float cursor, Element* element);
00069 
00075         float ClearBoxes(float cursor, int clear_property);
00076 
00079         const Vector2f& GetOffset() const;
00082         Vector2f GetDimensions() const;
00083 
00084         void* operator new(size_t size);
00085         void operator delete(void* chunk);
00086 
00087 private:
00088         enum AnchorEdge
00089         {
00090                 LEFT = 0,
00091                 RIGHT = 1,
00092                 NUM_ANCHOR_EDGES = 2
00093         };
00094 
00101         float PositionBox(Vector2f& box_position, float cursor, const Vector2f& dimensions, int float_property = FLOAT_NONE) const;
00102 
00103         struct SpaceBox
00104         {
00105                 SpaceBox();
00106                 SpaceBox(const Vector2f& offset, const Vector2f& dimensions);
00107 
00108                 Vector2f offset;
00109                 Vector2f dimensions;
00110         };
00111 
00112         typedef std::vector< SpaceBox > SpaceBoxList;
00113 
00114         // Our block-box parent.
00115         LayoutBlockBox* parent;
00116 
00117         // The boxes floating in our space.
00118         SpaceBoxList boxes[NUM_ANCHOR_EDGES];
00119 
00120         // The offset and dimensions of the boxes added specifically into this space.
00121         Vector2f offset;
00122         Vector2f dimensions;
00123 };
00124 
00125 }
00126 }
00127 
00128 #endif