+void Row::setCrc(size_type crc) const
+{
+ changed_ = crc != crc_;
+ crc_ = crc;
+}
+
+
+bool Row::isMarginSelected(bool left_margin, DocIterator const & beg,
+ DocIterator const & end) const
+{
+ pos_type const sel_pos = left_margin ? sel_beg : sel_end;
+ pos_type const margin_pos = left_margin ? pos_ : end_;
+
+ // Is the chosen margin selected ?
+ if (sel_pos == margin_pos) {
+ if (beg.pos() == end.pos())
+ // This is a special case in which the space between after
+ // pos i-1 and before pos i is selected, i.e. the margins
+ // (see DocIterator::boundary_).
+ return beg.boundary() && !end.boundary();
+ else if (end.pos() == margin_pos)
+ // If the selection ends around the margin, it is only
+ // drawn if the cursor is after the margin.
+ return !end.boundary();
+ else if (beg.pos() == margin_pos)
+ // If the selection begins around the margin, it is
+ // only drawn if the cursor is before the margin.
+ return beg.boundary();
+ else
+ return true;
+ }
+ return false;
+}
+
+
+void Row::setSelectionAndMargins(DocIterator const & beg,
+ DocIterator const & end) const
+{
+ setSelection(beg.pos(), end.pos());
+
+ if (selection()) {
+ end_margin_sel = isMarginSelected(false, beg, end);
+ begin_margin_sel = isMarginSelected(true, beg, end);
+ }
+}
+
+
+void Row::setSelection(pos_type beg, pos_type end) const
+{
+ if (pos_ >= beg && pos_ <= end)
+ sel_beg = pos_;
+ else if (beg > pos_ && beg <= end_)
+ sel_beg = beg;
+ else
+ sel_beg = -1;
+
+ if (end_ >= beg && end_ <= end)
+ sel_end = end_;
+ else if (end < end_ && end >= pos_)
+ sel_end = end;
+ else
+ sel_end = -1;
+}
+
+
+bool Row::selection() const
+{
+ return sel_beg != -1 && sel_end != -1;
+}
+
+
+ostream & operator<<(ostream & os, Row::Element const & e)
+{
+ if (e.isRTL())
+ os << e.endpos << "<<" << e.pos << " ";
+ else
+ os << e.pos << ">>" << e.endpos << " ";
+
+ switch (e.type) {
+ case Row::STRING:
+ os << "STRING: `" << to_utf8(e.str) << "' ("
+ << e.countSeparators() << " sep.), ";
+ break;
+ case Row::VIRTUAL:
+ os << "VIRTUAL: `" << to_utf8(e.str) << "', ";
+ break;
+ case Row::INSET:
+ os << "INSET: " << to_utf8(e.inset->layoutName()) << ", ";
+ break;
+ case Row::SPACE:
+ os << "SPACE: ";
+ break;
+ }
+ os << "width=" << e.full_width();
+ return os;
+}
+
+
+ostream & operator<<(ostream & os, Row const & row)
+{
+ os << " pos: " << row.pos_ << " end: " << row.end_
+ << " left_margin: " << row.left_margin
+ << " width: " << row.dim_.wid
+ << " right_margin: " << row.right_margin
+ << " ascent: " << row.dim_.asc
+ << " descent: " << row.dim_.des
+ << " separator: " << row.separator
+ << " label_hfill: " << row.label_hfill
+ << " row_boundary: " << row.right_boundary() << "\n";
+ double x = row.left_margin;
+ Row::Elements::const_iterator it = row.elements_.begin();
+ for ( ; it != row.elements_.end() ; ++it) {
+ os << "x=" << x << " => " << *it << endl;
+ x += it->full_width();
+ }
+ return os;
+}
+
+
+int Row::left_x() const
+{
+ double x = left_margin;
+ const_iterator const end = elements_.end();
+ const_iterator cit = elements_.begin();
+ while (cit != end && cit->isVirtual()) {
+ x += cit->full_width();
+ ++cit;
+ }
+ return int(x + 0.5);
+}
+
+
+int Row::right_x() const
+{
+ double x = dim_.wid;
+ const_iterator const begin = elements_.begin();
+ const_iterator cit = elements_.end();
+ while (cit != begin) {
+ --cit;
+ if (cit->isVirtual())
+ x -= cit->full_width();
+ else
+ break;
+ }
+ return int(x + 0.5);
+}
+
+
+int Row::countSeparators() const
+{
+ int n = 0;
+ const_iterator const end = elements_.end();
+ for (const_iterator cit = elements_.begin() ; cit != end ; ++cit)
+ n += cit->countSeparators();
+ return n;
+}