3 files changed, 31 insertions, 1 deletions
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index 60b5b6abd0..40b33b5359 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -129,7 +129,8 @@ static qreal qt_effective_device_pixel_ratio(QWindow *window = 0)
 QIconPrivate::QIconPrivate()
     : engine(0), ref(1),
     serialNum(serialNumCounter.fetchAndAddRelaxed(1)),
-    detach_no(0)
+    detach_no(0),
+    is_mask(false)
 {
 }
 
@@ -1196,6 +1197,31 @@ bool QIcon::hasThemeIcon(const QString &name)
     return icon.name() == name;
 }
 
+/*!
+    \since 5.6
+
+    Indicate that this icon is a mask image, and hence can potentially
+    be modified based on where it's displayed.
+    \sa isMask()
+*/
+void QIcon::setIsMask(bool isMask)
+{
+    d->is_mask = isMask;
+}
+
+/*!
+    \since 5.6
+
+    Returns \c true if this icon has been marked as a mask image.
+    Certain platforms render mask icons differently (for example,
+    menu icons on OS X).
+
+    \sa setIsMask()
+*/
+bool QIcon::isMask() const
+{
+    return d->is_mask;
+}
 
 /*****************************************************************************
   QIcon stream functions
diff --git a/src/gui/image/qicon.h b/src/gui/image/qicon.h
index c33a1f2698..ccddf69101 100644
--- a/src/gui/image/qicon.h
+++ b/src/gui/image/qicon.h
@@ -102,6 +102,9 @@ public:
 
     QList<QSize> availableSizes(Mode mode = Normal, State state = Off) const;
 
+    void setIsMask(bool isMask);
+    bool isMask() const;
+
     static QIcon fromTheme(const QString &name, const QIcon &fallback = QIcon());
     static bool hasThemeIcon(const QString &name);
 
diff --git a/src/gui/image/qicon_p.h b/src/gui/image/qicon_p.h
index 8b42e770fa..2a4f584a0d 100644
--- a/src/gui/image/qicon_p.h
+++ b/src/gui/image/qicon_p.h
@@ -71,6 +71,7 @@ public:
     QAtomicInt ref;
     int serialNum;
     int detach_no;
+    bool is_mask;
 };