lyx_mirror/src/insets/insetnewline.C

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/**
* \file insetnewline.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
*
* Full author contact details are available in file CREDITS
*/
#include <config.h>
#include "insetnewline.h"
#include "BufferView.h"
#include "debug.h"
#include "dimension.h"
#include "paragraph.h"
#include "lyxtext.h"
#include "metricsinfo.h"
#include "support/LOstream.h"
#include "frontends/Painter.h"
#include "frontends/font_metrics.h"
using std::ostream;
using std::endl;
void InsetNewline::read(Buffer const *, LyXLex &)
{
/* Nothing to read */
}
void InsetNewline::write(Buffer const *, ostream & os) const
{
os << "\n\\newline \n";
}
void InsetNewline::metrics(MetricsInfo & mi, Dimension & dim) const
{
LyXFont & font = mi.base.font;
dim.asc = font_metrics::maxAscent(font);
dim.des = font_metrics::maxDescent(font);
dim.wid = font_metrics::width('n', font);
}
int InsetNewline::latex(Buffer const *, ostream &,
LatexRunParams const &) const
{
lyxerr << "Eek, calling InsetNewline::latex !" << endl;
return 0;
}
int InsetNewline::ascii(Buffer const *, ostream & os, int) const
{
os << '\n';
return 0;
}
int InsetNewline::linuxdoc(Buffer const *, std::ostream &) const
{
/* FIXME */
return 0;
}
int InsetNewline::docbook(Buffer const *, std::ostream &, bool) const
{
/* FIXME */
return 0;
}
void InsetNewline::draw(PainterInfo & pi, int x, int y) const
{
int const wid = font_metrics::width('n', pi.base.font);
int const asc = font_metrics::maxAscent(pi.base.font);
// hack, and highly dubious
lyx::pos_type pos = parOwner()->getPositionOfInset(this);
bool const ltr_pos = (pi.base.bv->text->bidi_level(pos) % 2 == 0);
int xp[3];
int yp[3];
yp[0] = int(y - 0.875 * asc * 0.75);
yp[1] = int(y - 0.500 * asc * 0.75);
yp[2] = int(y - 0.125 * asc * 0.75);
if (ltr_pos) {
xp[0] = int(x + wid * 0.375);
xp[1] = int(x);
xp[2] = int(x + wid * 0.375);
} else {
xp[0] = int(x + wid * 0.625);
xp[1] = int(x + wid);
xp[2] = int(x + wid * 0.625);
}
pi.pain.lines(xp, yp, 3, LColor::eolmarker);
yp[0] = int(y - 0.500 * asc * 0.75);
yp[1] = int(y - 0.500 * asc * 0.75);
yp[2] = int(y - asc * 0.75);
if (ltr_pos) {
xp[0] = int(x);
xp[1] = int(x + wid);
xp[2] = int(x + wid);
} else {
xp[0] = int(x + wid);
xp[1] = int(x);
xp[2] = int(x);
}
pi.pain.lines(xp, yp, 3, LColor::eolmarker);
}