lyx_mirror/src/mathed/math_macrotemplate.C
Angus Leeming 1f9e9cf517 Standardise the header blurb in mathed.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7574 a592a061-630c-0410-9148-cb99ea01b6c8
2003-08-19 13:00:56 +00:00

127 lines
2.8 KiB
C

/**
* \file math_macrotemplate.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "math_macrotemplate.h"
#include "math_mathmlstream.h"
#include "math_parser.h"
#include "frontends/Painter.h"
#include "debug.h"
using std::auto_ptr;
using std::endl;
MathMacroTemplate::MathMacroTemplate()
: MathNestInset(2), numargs_(0), name_(), type_("newcommand")
{}
MathMacroTemplate::MathMacroTemplate(string const & nm, int numargs,
string const & type, MathArray const & ar1, MathArray const & ar2)
: MathNestInset(2), numargs_(numargs), name_(nm), type_(type)
{
if (numargs_ > 9)
lyxerr << "MathMacroTemplate::MathMacroTemplate: wrong # of arguments: "
<< numargs_ << std::endl;
cell(0) = ar1;
cell(1) = ar2;
}
MathMacroTemplate::MathMacroTemplate(std::istream & is)
: MathNestInset(2), numargs_(0), name_()
{
MathArray ar;
mathed_parse_cell(ar, is);
if (ar.size() != 1 || !ar[0]->asMacroTemplate()) {
lyxerr << "cannot read macro from '" << ar << "'" << endl;
return;
}
operator=( *(ar[0]->asMacroTemplate()) );
}
auto_ptr<InsetBase> MathMacroTemplate::clone() const
{
//lyxerr << "cloning MacroTemplate!" << endl;
return auto_ptr<InsetBase>(new MathMacroTemplate(*this));
}
int MathMacroTemplate::numargs() const
{
return numargs_;
}
void MathMacroTemplate::numargs(int numargs)
{
numargs_ = numargs;
}
string MathMacroTemplate::name() const
{
return name_;
}
void MathMacroTemplate::metrics(MetricsInfo & mi, Dimension & dim) const
{
cell(0).metrics(mi);
cell(1).metrics(mi);
dim_.wid = cell(0).width() + cell(1).width() + 10;
dim_.asc = std::max(cell(0).ascent(), cell(1).ascent()) + 2;
dim_.des = std::max(cell(0).descent(), cell(1).descent()) + 2;
dim = dim_;
}
void MathMacroTemplate::draw(PainterInfo & pi, int x, int y) const
{
int const w0 = cell(0).width();
int const w1 = cell(1).width();
cell(0).draw(pi, x + 2, y + 1);
pi.pain.rectangle(x, y - dim_.ascent() + 1, w0 + 4, dim_.height(),
LColor::mathline);
cell(1).draw(pi, x + 8 + w0, y + 1);
pi.pain.rectangle(x + w0 + 6 , y - dim_.ascent() + 1, w1 + 4,
dim_.height(), LColor::mathline);
}
void MathMacroTemplate::write(WriteStream & os) const
{
if (type_ == "def") {
os << "\n\\def\\" << name_.c_str();
for (int i = 1; i <= numargs_; ++i)
os << '#' << i;
} else {
// newcommand or renewcommand
os << "\n\\" << type_.c_str() << "{\\" << name_.c_str() << '}';
if (numargs_ > 0)
os << '[' << numargs_ << ']';
}
os << '{' << cell(0) << "}";
if (os.latex()) {
// writing .tex. done.
os << "\n";
} else {
// writing .lyx, write special .tex export only if necessary
if (!cell(1).empty())
os << "\n{" << cell(1) << '}';
}
}