* 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_specialcharinset.h"
#include "math_support.h"
+#include <algorithm>
+#include <cctype>
+
#define FILEDEBUG 0
using std::endl;
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)
+ std::swap(c1, c2);
+ r1 = p->row(i1.idx_);
+ r2 = p->row(i2.idx_);
+ if (r1 > r2)
+ std::swap(r1, r2);
+ }
+
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<MathInset::idx_type> indices =
- i1.par_->idxBetween(i1.idx_, i2.idx_);
- for (MathInset::idx_type i = 0; i < indices.size(); ++i)
- data_.push_back(i1.cell(indices[i]));
+ // 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);
+ }
}
}
if (i1.idx_ == i2.idx_)
i1.cell().erase(i1.pos_, i2.pos_);
else {
- std::vector<MathInset::idx_type> indices =
- i1.par_->idxBetween(i1.idx_, i2.idx_);
- for (unsigned i = 0; i < indices.size(); ++i)
- i1.cell(indices[i]).erase();
+ 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
{
- MathArray ar = glue();
- cursor.paste(ar);
+ 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
MathArray glue() const
{
MathArray ar;
- for (unsigned i = 0; i < data_.size(); ++i)
- ar.push_back(data_[i]);
+ for (unsigned i = 0; i < data_.nargs(); ++i)
+ ar.push_back(data_.cell(i));
return ar;
}
void clear()
{
- data_.clear();
+ data_ = MathGridInset(1, 1);
}
- std::vector<MathArray> data_;
+ MathGridInset data_;
};
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");
}
}
-void MathCursor::normalize() const
+void MathCursor::normalize()
{
-#ifdef WITH_WARNINGS
-#warning This is evil!
-#endif
- MathCursor * it = const_cast<MathCursor *>(this);
+ // 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();
+ }
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());
}
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;
}
-
-bool MathCursor::interpret(char c)
+bool MathCursor::script(bool up)
{
- //lyxerr << "interpret 2: '" << c << "'\n";
- if (c == '^' || c == '_') {
- macroModeClose();
- const bool up = (c == '^');
- selCut();
- if (hasPrevAtom() && prevAtom()->asScriptInset()) {
- prevAtom()->asScriptInset()->ensure(up);
- pushRight(prevAtom());
- idx() = up;
- pos() = size();
- } else if (hasNextAtom() && nextAtom()->asScriptInset()) {
- nextAtom()->asScriptInset()->ensure(up);
- pushLeft(nextAtom());
- idx() = up;
- pos() = 0;
- } else {
- plainInsert(MathAtom(new MathScriptInset(up)));
- prevAtom()->asScriptInset()->ensure(up);
- pushRight(prevAtom());
- idx() = up;
- pos() = 0;
- }
- selPaste();
- dump("1");
- return true;
+ macroModeClose();
+ selCut();
+ if (hasPrevAtom() && prevAtom()->asScriptInset()) {
+ prevAtom()->asScriptInset()->ensure(up);
+ pushRight(prevAtom());
+ idx() = up;
+ pos() = size();
+ } else if (hasNextAtom() && nextAtom()->asScriptInset()) {
+ nextAtom()->asScriptInset()->ensure(up);
+ pushLeft(nextAtom());
+ idx() = up;
+ pos() = 0;
+ } else {
+ plainInsert(MathAtom(new MathScriptInset(up)));
+ prevAtom()->asScriptInset()->ensure(up);
+ pushRight(prevAtom());
+ idx() = up;
+ pos() = 0;
}
+ selPaste();
+ dump("1");
+ return true;
+}
+bool MathCursor::interpret(char c)
+{
+ //lyxerr << "interpret 2: '" << c << "'\n";
// handle macroMode
if (inMacroMode()) {
string name = macroName();
return true;
}
- if (selection_)
+ if (selection_) {
selClear();
+ if (c == ' ')
+ return true;
+ // fall through in the other cases
+ }
- if (lastcode_ == LM_TC_TEXTRM) {
- // suppress direct insertion of to spaces in a row
+ 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
+ // it is better than nothing...
if (c == ' ' && hasPrevAtom() && prevAtom()->getChar() == ' ')
return true;
insert(c, LM_TC_TEXTRM);
prevAtom()->asSpaceInset()->incSpace();
return true;
}
-
- if (mathcursor->popRight())
+ if (popRight())
return true;
-
// if are at the very end, leave the formula
return pos() != size();
}
}
+void MathCursor::setSelection(cursor_type const & where, size_type n)
+{
+ selection_ = true;
+ Anchor_ = where;
+ Cursor_ = where;
+ cursor().pos_ += n;
+}
projects / lyx.git / blobdiff