* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author André Pönitz
+ * \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
+#include "support/lassert.h"
+
#include "InsetMathXArrow.h"
#include "MathData.h"
#include "MathStream.h"
#include "LaTeXFeatures.h"
+using namespace std;
namespace lyx {
-InsetMathXArrow::InsetMathXArrow(docstring const & name)
- : InsetMathFracBase(), name_(name)
+InsetMathXArrow::InsetMathXArrow(Buffer * buf, docstring const & name)
+ : InsetMathFracBase(buf), name_(name)
{}
cell(0).metrics(mi, dim0);
Dimension dim1;
cell(1).metrics(mi, dim1);
- dim.wid = std::max(dim0.width(), dim1.width()) + 10;
+ dim.wid = max(dim0.width(), dim1.width()) + 10;
dim.asc = dim0.height() + 10;
dim.des = dim1.height();
metricsMarkers(dim);
- // Cache the inset dimension.
- setDimCache(mi, dim);
}
void InsetMathXArrow::draw(PainterInfo & pi, int x, int y) const
{
ScriptChanger dummy(pi.base);
- cell(0).draw(pi, x + 5, y - 10);
- Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
- cell(1).draw(pi, x + 5, y + dim1.height());
Dimension const dim = dimension(*pi.base.bv);
+ Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
+ // center the cells with the decoration
+ cell(0).draw(pi, x + dim.width()/2 - dim0.width()/2, y - 10);
+ Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
+ cell(1).draw(pi, x + dim.width()/2 - dim1.width()/2, y + dim1.height());
mathed_draw_deco(pi, x + 1, y - 7, dim.wid - 2, 5, name_);
drawMarkers(pi, x, y);
}
void InsetMathXArrow::write(WriteStream & os) const
{
+ MathEnsurer ensurer(os);
os << '\\' << name_;
- if (cell(1).size())
+ if (!cell(1).empty())
os << '[' << cell(1) << ']';
os << '{' << cell(0) << '}';
}
}
+void InsetMathXArrow::mathmlize(MathStream & ms) const
+{
+ char const * arrow;
+
+ if (name_ == "xleftarrow")
+ arrow = "←";
+ else if (name_ == "xrightarrow")
+ arrow = "→";
+ else if (name_ == "xhookleftarrow")
+ arrow = "↩";
+ else if (name_ == "xhookrightarrow")
+ arrow = "↪";
+ else if (name_ == "xLeftarrow")
+ arrow = "⇐";
+ else if (name_ == "xRightarrow")
+ arrow = "⇒";
+ else if (name_ == "xleftrightarrow")
+ arrow = "↔";
+ else if (name_ == "xLeftrightarrow")
+ arrow = "⇔";
+ else if (name_ == "xleftharpoondown")
+ arrow = "↽";
+ else if (name_ == "xleftharpoonup")
+ arrow = "↼";
+ else if (name_ == "xleftrightharpoons")
+ arrow = "⇋";
+ else if (name_ == "xrightharpoondown")
+ arrow = "⇁";
+ else if (name_ == "xrightharpoonup")
+ arrow = "⇀";
+ else if (name_ == "xrightleftharpoons")
+ arrow = "⇌";
+ else if (name_ == "xmapsto")
+ arrow = "↦";
+ else {
+ lyxerr << "mathmlize conversion for '" << name_ << "' not implemented" << endl;
+ LASSERT(false, arrow = "→");
+ }
+ ms << "<munderover accent='false' accentunder='false'>"
+ << arrow << cell(1) << cell(0)
+ << "</munderover>";
+}
+
+
+void InsetMathXArrow::htmlize(HtmlStream & os) const
+{
+ char const * arrow;
+
+ if (name_ == "xleftarrow")
+ arrow = "←";
+ else if (name_ == "xrightarrow")
+ arrow = "→";
+ else if (name_ == "xhookleftarrow")
+ arrow = "↩";
+ else if (name_ == "xhookrightarrow")
+ arrow = "↪";
+ else if (name_ == "xLeftarrow")
+ arrow = "⇐";
+ else if (name_ == "xRightarrow")
+ arrow = "⇒";
+ else if (name_ == "xleftrightarrow")
+ arrow = "↔";
+ else if (name_ == "xLeftrightarrow")
+ arrow = "⇔";
+ else if (name_ == "xleftharpoondown")
+ arrow = "↽";
+ else if (name_ == "xleftharpoonup")
+ arrow = "↼";
+ else if (name_ == "xleftrightharpoons")
+ arrow = "⇋";
+ else if (name_ == "xrightharpoondown")
+ arrow = "⇁";
+ else if (name_ == "xrightharpoonup")
+ arrow = "⇀";
+ else if (name_ == "xrightleftharpoons")
+ arrow = "⇌";
+ else if (name_ == "xmapsto")
+ arrow = "↦";
+ else {
+ lyxerr << "htmlize conversion for '" << name_ << "' not implemented" << endl;
+ LASSERT(false, arrow = "→");
+ }
+ os << MTag("span", "class='xarrow'")
+ << MTag("span", "class='xatop'") << cell(0) << ETag("span")
+ << MTag("span", "class='xabottom'") << arrow << ETag("span")
+ << ETag("span");
+}
+
+
void InsetMathXArrow::validate(LaTeXFeatures & features) const
{
- features.require("amsmath");
+ if (name_ == "xleftarrow" || name_ == "xrightarrow")
+ features.require("amsmath");
+ else
+ features.require("mathtools");
+ if (features.runparams().math_flavor == OutputParams::MathAsHTML)
+ // CSS adapted from eLyXer
+ features.addCSSSnippet(
+ "span.xarrow{display: inline-block; vertical-align: middle; text-align:center;}\n"
+ "span.xatop{display: block;}\n"
+ "span.xabottom{display: block;}");
InsetMathNest::validate(features);
}