#endif
#include <config.h>
+#include <algorithm>
+#include <cctype>
-#include "math_inset.h"
-#include "math_parser.h"
-#include "math_cursor.h"
-#include "math_macro.h"
-#include "math_macroarg.h"
-#include "math_macrotable.h"
-#include "math_root.h"
-#include "support/lstrings.h"
#include "debug.h"
#include "LColor.h"
#include "Painter.h"
-#include "math_matrixinset.h"
-#include "math_grid.h"
-#include "math_spaceinset.h"
-#include "math_funcinset.h"
+#include "mathed/support.h"
+#include "formulabase.h"
+#include "math_cursor.h"
+#include "math_arrayinset.h"
#include "math_bigopinset.h"
-#include "math_fracinset.h"
+#include "math_symbolinset.h"
#include "math_decorationinset.h"
+#include "math_deliminset.h"
#include "math_dotsinset.h"
-#include "math_accentinset.h"
+#include "math_fracinset.h"
+#include "math_funcinset.h"
+#include "math_funcliminset.h"
+#include "math_gridinset.h"
+#include "math_macro.h"
+#include "math_macroarg.h"
+#include "math_macrotable.h"
#include "math_macrotemplate.h"
+#include "math_matrixinset.h"
+#include "math_rootinset.h"
+#include "math_spaceinset.h"
#include "math_sqrtinset.h"
+#include "support/lstrings.h"
#include "math_scriptinset.h"
-#include "mathed/support.h"
-#include "formulabase.h"
-
+#include "math_parser.h"
using std::endl;
using std::min;
using std::max;
+using std::isalnum;
namespace {
-MathArray selarray;
+struct Selection
+{
+ void grab(MathCursor const & cursor)
+ {
+ data_.clear();
+ MathCursorPos i1;
+ MathCursorPos i2;
+ cursor.getSelection(i1, i2);
+ if (i1.idx_ == i2.idx_)
+ data_.push_back(MathArray(i1.cell(), i1.pos_, i2.pos_));
+ else {
+ std::vector<int> indices = i1.par_->idxBetween(i1.idx_, i2.idx_);
+ for (unsigned i = 0; i < indices.size(); ++i)
+ data_.push_back(i1.cell(indices[i]));
+ }
+ }
+
+ void erase(MathCursor & cursor)
+ {
+ MathCursorPos i1;
+ MathCursorPos i2;
+ cursor.getSelection(i1, i2);
+ if (i1.idx_ == i2.idx_) {
+ i1.cell().erase(i1.pos_, i2.pos_);
+ } else {
+ std::vector<int> indices = i1.par_->idxBetween(i1.idx_, i2.idx_);
+ for (unsigned i = 0; i < indices.size(); ++i)
+ i1.cell(indices[i]).erase();
+ }
+ cursor.cursor() = i1;
+ }
+
+ void paste(MathCursor & cursor) const
+ {
+ cursor.insert(glue());
+ }
+
+ // glues selection to one cell
+ MathArray glue() const
+ {
+ MathArray ar;
+ for (unsigned i = 0; i < data_.size(); ++i)
+ ar.push_back(data_[i]);
+ return ar;
+ }
+
+ void clear()
+ {
+ data_.clear();
+ }
+
+ std::vector<MathArray> data_;
+};
+
-bool IsMacro(short tok, int id)
+Selection theSelection;
+
+
+std::ostream & operator<<(std::ostream & os, MathCursorPos const & p)
{
- return tok != LM_TK_STACK &&
- tok != LM_TK_FRAC &&
- tok != LM_TK_SQRT &&
- tok != LM_TK_WIDE &&
- tok != LM_TK_SPACE &&
- tok != LM_TK_DOTS &&
- tok != LM_TK_FUNCLIM &&
- tok != LM_TK_BIGSYM &&
- tok != LM_TK_ACCENT &&
- !(tok == LM_TK_SYM && id < 255);
+ os << "(par: " << p.par_ << " idx: " << p.idx_
+ << " pos: " << p.pos_ << ")";
+ return os;
}
}
+
MathCursor::MathCursor(InsetFormulaBase * formula)
- : formula_(formula)
+ : formula_(formula), lastcode_(LM_TC_MIN), imacro_(0), selection_(false)
{
- accent = 0;
- lastcode = LM_TC_MIN;
- macro_mode = false;
first();
}
+MathCursor::~MathCursor()
+{
+ delete imacro_;
+}
+
void MathCursor::push(MathInset * par, bool first)
{
- path_.push_back(MathIter());
- path_.back().par_ = par_;
- path_.back().idx_ = idx_;
- path_.back().cursor_ = cursor_;
- dump("Pushed:");
- par_ = par;
- first ? par_->idxFirst(idx_, cursor_) : par_->idxLast(idx_, cursor_);
+ MathCursorPos p;
+ p.par_ = par;
+ if (first)
+ par->idxFirst(p.idx_, p.pos_);
+ else
+ par->idxLast(p.idx_, p.pos_);
+ Cursor_.push_back(p);
}
bool MathCursor::pop()
{
- if (path_.empty())
+ if (Cursor_.size() <= 1)
return false;
- par_ = path_.back().par_;
- idx_ = path_.back().idx_;
- cursor_ = path_.back().cursor_;
- dump("Popped:");
- path_.pop_back();
+ Cursor_.pop_back();
return true;
}
MathInset * MathCursor::parInset(int i) const
{
- return path_[i].par_;
+ return Cursor_[i].par_;
}
+
void MathCursor::dump(char const * what) const
{
- lyxerr << "MC: " << what
- << " cursor: " << cursor_
- << " anchor: " << anchor_
- << " idx: " << idx_
- << " par: " << par_
- << " sel: " << selection
- << " data: " << array()
- << "\n";
+ return;
+
+ lyxerr << "MC: " << what << "\n";
+ for (unsigned i = 0; i < Cursor_.size(); ++i)
+ lyxerr << " i: " << i
+ << " pos: " << Cursor_[i].pos_
+ << " idx: " << Cursor_[i].idx_
+ << " par: " << Cursor_[i].par_ << "\n";
+
+ //lyxerr << " sel: " << selection_ << " data: " << array() << "\n";
}
+
void MathCursor::seldump(char const * str) const
{
- lyxerr << "SEL: " << str << ": '" << selarray << "'\n";
- dump(" Pos");
+ //lyxerr << "SEL: " << str << ": '" << theSelection << "'\n";
+ //dump(" Pos");
return;
- lyxerr << "\n\n\\n=================vvvvvvvvvvvvv======================= "
- << str << "\nselarray: " << selarray;
- for (unsigned int i = 0; i < path_.size(); ++i)
- lyxerr << path_[i].par_ << "\n'" << path_[i].par_->cell(0) << "'\n";
- lyxerr << "\ncursor: " << cursor_;
- lyxerr << "\nanchor: " << anchor_;
+ lyxerr << "\n\n\n=================vvvvvvvvvvvvv======================= "
+ << str << "\ntheSelection: " << selection_
+ << " '" << theSelection.glue() << "'\n";
+ for (unsigned int i = 0; i < Cursor_.size(); ++i)
+ lyxerr << Cursor_[i].par_ << "\n'" << Cursor_[i].cell() << "'\n";
+ lyxerr << "\n";
+ for (unsigned int i = 0; i < Anchor_.size(); ++i)
+ lyxerr << Anchor_[i].par_ << "\n'" << Anchor_[i].cell() << "'\n";
+ //lyxerr << "\ncursor.pos_: " << cursor().pos_;
+ //lyxerr << "\nanchor.pos_: " << anchor().pos_;
lyxerr << "\n===================^^^^^^^^^^^^=====================\n\n\n";
}
-bool MathCursor::isInside(MathInset * p) const
+bool MathCursor::isInside(MathInset const * p) const
{
- for (unsigned i = 0; i < path_.size(); ++i)
+ for (unsigned i = 0; i < Cursor_.size(); ++i)
if (parInset(i) == p)
return true;
- return par_ == p;
+ return false;
}
-bool MathCursor::Left(bool sel)
+bool MathCursor::openable(MathInset * p, bool sel, bool useupdown) const
+{
+ if (!p)
+ return false;
+
+ if (!(p->isActive() || (useupdown && p->isScriptInset())))
+ return false;
+
+ if (sel) {
+ // we can't move into anything new during selection
+ if (Cursor_.size() == Anchor_.size())
+ return false;
+ if (p != Anchor_[Cursor_.size()].par_)
+ return false;
+ }
+ return true;
+}
+
+
+void MathCursor::plainLeft()
+{
+ --cursor().pos_;
+}
+
+
+void MathCursor::plainRight()
+{
+ ++cursor().pos_;
+}
+
+
+bool MathCursor::left(bool sel)
{
dump("Left 1");
- if (macro_mode) {
+ if (imacro_) {
// was MacroModeBack()
- if (!imacro->name().empty()) {
- imacro->SetName(imacro->name().substr(0, imacro->name().length()-1));
- imacro->Metrics(imacro->size());
+ if (!imacro_->name().empty()) {
+ imacro_->setName(imacro_->name().substr(0, imacro_->name().length()-1));
+ imacro_->metrics(imacro_->size());
} else
- MacroModeClose();
+ macroModeClose();
return true;
}
+ selHandle(sel);
clearLastCode();
- SelHandle(sel);
- bool result = false;
-
- if (selection) {
- result = array().prev(cursor_);
- if (!result && pop()) {
- anchor_ = cursor_;
- result = array().next(anchor_);
- }
- } else {
- MathInset * p = prevActiveInset();
- if (p) {
- // We have to move deeper into the previous inset
- array().prev(cursor_);
- push(p, false);
- result = true;
- } else {
- // The common case, where we are not
- // entering a deeper inset
- result = array().prev(cursor_);
- if (!result) {
- if (par_->idxLeft(idx_, cursor_)) {
- result = true;
- } else if (pop()) {
- result = true;
- }
- }
- }
+ MathInset * p = prevInset();
+ if (openable(p, sel, false)) {
+ plainLeft();
+ push(p, false);
+ return true;
+ }
+ if (cursor().pos_) {
+ plainLeft();
+ return true;
}
- dump("Left 2");
- return result;
-}
-
-
-bool MathCursor::plainRight()
-{
- return array().next(cursor_);
+ if (cursor().par_->idxLeft(cursor().idx_, cursor().pos_))
+ return true;
+ if (pop())
+ return true;
+ return false;
}
-bool MathCursor::Right(bool sel)
+bool MathCursor::right(bool sel)
{
dump("Right 1");
- if (macro_mode) {
- MacroModeClose();
+ if (imacro_) {
+ macroModeClose();
return true;
}
-
+ selHandle(sel);
clearLastCode();
- SelHandle(sel);
-
- bool result = false;
- if (selection) {
- result = array().next(cursor_);
- if (!result && pop()) {
- anchor_ = cursor_;
- result = array().next(cursor_);
- }
- } else {
- MathInset * p = nextActiveInset();
- if (p) {
- push(p, true);
- result = true;
- } else {
- result = array().next(cursor_);
- if (!result) {
- if (par_->idxRight(idx_, cursor_)) {
- result = true;
- } else if (pop()) {
- result = true;
- array().next(cursor_);
- }
- }
- }
+ MathInset * p = nextInset();
+ if (openable(p, sel, false)) {
+ push(p, true);
+ return true;
}
- dump("Right 2");
- return result;
+ if (cursor().pos_ != array().size()) {
+ plainRight();
+ return true;
+ }
+ if (cursor().par_->idxRight(cursor().idx_, cursor().pos_)) {
+ return true;
+ }
+ if (pop()) {
+ plainRight();
+ return true;
+ }
+ return false;
}
void MathCursor::first()
{
- selection = false;
- par_ = formula_->par();
- idx_ = 0;
- cursor_ = 0;
- anchor_ = 0;
- par_->idxFirst(idx_, cursor_);
+ Cursor_.clear();
+ push(outerPar(), true);
}
void MathCursor::last()
{
- selection = false;
- par_ = formula_->par();
- idx_ = 0;
- cursor_ = 0;
- anchor_ = 0;
- par_->idxLast(idx_, cursor_);
+ Cursor_.clear();
+ push(outerPar(), false);
}
-void MathCursor::SetPos(int x, int y)
+void MathCursor::setPos(int x, int y)
{
- dump("SetPos 1");
- lyxerr << "MathCursor::SetPos x: " << x << " y: " << y << "\n";
+ dump("setPos 1");
+ //lyxerr << "MathCursor::setPos x: " << x << " y: " << y << "\n";
- MacroModeClose();
- lastcode = LM_TC_MIN;
- path_.clear();
+ macroModeClose();
+ lastcode_ = LM_TC_MIN;
+ first();
- par_ = formula()->par();
+ cursor().par_ = outerPar();
while (1) {
- idx_ = -1;
- cursor_ = -1;
+ cursor().idx_ = -1;
+ cursor().pos_ = -1;
+ //lyxerr << "found idx: " << idx_ << " cursor: " << cursor().pos_ << "\n";
int distmin = 1 << 30; // large enough
- for (int i = 0; i < par_->nargs(); ++i) {
- MathXArray const & ar = par_->xcell(i);
+ for (int i = 0; i < cursor().par_->nargs(); ++i) {
+ MathXArray const & ar = cursor().par_->xcell(i);
int x1 = x - ar.xo();
int y1 = y - ar.yo();
int c = ar.x2pos(x1);
//lyxerr << "idx: " << i << " xx: " << xx << " yy: " << yy
// << " c: " << c << " xo: " << ar.xo() << "\n";
if (yy + xx <= distmin) {
- distmin = yy + xx;
- idx_ = i;
- cursor_ = c;
+ distmin = yy + xx;
+ cursor().idx_ = i;
+ cursor().pos_ = c;
}
}
- lyxerr << "found idx: " << idx_ << " cursor: " << cursor_ << "\n";
- if (nextIsActive() && nextInset()->covers(x, y)) {
- MathInset * p = nextActiveInset();
- push(p, true);
- } else if (prevIsActive() && prevInset()->covers(x, y)) {
- MathInset * p = prevActiveInset();
- array().prev(cursor_);
+ //lyxerr << "found idx: " << cursor().idx_ << " cursor: "
+ // << cursor().pos_ << "\n";
+ MathInset * n = nextInset();
+ MathInset * p = prevInset();
+ if (openable(n, selection_, true) && n->covers(x, y))
+ push(n, true);
+ else if (openable(p, selection_, true) && p->covers(x, y)) {
+ plainLeft();
push(p, false);
} else
break;
}
- dump("SetPos 2");
+ dump("setPos 2");
}
-void MathCursor::Home()
+void MathCursor::home()
{
- dump("Home 1");
- if (macro_mode)
- MacroModeClose();
+ dump("home 1");
+ macroModeClose();
clearLastCode();
- if (!par_->idxHome(idx_, cursor_)) {
+ if (!cursor().par_->idxHome(cursor().idx_, cursor().pos_))
pop();
- }
- dump("Home 2");
+ dump("home 2");
}
-void MathCursor::End()
+void MathCursor::end()
{
- dump("End 1");
- if (macro_mode)
- MacroModeClose();
+ dump("end 1");
+ macroModeClose();
clearLastCode();
- if (!par_->idxEnd(idx_, cursor_)) {
+ if (!cursor().par_->idxEnd(cursor().idx_, cursor().pos_)) {
pop();
- array().next(cursor_);
+ ++cursor().pos_;
}
- dump("End 2");
+ dump("end 2");
}
+void MathCursor::plainErase()
+{
+ array().erase(cursor().pos_);
+}
+
void MathCursor::insert(char c, MathTextCodes t)
{
- lyxerr << "inserting '" << c << "'\n";
- if (selection)
- SelDel();
+ //lyxerr << "inserting '" << c << "'\n";
+ if (selection_)
+ selDel();
- if (t == LM_TC_MIN)
- t = lastcode;
+ if (t != LM_TC_MIN)
+ lastcode_ = t;
- if (macro_mode && !(MathIsAlphaFont(t) || t == LM_TC_MIN))
- MacroModeClose();
+ if (imacro_ && !(MathIsAlphaFont(t) || t == LM_TC_MIN))
+ macroModeClose();
- if (macro_mode) {
+ if (imacro_) {
if (MathIsAlphaFont(t) || t == LM_TC_MIN) {
// was MacroModeinsert(c);
- imacro->SetName(imacro->name() + static_cast<char>(c));
+ imacro_->setName(imacro_->name() + c);
return;
}
}
- if (accent)
- doAccent(c, t);
- else {
- array().insert(cursor_, c, t);
- array().next(cursor_);
- }
-
- lastcode = t;
- return;
+ array().insert(cursor().pos_, c, t);
+ plainRight();
}
void MathCursor::insert(MathInset * p)
{
- MacroModeClose();
+ macroModeClose();
- if (selection) {
+ if (selection_) {
if (p->nargs())
- SelCut();
+ selCut();
else
- SelDel();
+ selDel();
}
- if (accent && !p->nargs())
- doAccent(p);
- else {
- array().insert(cursor_, p);
- array().next(cursor_);
- }
+ array().insert(cursor().pos_, p);
+ plainRight();
+}
+
+
+void MathCursor::insert(MathArray const & ar)
+{
+ macroModeClose();
+ if (selection_)
+ selCut();
- //if (p->nargs())
- // push(p, true);
+ array().insert(cursor().pos_, ar);
+ cursor().pos_ += ar.size();
}
-void MathCursor::Delete()
+void MathCursor::erase()
{
- dump("Delete 1");
- if (macro_mode)
+ dump("erase 1");
+ if (imacro_)
return;
- if (selection) {
- SelDel();
+ if (selection_) {
+ selDel();
return;
}
- if (cursor_ < array().size())
- array().erase(cursor_);
-
- // delete empty cells parts if necessary
- if (cursor_ == 0 && array().size() == 0) {
- bool removeit = par_->idxDelete(idx_);
- if (pop() && removeit)
- Delete();
+ // delete empty cells if necessary
+ if (cursor().pos_ == 0 && array().empty()) {
+ bool popit;
+ bool removeit;
+ cursor().par_->idxDelete(cursor().idx_, popit, removeit);
+ if (popit && pop() && removeit)
+ plainErase();
+ return;
}
-#ifdef WITH_WARNINGS
-#warning pullArg disabled
-#endif
- //if (cursor_ == 0 && !path_.empty()) {
- // lyxerr << "Delete: popping...\n";
- // pop();
- //}
+ if (cursor().pos_ < array().size())
+ plainErase();
- dump("Delete 2");
+ dump("erase 2");
}
-void MathCursor::DelLine()
+void MathCursor::delLine()
{
- MacroModeClose();
+ macroModeClose();
- if (selection) {
- SelDel();
+ if (selection_) {
+ selDel();
return;
}
- if (par_->nrows() > 1)
- par_->delRow(row());
+ if (cursor().par_->nrows() > 1)
+ cursor().par_->delRow(row());
}
-bool MathCursor::Up(bool sel)
+bool MathCursor::up(bool sel)
{
- dump("Up 1");
- MacroModeClose();
- SelHandle(sel);
- SelClear();
+ dump("up 1");
+ macroModeClose();
+ selHandle(sel);
+
+ if (selection_) {
+ int x = xarray().pos2x(cursor().pos_);
+ if (cursor().idxDown()) {
+ cursor().pos_ = xarray().x2pos(x);
+ return true;
+ }
+ if (pop())
+ return true;
+ return false;
+ }
// check whether we could move into an inset on the right or on the left
MathInset * p = nextInset();
if (p) {
- int idx, cursor;
- if (p->idxFirstUp(idx, cursor)) {
+ int idx, pos;
+ if (p->idxFirstUp(idx, pos)) {
push(p, true);
- par_ = p;
- idx_ = idx;
- cursor_ = cursor;
- dump("Up 3");
+ cursor().idx_ = idx;
+ cursor().pos_ = pos;
+ dump("up 3");
return true;
}
}
p = prevInset();
if (p) {
- int idx, cursor;
- if (p->idxLastUp(idx, cursor)) {
- array().prev(cursor_);
+ int idx, pos;
+ if (p->idxLastUp(idx, pos)) {
+ plainLeft();
push(p, false);
- par_ = p;
- idx_ = idx;
- cursor_ = cursor;
- dump("Up 4");
+ cursor().idx_ = idx;
+ cursor().pos_ = pos;
+ dump("up 4");
return true;
}
}
-
- int x = xarray().pos2x(cursor_);
- bool result = par_->idxUp(idx_, cursor_);
- if (!result && pop()) {
- result = par_->idxUp(idx_, cursor_);
+ int x = xarray().pos2x(cursor().pos_);
+ if (cursor().idxUp()) {
+ cursor().pos_ = xarray().x2pos(x);
+ return true;
}
- cursor_ = xarray().x2pos(x);
-
- dump("Up 2");
- return result;
+ if (pop())
+ return true;
+ return false;
}
-bool MathCursor::Down(bool sel)
+bool MathCursor::down(bool sel)
{
- dump("Down 1");
- MacroModeClose();
- SelHandle(sel);
- SelClear();
+ dump("down 1");
+ macroModeClose();
+ selHandle(sel);
+
+ if (selection_) {
+ int x = xarray().pos2x(cursor().pos_);
+ if (cursor().idxDown()) {
+ cursor().pos_ = xarray().x2pos(x);
+ return true;
+ }
+ if (pop())
+ return true;
+ return false;
+ }
// check whether we could move into an inset on the right or on the left
MathInset * p = nextInset();
if (p) {
- int idx, cursor;
- if (p->idxFirstDown(idx, cursor)) {
+ int idx, pos;
+ if (p->idxFirstDown(idx, pos)) {
push(p, true);
- idx_ = idx;
- cursor_ = cursor;
+ cursor().idx_ = idx;
+ cursor().pos_ = pos;
dump("Down 3");
return true;
}
p = prevInset();
if (p) {
- int idx, cursor;
- if (p->idxLastDown(idx, cursor)) {
- array().prev(cursor_);
+ int idx, pos;
+ if (p->idxLastDown(idx, pos)) {
+ plainLeft();
push(p, false);
- idx_ = idx;
- cursor_ = cursor;
+ cursor().idx_ = idx;
+ cursor().pos_ = pos;
dump("Down 4");
return true;
}
}
- int x = xarray().pos2x(cursor_);
- bool result = par_->idxDown(idx_, cursor_);
- if (!result && pop()) {
- result = par_->idxDown(idx_, cursor_);
+ int x = xarray().pos2x(cursor().pos_);
+ if (cursor().idxDown()) {
+ cursor().pos_ = xarray().x2pos(x);
+ return true;
}
- cursor_ = xarray().x2pos(x);
-
- dump("Down 2");
- return result;
+ if (pop())
+ return true;
+ return false;
}
bool MathCursor::toggleLimits()
{
- if (!prevIsInset())
+ MathScriptInset * p = prevScriptInset();
+ if (!p)
return false;
- MathInset * p = prevInset();
int old = p->limits();
- p->limits(old == -1 ? 1 : -1);
+ p->limits(old < 0 ? 1 : -1);
return old != p->limits();
}
-void MathCursor::SetSize(MathStyles size)
+void MathCursor::setSize(MathStyles size)
{
- par_->UserSetSize(size);
+ cursor().par_->userSetSize(size);
}
-void MathCursor::Interpret(string const & s)
+void MathCursor::interpret(string const & s)
{
- lyxerr << "Interpret: '" << s << "'\n";
+ //lyxerr << "interpret: '" << s << "'\n";
+ //lyxerr << "in: " << in_word_set(s) << " \n";
- if (s[0] == '^') {
- MathScriptInset * p = nearbyScriptInset();
- if (!p) {
- p = new MathScriptInset;
- insert(p);
- array().prev(cursor_);
- }
- push(p, true);
- if (!p->up())
- p->up(true);
- idx_ = 0;
+ if (s.empty())
return;
- }
- if (s[0] == '_') {
- MathScriptInset * p = nearbyScriptInset();
+ if (s[0] == '^' || s[0] == '_') {
+ bool const up = (s[0] == '^');
+ selCut();
+ MathScriptInset * p = prevScriptInset();
if (!p) {
- p = new MathScriptInset;
+ MathInset * b = prevInset();
+ if (b && b->isScriptable()) {
+ p = new MathScriptInset(up, !up, b->clone());
+ plainLeft();
+ erase();
+ } else {
+ p = new MathScriptInset(up, !up);
+ }
insert(p);
- array().prev(cursor_);
+ plainLeft();
}
push(p, true);
- if (!p->down())
+ if (up)
+ p->up(true);
+ else
p->down(true);
- idx_ = 1;
+ cursor().idx_ = up ? 0 : 1;
+ cursor().pos_ = 0;
+ selPaste();
return;
}
p = new MathRootInset;
else if (MathMacroTable::hasTemplate(s))
p = new MathMacro(MathMacroTable::provideTemplate(s));
+ else if (s.size() > 7 && s.substr(0, 7) == "matrix ") {
+ int m = 1;
+ int n = 1;
+ string v_align;
+ string h_align;
+ istringstream is(s.substr(7).c_str());
+ is >> m >> n >> v_align >> h_align;
+ m = std::max(1, m);
+ n = std::max(1, n);
+ v_align += 'c';
+ MathArrayInset * pp = new MathArrayInset(m, n);
+ pp->valign(v_align[0]);
+ pp->halign(h_align);
+ p = pp;
+ }
else
- p = new MathFuncInset(s, LM_OT_UNDEF);
+ p = new MathFuncInset(s);
} else {
switch (l->token) {
- case LM_TK_BIGSYM:
- p = new MathBigopInset(l->name, l->id);
- break;
-
+ case LM_TK_BIGSYM:
+ p = new MathBigopInset(l);
+ break;
+
+ case LM_TK_FUNCLIM:
+ p = new MathFuncLimInset(l);
+ break;
+
case LM_TK_SYM:
- if (l->id < 255) {
- insert(static_cast<byte>(l->id),
- MathIsBOPS(l->id) ?
- LM_TC_BOPS : LM_TC_SYMB);
-
- } else {
- p = new MathFuncInset(l->name);
- }
+ p = new MathSymbolInset(l);
break;
case LM_TK_STACK:
- p = new MathFracInset(LM_OT_STACKREL);
+ p = new MathFracInset("stackrel");
break;
case LM_TK_FRAC:
- p = new MathFracInset(LM_OT_FRAC);
+ p = new MathFracInset("frac");
break;
case LM_TK_SQRT:
p = new MathSqrtInset;
break;
- case LM_TK_WIDE:
- p = new MathDecorationInset(l->id);
- break;
-
- case LM_TK_FUNCLIM:
- p = new MathFuncInset(l->name, LM_OT_FUNCLIM);
+ case LM_TK_DECORATION:
+ p = new MathDecorationInset(l);
break;
case LM_TK_SPACE:
break;
case LM_TK_DOTS:
- p = new MathDotsInset(l->name, l->id);
- break;
-
- case LM_TK_ACCENT:
- setAccent(l->id);
+ p = new MathDotsInset(l);
break;
case LM_TK_MACRO:
}
if (p) {
+ selCut();
insert(p);
if (p->nargs()) {
- array().prev(cursor_);
- push(p, true);
+ plainLeft();
+ right(); // do not push for e.g. MathSymbolInset
+ selPaste();
}
- p->Metrics(p->size());
+ p->metrics(p->size());
}
}
-void MathCursor::MacroModeOpen()
+void MathCursor::macroModeOpen()
{
- if (!macro_mode) {
- imacro = new MathFuncInset("");
- insert(imacro);
- macro_mode = true;
+ if (!imacro_) {
+ imacro_ = new MathFuncInset("");
+ array().insert(cursor().pos_, imacro_);
+ ++cursor().pos_;
+ //insert(imacro_);
} else
lyxerr << "Math Warning: Already in macro mode" << endl;
}
-void MathCursor::MacroModeClose()
+void MathCursor::macroModeClose()
{
- if (macro_mode) {
- macro_mode = false;
- latexkeys const * l = in_word_set(imacro->name());
- if (!imacro->name().empty()
- && (!l || (l && IsMacro(l->token, l->id)))
- && !MathMacroTable::hasTemplate(imacro->name()))
- {
- if (!l) {
- //imacro->SetName(macrobf);
- // This guarantees that the string will be removed by destructor
- imacro->SetType(LM_OT_UNDEF);
- } else
- imacro->SetName(l->name);
- } else {
- Left();
- if (nextInset()->GetType() == LM_OT_ACCENT)
- setAccent(
- static_cast<MathAccentInset*>(nextInset())->getAccentCode());
- array().erase(cursor_);
- if (l || MathMacroTable::hasTemplate(imacro->name()))
- Interpret(imacro->name());
- imacro->SetName(string());
- }
- imacro = 0;
+ if (imacro_) {
+ string name = imacro_->name();
+ plainLeft();
+ plainErase();
+ imacro_ = 0;
+ interpret(name);
}
}
-void MathCursor::SelCopy()
+void MathCursor::selCopy()
{
- seldump("SelCopy");
- if (selection) {
- int const p1 = min(cursor_, anchor_);
- int const p2 = max(cursor_, anchor_);
- selarray = array();
- selarray.erase(p2, selarray.size());
- selarray.erase(0, p1);
- SelClear();
+ seldump("selCopy");
+ if (selection_) {
+ theSelection.grab(*this);
+ selClear();
}
}
-void MathCursor::selArray(MathArray & ar) const
-{
- int const p1 = min(cursor_, anchor_);
- int const p2 = max(cursor_, anchor_);
- ar = array();
- ar.erase(p2, ar.size());
- ar.erase(0, p1);
-}
-
-void MathCursor::SelCut()
+void MathCursor::selCut()
{
- seldump("SelCut");
- if (selection) {
- int const p1 = min(cursor_, anchor_);
- int const p2 = max(cursor_, anchor_);
- cursor_ = p1; // move cursor to a same position
- selarray = array();
- selarray.erase(p2, selarray.size());
- selarray.erase(0, p1);
- array().erase(p1, p2);
- SelClear();
+ seldump("selCut");
+ if (selection_) {
+ theSelection.grab(*this);
+ theSelection.erase(*this);
+ selClear();
+ } else {
+ theSelection.clear();
}
}
-void MathCursor::SelDel()
+void MathCursor::selDel()
{
- seldump("SelDel");
- if (selection) {
- int const p1 = min(cursor_, anchor_);
- int const p2 = max(cursor_, anchor_);
- array().erase(p1, p2);
- SelClear();
+ seldump("selDel");
+ if (selection_) {
+ theSelection.erase(*this);
+ selClear();
}
}
-void MathCursor::SelPaste()
+void MathCursor::selPaste()
{
- seldump("SelPaste");
- array().insert(cursor_, selarray);
- cursor_ += selarray.size();
- SelClear();
+ seldump("selPaste");
+ theSelection.paste(*this);
+ selClear();
}
-void MathCursor::SelHandle(bool sel)
+
+void MathCursor::selHandle(bool sel)
{
- if (sel && !selection)
- SelStart();
- if (!sel && selection)
- SelClear();
+ if (sel == selection_)
+ return;
+
+ theSelection.clear();
+ Anchor_ = Cursor_;
+ selection_ = sel;
}
-void MathCursor::SelStart()
+void MathCursor::selStart()
{
- seldump("SelStart");
- if (selection)
+ seldump("selStart");
+ if (selection_)
return;
- anchor_ = cursor_;
- selection = true;
+ theSelection.clear();
+ Anchor_ = Cursor_;
+ selection_ = true;
}
-void MathCursor::SelClear()
+void MathCursor::selClear()
{
- selection = false;
+ seldump("selClear");
+ selection_ = false;
}
-
-void MathCursor::SelGetArea(int * xpoint, int * ypoint, int & n)
+void MathCursor::drawSelection(Painter & pain) const
{
- if (!selection) {
- n = 0;
- xpoint[0] = 0;
- ypoint[0] = 0;
+ if (!selection_)
return;
- }
- // Balance anchor and cursor
- int xo;
- int yo;
- par()->GetXY(xo, yo);
- int w = par()->width();
- // cursor
- int x1 = xarray().xo() + xarray().pos2x(cursor_);
- int y1 = xarray().yo();
- //int a1 = xarray().ascent();
- //int d1 = xarray().descent();
-
- // anchor
- int x = xarray().xo() + xarray().pos2x(anchor_);
- int y = xarray().yo();
- int a = xarray().ascent();
- int d = xarray().descent();
-
- // single row selection
- n = 0;
- xpoint[n] = x;
- ypoint[n++] = y + d;
- xpoint[n] = x;
- ypoint[n++] = y - a;
-
- if (y != y1) {
- xpoint[n] = xo + w;
- ypoint[n++] = y - a;
-
- if (x1 < xo + w) {
- xpoint[n] = xo + w;
- ypoint[n++] = y1 - a;
- }
- }
+ MathCursorPos i1;
+ MathCursorPos i2;
+ getSelection(i1, i2);
- xpoint[n] = x1;
- ypoint[n++] = y1 - a;
- xpoint[n] = x1;
- ypoint[n++] = y1 + d;
-
- if (y != y1) {
- xpoint[n] = xo;
- ypoint[n++] = y1 + d;
- if (x > xo) {
- xpoint[n] = xo;
- ypoint[n++] = y + d;
- }
- }
- xpoint[n] = xpoint[0];
- ypoint[n++] = ypoint[0];
-
- //lyxerr << "AN[" << x << " " << y << " " << x1 << " " << y1 << "]\n";
- //lyxerr << "MT[" << a << " " << d << " " << a1 << " " << d1 << "]\n";
- //for (i = 0; i < np; ++i)
- // lyxerr << "XY[" << xpoint[i] << " " << ypoint[i] << "]\n";
-}
-
-
-void MathCursor::setAccent(int ac)
-{
- if (ac > 0 && accent < 8)
- nestaccent[accent++] = ac;
- else
- accent = 0; // consumed!
-}
+ //lyxerr << "selection from: " << i1 << " to " << i2 << "\n";
+ if (i1.idx_ == i2.idx_) {
+ MathXArray & c = i1.xcell();
+ int x1 = c.xo() + c.pos2x(i1.pos_);
+ int y1 = c.yo() - c.ascent();
+ int x2 = c.xo() + c.pos2x(i2.pos_);
+ int y2 = c.yo() + c.descent();
+ pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+ } else {
-int MathCursor::getAccent() const
-{
- return accent > 0 ? nestaccent[accent - 1] : 0;
+ std::vector<int> indices = i1.par_->idxBetween(i1.idx_, i2.idx_);
+ for (unsigned i = 0; i < indices.size(); ++i) {
+ MathXArray & c = i1.xcell(indices[i]);
+ int x1 = c.xo();
+ int y1 = c.yo() - c.ascent();
+ int x2 = c.xo() + c.width();
+ int y2 = c.yo() + c.descent();
+ pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+ }
+ }
}
-void MathCursor::doAccent(char c, MathTextCodes t)
+void MathCursor::handleFont(MathTextCodes t)
{
- MathInset * ac = 0;
-
- for (int i = accent - 1; i >= 0; --i) {
- if (i == accent - 1)
- ac = new MathAccentInset(c, t, nestaccent[i]);
- else
- ac = new MathAccentInset(ac, nestaccent[i]);
- }
-
- if (ac)
- insert(ac);
-
- accent = 0; // consumed!
+ if (selection_) {
+ MathCursorPos i1;
+ MathCursorPos i2;
+ getSelection(i1, i2);
+ if (i1.idx_ == i2.idx_) {
+ MathArray & ar = i1.cell();
+ for (int pos = i1.pos_; pos != i2.pos_; ++pos)
+ if (isalnum(ar.getChar(pos))) {
+ MathTextCodes c = ar.getCode(pos) == t ? LM_TC_VAR : t;
+ ar.setCode(pos, c);
+ }
+ }
+ } else
+ lastcode_ = (lastcode_ == t) ? LM_TC_VAR : t;
}
-void MathCursor::doAccent(MathInset * p)
+void MathCursor::handleAccent(string const & name)
{
- MathInset * ac = 0;
+ latexkeys const * l = in_word_set(name);
+ if (!l)
+ return;
- for (int i = accent - 1; i >= 0; --i) {
- if (i == accent - 1)
- ac = new MathAccentInset(p, nestaccent[i]);
- else
- ac = new MathAccentInset(ac, nestaccent[i]);
+ MathDecorationInset * p = new MathDecorationInset(l);
+ if (selection_) {
+ selCut();
+ p->cell(0) = theSelection.glue();
}
-
- if (ac)
- insert(ac);
-
- accent = 0; // consumed!
+ insert(p);
+ push(p, true);
}
-void MathCursor::handleFont(MathTextCodes t)
+void MathCursor::handleDelim(int l, int r)
{
- if (selection) {
- int const p1 = std::min(cursor_, anchor_);
- int const p2 = std::max(cursor_, anchor_);
- for (int pos = p1; pos != p2; array().next(pos))
- if (!array().isInset(pos)) {
- MathTextCodes c = array().GetCode(pos) == t ? LM_TC_VAR : t;
- array().setCode(pos, c);
- }
- } else {
- if (lastcode == t)
- lastcode = LM_TC_VAR;
- else
- lastcode = t;
+ MathDelimInset * p = new MathDelimInset(l, r);
+ if (selection_) {
+ selCut();
+ p->cell(0) = theSelection.glue();
}
+ insert(p);
+ plainLeft();
+ push(p, true);
}
-void MathCursor::GetPos(int & x, int & y)
+void MathCursor::getPos(int & x, int & y)
{
- x = xarray().xo() + xarray().pos2x(cursor_);
+ x = xarray().xo() + xarray().pos2x(cursor().pos_);
y = xarray().yo();
}
MathTextCodes MathCursor::nextCode() const
{
- return array().GetCode(cursor_);
+ return array().getCode(cursor().pos_);
}
MathTextCodes MathCursor::prevCode() const
{
- return array().GetCode(cursor_ - 1);
+ return array().getCode(cursor().pos_ - 1);
}
MathInset * MathCursor::par() const
{
- return par_;
+ return cursor().par_;
}
int MathCursor::pos() const
{
- return cursor_;
+ return cursor().pos_;
}
-bool MathCursor::InMacroMode() const
+bool MathCursor::inMacroMode() const
{
- return macro_mode;
+ return imacro_;
}
-bool MathCursor::Selection() const
+bool MathCursor::selection() const
{
- return selection;
+ return selection_;
}
void MathCursor::clearLastCode()
{
- lastcode = LM_TC_MIN;
+ lastcode_ = LM_TC_MIN;
}
void MathCursor::setLastCode(MathTextCodes t)
{
- lastcode = t;
+ lastcode_ = t;
}
MathTextCodes MathCursor::getLastCode() const
{
- return lastcode;
+ return lastcode_;
}
-MathInset * MathCursor::enclosing(MathInsetTypes t, int & idx) const
+MathArrayInset * MathCursor::enclosingArray(int & idx) const
{
- if (par_->GetType() == t) {
- lyxerr << "enclosing par is current\n";
- idx = idx_;
- return par_;
- }
- for (int i = path_.size() - 1; i >= 0; --i) {
- lyxerr << "checking level " << i << "\n";
- if (path_[i].par_->GetType() == t) {
- idx = path_[i].idx_;
- return path_[i].par_;
+ for (int i = Cursor_.size() - 1; i >= 0; --i) {
+ if (Cursor_[i].par_->isArray()) {
+ idx = Cursor_[i].idx_;
+ return static_cast<MathArrayInset *>(Cursor_[i].par_);
}
}
return 0;
}
-void MathCursor::pullArg()
+
+void MathCursor::pullArg(bool goright)
{
// pullArg
+ dump("pullarg");
MathArray a = array();
- if (!Left())
- return;
- normalize();
- array().erase(cursor_);
- array().insert(cursor_, a);
+ if (pop()) {
+ plainErase();
+ array().insert(cursor().pos_, a);
+ if (goright)
+ cursor().pos_ += a.size();
+ }
}
#endif
MathCursor * it = const_cast<MathCursor *>(this);
- if (idx_ < 0 || idx_ > par_->nargs())
+ if (cursor().idx_ < 0 || cursor().idx_ > cursor().par_->nargs() - 1)
lyxerr << "this should not really happen - 1\n";
- it->idx_ = max(idx_, 0);
- it->idx_ = min(idx_, par_->nargs());
+ it->cursor().idx_ = max(cursor().idx_, 0);
+ it->cursor().idx_ = min(cursor().idx_, cursor().par_->nargs() - 1);
- if (cursor_ < 0 || cursor_ > array().size())
+ if (cursor().pos_ < 0 || cursor().pos_ > array().size())
lyxerr << "this should not really happen - 2\n";
- it->cursor_ = max(cursor_, 0);
- it->cursor_ = min(cursor_, array().size());
+ it->cursor().pos_ = max(cursor().pos_, 0);
+ it->cursor().pos_ = min(cursor().pos_, array().size());
}
int MathCursor::col() const
{
- return par_->col(idx_);
+ return par()->col(cursor().idx_);
}
int MathCursor::row() const
{
- return par_->row(idx_);
+ return par()->row(cursor().idx_);
}
/*
-char MathIter::GetChar() const
+char MathCursorPos::getChar() const
{
- return array().GetChar(cursor_);
+ return array().getChar(cursor().pos_);
}
-string MathIter::readString()
+string MathCursorPos::readString()
{
string s;
int code = nextCode();
for ( ; OK() && nextCode() == code; Next())
- s += GetChar();
+ s += getChar();
return s;
}
*/
+
MathInset * MathCursor::prevInset() const
{
normalize();
- int c = cursor_;
- if (!array().prev(c))
- return 0;
- return array().GetInset(c);
-}
-
-MathInset * MathCursor::prevActiveInset() const
-{
- if (cursor_ <= 0 || !array().isInset(cursor_ - 1))
+ int pos = cursor().pos_;
+ if (!pos)
return 0;
- MathInset * inset = prevInset();
- return inset->isActive() ? inset : 0;
+ return array().nextInset(pos - 1);
}
MathInset * MathCursor::nextInset() const
{
normalize();
- return array().GetInset(cursor_);
+ return array().nextInset(cursor().pos_);
}
-MathInset * MathCursor::nextActiveInset() const
+MathScriptInset * MathCursor::prevScriptInset() const
{
- if (!array().isInset(cursor_))
- return 0;
- MathInset * inset = nextInset();
- return inset->isActive() ? inset : 0;
+ normalize();
+ MathInset * p = prevInset();
+ return (p && p->isScriptInset()) ? static_cast<MathScriptInset *>(p) : 0;
}
-MathScriptInset * MathCursor::nearbyScriptInset() const
+MathSpaceInset * MathCursor::prevSpaceInset() const
{
normalize();
- MathScriptInset * p = array().prevScriptInset(cursor_);
- if (p)
- return p;
- return array().nextScriptInset(cursor_);
+ MathInset * p = prevInset();
+ return (p && p->isSpaceInset()) ? static_cast<MathSpaceInset *>(p) : 0;
}
-
MathArray & MathCursor::array() const
{
static MathArray dummy;
- if (!par_) {
+ if (!cursor().par_) {
lyxerr << "############ par_ not valid\n";
return dummy;
}
- if (idx_ < 0 || idx_ >= par_->nargs()) {
- lyxerr << "############ idx_ " << idx_ << " not valid\n";
+ if (cursor().idx_ < 0 || cursor().idx_ >= cursor().par_->nargs()) {
+ lyxerr << "############ idx_ " << cursor().idx_ << " not valid\n";
return dummy;
}
- return par_->cell(idx_);
+ return cursor().cell();
}
MathXArray & MathCursor::xarray() const
{
- return par_->xcell(idx_);
+ return cursor().xcell();
}
+int MathCursor::xpos() const
+{
+ normalize();
+ return xarray().pos2x(cursor().pos_);
+}
+
-bool MathCursor::nextIsInset() const
+void MathCursor::gotoX(int x)
{
- return cursor_ < array().size() && MathIsInset(nextCode());
+ cursor().pos_ = xarray().x2pos(x);
}
-bool MathCursor::nextIsActive() const
+void MathCursor::idxNext()
{
- return nextIsInset() && nextInset()->isActive();
+ cursor().par_->idxNext(cursor().idx_, cursor().pos_);
}
-bool MathCursor::prevIsInset() const
+void MathCursor::idxPrev()
{
- return cursor_ > 0 && MathIsInset(prevCode());
+ cursor().par_->idxPrev(cursor().idx_, cursor().pos_);
}
-bool MathCursor::prevIsActive() const
+void MathCursor::splitCell()
{
- return prevIsInset() && prevInset()->isActive();
+ if (cursor().idx_ == cursor().par_->nargs() - 1)
+ return;
+ MathArray ar = array();
+ ar.erase(0, cursor().pos_);
+ array().erase(cursor().pos_, array().size());
+ ++cursor().idx_;
+ cursor().pos_ = 0;
+ array().insert(0, ar);
}
-bool MathCursor::IsFont() const
+void MathCursor::breakLine()
{
- return MathIsFont(nextCode());
+ MathMatrixInset * p = outerPar();
+ if (p->getType() == LM_OT_SIMPLE || p->getType() == LM_OT_EQUATION) {
+ p->mutate(LM_OT_EQNARRAY);
+ p->addRow(0);
+ cursor().idx_ = p->nrows();
+ cursor().pos_ = 0;
+ } else {
+ p->addRow(row());
+
+ // split line
+ const int r = row();
+ for (int c = col() + 1; c < p->ncols(); ++c) {
+ const int i1 = p->index(r, c);
+ const int i2 = p->index(r + 1, c);
+ lyxerr << "swapping cells " << i1 << " and " << i2 << "\n";
+ p->cell(i1).swap(p->cell(i2));
+ }
+
+ // split cell
+ splitCell();
+ p->cell(cursor().idx_).swap(p->cell(cursor().idx_ + p->ncols() - 1));
+ }
}
-bool MathCursor::IsScript() const
+char MathCursor::valign() const
{
- normalize();
- return MathIsScript(nextCode());
+ int idx;
+ MathArrayInset * p = enclosingArray(idx);
+ return p ? p->valign() : 0;
}
-int MathCursor::xpos() const
+char MathCursor::halign() const
{
- normalize();
- return xarray().pos2x(cursor_);
+ int idx;
+ MathArrayInset * p = enclosingArray(idx);
+ return p ? p->halign(idx % p->ncols()) : 0;
}
-void MathCursor::gotoX(int x)
+
+MathCursorPos MathCursor::firstSelectionPos() const
{
- cursor_ = xarray().x2pos(x);
+ MathCursorPos anc = normalAnchor();
+ return anc < cursor() ? anc : cursor();
}
-void MathCursor::idxRight()
+
+MathCursorPos MathCursor::lastSelectionPos() const
{
- par_->idxRight(idx_, cursor_);
+ MathCursorPos anc = normalAnchor();
+ return anc < cursor() ? cursor() : anc;
}
-char MathCursor::valign() const
+
+void MathCursor::getSelection(MathCursorPos & i1, MathCursorPos & i2) const
{
- int idx;
- MathGridInset * p =
- static_cast<MathGridInset *>(enclosing(LM_OT_MATRIX, idx));
- return p ? p->valign() : 0;
+ MathCursorPos anc = normalAnchor();
+ if (anc < cursor()) {
+ i1 = anc;
+ i2 = cursor();
+ } else {
+ i1 = cursor();
+ i2 = anc;
+ }
}
-char MathCursor::halign() const
+
+MathCursorPos & MathCursor::cursor()
{
- int idx;
- MathGridInset * p =
- static_cast<MathGridInset *>(enclosing(LM_OT_MATRIX, idx));
- return p ? p->halign(idx % p->ncols()) : 0;
+ return Cursor_.back();
+}
+
+
+MathCursorPos const & MathCursor::cursor() const
+{
+ return Cursor_.back();
+}
+
+
+
+////////////////////////////////////////////////////////////////////////
+
+
+bool operator==(MathCursorPos const & ti, MathCursorPos const & it)
+{
+ return ti.par_ == it.par_ && ti.idx_ == it.idx_ && ti.pos_ == it.pos_;
+}
+
+
+bool operator<(MathCursorPos const & ti, MathCursorPos const & it)
+{
+ if (ti.par_ != it.par_) {
+ lyxerr << "can't compare cursor and anchor in different insets\n";
+ return true;
+ }
+ if (ti.idx_ != it.idx_)
+ return ti.idx_ < it.idx_;
+ return ti.pos_ < it.pos_;
+}
+
+
+MathArray & MathCursorPos::cell(int idx) const
+{
+ return par_->cell(idx);
+}
+
+MathArray & MathCursorPos::cell() const
+{
+ return par_->cell(idx_);
+}
+
+
+MathXArray & MathCursorPos::xcell(int idx) const
+{
+ return par_->xcell(idx);
+}
+
+
+MathXArray & MathCursorPos::xcell() const
+{
+ return par_->xcell(idx_);
+}
+
+
+MathCursorPos MathCursor::normalAnchor() const
+{
+ // use Anchor on the same level as Cursor
+ MathCursorPos normal = Anchor_[Cursor_.size() - 1];
+ if (Cursor_.size() < Anchor_.size() && !(normal < cursor())) {
+ // anchor is behind cursor -> move anchor behind the inset
+ ++normal.pos_;
+ }
+ //lyxerr << "normalizing: from " << Anchor_[Anchor_.size() - 1] << " to "
+ // << normal << "\n";
+ return normal;
+}
+
+
+bool MathCursorPos::idxUp()
+{
+ return par_->idxUp(idx_, pos_);
+}
+
+
+bool MathCursorPos::idxDown()
+{
+ return par_->idxDown(idx_, pos_);
+}
+
+
+bool MathCursorPos::idxLeft()
+{
+ return par_->idxLeft(idx_, pos_);
+}
+
+
+bool MathCursorPos::idxRight()
+{
+ return par_->idxRight(idx_, pos_);
+}
+
+
+MathMatrixInset * MathCursor::outerPar() const
+{
+ return
+ static_cast<MathMatrixInset *>(const_cast<MathInset *>(formula_->par()));
}