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e2bc7ffae3
RefChanger temporarily assigns a value to a non-const reference of any
kind. RefChanger provides a flexible and uniform generalisation of the various
scope guards previously derived from the old Changer class in MetricsInfo.h.
As before, a temporary assignment lasts as long as the Changer object lives. But
the new Changer is movable. In particular, contorsions are no longer needed to
change a private field. Special code can be moved into the appropriate classes,
and it is no longer necessary to create a new class for each specific use.
Syntax change:
FontSetChanger dummy(mi.base, value);
-> Changer dummy = mi.base.changeFontSet(value);
New function for generating arbitrary Changers:
Changer dummy = make_change(ref, val, condition);
Bugfix:
* Fix the display of \displaystyle{\substack{\frac{xyz}{}}} (missing style
change).
118 lines
2.3 KiB
C++
118 lines
2.3 KiB
C++
/**
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* \file InsetMathTabular.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetMathTabular.h"
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#include "MathData.h"
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#include "MathStream.h"
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#include "MathStream.h"
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#include "support/lstrings.h"
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#include <ostream>
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namespace lyx {
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InsetMathTabular::InsetMathTabular(Buffer * buf, docstring const & name, int m,
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int n)
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: InsetMathGrid(buf, m, n), name_(name)
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{}
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InsetMathTabular::InsetMathTabular(Buffer * buf, docstring const & name, int m,
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int n, char valign, docstring const & halign)
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: InsetMathGrid(buf, m, n, valign, halign), name_(name)
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{}
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Inset * InsetMathTabular::clone() const
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{
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return new InsetMathTabular(*this);
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}
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void InsetMathTabular::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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Changer dummy = mi.base.changeFontSet("textnormal");
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InsetMathGrid::metrics(mi, dim);
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dim.wid += 6;
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}
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Dimension const InsetMathTabular::dimension(BufferView const & bv) const
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{
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Dimension dim = InsetMathGrid::dimension(bv);
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dim.wid += 6;
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return dim;
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}
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void InsetMathTabular::draw(PainterInfo & pi, int x, int y) const
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{
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Changer dummy = pi.base.changeFontSet("textnormal");
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InsetMathGrid::drawWithMargin(pi, x, y, 4, 2);
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}
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void InsetMathTabular::write(WriteStream & os) const
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{
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ModeSpecifier specifier(os, TEXT_MODE);
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if (os.fragile())
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os << "\\protect";
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os << "\\begin{" << name_ << '}';
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bool open = os.startOuterRow();
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char const v = verticalAlignment();
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if (v == 't' || v == 'b')
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os << '[' << v << ']';
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os << '{' << horizontalAlignments() << "}\n";
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InsetMathGrid::write(os);
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if (os.fragile())
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os << "\\protect";
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os << "\\end{" << name_ << '}';
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if (open)
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os.startOuterRow();
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// adding a \n here is bad if the tabular is the last item
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// in an \eqnarray...
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}
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void InsetMathTabular::infoize(odocstream & os) const
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{
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docstring name = name_;
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name[0] = support::uppercase(name[0]);
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os << name << ' ';
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}
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void InsetMathTabular::normalize(NormalStream & os) const
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{
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os << '[' << name_ << ' ';
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InsetMathGrid::normalize(os);
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os << ']';
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}
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void InsetMathTabular::maple(MapleStream & os) const
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{
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os << "array(";
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InsetMathGrid::maple(os);
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os << ')';
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}
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} // namespace lyx
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