1 files changed, 66 insertions, 1 deletions

diff --git a/src/gui/text/qfont.cpp b/src/gui/text/qfont.cpp
index a23ef95fde..258a9ba675 100644
--- a/src/gui/text/qfont.cpp
+++ b/src/gui/text/qfont.cpp
@@ -116,7 +116,17 @@ bool QFontDef::exactMatch(const QFontDef &other) const
     if (stretch != 0 && other.stretch != 0 && stretch != other.stretch)
         return false;
 
+    if (families.size() != other.families.size())
+        return false;
+
     QString this_family, this_foundry, other_family, other_foundry;
+    for (int i = 0; i < families.size(); ++i) {
+        QFontDatabase::parseFontName(families.at(i), this_foundry, this_family);
+        QFontDatabase::parseFontName(other.families.at(i), other_foundry, other_family);
+        if (this_family != other_family || this_foundry != other_foundry)
+            return false;
+    }
+
     QFontDatabase::parseFontName(family, this_foundry, this_family);
     QFontDatabase::parseFontName(other.family, other_foundry, other_family);
 
@@ -261,6 +271,9 @@ void QFontPrivate::resolve(uint mask, const QFontPrivate *other)
     if (! (mask & QFont::FamilyResolved))
         request.family = other->request.family;
 
+    if (!(mask & QFont::FamiliesResolved))
+        request.families = other->request.families;
+
     if (! (mask & QFont::StyleNameResolved))
         request.styleName = other->request.styleName;
 
@@ -424,7 +437,8 @@ QFontEngineData::~QFontEngineData()
     \target fontmatching
     The font matching algorithm works as follows:
     \list 1
-    \li If the specified font family exists and can be used to represent
+    \li The specified font families (set by setFamilies()) are searched for.
+    \li If not found, then if set the specified font family exists and can be used to represent
         the writing system in use, it will be selected.
     \li If not, a replacement font that supports the writing system is
         selected. The font matching algorithm will try to find the
@@ -506,6 +520,7 @@ QFontEngineData::~QFontEngineData()
     individually and then considered resolved.
 
     \value FamilyResolved
+    \value FamiliesResolved
     \value SizeResolved
     \value StyleHintResolved
     \value StyleStrategyResolved
@@ -1691,6 +1706,7 @@ bool QFont::operator<(const QFont &f) const
     if (r1.stretch != r2.stretch) return r1.stretch < r2.stretch;
     if (r1.styleHint != r2.styleHint) return r1.styleHint < r2.styleHint;
     if (r1.styleStrategy != r2.styleStrategy) return r1.styleStrategy < r2.styleStrategy;
+    if (r1.families != r2.families) return r1.families < r2.families;
     if (r1.family != r2.family) return r1.family < r2.family;
     if (f.d->capital != d->capital) return f.d->capital < d->capital;
 
@@ -2192,6 +2208,48 @@ QString QFont::lastResortFont() const
 }
 #endif
 
+/*!
+    \since 5.13
+
+    Returns the requested font family names, i.e. the names set in the last
+    setFamilies() call or via the constructor. Otherwise it returns an
+    empty list.
+
+    \sa setFamily(), setFamilies(), family(), substitutes(), substitute()
+*/
+
+QStringList QFont::families() const
+{
+    return d->request.families;
+}
+
+/*!
+    \since 5.13
+
+    Sets the list of family names for the font. The names are case
+    insensitive and may include a foundry name. The first family in
+    \a families will be set as the main family for the font.
+
+    Each family name entry in \a families may optionally also include a
+    foundry name, e.g. "Helvetica [Cronyx]". If the family is
+    available from more than one foundry and the foundry isn't
+    specified, an arbitrary foundry is chosen. If the family isn't
+    available a family will be set using the \l{QFont}{font matching}
+    algorithm.
+
+    \sa family(), families(), setFamily(), setStyleHint(), QFontInfo
+*/
+
+void QFont::setFamilies(const QStringList &families)
+{
+    if ((resolve_mask & QFont::FamiliesResolved) && d->request.families == families)
+        return;
+    detach();
+    d->request.families = families;
+    resolve_mask |= QFont::FamiliesResolved;
+}
+
+
 /*****************************************************************************
   QFont stream functions
  *****************************************************************************/
@@ -2256,6 +2314,8 @@ QDataStream &operator<<(QDataStream &s, const QFont &font)
         s << (quint8)font.d->request.hintingPreference;
     if (s.version() >= QDataStream::Qt_5_6)
         s << (quint8)font.d->capital;
+    if (s.version() >= QDataStream::Qt_5_13)
+        s << font.d->request.families;
     return s;
 }
 
@@ -2351,6 +2411,11 @@ QDataStream &operator>>(QDataStream &s, QFont &font)
         s >> value;
         font.d->capital = QFont::Capitalization(value);
     }
+    if (s.version() >= QDataStream::Qt_5_13) {
+        QStringList value;
+        s >> value;
+        font.d->request.families = value;
+    }
     return s;
 }