lyx_mirror/src/mathed/InsetFormulaMacro.cpp
Richard Heck ecef54500d Introduce max_length parameter for plaintext() output routines,
so we can write a limited amount when using this for TOC and
tooltip output.

This should solve the problem with slowness that Kornel noticed,
which was caused by our trying to write an entire plaintext
bibliography every time we updated the TOC. We did that because
he had a bibliography inside a branch, and we use plaintext for
creating the tooltip that goes with the branch list.

Other related bugs were fixed along the way. E.g., it turns out
that, if someone had an InsetInclude inside a branch, then we would
have been writing a *plaintext file* for that inset every time we
updated the TOC. I wonder if some of the other reports of slowness
we have received might be due to this kind of issue?
2013-03-08 15:12:58 -05:00

180 lines
3.7 KiB
C++

/**
* \file InsetFormulaMacro.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetFormulaMacro.h"
#include "MacroTable.h"
#include "MathMacroTemplate.h"
#include "BufferView.h"
#include "Cursor.h"
#include "support/debug.h"
#include "support/gettext.h"
#include "Lexer.h"
#include "OutputParams.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "support/lstrings.h"
#include <sstream>
using namespace std;
using namespace lyx::support;
namespace lyx {
InsetFormulaMacro::InsetFormulaMacro()
: InsetMathNest(2), name_(from_ascii("unknownA"))
{}
InsetFormulaMacro::InsetFormulaMacro
(docstring const & name, int nargs, docstring const & type)
: InsetMathNest(2), name_(name)
{
MathMacroTable::create(MathAtom(new MathMacroTemplate(name, nargs, type)));
}
InsetFormulaMacro::InsetFormulaMacro(string const & s)
: InsetMathNest(2), name_("unknownB")
{
istringstream is(s);
read(is);
}
Inset * InsetFormulaMacro::clone() const
{
return new InsetFormulaMacro(*this);
}
void InsetFormulaMacro::write(ostream & os) const
{
os << "FormulaMacro\n";
WriteStream wi(os, false, false, WriteStream::wsDefault);
tmpl()->write(wi);
}
void InsetFormulaMacro::latex(otexstream & os,
OutputParams const & runparams) const
{
//lyxerr << "InsetFormulaMacro::latex" << endl;
WriteStream wi(os.os(), runparams.moving_arg, true,
runparams.dryrun ? WriteStream::wsDryrun: WriteStream::wsDefault,
runparams.encoding);
wi.canBreakLine(os.canBreakLine());
tmpl()->write(wi);
os.canBreakLine(wi.canBreakLine());
os.texrow().newlines(wi.line());
}
int InsetFormulaMacro::plaintext(odocstringstream & os, OutputParams const & runparams, int max_length) const
{
odocstringstream oss;
WriteStream wi(oss, false, true, WriteStream::wsDefault, runparams.encoding);
tmpl()->write(wi);
docstring const str = oss.str();
os << str;
return str.size();
}
int InsetFormulaMacro::docbook(ostream & os,
OutputParams const & runparams) const
{
return plaintext(os, runparams);
}
void InsetFormulaMacro::read(Lexer & lex)
{
read(lex.getStream());
}
void InsetFormulaMacro::read(istream & is)
{
auto_ptr<MathMacroTemplate> p(new MathMacroTemplate(is));
name_ = p->name();
MathMacroTable::create(MathAtom(p.release()));
}
string InsetFormulaMacro::prefix() const
{
return to_utf8(bformat(_(" Macro: %1$s: "), lyx::from_utf8(name_)));
}
void InsetFormulaMacro::metrics(MetricsInfo & mi, Dimension & dim) const
{
//lyxerr << "InsetFormulaMacro: " << this << " -- " << &tmpl() << endl;
tmpl()->metrics(mi, dim);
dim.asc += 5;
dim.des += 5;
dim.wid += 10 + theFontMetrics(mi.base.font).width(prefix());
dim_ = dim;
}
void InsetFormulaMacro::draw(PainterInfo & p, int x, int y) const
{
// label
Font font = p.base.font;
font.setColor(Color_math);
PainterInfo pi(p.base.bv, p.pain);
pi.base.style = LM_ST_TEXT;
pi.base.font = font;
int const a = y - dim_.asc + 1;
int const w = dim_.wid - 2;
int const h = dim_.height() - 2;
// Color_mathbg used to be "AntiqueWhite" but is "linen" now, too
pi.pain.fillRectangle(x, a, w, h, Color_mathmacrobg);
pi.pain.rectangle(x, a, w, h, Color_mathframe);
// FIXME
#if 0
Cursor & cur = p.base.bv->cursor();
if (cur.isInside(this))
cur.drawSelection(pi);
#endif
pi.pain.text(x + 2, y, prefix(), font);
// body
tmpl()->draw(pi,
x + theFontMetrics(p.base.font).width(prefix()) + 5,
y);
setPosCache(pi, x, y);
}
MathAtom & InsetFormulaMacro::tmpl() const
{
return MathMacroTable::provide(name_);
}
} // namespace lyx