* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
* \author Matthias Ettrich
* \author John Levon
- * \author André Pönitz
+ * \author André Pönitz
* \author Dekel Tsur
- * \author Jürgen Vigna
+ * \author Jürgen Vigna
*
* Full author contact details are available in file CREDITS.
*/
#define CURSORSLICE_H
#include "support/types.h"
+#include "support/strfwd.h"
#include "insets/Inset.h"
-#include <boost/signal.hpp>
-#include <boost/signals/trackable.hpp>
-
-#include <cstddef>
-#include <iosfwd>
-
namespace lyx {
// that of MathData and Text should vanish. They are conceptually the
// same (now...)
-class CursorSlice : public boost::signals::trackable {
+class CursorSlice {
public:
/// Those needs inset_ access.
///@{
///
CursorSlice();
///
- CursorSlice(CursorSlice const &);
- ///
explicit CursorSlice(Inset &);
- ///
- CursorSlice & operator=(CursorSlice const &);
- ///
- bool isValid() const;
+
+ /// comparison operators.
+ //@{
+ friend bool operator==(CursorSlice const &, CursorSlice const &);
+ friend bool operator!=(CursorSlice const &, CursorSlice const &);
+ friend bool operator<(CursorSlice const &, CursorSlice const &);
+ friend bool operator>(CursorSlice const &, CursorSlice const &);
+ friend bool operator<=(CursorSlice const &, CursorSlice const &);
+ //@}
/// the current inset
Inset & inset() const { return *inset_; }
pit_type pit() const { return pit_; }
/// set the offset of the paragraph this cursor is in
pit_type & pit() { return pit_; }
+ /// return the last paragraph offset within the ParagraphList
+ pit_type lastpit() const;
/// increments the paragraph this cursor is in
void incrementPar();
/// decrements the paragraph this cursor is in
/// texted specific stuff
///
/// returns text corresponding to this position
- Text * text() { return inset_->getText(idx_); }
- /// returns text corresponding to this position
- Text const * text() const { return inset_->getText(idx_); }
- /// paragraph in this cell
- Paragraph & paragraph();
+ Text * text() const { return inset_->getText(idx_); }
/// paragraph in this cell
- Paragraph const & paragraph() const;
+ Paragraph & paragraph() const;
///
/// mathed specific stuff
/// write some debug information to \p os
friend std::ostream & operator<<(std::ostream &, CursorSlice const &);
+ /// move to next position
+ void forwardPos();
+ /// move to previous position
+ void backwardPos();
+ /// move to next cell
+ void forwardIdx();
+ /// move to previous cell
+ void backwardIdx();
+ /// are we at the end of this slice
+ bool at_end() const;
+ /// are we at the start of this slice
+ bool at_begin() const;
+
private:
- ///
- void invalidate();
/// pointer to 'owning' inset. This is some kind of cache.
Inset * inset_;
idx_type idx_;
/// paragraph in this cell (used by texted)
pit_type pit_;
- /// true if 'pit' was properly initialized
- bool pit_valid_;
/// position in this cell
pos_type pos_;
};
-/// test for equality
-bool operator==(CursorSlice const &, CursorSlice const &);
-/// test for inequality
-bool operator!=(CursorSlice const &, CursorSlice const &);
-/// test for order
-bool operator<(CursorSlice const &, CursorSlice const &);
-/// test for order
-bool operator>(CursorSlice const &, CursorSlice const &);
-/// test for order
-bool operator<=(CursorSlice const &, CursorSlice const &);
-
} // namespace lyx