diff options
Diffstat (limited to 'src/gui/text/qfontdatabase.cpp')
-rw-r--r-- | src/gui/text/qfontdatabase.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp index 46e5736b68..4be2197c68 100644 --- a/src/gui/text/qfontdatabase.cpp +++ b/src/gui/text/qfontdatabase.cpp @@ -2852,6 +2852,41 @@ QString QFontDatabase::resolveFontFamilyAlias(const QString &family) return QGuiApplicationPrivate::platformIntegration()->fontDatabase()->resolveFontFamilyAlias(family); } +Q_GUI_EXPORT QStringList qt_sort_families_by_writing_system(QChar::Script script, const QStringList &families) +{ + size_t writingSystem = std::find(scriptForWritingSystem, + scriptForWritingSystem + QFontDatabase::WritingSystemsCount, + script) - scriptForWritingSystem; + if (writingSystem == QFontDatabase::Any + || writingSystem >= QFontDatabase::WritingSystemsCount) { + return families; + } + + QFontDatabasePrivate *db = privateDb(); + QMultiMap<uint, QString> supported; + for (int i = 0; i < families.size(); ++i) { + const QString &family = families.at(i); + + QtFontFamily *testFamily = nullptr; + for (int x = 0; x < db->count; ++x) { + if (Q_UNLIKELY(matchFamilyName(family, db->families[x]))) { + testFamily = db->families[x]; + testFamily->ensurePopulated(); + break; + } + } + + uint order = i; + if (testFamily == nullptr + || (testFamily->writingSystems[writingSystem] & QtFontFamily::Supported) == 0) { + order |= 1 << 31; + } + + supported.insert(order, family); + } + + return supported.values(); +} QT_END_NAMESPACE |