* the GNU General Public Licence version 2 or later.
*/
+#include <config.h>
+
#ifdef __GNUG__
#pragma implementation
#endif
-#include <config.h>
-#include <algorithm>
-#include <cctype>
-
#include "support/lstrings.h"
#include "support/LAssert.h"
#include "debug.h"
#include "LColor.h"
#include "Painter.h"
+#include "math_cursor.h"
#include "formulabase.h"
#include "math_arrayinset.h"
#include "math_braceinset.h"
+#include "math_boxinset.h"
#include "math_casesinset.h"
#include "math_charinset.h"
-#include "math_cursor.h"
#include "math_deliminset.h"
#include "math_factory.h"
#include "math_hullinset.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_specialcharinset.h"
#include "math_support.h"
+#include <algorithm>
+#include <cctype>
+
#define FILEDEBUG 0
using std::endl;
using std::max;
using std::swap;
using std::isalnum;
+using std::vector;
+using std::ostringstream;
namespace {
c1 = p->col(i1.idx_);
c2 = p->col(i2.idx_);
if (c1 > c2)
- std::swap(c1, c2);
+ swap(c1, c2);
r1 = p->row(i1.idx_);
r2 = p->row(i2.idx_);
if (r1 > r2)
- std::swap(r1, r2);
+ swap(r1, r2);
}
void grab(MathCursor const & cursor)
{
MathCursorPos i1;
MathCursorPos i2;
- cursor.getSelection(i1, i2);
+ cursor.getSelection(i1, i2);
// shouldn'tt we assert on i1.par_ == i2.par_?
if (i1.idx_ == i2.idx_) {
data_ = MathGridInset(1, 1);
} else {
row_type r1, r2;
col_type c1, c2;
- region(i1, i2, r1, r2, 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 (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);
{
MathCursorPos i1;
MathCursorPos i2;
- cursor.getSelection(i1, 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)
+ 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();
}
}
void paste(MathCursor & cursor) const
- {
- idx_type idx;
- 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)));
- }
+ {
+ if (data_.nargs() == 1) {
+ // single cell/part of cell
+ cursor.insert(data_.cell(0));
+ } else {
+ // mulitple cells
+ idx_type idx;
+ 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)));
+ }
+ }
}
// glues selection to one cell
MathCursor::MathCursor(InsetFormulaBase * formula, bool left)
- : formula_(formula), lastcode_(LM_TC_VAR), selection_(false)
+ : formula_(formula), lastcode_(LM_TC_MIN), selection_(false)
{
left ? first() : last();
}
bool MathCursor::popLeft()
{
- //cerr << "Leaving atom "; par()->write(cerr, false); cerr << " left\n";
+ //cerr << "Leaving atom to the left\n";
if (Cursor_.size() <= 1)
return false;
- if (par()->asScriptInset())
- par()->asScriptInset()->removeEmptyScripts();
Cursor_.pop_back();
return true;
}
//cerr << "Leaving atom "; par()->write(cerr, false); cerr << " right\n";
if (Cursor_.size() <= 1)
return false;
- if (par()->asScriptInset())
- par()->asScriptInset()->removeEmptyScripts();
Cursor_.pop_back();
posRight();
return true;
bool MathCursor::isInside(MathInset const * p) const
{
- for (unsigned i = 0; i < Cursor_.size(); ++i)
- if (Cursor_[i].par_ == p)
+ for (unsigned i = 0; i < Cursor_.size(); ++i)
+ if (Cursor_[i].par_ == p)
return true;
return false;
}
dump("Left 1");
if (inMacroMode()) {
macroModeClose();
- lastcode_ = LM_TC_VAR;
+ lastcode_ = LM_TC_MIN;
return true;
}
selHandle(sel);
- lastcode_ = LM_TC_VAR;
+ lastcode_ = LM_TC_MIN;
if (hasPrevAtom() && openable(prevAtom(), sel)) {
if (prevAtom()->isHyperActive()) {
}
pushRight(prevAtom());
return true;
- }
+ }
return posLeft() || idxLeft() || popLeft() || selection_;
}
dump("Right 1");
if (inMacroMode()) {
macroModeClose();
- lastcode_ = LM_TC_VAR;
+ lastcode_ = LM_TC_MIN;
return true;
}
selHandle(sel);
- lastcode_ = LM_TC_VAR;
+ lastcode_ = LM_TC_MIN;
if (hasNextAtom() && openable(nextAtom(), sel)) {
if (nextAtom()->isHyperActive()) {
void MathCursor::setPos(int x, int y)
{
- dump("setPos 2");
+ dump("setPos 1");
bool res = bruteFind(x, y,
formula()->xlow(), formula()->xhigh(),
formula()->ylow(), formula()->yhigh());
- lyx::Assert(res);
+ if (!res) {
+ // this ccan happen on creation of "math-display"
+ dump("setPos 1.5");
+ first();
+ }
dump("setPos 2");
}
dump("home 1");
selHandle(sel);
macroModeClose();
- lastcode_ = LM_TC_VAR;
- if (!par()->idxHome(idx(), pos()))
+ lastcode_ = LM_TC_MIN;
+ if (!par()->idxHome(idx(), pos()))
popLeft();
dump("home 2");
}
dump("end 1");
selHandle(sel);
macroModeClose();
- lastcode_ = LM_TC_VAR;
+ lastcode_ = LM_TC_MIN;
if (!par()->idxEnd(idx(), pos()))
popRight();
dump("end 2");
}
+void MathCursor::markInsert()
+{
+ //lyxerr << "inserting mark\n";
+ array().insert(pos(), MathAtom(new MathCharInset(0, lastcode_)));
+}
+
+
+void MathCursor::markErase()
+{
+ //lyxerr << "deleting mark\n";
+ array().erase(pos());
+}
+
+
void MathCursor::plainInsert(MathAtom const & t)
{
array().insert(pos(), t);
}
+void MathCursor::insert(char c)
+{
+ insert(c, lastcode_);
+}
+
+
void MathCursor::insert(MathAtom const & t)
{
macroModeClose();
}
-void MathCursor::niceInsert(MathAtom const & t)
+void MathCursor::niceInsert(MathAtom const & t)
{
selCut();
insert(t); // inserting invalidates the pointer!
if (pos() == 0) {
pullArg(false);
return;
- }
+ }
if (selection_) {
selDel();
MathScriptInset * p = prevAtom()->asScriptInset();
if (p) {
p->removeScript(p->hasUp());
- // Don't delete if there is anything left
+ // Don't delete if there is anything left
if (p->hasUp() || p->hasDown())
return;
}
MathScriptInset * p = nextAtom()->asScriptInset();
if (p) {
p->removeScript(p->hasUp());
- // Don't delete if there is anything left
+ // Don't delete if there is anything left
if (p->hasUp() || p->hasDown())
return;
}
par()->asGridInset()->delRow(hullRow());
}
- if (idx() > par()->nargs())
- idx() = par()->nargs();
+ if (idx() >= par()->nargs())
+ idx() = par()->nargs() - 1;
if (pos() > size())
pos() = size();
}
-int MathCursor::macroNamePos() const
+MathInset::difference_type MathCursor::macroNamePos() const
{
- for (int i = pos() - 1; i >= 0; --i) {
+ for (MathInset::difference_type i = pos() - 1; i >= 0; --i) {
MathAtom & p = array().at(i);
if (p->code() == LM_TC_TEX && p->getChar() == '\\')
return i;
string MathCursor::macroName() const
{
string s;
- for (int i = macroNamePos(); i >= 0 && i < int(pos()); ++i)
+ MathInset::difference_type i = macroNamePos();
+ for (; i >= 0 && i < int(pos()); ++i)
s += array().at(i)->getChar();
return s;
}
int y2 = c.yo() + c.descent();
pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
} else {
- std::vector<MathInset::idx_type> indices
+ 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]);
if (selection_) {
MathCursorPos i1;
MathCursorPos i2;
- getSelection(i1, i2);
+ getSelection(i1, i2);
if (i1.idx_ == i2.idx_) {
MathArray & ar = i1.cell();
for (MathInset::pos_type pos = i1.pos_; pos != i2.pos_; ++pos)
ar.at(pos)->handleFont(t);
}
- } else
+ } else
lastcode_ = (lastcode_ == t) ? LM_TC_VAR : t;
}
}
+bool MathCursor::inMacroArgMode() const
+{
+ return pos() > 0 && prevAtom()->getChar() == '#';
+}
+
+
bool MathCursor::selection() const
{
return selection_;
MathGridInset * MathCursor::enclosingGrid(MathCursor::idx_type & idx) const
{
- for (int i = Cursor_.size() - 1; i >= 0; --i) {
+ for (MathInset::difference_type i = Cursor_.size() - 1; i >= 0; --i) {
MathGridInset * p = Cursor_[i].par_->asGridInset();
if (p) {
idx = Cursor_[i].idx_;
if (popLeft()) {
plainErase();
array().insert(pos(), a);
- if (goright)
+ if (goright)
pos() += a.size();
+ } else {
+ formula()->mutateToText();
}
}
-void MathCursor::normalize() const
+void MathCursor::touch()
{
-#ifdef WITH_WARNINGS
-#warning This is evil!
+ cursor_type::const_iterator it = Cursor_.begin();
+ cursor_type::const_iterator et = Cursor_.end();
+ for ( ; it != et; ++it)
+ it->xcell().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
- MathCursor * it = const_cast<MathCursor *>(this);
if (idx() >= par()->nargs()) {
lyxerr << "this should not really happen - 1: "
<< idx() << " " << par()->nargs() << "\n";
dump("error 2");
}
- it->idx() = min(idx(), par()->nargs() - 1);
+ idx() = min(idx(), par()->nargs() - 1);
if (pos() > size()) {
lyxerr << "this should not really happen - 2: "
- << pos() << " " << size() << " in idx: " << it->idx()
+ << pos() << " " << size() << " in idx: " << idx()
<< " in atom: '";
WriteStream wi(lyxerr, false);
- it->par()->write(wi);
+ par()->write(wi);
lyxerr << "\n";
dump("error 4");
}
- it->pos() = min(pos(), size());
+ pos() = min(pos(), size());
+
+ // remove empty scripts if possible
+ 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());
}
void MathCursor::splitCell()
{
- if (idx() + 1 == par()->nargs())
+ if (idx() + 1 == par()->nargs())
return;
MathArray ar = array();
ar.erase(0, pos());
MathIterator it = ibegin(formula()->par().nucleus());
MathIterator et = iend(formula()->par().nucleus());
- for ( ; it != et; ++it) {
- // avoid invalid nesting hen selecting
- if (selection_ && !positionable(it.cursor(), Anchor_))
- continue;
- int xo = it.position().xpos();
- int yo = it.position().ypos();
- if (xlow - 2 <= xo && xo <= xhigh + 2 &&
- ylow - 2 <= yo && yo <= yhigh + 2)
- {
- double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
- if (d < best_dist) {
- best_dist = d;
- best_cursor = it.cursor();
+ 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 (xlow - 2 <= xo && xo <= xhigh + 2 &&
+ ylow - 2 <= yo && yo <= yhigh + 2)
+ {
+ double d = (x - xo) * (x - xo) + (y - yo) * (y - yo);
+ if (d < best_dist) {
+ best_dist = d;
+ best_cursor = it.cursor();
+ }
}
}
+
+ if (it == et)
+ break;
+ ++it;
}
+
if (best_dist < 1e10)
Cursor_ = best_cursor;
return best_dist < 1e10;
return interpret(s[0]);
//lyxerr << "char: '" << s[0] << "' int: " << int(s[0]) << endl;
- //owner_->getIntl()->getTrans().TranslateAndInsert(s[0], lt);
+ //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 = std::max(1u, n);
+ n = max(1u, n);
niceInsert(MathAtom(new MathCasesInset(n)));
return true;
}
string h_align;
istringstream is(s.substr(6).c_str());
is >> m >> n >> v_align >> h_align;
- m = std::max(1u, m);
- n = std::max(1u, n);
+ m = max(1u, m);
+ n = max(1u, n);
v_align += 'c';
- niceInsert(MathAtom(new MathArrayInset(m, n, v_align[0], h_align)));
+ niceInsert(MathAtom(new MathArrayInset("array", m, n, v_align[0], h_align)));
return true;
}
if (s == "\\over" || s == "\\choose" || s == "\\atop") {
MathArray ar = array();
- MathAtom t = createMathInset(s.substr(1));
+ MathAtom t(createMathInset(s.substr(1)));
t->asNestInset()->cell(0).swap(array());
pos() = 0;
niceInsert(t);
return true;
}
+ // prevent entering of recursive macros
+ if (formula()->lyxCode() == Inset::MATHMACRO_CODE
+ && formula()->getInsetName() == s.substr(1))
+ {
+ lyxerr << "can't enter recursive macro\n";
+ return true;
+ }
+
niceInsert(createMathInset(s.substr(1)));
return true;
}
+
bool MathCursor::script(bool up)
{
macroModeClose();
bool MathCursor::interpret(char c)
{
- //lyxerr << "interpret 2: '" << c << "'\n";
+ if (inMacroArgMode()) {
+ --pos();
+ plainErase();
+ int n = c - '0';
+ MathMacroTemplate * p = formula()->par()->asMacroTemplate();
+ if (p && 1 <= n && n <= p->numargs())
+ insert(MathAtom(new MathMacroArgument(c - '0')));
+ else {
+ insert(MathAtom(new MathSpecialCharInset('#')));
+ interpret(c); // try again
+ }
+ return true;
+ }
+
// handle macroMode
if (inMacroMode()) {
string name = macroName();
- if (name == "\\" && c == '#') {
- insert(c, LM_TC_TEX);
- return true;
- }
-
if (name == "\\" && c == '\\') {
backspace();
interpret("\\backslash");
return true;
}
- if (name == "\\#" && '1' <= c && c <= '9') {
- insert(c, LM_TC_TEX);
- macroModeClose();
- return true;
- }
-
if (isalpha(c)) {
insert(c, LM_TC_TEX);
return true;
}
macroModeClose();
+
+ if (c == '\\')
+ insert(c, LM_TC_TEX);
+ else if (c != ' ')
+ insert(c, lastcode_);
+
return true;
}
// fall through in the other cases
}
- if (lastcode_ == LM_TC_TEXTRM) {
+ if (lastcode_ == LM_TC_TEXTRM || par()->asBoxInset()) {
// 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...
prevAtom()->asSpaceInset()->incSpace();
return true;
}
- if (mathcursor->popRight())
+ if (popRight())
return true;
// if are at the very end, leave the formula
return pos() != size();
}
+ if (c == '#') {
+ insert(c, LM_TC_TEX);
+ return true;
+ }
+
/*
if (strchr("{}", c)) {
insert(c, LM_TC_TEX);
return true;
}
- if (strchr("#$%", c)) {
- insert(MathAtom(new MathSpecialCharInset(c)));
+ if (strchr("$%", c)) {
+ insert(MathAtom(new MathSpecialCharInset(c)));
lastcode_ = LM_TC_VAR;
return true;
}
if (c == '\\') {
insert(c, LM_TC_TEX);
//bv->owner()->message(_("TeX mode"));
- return true;
+ return true;
}
// no special circumstances, so insert the character without any fuss
- insert(c, lastcode_);
+ insert(c, lastcode_ == LM_TC_MIN ? MathCharInset::nativeCode(c) : lastcode_);
lastcode_ = LM_TC_MIN;
return true;
}
// delete everything behind this position
ar.erase(et - ar.begin(), ar.size());
- pos() = ar.size();
+ pos() = ar.size();
+}
+
+
+void MathCursor::setSelection(cursor_type const & where, size_type n)
+{
+ selection_ = true;
+ Anchor_ = where;
+ Cursor_ = where;
+ cursor().pos_ += n;
}
+string MathCursor::info() const
+{
+ ostringstream os;
+ if (pos() > 0)
+ prevAtom()->infoize(os);
+ return os.str();
+}
projects / lyx.git / blobdiff