LayoutInlineBoxText.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 ROCKETCORELAYOUTINLINEBOXTEXT_H
00029 #define ROCKETCORELAYOUTINLINEBOXTEXT_H
00030 
00031 #include "LayoutInlineBox.h"
00032 #include <Rocket/Core/String.h>
00033 
00034 namespace Rocket {
00035 namespace Core {
00036 
00041 class LayoutInlineBoxText : public LayoutInlineBox
00042 {
00043 public:
00047         LayoutInlineBoxText(Element* element, int line_begin = 0);
00048         virtual ~LayoutInlineBoxText();
00049 
00052         virtual bool CanOverflow() const;
00053 
00059         virtual LayoutInlineBox* FlowContent(bool first_box, float available_width, float right_spacing_width);
00060 
00065         virtual void CalculateBaseline(float& ascender, float& descender);
00068         virtual void OffsetBaseline(float ascender);
00069 
00071         virtual void PositionElement();
00073         virtual void SizeElement(bool split);
00074 
00075         void* operator new(size_t size);
00076         void operator delete(void* chunk);
00077 
00078 private:
00081         ElementText* GetTextElement();
00082 
00084         void BuildWordBox();
00085 
00086         // The index of the first character of this line.
00087         int line_begin;
00088         // The contents on this line.
00089         WString line_contents;
00090 
00091         // True if this line can be segmented into parts, false if it consists of only a single word.
00092         bool line_segmented;
00093 };
00094 
00095 }
00096 }
00097 
00098 #endif