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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCORELAYOUTINLINEBOXTEXT_H
#define ROCKETCORELAYOUTINLINEBOXTEXT_H
#include "LayoutInlineBox.h"
#include "../../Include/Rocket/Core/String.h"
namespace Rocket {
namespace Core {
/**
@author Peter Curry
*/
class LayoutInlineBoxText : public LayoutInlineBox
{
public:
/// Constructs a new inline box for a text element.
/// @param[in] element The element this inline box is flowing.
/// @param[in] line_begin The index of the first character of the element's string this text box will render.
LayoutInlineBoxText(Element* element, int line_begin = 0);
virtual ~LayoutInlineBoxText();
/// Returns true if this box is capable of overflowing, or if it must be rendered on a single line.
/// @return True if this box can overflow, false otherwise.
virtual bool CanOverflow() const;
/// Flows the inline box's content into its parent line.
/// @param[in] first_box True if this box is the first box containing content to be flowed into this line.
/// @param available_width[in] The width available for flowing this box's content. This is measured from the left side of this box's content area.
/// @param right_spacing_width[in] The width of the spacing that must be left on the right of the element if no overflow occurs. If overflow occurs, then the entire width can be used.
/// @return The overflow box containing any content that spilled over from the flow. This must be NULL if no overflow occured.
virtual LayoutInlineBox* FlowContent(bool first_box, float available_width, float right_spacing_width);
/// Computes and sets the vertical position of this element, relative to its parent inline box (or block box,
/// for an un-nested inline box).
/// @param ascender[out] The maximum ascender of this inline box and all of its children.
/// @param descender[out] The maximum descender of this inline box and all of its children.
virtual void CalculateBaseline(float& ascender, float& descender);
/// Offsets the baseline of this box, and all of its children, by the ascender of the parent line box.
/// @param ascender[in] The ascender of the line box.
virtual void OffsetBaseline(float ascender);
/// Positions the inline box's element.
virtual void PositionElement();
/// Sizes the inline box's element.
virtual void SizeElement(bool split);
void* operator new(size_t size);
void operator delete(void* chunk);
private:
/// Returns the box's element as a text element.
/// @return The box's element cast to a text element.
ElementText* GetTextElement();
/// Builds a box for the first word of the element.
void BuildWordBox();
// The index of the first character of this line.
int line_begin;
// The contents on this line.
WString line_contents;
// True if this line can be segmented into parts, false if it consists of only a single word.
bool line_segmented;
};
}
}
#endif
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