require amsmath for some under/over arrows

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_3_X@9437 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Jean-Marc Lasgouttes 2005-01-05 17:33:44 +00:00
parent be7b9c8296
commit a8f5979a63
4 changed files with 30 additions and 0 deletions

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@ -1,3 +1,8 @@
2005-01-03 Jean-Marc Lasgouttes <lasgouttes@lyx.org>
* math_decorationinset.C (ams, validate): new methods. Require
amsmath when using AMS-LaTeX over and under arrows.
2004-12-22 Georg Baum <Georg.Baum@post.rwth-aachen.de>
* math_parser.C (addRow, addCol): new, try to add a row or column to

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@ -1,5 +1,6 @@
#include <config.h>
#include "LaTeXFeatures.h"
#include "math_decorationinset.h"
#include "math_support.h"
#include "math_parser.h"
@ -71,6 +72,16 @@ bool MathDecorationInset::wide() const
}
bool MathDecorationInset::ams() const
{
return
key_->name == "overleftrightarrow" ||
key_->name == "underleftarrow" ||
key_->name == "underrightarrow" ||
key_->name == "underleftrightarrow";
}
void MathDecorationInset::metrics(MathMetricsInfo & mi) const
{
cell(0).metrics(mi);
@ -101,6 +112,13 @@ void MathDecorationInset::draw(MathPainterInfo & pi, int x, int y) const
}
void MathDecorationInset::validate(LaTeXFeatures & features) const
{
if (ams())
features.require("amsmath");
}
void MathDecorationInset::write(WriteStream & os) const
{
if (os.fragile() && protect())

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@ -26,6 +26,8 @@ public:
///
void metrics(MathMetricsInfo & mi) const;
///
void validate(LaTeXFeatures & features) const;
///
void normalize(NormalStream & os) const;
///
void infoize(std::ostream & os) const;
@ -39,6 +41,8 @@ private:
bool protect() const;
/// is it a wide decoration?
bool wide() const;
/// does this need the amsmath package?
bool ams() const;
///
latexkeys const * key_;

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@ -41,6 +41,9 @@ What's new
- Fix crash when reading equations containing more columns than allowed
[bug 1542].
- Make sure that the amsmath package is used in LaTeX output when
using some over and under arrows in equations.
- Fix output of mathbb and mathcal symbols via the math panel
(xforms only) [bug 1214].