#ifndef LYXCURSOR_H
#define LYXCURSOR_H
-#ifdef __GNUG__
-#pragma interface
-#endif
-
+#include "RowList.h"
+#include "ParagraphList.h"
#include "support/types.h"
-class Paragraph;
-class Row;
-
-/**
+/**
* The cursor class describes the position of a cursor within a document.
* Several cursors exist within LyX; for example, when locking an inset,
* the position of the cursor in the containing inset is stored.
public:
LyXCursor();
/// set the paragraph that contains this cursor
- void par(Paragraph * p);
+ void par(ParagraphList::iterator pit);
/// return the paragraph this cursor is in
- Paragraph * par() const;
+ ParagraphList::iterator par() const;
/// set the position within the paragraph
void pos(lyx::pos_type p);
/// return the position within the paragraph
* blah blah blah blah blah blah
*
* When we move onto row 3, we would like to be vertically aligned
- * with where we were in row 1, despite the fact that row 2 is
+ * with where we were in row 1, despite the fact that row 2 is
* shorter than x()
*/
int x_fix() const;
*/
int iy() const;
/// set the row of the paragraph the cursor is in
- void row(Row * r);
+ void row(RowList::iterator r);
/// return the row of the paragraph this cursor is in
- Row * row() const;
+ RowList::iterator row() const;
/// set the stored next row
- void irow(Row * r);
+ void irow(RowList::iterator r);
/**
* Return the next row, when this
* cursor is at the end of the previous row, for insets that take
*
* FIXME: explain why we need this ? especially for y...
*/
- Row * irow() const;
+ RowList::iterator irow() const;
private:
/// The paragraph the cursor is in.
- Paragraph * par_;
+ ParagraphList::iterator par_;
/// The position inside the paragraph
lyx::pos_type pos_;
- /// FIXME
+ /**
+ * When the cursor position is i, is the cursor is after the i-th char
+ * or before the i+1-th char ? Normally, these two interpretations are
+ * equivalent, except when the fonts of the i-th and i+1-th char
+ * differ.
+ * We use boundary_ to distinguish between the two options:
+ * If boundary_=true, then the cursor is after the i-th char
+ * and if boundary_=false, then the cursor is before the i+1-th char.
+ *
+ * We currently use the boundary only when the language direction of
+ * the i-th char is different than the one of the i+1-th char.
+ * In this case it is important to distinguish between the two
+ * cursor interpretations, in order to give a reasonable behavior to
+ * the user.
+ */
bool boundary_;
/// the pixel x position
int x_;
- /// the stored next-row x position
+ /// the stored next-row x position
int ix_;
/// the cached x position
int x_fix_;
/// the stored next-row y position
int iy_;
/// the containing row
- Row * row_;
- /// the containing row for the next line
- Row * irow_;
+ RowList::iterator row_;
+ /// the containing row for the next line
+ RowList::iterator irow_;
};
/// these three dictate the others