X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FFontInfo.cpp;h=da9387278bb1817de4ca884b8cf3957303120913;hb=28be7d552f62cc02fa86d7f79201d089bfb2d7b5;hp=78655aeecfebd06535c26904e4eb9578fc1abbc1;hpb=8a38179d6de3d2738fc386e2b821703a71740305;p=lyx.git

diff --git a/src/FontInfo.cpp b/src/FontInfo.cpp
index 78655aeecf..da9387278b 100644
--- a/src/FontInfo.cpp
+++ b/src/FontInfo.cpp
@@ -14,15 +14,49 @@
 
 #include <config.h>
 
+#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>
 
 using namespace std;
+using namespace lyx::support;
 
 namespace lyx {
 
+//
+// Strings used to read and write .lyx format files
+//
+char const * LyXFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
+{ "roman", "sans", "typewriter", "symbol",
+  "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "stmry",
+  "wasy", "esint", "default", "error" };
+
+char const * LyXSeriesNames[NUM_SERIES + 2 /* default & error */] =
+{ "medium", "bold", "default", "error" };
+
+char const * LyXShapeNames[NUM_SHAPE + 2 /* default & error */] =
+{ "up", "italic", "slanted", "smallcaps", "default", "error" };
+
+char const * LyXSizeNames[NUM_SIZE + 4 /* increase, decrease, default & error */] =
+{ "tiny", "scriptsize", "footnotesize", "small", "normal", "large",
+  "larger", "largest", "huge", "giant",
+  "increase", "decrease", "default", "error" };
+
+char const * LyXMiscNames[5] =
+{ "off", "on", "toggle", "default", "error" };
+
+
 FontInfo const sane_font(
 	ROMAN_FAMILY,
 	MEDIUM_SERIES,
@@ -36,6 +70,7 @@ FontInfo const sane_font(
 	FONT_OFF,
 	FONT_OFF,
 	FONT_OFF,
+	FONT_OFF,
 	FONT_OFF);
 
 FontInfo const inherit_font(
@@ -51,6 +86,7 @@ FontInfo const inherit_font(
 	FONT_INHERIT,
 	FONT_INHERIT,
 	FONT_INHERIT,
+	FONT_INHERIT,
 	FONT_OFF);
 
 FontInfo const ignore_font(
@@ -66,6 +102,7 @@ FontInfo const ignore_font(
 	FONT_IGNORE,
 	FONT_IGNORE,
 	FONT_IGNORE,
+	FONT_IGNORE,
 	FONT_IGNORE);
 
 
@@ -74,6 +111,7 @@ FontInfo::FontInfo()
 	*this = sane_font;
 }
 
+
 /// Decreases font size_ by one
 FontInfo & FontInfo::decSize()
 {
@@ -136,6 +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)
 {
@@ -153,6 +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_)
@@ -195,6 +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_;
 
@@ -214,6 +280,32 @@ FontInfo & FontInfo::realize(FontInfo const & tmplt)
 }
 
 
+Changer FontInfo::changeColor(ColorCode const color)
+{
+	return make_change(color_, color);
+}
+
+
+Changer FontInfo::changeShape(FontShape const shape)
+{
+	return make_change(shape_, shape);
+}
+
+
+Changer FontInfo::changeStyle(MathStyle const new_style)
+{
+	return make_change(style_, new_style);
+}
+
+
+Changer FontInfo::change(FontInfo font, bool realiz)
+{
+	if (realiz)
+		font.realize(*this);
+	return make_change(*this, font);
+}
+
+
 /// Updates a misc setting according to request
 static FontState setMisc(FontState newfont,
 	FontState org)
@@ -278,6 +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_));
@@ -301,8 +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);
 }
 
@@ -319,87 +412,117 @@ Color FontInfo::realColor() const
 
 namespace {
 
-	void appendSep(string & s1, string const & s2) {
-		if (s2.empty()) 
-			return;
-		s1 += s1.empty() ? "" : "\n";
-		s1 += s2;
-	}
+void appendSep(string & s1, string const & s2)
+{
+	if (s2.empty())
+		return;
+	s1 += s1.empty() ? "" : "\n";
+	s1 += s2;
+}
 
 
-	string makeCSSTag(string const & key, string const & val)
-	{
-		return key + ": " + val + ";";
-	}
+string makeCSSTag(string const & key, string const & val)
+{
+	return key + ": " + val + ";";
+}
 
 
-	string getFamily(FontFamily const & f)
-	{
-		switch (f) {
-		case ROMAN_FAMILY: return "serif";
-		case SANS_FAMILY: return "sans-serif";
-		case TYPEWRITER_FAMILY: return "monospace";
-		case INHERIT_FAMILY: return "inherit";
-		default: break;
-		}
-		return "";
+string getFamilyCSS(FontFamily const & f)
+{
+	switch (f) {
+	case ROMAN_FAMILY:
+		return "serif";
+	case SANS_FAMILY:
+		return "sans-serif";
+	case TYPEWRITER_FAMILY:
+		return "monospace";
+	case SYMBOL_FAMILY:
+	case CMR_FAMILY:
+	case CMSY_FAMILY:
+	case CMM_FAMILY:
+	case CMEX_FAMILY:
+	case MSA_FAMILY:
+	case MSB_FAMILY:
+	case EUFRAK_FAMILY:
+	case RSFS_FAMILY:
+	case STMARY_FAMILY:
+	case WASY_FAMILY:
+	case ESINT_FAMILY:
+	case INHERIT_FAMILY:
+	case IGNORE_FAMILY:
+		break;
 	}
+	return "";
+}
 
 
-	string getSeries(FontSeries const & s)
-	{
-		switch (s) {
-		case MEDIUM_SERIES: return "normal";
-		case BOLD_SERIES: return "bold";
-		case INHERIT_SERIES: return "inherit";
-		default: break;
-		}
-		return "";
+string getSeriesCSS(FontSeries const & s)
+{
+	switch (s) {
+	case MEDIUM_SERIES:
+		return "normal";
+	case BOLD_SERIES:
+		return "bold";
+	case INHERIT_SERIES:
+	case IGNORE_SERIES:
+		break;
 	}
+	return "";
+}
 
 
-	string getShape(FontShape const & s)
-	{
-		string fs = "normal";
-		string fv = "normal";
-		switch (s) {
-		case UP_SHAPE: break;
-		case ITALIC_SHAPE: fs = "italic"; break;
-		case SLANTED_SHAPE: fs = "oblique"; break;
-		case SMALLCAPS_SHAPE: fv = "small-caps"; break;
-		case INHERIT_SHAPE: fs = "inherit"; fv = "inherit"; break;
-		case IGNORE_SHAPE: fs = ""; fv = ""; break;
-		}
-		string retval;
-		if (!fs.empty())
-			appendSep(retval, makeCSSTag("font-style", fs));
-		if (!fv.empty())
-			appendSep(retval, makeCSSTag("font-variant", fv));
-		return retval;
+string getShapeCSS(FontShape const & s)
+{
+	string fs = "normal";
+	string fv = "normal";
+	switch (s) {
+	case UP_SHAPE: break;
+	case ITALIC_SHAPE: fs = "italic"; break;
+	case SLANTED_SHAPE: fs = "oblique"; break;
+	case SMALLCAPS_SHAPE: fv = "small-caps"; break;
+	case IGNORE_SHAPE:
+	case INHERIT_SHAPE:
+		fs = ""; fv = ""; break;
 	}
+	string retval;
+	if (!fs.empty())
+		appendSep(retval, makeCSSTag("font-style", fs));
+	if (!fv.empty())
+		appendSep(retval, makeCSSTag("font-variant", fv));
+	return retval;
+}
 
 
-	string getSize(FontSize const & s)
-	{
-		switch (s) {
-		case FONT_SIZE_TINY: return "xx-small";
-		case FONT_SIZE_SCRIPT: return "x-small";
-		case FONT_SIZE_FOOTNOTE: 
-		case FONT_SIZE_SMALL: return "small";
-		case FONT_SIZE_NORMAL: return "medium";
-		case FONT_SIZE_LARGE: return "large";
-		case FONT_SIZE_LARGER: 
-		case FONT_SIZE_LARGEST: return "x-large";
-		case FONT_SIZE_HUGE: 
-		case FONT_SIZE_HUGER: return "xx-large";
-		case FONT_SIZE_INCREASE: return "larger";
-		case FONT_SIZE_DECREASE: return "smaller";
-		case FONT_SIZE_INHERIT: return "inherit";
-		case FONT_SIZE_IGNORE: return "";
-		}	
-		// squash warning
-		return "";
+string getSizeCSS(FontSize const & s)
+{
+	switch (s) {
+	case FONT_SIZE_TINY:
+		return "xx-small";
+	case FONT_SIZE_SCRIPT:
+		return "x-small";
+	case FONT_SIZE_FOOTNOTE:
+	case FONT_SIZE_SMALL:
+		return "small";
+	case FONT_SIZE_NORMAL:
+		return "medium";
+	case FONT_SIZE_LARGE:
+		return "large";
+	case FONT_SIZE_LARGER:
+	case FONT_SIZE_LARGEST:
+		return "x-large";
+	case FONT_SIZE_HUGE:
+	case FONT_SIZE_HUGER:
+		return "xx-large";
+	case FONT_SIZE_INCREASE:
+		return "larger";
+	case FONT_SIZE_DECREASE:
+		return "smaller";
+	case FONT_SIZE_IGNORE:
+	case FONT_SIZE_INHERIT:
+		break;
 	}
+	return "";
+}
 	
 } // namespace anonymous
 
@@ -408,17 +531,235 @@ namespace {
 docstring FontInfo::asCSS() const 
 {
 	string retval;
-	string tmp = getFamily(family_);
+	string tmp = getFamilyCSS(family_);
 	if (!tmp.empty())
 		appendSep(retval, makeCSSTag("font-family", tmp));
-	tmp = getSeries(series_);
+	tmp = getSeriesCSS(series_);
 	if (!tmp.empty())
-		appendSep(retval, makeCSSTag("font-series", tmp));
-	appendSep(retval, getShape(shape_));
-	tmp = getSize(size_);
+		appendSep(retval, makeCSSTag("font-weight", tmp));
+	appendSep(retval, getShapeCSS(shape_));
+	tmp = getSizeCSS(size_);
 	if (!tmp.empty())
 		appendSep(retval, makeCSSTag("font-size", tmp));
 	return from_ascii(retval);	
 }
 
+
+// Set family according to lyx format string
+void setLyXFamily(string const & fam, FontInfo & f)
+{
+	string const s = ascii_lowercase(fam);
+
+	int i = 0;
+	while (LyXFamilyNames[i] != s &&
+	       LyXFamilyNames[i] != string("error"))
+		++i;
+	if (s == LyXFamilyNames[i])
+		f.setFamily(FontFamily(i));
+	else
+		LYXERR0("Unknown family `" << s << '\'');
+}
+
+
+// Set series according to lyx format string
+void setLyXSeries(string const & ser, FontInfo & f)
+{
+	string const s = ascii_lowercase(ser);
+
+	int i = 0;
+	while (LyXSeriesNames[i] != s &&
+	       LyXSeriesNames[i] != string("error")) ++i;
+	if (s == LyXSeriesNames[i]) {
+		f.setSeries(FontSeries(i));
+	} else
+		LYXERR0("Unknown series `" << s << '\'');
+}
+
+
+// Set shape according to lyx format string
+void setLyXShape(string const & sha, FontInfo & f)
+{
+	string const s = ascii_lowercase(sha);
+
+	int i = 0;
+	while (LyXShapeNames[i] != s && LyXShapeNames[i] != string("error"))
+			++i;
+	if (s == LyXShapeNames[i])
+		f.setShape(FontShape(i));
+	else
+		LYXERR0("Unknown shape `" << s << '\'');
+}
+
+
+// Set size according to lyx format string
+void setLyXSize(string const & siz, FontInfo & f)
+{
+	string const s = ascii_lowercase(siz);
+	int i = 0;
+	while (LyXSizeNames[i] != s && LyXSizeNames[i] != string("error"))
+		++i;
+	if (s == LyXSizeNames[i]) {
+		f.setSize(FontSize(i));
+	} else
+		LYXERR0("Unknown size `" << s << '\'');
+}
+
+
+// Set size according to lyx format string
+FontState setLyXMisc(string const & siz)
+{
+	string const s = ascii_lowercase(siz);
+	int i = 0;
+	while (LyXMiscNames[i] != s &&
+	       LyXMiscNames[i] != string("error")) ++i;
+	if (s == LyXMiscNames[i])
+		return FontState(i);
+	LYXERR0("Unknown misc flag `" << s << '\'');
+	return FONT_OFF;
+}
+
+
+/// Sets color after LyX text format
+void setLyXColor(string const & col, FontInfo & f)
+{
+	f.setColor(lcolor.getFromLyXName(col));
+}
+
+
+// Read a font definition from given file in lyx format
+// Used for layouts
+FontInfo lyxRead(Lexer & lex, FontInfo const & fi)
+{
+	FontInfo f = fi;
+	bool error = false;
+	bool finished = false;
+	while (!finished && lex.isOK() && !error) {
+		lex.next();
+		string const tok = ascii_lowercase(lex.getString());
+
+		if (tok.empty()) {
+			continue;
+		} else if (tok == "endfont") {
+			finished = true;
+		} else if (tok == "family") {
+			lex.next();
+			string const ttok = lex.getString();
+			setLyXFamily(ttok, f);
+		} else if (tok == "series") {
+			lex.next();
+			string const ttok = lex.getString();
+			setLyXSeries(ttok, f);
+		} else if (tok == "shape") {
+			lex.next();
+			string const ttok = lex.getString();
+			setLyXShape(ttok, f);
+		} else if (tok == "size") {
+			lex.next();
+			string const ttok = lex.getString();
+			setLyXSize(ttok, f);
+		} else if (tok == "misc") {
+			lex.next();
+			string const ttok = ascii_lowercase(lex.getString());
+
+			if (ttok == "no_bar") {
+				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") {
+				f.setUwave(FONT_OFF);
+			} else if (ttok == "no_emph") {
+				f.setEmph(FONT_OFF);
+			} else if (ttok == "no_noun") {
+				f.setNoun(FONT_OFF);
+			} else if (ttok == "emph") {
+				f.setEmph(FONT_ON);
+			} else if (ttok == "underbar") {
+				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") {
+				f.setUwave(FONT_ON);
+			} else if (ttok == "noun") {
+				f.setNoun(FONT_ON);
+			} else {
+				lex.printError("Illegal misc type");
+			}
+		} else if (tok == "color") {
+			lex.next();
+			string const ttok = lex.getString();
+			setLyXColor(ttok, f);
+		} else {
+			lex.printError("Unknown tag");
+			error = true;
+		}
+	}
+	return f;
+}
+
+
+void lyxWrite(ostream & os, FontInfo const & f, string const & start, int level)
+{
+	string indent;
+	for (int i = 0; i < level; ++i)
+		indent += '\t';
+	ostringstream oss;
+	if (f.family() != INHERIT_FAMILY)
+		oss << indent << "\tFamily " << LyXFamilyNames[f.family()]
+		    << '\n';
+	if (f.series() != INHERIT_SERIES)
+		oss << indent << "\tSeries " << LyXSeriesNames[f.series()]
+		    << '\n';
+	if (f.shape() != INHERIT_SHAPE)
+		oss << indent << "\tShape " << LyXShapeNames[f.shape()]
+		    << '\n';
+	if (f.size() != FONT_SIZE_INHERIT)
+		oss << indent << "\tSize " << LyXSizeNames[f.size()]
+		    << '\n';
+	if (f.underbar() == FONT_ON)
+		oss << indent << "\tMisc Underbar\n";
+	else if (f.underbar() == FONT_OFF)
+		oss << indent << "\tMisc No_Bar\n";
+	if (f.strikeout() == FONT_ON)
+		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)
+		oss << indent << "\tMisc No_Uuline\n";
+	if (f.uwave() == FONT_ON)
+		oss << indent << "\tMisc Uwave\n";
+	else if (f.uwave() == FONT_OFF)
+		oss << indent << "\tMisc No_Uwave\n";
+	if (f.emph() == FONT_ON)
+		oss << indent << "\tMisc Emph\n";
+	else if (f.emph() == FONT_OFF)
+		oss << indent << "\tMisc No_Emph\n";
+	if (f.noun() == FONT_ON)
+		oss << indent << "\tMisc Noun\n";
+	else if (f.noun() == FONT_OFF)
+		oss << indent << "\tMisc No_Noun\n";
+	if (f.color() != Color_inherit && f.color() != Color_none)
+		oss << indent << "\tColor " << lcolor.getLyXName(f.color())
+		    << '\n';
+	if (!oss.str().empty()) {
+		os << indent << start << '\n'
+		   << oss.str()
+		   << indent << "EndFont\n";
+	}
+}
+
+
 } // namespace lyx