#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 contains(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,
- pos_type pos) const;
+ Font displayFont(pit_type pit, pos_type pos) const;
/// There are currently two font mechanisms in LyX:
/// 1. The font attributes in a lyxtext, and
/// 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;
+ /// Returns the height of the row (width member is set to 0).
+ /// If \c topBottomSpace is true, extra space is added for the
+ /// top and bottom row.
+ Dimension rowHeight(
+ pit_type const pit,
+ pos_type const first,
+ pos_type const end,
+ bool topBottomSpace = true) const;
+
private:
///
ParagraphMetrics & parMetrics(pit_type, bool redo_paragraph);
pit_type first
) const;
- /// sets row.width to the minimum space a row needs on the screen in pixel
+ /// returns the minimum space a row needs on the screen in pixel
int rowWidth(
int right_margin,
pit_type const pit,
pos_type const end
) const;
- /// Calculate and set the height of the row
- boost::tuple<int, int> rowHeight(
- pit_type const pit,
- pos_type const first,
- pos_type const end
- ) const;
-
/// draw selection for a single row
void drawRowSelection(PainterInfo & pi, int x, Row const & row,
DocIterator const & beg, DocIterator const & end,
int cursorY(CursorSlice const & cursor,
bool boundary) const;
- ///
- void cursorPrevious(Cursor & cur);
- ///
- void cursorNext(Cursor & cur);
///
bool cursorHome(Cursor & cur);
///
int leftMargin(int max_width, pit_type pit, pos_type pos) const;
int leftMargin(int max_width, pit_type pit) const;
+ /// calculates the position of a completion popup
+ void completionPosAndDim(Cursor const & cur, int & x, int & y,
+ Dimension & dim) const;
+
private:
+ friend class BufferView;
/// The BufferView owner.
BufferView * bv_;
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: