#include "InsetMathMacro.h"
#include "InsetMathMacroTemplate.h"
#include "MetricsInfo.h"
-#include "output_xhtml.h"
+#include "xml.h"
#include "Paragraph.h"
#include "ParIterator.h"
#include "xml.h"
#include "graphics/PreviewLoader.h"
#include "frontends/alert.h"
+#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "support/convert.h"
InsetMathHull::~InsetMathHull()
{
- for (size_t i = 0; i < label_.size(); ++i)
- delete label_[i];
+ for (auto & i : label_)
+ delete i;
}
numbered_ = other.numbered_;
numbers_ = other.numbers_;
buffer_ = other.buffer_;
- for (size_t i = 0; i < label_.size(); ++i)
- delete label_[i];
+ for (auto & i : label_)
+ delete i;
label_ = other.label_;
for (size_t i = 0; i != label_.size(); ++i) {
if (label_[i])
void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
{
- // true value in LaTeX is 12pt plus 3pt minus 9pt
- // FIXME: even better would be to handle the short skip case.
- int const display_margin = display() ? mi.base.inPixels(Length(12, Length::PT)) : 0;
+ /* Compute \(above|below)displayskip
+ true value in LaTeX is 10pt plus 2pt minus 5pt (in normal size at 10pt)
+ FIXME: make this dependent of current size? (minor improvement)
+ FIXME: if would be nice if this was not part of the inset, but
+ just increased the row ascent/descent.
+ FIXME: even better would be to handle the short skip case.
+ */
+ int const bottom_display_margin = mi.base.inPixels(Length(10, Length::PT));
+ int top_display_margin = bottom_display_margin;
+ // at start of paragraph, add an empty line
+ if (mi.vmode)
+ top_display_margin += theFontMetrics(mi.base.font).maxHeight() + 2;
if (previewState(mi.base.bv)) {
preview_->metrics(mi, dim);
// value was hardcoded to 1 pixel
dim.wid += mi.base.bv->zoomedPixels(1) ;
if (display()) {
- dim.asc += display_margin;
- dim.des += display_margin;
+ dim.asc += top_display_margin;
+ dim.des += bottom_display_margin;
}
}
return;
if (display()) {
- dim.asc += display_margin;
- dim.des += display_margin;
+ dim.asc += top_display_margin;
+ dim.des += bottom_display_margin;
}
// reserve some space for marker.
ColorCode pen_color = mouseHovered(pi.base.bv) || editing(pi.base.bv)?
Color_mathframe : Color_mathcorners;
// If the corners have the same color as the background, do not paint them.
- if (lcolor.getX11Name(Color_mathbg) == lcolor.getX11Name(pen_color))
+ if (lcolor.getX11HexName(Color_mathbg) == lcolor.getX11HexName(pen_color))
return;
Inset::drawMarkers(pi, x, y);
case hullEqnArray:
break;
}
- for (size_t row = 0; row < numbered_.size(); ++row)
- if (numbered_[row] == NOTAG)
+ for (auto const & row : numbered_)
+ if (row == NOTAG)
return true;
return false;
}
numbered(0, false);
} else {
setType(hullEquation);
- numbered(0, label_[0] ? true : false);
+ numbered(0, label_[0] != nullptr);
mutate(newtype);
}
break;
}
-int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
+void InsetMathHull::docbook(XMLStream & xs, OutputParams const & runparams) const
{
- // With DocBook 5, MathML must be within its own namespace; defined in Buffer.cpp::writeDocBookSource as "m".
- // Output everything in a separate stream so that this does not interfere with the standard flow of DocBook tags.
- odocstringstream osmath;
- MathStream ms(osmath, "m", true);
- int res = 0;
-
// Choose the tag around the MathML equation.
docstring name;
+ bool doCR = false;
if (getType() == hullSimple)
name = from_ascii("inlineequation");
- else
+ else {
+ doCR = true; // This is a block equation, always have <informalequation> on its own line.
name = from_ascii("informalequation");
+ }
+
+ // DocBook also has <equation>, but it comes with a title.
+ // TODO: recognise \tag from amsmath? This would allow having <equation> with a proper title.
- docstring bname = name;
+ docstring attr;
for (row_type i = 0; i < nrows(); ++i) {
if (!label(i).empty()) {
- bname += " xml:id=\"" + xml::cleanID(label(i)) + "\"";
+ attr = "xml:id=\"" + xml::cleanID(label(i)) + "\"";
break;
}
}
- ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
+ if (doCR)
+ if (!xs.isLastTagCR())
+ xs << xml::CR();
+ xs << xml::StartTag(name, attr);
+ xs << xml::CR();
+
+ // With DocBook 5, MathML must be within its own namespace; defined in Buffer.cpp::writeDocBookSource as "m".
+ // Output everything in a separate stream so that this does not interfere with the standard flow of DocBook tags.
+ odocstringstream osmath;
+ MathStream ms(osmath, "m", true);
+
+ // Output the MathML subtree.
odocstringstream ls;
otexstream ols(ls);
- if (runparams.flavor == OutputParams::DOCBOOK5) {
- ms << MTag("alt role='tex' ");
- // Workaround for db2latex: db2latex always includes equations with
- // \ensuremath{} or \begin{display}\end{display}
- // so we strip LyX' math environment
- WriteStream wi(ols, false, false, WriteStream::wsDefault, runparams.encoding);
- InsetMathGrid::write(wi);
- ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
- ms << ETag("alt");
- ms << MTag("math");
- ms << ETag("alt");
+
+ // TeX transcription. Avoid MTag/ETag so that there are no extraneous spaces.
+ ms << "<" << from_ascii("alt") << " role='tex'" << ">";
+ // Workaround for db2latex: db2latex always includes equations with
+ // \ensuremath{} or \begin{display}\end{display}
+ // so we strip LyX' math environment
+ WriteStream wi(ols, false, false, WriteStream::wsDefault, runparams.encoding);
+ InsetMathGrid::write(wi);
+ ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
+ ms << "</" << from_ascii("alt") << ">";
+
+ // Actual transformation of the formula into MathML. This translation may fail (for example, due to custom macros).
+ // The new output stream is required to deal with the errors: first write completely the formula into this
+ // temporary stream; then, if it is possible without error, then copy it back to the "real" stream. Otherwise,
+ // some incomplete tags might be put into the real stream.
+ try {
+ // First, generate the MathML expression.
+ odocstringstream ostmp;
+ MathStream mstmp(ostmp, ms.xmlns(), ms.xmlMode());
+ InsetMathGrid::mathmlize(mstmp);
+
+ // Then, output it (but only if the generation can be done without errors!).
ms << MTag("math");
- InsetMathGrid::mathmlize(ms);
+ ms.cr();
+ osmath << ostmp.str(); // osmath is not a XMLStream, so no need for XMLStream::ESCAPE_NONE.
ms << ETag("math");
- } else {
- ms << MTag("alt role='tex'");
- latex(ols, runparams);
- res = ols.texrow().rows();
- ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
- ms << ETag("alt");
+ } catch (MathExportException const &) {
+ ms.cr();
+ osmath << "<mathphrase>MathML export failed. Please report this as a bug.</mathphrase>";
}
- ms << from_ascii("<graphic fileref=\"eqn/");
- if (!label(0).empty())
- ms << xml::cleanID(label(0));
- else
- ms << xml::uniqueID(from_ascii("anon"));
-
- if (runparams.flavor == OutputParams::DOCBOOK5)
- ms << from_ascii("\"/>");
- else
- ms << from_ascii("\">");
-
- ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
-
- return ms.line() + res;
+ // Output the complete formula to the DocBook stream.
+ xs << XMLStream::ESCAPE_NONE << osmath.str();
+ xs << xml::CR();
+ xs << xml::EndTag(name);
+ if (doCR)
+ xs << xml::CR();
}
projects / lyx.git / blobdiff