-#include <config.h>
+/**
+ * \file math_charinset.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Alejandro Aguilar Sierra
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include <config.h>
#include "math_charinset.h"
-#include "LColor.h"
-#include "Painter.h"
-#include "support/LOstream.h"
-#include "font.h"
-#include "debug.h"
#include "math_support.h"
#include "math_mathmlstream.h"
-#include "LaTeXFeatures.h"
+
+#include "debug.h"
+#include "dimension.h"
+#include "support/lstrings.h"
#include "textpainter.h"
-#include <cctype>
-#include <cstring>
+using std::auto_ptr;
+extern bool has_math_fonts;
-using std::ostream;
-using std::endl;
+namespace {
-#ifndef CXX_GLOBAL_CSTD
-using std::strchr;
-#endif
+ bool isBinaryOp(char c)
+ {
+ return lyx::support::contains("+-<>=/*", c);
+ }
-bool isBinaryOp(char c, MathTextCodes type)
-{
- return type < LM_TC_SYMB && strchr("+-<>=/*", c);
-}
-
+ bool slanted(char c)
+ {
+ return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
+ }
-MathCharInset::MathCharInset(char c)
- : char_(c), code_(nativeCode(c))
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
}
-MathCharInset::MathCharInset(char c, MathTextCodes t)
- : char_(c), code_((t == LM_TC_MIN) ? nativeCode(c) : t)
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
-}
-
+MathCharInset::MathCharInset(char c)
+ : char_(c)
+{}
-MathTextCodes MathCharInset::nativeCode(char c)
-{
- if (isalpha(c))
- return LM_TC_VAR;
- //if (strchr("0123456789;:!|[]().,?+/-*<>=", c)
- return LM_TC_CONST;
-}
-MathInset * MathCharInset::clone() const
+auto_ptr<InsetBase> MathCharInset::doClone() const
{
- return new MathCharInset(*this);
+ return auto_ptr<InsetBase>(new MathCharInset(*this));
}
-void MathCharInset::metrics(MathMetricsInfo const & mi) const
+void MathCharInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
+#if 1
+ if (char_ == '=' && has_math_fonts) {
+ FontSetChanger dummy(mi.base, "cmr");
+ mathed_char_dim(mi.base.font, char_, dim);
+ } else if ((char_ == '>' || char_ == '<') && has_math_fonts) {
+ FontSetChanger dummy(mi.base, "cmm");
+ mathed_char_dim(mi.base.font, char_, dim);
+ } else if (!slanted(char_) && mi.base.fontname == "mathnormal") {
+ ShapeChanger dummy(mi.base.font, LyXFont::UP_SHAPE);
+ mathed_char_dim(mi.base.font, char_, dim);
+ } else {
+ mathed_char_dim(mi.base.font, char_, dim);
+ }
+ int const em = mathed_char_width(mi.base.font, 'M');
+ if (isBinaryOp(char_))
+ dim.wid += static_cast<int>(0.5*em+0.5);
+ else if (char_ == '\'')
+ dim.wid += static_cast<int>(0.1667*em+0.5);
+#else
whichFont(font_, code_, mi);
- mathed_char_dim(font_, char_, ascent_, descent_, width_);
- if (isBinaryOp(char_, code_))
- width_ += 2 * lyxfont::width(' ', font_);
-}
-
-
-void MathCharInset::draw(Painter & pain, int x, int y) const
-{
- //lyxerr << "drawing '" << char_ << "' code: " << code_ << endl;
+ mathed_char_dim(font_, char_, dim_);
if (isBinaryOp(char_, code_))
- x += lyxfont::width(' ', font_);
+ width_ += 2 * font_metrics::width(' ', font_);
+ lyxerr << "MathCharInset::metrics: " << dim << endl;
+#endif
+ width_ = dim.wid;
+}
+
+
+void MathCharInset::draw(PainterInfo & pi, int x, int y) const
+{
+ //lyxerr << "drawing '" << char_ << "' font: " << pi.base.fontname << endl;
+ int const em = mathed_char_width(pi.base.font, 'M');
+ if (isBinaryOp(char_))
+ x += static_cast<int>(0.25*em+0.5);
+ else if (char_ == '\'')
+ x += static_cast<int>(0.0833*em+0.5);
+#if 1
+ if (char_ == '=' && has_math_fonts) {
+ FontSetChanger dummy(pi.base, "cmr");
+ pi.draw(x, y, char_);
+ } else if ((char_ == '>' || char_ == '<') && has_math_fonts) {
+ FontSetChanger dummy(pi.base, "cmm");
+ pi.draw(x, y, char_);
+ } else if (!slanted(char_) && pi.base.fontname == "mathnormal") {
+ ShapeChanger dummy(pi.base.font, LyXFont::UP_SHAPE);
+ pi.draw(x, y, char_);
+ } else {
+ pi.draw(x, y, char_);
+ }
+#else
drawChar(pain, font_, x, y, char_);
+#endif
}
-void MathCharInset::metricsT(TextMetricsInfo const &) const
+void MathCharInset::metricsT(TextMetricsInfo const &, Dimension & dim) const
{
- width_ = 1;
- ascent_ = 1;
- descent_ = 0;
+ dim.wid = 1;
+ dim.asc = 1;
+ dim.des = 0;
}
}
-void MathCharInset::writeHeader(ostream & os) const
-{
- if (math_font_name(code_))
- os << '\\' << math_font_name(code_) << '{';
-}
-
-
-void MathCharInset::writeTrailer(ostream & os) const
-{
- if (math_font_name(code_))
- os << '}';
-}
-
-
-void MathCharInset::writeRaw(ostream & os) const
+void MathCharInset::write(WriteStream & os) const
{
os << char_;
}
-void MathCharInset::write(WriteStream & os) const
+void MathCharInset::normalize(NormalStream & os) const
{
- writeHeader(os.os());
- writeRaw(os.os());
- writeTrailer(os.os());
+ os << "[char " << char_ << ' ' << "mathalpha]";
}
-void MathCharInset::normalize(NormalStream & os) const
+void MathCharInset::octave(OctaveStream & os) const
{
- os << "[char " << char_ << " " << "mathalpha" << "]";
+ os << char_;
}
{
return char_ == '=' || char_ == '<' || char_ == '>';
}
-
-
-void MathCharInset::handleFont(MathTextCodes t)
-{
- code_ = (code_ == t) ? LM_TC_VAR : t;
-}
-
-
-void MathCharInset::validate(LaTeXFeatures & features) const
-{
- // Make sure amssymb is put in preamble if Blackboard Bold or
- // Fraktur used:
- if ((code_ == LM_TC_BB) || (code_ == LM_TC_EUFRAK))
- features.require("amssymb");
-}
-
-
-bool MathCharInset::match(MathInset * p) const
-{
- MathCharInset const * q = p->asCharInset();
- return q && char_ == q->char_ && code_ == q->code_;
-}