2003-08-19 13:00:56 +00:00
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/**
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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 Andr<EFBFBD> P<EFBFBD>nitz
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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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2001-12-05 08:04:20 +00:00
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2003-08-19 13:00:56 +00:00
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#include <config.h>
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2001-02-26 12:53:35 +00:00
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2005-01-05 17:34:12 +00:00
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#include "LaTeXFeatures.h"
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2001-02-13 13:28:32 +00:00
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#include "math_decorationinset.h"
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2003-09-07 21:25:37 +00:00
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#include "math_data.h"
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2001-11-08 12:15:12 +00:00
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#include "math_support.h"
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2001-02-13 13:28:32 +00:00
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#include "math_parser.h"
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2001-11-08 12:06:56 +00:00
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#include "math_mathmlstream.h"
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2001-12-05 08:04:20 +00:00
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#include "math_streamstr.h"
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2004-04-08 15:20:05 +00:00
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2004-08-14 14:03:42 +00:00
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#include "debug.h"
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2003-09-05 17:23:11 +00:00
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#include "support/std_ostream.h"
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2002-06-24 20:28:12 +00:00
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2003-07-25 17:11:25 +00:00
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using std::auto_ptr;
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2001-02-13 13:28:32 +00:00
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2002-07-17 10:25:33 +00:00
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MathDecorationInset::MathDecorationInset(latexkeys const * key)
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: MathNestInset(1), key_(key)
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2004-08-14 14:03:42 +00:00
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{
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2004-08-14 19:55:00 +00:00
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// lyxerr << " creating deco " << key->name << std::endl;
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2004-08-14 14:03:42 +00:00
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}
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2001-02-13 13:28:32 +00:00
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2004-11-23 23:04:52 +00:00
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auto_ptr<InsetBase> MathDecorationInset::doClone() const
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2002-03-21 17:42:56 +00:00
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{
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2003-07-25 17:11:25 +00:00
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return auto_ptr<InsetBase>(new MathDecorationInset(*this));
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2001-02-13 13:28:32 +00:00
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}
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2001-08-15 06:53:25 +00:00
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bool MathDecorationInset::upper() const
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{
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2002-07-17 10:25:33 +00:00
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return key_->name.substr(0, 5) != "under";
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2001-08-15 06:53:25 +00:00
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}
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2001-09-11 10:58:17 +00:00
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bool MathDecorationInset::isScriptable() const
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{
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2001-09-12 13:23:39 +00:00
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return
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2002-07-17 10:25:33 +00:00
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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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2001-09-11 10:58:17 +00:00
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}
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2001-08-15 06:53:25 +00:00
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bool MathDecorationInset::protect() const
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{
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return
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2002-07-17 10:25:33 +00:00
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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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2001-08-15 06:53:25 +00:00
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}
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2001-02-13 13:28:32 +00:00
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2001-09-12 15:56:09 +00:00
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bool MathDecorationInset::wide() const
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{
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return
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2002-07-17 10:25:33 +00:00
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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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2001-09-12 15:56:09 +00:00
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}
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2005-01-05 17:34:12 +00:00
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bool MathDecorationInset::ams() const
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{
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return
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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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2003-06-02 10:03:27 +00:00
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void MathDecorationInset::metrics(MetricsInfo & mi, Dimension & dim) const
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2001-02-13 13:28:32 +00:00
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{
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2004-01-30 11:41:12 +00:00
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cell(0).metrics(mi, dim);
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2003-05-28 13:22:36 +00:00
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2002-07-11 11:27:24 +00:00
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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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2001-06-25 00:06:33 +00:00
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2001-08-15 06:53:25 +00:00
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if (upper()) {
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2004-01-30 11:41:12 +00:00
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dy_ = -dim.asc - dh_;
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dim.asc += dh_ + 1;
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2001-02-13 13:28:32 +00:00
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} else {
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2004-01-30 11:41:12 +00:00
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dy_ = dim.des + 1;
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dim.des += dh_ + 2;
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2001-02-13 13:28:32 +00:00
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}
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2002-06-24 15:37:14 +00:00
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2004-01-30 11:41:12 +00:00
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metricsMarkers(dim);
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dim_ = dim;
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2001-02-13 13:28:32 +00:00
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}
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2001-09-03 15:22:55 +00:00
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2003-03-21 14:20:48 +00:00
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void MathDecorationInset::draw(PainterInfo & pi, int x, int y) const
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2002-03-21 17:42:56 +00:00
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{
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2002-08-02 14:29:42 +00:00
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cell(0).draw(pi, x + 1, y);
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2002-03-21 17:42:56 +00:00
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if (wide())
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2003-06-17 06:34:49 +00:00
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mathed_draw_deco(pi, x + 1, y + dy_, cell(0).width(), dh_, key_->name);
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2002-03-19 16:55:58 +00:00
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else
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2004-04-08 15:20:05 +00:00
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mathed_draw_deco(pi, x + 1 + (cell(0).width() - dw_) / 2,
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2003-05-28 13:22:36 +00:00
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y + dy_, dw_, dh_, key_->name);
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2002-06-24 15:37:14 +00:00
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drawMarkers(pi, x, y);
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2001-07-05 14:48:45 +00:00
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}
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2001-02-13 13:28:32 +00:00
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2005-01-05 17:34:12 +00:00
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void MathDecorationInset::validate(LaTeXFeatures & features) const
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{
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if (ams())
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features.require("amsmath");
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}
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2001-11-09 08:35:57 +00:00
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void MathDecorationInset::write(WriteStream & os) const
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2001-02-13 13:28:32 +00:00
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{
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2001-12-03 16:24:50 +00:00
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if (os.fragile() && protect())
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os << "\\protect";
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2002-07-17 10:25:33 +00:00
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os << '\\' << key_->name << '{' << cell(0) << '}';
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2001-07-13 07:55:55 +00:00
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}
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2001-08-15 06:53:25 +00:00
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2001-11-09 08:35:57 +00:00
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void MathDecorationInset::normalize(NormalStream & os) const
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2001-07-13 07:55:55 +00:00
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{
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2002-07-17 10:25:33 +00:00
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os << "[deco " << key_->name << ' ' << cell(0) << ']';
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2001-02-13 13:28:32 +00:00
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}
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2002-06-24 15:37:14 +00:00
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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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2002-06-24 15:37:14 +00:00
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}
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