-#ifdef __GNUG__
-#pragma implementation
-#endif
+/**
+ * \file math_scriptinset.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#include <config.h>
#include "math_scriptinset.h"
+#include "math_data.h"
+#include "math_mathmlstream.h"
#include "math_support.h"
#include "math_symbolinset.h"
-#include "math_mathmlstream.h"
-#include "support/LAssert.h"
+#include "dispatchresult.h"
+#include "cursor.h"
#include "debug.h"
+#include "funcrequest.h"
+#include <boost/assert.hpp>
+using std::string;
using std::max;
+using std::auto_ptr;
+using std::endl;
+
MathScriptInset::MathScriptInset()
-MathInset * MathScriptInset::clone() const
+auto_ptr<InsetBase> MathScriptInset::clone() const
{
- return new MathScriptInset(*this);
+ return auto_ptr<InsetBase>(new MathScriptInset(*this));
}
}
-bool MathScriptInset::idxFirst(idx_type & idx, pos_type & pos) const
+bool MathScriptInset::idxFirst(LCursor & cur) const
{
- idx = 2;
- pos = nuc().size();
+ cur.idx() = 2;
+ cur.pos() = 0;
return true;
}
-bool MathScriptInset::idxLast(idx_type & idx, pos_type & pos) const
+bool MathScriptInset::idxLast(LCursor & cur) const
{
- idx = 2;
- pos = nuc().size();
+ cur.idx() = 2;
+ cur.pos() = nuc().size();
return true;
}
-MathXArray const & MathScriptInset::down() const
+MathArray const & MathScriptInset::down() const
{
- return xcell(0);
+ return cell(0);
}
-MathXArray & MathScriptInset::down()
+MathArray & MathScriptInset::down()
{
- return xcell(0);
+ return cell(0);
}
-MathXArray const & MathScriptInset::up() const
+MathArray const & MathScriptInset::up() const
{
- return xcell(1);
+ return cell(1);
}
-MathXArray & MathScriptInset::up()
+MathArray & MathScriptInset::up()
{
- return xcell(1);
+ return cell(1);
}
}
-MathXArray const & MathScriptInset::nuc() const
+MathArray const & MathScriptInset::nuc() const
{
- return xcell(2);
+ return cell(2);
}
-MathXArray & MathScriptInset::nuc()
+MathArray & MathScriptInset::nuc()
{
- return xcell(2);
+ return cell(2);
}
asc += na + 2;
else
asc = max(asc, na);
- asc = max(asc, mathed_char_ascent(font_, 'I'));
+ asc = max(asc, 5);
return asc;
}
int MathScriptInset::dx0() const
{
- lyx::Assert(hasDown());
- return hasLimits() ? (dim_.w - down().width()) / 2 : nwid();
+ BOOST_ASSERT(hasDown());
+ return hasLimits() ? (dim_.wid - down().width()) / 2 : nwid();
}
int MathScriptInset::dx1() const
{
- lyx::Assert(hasUp());
- return hasLimits() ? (dim_.w - up().width()) / 2 : nwid();
+ BOOST_ASSERT(hasUp());
+ return hasLimits() ? (dim_.wid - up().width()) / 2 : nwid();
}
int MathScriptInset::dxx() const
{
- return hasLimits() ? (dim_.w - nwid()) / 2 : 0;
+ return hasLimits() ? (dim_.wid - nwid()) / 2 : 0;
}
int MathScriptInset::nwid() const
{
- return nuc().size() ? nuc().width() : mathed_char_width(font_, '.');
+ return nuc().size() ? nuc().width() : 2;
}
int MathScriptInset::nasc() const
{
- return nuc().size() ? nuc().ascent() : mathed_char_ascent(font_, 'I');
+ return nuc().size() ? nuc().ascent() : 5;
}
int MathScriptInset::ndes() const
{
- return nuc().size() ? nuc().descent() : mathed_char_descent(font_, 'I');
+ return nuc().size() ? nuc().descent() : 0;
}
-void MathScriptInset::metrics(MathMetricsInfo & mi) const
+void MathScriptInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- MathNestInset::metrics(mi);
- MathScriptChanger dummy(mi.base);
- dim_.w = 0;
+ cell(2).metrics(mi);
+ ScriptChanger dummy(mi.base);
+ cell(0).metrics(mi);
+ cell(1).metrics(mi);
+ dim.wid = 0;
if (hasLimits()) {
- dim_.w = nwid();
+ dim.wid = nwid();
if (hasUp())
- dim_.w = max(dim_.w, up().width());
+ dim.wid = max(dim.wid, up().width());
if (hasDown())
- dim_.w = max(dim_.w, down().width());
+ dim.wid = max(dim.wid, down().width());
} else {
if (hasUp())
- dim_.w = max(dim_.w, up().width());
+ dim.wid = max(dim.wid, up().width());
if (hasDown())
- dim_.w = max(dim_.w, down().width());
- dim_.w += nwid();
+ dim.wid = max(dim.wid, down().width());
+ dim.wid += nwid();
}
- dim_.a = dy1() + (hasUp() ? up().ascent() : 0);
- dim_.d = dy0() + (hasDown() ? down().descent() : 0);
- metricsMarkers();
+ dim.asc = dy1() + (hasUp() ? up().ascent() : 0);
+ dim.des = dy0() + (hasDown() ? down().descent() : 0);
+ metricsMarkers(dim);
+ dim_ = dim;
}
-void MathScriptInset::draw(MathPainterInfo & pi, int x, int y) const
+void MathScriptInset::draw(PainterInfo & pi, int x, int y) const
{
if (nuc().size())
nuc().draw(pi, x + dxx(), y);
- else if (editing())
- drawStr(pi, font_, x + dxx(), y, ".");
- MathScriptChanger dummy(pi.base);
+ else {
+ nuc().setXY(x + dxx(), y);
+ if (editing(pi.base.bv))
+ drawStr(pi, pi.base.font, x + dxx(), y, ".");
+ }
+ ScriptChanger dummy(pi.base);
if (hasUp())
up().draw(pi, x + dx1(), y - dy1());
if (hasDown())
}
-void MathScriptInset::metricsT(TextMetricsInfo const & mi) const
+void MathScriptInset::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
{
if (hasUp())
- up().metricsT(mi);
+ up().metricsT(mi, dim);
if (hasDown())
- down().metricsT(mi);
- nuc().metricsT(mi);
+ down().metricsT(mi, dim);
+ nuc().metricsT(mi, dim);
}
}
-void MathScriptInset::removeEmptyScripts()
-{
- for (int i = 0; i <= 1; ++i)
- if (script_[i] && cell(i).size() == 0) {
- cell(i).clear();
- script_[i] = false;
- }
-}
-
-
void MathScriptInset::removeScript(bool up)
{
cell(up).clear();
}
-bool MathScriptInset::empty() const
-{
- return !script_[0] && !script_[1] && cell(2).empty();
-}
-
-
bool MathScriptInset::hasUp() const
{
return script_[1];
}
-bool MathScriptInset::idxRight(idx_type &, pos_type &) const
+bool MathScriptInset::idxRight(LCursor &) const
{
return false;
}
-bool MathScriptInset::idxLeft(idx_type &, pos_type &) const
+bool MathScriptInset::idxLeft(LCursor &) const
{
return false;
}
-bool MathScriptInset::idxUpDown(idx_type & idx, pos_type & pos, bool up,
- int) const
+bool MathScriptInset::idxUpDown(LCursor & cur, bool up) const
{
- if ((idx == 1 && up) || (idx == 0 && !up))
- return false;
+ if (cur.idx() == 1) {
+ // if we are 'up' we can't go further up
+ if (up)
+ return false;
+ // otherwise go to last base position
+ cur.idx() = 2;
+ cur.pos() = cur.lastpos();
+ }
- // in nuclues?
- if (idx == 2) {
- idx = up;
- pos = 0;
- } else {
- idx = 2;
- pos = cell(2).size();
+ else if (cur.idx() == 0) {
+ // if we are 'down' we can't go further down
+ if (!up)
+ return false;
+ cur.idx() = 2;
+ cur.pos() = cur.lastpos();
+ }
+
+ 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 (cur.pos() == cur.lastpos() || (cur.pos() == 0 && hasLimits())) {
+ cur.idx() = up;
+ cur.pos() = 0;
+ return true;
+ }
+ return false;
}
return true;
}
void MathScriptInset::write(WriteStream & os) const
{
if (nuc().size()) {
- os << nuc().data();
- if (nuc().back()->takesLimits()) {
+ 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";
+ lyxerr[Debug::MATHED] << "suppressing {} when writing"
+ << endl;
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() << '}';
+
+ if (lock_ && !os.latex())
+ os << "\\lyxlock ";
}
os << "[sub ";
if (nuc().size())
- os << nuc().data() << ' ';
+ os << nuc() << ' ';
else
os << "[par]";
if (u && d)
- os << down().data() << ' ' << up().data() << ']';
+ os << down() << ' ' << up() << ']';
else if (d)
- os << down().data() << ']';
+ os << down() << ']';
else if (u)
- os << up().data() << ']';
+ os << up() << ']';
}
-void MathScriptInset::maplize(MapleStream & os) const
+void MathScriptInset::maple(MapleStream & os) const
{
if (nuc().size())
- os << nuc().data();
+ os << nuc();
if (hasDown() && down().size())
- os << '[' << down().data() << ']';
+ os << '[' << down() << ']';
if (hasUp() && up().size())
- os << "^(" << up().data() << ')';
+ os << "^(" << up() << ')';
}
-void MathScriptInset::mathematicize(MathematicaStream & os) const
+void MathScriptInset::mathematica(MathematicaStream & os) const
{
bool d = hasDown() && down().size();
bool u = hasUp() && up().size();
if (nuc().size()) {
- if (d)
- os << "Subscript[" << nuc().data();
+ if (d)
+ os << "Subscript[" << nuc();
else
- os << nuc().data();
+ os << nuc();
}
if (u)
- os << "^(" << up().data() << ")";
+ os << "^(" << up() << ')';
- if (nuc().size())
+ if (nuc().size()) {
if (d)
- os << "," << down().data() << "]";
+ os << ',' << down() << ']';
+ }
}
-void MathScriptInset::mathmlize( MathMLStream & os) const
+void MathScriptInset::mathmlize(MathMLStream & 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 && d)
os << MTag("msubsup");
os << MTag("msub");
if (nuc().size())
- os << nuc().data();
+ 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(OctaveStream & os) const
+void MathScriptInset::octave(OctaveStream & os) const
{
if (nuc().size())
- os << nuc().data();
+ os << nuc();
if (hasDown() && down().size())
- os << '[' << down().data() << ']';
+ os << '[' << down() << ']';
if (hasUp() && up().size())
- os << "^(" << up().data() << ')';
+ 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");
+ 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;
+ }
+}
+
+
+DispatchResult
+MathScriptInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
+{
+ lyxerr << "MathScriptInset: request: " << cmd << std::endl;
+
+ 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 DispatchResult(true, true);
+ }
+
+ return MathNestInset::priv_dispatch(cur, cmd);
}
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