#ifndef FRAME_H_
#define FRAME_H_

#include <osg/Geode>
#include <osg/Geometry>

struct Rect {
	float x0, y0, x1, y1;
	Rect() {}
	Rect(float x0_, float y0_, float x1_, float y1_): x0(x0_), y0(y0_), x1(x1_), y1(y1_) {}
	inline float width() const { return x1 - x0; }
	inline float height() const { return y0 - y1; }
};

class Frame: public osg::Geode {
public:
	Frame();
	Frame(const Frame &copy, const osg::CopyOp &copyop = osg::CopyOp::SHALLOW_COPY);

	META_Node(osgfxbrowser, Frame);

	inline const std::string &getCaption() const              { return caption_; }
	inline void setCaption(const std::string &caption)        { caption_ = caption; }

	inline const osg::Vec4 &getBackgroundColor() const        { return bgcolor_; }
	inline void setBackgroundColor(const osg::Vec4 &bgcolor)  { bgcolor_ = bgcolor; }

	inline const Rect &getRect() const                { return rect_; }
	inline void setRect(const Rect &rect)             { rect_ = rect; }

	static osg::Geometry *build_quad(const Rect &rect, const osg::Vec4 &color, bool shadow = true, float z = 0);

	virtual void rebuild();

protected:
	virtual ~Frame() {}
	Frame &operator()(const Frame &) { return *this; }	

	virtual void rebuild_client_area(const Rect & /*client_rect*/) {}

private:
	osg::Vec4 bgcolor_;
	Rect rect_;
	std::string caption_;
};

#endif
