lyx_mirror/src/insets/InsetNewpage.cpp
2020-11-27 12:16:54 +02:00

373 lines
7.9 KiB
C++

/**
* \file InsetNewpage.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
* \author Jürgen Spitzmüller
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetNewpage.h"
#include "Cursor.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "Lexer.h"
#include "MetricsInfo.h"
#include "OutputParams.h"
#include "xml.h"
#include "texstream.h"
#include "Text.h"
#include "TextMetrics.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "support/debug.h"
#include "support/docstring.h"
#include "support/docstream.h"
#include "support/gettext.h"
using namespace std;
namespace lyx {
InsetNewpage::InsetNewpage() : Inset(nullptr)
{}
InsetNewpage::InsetNewpage(InsetNewpageParams const & params)
: Inset(nullptr), params_(params)
{}
void InsetNewpageParams::write(ostream & os) const
{
switch (kind) {
case InsetNewpageParams::NEWPAGE:
os << "newpage";
break;
case InsetNewpageParams::PAGEBREAK:
os << "pagebreak";
break;
case InsetNewpageParams::CLEARPAGE:
os << "clearpage";
break;
case InsetNewpageParams::CLEARDOUBLEPAGE:
os << "cleardoublepage";
break;
case InsetNewpageParams::NOPAGEBREAK:
os << "nopagebreak";
break;
}
}
void InsetNewpageParams::read(Lexer & lex)
{
lex.setContext("InsetNewpageParams::read");
string token;
lex >> token;
if (token == "newpage")
kind = InsetNewpageParams::NEWPAGE;
else if (token == "pagebreak")
kind = InsetNewpageParams::PAGEBREAK;
else if (token == "clearpage")
kind = InsetNewpageParams::CLEARPAGE;
else if (token == "cleardoublepage")
kind = InsetNewpageParams::CLEARDOUBLEPAGE;
else if (token == "nopagebreak")
kind = InsetNewpageParams::NOPAGEBREAK;
else
lex.printError("Unknown kind");
}
void InsetNewpage::write(ostream & os) const
{
os << "Newpage ";
params_.write(os);
}
void InsetNewpage::read(Lexer & lex)
{
params_.read(lex);
lex >> "\\end_inset";
}
void InsetNewpage::metrics(MetricsInfo & mi, Dimension & dim) const
{
if (params_.kind == InsetNewpageParams::NOPAGEBREAK) {
frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
dim.asc = fm.maxAscent();
dim.des = fm.maxDescent();
dim.wid = 3 * fm.width('n');
return;
}
dim.asc = defaultRowHeight();
dim.des = defaultRowHeight();
dim.wid = mi.base.textwidth;
}
void InsetNewpage::draw(PainterInfo & pi, int x, int y) const
{
if (params_.kind == InsetNewpageParams::NOPAGEBREAK) {
FontInfo font;
font.setColor(ColorName());
frontend::FontMetrics const & fm = theFontMetrics(pi.base.font);
int const wid = 3 * fm.width('n');
int const asc = fm.maxAscent();
int xp[3];
int yp[3];
//left side arrow
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);
xp[0] = int(x + wid * 0.25);
xp[1] = int(x + wid * 0.4);
xp[2] = int(x + wid * 0.25);
pi.pain.lines(xp, yp, 3, ColorName());
yp[0] = yp[1] = int(y - 0.500 * asc * 0.75);
xp[0] = int(x + wid * 0.03);
xp[1] = int(x + wid * 0.4);
pi.pain.lines(xp, yp, 2, ColorName());
//right side arrow
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);
xp[0] = int(x + wid * 0.75);
xp[1] = int(x + wid * 0.6);
xp[2] = int(x + wid * 0.75);
pi.pain.lines(xp, yp, 3, ColorName());
yp[0] = yp[1] = int(y - 0.500 * asc * 0.75);
xp[0] = int(x + wid * 0.97);
xp[1] = int(x + wid * 0.6);
pi.pain.lines(xp, yp, 2, ColorName());
//mid-rule
xp[0] = xp[1] = int(x + wid * 0.5);
yp[0] = int(y - 0.875 * asc * 0.75);
yp[1] = int(y - 0.125 * asc * 0.75);
pi.pain.lines(xp, yp, 2, ColorName());
return;
}
using frontend::Painter;
FontInfo font;
font.setColor(ColorName());
font.decSize();
Dimension const dim = dimension(*pi.base.bv);
int w = 0;
int a = 0;
int d = 0;
theFontMetrics(font).rectText(insetLabel(), w, a, d);
int const text_start = int(x + (dim.wid - w) / 2);
int const text_end = text_start + w;
pi.pain.rectText(text_start, y + d, insetLabel(), font,
Color_none, Color_none);
pi.pain.line(x, y, text_start, y,
ColorName(), Painter::line_onoffdash);
pi.pain.line(text_end, y, int(x + dim.wid), y,
ColorName(), Painter::line_onoffdash);
}
void InsetNewpage::doDispatch(Cursor & cur, FuncRequest & cmd)
{
switch (cmd.action()) {
case LFUN_INSET_MODIFY: {
InsetNewpageParams params;
cur.recordUndo();
string2params(to_utf8(cmd.argument()), params);
params_.kind = params.kind;
break;
}
default:
Inset::doDispatch(cur, cmd);
break;
}
}
bool InsetNewpage::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & status) const
{
switch (cmd.action()) {
// we handle these
case LFUN_INSET_MODIFY:
if (cmd.getArg(0) == "newpage") {
InsetNewpageParams 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);
}
}
docstring InsetNewpage::insetLabel() const
{
switch (params_.kind) {
case InsetNewpageParams::NEWPAGE:
return _("New Page");
break;
case InsetNewpageParams::PAGEBREAK:
return _("Page Break");
break;
case InsetNewpageParams::CLEARPAGE:
return _("Clear Page");
break;
case InsetNewpageParams::CLEARDOUBLEPAGE:
return _("Clear Double Page");
break;
case InsetNewpageParams::NOPAGEBREAK:
return _("No Page Break");
break;
default:
return _("New Page");
break;
}
}
ColorCode InsetNewpage::ColorName() const
{
switch (params_.kind) {
case InsetNewpageParams::PAGEBREAK:
case InsetNewpageParams::NOPAGEBREAK:
return Color_pagebreak;
break;
case InsetNewpageParams::NEWPAGE:
case InsetNewpageParams::CLEARPAGE:
case InsetNewpageParams::CLEARDOUBLEPAGE:
return Color_newpage;
break;
}
// not really useful, but to avoids gcc complaints
return Color_newpage;
}
void InsetNewpage::latex(otexstream & os, OutputParams const & runparams) const
{
if (runparams.inDeletedInset) {
os << "\\mbox{}\\\\\\makebox[\\columnwidth]{\\dotfill\\ "
<< insetLabel() << "\\ \\dotfill}";
} else {
switch (params_.kind) {
case InsetNewpageParams::NEWPAGE:
os << "\\newpage" << termcmd;
break;
case InsetNewpageParams::PAGEBREAK:
if (runparams.moving_arg)
os << "\\protect";
os << "\\pagebreak" << termcmd;
break;
case InsetNewpageParams::CLEARPAGE:
os << "\\clearpage" << termcmd;
break;
case InsetNewpageParams::CLEARDOUBLEPAGE:
os << "\\cleardoublepage" << termcmd;
break;
case InsetNewpageParams::NOPAGEBREAK:
os << "\\nopagebreak" << termcmd;
break;
default:
os << "\\newpage" << termcmd;
break;
}
}
}
int InsetNewpage::plaintext(odocstringstream & os,
OutputParams const &, size_t) const
{
if (params_.kind == InsetNewpageParams::NOPAGEBREAK)
return 0;
os << '\n';
return PLAINTEXT_NEWLINE;
}
void InsetNewpage::docbook(XMLStream & os, OutputParams const &) const
{
if (params_.kind != InsetNewpageParams::NOPAGEBREAK)
os << xml::CR();
}
docstring InsetNewpage::xhtml(XMLStream & xs, OutputParams const &) const
{
if (params_.kind != InsetNewpageParams::NOPAGEBREAK)
xs << xml::CompTag("br");
return docstring();
}
string InsetNewpage::contextMenuName() const
{
return "context-newpage";
}
void InsetNewpage::string2params(string const & in, InsetNewpageParams & params)
{
params = InsetNewpageParams();
if (in.empty())
return;
istringstream data(in);
Lexer lex;
lex.setStream(data);
string name;
lex >> name;
if (!lex || name != "newpage") {
LYXERR0("Expected arg 2 to be \"wrap\" in " << in);
return;
}
params.read(lex);
}
string InsetNewpage::params2string(InsetNewpageParams const & params)
{
ostringstream data;
data << "newpage" << ' ';
params.write(data);
return data.str();
}
} // namespace lyx