X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_charinset.C;h=a212db15e7e356c3e8851de0fe1ecd7a73cf2b68;hb=4bc59f21015e9151841eea3733b97d25cd616fdc;hp=b89280fce28b84124a48d31b68d9c9cc405572bf;hpb=aed2b1804c474ad4927a681c708b45bee6c4a36f;p=lyx.git diff --git a/src/mathed/math_charinset.C b/src/mathed/math_charinset.C index b89280fce2..a212db15e7 100644 --- a/src/mathed/math_charinset.C +++ b/src/mathed/math_charinset.C @@ -1,104 +1,118 @@ +#include + #ifdef __GNUG__ #pragma implementation #endif -#include - #include "math_charinset.h" #include "LColor.h" -#include "Painter.h" +#include "frontends/Painter.h" +#include "frontends/font_metrics.h" #include "support/LOstream.h" -#include "math_support.h" -#include "math_parser.h" #include "debug.h" +#include "math_support.h" #include "math_mathmlstream.h" +#include "LaTeXFeatures.h" +#include "textpainter.h" +#include +#include -MathCharInset::MathCharInset(char c) - : char_(c), code_(nativeCode(c)) -{ -//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl; -} +using std::ostream; +using std::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; -} +#ifndef CXX_GLOBAL_CSTD +using std::strchr; +using std::isalpha; +#endif -MathTextCodes MathCharInset::nativeCode(char c) const -{ - if (isalpha(c)) - return LM_TC_VAR; - //if (strchr("0123456789;:!|[]().,?+/-*<>=", c) - return LM_TC_CONST; -} +namespace { + bool isBinaryOp(char c) + { + return strchr("+-<>=/*", c); + } -MathInset * MathCharInset::clone() const -{ - return new MathCharInset(*this); -} + bool slanted(char c) + { + //if (strchr("0123456789;:!|[]().,?+/-*<>=", c) + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'); + } -int MathCharInset::ascent() const -{ - return mathed_char_ascent(code_, mi_, char_); } -int MathCharInset::descent() const -{ - return mathed_char_descent(code_, mi_, char_); -} +MathCharInset::MathCharInset(char c) + : char_(c) +{} -int MathCharInset::width() const -{ - return mathed_char_width(code_, mi_, char_); -} - -void MathCharInset::metrics(MathMetricsInfo const & mi) const +MathInset * MathCharInset::clone() const { - mi_ = mi; + return new MathCharInset(*this); } -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::metrics(MathMetricsInfo & mi) const +{ +#if 1 + if (slanted(char_) && mi.base.fontname == "mathnormal") { + MathShapeChanger dummy(mi.base.font, LyXFont::ITALIC_SHAPE); + mathed_char_dim(mi.base.font, char_, ascent_, descent_, width_); + } else { + mathed_char_dim(mi.base.font, char_, ascent_, descent_, width_); + } + if (isBinaryOp(char_)) + width_ += 2 * font_metrics::width(' ', mi.base.font); +#else + whichFont(font_, code_, mi); + mathed_char_dim(font_, char_, ascent_, descent_, width_); + if (isBinaryOp(char_, code_)) + width_ += 2 * font_metrics::width(' ', font_); +#endif } -void MathCharInset::writeHeader(std::ostream & os) const +void MathCharInset::draw(MathPainterInfo & pi, int x, int y) const { - if (math_font_name(code_)) - os << '\\' << math_font_name(code_) << '{'; + //lyxerr << "drawing '" << char_ << "' font: " << pi.base.fontname << endl; + if (isBinaryOp(char_)) + x += font_metrics::width(' ', pi.base.font); +#if 1 + if (slanted(char_) && pi.base.fontname == "mathnormal") { + MathShapeChanger dummy(pi.base.font, LyXFont::ITALIC_SHAPE); + pi.draw(x, y, char_); + } else { + pi.draw(x, y, char_); + } +#else + drawChar(pain, font_, x, y, char_); +#endif } -void MathCharInset::writeTrailer(std::ostream & os) const +void MathCharInset::metricsT(TextMetricsInfo const &) const { - if (math_font_name(code_)) - os << '}'; + width_ = 1; + ascent_ = 1; + descent_ = 0; } -void MathCharInset::writeRaw(std::ostream & os) const +void MathCharInset::drawT(TextPainter & pain, int x, int y) const { - os << char_; + //lyxerr << "drawing text '" << char_ << "' code: " << code_ << endl; + pain.draw(x, y, char_); } void MathCharInset::write(WriteStream & os) const { - writeHeader(os.os()); - writeRaw(os.os()); - writeTrailer(os.os()); + os << char_; } @@ -108,20 +122,20 @@ void MathCharInset::normalize(NormalStream & os) const } -bool MathCharInset::isRelOp() const +void MathCharInset::octavize(OctaveStream & os) const { - return char_ == '=' || char_ == '<' || char_ == '>'; + os << char_; } -void MathCharInset::handleFont(MathTextCodes t) +bool MathCharInset::isRelOp() const { - code_ = (code_ == t) ? LM_TC_VAR : t; + return char_ == '=' || char_ == '<' || char_ == '>'; } bool MathCharInset::match(MathInset * p) const { MathCharInset const * q = p->asCharInset(); - return q && char_ == q->char_ && code_ == q->code_; + return q && char_ == q->char_; }