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https://git.lyx.org/repos/lyx.git
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write \mathrm{x}\mathrm{y} as \mathrm{xy} again
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2966 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
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@ -224,9 +224,11 @@ From:
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// there, because otherwise more math symbols would be ready by now..
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// just a thought.
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- Some math symbols aren't very well supported (to my knowledge). I'm
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thinking of underbraces with extra data in them,or [] options.
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//- Some math symbols aren't very well supported (to my knowledge). I'm
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// thinking of underbraces with extra data in them
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- Some math symbols aren't very well supported (to my knowledge). I'm
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thinking of [] options.
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Herbert Voss:
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@ -28,6 +28,8 @@ libmathed_la_SOURCES = \
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math_braceinset.h \
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math_boxinset.C \
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math_boxinset.h \
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math_binaryopinset.C \
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math_binaryopinset.h \
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math_charinset.C \
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math_charinset.h \
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math_cursor.C \
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@ -94,6 +96,8 @@ libmathed_la_SOURCES = \
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math_sqrtinset.h \
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math_stackrelinset.C \
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math_stackrelinset.h \
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math_stringinset.C \
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math_stringinset.h \
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math_symbolinset.C \
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math_symbolinset.h \
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support.C \
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@ -5,6 +5,7 @@
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#include "math_inset.h"
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#include "math_charinset.h"
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#include "math_scriptinset.h"
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#include "math_stringinset.h"
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#include "debug.h"
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#include "array.h"
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#include "mathed/support.h"
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@ -171,24 +172,37 @@ string charSequence(MathArray::const_iterator it, MathArray::const_iterator end)
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}
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MathArray MathArray::glueChars() const
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{
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MathArray ar;
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const_iterator it = begin();
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while (it != end()) {
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if (it->nucleus() && it->nucleus()->asCharInset()) {
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string s = charSequence(it, end());
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MathTextCodes c = it->nucleus()->asCharInset()->code();
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ar.push_back(MathAtom(new MathStringInset(s, c)));
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it += s.size();
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} else {
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ar.push_back(*it);
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++it;
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}
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}
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return ar;
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}
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void MathArray::write(MathWriteInfo & wi) const
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{
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glueChars().write1(wi);
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}
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void MathArray::write1(MathWriteInfo & wi) const
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{
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for (const_iterator it = begin(); it != end(); ++it) {
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MathInset * p = it->nucleus();
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if (!p)
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continue;
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/*
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if (p->asCharInset()) {
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MathCharInset const * c = p->asCharInset();
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// special handling for character sequences with the same code
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string s = charSequence(it, end());
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c->writeHeader(os);
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os << s;
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c->writeTrailer(os);
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it += s.size() - 1;
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} else
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*/
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if (MathScriptInset const * q = asScript(it)) {
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q->write(p, wi);
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++it;
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@ -97,8 +97,10 @@ public:
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MathAtom & at(size_type pos);
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///
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MathAtom const & at(size_type pos) const;
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///
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/// glue chars if necessary
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void write(MathWriteInfo & os) const;
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/// raw write
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void write1(MathWriteInfo & os) const;
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///
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void writeNormal(std::ostream &) const;
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///
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@ -113,6 +115,8 @@ public:
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iterator end();
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///
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MathScriptInset const * asScript(const_iterator it) const;
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/// glues chars with the same attributes into MathStringInsets
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MathArray glueChars() const;
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private:
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/// Buffer
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buffer_type bf_;
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60
src/mathed/math_binaryopinset.C
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60
src/mathed/math_binaryopinset.C
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@ -0,0 +1,60 @@
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "math_binaryopinset.h"
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#include "Painter.h"
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#include "support/LOstream.h"
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#include "support.h"
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MathBinaryOpInset::MathBinaryOpInset(char op)
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: MathNestInset(2), op_(op)
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{}
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MathInset * MathBinaryOpInset::clone() const
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{
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return new MathBinaryOpInset(*this);
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}
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int MathBinaryOpInset::opwidth() const
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{
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return mathed_char_width(LM_TC_CONST, mi_, op_);
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}
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void MathBinaryOpInset::metrics(MathMetricsInfo const & mi) const
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{
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mi_ = mi;
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xcell(0).metrics(mi);
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xcell(1).metrics(mi);
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width_ = xcell(0).width() + xcell(1).width() + opwidth();
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ascent_ = std::max(xcell(0).ascent(), xcell(1).ascent());
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descent_ = std::max(xcell(0).descent(), xcell(1).descent());
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}
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void MathBinaryOpInset::draw(Painter & pain, int x, int y) const
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{
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xcell(0).draw(pain, x, y);
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drawChar(pain, LM_TC_CONST, mi_, x + xcell(0).width() , y, op_);
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xcell(1).draw(pain, x + width() - xcell(1).width(), y);
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}
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void MathBinaryOpInset::write(MathWriteInfo & os) const
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{
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os << '{' << cell(0) << op_ << cell(1) << '}';
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}
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void MathBinaryOpInset::writeNormal(std::ostream & os) const
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{
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os << "[binop " << op_ << ' ';
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cell(0).writeNormal(os);
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os << " ";
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cell(1).writeNormal(os);
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os << "]";
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}
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37
src/mathed/math_binaryopinset.h
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37
src/mathed/math_binaryopinset.h
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@ -0,0 +1,37 @@
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// -*- C++ -*-
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#ifndef MATH_BINARYOPINSET_H
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#define MATH_BINARYOPINSET_H
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#include "math_nestinset.h"
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#include "math_nestinset.h"
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#ifdef __GNUG__
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#pragma interface
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#endif
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/** An inset for multiplication
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\author André Pönitz
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*/
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class MathBinaryOpInset : public MathNestInset {
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public:
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///
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explicit MathBinaryOpInset(char op);
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///
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MathInset * clone() const;
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///
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void draw(Painter &, int x, int y) const;
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///
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void write(MathWriteInfo & os) const;
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///
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void writeNormal(std::ostream &) const;
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///
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void metrics(MathMetricsInfo const & st) const;
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private:
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///
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int opwidth() const;
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///
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char op_;
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///
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mutable MathMetricsInfo mi_;
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};
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#endif
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@ -13,22 +13,6 @@
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#include "debug.h"
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namespace {
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char const * math_font_name[] = {
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"mathrm",
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"mathcal",
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"mathbf",
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"mathbb",
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"mathsf",
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"mathtt",
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"mathit",
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"textrm"
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};
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}
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MathCharInset::MathCharInset(char c)
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: char_(c), code_(nativeCode(c))
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{
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@ -91,14 +75,14 @@ void MathCharInset::draw(Painter & pain, int x, int y) const
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void MathCharInset::writeHeader(std::ostream & os) const
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{
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if (code_ >= LM_TC_RM && code_ <= LM_TC_TEXTRM)
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os << '\\' << math_font_name[code_ - LM_TC_RM] << '{';
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if (math_font_name(code_))
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os << '\\' << math_font_name(code_) << '{';
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}
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void MathCharInset::writeTrailer(std::ostream & os) const
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{
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if (code_ >= LM_TC_RM && code_ <= LM_TC_TEXTRM)
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if (math_font_name(code_))
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os << '}';
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}
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@ -243,6 +243,14 @@ bool MathMatrixInset::numbered(row_type row) const
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bool MathMatrixInset::ams() const
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{
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return true;
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return
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objtype_ == LM_OT_ALIGN ||
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objtype_ == LM_OT_MULTLINE ||
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objtype_ == LM_OT_GATHER ||
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objtype_ == LM_OT_ALIGNAT ||
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objtype_ == LM_OT_XALIGNAT ||
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objtype_ == LM_OT_XXALIGNAT;
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}
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70
src/mathed/math_stringinset.C
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70
src/mathed/math_stringinset.C
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@ -0,0 +1,70 @@
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include <cctype>
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#include "math_stringinset.h"
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#include "LColor.h"
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#include "Painter.h"
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#include "support/LOstream.h"
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#include "support.h"
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#include "math_parser.h"
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#include "debug.h"
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MathStringInset::MathStringInset(string const & s, MathTextCodes t)
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: str_(s), code_(t)
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{}
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MathInset * MathStringInset::clone() const
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{
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return new MathStringInset(*this);
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}
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int MathStringInset::ascent() const
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{
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return mathed_string_ascent(code_, mi_, str_);
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}
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int MathStringInset::descent() const
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{
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return mathed_string_descent(code_, mi_, str_);
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}
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int MathStringInset::width() const
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{
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return mathed_string_width(code_, mi_, str_);
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}
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void MathStringInset::metrics(MathMetricsInfo const & mi) const
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{
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mi_ = mi;
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}
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void MathStringInset::draw(Painter & pain, int x, int y) const
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{
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//lyxerr << "drawing '" << str_ << "' code: " << code_ << endl;
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drawStr(pain, code_, mi_, x, y, str_);
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}
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void MathStringInset::write(MathWriteInfo & os) const
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{
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if (math_font_name(code_))
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os << '\\' << math_font_name(code_) << '{' << str_ << '}';
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else
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os << str_;
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}
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void MathStringInset::writeNormal(std::ostream & os) const
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{
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os << "[string " << str_ << " " << "mathalpha" << "]";
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}
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46
src/mathed/math_stringinset.h
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46
src/mathed/math_stringinset.h
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@ -0,0 +1,46 @@
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// -*- C++ -*-
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#ifndef MATH_STRINGINSET_H
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#define MATH_STRINGINSET_H
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#include "math_inset.h"
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#ifdef __GNUG__
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#pragma interface
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#endif
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/** Some cllection of chars with similar properties
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\author André Pönitz
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*/
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class MathStringInset : public MathInset {
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public:
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///
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MathStringInset(string const & s, MathTextCodes t);
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///
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MathInset * clone() const;
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///
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void metrics(MathMetricsInfo const & st) const;
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///
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void draw(Painter &, int x, int y) const;
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///
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void write(MathWriteInfo & os) const;
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///
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void writeNormal(std::ostream &) const;
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///
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int ascent() const;
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///
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int descent() const;
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///
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int width() const;
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///
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string & str();
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private:
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/// the string
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string str_;
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/// the font to be used on screen
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MathTextCodes code_;
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///
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mutable MathMetricsInfo mi_;
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};
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#endif
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@ -591,6 +591,29 @@ int mathed_string_width(MathTextCodes type, MathMetricsInfo const & size,
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}
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int mathed_string_ascent(MathTextCodes type, MathMetricsInfo const & size,
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string const & s)
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{
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LyXFont const font = whichFont(type, size);
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int asc = 0;
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for (string::const_iterator it = s.begin(); it != s.end(); ++it)
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asc = max(asc, lyxfont::ascent(*it, font));
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return asc;
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}
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int mathed_string_descent(MathTextCodes type, MathMetricsInfo const & size,
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string const & s)
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{
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LyXFont const font = whichFont(type, size);
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int des = 0;
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for (string::const_iterator it = s.begin(); it != s.end(); ++it)
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des = max(des, lyxfont::descent(*it, font));
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return des;
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}
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void mathed_draw_deco(Painter & pain, int x, int y, int w, int h,
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const string & name)
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{
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@ -714,3 +737,22 @@ void math_font_max_dim(MathTextCodes code, MathMetricsInfo const & siz,
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char const * latex_mathspace[] = {
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"!", ",", ":", ";", "quad", "qquad"
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};
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char const * math_font_name(MathTextCodes code)
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{
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static char const * theFontNames[] = {
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"mathrm",
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"mathcal",
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"mathbf",
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"mathbb",
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"mathsf",
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"mathtt",
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"mathit",
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"textrm"
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};
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if (code >= LM_TC_RM && code <= LM_TC_TEXTRM)
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return theFontNames[code - LM_TC_RM];
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return 0;
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}
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@ -54,6 +54,7 @@ void smallerStyleScript(MathMetricsInfo &);
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// decrease math size for fractions
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void smallerStyleFrac(MathMetricsInfo & st);
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char const * math_font_name(MathTextCodes type);
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#endif
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Reference in New Issue
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