#ifndef PARAGRAPH_METRICS_H
#define PARAGRAPH_METRICS_H
-#include "paragraph.h"
+#include "Dimension.h"
+#include "Paragraph.h"
+#include "Row.h"
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 MetricsInfo;
class PainterInfo;
ParagraphMetrics(): par_(0) {};
/// The only useful constructor.
ParagraphMetrics(Paragraph const & par);
+
+ /// Copy operator.
+ ParagraphMetrics & operator=(ParagraphMetrics const &);
+
+ void reset(Paragraph const & par);
+
///
Row & getRow(pos_type pos, bool boundary);
///
Dimension const & dim() const { return dim_; }
Dimension & dim() { return dim_; }
/// total height of paragraph
- unsigned int height() const { return dim_.height(); }
+ int height() const { return dim_.height(); }
/// total width of paragraph, may differ from workwidth
- unsigned int width() const { return dim_.width(); }
+ int width() const { return dim_.width(); }
/// ascend of paragraph above baseline
- unsigned int ascent() const { return dim_.ascent(); }
+ int ascent() const { return dim_.ascent(); }
/// descend of paragraph below baseline
- unsigned int descent() const { return dim_.descent(); }
- /// LyXText updates the rows using this access point
+ int descent() const { return dim_.descent(); }
+ /// Text updates the rows using this access point
RowList & rows() { return rows_; }
/// The painter and others use this
RowList const & rows() const { return rows_; }
///
- RowSignature & rowSignature() const { return rowSignature_; }
- ///
int rightMargin(Buffer const & buffer) const;
+ ///
+ int singleWidth(pos_type pos, Font const & Font) const;
/// dump some information to lyxerr
void dump() const;
+ ///
+ bool hfillExpansion(Row const & row, pos_type pos) const;
+
+ ///
+ void computeRowSignature(Row &, BufferParams const & bparams);
+
+ ///
+ int position() const { return position_; }
+ void setPosition(int position);
+
+
private:
///
- mutable RowList rows_;
+ int position_;
///
- mutable RowSignature rowSignature_;
+ mutable RowList rows_;
/// cached dimensions of paragraph
Dimension dim_;
///