X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fcursor_slice.C;h=f891844e196547906fa8ac0d54d414290325c0ab;hb=32d281cba0a2e4d0e8425a34a1a8d1f5e7251412;hp=ce9b4605c392a04c5f669785ee775dfaa67b286c;hpb=f7b38dbdc55ed671af3a7f78c931a92b4c431f27;p=lyx.git

diff --git a/src/cursor_slice.C b/src/cursor_slice.C
index ce9b4605c3..f891844e19 100644
--- a/src/cursor_slice.C
+++ b/src/cursor_slice.C
@@ -15,6 +15,8 @@
 
 #include "cursor_slice.h"
 #include "debug.h"
+#include "lyxtext.h"
+#include "paragraph.h"
 
 #include "mathed/math_inset.h"
 #include "mathed/math_data.h"
@@ -32,130 +34,129 @@ CursorSlice::CursorSlice()
 {}
 
 
-CursorSlice::CursorSlice(InsetBase * p)
-	: inset_(p), idx_(0), par_(0), pos_(0), boundary_(false)
+CursorSlice::CursorSlice(InsetBase & p)
+	: inset_(&p), idx_(0), par_(0), pos_(0), boundary_(false)
 {
-	///BOOST_ASSERT(inset_);
+	BOOST_ASSERT(inset_);
 }
 
 
-void CursorSlice::idx(idx_type idx)
+size_t CursorSlice::nargs() const
 {
-	idx_ = idx;
+	BOOST_ASSERT(inset_);
+	return inset_->nargs();
 }
 
 
-CursorSlice::idx_type CursorSlice::idx() const
+size_t CursorSlice::nrows() const
 {
-	return idx_;
+	BOOST_ASSERT(inset_);
+	return inset_->nrows();
 }
 
 
-void CursorSlice::par(par_type par)
+size_t CursorSlice::ncols() const
 {
-	par_ = par;
+	BOOST_ASSERT(inset_);
+	return inset_->ncols();
 }
 
 
-CursorSlice::par_type CursorSlice::par() const
+CursorSlice::pos_type CursorSlice::lastpos() const
 {
-	return par_;
+	BOOST_ASSERT(inset_);
+	return inset_->asMathInset() ? cell().size() : paragraph().size();
 }
 
 
-void CursorSlice::pos(pos_type pos)
+CursorSlice::row_type CursorSlice::row() const
 {
-	pos_ = pos;
-}
-
-
-CursorSlice::pos_type CursorSlice::pos() const
-{
-	return pos_;
-}
-
-
-void CursorSlice::boundary(bool boundary)
-{
-	boundary_ = boundary;
+	BOOST_ASSERT(asMathInset());
+	return asMathInset()->row(idx_);
 }
 
 
-bool CursorSlice::boundary() const
+CursorSlice::col_type CursorSlice::col() const
 {
-	return boundary_;
+	BOOST_ASSERT(asMathInset());
+	return asMathInset()->col(idx_);
 }
 
 
 MathInset * CursorSlice::asMathInset() const
 {
-	return inset_ ? inset_->asMathInset() : 0;
+	BOOST_ASSERT(inset_);
+	return inset_->asMathInset();
 }
 
 
 UpdatableInset * CursorSlice::asUpdatableInset() const
 {
-	return inset_ ? inset_->asUpdatableInset() : 0;
+	BOOST_ASSERT(inset_);
+	return inset_->asUpdatableInset();
 }
 
 
-void CursorSlice::cell(CursorSlice::idx_type idx) const
+MathArray & CursorSlice::cell() const
 {
 	BOOST_ASSERT(asMathInset());
-	asMathInset()->cell(idx);
+	return asMathInset()->cell(idx_);
 }
 
 
-MathArray & CursorSlice::cell() const
+LyXText * CursorSlice::text() const
 {
-	BOOST_ASSERT(asMathInset());
-	return asMathInset()->cell(idx_);
+	BOOST_ASSERT(inset_);
+	return inset_->getText(idx_);
 }
 
 
-void CursorSlice::getScreenPos(int & x, int & y) const
+Paragraph & CursorSlice::paragraph()
 {
-	BOOST_ASSERT(asMathInset());
-	asMathInset()->getScreenPos(idx_, pos_, x, y);
+	// access to the main lyx text must be handled in the cursor
+	BOOST_ASSERT(text());
+	return text()->getPar(par_);
 }
 
 
-LyXText * CursorSlice::text() const
+Paragraph const & CursorSlice::paragraph() const
 {
-	return asUpdatableInset() ? asUpdatableInset()->getText(idx_) : 0;
+	// access to the main lyx text must be handled in the cursor
+	BOOST_ASSERT(text());
+	return text()->getPar(par_);
 }
 
 
 bool operator==(CursorSlice const & p, CursorSlice const & q)
 {
-	return p.inset_ == q.inset_
-	       && p.idx_ == q.idx_
-	       && p.par_ == q.par_
-	       && p.pos_ == q.pos_;
+	return &p.inset() == &q.inset()
+	       && p.idx() == q.idx()
+	       && p.par() == q.par()
+	       && p.pos() == q.pos();
 }
 
 
 bool operator!=(CursorSlice const & p, CursorSlice const & q)
 {
-	return p.inset_ != q.inset_
-	       || p.idx_ != q.idx_
-	       || p.par_ != q.par_
-	       || p.pos_ != q.pos_;
+	return &p.inset() != &q.inset()
+	       || p.idx() != q.idx()
+	       || p.par() != q.par()
+	       || p.pos() != q.pos();
 }
 
 
 bool operator<(CursorSlice const & p, CursorSlice const & q)
 {
-	if (p.inset_ != q.inset_) {
+	if (&p.inset() != &q.inset()) {
 		lyxerr << "can't compare cursor and anchor in different insets\n"
 		       << "p: " << p << '\n' << "q: " << q << endl;
-		return true;
+		BOOST_ASSERT(false);
 	}
-	if (p.idx_ != q.idx_)
-		return p.idx_ < q.idx_;
-	if (p.par_ != q.par_)
-		return p.par_ < q.par_;
-	return p.pos_ < q.pos_;
+	if (p.idx() != q.idx())
+		return p.idx() < q.idx();
+	if (p.par() != q.par())
+		return p.par() < q.par();
+	return p.pos() < q.pos();
 }
 
 
@@ -165,76 +166,21 @@ bool operator>(CursorSlice const & p, CursorSlice const & q)
 }
 
 
-std::ostream & operator<<(std::ostream & os, CursorSlice const & item)
+bool operator<=(CursorSlice const & p, CursorSlice const & q)
 {
-	os << " inset: " << item.inset_
-	   << " text: " << item.text()
-	   << " idx: " << item.idx_
-	   << " par: " << item.par_
-	   << " pos: " << item.pos_
-//	   << " x: " << item.inset_->x()
-//	   << " y: " << item.inset_->y()
-;
-	return os;
+	return !(q < p);
 }
 
 
-
-
-void increment(CursorBase & it)
-{
-	CursorSlice & top = it.back();
-	MathArray   & ar  = top.asMathInset()->cell(top.idx_);
-
-	// move into the current inset if possible
-	// it is impossible for pos() == size()!
-	MathInset * n = 0;
-	if (top.pos_ != ar.size())
-		n = (ar.begin() + top.pos_)->nucleus();
-	if (n && n->isActive()) {
-		it.push_back(CursorSlice(n));
-		return;
-	}
-
-	// otherwise move on one cell back if possible
-	if (top.pos_ < ar.size()) {
-		// pos() == size() is valid!
-		++top.pos_;
-		return;
-	}
-
-	// otherwise try to move on one cell if possible
-	while (top.idx_ + 1 < top.asMathInset()->nargs()) {
-		// idx() == nargs() is _not_ valid!
-		++top.idx_;
-		if (top.asMathInset()->validCell(top.idx_)) {
-			top.pos_ = 0;
-			return;
-		}
-	}
-
-	// otherwise leave array, move on one back
-	// this might yield pos() == size(), but that's a ok.
-	it.pop_back();
-	// it certainly invalidates top
-	++it.back().pos_;
-}
-
-
-CursorBase ibegin(InsetBase * p)
-{
-	CursorBase it;
-	it.push_back(CursorSlice(p));
-	return it;
-}
-
-
-CursorBase iend(InsetBase * p)
+std::ostream & operator<<(std::ostream & os, CursorSlice const & item)
 {
-	CursorBase it;
-	it.push_back(CursorSlice(p));
-	CursorSlice & top = it.back();
-	top.idx_ = top.asMathInset()->nargs() - 1;
-	top.pos_ = top.asMathInset()->cell(top.idx_).size();
-	return it;
+	return os
+	   << "inset: " << &item.inset()
+//	   << " text: " << item.text()
+	   << " idx: " << item.idx()
+	   << " par: " << item.par()
+	   << " pos: " << item.pos()
+//	   << " x: " << item.inset().x()
+//	   << " y: " << item.inset().y()
+;
 }