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https://git.lyx.org/repos/lyx.git
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75a08df529
Some text-in-math environments such as \text, \mbox, \fbox, and \makebox, inherit the outer text font. This commit reflects this in the on-screen representation. Fixes #12950.
484 lines
12 KiB
C++
484 lines
12 KiB
C++
/**
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* \file InsetMathBox.cpp
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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 André Pönitz
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* \author Ling Li (InsetMathMakebox)
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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 "InsetMathBox.h"
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#include "LaTeXFeatures.h"
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#include "MathData.h"
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#include "MathStream.h"
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#include "MathSupport.h"
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#include "MetricsInfo.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include "frontends/Painter.h"
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#include <algorithm>
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#include <iostream>
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#include <ostream>
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using namespace lyx::support;
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namespace lyx {
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/////////////////////////////////////////////////////////////////////
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//
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// InsetMathBox
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//
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/////////////////////////////////////////////////////////////////////
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InsetMathBox::InsetMathBox(Buffer * buf, docstring const & name)
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: InsetMathNest(buf, 1), name_(name)
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{}
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void InsetMathBox::write(TeXMathStream & os) const
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{
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ModeSpecifier specifier(os, TEXT_MODE);
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os << '\\' << name_ << '{' << cell(0) << '}';
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}
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void InsetMathBox::normalize(NormalStream & os) const
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{
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os << '[' << name_ << ' ';
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//text_->write(buffer(), os);
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os << "] ";
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}
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namespace {
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void splitAndWrapInMText(MathMLStream & ms, MathData const & cell,
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const std::string & attributes)
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{
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// First, generate the inset into a string of its own.
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docstring inset_contents;
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{
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odocstringstream ostmp;
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MathMLStream mstmp(ostmp, ms.xmlns());
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SetMode textmode(mstmp, true);
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mstmp << cell;
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inset_contents = ostmp.str();
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}
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// No tags are allowed within <m:mtext>: split the string if there are tags.
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std::vector<docstring> parts;
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while (true) {
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std::size_t angle_pos = inset_contents.find('<');
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if (angle_pos == docstring::npos)
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break;
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// String structure:
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// - prefix: pure text, no tag
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// - tag to split: something like <m:mn>1</m:mn> or more complicated
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// (like nested tags), with or without name space
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// - rest to be taken care of in the next iteration
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// Push the part before the tag.
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parts.emplace_back(inset_contents.substr(0, angle_pos));
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inset_contents = inset_contents.substr(angle_pos);
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// Now, inset_contents starts with the tag to isolate, so that
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// inset_contents[0] == '<'
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// Push the tag, up to its end. Process: find the tag name (either
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// before > or the first attribute of the tag), then the matching end
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// tag, then proceed with pushing.
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const std::size_t tag_name_end =
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std::min(inset_contents.find(' ', 1), inset_contents.find('>', 1));
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const std::size_t tag_name_length = tag_name_end - 1;
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const docstring tag_name = inset_contents.substr(1, tag_name_length);
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const std::size_t end_tag_start =
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inset_contents.find(tag_name, tag_name_end + 1);
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const std::size_t end_tag = inset_contents.find('>', end_tag_start);
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parts.emplace_back(inset_contents.substr(0, end_tag + 1));
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inset_contents = inset_contents.substr(end_tag + 1);
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}
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parts.emplace_back(inset_contents);
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// Finally, output the complete inset: escape the test in <m:mtext>, leave
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// the other tags untouched.
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ms << MTag("mrow", attributes);
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for (std::size_t i = 0; i < parts.size(); i += 2) {
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ms << MTag("mtext")
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<< parts[i]
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<< ETag("mtext");
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if (parts.size() > i + 1)
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ms << parts[i + 1];
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}
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ms << ETag("mrow");
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}
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}
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void InsetMathBox::mathmlize(MathMLStream & ms) const
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{
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// FIXME XHTML
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// Need to do something special for tags here.
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// Probably will have to involve deferring them, which
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// means returning something from this routine.
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splitAndWrapInMText(ms, cell(0), "class='mathbox'");
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}
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void InsetMathBox::htmlize(HtmlStream & ms) const
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{
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SetHTMLMode textmode(ms, true);
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ms << MTag("span", "class='mathbox'")
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<< cell(0)
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<< ETag("span");
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}
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void InsetMathBox::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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Changer dummy = mi.base.changeFontSet("text");
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cell(0).metrics(mi, dim);
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}
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void InsetMathBox::draw(PainterInfo & pi, int x, int y) const
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{
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Changer dummy = pi.base.changeFontSet("text");
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cell(0).draw(pi, x, y);
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}
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void InsetMathBox::infoize(odocstream & os) const
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{
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os << bformat(_("Box: %1$s"), name_);
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}
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void InsetMathBox::validate(LaTeXFeatures & features) const
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{
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// FIXME XHTML
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// It'd be better to be able to get this from an InsetLayout, but at present
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// InsetLayouts do not seem really to work for things that aren't InsetTexts.
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if (features.runparams().math_flavor == OutputParams::MathAsMathML)
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features.addCSSSnippet("mtext.mathbox { font-style: normal; }");
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else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
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features.addCSSSnippet("span.mathbox { font-style: normal; }");
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if (name_ == "tag" || name_ == "tag*")
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features.require("amsmath");
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InsetMathNest::validate(features);
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}
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/////////////////////////////////////////////////////////////////////
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//
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// InsetMathFBox
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//
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/////////////////////////////////////////////////////////////////////
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InsetMathFBox::InsetMathFBox(Buffer * buf)
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: InsetMathNest(buf, 1)
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{}
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void InsetMathFBox::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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Changer dummy = mi.base.changeFontSet("text");
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cell(0).metrics(mi, dim);
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// 1 pixel space, 1 frame, 1 space
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dim.wid += 2 * 3;
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dim.asc += 3;
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dim.des += 3;
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}
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void InsetMathFBox::draw(PainterInfo & pi, int x, int y) const
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{
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Dimension const dim = dimension(*pi.base.bv);
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pi.pain.rectangle(x + 1, y - dim.ascent() + 1,
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dim.width() - 2, dim.height() - 2, Color_foreground);
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Changer dummy = pi.base.changeFontSet("text");
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cell(0).draw(pi, x + 3, y);
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}
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void InsetMathFBox::write(TeXMathStream & os) const
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{
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ModeSpecifier specifier(os, TEXT_MODE);
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os << "\\fbox{" << cell(0) << '}';
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}
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void InsetMathFBox::normalize(NormalStream & os) const
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{
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os << "[fbox " << cell(0) << ']';
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}
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void InsetMathFBox::mathmlize(MathMLStream & ms) const
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{
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splitAndWrapInMText(ms, cell(0), "class='fbox'");
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}
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void InsetMathFBox::htmlize(HtmlStream & ms) const
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{
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SetHTMLMode textmode(ms, true);
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ms << MTag("span", "class='fbox'")
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<< cell(0)
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<< ETag("span");
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}
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void InsetMathFBox::infoize(odocstream & os) const
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{
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os << "FBox: ";
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}
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void InsetMathFBox::validate(LaTeXFeatures & features) const
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{
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// FIXME XHTML
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// It'd be better to be able to get this from an InsetLayout, but at present
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// InsetLayouts do not seem really to work for things that aren't InsetTexts.
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if (features.runparams().math_flavor == OutputParams::MathAsMathML)
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features.addCSSSnippet(
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"mtext.fbox { border: 1px solid black; font-style: normal; padding: 0.5ex; }");
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else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
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features.addCSSSnippet(
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"span.fbox { border: 1px solid black; font-style: normal; padding: 0.5ex; }");
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cell(0).validate(features);
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InsetMathNest::validate(features);
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}
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/////////////////////////////////////////////////////////////////////
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//
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// InsetMathMakebox
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//
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/////////////////////////////////////////////////////////////////////
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InsetMathMakebox::InsetMathMakebox(Buffer * buf, bool framebox)
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: InsetMathNest(buf, 3), framebox_(framebox)
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{}
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void InsetMathMakebox::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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Changer dummy = mi.base.changeFontSet("text");
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Dimension wdim;
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static docstring bracket = from_ascii("[");
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metricsStrRedBlack(mi, wdim, bracket);
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int w = wdim.wid;
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Dimension dim0;
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Dimension dim1;
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Dimension dim2;
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cell(0).metrics(mi, dim0);
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cell(1).metrics(mi, dim1);
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cell(2).metrics(mi, dim2);
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dim.wid = w + dim0.wid + w + w + dim1.wid + w + 2 + dim2.wid;
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dim.asc = std::max(std::max(wdim.asc, dim0.asc), std::max(dim1.asc, dim2.asc));
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dim.des = std::max(std::max(wdim.des, dim0.des), std::max(dim1.des, dim2.des));
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if (framebox_) {
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dim.wid += 4;
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dim.asc += 3;
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dim.des += 2;
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} else {
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dim.asc += 1;
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dim.des += 1;
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}
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}
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void InsetMathMakebox::draw(PainterInfo & pi, int x, int y) const
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{
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Changer dummy = pi.base.changeFontSet("text");
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BufferView const & bv = *pi.base.bv;
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int w = mathed_char_width(pi.base.font, '[');
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if (framebox_) {
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Dimension const dim = dimension(*pi.base.bv);
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pi.pain.rectangle(x + 1, y - dim.ascent() + 1,
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dim.width() - 2, dim.height() - 2, Color_foreground);
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x += 2;
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}
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drawStrBlack(pi, x, y, from_ascii("["));
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x += w;
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cell(0).draw(pi, x, y);
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x += cell(0).dimension(bv).wid;
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drawStrBlack(pi, x, y, from_ascii("]"));
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x += w;
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drawStrBlack(pi, x, y, from_ascii("["));
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x += w;
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cell(1).draw(pi, x, y);
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x += cell(1).dimension(bv).wid;
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drawStrBlack(pi, x, y, from_ascii("]"));
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x += w + 2;
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cell(2).draw(pi, x, y);
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}
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void InsetMathMakebox::write(TeXMathStream & os) const
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{
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ModeSpecifier specifier(os, TEXT_MODE);
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os << (framebox_ ? "\\framebox" : "\\makebox");
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if (!cell(0).empty() || !os.latex()) {
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os << '[' << cell(0) << ']';
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if (!cell(1).empty() || !os.latex())
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os << '[' << cell(1) << ']';
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}
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os << '{' << cell(2) << '}';
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}
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void InsetMathMakebox::normalize(NormalStream & os) const
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{
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os << (framebox_ ? "[framebox " : "[makebox ")
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<< cell(0) << ' ' << cell(1) << ' ' << cell(2) << ']';
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}
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void InsetMathMakebox::infoize(odocstream & os) const
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{
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os << (framebox_ ? "Framebox" : "Makebox")
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<< " (width: " << cell(0)
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<< " pos: " << cell(1) << ")";
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}
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void InsetMathMakebox::mathmlize(MathMLStream & ms) const
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{
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// FIXME We could do something with the other arguments.
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std::string const cssclass = framebox_ ? "framebox" : "makebox";
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splitAndWrapInMText(ms, cell(2), "class='" + cssclass + "'");
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}
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void InsetMathMakebox::htmlize(HtmlStream & ms) const
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{
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// FIXME We could do something with the other arguments.
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SetHTMLMode textmode(ms, true);
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std::string const cssclass = framebox_ ? "framebox" : "makebox";
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ms << MTag("span", "class='" + cssclass + "'")
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<< cell(2)
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<< ETag("span");
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}
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void InsetMathMakebox::validate(LaTeXFeatures & features) const
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{
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// FIXME XHTML
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// It'd be better to be able to get this from an InsetLayout, but at present
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// InsetLayouts do not seem really to work for things that aren't InsetTexts.
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if (features.runparams().math_flavor == OutputParams::MathAsMathML)
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features.addCSSSnippet("mtext.framebox { border: 1px solid black; }");
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else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
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features.addCSSSnippet("span.framebox { border: 1px solid black; }");
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InsetMathNest::validate(features);
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}
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/////////////////////////////////////////////////////////////////////
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//
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// InsetMathBoxed
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//
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/////////////////////////////////////////////////////////////////////
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InsetMathBoxed::InsetMathBoxed(Buffer * buf)
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: InsetMathNest(buf, 1)
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{}
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void InsetMathBoxed::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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cell(0).metrics(mi, dim);
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// 1 pixel space, 1 frame, 1 space
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dim.wid += 2 * 3;
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dim.asc += 3;
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dim.des += 3;
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}
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void InsetMathBoxed::draw(PainterInfo & pi, int x, int y) const
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{
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Dimension const dim = dimension(*pi.base.bv);
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pi.pain.rectangle(x + 1, y - dim.ascent() + 1,
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dim.width() - 2, dim.height() - 2, Color_foreground);
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cell(0).draw(pi, x + 3, y);
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}
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void InsetMathBoxed::write(TeXMathStream & os) const
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{
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ModeSpecifier specifier(os, MATH_MODE);
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os << "\\boxed{" << cell(0) << '}';
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}
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void InsetMathBoxed::normalize(NormalStream & os) const
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{
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os << "[boxed " << cell(0) << ']';
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}
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void InsetMathBoxed::infoize(odocstream & os) const
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{
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os << "Boxed: ";
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}
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void InsetMathBoxed::mathmlize(MathMLStream & ms) const
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{
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splitAndWrapInMText(ms, cell(0), "class='boxed'");
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}
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void InsetMathBoxed::htmlize(HtmlStream & ms) const
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{
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ms << MTag("span", "class='boxed'")
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<< cell(0)
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<< ETag("span");
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}
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void InsetMathBoxed::validate(LaTeXFeatures & features) const
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{
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features.require("amsmath");
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// FIXME XHTML
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// It'd be better to be able to get this from an InsetLayout, but at present
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// InsetLayouts do not seem really to work for things that aren't InsetTexts.
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if (features.runparams().math_flavor == OutputParams::MathAsMathML)
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features.addCSSSnippet("mtext.boxed { border: 1px solid black; }");
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else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
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features.addCSSSnippet("span.boxed { border: 1px solid black; }");
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InsetMathNest::validate(features);
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}
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} // namespace lyx
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