/**
- * \file InsetMathFrac.cpp
+ * \file InsetMathFracBase.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
#include <config.h>
#include "InsetMathFrac.h"
+
+#include "Cursor.h"
+#include "LaTeXFeatures.h"
#include "MathData.h"
#include "MathStream.h"
+#include "MathSupport.h"
+#include "MetricsInfo.h"
#include "TextPainter.h"
-#include "LaTeXFeatures.h"
-#include "Color.h"
+
#include "frontends/Painter.h"
+using namespace std;
namespace lyx {
-InsetMathFrac::InsetMathFrac(Kind kind)
- : kind_(kind)
+/////////////////////////////////////////////////////////////////////
+//
+// InsetMathFracBase
+//
+/////////////////////////////////////////////////////////////////////
+
+
+InsetMathFracBase::InsetMathFracBase(idx_type ncells)
+ : InsetMathNest(ncells)
+{}
+
+
+bool InsetMathFracBase::idxUpDown(Cursor & cur, bool up) const
+{
+ InsetMath::idx_type target = !up; // up ? 0 : 1, since upper cell has idx 0
+ if (cur.idx() == target)
+ return false;
+ cur.idx() = target;
+ cur.pos() = cell(target).x2pos(&cur.bv(), cur.x_target());
+ return true;
+}
+
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// InsetMathFrac
+//
+/////////////////////////////////////////////////////////////////////
+
+
+InsetMathFrac::InsetMathFrac(Kind kind, InsetMath::idx_type ncells)
+ : InsetMathFracBase(ncells), kind_(kind)
{}
}
-bool InsetMathFrac::metrics(MetricsInfo & mi, Dimension & dim) const
+bool InsetMathFrac::idxForward(Cursor & cur) const
{
- FracChanger dummy(mi.base);
- cell(0).metrics(mi);
- cell(1).metrics(mi);
- if (kind_ == NICEFRAC) {
- dim.wid = cell(0).width() + cell(1).width() + 5;
- dim.asc = cell(0).height() + 5;
- dim.des = cell(1).height() - 5;
+ InsetMath::idx_type target = 0;
+ if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
+ if (nargs() == 3)
+ target = 0;
+ else if (nargs() == 2)
+ target = 1;
+ } else
+ return false;
+ if (cur.idx() == target)
+ return false;
+ cur.idx() = target;
+ cur.pos() = cell(target).x2pos(&cur.bv(), cur.x_target());
+ return true;
+}
+
+
+bool InsetMathFrac::idxBackward(Cursor & cur) const
+{
+ InsetMath::idx_type target = 0;
+ if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
+ if (nargs() == 3)
+ target = 2;
+ else if (nargs() == 2)
+ target = 0;
+ } else
+ return false;
+ if (cur.idx() == target)
+ return false;
+ cur.idx() = target;
+ cur.pos() = cell(target).x2pos(&cur.bv(), cur.x_target());
+ return true;
+}
+
+
+void InsetMathFrac::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ Dimension dim0, dim1, dim2;
+
+ if (kind_ == UNIT || (kind_ == UNITFRAC && nargs() == 3)) {
+ if (nargs() == 1) {
+ ShapeChanger dummy2(mi.base.font, 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);
+ 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);
+ cell(0).metrics(mi, dim0);
+ cell(1).metrics(mi, dim1);
+ dim.wid = dim0.width() + dim1.wid + dim2.wid + 10;
+ dim.asc = max(dim2.asc, dim0.height() + 5);
+ dim.des = max(dim2.des, dim1.height() - 5);
+ }
} else {
- dim.wid = std::max(cell(0).width(), cell(1).width()) + 2;
- dim.asc = cell(0).height() + 2 + 5;
- dim.des = cell(1).height() + 2 - 5;
+ FracChanger dummy(mi.base);
+ cell(0).metrics(mi, dim0);
+ cell(1).metrics(mi, dim1);
+ if (nargs() == 3)
+ cell(2).metrics(mi, dim2);
+
+ 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);
+ dim.wid = dim0.width() + dim1.wid + 5;
+ dim.asc = dim0.height() + 5;
+ dim.des = dim1.height() - 5;
+ } else {
+ dim.wid = max(dim0.width(), dim1.wid) + 2;
+ dim.asc = dim0.height() + 2 + 5;
+ dim.des = dim1.height() + 2 - 5;
+ }
}
metricsMarkers(dim);
- if (dim_ == dim)
- return false;
- dim_ = dim;
- return true;
}
void InsetMathFrac::draw(PainterInfo & pi, int x, int y) const
{
setPosCache(pi, x, y);
- int m = x + dim_.wid / 2;
- FracChanger dummy(pi.base);
- if (kind_ == NICEFRAC) {
- cell(0).draw(pi, x + 2,
- y - cell(0).descent() - 5);
- cell(1).draw(pi, x + cell(0).width() + 5,
- y + cell(1).ascent() / 2);
- pi.pain.line(x + cell(0).width(),
- y + dim_.des - 2,
- x + cell(0).width() + 5,
- y - dim_.asc + 2, Color::math);
+ 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);
+ 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);
+ 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);
+ Dimension const dim1 = cell(1).dimension(*pi.base.bv);
+ Dimension const dim2 = cell(2).dimension(*pi.base.bv);
+ int xx = x + dim2.wid + 5;
+ cell(0).draw(pi, xx + 2,
+ y - dim0.des - 5);
+ cell(1).draw(pi, xx + dim0.width() + 5,
+ y + dim1.asc / 2);
+ }
} else {
- cell(0).draw(pi, m - cell(0).width() / 2,
- y - cell(0).descent() - 2 - 5);
- cell(1).draw(pi, m - cell(1).width() / 2,
- y + cell(1).ascent() + 2 - 5);
+ FracChanger dummy(pi.base);
+ Dimension const dim1 = cell(1).dimension(*pi.base.bv);
+ if (kind_ == NICEFRAC) {
+ 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_ == UNITFRAC) {
+ 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 {
+ // Classical fraction
+ cell(0).draw(pi, m - dim0.width() / 2,
+ y - dim0.des - 2 - 5);
+ cell(1).draw(pi, m - dim1.wid / 2,
+ y + dim1.asc + 2 - 5);
+ }
+ }
+ if (kind_ == NICEFRAC || kind_ == UNITFRAC) {
+ // Diag line:
+ int xx = x;
+ if (nargs() == 3)
+ xx += cell(2).dimension(*pi.base.bv).wid + 5;
+
+ pi.pain.line(xx + dim0.wid,
+ y + dim.des - 2,
+ xx + dim0.wid + 5,
+ y - dim.asc + 2, Color_math);
}
if (kind_ == FRAC || kind_ == OVER)
pi.pain.line(x + 1, y - 5,
- x + dim_.wid - 2, y - 5, Color::math);
+ x + dim.wid - 2, y - 5, Color_math);
drawMarkers(pi, x, y);
}
void InsetMathFrac::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
{
- cell(0).metricsT(mi, dim);
- cell(1).metricsT(mi, dim);
- dim.wid = std::max(cell(0).width(), cell(1).width());
- dim.asc = cell(0).height() + 1;
- dim.des = cell(1).height();
- //dim = dim_;
+ Dimension dim0, dim1;
+ cell(0).metricsT(mi, dim0);
+ cell(1).metricsT(mi, dim1);
+ dim.wid = max(dim0.width(), dim1.wid);
+ dim.asc = dim0.height() + 1;
+ dim.des = dim1.height();
}
-void InsetMathFrac::drawT(TextPainter & pain, int x, int y) const
+void InsetMathFrac::drawT(TextPainter & /*pain*/, int /*x*/, int /*y*/) const
{
- int m = x + dim_.width() / 2;
- cell(0).drawT(pain, m - cell(0).width() / 2, y - cell(0).descent() - 1);
- cell(1).drawT(pain, m - cell(1).width() / 2, y + cell(1).ascent());
+ // FIXME: BROKEN!
+ /*
+ Dimension dim;
+ int m = x + dim.width() / 2;
+ cell(0).drawT(pain, m - dim0.width() / 2, y - dim0.des - 1);
+ cell(1).drawT(pain, m - dim1.wid / 2, y + dim1.asc);
// ASCII art: ignore niceties
- if (kind_ == FRAC || kind_ == OVER || kind_ == NICEFRAC)
- pain.horizontalLine(x, y, dim_.width());
+ if (kind_ == FRAC || kind_ == OVER || kind_ == NICEFRAC || kind_ == UNITFRAC)
+ pain.horizontalLine(x, y, dim.width());
+ */
}
break;
case FRAC:
case NICEFRAC:
- InsetMathNest::write(os);
+ case UNITFRAC:
+ if (nargs() == 2)
+ InsetMathNest::write(os);
+ else
+ os << "\\unitfrac[" << cell(2) << "]{" << cell(0) << "}{" << cell(1) << '}';
+ break;
+ case UNIT:
+ if (nargs() == 2)
+ os << "\\unit[" << cell(0) << "]{" << cell(1) << '}';
+ else
+ os << "\\unit{" << cell(0) << '}';
break;
}
}
return from_ascii("over");
case NICEFRAC:
return from_ascii("nicefrac");
+ case UNITFRAC:
+ return from_ascii("unitfrac");
+ case UNIT:
+ return from_ascii("unit");
case ATOP:
return from_ascii("atop");
}
void InsetMathFrac::validate(LaTeXFeatures & features) const
{
- if (kind_ == NICEFRAC)
- features.require("nicefrac");
+ if (kind_ == NICEFRAC || kind_ == UNITFRAC || kind_ == UNIT)
+ features.require("units");
+ InsetMathNest::validate(features);
+}
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// InsetMathDFrac
+//
+/////////////////////////////////////////////////////////////////////
+
+
+Inset * InsetMathDFrac::clone() const
+{
+ return new InsetMathDFrac(*this);
+}
+
+
+void InsetMathDFrac::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ Dimension dim0, dim1;
+ cell(0).metrics(mi, dim0);
+ cell(1).metrics(mi, dim1);
+ dim.wid = max(dim0.wid, dim1.wid) + 2;
+ dim.asc = dim0.height() + 2 + 5;
+ dim.des = dim1.height() + 2 - 5;
+}
+
+
+void InsetMathDFrac::draw(PainterInfo & pi, int x, int y) const
+{
+ Dimension const dim = dimension(*pi.base.bv);
+ Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
+ Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
+ int m = x + dim.wid / 2;
+ 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);
+ pi.pain.line(x + 1, y - 5, x + dim.wid - 2, y - 5, Color_math);
+ setPosCache(pi, x, y);
+}
+
+
+docstring InsetMathDFrac::name() const
+{
+ return from_ascii("dfrac");
+}
+
+
+void InsetMathDFrac::mathmlize(MathStream & os) const
+{
+ os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
+}
+
+
+void InsetMathDFrac::validate(LaTeXFeatures & features) const
+{
+ features.require("amsmath");
+ InsetMathNest::validate(features);
+}
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// InsetMathTFrac
+//
+/////////////////////////////////////////////////////////////////////
+
+
+Inset * InsetMathTFrac::clone() const
+{
+ return new InsetMathTFrac(*this);
+}
+
+
+void InsetMathTFrac::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ StyleChanger dummy(mi.base, LM_ST_SCRIPT);
+ Dimension dim0;
+ cell(0).metrics(mi, dim0);
+ Dimension dim1;
+ cell(1).metrics(mi, dim1);
+ dim.wid = max(dim0.width(), dim1.width()) + 2;
+ dim.asc = dim0.height() + 2 + 5;
+ dim.des = dim1.height() + 2 - 5;
+}
+
+
+void InsetMathTFrac::draw(PainterInfo & pi, int x, int y) const
+{
+ StyleChanger dummy(pi.base, LM_ST_SCRIPT);
+ Dimension const dim = dimension(*pi.base.bv);
+ Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
+ Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
+ int m = x + dim.wid / 2;
+ cell(0).draw(pi, m - dim0.width() / 2, y - dim0.descent() - 2 - 5);
+ cell(1).draw(pi, m - dim1.width() / 2, y + dim1.ascent() + 2 - 5);
+ pi.pain.line(x + 1, y - 5, x + dim.wid - 2, y - 5, Color_math);
+ setPosCache(pi, x, y);
+}
+
+
+docstring InsetMathTFrac::name() const
+{
+ return from_ascii("tfrac");
+}
+
+
+void InsetMathTFrac::mathmlize(MathStream & os) const
+{
+ os << MTag("mtfrac") << cell(0) << cell(1) << ETag("mtfrac");
+}
+
+
+void InsetMathTFrac::validate(LaTeXFeatures & features) const
+{
+ features.require("amsmath");
+ InsetMathNest::validate(features);
+}
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// InsetMathBinom
+//
+/////////////////////////////////////////////////////////////////////
+
+
+InsetMathBinom::InsetMathBinom(Kind kind)
+ : kind_(kind)
+{}
+
+
+Inset * InsetMathBinom::clone() const
+{
+ return new InsetMathBinom(*this);
+}
+
+
+int InsetMathBinom::dw(int height) const
+{
+ int w = height / 5;
+ if (w > 15)
+ w = 15;
+ if (w < 6)
+ w = 6;
+ return w;
+}
+
+
+void InsetMathBinom::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ FracChanger dummy(mi.base);
+ Dimension dim0, dim1;
+ 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.width(), dim1.wid) + 2 * dw(dim.height()) + 4;
+ metricsMarkers2(dim);
+}
+
+
+void InsetMathBinom::draw(PainterInfo & pi, int x, int y) const
+{
+ Dimension const dim = dimension(*pi.base.bv);
+ Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
+ Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
+ docstring const bra = kind_ == BRACE ? from_ascii("{") :
+ kind_ == BRACK ? from_ascii("[") : from_ascii("(");
+ docstring const ket = kind_ == BRACE ? from_ascii("}") :
+ kind_ == BRACK ? from_ascii("]") : from_ascii(")");
+ int m = x + dim.width() / 2;
+ FracChanger dummy(pi.base);
+ cell(0).draw(pi, m - dim0.width() / 2, y - dim0.des - 3 - 5);
+ cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 3 - 5);
+ mathed_draw_deco(pi, x, y - dim.ascent(), dw(dim.height()), dim.height(), bra);
+ mathed_draw_deco(pi, x + dim.width() - dw(dim.height()), y - dim.ascent(),
+ dw(dim.height()), dim.height(), ket);
+ drawMarkers2(pi, x, y);
+}
+
+
+bool InsetMathBinom::extraBraces() const
+{
+ return kind_ == CHOOSE || kind_ == BRACE || kind_ == BRACK;
+}
+
+
+void InsetMathBinom::write(WriteStream & os) const
+{
+ switch (kind_) {
+ case BINOM:
+ os << "\\binom{" << cell(0) << "}{" << cell(1) << '}';
+ break;
+ case CHOOSE:
+ os << '{' << cell(0) << " \\choose " << cell(1) << '}';
+ break;
+ case BRACE:
+ os << '{' << cell(0) << " \\brace " << cell(1) << '}';
+ break;
+ case BRACK:
+ os << '{' << cell(0) << " \\brack " << cell(1) << '}';
+ break;
+ }
+}
+
+
+void InsetMathBinom::normalize(NormalStream & os) const
+{
+ os << "[binom " << cell(0) << ' ' << cell(1) << ']';
+}
+
+
+void InsetMathBinom::validate(LaTeXFeatures & features) const
+{
+ if (kind_ == BINOM) {
+ features.require("binom");
+ InsetMathNest::validate(features);
+ }
+}
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// InsetMathDBinom
+//
+/////////////////////////////////////////////////////////////////////
+
+Inset * InsetMathDBinom::clone() const
+{
+ return new InsetMathDBinom(*this);
+}
+
+
+int InsetMathDBinom::dw(int height) const
+{
+ int w = height / 5;
+ if (w > 15)
+ w = 15;
+ if (w < 6)
+ w = 6;
+ return w;
+}
+
+
+void InsetMathDBinom::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ Dimension dim0, dim1;
+ 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.width(), dim1.wid) + 2 * dw(dim.height()) + 4;
+ metricsMarkers2(dim);
+}
+
+
+void InsetMathDBinom::draw(PainterInfo & pi, int x, int y) const
+{
+ Dimension const dim = dimension(*pi.base.bv);
+ Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
+ Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
+ int m = x + dim.width() / 2;
+ cell(0).draw(pi, m - dim0.width() / 2, y - dim0.des - 3 - 5);
+ cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 3 - 5);
+ mathed_draw_deco(pi, x, y - dim.ascent(), dw(dim.height()), dim.height(), from_ascii("("));
+ mathed_draw_deco(pi, x + dim.width() - dw(dim.height()), y - dim.ascent(),
+ dw(dim.height()), dim.height(), from_ascii(")"));
+ drawMarkers2(pi, x, y);
+}
+
+
+docstring InsetMathDBinom::name() const
+{
+ return from_ascii("dbinom");
+}
+
+void InsetMathDBinom::mathmlize(MathStream & os) const
+{
+ os << MTag("mdbinom") << cell(0) << cell(1) << ETag("mdbinom");
+}
+
+void InsetMathDBinom::validate(LaTeXFeatures & features) const
+{
+ features.require("amsmath");
InsetMathNest::validate(features);
}
+/////////////////////////////////////////////////////////////////////
+//
+// InsetMathTBinom
+//
+/////////////////////////////////////////////////////////////////////
+
+Inset * InsetMathTBinom::clone() const
+{
+ return new InsetMathTBinom(*this);
+}
+
+
+int InsetMathTBinom::dw(int height) const
+{
+ int w = height / 5;
+ if (w > 15)
+ w = 15;
+ if (w < 6)
+ w = 6;
+ return w;
+}
+
+
+void InsetMathTBinom::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ StyleChanger dummy(mi.base, LM_ST_SCRIPT);
+ Dimension dim0, dim1;
+ 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.width(), dim1.wid) + 2 * dw(dim.height()) + 4;
+ metricsMarkers2(dim);
+}
+
+
+void InsetMathTBinom::draw(PainterInfo & pi, int x, int y) const
+{
+ StyleChanger dummy(pi.base, LM_ST_SCRIPT);
+ Dimension const dim = dimension(*pi.base.bv);
+ Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
+ Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
+ int m = x + dim.width() / 2;
+ cell(0).draw(pi, m - dim0.width() / 2, y - dim0.des - 3 - 5);
+ cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 3 - 5);
+ mathed_draw_deco(pi, x, y - dim.ascent(), dw(dim.height()), dim.height(), from_ascii("("));
+ mathed_draw_deco(pi, x + dim.width() - dw(dim.height()), y - dim.ascent(),
+ dw(dim.height()), dim.height(), from_ascii(")"));
+ drawMarkers2(pi, x, y);
+}
+
+
+docstring InsetMathTBinom::name() const
+{
+ return from_ascii("tbinom");
+}
+
+void InsetMathTBinom::mathmlize(MathStream & os) const
+{
+ os << MTag("mtbinom") << cell(0) << cell(1) << ETag("mtbinom");
+}
+
+void InsetMathTBinom::validate(LaTeXFeatures & features) const
+{
+ features.require("amsmath");
+ InsetMathNest::validate(features);
+}
} // namespace lyx
projects / lyx.git / blobdiff