#include "frontends/Painter.h"
+#include "support/lassert.h"
+
using namespace std;
+
namespace lyx {
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////
-InsetMathFracBase::InsetMathFracBase(idx_type ncells)
- : InsetMathNest(ncells)
+InsetMathFracBase::InsetMathFracBase(Buffer * buf, idx_type ncells)
+ : InsetMathNest(buf, ncells)
{}
bool InsetMathFracBase::idxUpDown(Cursor & cur, bool up) const
{
- InsetMath::idx_type target = !up; // up ? 0 : 1, since upper cell has idx 0
+ // If we only have one cell, target = 0, otherwise
+ // target = up ? 0 : 1, since upper cell has idx 0
+ InsetMath::idx_type target = nargs() > 1 ? !up : 0;
if (cur.idx() == target)
return false;
cur.idx() = target;
/////////////////////////////////////////////////////////////////////
-InsetMathFrac::InsetMathFrac(Kind kind, InsetMath::idx_type ncells)
- : InsetMathFracBase(ncells), kind_(kind)
+InsetMathFrac::InsetMathFrac(Buffer * buf, Kind kind, InsetMath::idx_type ncells)
+ : InsetMathFracBase(buf, ncells), kind_(kind)
{}
{
Dimension dim0, dim1, dim2;
+ // This could be simplified, including avoiding useless recalculation of
+ // cell metrics
if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
if (nargs() == 1) {
- ShapeChanger dummy2(mi.base.font, UP_SHAPE);
+ Changer dummy = mi.base.font.changeShape(UP_SHAPE);
cell(0).metrics(mi, dim0);
dim.wid = dim0.width()+ 3;
dim.asc = dim0.asc;
dim.des = dim0.des;
} else if (nargs() == 2) {
cell(0).metrics(mi, dim0);
- ShapeChanger dummy2(mi.base.font, UP_SHAPE);
+ Changer dummy = mi.base.font.changeShape(UP_SHAPE);
cell(1).metrics(mi, dim1);
dim.wid = dim0.width() + dim1.wid + 5;
dim.asc = max(dim0.asc, dim1.asc);
dim.des = max(dim0.des, dim1.des);
} else {
cell(2).metrics(mi, dim2);
- ShapeChanger dummy2(mi.base.font, UP_SHAPE);
- FracChanger dummy(mi.base);
+ Changer dummy = mi.base.font.changeShape(UP_SHAPE);
+ Changer dummy2 = mi.base.changeFrac();
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
dim.wid = dim0.width() + dim1.wid + dim2.wid + 10;
}
} else {
// general cell metrics used for \frac
- FracChanger dummy(mi.base);
+ Changer dummy = mi.base.changeFrac();
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
if (nargs() == 3)
cell(2).metrics(mi, dim2);
// metrics for special fraction types
- if (kind_ == NICEFRAC) {
- dim.wid = dim0.width() + dim1.wid + 5;
- dim.asc = dim0.height() + 5;
- dim.des = dim1.height() - 5;
- } else if (kind_ == UNITFRAC) {
- ShapeChanger dummy2(mi.base.font, UP_SHAPE);
+ if (kind_ == NICEFRAC || kind_ == UNITFRAC) {
+ Changer dummy2 = mi.base.font.changeShape(UP_SHAPE, kind_ == UNITFRAC);
dim.wid = dim0.width() + dim1.wid + 5;
dim.asc = dim0.height() + 5;
dim.des = dim1.height() - 5;
} else {
- if (kind_ == CFRAC || kind_ == CFRACLEFT
- || kind_ == CFRACRIGHT || kind_ == DFRAC) {
+ if (kind_ == CFRAC || kind_ == CFRACLEFT || kind_ == CFRACRIGHT
+ || kind_ == DFRAC || kind_ == TFRAC) {
// \cfrac and \dfrac are always in display size
- StyleChanger dummy2(mi.base, LM_ST_DISPLAY);
- cell(0).metrics(mi, dim0);
- cell(1).metrics(mi, dim1);
- } else if (kind_ == TFRAC) {
- // tfrac is in always in text size
- StyleChanger dummy2(mi.base, LM_ST_SCRIPT);
+ // \tfrac is in always in text size
+ Changer dummy2 = mi.base.changeStyle((kind_ == TFRAC)
+ ? LM_ST_SCRIPT
+ : LM_ST_DISPLAY);
cell(0).metrics(mi, dim0);
cell(1).metrics(mi, dim1);
}
Dimension const dim0 = cell(0).dimension(*pi.base.bv);
if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
if (nargs() == 1) {
- ShapeChanger dummy2(pi.base.font, UP_SHAPE);
+ Changer dummy = pi.base.font.changeShape(UP_SHAPE);
cell(0).draw(pi, x + 1, y);
} else if (nargs() == 2) {
cell(0).draw(pi, x + 1, y);
- ShapeChanger dummy2(pi.base.font, UP_SHAPE);
+ Changer dummy = pi.base.font.changeShape(UP_SHAPE);
cell(1).draw(pi, x + dim0.width() + 5, y);
} else {
cell(2).draw(pi, x + 1, y);
- ShapeChanger dummy2(pi.base.font, UP_SHAPE);
- FracChanger dummy(pi.base);
+ Changer dummy = pi.base.font.changeShape(UP_SHAPE);
+ Changer dummy2 = pi.base.changeFrac();
Dimension const dim1 = cell(1).dimension(*pi.base.bv);
Dimension const dim2 = cell(2).dimension(*pi.base.bv);
int xx = x + dim2.wid + 5;
y + dim1.asc / 2);
}
} else {
- FracChanger dummy(pi.base);
+ Changer dummy = pi.base.changeFrac();
Dimension const dim1 = cell(1).dimension(*pi.base.bv);
int m = x + dim.wid / 2;
if (kind_ == NICEFRAC) {
cell(1).draw(pi, x + dim0.width() + 5,
y + dim1.asc / 2);
} else if (kind_ == UNITFRAC) {
- ShapeChanger dummy2(pi.base.font, UP_SHAPE);
+ Changer dummy2 = pi.base.font.changeShape(UP_SHAPE);
cell(0).draw(pi, x + 2, y - dim0.des - 5);
cell(1).draw(pi, x + dim0.width() + 5, y + dim1.asc / 2);
- } else if (kind_ == FRAC || kind_ == ATOP || kind_ == OVER) {
- cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
- cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 2 - 5);
- } else if (kind_ == TFRAC) {
+ } else if (kind_ == FRAC || kind_ == ATOP || kind_ == OVER
+ || kind_ == TFRAC) {
// tfrac is in always in text size
- StyleChanger dummy2(pi.base, LM_ST_SCRIPT);
+ Changer dummy2 = pi.base.changeStyle(LM_ST_SCRIPT, kind_ == TFRAC);
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 2 - 5);
} else {
// \cfrac and \dfrac are always in display size
- StyleChanger dummy2(pi.base, LM_ST_DISPLAY);
+ Changer dummy2 = pi.base.changeStyle(LM_ST_DISPLAY);
if (kind_ == CFRAC || kind_ == DFRAC)
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
else if (kind_ == CFRACLEFT)
pi.pain.line(xx + dim0.wid,
y + dim.des - 2,
xx + dim0.wid + 5,
- y - dim.asc + 2, Color_math);
+ y - dim.asc + 2, pi.base.font.color());
}
if (kind_ == FRAC || kind_ == CFRAC || kind_ == CFRACLEFT
|| kind_ == CFRACRIGHT || kind_ == DFRAC
|| kind_ == TFRAC || kind_ == OVER)
pi.pain.line(x + 1, y - 5,
- x + dim.wid - 2, y - 5, Color_math);
+ x + dim.wid - 2, y - 5, pi.base.font.color());
drawMarkers(pi, x, y);
}
void InsetMathFrac::maple(MapleStream & os) const
{
+ if (nargs() != 2) {
+ // Someone who knows about maple should fix this.
+ LASSERT(false, return);
+ }
os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
void InsetMathFrac::mathematica(MathematicaStream & os) const
{
+ if (nargs() != 2) {
+ // Someone who knows about mathematica should fix this.
+ LASSERT(false, return);
+ }
os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
void InsetMathFrac::octave(OctaveStream & os) const
{
+ if (nargs() != 2) {
+ // Someone who knows about octave should fix this.
+ LASSERT(false, return);
+ }
os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
void InsetMathFrac::mathmlize(MathStream & os) const
{
switch (kind_) {
- case DFRAC:
- os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
+ case ATOP:
+ os << MTag("mfrac", "linethickeness='0'")
+ << MTag("mrow") << cell(0) << ETag("mrow")
+ << MTag("mrow") << cell(1) << ETag("mrow")
+ << ETag("mfrac");
break;
+
+ // we do not presently distinguish these
+ case OVER:
+ case FRAC:
+ case DFRAC:
case TFRAC:
- os << MTag("mtfrac") << cell(0) << cell(1) << ETag("mtfrac");
+ case CFRAC:
+ case CFRACLEFT:
+ case CFRACRIGHT:
+ os << MTag("mfrac")
+ << MTag("mrow") << cell(0) << ETag("mrow")
+ << MTag("mrow") << cell(1) << ETag("mrow")
+ << ETag("mfrac");
+ break;
+
+ case NICEFRAC:
+ os << MTag("mfrac", "bevelled='true'")
+ << MTag("mrow") << cell(0) << ETag("mrow")
+ << MTag("mrow") << cell(1) << ETag("mrow")
+ << ETag("mfrac");
+ break;
+
+ case UNITFRAC:
+ if (nargs() == 3)
+ os << cell(2);
+ os << MTag("mfrac", "bevelled='true'")
+ << MTag("mrow") << cell(0) << ETag("mrow")
+ << MTag("mrow") << cell(1) << ETag("mrow")
+ << ETag("mfrac");
+ break;
+
+ case UNIT:
+ // FIXME This is not right, because we still output mi, etc,
+ // when we output the cell. So we need to prevent that somehow.
+ if (nargs() == 2)
+ os << cell(0)
+ << MTag("mstyle mathvariant='normal'")
+ << cell(1)
+ << ETag("mstyle");
+ else
+ os << MTag("mstyle mathvariant='normal'")
+ << cell(0)
+ << ETag("mstyle");
+ }
+}
+
+
+void InsetMathFrac::htmlize(HtmlStream & os) const
+{
+ switch (kind_) {
+ case ATOP:
+ os << MTag("span", "class='frac'")
+ << MTag("span", "class='numer'") << cell(0) << ETag("span")
+ << MTag("span", "class='numer'") << cell(1) << ETag("span")
+ << ETag("span");
break;
+
+ // we do not presently distinguish these
+ case OVER:
case FRAC:
- default:
- os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");
+ case DFRAC:
+ case TFRAC:
+ case CFRAC:
+ case CFRACLEFT:
+ case CFRACRIGHT:
+ os << MTag("span", "class='frac'")
+ << MTag("span", "class='numer'") << cell(0) << ETag("span")
+ << MTag("span", "class='denom'") << cell(1) << ETag("span")
+ << ETag("span");
+ break;
+
+ case NICEFRAC:
+ os << cell(0) << '/' << cell(1);
+ break;
+
+ case UNITFRAC:
+ if (nargs() == 3)
+ os << cell(2) << ' ';
+ os << cell(0) << '/' << cell(1);
break;
+
+ case UNIT:
+ // FIXME This is not right, because we still output i, etc,
+ // when we output the cell. So we need to prevent that somehow.
+ if (nargs() == 2)
+ os << cell(0)
+ << MTag("span")
+ << cell(1)
+ << ETag("span");
+ else
+ os << MTag("span")
+ << cell(0)
+ << ETag("span");
}
}
if (kind_ == NICEFRAC || kind_ == UNITFRAC || kind_ == UNIT)
features.require("units");
if (kind_ == CFRAC || kind_ == CFRACLEFT || kind_ == CFRACRIGHT
- || kind_ == DFRAC || kind_ == TFRAC)
+ || kind_ == DFRAC || kind_ == TFRAC)
features.require("amsmath");
+ if (features.runparams().math_flavor == OutputParams::MathAsHTML)
+ // CSS adapted from eLyXer
+ features.addCSSSnippet(
+ "span.frac{display: inline-block; vertical-align: middle; text-align:center;}\n"
+ "span.numer{display: block;}\n"
+ "span.denom{display: block; border-top: thin solid #000040;}");
InsetMathNest::validate(features);
}
/////////////////////////////////////////////////////////////////////
-InsetMathBinom::InsetMathBinom(Kind kind)
- : kind_(kind)
+InsetMathBinom::InsetMathBinom(Buffer * buf, Kind kind)
+ : InsetMathFracBase(buf), kind_(kind)
{}
void InsetMathBinom::metrics(MetricsInfo & mi, Dimension & dim) const
{
Dimension dim0, dim1;
-
- // FIXME: for an unknown reason the cells must be set directly
- // after the StyleChanger and cannot be set after the if case
- if (kind_ == DBINOM) {
- StyleChanger dummy(mi.base, LM_ST_DISPLAY);
- cell(0).metrics(mi, dim0);
- cell(1).metrics(mi, dim1);
- } else if (kind_ == TBINOM) {
- StyleChanger dummy(mi.base, LM_ST_SCRIPT);
- cell(0).metrics(mi, dim0);
- cell(1).metrics(mi, dim1);
- } else {
- FracChanger dummy(mi.base);
- cell(0).metrics(mi, dim0);
- cell(1).metrics(mi, dim1);
- }
+ Changer dummy =
+ (kind_ == DBINOM) ? mi.base.changeStyle(LM_ST_DISPLAY) :
+ (kind_ == TBINOM) ? mi.base.changeStyle(LM_ST_SCRIPT) :
+ mi.base.changeFrac();
+ cell(0).metrics(mi, dim0);
+ cell(1).metrics(mi, dim1);
dim.asc = dim0.height() + 4 + 5;
dim.des = dim1.height() + 4 - 5;
dim.wid = max(dim0.wid, dim1.wid) + 2 * dw(dim.height()) + 4;
kind_ == BRACK ? from_ascii("]") : from_ascii(")");
int m = x + dim.width() / 2;
- // FIXME: for an unknown reason the cells must be drawn directly
- // after the StyleChanger and cannot be drawn after the if case
- if (kind_ == DBINOM) {
- StyleChanger dummy(pi.base, LM_ST_DISPLAY);
- cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 3 - 5);
- cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 3 - 5);
- } else if (kind_ == TBINOM) {
- StyleChanger dummy(pi.base, LM_ST_SCRIPT);
- cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 3 - 5);
- cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 3 - 5);
- } else {
- FracChanger dummy2(pi.base);
+ {
+ Changer dummy =
+ (kind_ == DBINOM) ? pi.base.changeStyle(LM_ST_DISPLAY) :
+ (kind_ == TBINOM) ? pi.base.changeStyle(LM_ST_SCRIPT) :
+ pi.base.changeFrac();
cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 3 - 5);
cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 3 - 5);
}
void InsetMathBinom::mathmlize(MathStream & os) const
{
+ char ldelim = ' ';
+ char rdelim = ' ';
switch (kind_) {
case BINOM:
- os << MTag("mbinom") << cell(0) << cell(1) << ETag("mbinom");
- break;
case TBINOM:
- os << MTag("mtbinom") << cell(0) << cell(1) << ETag("mtbinom");
+ case DBINOM:
+ case CHOOSE:
+ ldelim = '(';
+ rdelim = ')';
+ break;
+ case BRACE:
+ ldelim = '{';
+ rdelim = '}';
+ break;
+ case BRACK:
+ ldelim = '[';
+ rdelim = ']';
break;
+ }
+ os << "<mo fence='true' stretchy='true' form='prefix'>" << ldelim << "</mo>"
+ << "<mfrac linethickness='0'>"
+ << cell(0) << cell(1)
+ << "</mfrac>"
+ << "<mo fence='true' stretchy='true' form='postfix'>" << rdelim << "</mo>";
+}
+
+
+void InsetMathBinom::htmlize(HtmlStream & os) const
+{
+ char ldelim = ' ';
+ char rdelim = ' ';
+ switch (kind_) {
+ case BINOM:
+ case TBINOM:
case DBINOM:
- default:
- os << MTag("mdbinom") << cell(0) << cell(1) << ETag("mdbinom");
+ case CHOOSE:
+ ldelim = '(';
+ rdelim = ')';
+ break;
+ case BRACE:
+ ldelim = '{';
+ rdelim = '}';
+ break;
+ case BRACK:
+ ldelim = '[';
+ rdelim = ']';
break;
}
+ os << MTag("span", "class='binomdelim'") << ldelim << ETag("span") << '\n'
+ << MTag("span", "class='binom'") << '\n'
+ << MTag("span") << cell(0) << ETag("span") << '\n'
+ << MTag("span") << cell(1) << ETag("span") << '\n'
+ << ETag("span") << '\n'
+ << MTag("span", "class='binomdelim'") << rdelim << ETag("span") << '\n';
}
void InsetMathBinom::validate(LaTeXFeatures & features) const
{
- if (kind_ == BINOM)
- features.require("binom");
- if (kind_ == DBINOM || kind_ == TBINOM)
- features.require("amsmath");
+ if (features.runparams().isLaTeX()) {
+ if (kind_ == BINOM)
+ features.require("binom");
+ if (kind_ == DBINOM || kind_ == TBINOM)
+ features.require("amsmath");
+ } else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
+ features.addCSSSnippet(
+ "span.binom{display: inline-block; vertical-align: bottom; text-align:center;}\n"
+ "span.binom span{display: block;}\n"
+ "span.binomdelim{font-size: 2em;}");
InsetMathNest::validate(features);
}
projects / lyx.git / blobdiff