Account for old versions of Pygments

[lyx.git] / src / FontInfo.cpp

diff --git a/src/FontInfo.cpp b/src/FontInfo.cpp
index 9edf97e52e9e7ee56e63d9e7da738a502bec1595..da9387278bb1817de4ca884b8cf3957303120913 100644 (file)
--- a/src/FontInfo.cpp
+++ b/src/FontInfo.cpp
@@ -17,12 +17,15 @@
 #include "ColorSet.h"
 #include "FontInfo.h"
 #include "Lexer.h"
+#include "LyXRC.h"
 
+#include "support/convert.h"
 #include "support/debug.h"
 #include "support/docstring.h"
 #include "support/lstrings.h"
 #include "support/RefChanger.h"
 
+#include <algorithm>
 #include <ostream>
 #include <sstream>
 
@@ -67,6 +70,7 @@ FontInfo const sane_font(
        FONT_OFF,
        FONT_OFF,
        FONT_OFF,
+       FONT_OFF,
        FONT_OFF);
 
 FontInfo const inherit_font(
@@ -82,6 +86,7 @@ FontInfo const inherit_font(
        FONT_INHERIT,
        FONT_INHERIT,
        FONT_INHERIT,
+       FONT_INHERIT,
        FONT_OFF);
 
 FontInfo const ignore_font(
@@ -97,6 +102,7 @@ FontInfo const ignore_font(
        FONT_IGNORE,
        FONT_IGNORE,
        FONT_IGNORE,
+       FONT_IGNORE,
        FONT_IGNORE);
 
 
@@ -168,6 +174,29 @@ FontInfo & FontInfo::incSize()
 }
 
 
+double FontInfo::realSize() const
+{
+       double d = convert<double>(lyxrc.font_sizes[size()]);
+       // The following is according to the average of the values in the
+       // definitions of \defaultscriptratio and \defaultscriptscriptratio in LaTeX
+       // font packages. No attempt is made to implement the actual values from
+       // \DefineMathSizes.
+       switch (style()) {
+       case LM_ST_DISPLAY:
+       case LM_ST_TEXT:
+               break;
+       case LM_ST_SCRIPT:
+               d *= .73;
+               break;
+       case LM_ST_SCRIPTSCRIPT:
+               d *= .55;
+               break;
+       }
+       // Never go below the smallest size
+       return max(d, convert<double>(lyxrc.font_sizes[FONT_SIZE_TINY]));
+}
+
+
 /// Reduce font to fall back to template where possible
 void FontInfo::reduce(FontInfo const & tmplt)
 {
@@ -185,6 +214,8 @@ void FontInfo::reduce(FontInfo const & tmplt)
                underbar_ = FONT_INHERIT;
        if (strikeout_ == tmplt.strikeout_)
                strikeout_ = FONT_INHERIT;
+       if (xout_ == tmplt.xout_)
+               xout_ = FONT_INHERIT;
        if (uuline_ == tmplt.uuline_)
                uuline_ = FONT_INHERIT;
        if (uwave_ == tmplt.uwave_)
@@ -227,6 +258,9 @@ FontInfo & FontInfo::realize(FontInfo const & tmplt)
        if (strikeout_ == FONT_INHERIT)
                strikeout_ = tmplt.strikeout_;
 
+       if (xout_ == FONT_INHERIT)
+               xout_ = tmplt.xout_;
+
        if (uuline_ == FONT_INHERIT)
                uuline_ = tmplt.uuline_;
 
@@ -246,23 +280,29 @@ FontInfo & FontInfo::realize(FontInfo const & tmplt)
 }
 
 
-Changer FontInfo::changeColor(ColorCode const color, bool cond)
+Changer FontInfo::changeColor(ColorCode const color)
+{
+       return make_change(color_, color);
+}
+
+
+Changer FontInfo::changeShape(FontShape const shape)
 {
-       return make_change(color_, color, cond);
+       return make_change(shape_, shape);
 }
 
 
-Changer FontInfo::changeShape(FontShape const shape, bool cond)
+Changer FontInfo::changeStyle(MathStyle const new_style)
 {
-       return make_change(shape_, shape, cond);
+       return make_change(style_, new_style);
 }
 
 
-Changer FontInfo::change(FontInfo font, bool realiz, bool cond)
+Changer FontInfo::change(FontInfo font, bool realiz)
 {
        if (realiz)
                font.realize(*this);
-       return make_change(*this, font, cond);
+       return make_change(*this, font);
 }
 
 
@@ -330,6 +370,7 @@ void FontInfo::update(FontInfo const & newfont, bool toggleall)
        setEmph(setMisc(newfont.emph_, emph_));
        setUnderbar(setMisc(newfont.underbar_, underbar_));
        setStrikeout(setMisc(newfont.strikeout_, strikeout_));
+       setXout(setMisc(newfont.xout_, xout_));
        setUuline(setMisc(newfont.uuline_, uuline_));
        setUwave(setMisc(newfont.uwave_, uwave_));
        setNoun(setMisc(newfont.noun_, noun_));
@@ -353,8 +394,8 @@ bool FontInfo::resolved() const
                && shape_ != INHERIT_SHAPE && size_ != FONT_SIZE_INHERIT
                && emph_ != FONT_INHERIT && underbar_ != FONT_INHERIT
                && uuline_ != FONT_INHERIT && uwave_ != FONT_INHERIT
-               && strikeout_ != FONT_INHERIT && noun_ != FONT_INHERIT
-               && color_ != Color_inherit
+               && strikeout_ != FONT_INHERIT && xout_ != FONT_INHERIT
+               && noun_ != FONT_INHERIT && color_ != Color_inherit
                && background_ != Color_inherit);
 }
 
@@ -624,6 +665,8 @@ FontInfo lyxRead(Lexer & lex, FontInfo const & fi)
                                f.setUnderbar(FONT_OFF);
                        } else if (ttok == "no_strikeout") {
                                f.setStrikeout(FONT_OFF);
+                       } else if (ttok == "no_xout") {
+                               f.setXout(FONT_OFF);
                        } else if (ttok == "no_uuline") {
                                f.setUuline(FONT_OFF);
                        } else if (ttok == "no_uwave") {
@@ -638,6 +681,8 @@ FontInfo lyxRead(Lexer & lex, FontInfo const & fi)
                                f.setUnderbar(FONT_ON);
                        } else if (ttok == "strikeout") {
                                f.setStrikeout(FONT_ON);
+                       } else if (ttok == "xout") {
+                               f.setXout(FONT_ON);
                        } else if (ttok == "uuline") {
                                f.setUuline(FONT_ON);
                        } else if (ttok == "uwave") {
@@ -686,6 +731,10 @@ void lyxWrite(ostream & os, FontInfo const & f, string const & start, int level)
                oss << indent << "\tMisc Strikeout\n";
        else if (f.strikeout() == FONT_OFF)
                oss << indent << "\tMisc No_Strikeout\n";
+       if (f.xout() == FONT_ON)
+               oss << indent << "\tMisc Xout\n";
+       else if (f.xout() == FONT_OFF)
+               oss << indent << "\tMisc No_Xout\n";
        if (f.uuline() == FONT_ON)
                oss << indent << "\tMisc Uuline\n";
        else if (f.uuline() == FONT_OFF)