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0705dae8a3
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7703 a592a061-630c-0410-9148-cb99ea01b6c8
139 lines
3.0 KiB
C
139 lines
3.0 KiB
C
/**
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* \file math_decorationinset.C
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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 Alejandro Aguilar Sierra
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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 "math_decorationinset.h"
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#include "math_data.h"
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#include "math_support.h"
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#include "math_parser.h"
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#include "math_mathmlstream.h"
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#include "math_streamstr.h"
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#include "support/std_ostream.h"
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using std::auto_ptr;
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MathDecorationInset::MathDecorationInset(latexkeys const * key)
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: MathNestInset(1), key_(key)
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{}
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auto_ptr<InsetBase> MathDecorationInset::clone() const
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{
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return auto_ptr<InsetBase>(new MathDecorationInset(*this));
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}
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bool MathDecorationInset::upper() const
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{
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return key_->name.substr(0, 5) != "under";
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}
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bool MathDecorationInset::isScriptable() const
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{
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return
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key_->name == "overbrace" ||
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key_->name == "underbrace" ||
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key_->name == "overleftarrow" ||
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key_->name == "overrightarrow" ||
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key_->name == "overleftrightarrow" ||
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key_->name == "underleftarrow" ||
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key_->name == "underrightarrow" ||
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key_->name == "underleftrightarrow";
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}
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bool MathDecorationInset::protect() const
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{
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return
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key_->name == "overbrace" ||
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key_->name == "underbrace" ||
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key_->name == "overleftarrow" ||
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key_->name == "overrightarrow" ||
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key_->name == "overleftrightarrow" ||
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key_->name == "underleftarrow" ||
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key_->name == "underrightarrow" ||
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key_->name == "underleftrightarrow";
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}
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bool MathDecorationInset::wide() const
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{
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return
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key_->name == "overline" ||
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key_->name == "underline" ||
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key_->name == "overbrace" ||
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key_->name == "underbrace" ||
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key_->name == "overleftarrow" ||
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key_->name == "overrightarrow" ||
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key_->name == "overleftrightarrow" ||
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key_->name == "widehat" ||
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key_->name == "widetilde" ||
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key_->name == "underleftarrow" ||
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key_->name == "underrightarrow" ||
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key_->name == "underleftrightarrow";
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}
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void MathDecorationInset::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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cell(0).metrics(mi);
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dim_ = cell(0).dim();
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dh_ = 6; //mathed_char_height(LM_TC_VAR, mi, 'I', ascent_, descent_);
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dw_ = 6; //mathed_char_width(LM_TC_VAR, mi, 'x');
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if (upper()) {
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dy_ = -dim_.asc - dh_;
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dim_.asc += dh_ + 1;
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} else {
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dy_ = dim_.des + 1;
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dim_.des += dh_ + 2;
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}
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metricsMarkers();
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dim = dim_;
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}
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void MathDecorationInset::draw(PainterInfo & pi, int x, int y) const
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{
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cell(0).draw(pi, x + 1, y);
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if (wide())
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mathed_draw_deco(pi, x + 1, y + dy_, cell(0).width(), dh_, key_->name);
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else
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mathed_draw_deco(pi, x + 1 + (pi.width - dw_) / 2,
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y + dy_, dw_, dh_, key_->name);
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drawMarkers(pi, x, y);
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}
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void MathDecorationInset::write(WriteStream & os) const
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{
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if (os.fragile() && protect())
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os << "\\protect";
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os << '\\' << key_->name << '{' << cell(0) << '}';
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}
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void MathDecorationInset::normalize(NormalStream & os) const
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{
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os << "[deco " << key_->name << ' ' << cell(0) << ']';
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}
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void MathDecorationInset::infoize(std::ostream & os) const
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{
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os << "Deco: " << key_->name;
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}
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