#define TEXT_METRICS_H
#include "Font.h"
+// FIXME: We only need Point class definition, not the full CoordCache.
+#include "CoordCache.h"
#include "ParagraphMetrics.h"
#include "support/types.h"
-#include <boost/utility.hpp>
#include <boost/tuple/tuple.hpp>
-#include <map>
-
-
namespace lyx {
class BufferView;
+class Cursor;
+class CursorSlice;
class DocIterator;
class MetricsInfo;
class Text;
{
public:
/// Default constructor (only here for STL containers).
- TextMetrics(): text_(0) {}
+ TextMetrics() : text_(0) {}
/// The only useful constructor.
TextMetrics(BufferView *, Text *);
+
+ ///
+ bool has(pit_type pit) const;
///
ParagraphMetrics const & parMetrics(pit_type) const;
///
- Dimension const & dimension() const;
- Dimension const & dimension();
+ std::pair<pit_type, ParagraphMetrics const *> first() const;
+ ///
+ std::pair<pit_type, ParagraphMetrics const *> last() const;
+
+ ///
+ int parPosition(pit_type pit) const;
+
+ ///
+ Dimension const & dimension() const { return dim_; }
+ ///
+ Point const & origin() const { return origin_; }
+
/// compute text metrics.
- bool metrics(MetricsInfo & mi, Dimension & dim);
+ bool metrics(MetricsInfo & mi, Dimension & dim, int min_width = 0);
+
+ ///
+ void newParMetricsDown();
+ ///
+ void newParMetricsUp();
/// Gets the fully instantiated font at a given position in a paragraph
/// Basically the same routine as Paragraph::getFont() in Paragraph.cpp.
/// The difference is that this one is used for displaying, and thus we
/// are allowed to make cosmetic improvements. For instance make footnotes
/// smaller. (Asger)
- Font getDisplayFont(Paragraph const & par,
+ Font getDisplayFont(pit_type pit,
pos_type pos) const;
/// There are currently two font mechanisms in LyX:
/// is this position in the paragraph right-to-left?
bool isRTL(CursorSlice const & sl, bool boundary) const;
/// is between pos-1 and pos an RTL<->LTR boundary?
- bool isRTLBoundary(Paragraph const & par,
+ bool isRTLBoundary(pit_type pit,
pos_type pos) const;
/// would be a RTL<->LTR boundary between pos and the given font?
- bool isRTLBoundary(Paragraph const & par,
+ bool isRTLBoundary(pit_type pit,
pos_type pos, Font const & font) const;
/** this calculates the specified parameters. needed when setting
* the cursor and when creating a visible row */
- void computeRowMetrics(pit_type pit, Row & row) const;
+ void computeRowMetrics(pit_type pit, Row & row, int width) const;
///
void draw(PainterInfo & pi, int x, int y) const;
- /// draw textselection
- void drawSelection(PainterInfo & pi, int x, int y) const;
void drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const;
///
ParagraphMetrics & parMetrics(pit_type, bool redo_paragraph);
+ /// draw textselection.
+ /// FIXME: simplify to just to single row painting.
+ void drawSelection(PainterInfo & pi,
+ DocIterator const & beg, ///< selection begin.
+ DocIterator const & end, ///< selection end.
+ int x) const;
+
/// the minimum space a manual label needs on the screen in pixels
int labelFill(pit_type const pit, Row const & row) const;
mutable ParMetricsCache par_metrics_;
Dimension dim_;
int max_width_;
-
- /// FIXME: transfer this code in CoordCache here.
- /*
- /// A map from paragraph index number to screen point
- typedef std::map<pit_type, Point> InnerParPosCache;
- /// A map from a Text to the map of paragraphs to screen points
- typedef std::map<Text const *, InnerParPosCache> ParPosCache;
- /// Paragraph grouped by owning text
- ParPosCache pars_;
- */
+ mutable Point origin_;
// temporary public:
public: