-#ifdef __GNUG__
-#pragma implementation
-#endif
#include "math_scriptinset.h"
-#include "debug.h"
-#include "support.h"
+#include "math_support.h"
+#include "math_symbolinset.h"
#include "math_mathmlstream.h"
+#include "funcrequest.h"
#include "support/LAssert.h"
+#include "debug.h"
+
+
+using std::max;
MathScriptInset::MathScriptInset()
- : MathNestInset(2), limits_(0)
+ : MathNestInset(3), limits_(0)
{
script_[0] = false;
script_[1] = false;
MathScriptInset::MathScriptInset(bool up)
- : MathNestInset(2), limits_(0)
+ : MathNestInset(3), limits_(0)
{
script_[0] = !up;
script_[1] = up;
}
+MathScriptInset::MathScriptInset(MathAtom const & at, bool up)
+ : MathNestInset(3), limits_(0)
+{
+ script_[0] = !up;
+ script_[1] = up;
+ cell(2).push_back(at);
+}
+
+
+
MathInset * MathScriptInset::clone() const
{
return new MathScriptInset(*this);
}
-MathXArray const & MathScriptInset::up() const
+bool MathScriptInset::idxFirst(idx_type & idx, pos_type & pos) const
+{
+ idx = 2;
+ pos = 0;
+ return true;
+}
+
+
+bool MathScriptInset::idxLast(idx_type & idx, pos_type & pos) const
{
- return xcell(1);
+ idx = 2;
+ pos = nuc().size();
+ return true;
}
-MathXArray const & MathScriptInset::down() const
+MathArray const & MathScriptInset::down() const
{
- return xcell(0);
+ return cell(0);
}
-MathXArray & MathScriptInset::up()
+MathArray & MathScriptInset::down()
{
- return xcell(1);
+ return cell(0);
}
-MathXArray & MathScriptInset::down()
+MathArray const & MathScriptInset::up() const
{
- return xcell(0);
+ return cell(1);
+}
+
+
+MathArray & MathScriptInset::up()
+{
+ return cell(1);
}
}
-int MathScriptInset::dy0(MathInset const * nuc) const
+MathArray const & MathScriptInset::nuc() const
+{
+ return cell(2);
+}
+
+
+MathArray & MathScriptInset::nuc()
+{
+ return cell(2);
+}
+
+
+int MathScriptInset::dy0() const
{
- int nd = ndes(nuc);
+ int nd = ndes();
if (!hasDown())
return nd;
int des = down().ascent();
- if (hasLimits(nuc))
+ if (hasLimits())
des += nd + 2;
- else
- des = std::max(des, nd);
+ else
+ des = max(des, nd);
return des;
}
-int MathScriptInset::dy1(MathInset const * nuc) const
+int MathScriptInset::dy1() const
{
- int na = nasc(nuc);
+ int na = nasc();
if (!hasUp())
return na;
int asc = up().descent();
- if (hasLimits(nuc))
+ if (hasLimits())
asc += na + 2;
- else
- asc = std::max(asc, na);
- asc = std::max(asc, mathed_char_ascent(LM_TC_VAR, mi_, 'I'));
+ else
+ asc = max(asc, na);
+ asc = max(asc, 5);
return asc;
}
-int MathScriptInset::dx0(MathInset const * nuc) const
+int MathScriptInset::dx0() const
{
lyx::Assert(hasDown());
- return hasLimits(nuc) ? (width(nuc) - down().width()) / 2 : nwid(nuc);
+ return hasLimits() ? (dim_.w - down().width()) / 2 : nwid();
}
-int MathScriptInset::dx1(MathInset const * nuc) const
+int MathScriptInset::dx1() const
{
lyx::Assert(hasUp());
- return hasLimits(nuc) ? (width(nuc) - up().width()) / 2 : nwid(nuc);
+ return hasLimits() ? (dim_.w - up().width()) / 2 : nwid();
+}
+
+
+int MathScriptInset::dxx() const
+{
+ return hasLimits() ? (dim_.w - nwid()) / 2 : 0;
}
-int MathScriptInset::dxx(MathInset const * nuc) const
+int MathScriptInset::nwid() const
{
- //lyx::Assert(nuc());
- return hasLimits(nuc) ? (width(nuc) - nwid(nuc)) / 2 : 0;
+ return nuc().size() ? nuc().width() : 2;
}
-int MathScriptInset::ascent(MathInset const * nuc) const
+int MathScriptInset::nasc() const
{
- return dy1(nuc) + (hasUp() ? up().ascent() : 0);
+ return nuc().size() ? nuc().ascent() : 5;
}
-int MathScriptInset::descent(MathInset const * nuc) const
+int MathScriptInset::ndes() const
{
- return dy0(nuc) + (hasDown() ? down().descent() : 0);
+ return nuc().size() ? nuc().descent() : 0;
}
-int MathScriptInset::width(MathInset const * nuc) const
+void MathScriptInset::metrics(MetricsInfo & mi) const
{
- int wid = 0;
- if (hasLimits(nuc)) {
- wid = nwid(nuc);
+ cell(2).metrics(mi);
+ ScriptChanger dummy(mi.base);
+ cell(0).metrics(mi);
+ cell(1).metrics(mi);
+ dim_.w = 0;
+ if (hasLimits()) {
+ dim_.w = nwid();
if (hasUp())
- wid = std::max(wid, up().width());
+ dim_.w = max(dim_.w, up().width());
if (hasDown())
- wid = std::max(wid, down().width());
+ dim_.w = max(dim_.w, down().width());
} else {
if (hasUp())
- wid = std::max(wid, up().width());
+ dim_.w = max(dim_.w, up().width());
if (hasDown())
- wid = std::max(wid, down().width());
- wid += nwid(nuc);
+ dim_.w = max(dim_.w, down().width());
+ dim_.w += nwid();
}
- return wid;
+ dim_.a = dy1() + (hasUp() ? up().ascent() : 0);
+ dim_.d = dy0() + (hasDown() ? down().descent() : 0);
+ metricsMarkers2();
}
-int MathScriptInset::nwid(MathInset const * nuc) const
+void MathScriptInset::draw(PainterInfo & pi, int x, int y) const
{
- return nuc ?
- nuc->width() :
- mathed_char_width(LM_TC_TEX, mi_, '.');
+ if (nuc().size())
+ nuc().draw(pi, x + dxx(), y);
+ else {
+ nuc().setXY(x + dxx(), y);
+ if (editing())
+ drawStr(pi, pi.base.font, x + dxx(), y, ".");
+ }
+ ScriptChanger dummy(pi.base);
+ if (hasUp())
+ up().draw(pi, x + dx1(), y - dy1());
+ if (hasDown())
+ down().draw(pi, x + dx0(), y + dy0());
+ drawMarkers2(pi, x, y);
}
-int MathScriptInset::nasc(MathInset const * nuc) const
+void MathScriptInset::metricsT(TextMetricsInfo const & mi) const
{
- return nuc ? nuc->ascent()
- : mathed_char_ascent(LM_TC_VAR, mi_, 'I');
+ if (hasUp())
+ up().metricsT(mi);
+ if (hasDown())
+ down().metricsT(mi);
+ nuc().metricsT(mi);
}
-int MathScriptInset::ndes(MathInset const * nuc) const
+void MathScriptInset::drawT(TextPainter & pain, int x, int y) const
{
- return nuc ? nuc->descent()
- : mathed_char_descent(LM_TC_VAR, mi_, 'I');
-}
-
-
-void MathScriptInset::metrics(MathMetricsInfo const & mi) const
-{
- metrics(0, mi);
-}
-
-
-void MathScriptInset::metrics(MathInset const * nuc,
- MathMetricsInfo const & mi) const
-{
- MathNestInset::metrics(mi);
- if (nuc)
- nuc->metrics(mi);
-
- ascent_ = ascent(nuc);
- descent_ = descent(nuc);
- width_ = width(nuc);
-}
-
-
-void MathScriptInset::draw(Painter & pain, int x, int y) const
-{
- //lyxerr << "unexpected call to MathScriptInset::draw()\n";
- draw(0, pain, x, y);
-}
-
-
-void MathScriptInset::draw(MathInset const * nuc, Painter & pain,
- int x, int y) const
-{
- if (nuc)
- nuc->draw(pain, x + dxx(nuc), y);
- else
- drawStr(pain, LM_TC_TEX, mi_, x + dxx(nuc), y, ".");
-
+ if (nuc().size())
+ nuc().drawT(pain, x + dxx(), y);
if (hasUp())
- up().draw(pain, x + dx1(nuc), y - dy1(nuc));
-
+ up().drawT(pain, x + dx1(), y - dy1());
if (hasDown())
- down().draw(pain, x + dx0(nuc), y + dy0(nuc));
+ down().drawT(pain, x + dx0(), y + dy0());
}
-bool MathScriptInset::hasLimits(MathInset const * nuc) const
+
+bool MathScriptInset::hasLimits() const
{
- return limits_ == 1 || (limits_ == 0 && nuc && nuc->isScriptable());
-}
+ // obvious cases
+ if (limits_ == 1)
+ return true;
+ if (limits_ == -1)
+ return false;
+ // we can only display limits if the nucleus wants some
+ if (!nuc().size())
+ return false;
+ if (!nuc().back()->isScriptable())
+ return false;
-void MathScriptInset::removeEmptyScripts()
-{
- for (int i = 0; i <= 1; ++i)
- if (script_[i] && !cell(i).size())
- script_[i] = false;
+ // per default \int has limits beside the \int even in displayed formulas
+ if (nuc().back()->asSymbolInset())
+ if (nuc().back()->asSymbolInset()->name().find("int") != string::npos)
+ return false;
+
+ // assume "real" limits for everything else
+ return true;
}
}
-bool MathScriptInset::idxRight(MathInset::idx_type &,
- MathInset::pos_type &) const
+bool MathScriptInset::idxRight(idx_type &, pos_type &) const
{
return false;
}
-bool MathScriptInset::idxLeft(MathInset::idx_type &,
- MathInset::pos_type &) const
+bool MathScriptInset::idxLeft(idx_type &, pos_type &) const
{
return false;
}
-void MathScriptInset::write(MathWriteInfo & os) const
-{
- //lyxerr << "unexpected call to MathScriptInset::write()\n";
- write(0, os);
+bool MathScriptInset::idxUpDown(idx_type & idx, pos_type & pos, bool up,
+ int) const
+{
+ if (idx == 1) {
+ // if we are 'up' we can't go further up
+ if (up)
+ return false;
+ // otherwise go to last base position
+ idx = 2;
+ pos = cell(2).size();
+ }
+
+ else if (idx == 0) {
+ // if we are 'down' we can't go further down
+ if (!up)
+ return false;
+ idx = 2;
+ pos = cell(2).size();
+ }
+
+ else {
+ // in nucleus
+ // don't go up/down if there is no cell.
+ if (!has(up))
+ return false;
+ // go up/down only if in the last position
+ // or in the first position of something with displayed limits
+ if (pos == cell(2).size() || (pos == 0 && hasLimits())) {
+ idx = up;
+ pos = 0;
+ return true;
+ }
+ return false;
+ }
+ return true;
}
-void MathScriptInset::write(MathInset const * nuc, MathWriteInfo & os) const
+void MathScriptInset::write(WriteStream & os) const
{
- if (nuc) {
- os << nuc;
- if (nuc->takesLimits()) {
+ if (nuc().size()) {
+ os << nuc();
+ //if (nuc().back()->takesLimits()) {
if (limits_ == -1)
os << "\\nolimits ";
if (limits_ == 1)
os << "\\limits ";
- }
+ //}
+ } else {
+ if (os.firstitem())
+ lyxerr[Debug::MATHED] << "suppressing {} when writing\n";
+ else
+ os << "{}";
}
- else
- os << "{}";
- if (hasDown() && down().data_.size())
- os << "_{" << down().data_ << '}';
+ if (hasDown() && down().size())
+ os << "_{" << down() << '}';
- if (hasUp() && up().data_.size())
- os << "^{" << up().data_ << '}';
-}
+ if (hasUp() && up().size())
+ os << "^{" << up() << '}';
-
-void MathScriptInset::writeNormal(NormalStream & os) const
-{
- //lyxerr << "unexpected call to MathScriptInset::writeNormal()\n";
- writeNormal(0, os);
+ if (lock_ && !os.latex())
+ os << "\\lyxlock ";
}
-void MathScriptInset::writeNormal(MathInset const * nuc, NormalStream & os) const
+void MathScriptInset::normalize(NormalStream & os) const
{
- bool d = hasDown() && down().data_.size();
- bool u = hasUp() && up().data_.size();
+ bool d = hasDown() && down().size();
+ bool u = hasUp() && up().size();
- if (u)
+ if (u && d)
+ os << "[subsup ";
+ else if (u)
os << "[sup ";
- if (d)
+ else if (d)
os << "[sub ";
-
- if (nuc)
- os << nuc << ' ';
+
+ if (nuc().size())
+ os << nuc() << ' ';
else
os << "[par]";
- if (d)
- os << down().data_ << ']';
- if (u)
- os << up().data_ << ']';
+ if (u && d)
+ os << down() << ' ' << up() << ']';
+ else if (d)
+ os << down() << ']';
+ else if (u)
+ os << up() << ']';
}
-void MathScriptInset::maplize(MathInset const * nuc, MapleStream & os) const
+void MathScriptInset::maple(MapleStream & os) const
{
- if (nuc)
- os << nuc;
- if (hasDown() && down().data_.size())
- os << '[' << down().data_ << ']';
- if (hasUp() && up().data_.size())
- os << "^(" << up().data_ << ')';
+ if (nuc().size())
+ os << nuc();
+ if (hasDown() && down().size())
+ os << '[' << down() << ']';
+ if (hasUp() && up().size())
+ os << "^(" << up() << ')';
}
-void MathScriptInset::mathmlize(MathInset const * nuc, MathMLStream & os) const
+void MathScriptInset::mathematica(MathematicaStream & os) const
{
- bool d = hasDown() && down().data_.size();
- bool u = hasUp() && up().data_.size();
+ bool d = hasDown() && down().size();
+ bool u = hasUp() && up().size();
+
+ if (nuc().size()) {
+ if (d)
+ os << "Subscript[" << nuc();
+ else
+ os << nuc();
+ }
+
+ if (u)
+ os << "^(" << up() << ')';
+
+ if (nuc().size())
+ if (d)
+ os << ',' << down() << ']';
+}
+
+
+void MathScriptInset::mathmlize( MathMLStream & os) const
+{
+ bool d = hasDown() && down().size();
+ bool u = hasUp() && up().size();
if (u && d)
os << MTag("msubsup");
else if (d)
os << MTag("msub");
- if (nuc)
- os << nuc;
+ if (nuc().size())
+ os << nuc();
else
os << "<mrow/>";
if (u && d)
- os << down().data_ << up().data_ << ETag("msubsup");
+ os << down() << up() << ETag("msubsup");
else if (u)
- os << up().data_ << ETag("msup");
+ os << up() << ETag("msup");
else if (d)
- os << down().data_ << ETag("msub");
+ os << down() << ETag("msub");
}
-void MathScriptInset::octavize(MathInset const * nuc, OctaveStream & os) const
+void MathScriptInset::octave(OctaveStream & os) const
{
- if (nuc)
- os << nuc;
- if (hasDown() && down().data_.size())
- os << '[' << down().data_ << ']';
- if (hasUp() && up().data_.size())
- os << "^(" << up().data_ << ')';
+ if (nuc().size())
+ os << nuc();
+ if (hasDown() && down().size())
+ os << '[' << down() << ']';
+ if (hasUp() && up().size())
+ os << "^(" << up() << ')';
}
+void MathScriptInset::infoize(std::ostream & os) const
+{
+ os << "Scripts";
+}
+
+
+void MathScriptInset::infoize2(std::ostream & os) const
+{
+ if (limits_)
+ os << (limits_ == 1 ? ", Displayed limits" : ", Inlined limits");
+}
+
+
+void MathScriptInset::notifyCursorLeaves(idx_type idx)
+{
+ MathNestInset::notifyCursorLeaves(idx);
+
+ // remove empty scripts if possible
+ if (idx != 2 && script_[idx] && cell(idx).empty()) {
+ cell(idx).clear();
+ script_[idx] = false;
+ }
+}
+
+
+dispatch_result MathScriptInset::dispatch
+ (FuncRequest const & cmd, idx_type & idx, pos_type & pos)
+{
+ if (cmd.action == LFUN_MATH_LIMITS) {
+ if (!cmd.argument.empty()) {
+ if (cmd.argument == "limits")
+ limits_ = 1;
+ else if (cmd.argument == "nolimits")
+ limits_ = -1;
+ else
+ limits_ = 0;
+ } else if (limits_ == 0)
+ limits_ = (hasLimits()) ? -1 : 1;
+ else
+ limits_ = 0;
+ return DISPATCHED;
+ }
+
+ return MathNestInset::dispatch(cmd, idx, pos);
+}
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