+#include "mathed/math_cursor.h"
+
+#include "support/tostr.h"
+#include "Lsstream.h"
+
+#include "insets/updatableinset.h"
+
+using namespace lyx::support;
+
+
+namespace {
+
+LyXFont freefont(LyXFont::ALL_IGNORE);
+bool toggleall(false);
+
+}
+
+namespace bv_funcs {
+
+// Set data using font and toggle
+// If successful, returns true
+bool font2string(LyXFont const & font, bool toggle, string & data)
+{
+ string lang = "ignore";
+ if (font.language())
+ lang = font.language()->lang();
+
+ ostringstream os;
+ os << "family " << font.family() << '\n'
+ << "series " << font.series() << '\n'
+ << "shape " << font.shape() << '\n'
+ << "size " << font.size() << '\n'
+ << "emph " << font.emph() << '\n'
+ << "underbar " << font.underbar() << '\n'
+ << "noun " << font.noun() << '\n'
+ << "number " << font.number() << '\n'
+ << "color " << font.color() << '\n'
+ << "language " << lang << '\n'
+ << "toggleall " << tostr(toggle);
+ data = STRCONV(os.str());
+ return true;
+}
+
+
+// Set font and toggle using data
+// If successful, returns true
+bool string2font(string const & data, LyXFont & font, bool & toggle)
+{
+ istringstream is(STRCONV(data));
+ LyXLex lex(0,0);
+ lex.setStream(is);
+
+ int nset = 0;
+ while (lex.isOK()) {
+ string token;
+ if (lex.next())
+ token = lex.getString();
+
+ if (token.empty() || !lex.next())
+ break;
+
+ if (token == "family") {
+ int const next = lex.getInteger();
+ font.setFamily(LyXFont::FONT_FAMILY(next));
+
+ } else if (token == "series") {
+ int const next = lex.getInteger();
+ font.setSeries(LyXFont::FONT_SERIES(next));
+
+ } else if (token == "shape") {
+ int const next = lex.getInteger();
+ font.setShape(LyXFont::FONT_SHAPE(next));
+
+ } else if (token == "size") {
+ int const next = lex.getInteger();
+ font.setSize(LyXFont::FONT_SIZE(next));
+
+ } else if (token == "emph" || token == "underbar" ||
+ token == "noun" || token == "number") {
+
+ int const next = lex.getInteger();
+ LyXFont::FONT_MISC_STATE const misc =
+ LyXFont::FONT_MISC_STATE(next);
+
+ if (token == "emph")
+ font.setEmph(misc);
+ else if (token == "underbar")
+ font.setUnderbar(misc);
+ else if (token == "noun")
+ font.setNoun(misc);
+ else if (token == "number")
+ font.setNumber(misc);
+
+ } else if (token == "color") {
+ int const next = lex.getInteger();
+ font.setColor(LColor::color(next));
+
+ } else if (token == "language") {
+ string const next = lex.getString();
+ if (next == "ignore")
+ font.setLanguage(ignore_language);
+ else
+ font.setLanguage(languages.getLanguage(next));
+
+ } else if (token == "toggleall") {
+ toggle = lex.getBool();
+
+ } else {
+ // Unrecognised token
+ break;
+ }
+
+ ++nset;
+ }
+ return (nset > 0);
+}
+
+
+string const freefont2string()
+{
+ string data;
+ if (font2string(freefont, toggleall, data))
+ return data;
+ return string();
+}
+
+
+void update_and_apply_freefont(BufferView * bv, string const & data)
+{
+ LyXFont font;
+ bool toggle;
+ if (string2font(data, font, toggle)) {
+ freefont = font;
+ toggleall = toggle;
+ apply_freefont(bv);
+ }
+}
+
+
+void apply_freefont(BufferView * bv)
+{
+ toggleAndShow(bv, freefont, toggleall);
+ bv->owner()->view_state_changed();
+ bv->owner()->message(_("Character set"));
+}