#include "InsetSpecialChar.h"
#include "Dimension.h"
+#include "Encoding.h"
#include "Font.h"
#include "Language.h"
#include "LaTeXFeatures.h"
#include "Lexer.h"
#include "MetricsInfo.h"
#include "output_xhtml.h"
+#include "xml.h"
#include "texstream.h"
#include "frontends/FontMetrics.h"
+#include "frontends/NullPainter.h"
#include "frontends/Painter.h"
#include "support/debug.h"
InsetSpecialChar::InsetSpecialChar(Kind k)
- : Inset(0), kind_(k)
+ : Inset(nullptr), kind_(k)
{}
}
-namespace {
-
-int logoWidth(FontInfo const & font, InsetSpecialChar::Kind kind) {
- frontend::FontMetrics const & fm = theFontMetrics(font);
- int const em = fm.em();
- int width = 0;
- // See drawlogo() below to understand what this does.
- switch (kind) {
- case InsetSpecialChar::PHRASE_LYX:
- width = fm.width(from_ascii("L")) - em / 6
- + fm.width(from_ascii("Y")) - em / 8
- + fm.width(from_ascii("X"));
- break;
-
- case InsetSpecialChar::PHRASE_TEX:
- width = fm.width(from_ascii("T")) - em / 6
- + fm.width(from_ascii("E")) - em / 8
- + fm.width(from_ascii("X"));
- break;
-
- case InsetSpecialChar::PHRASE_LATEX2E:
- width = logoWidth(font, InsetSpecialChar::PHRASE_LATEX)
- + 3 * em / 20
- + fm.width(from_ascii("2") + char_type(0x03b5));
- break;
- case InsetSpecialChar::PHRASE_LATEX: {
- FontInfo smaller = font;
- smaller.decSize().decSize();
- width = fm.width(from_ascii("L")) - 9 * em / 25
- + theFontMetrics(smaller).width(from_ascii("A")) - 3 * em / 20
- + logoWidth(font, InsetSpecialChar::PHRASE_TEX);
- break;
- }
- default:
- LYXERR0("No information for computing width of logo " << kind);
- }
-
- return width;
-}
-
-} // namespace
-
docstring InsetSpecialChar::toolTip(BufferView const &, int, int) const
{
docstring message;
}
-void InsetSpecialChar::metrics(MetricsInfo & mi, Dimension & dim) const
+int InsetSpecialChar::rowFlags() const
{
- frontend::FontMetrics const & fm =
- theFontMetrics(mi.base.font);
- dim.asc = fm.maxAscent();
- dim.des = 0;
- dim.wid = 0;
-
- docstring s;
switch (kind_) {
- case ALLOWBREAK:
- dim.asc = fm.xHeight();
- dim.des = fm.descent('g');
- dim.wid = fm.em() / 8;
- break;
- case LIGATURE_BREAK:
- s = from_ascii("|");
- break;
- case END_OF_SENTENCE:
- s = from_ascii(".");
- break;
- case LDOTS:
- s = from_ascii(". . .");
- break;
- case MENU_SEPARATOR:
- // ▹ U+25B9 WHITE RIGHT-POINTING SMALL TRIANGLE
- // There is a \thinspace on each side of the triangle
- dim.wid = 2 * fm.em() / 6 + fm.width(char_type(0x25B9));
- break;
- case HYPHENATION:
- dim.wid = fm.width(from_ascii("-"));
- if (dim.wid > 5)
- dim.wid -= 2; // to make it look shorter
- break;
- case SLASH:
- s = from_ascii("/");
- dim.des = fm.descent(s[0]);
- break;
- case NOBREAKDASH:
- s = from_ascii("-");
- break;
- case PHRASE_LYX:
- case PHRASE_TEX:
- case PHRASE_LATEX2E:
- case PHRASE_LATEX:
- dim.asc = fm.maxAscent();
- dim.des = fm.maxDescent();
- dim.wid = logoWidth(mi.base.font, kind_);
- break;
+ case ALLOWBREAK:
+ case HYPHENATION:
+ case SLASH:
+ // these are the elements that allow line breaking
+ return CanBreakAfter;
+ case NOBREAKDASH:
+ case END_OF_SENTENCE:
+ case LIGATURE_BREAK:
+ case LDOTS:
+ case MENU_SEPARATOR:
+ case PHRASE_LYX:
+ case PHRASE_TEX:
+ case PHRASE_LATEX2E:
+ case PHRASE_LATEX:
+ break;
}
- if (dim.wid == 0)
- dim.wid = fm.width(s);
+ return Inline;
}
drawLogo(pi, x, y, InsetSpecialChar::PHRASE_LATEX);
x += 3 * em / 20;
drawChar(pi, x, y, '2');
+ // ε U+03B5 GREEK SMALL LETTER EPSILON
drawChar(pi, x, y + em / 4, char_type(0x03b5));
break;
} // namespace
+
+void InsetSpecialChar::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
+ dim.asc = fm.maxAscent();
+ dim.des = 0;
+ dim.wid = 0;
+
+ docstring s;
+ switch (kind_) {
+ case ALLOWBREAK:
+ dim.asc = fm.xHeight();
+ dim.des = fm.descent('g');
+ dim.wid = fm.em() / 8;
+ break;
+ case LIGATURE_BREAK:
+ s = from_ascii("|");
+ break;
+ case END_OF_SENTENCE:
+ s = from_ascii(".");
+ break;
+ case LDOTS: {
+ // see comment in draw().
+ auto const fam = mi.base.font.family();
+ // Multiplication by 3 is done here to limit rounding effects.
+ int const spc3 = fam == TYPEWRITER_FAMILY ? 0 : 3 * fm.width(char_type(' ')) / 2;
+ dim.wid = 3 * fm.width(char_type('.')) + spc3;
+ break;
+ }
+ case MENU_SEPARATOR:
+ // ▹ U+25B9 WHITE RIGHT-POINTING SMALL TRIANGLE
+ // There is a \thinspace on each side of the triangle
+ dim.wid = 2 * fm.em() / 6 + fm.width(char_type(0x25B9));
+ break;
+ case HYPHENATION:
+ dim.wid = fm.width(from_ascii("-"));
+ if (dim.wid > 5)
+ dim.wid -= 2; // to make it look shorter
+ break;
+ case SLASH:
+ s = from_ascii("/");
+ dim.des = fm.descent(s[0]);
+ break;
+ case NOBREAKDASH:
+ s = from_ascii("-");
+ break;
+ case PHRASE_LYX:
+ case PHRASE_TEX:
+ case PHRASE_LATEX2E:
+ case PHRASE_LATEX:
+ dim.asc = fm.maxAscent();
+ dim.des = fm.maxDescent();
+ frontend::NullPainter np;
+ PainterInfo pi(mi.base.bv, np);
+ pi.base.font = mi.base.font;
+ drawLogo(pi, dim.wid, 0, kind_);
+ break;
+ }
+ if (dim.wid == 0)
+ dim.wid = fm.width(s);
+}
+
+
void InsetSpecialChar::draw(PainterInfo & pi, int x, int y) const
{
FontInfo font = pi.base.font;
case LDOTS:
{
font.setColor(Color_special);
- string ell = ". . . ";
- docstring dell(ell.begin(), ell.end());
- pi.pain.text(x, y, dell, font);
+ /* \textellipsis uses a \fontdimen3 is spacing. The TeXbook
+ * tells us that \fontdimen3 is the interword stretch, and
+ * that this is usually half a space.
+ */
+ frontend::FontMetrics const & fm = theFontMetrics(font);
+ auto const fam = pi.base.font.family();
+ int const spc = fam == TYPEWRITER_FAMILY ? 0 : fm.width(char_type(' ')) / 2;
+ int wid1 = fm.width(char_type('.')) + spc;
+ pi.pain.text(x, y, char_type('.'), font);
+ pi.pain.text(x + wid1, y, char_type('.'), font);
+ pi.pain.text(x + 2 * wid1, y, char_type('.'), font);
break;
}
case MENU_SEPARATOR:
{
- frontend::FontMetrics const & fm =
- theFontMetrics(font);
+ frontend::FontMetrics const & fm = theFontMetrics(font);
// There is a \thinspace on each side of the triangle
x += fm.em() / 6;
OutputParams const & rp) const
{
bool const rtl = rp.local_font->isRightToLeft();
+ bool const utf8 = rp.encoding->iconvName() == "UTF-8";
string lswitch = "";
string lswitche = "";
if (rtl && !rp.use_polyglossia) {
os << "\\-";
break;
case ALLOWBREAK:
+ // U+200B not yet supported by utf8 inputenc
os << "\\LyXZeroWidthSpace" << termcmd;
break;
case LIGATURE_BREAK:
- os << "\\textcompwordmark" << termcmd;
+ if (utf8)
+ // U+200C ZERO WIDTH NON-JOINER
+ os.put(0x200c);
+ else
+ os << "\\textcompwordmark" << termcmd;
break;
case END_OF_SENTENCE:
os << "\\@.";
case HYPHENATION:
return 0;
case ALLOWBREAK:
+ // U+200B ZERO WIDTH SPACE (ZWSP)
os.put(0x200b);
return 1;
case LIGATURE_BREAK:
+ // U+200C ZERO WIDTH NON-JOINER
os.put(0x200c);
return 1;
case END_OF_SENTENCE:
os << '.';
return 1;
case LDOTS:
+ // … U+2026 HORIZONTAL ELLIPSIS
os.put(0x2026);
return 1;
case MENU_SEPARATOR:
os << '/';
return 1;
case NOBREAKDASH:
+ // ‑ U+2011 NON-BREAKING HYPHEN
os.put(0x2011);
return 1;
case PHRASE_LYX:
return 3;
case PHRASE_LATEX2E:
os << "LaTeX2";
+ // ε U+03B5 GREEK SMALL LETTER EPSILON
os.put(0x03b5);
return 7;
case PHRASE_LATEX:
}
-int InsetSpecialChar::docbook(odocstream & os, OutputParams const &) const
-{
- switch (kind_) {
- case HYPHENATION:
- break;
- case ALLOWBREAK:
- os.put(0x200b);
- break;
- case LIGATURE_BREAK:
- break;
- case END_OF_SENTENCE:
- os << '.';
- break;
- case LDOTS:
- os << "…";
- break;
- case MENU_SEPARATOR:
- os << "&lyxarrow;";
- break;
- case SLASH:
- os << '/';
- break;
- case NOBREAKDASH:
- os << '-';
- break;
- case PHRASE_LYX:
- os << "LyX";
- break;
- case PHRASE_TEX:
- os << "TeX";
- break;
- case PHRASE_LATEX2E:
- os << "LaTeX2";
- os.put(0x03b5);
- break;
- case PHRASE_LATEX:
- os << "LaTeX";
- break;
+namespace {
+string specialCharKindToXMLEntity(InsetSpecialChar::Kind kind) {
+ switch (kind) {
+ case InsetSpecialChar::Kind::HYPHENATION:
+ // Soft hyphen.
+ return "­";
+ case InsetSpecialChar::Kind::ALLOWBREAK:
+ // Zero-width space
+ return "​";
+ case InsetSpecialChar::Kind::LIGATURE_BREAK:
+ // Zero width non-joiner
+ return "‌";
+ case InsetSpecialChar::Kind::END_OF_SENTENCE:
+ return ".";
+ case InsetSpecialChar::Kind::LDOTS:
+ // …
+ return "…";
+ case InsetSpecialChar::Kind::MENU_SEPARATOR:
+ // ⇒, right arrow.
+ return "⇒";
+ case InsetSpecialChar::Kind::SLASH:
+ // ⁄, fractional slash.
+ return "⁄";
+ case InsetSpecialChar::Kind::NOBREAKDASH:
+ // Non-breaking hyphen.
+ return "‑";
+ case InsetSpecialChar::Kind::PHRASE_LYX:
+ return "LyX";
+ case InsetSpecialChar::Kind::PHRASE_TEX:
+ return "TeX";
+ case InsetSpecialChar::Kind::PHRASE_LATEX2E:
+ // Lower-case epsilon.
+ return "LaTeX2ε";
+ case InsetSpecialChar::Kind::PHRASE_LATEX:
+ return "LaTeX";
+ default:
+ return "";
}
- return 0;
+}
}
-docstring InsetSpecialChar::xhtml(XHTMLStream & xs, OutputParams const &) const
+void InsetSpecialChar::docbook(XMLStream & xs, OutputParams const &) const
{
- switch (kind_) {
- case HYPHENATION:
- break;
- case ALLOWBREAK:
- xs << XHTMLStream::ESCAPE_NONE << "​";
- break;
- case LIGATURE_BREAK:
- xs << XHTMLStream::ESCAPE_NONE << "‌";
- break;
- case END_OF_SENTENCE:
- xs << '.';
- break;
- case LDOTS:
- xs << XHTMLStream::ESCAPE_NONE << "…";
- break;
- case MENU_SEPARATOR:
- xs << XHTMLStream::ESCAPE_NONE << "⇒";
- break;
- case SLASH:
- xs << XHTMLStream::ESCAPE_NONE << "⁄";
- break;
- case NOBREAKDASH:
- xs << XHTMLStream::ESCAPE_NONE << "‑";
- break;
- case PHRASE_LYX:
- xs << "LyX";
- break;
- case PHRASE_TEX:
- xs << "TeX";
- break;
- case PHRASE_LATEX2E:
- xs << "LaTeX2" << XHTMLStream::ESCAPE_NONE << "ε";
- break;
- case PHRASE_LATEX:
- xs << "LaTeX";
- break;
- }
+ xs << XMLStream::ESCAPE_NONE << from_ascii(specialCharKindToXMLEntity(kind_));
+}
+
+
+docstring InsetSpecialChar::xhtml(XMLStream & xs, OutputParams const &) const
+{
+ xs << XMLStream::ESCAPE_NONE << from_ascii(specialCharKindToXMLEntity(kind_));
return docstring();
}
break;
}
odocstringstream ods;
- plaintext(ods, OutputParams(0));
+ plaintext(ods, OutputParams(nullptr));
os << ods.str();
}
bool const) const
{
odocstringstream ods;
- plaintext(ods, OutputParams(0));
+ plaintext(ods, OutputParams(nullptr));
os += ods.str();
}
bool InsetSpecialChar::isLetter() const
{
return kind_ == HYPHENATION || kind_ == LIGATURE_BREAK
- || kind_ == NOBREAKDASH;
+ || kind_ == NOBREAKDASH
+ || kind_ == PHRASE_LYX || kind_ == PHRASE_LATEX
+ || kind_ == PHRASE_TEX || kind_ == PHRASE_LATEX2E;
}
projects / lyx.git / blobdiff