4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Matthias Ettrich
8 * \author Lars Gullik Bjønnes
10 * Full author contact details are available in file CREDITS.
12 * Metrics for an on-screen text row.
18 #include "support/types.h"
20 #include "Dimension.h"
26 * An on-screen row of text. A paragraph is broken into a
27 * RowList for display. Each Row contains position pointers
28 * into the first and last character positions of that row.
37 bool changed() const { return changed_; }
39 void setChanged(bool c) { changed_ = c; }
41 void setCrc(size_type crc) const;
42 /// Set the selection begin and end.
44 * This is const because we update the selection status only at draw()
47 void setSelection(pos_type sel_beg, pos_type sel_end) const;
52 pos_type pos() const { return pos_; }
54 void endpos(pos_type p);
56 pos_type endpos() const { return end_; }
58 void setDimension(Dimension const & dim);
60 Dimension const & dimension() const { return dim_; }
62 int height() const { return dim_.height(); }
64 int width() const { return dim_.wid; }
66 int ascent() const { return dim_.asc; }
68 int descent() const { return dim_.des; }
70 /// current debugging only
71 void dump(char const * = "") const;
73 /// width of a separator (i.e. space)
75 /// width of hfills in the label
77 /// the x position of the row
80 mutable pos_type sel_beg;
82 mutable pos_type sel_end;
84 /// has the Row appearance changed since last drawing?
85 mutable bool changed_;
86 /// CRC of row contents.
87 mutable size_type crc_;
88 /// first pos covered by this row
90 /// one behind last pos covered by this row