lyx_mirror/src/insets/InsetSeparator.cpp
Yuriy Skalko ecf62a8f21 Refactor OutputParams
Now all Inset hierarchy uses OutputParams.h included in Inset.h.
Forward declare some enums to reduce header dependencies.
2020-11-30 13:05:03 +02:00

315 lines
6.1 KiB
C++

/**
* \file InsetSeparator.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Enrico Forestieri
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetSeparator.h"
#include "Cursor.h"
#include "Dimension.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "Lexer.h"
#include "MetricsInfo.h"
#include "output_docbook.h"
#include "output_xhtml.h"
#include "texstream.h"
#include "frontends/Application.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "support/debug.h"
#include "support/docstream.h"
#include "support/docstring.h"
using namespace std;
using namespace lyx::frontend;
namespace lyx {
InsetSeparator::InsetSeparator() : Inset(nullptr)
{}
InsetSeparator::InsetSeparator(InsetSeparatorParams const & params)
: Inset(nullptr), params_(params)
{}
void InsetSeparatorParams::write(ostream & os) const
{
switch (kind) {
case InsetSeparatorParams::PLAIN:
os << "plain";
break;
case InsetSeparatorParams::PARBREAK:
os << "parbreak";
break;
case InsetSeparatorParams::LATEXPAR:
os << "latexpar";
break;
}
}
void InsetSeparatorParams::read(Lexer & lex)
{
string token;
lex.setContext("InsetSeparatorParams::read");
lex >> token;
if (token == "plain")
kind = InsetSeparatorParams::PLAIN;
else if (token == "parbreak")
kind = InsetSeparatorParams::PARBREAK;
else if (token == "latexpar")
kind = InsetSeparatorParams::LATEXPAR;
else
lex.printError("Unknown kind: `$$Token'");
}
void InsetSeparator::write(ostream & os) const
{
os << "Separator ";
params_.write(os);
}
void InsetSeparator::read(Lexer & lex)
{
params_.read(lex);
lex >> "\\end_inset";
}
void InsetSeparator::doDispatch(Cursor & cur, FuncRequest & cmd)
{
switch (cmd.action()) {
case LFUN_INSET_MODIFY: {
InsetSeparatorParams params;
cur.recordUndo();
string2params(to_utf8(cmd.argument()), params);
params_.kind = params.kind;
break;
}
default:
Inset::doDispatch(cur, cmd);
break;
}
}
bool InsetSeparator::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & status) const
{
switch (cmd.action()) {
// we handle these
case LFUN_INSET_MODIFY: {
if (cmd.getArg(0) != "separator")
break;
InsetSeparatorParams params;
string2params(to_utf8(cmd.argument()), params);
status.setOnOff(params_.kind == params.kind);
status.setEnabled(true);
return true;
}
default:
return Inset::getStatus(cur, cmd, status);
}
return false;
}
ColorCode InsetSeparator::ColorName() const
{
return Color_latex;
}
void InsetSeparator::latex(otexstream & os, OutputParams const & runparams) const
{
// Do nothing if a paragraph break was just output
if (!os.afterParbreak()) {
switch (params_.kind) {
case InsetSeparatorParams::PLAIN:
os << breakln << "%\n";
break;
case InsetSeparatorParams::PARBREAK:
case InsetSeparatorParams::LATEXPAR:
if (runparams.inDeletedInset)
os << breakln << "}\n\n{";
else
os << breakln << "\n";
break;
default:
os << breakln << "%\n";
break;
}
}
}
int InsetSeparator::plaintext(odocstringstream & os,
OutputParams const &, size_t) const
{
os << '\n';
return PLAINTEXT_NEWLINE;
}
void InsetSeparator::docbook(XMLStream & xs, OutputParams const &) const
{
xs << xml::CR();
}
docstring InsetSeparator::xhtml(XMLStream & xs, OutputParams const &) const
{
xs << xml::CR() << xml::CompTag("br") << xml::CR();
return docstring();
}
void InsetSeparator::metrics(MetricsInfo & mi, Dimension & dim) const
{
frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
dim.asc = fm.maxAscent();
dim.des = fm.maxDescent();
dim.wid = fm.width('n');
if (params_.kind != InsetSeparatorParams::LATEXPAR)
dim.wid *= 8;
}
void InsetSeparator::draw(PainterInfo & pi, int x, int y) const
{
FontInfo font;
font.setColor(ColorName());
frontend::FontMetrics const & fm = theFontMetrics(pi.base.font);
int const wid = fm.width('n');
int const asc = fm.maxAscent();
int xp[7];
int yp[7];
if (params_.kind != InsetSeparatorParams::LATEXPAR) {
yp[0] = int(y - 0.500 * asc * 0.75);
yp[1] = yp[0];
xp[0] = int(x);
xp[1] = int(x + wid * 8);
pi.pain.lines(xp, yp, 2, ColorName());
if (params_.kind == InsetSeparatorParams::PARBREAK) {
yp[0] += int(0.25 * asc * 0.75);
yp[1] = yp[0];
pi.pain.lines(xp, yp, 2, ColorName());
}
} else {
yp[0] = int(y - 0.500 * asc * 0.5);
yp[1] = int(y - 0.250 * asc * 0.5);
yp[2] = int(y);
if (pi.ltr_pos) {
xp[0] = int(x + 1 + wid * 0.375);
xp[1] = int(x + 1);
} else {
xp[0] = int(x - 1 + wid * 0.625);
xp[1] = int(x - 1 + wid);
}
xp[2] = xp[0];
pi.pain.lines(xp, yp, 3, ColorName(), Painter::fill_oddeven);
yp[0] = yp[1];
yp[2] = int(y - 0.850 * asc * 0.5);
yp[3] = int(y - 1.250 * asc * 0.5);
yp[4] = yp[3];
yp[5] = yp[2];
yp[6] = yp[5];
xp[0] = xp[1];
if (pi.ltr_pos) {
xp[1] = int(x + 1 + wid * 0.50);
xp[2] = int(x + wid);
xp[3] = xp[2];
xp[4] = int(x + wid * 0.75);
} else {
xp[1] = int(x + wid * 0.50);
xp[2] = int(x);
xp[3] = xp[2];
xp[4] = int(x + wid * 0.25);
}
xp[5] = xp[4];
xp[6] = xp[2];
int c1x[7];
int c1y[7];
int c2x[7];
int c2y[7];
for (int i = 1; i < 7; ++i) {
c1x[i] = xp[i - 1];
c1y[i] = yp[i - 1];
c2x[i] = xp[i];
c2y[i] = yp[i];
}
int d = pi.ltr_pos ? yp[4] - yp[5] : yp[5] - yp[4];
c1x[2] = xp[2];
c2y[2] = int(y - 0.500 * asc * 0.5);
c1x[5] += d;
c2x[5] += d;
pi.pain.path(xp, yp, c1x, c1y, c2x, c2y, 7, ColorName());
}
}
string InsetSeparator::contextMenuName() const
{
if (params_.kind == InsetSeparatorParams::LATEXPAR)
return string();
return "context-separator";
}
void InsetSeparator::string2params(string const & in, InsetSeparatorParams & params)
{
params = InsetSeparatorParams();
if (in.empty())
return;
istringstream data(in);
Lexer lex;
lex.setStream(data);
lex.setContext("InsetSeparator::string2params");
lex >> "separator";
params.read(lex);
}
string InsetSeparator::params2string(InsetSeparatorParams const & params)
{
ostringstream data;
data << "separator" << ' ';
params.write(data);
return data.str();
}
} // namespace lyx