Merge dev into 5.7

Change-Id: I20e942d00dcb1f7947850ca12f136851922b9f1c

3 files changed, 22 insertions, 4 deletions

diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 635f1da77e..10f4fb20fc 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -3872,6 +3872,14 @@ void QQuickWindow::resetOpenGLState()
  */
 
 /*!
+    \qmlattachedproperty Window Window::window
+    \since 5.7
+
+    This attached property holds the item's window.
+    The Window attached property can be attached to any Item.
+*/
+
+/*!
     \qmlattachedproperty int Window::width
     \qmlattachedproperty int Window::height
     \since 5.5
diff --git a/src/quick/items/qquickwindowattached.cpp b/src/quick/items/qquickwindowattached.cpp
index 992bbae382..c6380e2b9a 100644
--- a/src/quick/items/qquickwindowattached.cpp
+++ b/src/quick/items/qquickwindowattached.cpp
@@ -51,9 +51,9 @@ QQuickWindowAttached::QQuickWindowAttached(QObject* attachee)
 {
     m_attachee = qobject_cast<QQuickItem*>(attachee);
     if (m_attachee && m_attachee->window()) // It might not be in a window yet
-        windowChanged(m_attachee->window());
+        windowChange(m_attachee->window());
     if (m_attachee)
-        connect(m_attachee, &QQuickItem::windowChanged, this, &QQuickWindowAttached::windowChanged);
+        connect(m_attachee, &QQuickItem::windowChanged, this, &QQuickWindowAttached::windowChange);
 }
 
 QWindow::Visibility QQuickWindowAttached::visibility() const
@@ -86,7 +86,12 @@ int QQuickWindowAttached::height() const
     return (m_window ? m_window->height() : 0);
 }
 
-void QQuickWindowAttached::windowChanged(QQuickWindow *window)
+QQuickWindow *QQuickWindowAttached::window() const
+{
+    return m_window;
+}
+
+void QQuickWindowAttached::windowChange(QQuickWindow *window)
 {
     if (window != m_window) {
         QQuickWindow* oldWindow = m_window;
@@ -95,6 +100,8 @@ void QQuickWindowAttached::windowChanged(QQuickWindow *window)
         if (oldWindow)
             oldWindow->disconnect(this);
 
+        emit windowChanged();
+
         if (!oldWindow || !window || window->visibility() != oldWindow->visibility())
             emit visibilityChanged();
         if (!oldWindow || !window || window->isActive() != oldWindow->isActive())
diff --git a/src/quick/items/qquickwindowattached_p.h b/src/quick/items/qquickwindowattached_p.h
index 5e4b2c1721..3212508fd8 100644
--- a/src/quick/items/qquickwindowattached_p.h
+++ b/src/quick/items/qquickwindowattached_p.h
@@ -69,6 +69,7 @@ class Q_AUTOTEST_EXPORT QQuickWindowAttached : public QObject
     Q_PROPERTY(QQuickItem* contentItem READ contentItem NOTIFY contentItemChanged)
     Q_PROPERTY(int width READ width NOTIFY widthChanged)
     Q_PROPERTY(int height READ height NOTIFY heightChanged)
+    Q_PROPERTY(QQuickWindow *window READ window NOTIFY windowChanged)
 
 public:
     QQuickWindowAttached(QObject* attachee);
@@ -79,6 +80,7 @@ public:
     QQuickItem* contentItem() const;
     int width() const;
     int height() const;
+    QQuickWindow *window() const;
 
 Q_SIGNALS:
 
@@ -88,9 +90,10 @@ Q_SIGNALS:
     void contentItemChanged();
     void widthChanged();
     void heightChanged();
+    void windowChanged();
 
 protected Q_SLOTS:
-    void windowChanged(QQuickWindow*);
+    void windowChange(QQuickWindow*);
 
 private:
     QQuickWindow* m_window;