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

3 files changed, 12 insertions, 0 deletions

diff --git a/src/corelib/io/qdir.h b/src/corelib/io/qdir.h
index 28da271..0a56304 100644
--- a/src/corelib/io/qdir.h
+++ b/src/corelib/io/qdir.h
@@ -129,6 +129,10 @@ public:
 
     QDir &operator=(const QDir &);
     QDir &operator=(const QString &path);
+#ifdef Q_COMPILER_RVALUE_REFS
+    inline QDir &operator=(QDir &&other)
+    { qSwap(d_ptr, other.d_ptr); return *this; }
+#endif
 
     void setPath(const QString &path);
     QString path() const;
diff --git a/src/corelib/io/qfileinfo.h b/src/corelib/io/qfileinfo.h
index 7e82aed..f0c6d60 100644
--- a/src/corelib/io/qfileinfo.h
+++ b/src/corelib/io/qfileinfo.h
@@ -67,6 +67,10 @@ public:
     ~QFileInfo();
 
     QFileInfo &operator=(const QFileInfo &fileinfo);
+#ifdef Q_COMPILER_RVALUE_REFS
+    inline QFileInfo&operator=(QFileInfo &&other)
+    { qSwap(d_ptr, other.d_ptr); return *this; }
+#endif
     bool operator==(const QFileInfo &fileinfo); // 5.0 - remove me
     bool operator==(const QFileInfo &fileinfo) const;
     inline bool operator!=(const QFileInfo &fileinfo) { return !(operator==(fileinfo)); } // 5.0 - remove me
diff --git a/src/corelib/io/qurl.h b/src/corelib/io/qurl.h
index 162aa7c..563be5f 100644
--- a/src/corelib/io/qurl.h
+++ b/src/corelib/io/qurl.h
@@ -94,6 +94,10 @@ public:
 #ifndef QT_NO_URL_CAST_FROM_STRING
     QUrl &operator =(const QString &url);
 #endif
+#ifdef Q_COMPILER_RVALUE_REFS
+    inline QUrl &operator=(QUrl &&other)
+    { qSwap(d, other.d); return *this; }
+#endif
     ~QUrl();
 
     void setUrl(const QString &url);