#include <config.h>
#include "Row.h"
+
+#include "DocIterator.h"
+
#include "support/debug.h"
Row::Row()
: separator(0), label_hfill(0), x(0),
- sel_beg(-1), sel_end(-1), changed_(false), crc_(0), pos_(0), end_(0)
-{}
-
-
-Row::Row(pos_type pos)
- : separator(0), label_hfill(0), x(0),
- sel_beg(-1), sel_end(-1), changed_(false), crc_(0), pos_(pos), end_(0)
+ sel_beg(-1), sel_end(-1),
+ left_margin_sel(false), right_margin_sel(false),
+ changed_(false), crc_(0), pos_(0), end_(0)
{}
}
-void Row::setSelection(pos_type beg, pos_type end)
+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()) {
+ right_margin_sel = isMarginSelected(false, beg, end);
+ left_margin_sel = isMarginSelected(true, beg, end);
+ }
+}
+
+
+void Row::setSelection(pos_type beg, pos_type end) const
{
if (pos_ >= beg && pos_ <= end)
sel_beg = pos_;
}
+bool Row::selection() const
+{
+ return sel_beg != -1 && sel_end != -1;
+}
+
+
void Row::dump(char const * s) const
{
LYXERR0(s << " pos: " << pos_ << " end: " << end_