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 "LColor.h"
#include "lyxtext.h"
#include "metricsinfo.h"
#include "paragraph.h"
#include "paragraph_funcs.h"
#include "frontends/font_metrics.h"
#include "frontends/Painter.h"
using std::endl;
using std::ostream;
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);
dim_ = dim;
}
int InsetNewline::latex(Buffer const &, ostream &,
OutputParams const &) const
{
lyxerr << "Eek, calling InsetNewline::latex !" << endl;
return 0;
}
int InsetNewline::plaintext(Buffer const &, ostream & os,
OutputParams const &) const
{
os << '\n';
return 0;
}
int InsetNewline::linuxdoc(Buffer const &, std::ostream & os,
OutputParams const &) const
{
os << '\n';
return 0;
}
int InsetNewline::docbook(Buffer const &, std::ostream & os,
OutputParams const &) const
{
os << '\n';
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);
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 (pi.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 (pi.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);
}
bool InsetNewline::isSpace() const
{
return true;
}