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