mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-09-21 15:18:45 +00:00
f1cba8ff64
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27425 a592a061-630c-0410-9148-cb99ea01b6c8
136 lines
2.6 KiB
C++
136 lines
2.6 KiB
C++
/**
|
|
* \file Row.cpp
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author unknown
|
|
* \author Lars Gullik Bjønnes
|
|
* \author John Levon
|
|
* \author André Pönitz
|
|
* \author Jürgen Vigna
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*
|
|
* Metrics for an on-screen text row.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "Row.h"
|
|
|
|
#include "DocIterator.h"
|
|
|
|
#include "support/debug.h"
|
|
|
|
|
|
namespace lyx {
|
|
|
|
|
|
Row::Row()
|
|
: separator(0), label_hfill(0), x(0),
|
|
sel_beg(-1), sel_end(-1),
|
|
begin_margin_sel(false), end_margin_sel(false),
|
|
changed_(false), crc_(0), pos_(0), end_(0)
|
|
{}
|
|
|
|
|
|
void Row::setCrc(size_type crc) const
|
|
{
|
|
changed_ = crc != crc_;
|
|
crc_ = crc;
|
|
}
|
|
|
|
|
|
void Row::setDimension(Dimension const & dim)
|
|
{
|
|
dim_ = dim;
|
|
}
|
|
|
|
|
|
void Row::pos(pos_type p)
|
|
{
|
|
pos_ = p;
|
|
}
|
|
|
|
|
|
void Row::endpos(pos_type p)
|
|
{
|
|
end_ = p;
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
void Row::dump(char const * s) const
|
|
{
|
|
LYXERR0(s << " pos: " << pos_ << " end: " << end_
|
|
<< " width: " << dim_.wid
|
|
<< " ascent: " << dim_.asc
|
|
<< " descent: " << dim_.des);
|
|
}
|
|
|
|
|
|
} // namespace lyx
|