lyx_mirror/src/frontends/qt4/GuiFontLoader.cpp

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/**
* \file GuiFontLoader.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "GuiFontLoader.h"
#include "qt_helpers.h"
#include "debug.h"
#include "LyXRC.h"
#include "support/convert.h"
#include "support/filetools.h"
#include "support/lstrings.h"
Rename files in src/support, step one. src/support/package.h src/support/Package.h Package src/support/package.C.in src/support/Package.C.in Package src/support/path.h src/support/Path.h Path src/support/fs_extras.h src/support/fs_extras.h NOCLASSES src/support/RandomAccessList.h src/support/RandomAccessList.h RandomAccessList src/support/lyxmanip.h src/support/lyxmanip.h NOCLASSES src/support/rename.C src/support/rename.cpp NOCLASSES src/support/abort.C src/support/abort.cpp NOCLASSES src/support/lyxlib.h src/support/lyxlib.h NOCLASSES src/support/ExceptionMessage.h src/support/ExceptionMessage.h ExceptionMessage src/support/copy.C src/support/copy.cpp NOCLASSES src/support/limited_stack.h src/support/limited_stack.h limited_stack src/support/filefilterlist.C src/support/FileFilterList.cpp ['FileFilterList', 'Filter'] src/support/cow_ptr.h src/support/cow_ptr.h cow_ptr src/support/os_unix.C src/support/os_unix.cpp NOCLASSES src/support/socktools.h src/support/socktools.h NOCLASSES src/support/forkedcontr.h src/support/ForkedcallsController.h ForkedcallsController src/support/os.h src/support/os.h NOCLASSES src/support/FileMonitor.h src/support/FileMonitor.h FileMonitor src/support/copied_ptr.h src/support/copied_ptr.h copied_ptr src/support/translator.h src/support/Translator.h Translator src/support/filetools.C src/support/filetools.cpp NOCLASSES src/support/unlink.C src/support/unlink.cpp NOCLASSES src/support/os_win32.C src/support/os_win32.cpp GetFolderPath src/support/lstrings.C src/support/lstrings.cpp NOCLASSES src/support/qstring_helpers.C src/support/qstring_helpers.cpp NOCLASSES src/support/getcwd.C src/support/getcwd.cpp NOCLASSES src/support/systemcall.C src/support/Systemcall.cpp Systemcall src/support/lyxalgo.h src/support/lyxalgo.h NOCLASSES src/support/filefilterlist.h src/support/FileFilterList.h ['FileFilterList', 'Filter'] src/support/unicode.C src/support/unicode.cpp IconvProcessor src/support/userinfo.C src/support/userinfo.cpp NOCLASSES src/support/lyxtime.C src/support/lyxtime.cpp NOCLASSES src/support/kill.C src/support/kill.cpp NOCLASSES src/support/docstring.C src/support/docstring.cpp to_local8bit_failure src/support/os_cygwin.C src/support/os_cygwin.cpp NOCLASSES src/support/lyxsum.C src/support/lyxsum.cpp NOCLASSES src/support/environment.C src/support/environment.cpp NOCLASSES src/support/filetools.h src/support/filetools.h NOCLASSES src/support/textutils.C src/support/textutils.cpp NOCLASSES src/support/mkdir.C src/support/mkdir.cpp NOCLASSES src/support/forkedcall.C src/support/Forkedcall.cpp ['ForkedProcess', 'Forkedcall'] src/support/tempname.C src/support/tempname.cpp NOCLASSES src/support/os_win32.h src/support/os_win32.h GetFolderPath src/support/types.h src/support/types.h NOCLASSES src/support/lstrings.h src/support/lstrings.h NOCLASSES src/support/forkedcallqueue.C src/support/ForkedCallQueue.cpp ForkedCallQueue src/support/qstring_helpers.h src/support/qstring_helpers.h NOCLASSES src/support/convert.C src/support/convert.cpp NOCLASSES src/support/filename.C src/support/FileName.cpp ['FileName', 'DocFileName'] src/support/tests/convert.C src/support/tests/convert.cpp NOCLASSES src/support/tests/filetools.C src/support/tests/filetools.cpp NOCLASSES src/support/tests/lstrings.C src/support/tests/lstrings.cpp NOCLASSES src/support/tests/boost.C src/support/tests/boost.cpp NOCLASSES src/support/docstream.C src/support/docstream.cpp ['iconv_codecvt_facet_exception', 'idocfstream', 'odocfstream'] src/support/std_istream.h src/support/std_istream.h NOCLASSES src/support/systemcall.h src/support/Systemcall.h Systemcall src/support/chdir.C src/support/chdir.cpp NOCLASSES src/support/std_ostream.h src/support/std_ostream.h NOCLASSES src/support/unicode.h src/support/unicode.h IconvProcessor src/support/path.C src/support/Path.cpp Path src/support/fs_extras.C src/support/fs_extras.cpp NOCLASSES src/support/userinfo.h src/support/userinfo.h NOCLASSES src/support/lyxtime.h src/support/lyxtime.h NOCLASSES src/support/docstring.h src/support/docstring.h to_local8bit_failure src/support/debugstream.h src/support/debugstream.h basic_debugstream src/support/environment.h src/support/environment.h NOCLASSES src/support/textutils.h src/support/textutils.h NOCLASSES src/support/forkedcall.h src/support/Forkedcall.h ['ForkedProcess', 'Forkedcall'] src/support/socktools.C src/support/socktools.cpp NOCLASSES src/support/forkedcallqueue.h src/support/ForkedCallQueue.h ForkedCallQueue src/support/forkedcontr.C src/support/ForkedcallsController.cpp ForkedcallsController src/support/os.C src/support/os.cpp NOCLASSES src/support/convert.h src/support/convert.h NOCLASSES src/support/filename.h src/support/FileName.h ['FileName', 'DocFileName'] src/support/docstream.h src/support/docstream.h ['iconv_codecvt_facet_exception', 'idocfstream', 'odocfstream'] src/support/FileMonitor.C src/support/FileMonitor.cpp FileMonitor git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18024 a592a061-630c-0410-9148-cb99ea01b6c8
2007-04-26 05:12:52 +00:00
#include "support/Systemcall.h"
#include "support/Package.h"
#include "support/os.h"
#include <QFontInfo>
#include <QFontDatabase>
using lyx::support::contains;
using lyx::support::package;
using lyx::support::addPath;
using lyx::support::addName;
using std::endl;
using std::make_pair;
using std::pair;
using std::vector;
using std::string;
#if QT_VERSION >= 0x040200
string const math_fonts[] = {"cmex10", "cmmi10", "cmr10", "cmsy10",
"eufm10", "msam10", "msbm10", "wasy10", "esint10"};
int const num_math_fonts = sizeof(math_fonts) / sizeof(*math_fonts);
#endif
namespace lyx {
namespace frontend {
namespace {
struct symbol_font {
Font::FONT_FAMILY lyx_family;
string family;
string xlfd;
};
symbol_font symbol_fonts[] = {
{ Font::SYMBOL_FAMILY,
"symbol",
"-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific" },
{ Font::CMR_FAMILY,
"cmr10",
"-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::CMSY_FAMILY,
"cmsy10",
"-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::CMM_FAMILY,
"cmmi10",
"-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::CMEX_FAMILY,
"cmex10",
"-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::MSA_FAMILY,
"msam10",
"-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::MSB_FAMILY,
"msbm10",
"-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::EUFRAK_FAMILY,
"eufm10",
"-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::WASY_FAMILY,
"wasy10",
Add support for the esint package * src/LaTeXFeatures.C (LaTeXFeatures::getPackages): handle esint and wasysym * src/mathed/MathMacroTable.[Ch] (requires_): New member: tell the feature this macro requires (MacroTable::insert): take new requires arg * src/mathed/MathMacroTemplate.C (MathMacroTemplate::asMacroData): adjust to change above * src/mathed/MathSupport.C (fontinfos): add esint10 font * src/mathed/InsetMathHull.C (InsetMathHull::doDispatch): AMS_ON -> package_on * src/mathed/MathMacroTable.h * src/mathed/MathFactory.C (initSymbols): read and store requires field for symbols * src/mathed/InsetMathSymbol.C (InsetMathSymbol::metrics): handle esint (InsetMathSymbol::takesLimits): ditto * src/buffer.C (LYX_FORMAT): update format (Buffer::validate): handle esint, AMS_ON -> package_on * src/bufferparams.C: (AMSTranslator): Rename to PackageTranslator (BufferParams::readToken): Read \use_esint (BufferParams::writeFile): Write \use_esint * src/frontends/qt4/QDocumentDialog.C: handle esint * src/frontends/qt4/ui/MathsUi.ui : add esint checkboxes * src/frontends/qt4/GuiFontLoader.C (symbol_fonts: Add esint10 font (symbolFamily): handle esint10 font (isChosenFont): Add comment * src/frontends/controllers/ControlMath.C (latex_varsz): Add new integral symbols * src/support/fontutils.C (win_fonts_truetype): Add esint10 font * src/bufferparams.h (enum AMS): rename to enum Package (use_esint): new parameter * src/lyxfont.[Ch]: Add esint font * lib/symbols: Add new integral symbols * lib/lyx2lyx/LyX.py (format_relation): Update format * lib/lyx2lyx/lyx_1_5.py: handle new format * lib/chkconfig.ltx: Test esint package * lib/images/math/oiintop.xpm * lib/images/math/sqintop.xpm * lib/images/math/sqint.xpm * lib/images/math/ointctrclockwiseop.xpm * lib/images/math/ointctrclockwise.xpm * lib/images/math/iiintop.xpm * lib/images/math/iintop.xpm * lib/images/math/sqiint.xpm * lib/images/math/iiint.xpm * lib/images/math/ointclockwiseop.xpm * lib/images/math/oiint.xpm * lib/images/math/dotsintop.xpm * lib/images/math/sqiintop.xpm * lib/images/math/ointclockwise.xpm * lib/images/math/iiiintop.xpm * lib/images/math/dotsint.xpm * lib/images/math/iiiint.xpm * lib/images/math/iint.xpm: new icons * lib/doc/LaTeXConfig.lyx.in: Add docs for esint package * lib/doc/UserGuide.lyx: Add short documentation of integral symbols * lib/Makefile.am: Add new files * development/scons/scons_manifest.py: ditto git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15907 a592a061-630c-0410-9148-cb99ea01b6c8
2006-11-13 17:35:18 +00:00
"-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" },
{ Font::ESINT_FAMILY,
Add support for the esint package * src/LaTeXFeatures.C (LaTeXFeatures::getPackages): handle esint and wasysym * src/mathed/MathMacroTable.[Ch] (requires_): New member: tell the feature this macro requires (MacroTable::insert): take new requires arg * src/mathed/MathMacroTemplate.C (MathMacroTemplate::asMacroData): adjust to change above * src/mathed/MathSupport.C (fontinfos): add esint10 font * src/mathed/InsetMathHull.C (InsetMathHull::doDispatch): AMS_ON -> package_on * src/mathed/MathMacroTable.h * src/mathed/MathFactory.C (initSymbols): read and store requires field for symbols * src/mathed/InsetMathSymbol.C (InsetMathSymbol::metrics): handle esint (InsetMathSymbol::takesLimits): ditto * src/buffer.C (LYX_FORMAT): update format (Buffer::validate): handle esint, AMS_ON -> package_on * src/bufferparams.C: (AMSTranslator): Rename to PackageTranslator (BufferParams::readToken): Read \use_esint (BufferParams::writeFile): Write \use_esint * src/frontends/qt4/QDocumentDialog.C: handle esint * src/frontends/qt4/ui/MathsUi.ui : add esint checkboxes * src/frontends/qt4/GuiFontLoader.C (symbol_fonts: Add esint10 font (symbolFamily): handle esint10 font (isChosenFont): Add comment * src/frontends/controllers/ControlMath.C (latex_varsz): Add new integral symbols * src/support/fontutils.C (win_fonts_truetype): Add esint10 font * src/bufferparams.h (enum AMS): rename to enum Package (use_esint): new parameter * src/lyxfont.[Ch]: Add esint font * lib/symbols: Add new integral symbols * lib/lyx2lyx/LyX.py (format_relation): Update format * lib/lyx2lyx/lyx_1_5.py: handle new format * lib/chkconfig.ltx: Test esint package * lib/images/math/oiintop.xpm * lib/images/math/sqintop.xpm * lib/images/math/sqint.xpm * lib/images/math/ointctrclockwiseop.xpm * lib/images/math/ointctrclockwise.xpm * lib/images/math/iiintop.xpm * lib/images/math/iintop.xpm * lib/images/math/sqiint.xpm * lib/images/math/iiint.xpm * lib/images/math/ointclockwiseop.xpm * lib/images/math/oiint.xpm * lib/images/math/dotsintop.xpm * lib/images/math/sqiintop.xpm * lib/images/math/ointclockwise.xpm * lib/images/math/iiiintop.xpm * lib/images/math/dotsint.xpm * lib/images/math/iiiint.xpm * lib/images/math/iint.xpm: new icons * lib/doc/LaTeXConfig.lyx.in: Add docs for esint package * lib/doc/UserGuide.lyx: Add short documentation of integral symbols * lib/Makefile.am: Add new files * development/scons/scons_manifest.py: ditto git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15907 a592a061-630c-0410-9148-cb99ea01b6c8
2006-11-13 17:35:18 +00:00
"esint10",
"-*-esint10-medium-*-*-*-*-*-*-*-*-*-*-*" }
};
size_t const nr_symbol_fonts = sizeof(symbol_fonts) / sizeof(symbol_font);
string getRawName(string const & family)
{
for (size_t i = 0; i < nr_symbol_fonts; ++i)
if (family == symbol_fonts[i].family)
return symbol_fonts[i].xlfd;
LYXERR(Debug::FONT) << "BUG: family not found !" << endl;
return string();
}
string const symbolFamily(Font::FONT_FAMILY family)
{
for (size_t i = 0; i < nr_symbol_fonts; ++i) {
if (family == symbol_fonts[i].lyx_family)
return symbol_fonts[i].family;
}
return string();
}
bool isSymbolFamily(Font::FONT_FAMILY family)
{
return family >= Font::SYMBOL_FAMILY &&
family <= Font::ESINT_FAMILY;
}
bool isChosenFont(QFont & font, string const & family)
{
Add support for the esint package * src/LaTeXFeatures.C (LaTeXFeatures::getPackages): handle esint and wasysym * src/mathed/MathMacroTable.[Ch] (requires_): New member: tell the feature this macro requires (MacroTable::insert): take new requires arg * src/mathed/MathMacroTemplate.C (MathMacroTemplate::asMacroData): adjust to change above * src/mathed/MathSupport.C (fontinfos): add esint10 font * src/mathed/InsetMathHull.C (InsetMathHull::doDispatch): AMS_ON -> package_on * src/mathed/MathMacroTable.h * src/mathed/MathFactory.C (initSymbols): read and store requires field for symbols * src/mathed/InsetMathSymbol.C (InsetMathSymbol::metrics): handle esint (InsetMathSymbol::takesLimits): ditto * src/buffer.C (LYX_FORMAT): update format (Buffer::validate): handle esint, AMS_ON -> package_on * src/bufferparams.C: (AMSTranslator): Rename to PackageTranslator (BufferParams::readToken): Read \use_esint (BufferParams::writeFile): Write \use_esint * src/frontends/qt4/QDocumentDialog.C: handle esint * src/frontends/qt4/ui/MathsUi.ui : add esint checkboxes * src/frontends/qt4/GuiFontLoader.C (symbol_fonts: Add esint10 font (symbolFamily): handle esint10 font (isChosenFont): Add comment * src/frontends/controllers/ControlMath.C (latex_varsz): Add new integral symbols * src/support/fontutils.C (win_fonts_truetype): Add esint10 font * src/bufferparams.h (enum AMS): rename to enum Package (use_esint): new parameter * src/lyxfont.[Ch]: Add esint font * lib/symbols: Add new integral symbols * lib/lyx2lyx/LyX.py (format_relation): Update format * lib/lyx2lyx/lyx_1_5.py: handle new format * lib/chkconfig.ltx: Test esint package * lib/images/math/oiintop.xpm * lib/images/math/sqintop.xpm * lib/images/math/sqint.xpm * lib/images/math/ointctrclockwiseop.xpm * lib/images/math/ointctrclockwise.xpm * lib/images/math/iiintop.xpm * lib/images/math/iintop.xpm * lib/images/math/sqiint.xpm * lib/images/math/iiint.xpm * lib/images/math/ointclockwiseop.xpm * lib/images/math/oiint.xpm * lib/images/math/dotsintop.xpm * lib/images/math/sqiintop.xpm * lib/images/math/ointclockwise.xpm * lib/images/math/iiiintop.xpm * lib/images/math/dotsint.xpm * lib/images/math/iiiint.xpm * lib/images/math/iint.xpm: new icons * lib/doc/LaTeXConfig.lyx.in: Add docs for esint package * lib/doc/UserGuide.lyx: Add short documentation of integral symbols * lib/Makefile.am: Add new files * development/scons/scons_manifest.py: ditto git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15907 a592a061-630c-0410-9148-cb99ea01b6c8
2006-11-13 17:35:18 +00:00
// QFontInfo won't find a font that has only a few glyphs at unusual
// positions, e.g. the original esint10 font.
// The workaround is to add dummy glyphs at least at all ASCII
// positions.
QFontInfo fi(font);
LYXERR(Debug::FONT) << "got: " << fromqstr(fi.family()) << endl;
if (contains(fromqstr(fi.family()), family)) {
LYXERR(Debug::FONT) << " got it ";
return true;
}
return false;
}
pair<QFont, bool> const getSymbolFont(string const & family)
{
LYXERR(Debug::FONT) << "Looking for font family "
<< family << " ... ";
string upper = family;
upper[0] = toupper(family[0]);
QFont font;
font.setKerning(false);
font.setFamily(toqstr(family));
if (isChosenFont(font, family)) {
LYXERR(Debug::FONT) << "normal!" << endl;
return make_pair<QFont, bool>(font, true);
}
LYXERR(Debug::FONT) << "Trying " << upper << " ... ";
font.setFamily(toqstr(upper));
if (isChosenFont(font, upper)) {
LYXERR(Debug::FONT) << "upper!" << endl;
return make_pair<QFont, bool>(font, true);
}
// A simple setFamily() fails on Qt 2
string const rawName = getRawName(family);
LYXERR(Debug::FONT) << "Trying " << rawName << " ... ";
font.setRawName(toqstr(rawName));
if (isChosenFont(font, family)) {
LYXERR(Debug::FONT) << "raw version!" << endl;
return make_pair<QFont, bool>(font, true);
}
LYXERR(Debug::FONT) << " FAILED :-(" << endl;
return make_pair<QFont, bool>(font, false);
}
} // namespace anon
GuiFontLoader::GuiFontLoader()
{
#if QT_VERSION >= 0x040200
fontID = new int[num_math_fonts];
string const fonts_dir =
addPath(package().system_support().absFilename(), "fonts");
for (int i = 0 ; i < num_math_fonts; ++i) {
string const font_file = lyx::support::os::external_path(
addName(fonts_dir, math_fonts[i] + ".ttf"));
fontID[i] = QFontDatabase::addApplicationFont(toqstr(font_file));
LYXERR(Debug::FONT) << "Adding font " << font_file
<< static_cast<const char *>
(fontID[i] < 0 ? " FAIL" : " OK")
<< endl;
}
#endif
for (int i1 = 0; i1 < Font::NUM_FAMILIES; ++i1)
for (int i2 = 0; i2 < 2; ++i2)
for (int i3 = 0; i3 < 4; ++i3)
for (int i4 = 0; i4 < 10; ++i4)
fontinfo_[i1][i2][i3][i4] = 0;
}
GuiFontLoader::~GuiFontLoader()
{
#if QT_VERSION >= 0x040200
for (int i = 0 ; i < num_math_fonts; ++i) {
if (fontID[i] >= 0)
QFontDatabase::removeApplicationFont(fontID[i]);
}
delete [] fontID;
#endif
}
void GuiFontLoader::update()
{
for (int i1 = 0; i1 < Font::NUM_FAMILIES; ++i1) {
for (int i2 = 0; i2 < 2; ++i2)
for (int i3 = 0; i3 < 4; ++i3)
for (int i4 = 0; i4 < 10; ++i4) {
delete fontinfo_[i1][i2][i3][i4];
fontinfo_[i1][i2][i3][i4] = 0;
}
}
}
/////////////////////////////////////////////////
QLFontInfo::QLFontInfo(Font const & f)
{
font.setKerning(false);
string const pat = symbolFamily(f.family());
if (!pat.empty()) {
bool tmp;
boost::tie(font, tmp) = getSymbolFont(pat);
} else {
switch (f.family()) {
case Font::ROMAN_FAMILY: {
QString family = toqstr(makeFontName(lyxrc.roman_font_name,
lyxrc.roman_font_foundry));
font.setFamily(family);
#ifdef Q_WS_MACX
#if QT_VERSION >= 0x040300
// Workaround for a Qt bug, see http://bugzilla.lyx.org/show_bug.cgi?id=3684
// It is reported to Trolltech at 02/06/07 against 4.3 final.
// FIXME: Add an upper version limit as soon as the bug is fixed in Qt.
if (family == "Times" && !font.exactMatch())
font.setFamily(QString::fromLatin1("Times New Roman"));
#endif
#endif
break;
}
case Font::SANS_FAMILY:
font.setFamily(toqstr(makeFontName(lyxrc.sans_font_name,
lyxrc.sans_font_foundry)));
break;
case Font::TYPEWRITER_FAMILY:
font.setFamily(toqstr(makeFontName(lyxrc.typewriter_font_name,
lyxrc.typewriter_font_foundry)));
break;
default:
break;
}
}
switch (f.series()) {
case Font::MEDIUM_SERIES:
font.setWeight(QFont::Normal);
break;
case Font::BOLD_SERIES:
font.setWeight(QFont::Bold);
break;
default:
break;
}
switch (f.realShape()) {
case Font::ITALIC_SHAPE:
case Font::SLANTED_SHAPE:
font.setItalic(true);
break;
default:
break;
}
LYXERR(Debug::FONT) << "Font '" << to_utf8(f.stateText(0))
<< "' matched by\n" << fromqstr(font.family()) << endl;
// Is this an exact match?
if (font.exactMatch())
LYXERR(Debug::FONT) << "This font is an exact match" << endl;
else
LYXERR(Debug::FONT) << "This font is NOT an exact match"
<< endl;
LYXERR(Debug::FONT) << "XFLD: " << fromqstr(font.rawName()) << endl;
font.setPointSizeF(convert<double>(lyxrc.font_sizes[f.size()])
* lyxrc.zoom / 100.0);
LYXERR(Debug::FONT) << "The font has size: "
<< font.pointSizeF() << endl;
if (f.realShape() != Font::SMALLCAPS_SHAPE) {
metrics.reset(new GuiFontMetrics(font));
}
else {
// handle small caps ourselves ...
Font smallfont = f;
smallfont.decSize().decSize().setShape(Font::UP_SHAPE);
QFont font2(font);
font2.setKerning(false);
font2.setPointSizeF(convert<double>(lyxrc.font_sizes[smallfont.size()])
* lyxrc.zoom / 100.0);
metrics.reset(new GuiFontMetrics(font, font2));
}
}
bool GuiFontLoader::available(Font const & f)
{
static vector<int> cache_set(Font::NUM_FAMILIES, false);
static vector<int> cache(Font::NUM_FAMILIES, false);
Font::FONT_FAMILY family = f.family();
if (cache_set[family])
return cache[family];
cache_set[family] = true;
string const pat = symbolFamily(family);
if (pat.empty())
// We don't care about non-symbol fonts
return false;
pair<QFont, bool> tmp = getSymbolFont(pat);
if (!tmp.second)
return false;
cache[family] = true;
return true;
}
} // namespace frontend
} // namespace lyx