doc: Document remaining anonymous enums

This change adds qdoc comments for the remaining nameless
enum types.

Change-Id: I4da8b67883c8020323437cf74c938d3655d8c384
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

src/corelib/kernel/qcoreapplication.cpp

@@ -781,6 +781,12 @@ QCoreApplication::QCoreApplication(int &argc, char **argv
 #endif
 }
 
+/*!
+  \enum QCoreApplication::anonymous
+  \internal
+
+  \value ApplicationFlags QT_VERSION
+*/
 
 void QCoreApplicationPrivate::init()
 {

src/dbus/qdbuspendingreply.cpp

@@ -164,6 +164,12 @@
     \sa isFinished()
 */
 
+/*!
+  \enum QDBusPendingReply::anonymous
+
+  \value Count The number of arguments the reply is expected to have
+ */
+
 /*!
     \fn int QDBusPendingReply::count() const
 

src/gui/kernel/qevent.cpp

@@ -693,6 +693,13 @@ QHoverEvent::~QHoverEvent()
     \sa QMouseEvent, QWidget::grabMouse()
 */
 
+/*!
+  \enum QWheelEvent::anonymous
+  \internal
+
+  \value DefaultDeltasPerStep Defaqult deltas per step
+*/
+
 /*!
     \fn Qt::MouseButtons QWheelEvent::buttons() const
 

src/widgets/graphicsview/qgraphicsproxywidget.cpp

@@ -1536,6 +1536,14 @@ void QGraphicsProxyWidget::paint(QPainter *painter, const QStyleOptionGraphicsIt
     d->widget->render(painter, exposedWidgetRect.topLeft(), exposedWidgetRect);
 }
 
+/*!
+  \enum QGraphicsProxyWidget::anonymous
+
+  The value returned by the virtual type() function.
+
+  \value Type A graphics proxy widget
+*/
+
 /*!
     \reimp
 */

src/widgets/graphicsview/qgraphicswidget.cpp

@@ -2227,6 +2227,14 @@ bool QGraphicsWidget::testAttribute(Qt::WidgetAttribute attribute) const
     return d->testAttribute(attribute);
 }
 
+/*!
+  \enum QGraphicsWidget::anonymous
+
+  The value returned by the virtual type() function.
+
+  \value Type A graphics widget item
+*/
+
 /*!
     \reimp
 */