Doc: added doc for non-documented functions

Task-number: QTBUG-36985
Change-Id: I85f58c2877d83b98bf3427cbb0f567575803524f
Reviewed-by: Venugopal Shivashankar <venugopal.shivashankar@digia.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>

src/dbus/qdbusunixfiledescriptor.cpp

@@ -173,6 +173,12 @@ QDBusUnixFileDescriptor &QDBusUnixFileDescriptor::operator=(const QDBusUnixFileD
     return *this;
 }
 
+/*!
+   \fn QDBusUnixFileDescriptor &operator=(QDBusUnixFileDescriptor &&other)
+
+   Move-assigns  \a other to this QDBusUnixFileDescriptor.
+*/
+
 /*!
     Destroys this QDBusUnixFileDescriptor object and disposes of the Unix file descriptor that it contained.
 */

src/dbus/qdbusvirtualobject.cpp

@@ -37,11 +37,17 @@
 
 QT_BEGIN_NAMESPACE
 
+/*!
+    Constructs a QDBusVirtualObject with \a parent.
+*/
 QDBusVirtualObject::QDBusVirtualObject(QObject *parent) :
     QObject(parent)
 {
 }
 
+/*!
+    Destroys the object, deleting all of its child objects.
+*/
 QDBusVirtualObject::~QDBusVirtualObject()
 {
 }

src/gui/accessible/qaccessible.cpp

@@ -1409,6 +1409,12 @@ QAccessible::Id QAccessibleEvent::uniqueId() const
     Constructs a new QAccessibleStateChangeEvent for \a object.
     The difference to the object's previous state is in \a state.
 */
+/*!
+    \fn QAccessibleStateChangeEvent::QAccessibleStateChangeEvent(QAccessibleInterface *iface, QAccessible::State state)
+    Constructs a new QAccessibleStateChangeEvent.
+    \a iface is the interface associated with the event
+    \a state is the state of the accessible object.
+*/
 /*!
     \fn QAccessible::State QAccessibleStateChangeEvent::changedStates() const
     \brief Returns the states that have been changed.

src/sql/kernel/qsqlresult.cpp

@@ -837,6 +837,9 @@ QString QSqlResult::executedQuery() const
     return d->executedQuery;
 }
 
+/*!
+    Resets the number of bind parameters.
+*/
 void QSqlResult::resetBindCount()
 {
     Q_D(QSqlResult);

src/sql/models/qsqltablemodel.cpp

@@ -1302,6 +1302,14 @@ Qt::ItemFlags QSqlTableModel::flags(const QModelIndex &index) const
         return QSqlQueryModel::flags(index) | Qt::ItemIsEditable;
 }
 
+/*!
+    This is an overloaded function.
+
+    It returns an empty record, having only the field names. This function can be used to
+    retrieve the field names of a record.
+
+    \sa QSqlRecord::isEmpty()
+*/
 QSqlRecord QSqlTableModel::record() const
 {
     return QSqlQueryModel::record();