#include <config.h>
#include <lyxrc.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
#include "support/lstrings.h"
#include "support/LAssert.h"
#include "debug.h"
-#include "LColor.h"
#include "frontends/Painter.h"
#include "math_cursor.h"
#include "formulabase.h"
+#include "funcrequest.h"
#include "math_autocorrect.h"
-#include "math_arrayinset.h"
#include "math_braceinset.h"
-#include "math_boxinset.h"
-#include "math_casesinset.h"
+#include "math_commentinset.h"
#include "math_charinset.h"
-#include "math_deliminset.h"
+#include "math_extern.h"
#include "math_factory.h"
-#include "math_hullinset.h"
+#include "math_fontinset.h"
+#include "math_gridinset.h"
#include "math_iterator.h"
#include "math_macroarg.h"
#include "math_macrotemplate.h"
#include "math_mathmlstream.h"
-#include "math_parser.h"
-#include "math_replace.h"
#include "math_scriptinset.h"
#include "math_spaceinset.h"
-#include "math_specialcharinset.h"
#include "math_support.h"
#include "math_unknowninset.h"
#include <algorithm>
#include <cctype>
-#define FILEDEBUG 0
+//#define FILEDEBUG 1
using std::endl;
using std::min;
using std::isalpha;
-namespace {
-
-struct Selection
-{
- typedef MathInset::col_type col_type;
- typedef MathInset::row_type row_type;
- typedef MathInset::idx_type idx_type;
-
- Selection()
- : data_(1, 1)
- {}
-
- void region(MathCursorPos const & i1, MathCursorPos const & i2,
- row_type & r1, row_type & r2, col_type & c1, col_type & c2)
- {
- MathInset * p = i1.par_;
- c1 = p->col(i1.idx_);
- c2 = p->col(i2.idx_);
- if (c1 > c2)
- swap(c1, c2);
- r1 = p->row(i1.idx_);
- r2 = p->row(i2.idx_);
- if (r1 > r2)
- swap(r1, r2);
- }
-
- void grab(MathCursor const & cursor)
- {
- MathCursorPos i1;
- MathCursorPos i2;
- cursor.getSelection(i1, i2);
- // shouldn'tt we assert on i1.par_ == i2.par_?
- if (i1.idx_ == i2.idx_) {
- data_ = MathGridInset(1, 1);
- data_.cell(0) = MathArray(i1.cell(), i1.pos_, i2.pos_);
- } else {
- row_type r1, r2;
- col_type c1, c2;
- region(i1, i2, r1, r2, c1, c2);
- data_ = MathGridInset(c2 - c1 + 1, r2 - r1 + 1);
- for (row_type row = 0; row < data_.nrows(); ++row)
- for (col_type col = 0; col < data_.ncols(); ++col) {
- idx_type i = i1.par_->index(row + r1, col + c1);
- data_.cell(data_.index(row, col)) = i1.par_->cell(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 {
- MathInset * p = i1.par_;
- row_type r1, r2;
- col_type c1, c2;
- region(i1, i2, r1, r2, c1, c2);
- for (row_type row = r1; row <= r2; ++row)
- for (col_type col = c1; col <= c2; ++col)
- p->cell(p->index(row, col)).erase();
- }
- cursor.cursor() = i1;
- }
-
- void paste(MathCursor & cursor) const
- {
- if (data_.nargs() == 1) {
- // single cell/part of cell
- cursor.paste(data_.cell(0));
- } else {
- // mulitple cells
- idx_type idx; // index of upper left cell
- MathGridInset * p = cursor.enclosingGrid(idx);
- col_type const numcols = min(data_.ncols(), p->ncols() - p->col(idx));
- row_type const numrows = min(data_.nrows(), p->nrows() - p->row(idx));
- for (row_type row = 0; row < numrows; ++row) {
- for (col_type col = 0; col < numcols; ++col) {
- idx_type i = p->index(row + p->row(idx), col + p->col(idx));
- p->cell(i).push_back(data_.cell(data_.index(row, col)));
- }
- // append the left over horizontal cells to the last column
- idx_type i = p->index(row + p->row(idx), p->ncols() - 1);
- for (col_type col = numcols; col < data_.ncols(); ++col)
- p->cell(i).push_back(data_.cell(data_.index(row, col)));
- }
- // append the left over vertical cells to the last _cell_
- idx_type i = p->nargs() - 1;
- for (row_type row = numrows; row < data_.nrows(); ++row)
- for (col_type col = 0; col < data_.ncols(); ++col)
- p->cell(i).push_back(data_.cell(data_.index(row, col)));
- }
- }
-
- // glues selection to one cell
- MathArray glue() const
- {
- MathArray ar;
- for (unsigned i = 0; i < data_.nargs(); ++i)
- ar.push_back(data_.cell(i));
- return ar;
- }
-
- void clear()
- {
- data_ = MathGridInset(1, 1);
- }
-
- MathGridInset data_;
-};
-
-
-Selection theSelection;
-
+// matheds own cut buffer
+string theCutBuffer;
+MathCursor::MathCursor(InsetFormulaBase * formula, bool front)
+ : formula_(formula), autocorrect_(false), selection_(false), targetx_(-1)
+{
+ front ? first() : last();
+ Anchor_ = Cursor_;
}
-MathCursor::MathCursor(InsetFormulaBase * formula, bool front)
- : formula_(formula), autocorrect_(false), selection_(false)
+MathCursor::~MathCursor()
{
- front ? first() : last();
+ // ensure that 'notifyCursorLeave' is called
+ while (popLeft())
+ ;
}
void MathCursor::pushLeft(MathAtom & t)
{
- //cerr << "Entering atom "; t->write(cerr, false); cerr << " left\n";
+ //lyxerr << "Entering atom " << t << " left\n";
push(t);
t->idxFirst(idx(), pos());
}
void MathCursor::pushRight(MathAtom & t)
{
- //cerr << "Entering atom "; t->write(cerr, false); cerr << " right\n";
+ //lyxerr << "Entering atom " << t << " right\n";
posLeft();
push(t);
t->idxLast(idx(), pos());
bool MathCursor::popLeft()
{
//cerr << "Leaving atom to the left\n";
- if (Cursor_.size() <= 1)
+ if (depth() <= 1) {
+ if (depth() == 1)
+ par()->notifyCursorLeaves(idx());
return false;
+ }
+ par()->notifyCursorLeaves(idx());
Cursor_.pop_back();
return true;
}
bool MathCursor::popRight()
{
//cerr << "Leaving atom "; par()->write(cerr, false); cerr << " right\n";
- if (Cursor_.size() <= 1)
+ if (depth() <= 1) {
+ if (depth() == 1)
+ par()->notifyCursorLeaves(idx());
return false;
+ }
+ par()->notifyCursorLeaves(idx());
Cursor_.pop_back();
posRight();
return true;
#if FILEDEBUG
void MathCursor::dump(char const * what) const
{
- lyxerr << "MC: " << what << "\n";
- lyxerr << " Cursor: " << Cursor_.size() << "\n";
- for (unsigned i = 0; i < Cursor_.size(); ++i)
- lyxerr << " i: " << i << " " << Cursor_[i] << "\n";
- lyxerr << " Anchor: " << Anchor_.size() << "\n";
+ lyxerr << "MC: " << what << endl;
+ lyxerr << " Cursor: " << depth() << endl;
+ for (unsigned i = 0; i < depth(); ++i)
+ lyxerr << " i: " << i << ' ' << Cursor_[i] << endl;
+ lyxerr << " Anchor: " << Anchor_.size() << endl;
for (unsigned i = 0; i < Anchor_.size(); ++i)
- lyxerr << " i: " << i << " " << Anchor_[i] << "\n";
- lyxerr << " sel: " << selection_ << "\n";
+ lyxerr << " i: " << i << ' ' << Anchor_[i] << endl;
+ lyxerr << " sel: " << selection_ << endl;
}
#else
void MathCursor::dump(char const *) const {}
bool MathCursor::isInside(MathInset const * p) const
{
- for (unsigned i = 0; i < Cursor_.size(); ++i)
+ for (unsigned i = 0; i < depth(); ++i)
if (Cursor_[i].par_ == p)
return true;
return false;
if (t->lock())
return false;
- if (t->asScriptInset())
- return false;
-
if (sel) {
// we can't move into anything new during selection
- if (Cursor_.size() == Anchor_.size())
+ if (depth() == Anchor_.size())
return false;
- if (t.nucleus() != Anchor_[Cursor_.size()].par_)
+ if (t.operator->() != Anchor_[depth()].par_)
return false;
}
return true;
}
+bool MathCursor::inNucleus() const
+{
+ return par()->asScriptInset() && idx() == 2;
+}
+
+
bool MathCursor::posLeft()
{
if (pos() == 0)
}
-bool positionable(MathCursor::cursor_type const & cursor,
- MathCursor::cursor_type const & anchor)
+bool positionable
+ (MathIterator const & cursor, MathIterator const & anchor)
{
// avoid deeper nested insets when selecting
if (cursor.size() > anchor.size())
return false;
// anchor might be deeper, should have same path then
- for (MathCursor::cursor_type::size_type i = 0; i < cursor.size(); ++i)
+ for (MathIterator::size_type i = 0; i < cursor.size(); ++i)
if (cursor[i].par_ != anchor[i].par_)
return false;
formula()->xlow(), formula()->xhigh(),
formula()->ylow(), formula()->yhigh());
if (!res) {
- // this ccan happen on creation of "math-display"
+ // this can happen on creation of "math-display"
dump("setPos 1.5");
first();
}
+ targetx_ = -1; // "no target"
dump("setPos 2");
}
-void MathCursor::home(bool sel)
+bool MathCursor::home(bool sel)
{
dump("home 1");
autocorrect_ = false;
selHandle(sel);
macroModeClose();
if (!par()->idxHome(idx(), pos()))
- popLeft();
+ return popLeft();
dump("home 2");
+ targetx_ = -1; // "no target"
+ return true;
}
-void MathCursor::end(bool sel)
+bool MathCursor::end(bool sel)
{
dump("end 1");
autocorrect_ = false;
selHandle(sel);
macroModeClose();
if (!par()->idxEnd(idx(), pos()))
- popRight();
+ return popRight();
dump("end 2");
+ targetx_ = -1; // "no target"
+ return true;
}
void MathCursor::plainInsert(MathAtom const & t)
{
+ dump("plainInsert");
array().insert(pos(), t);
++pos();
}
+void MathCursor::insert(string const & str)
+{
+ //lyxerr << "inserting '" << str << "'\n";
+ selClearOrDel();
+ for (string::const_iterator it = str.begin(); it != str.end(); ++it)
+ plainInsert(MathAtom(new MathCharInset(*it)));
+}
+
+
void MathCursor::insert(char c)
{
//lyxerr << "inserting '" << c << "'\n";
- selClearOrDel();
+ selClearOrDel();
plainInsert(MathAtom(new MathCharInset(c)));
}
void MathCursor::insert(MathAtom const & t)
{
macroModeClose();
+ selClearOrDel();
+ plainInsert(t);
+}
- if (selection_) {
- if (t->nargs())
- selCut();
- else
- selClearOrDel();
- }
- plainInsert(t);
+void MathCursor::niceInsert(string const & t)
+{
+ MathArray ar = asArray(t);
+ if (ar.size() == 1)
+ niceInsert(ar[0]);
+ else
+ insert(ar);
}
void MathCursor::niceInsert(MathAtom const & t)
{
- selCut();
- insert(t); // inserting invalidates the pointer!
- MathAtom & p = prevAtom();
+ macroModeClose();
+ string safe = grabAndEraseSelection();
+ plainInsert(t);
// enter the new inset and move the contents of the selection if possible
- if (p->isActive()) {
- push(p);
- par()->idxLast(idx(), pos());
- selPaste();
+ if (t->isActive()) {
+ posLeft();
+ pushLeft(nextAtom());
+ paste(safe);
}
}
{
macroModeClose();
if (selection_)
- selCut();
-
+ eraseSelection();
array().insert(pos(), ar);
pos() += ar.size();
}
-void MathCursor::paste(MathArray const & ar)
+void MathCursor::paste(string const & data)
{
- Anchor_ = Cursor_;
- selection_ = true;
- array().insert(pos(), ar);
- pos() += ar.size();
+ dispatch(FuncRequest(LFUN_PASTE, data));
}
-void MathCursor::backspace()
+bool MathCursor::backspace()
{
autocorrect_ = false;
- if (pos() == 0) {
- pullArg(false);
- return;
- }
if (selection_) {
selDel();
- return;
+ return true;
+ }
+
+ if (pos() == 0) {
+ if (par()->ncols() == 1 &&
+ par()->nrows() == 1 &&
+ depth() == 1 &&
+ size() == 0)
+ return false;
+ pullArg();
+ return true;
}
- MathScriptInset * p = prevAtom()->asScriptInset();
- if (p) {
- p->removeScript(p->hasUp());
- // Don't delete if there is anything left
- if (p->hasUp() || p->hasDown())
- return;
+ if (inMacroMode()) {
+ MathUnknownInset * p = activeMacro();
+ if (p->name().size() > 1) {
+ p->setName(p->name().substr(0, p->name().size() - 1));
+ return true;
+ }
}
--pos();
plainErase();
+ return true;
}
-void MathCursor::erase()
+bool MathCursor::erase()
{
autocorrect_ = false;
if (inMacroMode())
- return;
+ return true;
if (selection_) {
selDel();
- return;
+ return true;
}
// delete empty cells if possible
if (array().empty())
if (par()->idxDelete(idx()))
- return;
+ return true;
// old behaviour when in last position of cell
if (pos() == size()) {
- par()->idxGlue(idx());
- return;
- }
-
- MathScriptInset * p = nextAtom()->asScriptInset();
- if (p) {
- p->removeScript(p->hasUp());
- // Don't delete if there is anything left
- if (p->hasUp() || p->hasDown())
- return;
+ if (par()->ncols() == 1 && par()->nrows() == 1 && depth() == 1 && size() == 0)
+ return false;
+ else{
+ par()->idxGlue(idx());
+ return true;
+ }
}
plainErase();
-}
-
-
-void MathCursor::delLine()
-{
- autocorrect_ = false;
- macroModeClose();
-
- if (selection_) {
- selDel();
- return;
- }
-
- if (par()->nrows() > 1) {
- // grid are the only things with more than one row...
- lyx::Assert(par()->asGridInset());
- par()->asGridInset()->delRow(hullRow());
- }
-
- if (idx() >= par()->nargs())
- idx() = par()->nargs() - 1;
-
- if (pos() > size())
- pos() = size();
+ return true;
}
dump("up 1");
macroModeClose();
selHandle(sel);
- cursor_type save = Cursor_;
+ MathIterator save = Cursor_;
if (goUpDown(true))
return true;
Cursor_ = save;
dump("down 1");
macroModeClose();
selHandle(sel);
- cursor_type save = Cursor_;
+ MathIterator save = Cursor_;
if (goUpDown(false))
return true;
Cursor_ = save;
}
-bool MathCursor::toggleLimits()
-{
- if (!hasNextAtom())
- return false;
- MathScriptInset * t = nextAtom()->asScriptInset();
- if (!t)
- return false;
- int old = t->limits();
- t->limits(old < 0 ? 1 : -1);
- return old != t->limits();
-}
-
-
void MathCursor::macroModeClose()
{
- MathUnknownInset * p = inMacroMode();
- if (!p)
+ if (!inMacroMode())
return;
+ MathUnknownInset * p = activeMacro();
p->finalize();
string s = p->name();
--pos();
array().erase(pos());
- if (s != "\\")
- interpret(s);
+
+ // do nothing if the macro name is empty
+ if (s == "\\")
+ return;
+
+ string name = s.substr(1);
+
+ // prevent entering of recursive macros
+ if (formula()->lyxCode() == Inset::MATHMACRO_CODE
+ && formula()->getInsetName() == name)
+ lyxerr << "can't enter recursive macro\n";
+
+ niceInsert(createMathInset(name));
}
string MathCursor::macroName() const
{
- return inMacroMode() ? inMacroMode()->name() : "";
+ return inMacroMode() ? activeMacro()->name() : string();
+}
+
+
+void MathCursor::selClear()
+{
+ Anchor_.clear();
+ selection_ = false;
}
{
dump("selCopy");
if (selection_) {
- theSelection.grab(*this);
- //selClear();
+ theCutBuffer = grabSelection();
+ selection_ = false;
+ } else {
+ theCutBuffer.erase();
}
}
void MathCursor::selCut()
{
dump("selCut");
- if (selection_) {
- theSelection.grab(*this);
- theSelection.erase(*this);
- selClear();
- } else {
- theSelection.clear();
- }
+ theCutBuffer = grabAndEraseSelection();
}
{
dump("selDel");
if (selection_) {
- theSelection.erase(*this);
- if (pos() > size())
- pos() = size();
- selClear();
+ eraseSelection();
+ selection_ = false;
}
}
{
dump("selPaste");
selClearOrDel();
- theSelection.paste(*this);
- //theSelection.grab(*this);
- selClear();
+ paste(theCutBuffer);
+ //grabSelection();
+ selection_ = false;
}
{
if (sel == selection_)
return;
- //theSelection.clear();
- Anchor_ = Cursor_;
+ //clear();
+ Anchor_ = Cursor_;
selection_ = sel;
}
void MathCursor::selStart()
{
dump("selStart 1");
- //theSelection.clear();
+ //clear();
Anchor_ = Cursor_;
selection_ = true;
dump("selStart 2");
}
-void MathCursor::selClear()
-{
- dump("selClear 1");
- selection_ = false;
- dump("selClear 2");
-}
-
-
void MathCursor::selClearOrDel()
{
if (lyxrc.auto_region_delete)
selDel();
else
- selClear();
-}
-
-
-void MathCursor::selGet(MathArray & ar)
-{
- dump("selGet");
- if (!selection_)
- return;
-
- theSelection.grab(*this);
- ar = theSelection.glue();
+ selection_ = false;
}
-
-void MathCursor::drawSelection(MathPainterInfo & pain) const
+void MathCursor::drawSelection(MathPainterInfo & pi) const
{
if (!selection_)
return;
-
MathCursorPos i1;
MathCursorPos i2;
getSelection(i1, i2);
-
- 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.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
- } else {
- vector<MathInset::idx_type> 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.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
- }
- }
-
-#if 0
- // draw anchor if different from selection boundary
- MathCursorPos anc = Anchor_.back();
- if (anc != i1 && anc != i2) {
- MathXArray & c = anc.xcell();
- int x = c.xo() + c.pos2x(anc.pos_);
- int y1 = c.yo() - c.ascent();
- int y2 = c.yo() + c.descent();
- pain.line(x, y1, x, y2, LColor::math);
- }
-#endif
+ i1.par_->drawSelection(pi, i1.idx_, i1.pos_, i2.idx_, i2.pos_);
}
-void MathCursor::handleDelim(string const & l, string const & r)
+void MathCursor::handleNest(MathAtom const & a)
{
- handleNest(new MathDelimInset(l, r));
+ MathAtom at = a;
+ at.nucleus()->cell(0) = asArray(grabAndEraseSelection());
+ insert(at);
+ pushRight(prevAtom());
}
-void MathCursor::handleNest(MathInset * p)
+void MathCursor::getPos(int & x, int & y) const
{
- if (selection_) {
- selCut();
- p->cell(0) = theSelection.glue();
- }
- insert(MathAtom(p)); // this invalidates p!
- pushRight(prevAtom());
+ par()->getPos(idx(), pos(), x, y);
}
-void MathCursor::getPos(int & x, int & y)
+int MathCursor::targetX() const
{
-#ifdef WITH_WARNINGS
-#warning This should probably take cellXOffset and cellYOffset into account
-#endif
- x = xarray().xo() + xarray().pos2x(pos());
- // move cursor visually into empty cells ("blue rectangles");
- if (array().empty())
- x += 2;
- y = xarray().yo();
+ if (targetx_ != -1)
+ return targetx_;
+ int x = 0, y = 0;
+ getPos(x, y);
+ return x;
}
}
-InsetFormulaBase * MathCursor::formula()
+InsetFormulaBase * MathCursor::formula() const
{
return formula_;
}
}
+void MathCursor::adjust(pos_type from, difference_type diff)
+{
+ if (cursor().pos_ > from)
+ cursor().pos_ += diff;
+ if (Anchor_.back().pos_ > from)
+ Anchor_.back().pos_ += diff;
+ // just to be on the safe side
+ // theoretically unecessary
+ normalize();
+}
+
+
MathCursor::pos_type & MathCursor::pos()
{
return cursor().pos_;
}
-MathUnknownInset * MathCursor::inMacroMode() const
+bool MathCursor::inMacroMode() const
{
- if (pos() == 0)
- return 0;
- MathUnknownInset * p = prevAtom()->asUnknownInset();
- return (p && !p->final()) ? p : 0;
+ if (!hasPrevAtom())
+ return false;
+ MathUnknownInset const * p = prevAtom()->asUnknownInset();
+ return p && !p->final();
+}
+
+
+MathUnknownInset * MathCursor::activeMacro()
+{
+ return inMacroMode() ? prevAtom().nucleus()->asUnknownInset() : 0;
+}
+
+
+MathUnknownInset const * MathCursor::activeMacro() const
+{
+ return inMacroMode() ? prevAtom()->asUnknownInset() : 0;
}
MathGridInset * MathCursor::enclosingGrid(MathCursor::idx_type & idx) const
{
- for (MathInset::difference_type i = Cursor_.size() - 1; i >= 0; --i) {
+ for (MathInset::difference_type i = depth() - 1; i >= 0; --i) {
MathGridInset * p = Cursor_[i].par_->asGridInset();
if (p) {
idx = Cursor_[i].idx_;
return p;
- lyxerr << "found grid and idx: " << idx << "\n";
}
}
return 0;
}
+void MathCursor::popToHere(MathInset const * p)
+{
+ while (depth() && Cursor_.back().par_ != p)
+ Cursor_.pop_back();
+}
+
+
void MathCursor::popToEnclosingGrid()
{
- while (Cursor_.size() && !Cursor_.back().par_->asGridInset())
+ while (depth() && !Cursor_.back().par_->asGridInset())
Cursor_.pop_back();
}
-void MathCursor::pullArg(bool goright)
+void MathCursor::popToEnclosingHull()
{
- dump("pullarg");
- MathArray a = array();
+ while (depth() && !Cursor_.back().par_->asHullInset())
+ Cursor_.pop_back();
+}
- MathScriptInset const * p = par()->asScriptInset();
- if (p) {
- // special handling for scripts
- const bool up = p->hasUp();
- popLeft();
- MathScriptInset * q = nextAtom()->asScriptInset();
- if (q)
- q->removeScript(up);
- ++pos();
- array().insert(pos(), a);
- return;
- }
+void MathCursor::pullArg()
+{
+ dump("pullarg");
+ MathArray a = array();
if (popLeft()) {
plainErase();
array().insert(pos(), a);
- if (goright)
- pos() += a.size();
+ Anchor_ = Cursor_;
} else {
formula()->mutateToText();
}
void MathCursor::touch()
{
- cursor_type::const_iterator it = Cursor_.begin();
- cursor_type::const_iterator et = Cursor_.end();
+ MathIterator::const_iterator it = Cursor_.begin();
+ MathIterator::const_iterator et = Cursor_.end();
for ( ; it != et; ++it)
- it->xcell().touch();
+ it->cell().touch();
}
void MathCursor::normalize()
{
-#if 0
- // rebreak
- {
- MathIterator it = ibegin(formula()->par().nucleus());
- MathIterator et = iend(formula()->par().nucleus());
- for (; it != et; ++it)
- if (it.par()->asBoxInset())
- it.par()->asBoxInset()->rebreak();
- }
-#endif
-
if (idx() >= par()->nargs()) {
lyxerr << "this should not really happen - 1: "
- << idx() << " " << par()->nargs() << "\n";
+ << idx() << ' ' << par()->nargs()
+ << " in: " << par() << endl;
dump("error 2");
}
idx() = min(idx(), par()->nargs() - 1);
if (pos() > size()) {
lyxerr << "this should not really happen - 2: "
- << pos() << " " << size() << " in idx: " << idx()
- << " in atom: '";
+ << pos() << ' ' << size() << " in idx: " << idx()
+ << " in atom: '";
WriteStream wi(lyxerr, false, true);
par()->write(wi);
- lyxerr << "\n";
+ lyxerr << endl;
dump("error 4");
}
pos() = min(pos(), size());
-
- // remove empty scripts if possible
- if (1) {
- for (pos_type i = 0; i < size(); ++i) {
- MathScriptInset * p = array().at(i)->asScriptInset();
- if (p) {
- p->removeEmptyScripts();
- //if (p->empty())
- // array().erase(i);
- }
- }
- }
-
- // fix again position
- pos() = min(pos(), size());
}
}
-MathCursor::col_type MathCursor::hullCol() const
-{
- return Cursor_[0].par_->asGridInset()->col(Cursor_[0].idx_);
-}
-
-
-MathCursor::row_type MathCursor::hullRow() const
-{
- return Cursor_[0].par_->asGridInset()->row(Cursor_[0].idx_);
-}
-
-
bool MathCursor::hasPrevAtom() const
{
return pos() > 0;
MathAtom const & MathCursor::prevAtom() const
{
lyx::Assert(pos() > 0);
- return array().at(pos() - 1);
+ return array()[pos() - 1];
}
MathAtom & MathCursor::prevAtom()
{
lyx::Assert(pos() > 0);
- return array().at(pos() - 1);
+ return array()[pos() - 1];
}
MathAtom const & MathCursor::nextAtom() const
{
lyx::Assert(pos() < size());
- return array().at(pos());
+ return array()[pos()];
}
MathAtom & MathCursor::nextAtom()
{
lyx::Assert(pos() < size());
- return array().at(pos());
+ return array()[pos()];
}
return dummy;
}
- if (Cursor_.size() == 0) {
- lyxerr << "############ Cursor_.size() == 0 not valid\n";
+ if (depth() == 0) {
+ lyxerr << "############ depth() == 0 not valid\n";
return dummy;
}
}
-MathXArray & MathCursor::xarray() const
-{
- static MathXArray dummy;
-
- if (Cursor_.size() == 0) {
- lyxerr << "############ Cursor_.size() == 0 not valid\n";
- return dummy;
- }
-
- return cursor().xcell();
-}
-
-
void MathCursor::idxNext()
{
par()->idxNext(idx(), pos());
}
-void MathCursor::splitCell()
-{
- if (idx() + 1 == par()->nargs())
- return;
- MathArray ar = array();
- ar.erase(0, pos());
- array().erase(pos(), size());
- ++idx();
- pos() = 0;
- array().insert(0, ar);
-}
-
-
-void MathCursor::breakLine()
-{
- // leave inner cells
- while (popRight())
- ;
-
- MathHullInset * p = formula()->par()->asHullInset();
- if (!p)
- return;
-
- if (p->getType() == LM_OT_SIMPLE || p->getType() == LM_OT_EQUATION) {
- p->mutate(LM_OT_EQNARRAY);
- idx() = 0;
- pos() = size();
- } else {
- p->addRow(hullRow());
-
- // split line
- const row_type r = hullRow();
- for (col_type c = hullCol() + 1; c < p->ncols(); ++c)
- p->cell(p->index(r, c)).swap(p->cell(p->index(r + 1, c)));
-
- // split cell
- splitCell();
- p->cell(idx()).swap(p->cell(idx() + p->ncols() - 1));
- }
-}
-
-
-//void MathCursor::readLine(MathArray & ar) const
-//{
-// idx_type base = row() * par()->ncols();
-// for (idx_type off = 0; off < par()->ncols(); ++off)
-// ar.push_back(par()->cell(base + off));
-//}
-
-
char MathCursor::valign() const
{
idx_type idx;
MathCursorPos & MathCursor::cursor()
{
- lyx::Assert(Cursor_.size());
+ lyx::Assert(depth());
return Cursor_.back();
}
MathCursorPos const & MathCursor::cursor() const
{
- lyx::Assert(Cursor_.size());
+ lyx::Assert(depth());
return Cursor_.back();
}
// Be warned: The 'logic' implemented in this function is highly fragile.
// A distance of one pixel or a '<' vs '<=' _really_ matters.
// So fiddle around with it only if you know what you are doing!
- int xlow, xhigh, ylow, yhigh;
-
- int xo, yo;
+ int xo = 0;
+ int yo = 0;
getPos(xo, yo);
// check if we had something else in mind, if not, this is the future goal
if (targetx_ == -1)
targetx_ = xo;
- else
+ else
xo = targetx_;
// try neigbouring script insets
// try left
if (hasPrevAtom()) {
- MathScriptInset * p = prevAtom()->asScriptInset();
+ MathScriptInset const * p = prevAtom()->asScriptInset();
if (p && p->has(up)) {
--pos();
push(nextAtom());
// try right
if (hasNextAtom()) {
- MathScriptInset * p = nextAtom()->asScriptInset();
+ MathScriptInset const * p = nextAtom()->asScriptInset();
if (p && p->has(up)) {
push(nextAtom());
idx() = up;
while (1) {
///lyxerr << "updown: We are in " << *par() << " idx: " << idx() << '\n';
// ask inset first
- if (par()->idxUpDown(idx(), up)) {
- // we found a cell that thinks it has something "below" us.
- ///lyxerr << "updown: found inset that handles UpDown\n";
- xarray().boundingBox(xlow, xhigh, ylow, yhigh);
- // project (xo,yo) onto proper box
- ///lyxerr << "\n xo: " << xo << " yo: " << yo
- /// << "\n xlow: " << xlow << " ylow: " << ylow
- /// << "\n xhigh: " << xhigh << " yhigh: " << yhigh;
- xo = min(max(xo, xlow), xhigh);
- yo = min(max(yo, ylow), yhigh);
- ///lyxerr << "\n xo2: " << xo << " yo2: " << yo << "\n";
- bruteFind(xo, yo, xlow, xhigh, ylow, yhigh);
- ///lyxerr << "updown: handled by final brute find\n";
+ if (par()->idxUpDown(idx(), pos(), up, targetx_)) {
+ // try to find best position within this inset
+ if (!selection())
+ bruteFind2(xo, yo);
return true;
}
- // leave inset
- if (!popLeft()) {
- // no such inset found, just take something "above"
- ///lyxerr << "updown: handled by strange case\n";
+ // no such inset found, just take something "above"
+ ///lyxerr << "updown: handled by strange case\n";
+ if (!popLeft())
return
bruteFind(xo, yo,
formula()->xlow(),
up ? formula()->ylow() : yo + 4,
up ? yo - 4 : formula()->yhigh()
);
- }
// any improvement so far?
int xnew, ynew;
bool MathCursor::bruteFind
(int x, int y, int xlow, int xhigh, int ylow, int yhigh)
{
- cursor_type best_cursor;
+ MathIterator best_cursor;
double best_dist = 1e10;
MathIterator it = ibegin(formula()->par().nucleus());
MathIterator et = iend(formula()->par().nucleus());
while (1) {
// avoid invalid nesting when selecting
- if (!selection_ || positionable(it.cursor(), Anchor_)) {
- MathCursorPos const & top = it.position();
- int xo = top.xpos();
- int yo = top.ypos();
+ if (!selection_ || positionable(it, Anchor_)) {
+ int xo, yo;
+ it.back().getPos(xo, yo);
if (xlow <= xo && xo <= xhigh && ylow <= yo && yo <= yhigh) {
double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
// '<=' in order to take the last possible position
// this is important for clicking behind \sum in e.g. '\sum_i a'
if (d <= best_dist) {
best_dist = d;
- best_cursor = it.cursor();
+ best_cursor = it;
}
}
}
}
-bool MathCursor::idxLeft()
+void MathCursor::bruteFind2(int x, int y)
{
- return par()->idxLeft(idx(), pos());
+ double best_dist = 1e10;
+
+ MathIterator it = Cursor_;
+ it.back().setPos(0);
+ MathIterator et = Cursor_;
+ et.back().setPos(it.cell().size());
+ while (1) {
+ int xo, yo;
+ it.back().getPos(xo, yo);
+ double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
+ // '<=' in order to take the last possible position
+ // this is important for clicking behind \sum in e.g. '\sum_i a'
+ if (d <= best_dist) {
+ best_dist = d;
+ Cursor_ = it;
+ }
+ if (it == et)
+ break;
+ ++it;
+ }
}
-bool MathCursor::idxRight()
+bool MathCursor::idxLineLast()
{
- return par()->idxRight(idx(), pos());
+ idx() -= idx() % par()->ncols();
+ idx() += par()->ncols() - 1;
+ pos() = size();
+ return true;
}
-
-bool MathCursor::interpret(string const & s)
+bool MathCursor::idxLeft()
{
- //lyxerr << "interpret 1: '" << s << "'\n";
- if (s.empty())
- return true;
-
- //lyxerr << "char: '" << s[0] << "' int: " << int(s[0]) << endl;
- //owner_->getIntl()->getTrans().TranslateAndInsert(s[0], lt);
- //lyxerr << "trans: '" << s[0] << "' int: " << int(s[0]) << endl;
-
- if (s.size() >= 5 && s.substr(0, 5) == "cases") {
- unsigned int n = 1;
- istringstream is(s.substr(5).c_str());
- is >> n;
- n = max(1u, n);
- niceInsert(MathAtom(new MathCasesInset(n)));
- return true;
- }
-
- if (s.size() >= 6 && s.substr(0, 6) == "matrix") {
- unsigned int m = 1;
- unsigned int n = 1;
- string v_align;
- string h_align;
- istringstream is(s.substr(6).c_str());
- is >> m >> n >> v_align >> h_align;
- m = max(1u, m);
- n = max(1u, n);
- v_align += 'c';
- niceInsert(MathAtom(new MathArrayInset("array", m, n, v_align[0], h_align)));
- return true;
- }
-
- if (s.size() >= 7 && s.substr(0, 7) == "replace") {
- ReplaceData rep;
- istringstream is(s.substr(7).c_str());
- string from, to;
- is >> from >> to;
- mathed_parse_cell(rep.from, from);
- mathed_parse_cell(rep.to, to);
- lyxerr << "replacing '" << from << "' with '" << to << "'\n";
- par()->replace(rep);
- return true;
- }
-
- string name = s.substr(1);
-
- if (name == "over" || name == "choose" || name == "atop") {
- MathArray ar = array();
- MathAtom t(createMathInset(name));
- t->asNestInset()->cell(0).swap(array());
- pos() = 0;
- niceInsert(t);
- popRight();
- left();
- return true;
- }
+ return par()->idxLeft(idx(), pos());
+}
- // prevent entering of recursive macros
- if (formula()->lyxCode() == Inset::MATHMACRO_CODE
- && formula()->getInsetName() == name)
- {
- lyxerr << "can't enter recursive macro\n";
- return true;
- }
- niceInsert(createMathInset(name));
- return true;
+bool MathCursor::idxRight()
+{
+ return par()->idxRight(idx(), pos());
}
// Hack to get \\^ and \\_ working
if (inMacroMode() && macroName() == "\\") {
if (up)
- interpret("\\mathcircumflex");
+ niceInsert(createMathInset("mathcircumflex"));
else
interpret('_');
return true;
}
macroModeClose();
- selCut();
- if (hasPrevAtom() && prevAtom()->asScriptInset()) {
- prevAtom()->asScriptInset()->ensure(up);
+ string safe = grabAndEraseSelection();
+ if (inNucleus()) {
+ // we are in a nucleus of a script inset, move to _our_ script
+ par()->asScriptInset()->ensure(up);
+ idx() = up;
+ pos() = 0;
+ } else if (hasPrevAtom() && prevAtom()->asScriptInset()) {
+ prevAtom().nucleus()->asScriptInset()->ensure(up);
pushRight(prevAtom());
idx() = up;
pos() = size();
- } else if (hasNextAtom() && nextAtom()->asScriptInset()) {
- nextAtom()->asScriptInset()->ensure(up);
+ } else if (hasPrevAtom()) {
+ --pos();
+ array()[pos()] = MathAtom(new MathScriptInset(nextAtom(), up));
pushLeft(nextAtom());
idx() = up;
pos() = 0;
} else {
plainInsert(MathAtom(new MathScriptInset(up)));
- prevAtom()->asScriptInset()->ensure(up);
+ prevAtom().nucleus()->asScriptInset()->ensure(up);
pushRight(prevAtom());
idx() = up;
pos() = 0;
}
- selPaste();
+ paste(safe);
dump("1");
return true;
}
-bool MathCursor::inMathMode() const
-{
- return !par()->asBoxInset();
-}
-
-
bool MathCursor::interpret(char c)
{
//lyxerr << "interpret 2: '" << c << "'\n";
--pos();
plainErase();
int n = c - '0';
- MathMacroTemplate * p = formula()->par()->asMacroTemplate();
+ MathMacroTemplate const * p = formula()->par()->asMacroTemplate();
if (p && 1 <= n && n <= p->numargs())
insert(MathAtom(new MathMacroArgument(c - '0')));
else {
- insert(MathAtom(new MathSpecialCharInset('#')));
+ insert(createMathInset("#"));
interpret(c); // try again
}
return true;
string name = macroName();
//lyxerr << "interpret name: '" << name << "'\n";
- if (name.empty() && c == '\\') {
- backspace();
- interpret("\\backslash");
- return true;
- }
-
if (isalpha(c)) {
- inMacroMode()->name() += c;
+ activeMacro()->setName(activeMacro()->name() + c);
return true;
}
if (name == "\\") {
// remove the '\\'
backspace();
- if (c == '\\')
- interpret("\\backslash");
- else
- interpret(string("\\") + c);
+ if (c == '\\') {
+ if (currentMode() == MathInset::TEXT_MODE)
+ niceInsert(createMathInset("textbackslash"));
+ else
+ niceInsert(createMathInset("backslash"));
+ } else if (c == '{') {
+ niceInsert(MathAtom(new MathBraceInset));
+ } else {
+ niceInsert(createMathInset(string(1, c)));
+ }
return true;
}
- // leave macro mode and try again
+ // leave macro mode and try again if necessary
macroModeClose();
- interpret(c);
+ if (c == '{')
+ niceInsert(MathAtom(new MathBraceInset));
+ else if (c != ' ')
+ interpret(c);
return true;
}
- // leave autocorrect mode if necessary
- if (autocorrect_ && c == ' ') {
- autocorrect_ = false;
- return true;
+ // This is annoying as one has to press <space> far too often.
+ // Disable it.
+
+ if (0) {
+ // leave autocorrect mode if necessary
+ if (autocorrect_ && c == ' ') {
+ autocorrect_ = false;
+ return true;
+ }
}
- // just clear selection on pressing the space par
+ // just clear selection on pressing the space bar
if (selection_ && c == ' ') {
- selClear();
+ selection_ = false;
return true;
}
selClearOrDel();
- if (!inMathMode()) {
- // suppress direct insertion of two spaces in a row
- // the still allows typing '<space>a<space>' and deleting the 'a', but
- // it is better than nothing...
- if (c == ' ' && hasPrevAtom() && prevAtom()->getChar() == ' ')
- return true;
- insert(c);
+ if (c == '\\') {
+ //lyxerr << "starting with macro\n";
+ insert(MathAtom(new MathUnknownInset("\\", false)));
return true;
}
- if (c == '\\') {
- lyxerr << "starting with macro\n";
- insert(MathAtom(new MathUnknownInset("\\", false)));
+ if (c == '\n') {
+ if (currentMode() == MathInset::TEXT_MODE)
+ insert(c);
return true;
}
if (c == ' ') {
+ if (currentMode() == MathInset::TEXT_MODE) {
+ // insert spaces in text mode,
+ // but suppress direct insertion of two spaces in a row
+ // the still allows typing '<space>a<space>' and deleting the 'a', but
+ // it is better than nothing...
+ if (!hasPrevAtom() || prevAtom()->getChar() != ' ')
+ insert(c);
+ return true;
+ }
if (hasPrevAtom() && prevAtom()->asSpaceInset()) {
- prevAtom()->asSpaceInset()->incSpace();
+ prevAtom().nucleus()->asSpaceInset()->incSpace();
return true;
}
if (popRight())
}
if (c == '#') {
- insert(c); // LM_TC_TEX;
+ insert(c);
return true;
}
-/*
- if (c == '{' || c == '}', c)) {
- insert(c); // LM_TC_TEX;
+ if (c == '{' || c == '}') {
+ niceInsert(createMathInset(string(1, c)));
return true;
}
-*/
- if (c == '{') {
- niceInsert(MathAtom(new MathBraceInset));
+ if (c == '$') {
+ insert(createMathInset("$"));
return true;
}
- if (c == '}') {
+ if (c == '%') {
+ niceInsert(MathAtom(new MathCommentInset));
return true;
}
- if (c == '$' || c == '%') {
- insert(MathAtom(new MathSpecialCharInset(c)));
- return true;
- }
+ // try auto-correction
+ //if (autocorrect_ && hasPrevAtom() && math_autocorrect(prevAtom(), c))
+ // return true;
-/*
- if (isalpha(c) && lastcode_ == LM_TC_GREEK) {
- insert(c, LM_TC_VAR);
- return true;
+ // no special circumstances, so insert the character without any fuss
+ insert(c);
+ autocorrect_ = true;
+ return true;
+}
+
+
+void MathCursor::setSelection(MathIterator const & where, size_type n)
+{
+ selection_ = true;
+ Anchor_ = where;
+ Cursor_ = where;
+ cursor().pos_ += n;
+}
+
+
+void MathCursor::insetToggle()
+{
+ if (hasNextAtom()) {
+ // toggle previous inset ...
+ nextAtom().nucleus()->lock(!nextAtom()->lock());
+ } else if (popLeft() && hasNextAtom()) {
+ // ... or enclosing inset if we are in the last inset position
+ nextAtom().nucleus()->lock(!nextAtom()->lock());
+ posRight();
}
+}
- if (isalpha(c) && lastcode_ == LM_TC_GREEK1) {
- insert(c, LM_TC_VAR);
- lastcode_ = LM_TC_VAR;
- return true;
+
+string MathCursor::info() const
+{
+ ostringstream os;
+ os << "Math editor mode. ";
+ for (int i = 0, n = depth(); i < n; ++i) {
+ Cursor_[i].par_->infoize(os);
+ os << " ";
}
+ if (hasPrevAtom())
+ prevAtom()->infoize2(os);
+ os << " ";
+ return STRCONV(os.str());
+}
- if (c == '\\') {
- insert(c, LM_TC_TEX);
- //bv->owner()->message(_("TeX mode"));
- return true;
+
+unsigned MathCursor::depth() const
+{
+ return Cursor_.size();
+}
+
+
+
+
+namespace {
+
+void region(MathCursorPos const & i1, MathCursorPos const & i2,
+ MathInset::row_type & r1, MathInset::row_type & r2,
+ MathInset::col_type & c1, MathInset::col_type & c2)
+{
+ MathInset * p = i1.par_;
+ c1 = p->col(i1.idx_);
+ c2 = p->col(i2.idx_);
+ if (c1 > c2)
+ swap(c1, c2);
+ r1 = p->row(i1.idx_);
+ r2 = p->row(i2.idx_);
+ if (r1 > r2)
+ swap(r1, r2);
+}
+
+}
+
+
+string MathCursor::grabSelection() const
+{
+ if (!selection_)
+ return string();
+
+ MathCursorPos i1;
+ MathCursorPos i2;
+ getSelection(i1, i2);
+
+ if (i1.idx_ == i2.idx_) {
+ MathArray::const_iterator it = i1.cell().begin();
+ return asString(MathArray(it + i1.pos_, it + i2.pos_));
+ }
+
+ row_type r1, r2;
+ col_type c1, c2;
+ region(i1, i2, r1, r2, c1, c2);
+
+ string data;
+ for (row_type row = r1; row <= r2; ++row) {
+ if (row > r1)
+ data += "\\\\";
+ for (col_type col = c1; col <= c2; ++col) {
+ if (col > c1)
+ data += '&';
+ data += asString(i1.par_->cell(i1.par_->index(row, col)));
+ }
}
-*/
+ return data;
+}
- // try auto-correction
- if (autocorrect_ && hasPrevAtom() && math_autocorrect(prevAtom(), c))
- return true;
- // no special circumstances, so insert the character without any fuss
- insert(c);
- autocorrect_ = true;
- return true;
+void MathCursor::eraseSelection()
+{
+ MathCursorPos i1;
+ MathCursorPos i2;
+ getSelection(i1, i2);
+ if (i1.idx_ == i2.idx_)
+ i1.cell().erase(i1.pos_, i2.pos_);
+ else {
+ MathInset * p = i1.par_;
+ row_type r1, r2;
+ col_type c1, c2;
+ region(i1, i2, r1, r2, c1, c2);
+ for (row_type row = r1; row <= r2; ++row)
+ for (col_type col = c1; col <= c2; ++col)
+ p->cell(p->index(row, col)).clear();
+ }
+ cursor() = i1;
}
+string MathCursor::grabAndEraseSelection()
+{
+ if (!selection_)
+ return string();
+ string res = grabSelection();
+ eraseSelection();
+ selection_ = false;
+ return res;
+}
+
MathCursorPos MathCursor::normalAnchor() const
{
- if (Anchor_.size() < Cursor_.size()) {
+ if (Anchor_.size() < depth()) {
Anchor_ = Cursor_;
lyxerr << "unusual Anchor size\n";
- dump("1");
}
- //lyx::Assert(Anchor_.size() >= Cursor_.size());
+ //lyx::Assert(Anchor_.size() >= cursor.depth());
// use Anchor on the same level as Cursor
- MathCursorPos normal = Anchor_[Cursor_.size() - 1];
- if (Cursor_.size() < Anchor_.size() && !(normal < cursor())) {
+ MathCursorPos normal = Anchor_[depth() - 1];
+ if (depth() < Anchor_.size() && !(normal < cursor())) {
// anchor is behind cursor -> move anchor behind the inset
++normal.pos_;
}
}
-void MathCursor::stripFromLastEqualSign()
-{
- // find position of last '=' in the array
- MathArray & ar = cursor().cell();
- MathArray::const_iterator et = ar.end();
- for (MathArray::const_iterator it = ar.begin(); it != ar.end(); ++it)
- if ((*it)->getChar() == '=')
- et = it;
+dispatch_result MathCursor::dispatch(FuncRequest const & cmd)
+{
+ // mouse clicks are somewhat special
+ // check
+ switch (cmd.action) {
+ case LFUN_MOUSE_PRESS:
+ case LFUN_MOUSE_MOTION:
+ case LFUN_MOUSE_RELEASE:
+ case LFUN_MOUSE_DOUBLE: {
+ MathCursorPos & pos = Cursor_.back();
+ dispatch_result res = UNDISPATCHED;
+ int x = 0, y = 0;
+ getPos(x, y);
+ if (x < cmd.x && hasPrevAtom()) {
+ res = prevAtom().nucleus()->dispatch(cmd, pos.idx_, pos.pos_);
+ if (res != UNDISPATCHED)
+ return res;
+ }
+ if (x > cmd.x && hasNextAtom()) {
+ res = nextAtom().nucleus()->dispatch(cmd, pos.idx_, pos.pos_);
+ if (res != UNDISPATCHED)
+ return res;
+ }
+ }
+ default:
+ break;
+ }
- // delete everything behind this position
- ar.erase(et - ar.begin(), ar.size());
- pos() = ar.size();
+ for (int i = Cursor_.size() - 1; i >= 0; --i) {
+ MathCursorPos & pos = Cursor_[i];
+ dispatch_result res = pos.par_->dispatch(cmd, pos.idx_, pos.pos_);
+ if (res != UNDISPATCHED) {
+ if (res == DISPATCHED_POP) {
+ Cursor_.shrink(i + 1);
+ selClear();
+ }
+ return res;
+ }
+ }
+ return UNDISPATCHED;
}
-void MathCursor::setSelection(cursor_type const & where, size_type n)
+MathInset::mode_type MathCursor::currentMode() const
{
- selection_ = true;
- Anchor_ = where;
- Cursor_ = where;
- cursor().pos_ += n;
+ for (int i = Cursor_.size() - 1; i >= 0; --i) {
+ MathInset::mode_type res = Cursor_[i].par_->currentMode();
+ if (res != MathInset::UNDECIDED_MODE)
+ return res;
+ }
+ return MathInset::UNDECIDED_MODE;
}
-void MathCursor::insetToggle()
+void MathCursor::handleFont(string const & font)
{
- if (hasNextAtom())
- nextAtom()->lock(!nextAtom()->lock());
+ string safe;
+ if (selection()) {
+ macroModeClose();
+ safe = grabAndEraseSelection();
+ }
+
+ if (array().size()) {
+ // something left in the cell
+ if (pos() == 0) {
+ // cursor in first position
+ popLeft();
+ } else if (pos() == array().size()) {
+ // cursor in last position
+ popRight();
+ } else {
+ // cursor in between. split cell
+ MathArray::iterator bt = array().begin();
+ MathAtom at = createMathInset(font);
+ at.nucleus()->cell(0) = MathArray(bt, bt + pos());
+ cursor().cell().erase(bt, bt + pos());
+ popLeft();
+ plainInsert(at);
+ }
+ } else {
+ // nothing left in the cell
+ pullArg();
+ plainErase();
+ }
+ insert(safe);
}
-string MathCursor::info() const
+void releaseMathCursor(BufferView * bv)
{
- ostringstream os;
- os << "Math editor mode ";
- for (int i = 0, n = Cursor_.size(); i < n; ++i) {
- Cursor_[i].par_->infoize(os);
- os << " ";
+ if (mathcursor) {
+ InsetFormulaBase * f = mathcursor->formula();
+ f->hideInsetCursor(bv);
+ delete mathcursor;
+ mathcursor = 0;
+ f->insetUnlock(bv);
}
- //if (pos() > 0)
- // prevAtom()->infoize(os);
- os << " ";
- return os.str().c_str(); // .c_str() needed for lyxstring
}
projects / lyx.git / blobdiff