lyx_mirror/src/mathed/InsetMathSubstack.cpp

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/**
* \file InsetMathSubstack.cpp
* 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 "InsetMathSubstack.h"
#include "LaTeXFeatures.h"
#include "MathData.h"
#include "MathStream.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "support/gettext.h"
#include "support/lstrings.h"
#include <ostream>
using namespace std;
namespace lyx {
using support::bformat;
InsetMathSubstack::InsetMathSubstack(Buffer * buf)
: InsetMathGrid(buf, 1, 1)
{}
Inset * InsetMathSubstack::clone() const
{
return new InsetMathSubstack(*this);
}
void InsetMathSubstack::metrics(MetricsInfo & mi, Dimension & dim) const
{
if (mi.base.style == LM_ST_DISPLAY) {
StyleChanger dummy(mi.base, LM_ST_TEXT);
InsetMathGrid::metrics(mi, dim);
} else {
InsetMathGrid::metrics(mi, dim);
}
}
void InsetMathSubstack::draw(PainterInfo & pi, int x, int y) const
{
InsetMathGrid::draw(pi, x + 1, y);
}
bool InsetMathSubstack::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & flag) const
{
switch (cmd.action()) {
case LFUN_INSET_MODIFY: {
istringstream is(to_utf8(cmd.argument()));
string s;
is >> s;
if (s != "tabular")
break;
is >> s;
string const name = "substack";
if (s == "add-vline-left" || s == "add-vline-right") {
flag.message(bformat(
from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
from_utf8(name)));
flag.setEnabled(false);
return true;
}
break;
}
default:
break;
}
return InsetMathGrid::getStatus(cur, cmd, flag);
}
void InsetMathSubstack::infoize(odocstream & os) const
{
os << "Substack ";
}
void InsetMathSubstack::write(WriteStream & os) const
{
MathEnsurer ensurer(os);
os << "\\substack{";
InsetMathGrid::write(os);
os << "}\n";
}
void InsetMathSubstack::normalize(NormalStream & os) const
{
os << "[substack ";
InsetMathGrid::normalize(os);
os << ']';
}
void InsetMathSubstack::maple(MapleStream & os) const
{
os << "substack(";
InsetMathGrid::maple(os);
os << ')';
}
void InsetMathSubstack::htmlize(HtmlStream & os) const
{
os << MTag("span", "class='substack'");
for (row_type row = 0; row < nrows(); ++row)
os << MTag("span") << cell(index(row, 0)) << ETag("span");
os << ETag("span");
}
void InsetMathSubstack::validate(LaTeXFeatures & features) const
{
if (features.runparams().isLaTeX())
features.require("amsmath");
else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
features.addPreambleSnippet("<style type=\"text/css\">\n"
"span.substack{display: inline-block; vertical-align: middle; text-align:center; font-size: 75%;}\n"
"span.substack span{display: block;}\n"
"</style>");
InsetMathGrid::validate(features);
}
} // namespace lyx