C++0x move operators

This makes assignement faster from temporaries, as the operator is
fully inline, and doesn't do any atomic operations.

Reviewed-by: joao

4 files changed, 16 insertions, 1 deletions

diff --git a/src/gui/painting/qbrush.h b/src/gui/painting/qbrush.h
index b657301..efc720b 100644
--- a/src/gui/painting/qbrush.h
+++ b/src/gui/painting/qbrush.h
@@ -92,6 +92,10 @@ public:
 
     ~QBrush();
     QBrush &operator=(const QBrush &brush);
+#ifdef Q_COMPILER_RVALUE_REFS
+    inline QBrush &operator=(QBrush &&other)
+    { qSwap(d, other.d); return *this; }
+#endif
     operator QVariant() const;
 
     inline Qt::BrushStyle style() const;
diff --git a/src/gui/painting/qpainterpath.h b/src/gui/painting/qpainterpath.h
index 15d83b8..9a7b60a 100644
--- a/src/gui/painting/qpainterpath.h
+++ b/src/gui/painting/qpainterpath.h
@@ -95,6 +95,10 @@ public:
     explicit QPainterPath(const QPointF &startPoint);
     QPainterPath(const QPainterPath &other);
     QPainterPath &operator=(const QPainterPath &other);
+#ifdef Q_COMPILER_RVALUE_REFS
+    inline QPainterPath &operator=(QPainterPath &&other)
+    { qSwap(d_ptr, other.d_ptr); return *this; }
+#endif
     ~QPainterPath();
 
     void closeSubpath();
diff --git a/src/gui/painting/qpen.h b/src/gui/painting/qpen.h
index aff7071..4006112 100644
--- a/src/gui/painting/qpen.h
+++ b/src/gui/painting/qpen.h
@@ -74,6 +74,10 @@ public:
     ~QPen();
 
     QPen &operator=(const QPen &pen);
+#ifdef Q_COMPILER_RVALUE_REFS
+    inline QPen &operator=(QPen &&other)
+    { qSwap(d, other.d); return *this; }
+#endif
 
     Qt::PenStyle style() const;
     void setStyle(Qt::PenStyle);
diff --git a/src/gui/painting/qregion.h b/src/gui/painting/qregion.h
index bc4da28..2e42844 100644
--- a/src/gui/painting/qregion.h
+++ b/src/gui/painting/qregion.h
@@ -81,7 +81,10 @@ public:
     QRegion(const QBitmap &bitmap);
     ~QRegion();
     QRegion &operator=(const QRegion &);
-
+#ifdef Q_COMPILER_RVALUE_REFS
+    inline QRegion &operator=(QRegion &&other)
+    { qSwap(d, other.d); return *this; }
+#endif
 #ifdef QT3_SUPPORT
     inline QT3_SUPPORT bool isNull() const { return isEmpty(); }
 #endif