lyx_mirror/src/mathed/math_sqrtinset.C

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include "math_sqrtinset.h"
#include "LColor.h"
#include "Painter.h"
#include "support.h"
#include "support/LOstream.h"


MathSqrtInset::MathSqrtInset()
	: MathInset("sqrt", LM_OT_SQRT, 1)
{}


MathInset * MathSqrtInset::clone() const
{   
	return new MathSqrtInset(*this);
}


void MathSqrtInset::Metrics(MathStyles st)
{
	xcell(0).Metrics(st);
	size_    = st;
	ascent_  = xcell(0).ascent()  + 4;
	descent_ = xcell(0).descent() + 2;
	width_   = xcell(0).width()   + 12;
}


void MathSqrtInset::draw(Painter & pain, int x, int y)
{ 
	xo(x);
	yo(y);
	xcell(0).draw(pain, x + 10, y); 
	int const a = ascent_;
	int const d = descent_;
	int xp[4];
	int yp[4];
	xp[0] = x + width_; yp[0] = y - a + 1;
	xp[1] = x + 8;      yp[1] = y - a + 1;
	xp[2] = x + 5;      yp[2] = y + d - 1;
	xp[3] = x;          yp[3] = y + (d - a)/2;
	pain.lines(xp, yp, 4, LColor::mathline);
}


void MathSqrtInset::Write(std::ostream & os, bool fragile) const
{
	os << '\\' << name_ << '{';
	cell(0).Write(os, fragile); 
	os << '}';
}


void MathSqrtInset::WriteNormal(std::ostream & os) const
{
	os << "[sqrt ";
	cell(0).WriteNormal(os); 
	os << "] ";
}