/////////////////////////////////////////////////////////////////////
-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)
{}
dim.des = max(dim2.des, dim1.height() - 5);
}
} else {
+ // general cell metrics used for \frac
FracChanger dummy(mi.base);
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_ == CFRAC || kind_ == CFRACLEFT
- || kind_ == CFRACRIGHT || kind_ == DFRAC) {
- // \cfrac and \dfrac are in always in display size
+ || kind_ == CFRACRIGHT || kind_ == DFRAC) {
+ // \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);
setPosCache(pi, x, y);
Dimension const dim = dimension(*pi.base.bv);
Dimension const dim0 = cell(0).dimension(*pi.base.bv);
- int m = x + dim.wid / 2;
if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
if (nargs() == 1) {
ShapeChanger dummy2(pi.base.font, UP_SHAPE);
ShapeChanger dummy2(pi.base.font, 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) {
+ } 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) {
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::mathmlize(MathStream & os) const
{
- switch (kind_) {
- case FRAC:
- os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");
- break;
- case DFRAC:
- os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
- break;
- case TFRAC:
- os << MTag("mtfrac") << cell(0) << cell(1) << ETag("mtfrac");
- break;
- }
+ os << MTag("mfrac")
+ << MTag("mrow") << cell(0) << ETag("mrow")
+ << MTag("mrow") << cell(1) << ETag("mrow")
+ << ETag("mfrac");
+}
+
+
+void InsetMathFrac::htmlize(HtmlStream & os) const
+{
+ os << MTag("span", "class='frac'")
+ << MTag("span", "class='numer'") << cell(0) << ETag("span")
+ << MTag("span", "class='denom'") << cell(1) << ETag("span")
+ << 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.addPreambleSnippet("<style type=\"text/css\">\n"
+ "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;}\n"
+ "</style>");
InsetMathNest::validate(features);
}
/////////////////////////////////////////////////////////////////////
-InsetMathBinom::InsetMathBinom(Kind kind)
- : kind_(kind)
+InsetMathBinom::InsetMathBinom(Buffer * buf, Kind kind)
+ : InsetMathFracBase(buf), kind_(kind)
{}
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:
case DBINOM:
- 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 << "<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:
- 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 << 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.addPreambleSnippet("<style type=\"text/css\">\n"
+ "span.binom{display: inline-block; vertical-align: bottom; text-align:center;}\n"
+ "span.binom span{display: block;}\n"
+ "span.binomdelim{font-size: 2em;}\n"
+ "</style>");
InsetMathNest::validate(features);
}
projects / lyx.git / blobdiff