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* dimension.[Ch]: a -> asc, d -> des, w -> wid git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7053 a592a061-630c-0410-9148-cb99ea01b6c8
297 lines
5.5 KiB
C
297 lines
5.5 KiB
C
/**
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* \file insetspecialchar.C
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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 Asger Alstrup Nielsen
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* \author Jean-Marc Lasgouttes
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* \author Lars Gullik Bjønnes
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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 "insetspecialchar.h"
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#include "debug.h"
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#include "dimension.h"
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#include "LaTeXFeatures.h"
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#include "BufferView.h"
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#include "frontends/Painter.h"
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#include "frontends/font_metrics.h"
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#include "lyxlex.h"
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#include "lyxfont.h"
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using std::ostream;
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using std::max;
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InsetSpecialChar::InsetSpecialChar(Kind k)
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: kind_(k)
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{}
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InsetSpecialChar::Kind InsetSpecialChar::kind() const
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{
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return kind_;
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}
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void InsetSpecialChar::dimension(BufferView *, LyXFont const & font,
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Dimension & dim) const
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{
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dim.asc = font_metrics::maxAscent(font);
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dim.des = font_metrics::maxDescent(font);
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string s;
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switch (kind_) {
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case LIGATURE_BREAK: s = "|"; break;
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case END_OF_SENTENCE: s = "."; break;
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case LDOTS: s = ". . ."; break;
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case MENU_SEPARATOR: s = " x "; break;
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case HYPHENATION: s = "-"; break;
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}
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dim.wid = font_metrics::width(s, font);
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if (kind_ == HYPHENATION && dim.wid > 5)
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dim.wid -= 2; // to make it look shorter
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}
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void InsetSpecialChar::draw(BufferView * bv, LyXFont const & f,
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int baseline, float & x) const
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{
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Painter & pain = bv->painter();
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LyXFont font(f);
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switch (kind_) {
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case HYPHENATION:
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{
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font.setColor(LColor::special);
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pain.text(int(x), baseline, '-', font);
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x += width(bv, font);
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break;
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}
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case LIGATURE_BREAK:
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{
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font.setColor(LColor::special);
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pain.text(int(x), baseline, '|', font);
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x += width(bv, font);
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break;
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}
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case END_OF_SENTENCE:
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{
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font.setColor(LColor::special);
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pain.text(int(x), baseline, '.', font);
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x += width(bv, font);
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break;
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}
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case LDOTS:
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{
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font.setColor(LColor::special);
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pain.text(int(x), baseline, ". . .", font);
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x += width(bv, font);
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break;
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}
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case MENU_SEPARATOR:
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{
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// A triangle the width and height of an 'x'
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int w = font_metrics::width('x', font);
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int ox = font_metrics::width(' ', font) + int(x);
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int h = font_metrics::ascent('x', font);
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int xp[4], yp[4];
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xp[0] = ox; yp[0] = baseline;
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xp[1] = ox; yp[1] = baseline - h;
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xp[2] = ox + w; yp[2] = baseline - h/2;
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xp[3] = ox; yp[3] = baseline;
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pain.lines(xp, yp, 4, LColor::special);
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x += width(bv, font);
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break;
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}
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}
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}
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// In lyxf3 this will be just LaTeX
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void InsetSpecialChar::write(Buffer const *, ostream & os) const
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{
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string command;
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switch (kind_) {
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case HYPHENATION:
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command = "\\-";
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break;
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case LIGATURE_BREAK:
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command = "\\textcompwordmark{}";
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break;
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case END_OF_SENTENCE:
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command = "\\@.";
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break;
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case LDOTS:
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command = "\\ldots{}";
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break;
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case MENU_SEPARATOR:
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command = "\\menuseparator";
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break;
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}
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os << "\\SpecialChar " << command << "\n";
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}
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// This function will not be necessary when lyx3
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void InsetSpecialChar::read(Buffer const *, LyXLex & lex)
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{
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lex.nextToken();
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string const command = lex.getString();
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if (command == "\\-")
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kind_ = HYPHENATION;
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else if (command == "\\textcompwordmark{}")
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kind_ = LIGATURE_BREAK;
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else if (command == "\\@.")
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kind_ = END_OF_SENTENCE;
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else if (command == "\\ldots{}")
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kind_ = LDOTS;
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else if (command == "\\menuseparator")
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kind_ = MENU_SEPARATOR;
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else
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lex.printError("InsetSpecialChar: Unknown kind: `$$Token'");
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}
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int InsetSpecialChar::latex(Buffer const *, ostream & os,
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LatexRunParams const &) const
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{
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switch (kind_) {
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case HYPHENATION:
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os << "\\-";
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break;
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case LIGATURE_BREAK:
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os << "\\textcompwordmark{}";
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break;
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case END_OF_SENTENCE:
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os << "\\@.";
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break;
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case LDOTS:
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os << "\\ldots{}";
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break;
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case MENU_SEPARATOR:
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os << "\\lyxarrow{}";
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break;
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}
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return 0;
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}
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int InsetSpecialChar::ascii(Buffer const *, ostream & os, int) const
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{
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switch (kind_) {
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case HYPHENATION:
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case LIGATURE_BREAK:
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break;
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case END_OF_SENTENCE:
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os << '.';
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break;
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case LDOTS:
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os << "...";
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break;
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case MENU_SEPARATOR:
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os << "->";
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break;
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}
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return 0;
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}
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int InsetSpecialChar::linuxdoc(Buffer const *, ostream & os) const
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{
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switch (kind_) {
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case HYPHENATION:
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case LIGATURE_BREAK:
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break;
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case END_OF_SENTENCE:
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os << '.';
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break;
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case LDOTS:
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os << "...";
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break;
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case MENU_SEPARATOR:
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os << "&lyxarrow;";
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break;
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}
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return 0;
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}
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int InsetSpecialChar::docbook(Buffer const *, ostream & os, bool) const
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{
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switch (kind_) {
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case HYPHENATION:
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case LIGATURE_BREAK:
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break;
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case END_OF_SENTENCE:
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os << '.';
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break;
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case LDOTS:
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os << "...";
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break;
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case MENU_SEPARATOR:
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os << "&lyxarrow;";
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break;
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}
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return 0;
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}
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Inset * InsetSpecialChar::clone(Buffer const &) const
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{
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return new InsetSpecialChar(kind_);
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}
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// Inset * InsetSpecialChar::clone(Buffer const &, bool) const
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// {
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// return new InsetSpecialChar(kind_);
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// }
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void InsetSpecialChar::validate(LaTeXFeatures & features) const
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{
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if (kind_ == MENU_SEPARATOR) {
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features.require("lyxarrow");
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}
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}
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bool InsetSpecialChar::isChar() const
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{
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return true;
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}
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bool InsetSpecialChar::isLetter() const
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{
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return kind_ == HYPHENATION || kind_ == LIGATURE_BREAK;
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}
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bool InsetSpecialChar::isSpace() const
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{
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return false;
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}
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bool InsetSpecialChar::isLineSeparator() const
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{
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#if 0
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// this would be nice, but it does not work, since
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// Paragraph::stripLeadingSpaces nukes the characters which
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// have this property. I leave the code here, since it should
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// eventually be made to work. (JMarc 20020327)
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return kind_ == HYPHENATION || kind_ == MENU_SEPARATOR;
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#else
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return false;
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#endif
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}
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