#include "Dimension.h"
#include "Row.h"
-#include <map>
-#include <vector>
-
namespace lyx {
-/**
- * Each paragraph is broken up into a number of rows on the screen.
- * This is a list of such on-screen rows, ordered from the top row
- * downwards.
- */
-typedef std::vector<Row> RowList;
-
-class Buffer;
class BufferView;
-class BufferParams;
-class Font;
-class Inset;
class Paragraph;
-class MetricsInfo;
-class PainterInfo;
/// Helper class for paragraph metrics.
class ParagraphMetrics {
public:
/// Default constructor (only here for STL containers).
- ParagraphMetrics() : position_(0), par_(0) {}
+ ParagraphMetrics() {}
/// The only useful constructor.
explicit ParagraphMetrics(Paragraph const & par);
void reset(Paragraph const & par);
- ///
- Row & getRow(pos_type pos, bool boundary);
///
Row const & getRow(pos_type pos, bool boundary) const;
///
size_t pos2row(pos_type pos) const;
- /// BufferView::redoParagraph updates this
+ /// TextMetrics::redoParagraph updates this
Dimension const & dim() const { return dim_; }
Dimension & dim() { return dim_; }
/// total height of paragraph
RowList const & rows() const { return rows_; }
///
int rightMargin(BufferView const & bv) const;
+ ///
+ Paragraph const & par() const { return *par_; }
/// dump some information to lyxerr
void dump() const;
///
bool hfillExpansion(Row const & row, pos_type pos) const;
- ///
- size_t computeRowSignature(Row const &, BufferView const & bv) const;
-
- ///
- int position() const { return position_; }
+ /// The vertical position of the baseline of the first line of the paragraph
+ int position() const;
void setPosition(int position);
+ /// Set position to unknown
+ void resetPosition();
+ /// Return true when the position of the paragraph is known
+ bool hasPosition() const;
+ /// The vertical position of the top of the paragraph
+ int top() const { return position_ - dim_.ascent(); }
+ /// The vertical position of the bottom of the paragraph
+ int bottom() const { return position_ + dim_.descent(); }
+ ///
+ int id() const { return id_; }
private:
///
- int position_;
+ int position_ = 0;
+ ///
+ int id_ = -1;
///
mutable RowList rows_;
/// cached dimensions of paragraph
Dimension dim_;
///
- Paragraph const * par_;
+ Paragraph const * par_ = nullptr;
};
} // namespace lyx