struct Thumbnail : public Ctrl //clickable rect with a picture in it
{
	using CLASSNAME=Thumbnail;
	Image pic;
	bool bldn;
	
	//Callback WhenClick; //doesn't want to play nice with lambda ?!?!
	Event<> WhenClick;
	
	
	virtual~Thumbnail(){ }
	Thumbnail() { bldn=false; }
	
	Thumbnail(Image img, Event<> cb, const std::string &desc="") { bldn=false; pic = img; Tip(desc.c_str()); WhenClick=cb; }
	
	virtual void Paint(Draw &drw)
	{
		drw.DrawRect(GetSize(), SColorFace());
		drw.DrawImage((Rect) GetSize(), pic); // means Rect(0, 0, cx, cy);
	}
	virtual void LeftDown(Point p, dword kf) { bldn=true; }
	virtual void LostFocus() { bldn=false; }
	virtual void LeftUp(Point p, dword kf) { if (bldn) if (WhenClick) WhenClick(); }
	
};