#include <config.h>
#include "CursorSlice.h"
+
#include "debug.h"
#include "Text.h"
#include "Paragraph.h"
+#include "insets/Inset.h"
+
#include "mathed/InsetMath.h"
#include "mathed/MathData.h"
#include <boost/assert.hpp>
+#include <boost/bind.hpp>
namespace lyx {
: inset_(&p), idx_(0), pit_(0), pos_(0)
{
BOOST_ASSERT(inset_);
+ inset_->destroyed.connect(
+ boost::bind(&CursorSlice::invalidate, this));
+}
+
+
+CursorSlice::CursorSlice(CursorSlice const & cs)
+{
+ operator=(cs);
+}
+
+
+CursorSlice & CursorSlice::operator=(CursorSlice const & cs)
+{
+ inset_ = cs.inset_;
+ idx_ = cs.idx_;
+ pit_ = cs.pit_;
+ pos_ = cs.pos_;
+ if (inset_) {
+ BOOST_ASSERT(inset_);
+ inset_->destroyed.connect(
+ boost::bind(&CursorSlice::invalidate, this));
+ }
+ return *this;
+}
+
+
+void CursorSlice::invalidate()
+{
+ inset_ = 0;
+}
+
+
+bool CursorSlice::isValid() const
+{
+ return inset_ != 0;
}
bool operator==(CursorSlice const & p, CursorSlice const & q)
{
- return p.inset_ == q.inset_
+ return &p.inset() == &q.inset()
&& p.idx() == q.idx()
&& p.pit() == q.pit()
&& p.pos() == q.pos();
bool operator!=(CursorSlice const & p, CursorSlice const & q)
{
- return p.inset_ != q.inset_
+ return &p.inset() != &q.inset()
|| p.idx() != q.idx()
|| p.pit() != q.pit()
|| p.pos() != q.pos();