lyx_mirror/src/mathed/math_spaceinset.C

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#ifdef __GNUG__
#pragma implementation
#endif
#include "math_spaceinset.h"
#include "support.h"
#include "LColor.h"
#include "Painter.h"
#include "support/LOstream.h"
MathSpaceInset::MathSpaceInset(int sp)
: space_(sp)
{}
MathInset * MathSpaceInset::clone() const
{
return new MathSpaceInset(*this);
}
void MathSpaceInset::write(MathWriteInfo & os) const
{
if (space_ >= 0 && space_ < 6)
os << '\\' << latex_mathspace[space_] << ' ';
}
void MathSpaceInset::writeNormal(std::ostream & os) const
{
os << "[space " << space_ << "] ";
}
void MathSpaceInset::metrics(MathMetricsInfo const & mi) const
{
width_ = space_ ? space_ * 2 : 2;
if (space_ > 3)
width_ *= 2;
if (space_ == 5)
width_ *= 2;
width_ += 4;
ascent_ = 4;
descent_ = 0;
}
void MathSpaceInset::draw(Painter & pain, int x, int y) const
{
// XPoint p[4] = {{++x, y-3}, {x, y}, {x+width-2, y}, {x+width-2, y-3}};
// Sadly, HP-UX CC can't handle that kind of initialization.
int xp[4];
int yp[4];
xp[0] = ++x; yp[0] = y - 3;
xp[1] = x; yp[1] = y;
xp[2] = x + width_ - 2; yp[2] = y;
xp[3] = x + width_ - 2; yp[3] = y - 3;
pain.lines(xp, yp, 4, space_ ? LColor::latex : LColor::math);
}
void MathSpaceInset::incSpace()
{
space_ = (space_ + 1) % 6;
}