diff -r b72c6db6890b -r 5dc02b23752f src/corelib/kernel/qvariant.cpp
--- a/src/corelib/kernel/qvariant.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/corelib/kernel/qvariant.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -46,6 +46,7 @@
 #include "qdebug.h"
 #include "qmap.h"
 #include "qdatetime.h"
+#include "qeasingcurve.h"
 #include "qlist.h"
 #include "qstring.h"
 #include "qstringlist.h"
@@ -146,6 +147,11 @@
         v_construct<QRegExp>(x, copy);
         break;
 #endif
+#ifndef QT_BOOTSTRAPPED
+    case QVariant::EasingCurve:
+        v_construct<QEasingCurve>(x, copy);
+        break;
+#endif
     case QVariant::Int:
         x->data.i = copy ? *static_cast<const int *>(copy) : 0;
         break;
@@ -259,6 +265,11 @@
         v_clear<QRegExp>(d);
         break;
 #endif
+#ifndef QT_BOOTSTRAPPED
+    case QVariant::EasingCurve:
+        v_clear<QEasingCurve>(d);
+        break;
+#endif
     case QVariant::LongLong:
     case QVariant::ULongLong:
     case QVariant::Double:
@@ -317,6 +328,9 @@
     case QVariant::PointF:
         return v_cast<QPointF>(d)->isNull();
 #endif
+#ifndef QT_BOOTSTRAPPED
+    case QVariant::EasingCurve:
+#endif
     case QVariant::Url:
     case QVariant::Locale:
     case QVariant::RegExp:
@@ -435,6 +449,10 @@
         return *v_cast<QTime>(a) == *v_cast<QTime>(b);
     case QVariant::DateTime:
         return *v_cast<QDateTime>(a) == *v_cast<QDateTime>(b);
+#ifndef QT_BOOTSTRAPPED
+    case QVariant::EasingCurve:
+        return *v_cast<QEasingCurve>(a) == *v_cast<QEasingCurve>(b);
+#endif
     case QVariant::ByteArray:
         return *v_cast<QByteArray>(a) == *v_cast<QByteArray>(b);
     case QVariant::BitArray:
@@ -1101,6 +1119,11 @@
     case QVariant::DateTime:
         dbg.nospace() << v.toDateTime();
         break;
+#ifndef QT_BOOTSTRAPPED
+    case QVariant::EasingCurve:
+        dbg.nospace() << v.toEasingCurve();
+        break;
+#endif
     case QVariant::ByteArray:
         dbg.nospace() << v.toByteArray();
         break;
@@ -1269,6 +1292,7 @@
     \value Date  a QDate
     \value DateTime  a QDateTime
     \value Double  a double
+    \value EasingCurve a QEasingCurve
     \value Font  a QFont
     \value Hash a QVariantHash
     \value Icon  a QIcon
@@ -1487,6 +1511,13 @@
 */
 
 /*!
+    \since 4.7
+  \fn QVariant::QVariant(const QEasingCurve &val)
+
+    Constructs a new variant with an easing curve value, \a val.
+*/
+
+/*!
   \fn QVariant::QVariant(const QByteArray &val)
 
     Constructs a new variant with a bytearray value, \a val.
@@ -1685,6 +1716,10 @@
 { d.is_null = false; d.type = Time; v_construct<QTime>(&d, val); }
 QVariant::QVariant(const QDateTime &val)
 { d.is_null = false; d.type = DateTime; v_construct<QDateTime>(&d, val); }
+#ifndef QT_BOOTSTRAPPED
+QVariant::QVariant(const QEasingCurve &val)
+{ d.is_null = false; d.type = EasingCurve; v_construct<QEasingCurve>(&d, val); }
+#endif
 QVariant::QVariant(const QList<QVariant> &list)
 { d.is_null = false; d.type = List; v_construct<QVariantList>(&d, list); }
 QVariant::QVariant(const QMap<QString, QVariant> &map)
@@ -1874,7 +1909,7 @@
 }
 
 #ifndef QT_NO_DATASTREAM
-enum { MapFromThreeCount = 35 };
+enum { MapFromThreeCount = 36 };
 static const ushort map_from_three[MapFromThreeCount] =
 {
     QVariant::Invalid,
@@ -1911,7 +1946,8 @@
     QVariant::KeySequence,
     QVariant::Pen,
     QVariant::LongLong,
-    QVariant::ULongLong
+    QVariant::ULongLong,
+    QVariant::EasingCurve
 };
 
 /*!
@@ -2169,6 +2205,22 @@
 }
 
 /*!
+    \since 4.7
+    \fn QEasingCurve QVariant::toEasingCurve() const
+
+    Returns the variant as a QEasingCurve if the variant has type() \l
+    EasingCurve; otherwise returns a default easing curve.
+
+    \sa canConvert(), convert()
+*/
+#ifndef QT_BOOTSTRAPPED
+QEasingCurve QVariant::toEasingCurve() const
+{
+    return qVariantToHelper<QEasingCurve>(d, EasingCurve, handler);
+}
+#endif
+
+/*!
     \fn QByteArray QVariant::toByteArray() const
 
     Returns the variant as a QByteArray if the variant has type() \l
@@ -2609,8 +2661,9 @@
 
 /*QRegExp*/       0,
 
-/*QHash*/         0
-
+/*QHash*/         0,
+
+/*QEasingCurve*/  0
 };
 
 /*!