-#ifdef __GNUG__
-#pragma implementation
-#endif
-
-#include <cctype>
+/**
+ * \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.
+ */
+
+#include <config.h>
#include "math_charinset.h"
-#include "LColor.h"
-#include "Painter.h"
-#include "support/LOstream.h"
-#include "mathed/support.h"
-#include "math_parser.h"
+#include "math_support.h"
+#include "math_mathmlstream.h"
+
#include "debug.h"
+#include "dimension.h"
+#include "support/lstrings.h"
+#include "textpainter.h"
+using std::auto_ptr;
-MathCharInset::MathCharInset(char c)
- : char_(c), code_(nativeCode(c))
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
-}
+extern bool has_math_fonts;
+namespace {
-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;
-}
-
+ bool isBinaryOp(char c)
+ {
+ return lyx::support::contains("+-<>=/*", c);
+ }
-MathTextCodes MathCharInset::nativeCode(char c) const
-{
- if (isalpha(c))
- return LM_TC_VAR;
- //if (strchr("0123456789;:!|[]().,?+/-*<>=", c)
- return LM_TC_CONST;
-}
+ bool slanted(char c)
+ {
+ return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
+ }
-MathInset * MathCharInset::clone() const
-{
- return new MathCharInset(*this);
}
-int MathCharInset::ascent() const
-{
- return mathed_char_ascent(code_, mi_, char_);
-}
-
+MathCharInset::MathCharInset(char c)
+ : char_(c)
+{}
-int MathCharInset::descent() const
-{
- return mathed_char_descent(code_, mi_, char_);
-}
-int MathCharInset::width() const
+auto_ptr<InsetBase> MathCharInset::doClone() const
{
- return mathed_char_width(code_, mi_, char_);
+ return auto_ptr<InsetBase>(new MathCharInset(*this));
}
-void MathCharInset::metrics(MathMetricsInfo const & mi) const
+void MathCharInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
- mi_ = mi;
+#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_, dim_);
+ if (isBinaryOp(char_, code_))
+ width_ += 2 * font_metrics::width(' ', font_);
+ lyxerr << "MathCharInset::metrics: " << dim << endl;
+#endif
+ width_ = dim.wid;
}
-void MathCharInset::draw(Painter & pain, int x, int y) const
-{
- //lyxerr << "drawing '" << char_ << "' code: " << code_ << endl;
- drawChar(pain, code_, mi_, x, y, char_);
+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::writeHeader(std::ostream & os) const
+void MathCharInset::metricsT(TextMetricsInfo const &, Dimension & dim) const
{
- if (math_font_name(code_))
- os << '\\' << math_font_name(code_) << '{';
+ dim.wid = 1;
+ dim.asc = 1;
+ dim.des = 0;
}
-void MathCharInset::writeTrailer(std::ostream & os) const
+void MathCharInset::drawT(TextPainter & pain, int x, int y) const
{
- if (math_font_name(code_))
- os << '}';
+ //lyxerr << "drawing text '" << char_ << "' code: " << code_ << endl;
+ pain.draw(x, y, char_);
}
-void MathCharInset::writeRaw(std::ostream & os) const
+void MathCharInset::write(WriteStream & os) const
{
os << char_;
}
-void MathCharInset::write(MathWriteInfo & os) const
+void MathCharInset::normalize(NormalStream & os) const
{
- writeHeader(os.os);
- writeRaw(os.os);
- writeTrailer(os.os);
+ os << "[char " << char_ << ' ' << "mathalpha]";
}
-void MathCharInset::writeNormal(std::ostream & 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;
-}
projects / lyx.git / blobdiff