Doc: Replace obsolete types with their newer counterparts

This patch ignores:
- Docs for obsolete types themselves
- Comparisons between new and obsolete types

Change-Id: Id9b1e628255113e7c44520abe0f8a4e0db4a283d
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>

examples/widgets/doc/src/treemodelcompleter.qdoc

@@ -83,7 +83,7 @@
     \snippet tools/treemodelcompleter/treemodelcompleter.cpp 2
 
     As mentioned earlier, the \c splitPath() function is reimplemented because
-    the default implementation is more suited to QDirModel or list models. In
+    the default implementation is more suited to QFileSystemModel or list models. In
     order for QCompleter to split the path into a list of strings that are
     matched at each level, we split it using QString::split() with \c sep as its
     separator.

src/corelib/global/qglobal.cpp

@@ -743,7 +743,7 @@ Q_STATIC_ASSERT_X(UCHAR_MAX == 255, "Qt assumes that char is 8 bits");
     \relates <QtGlobal>
 
     This enum describes the messages that can be sent to a message
-    handler (QtMsgHandler). You can use the enum to identify and
+    handler (QtMessageHandler). You can use the enum to identify and
     associate the various message types with the appropriate
     actions.
 

src/corelib/itemmodels/qsortfilterproxymodel.cpp

@@ -2606,16 +2606,16 @@ void QSortFilterProxyModel::invalidateFilter()
     the following QVariant types:
 
     \list
-    \li QVariant::Int
-    \li QVariant::UInt
-    \li QVariant::LongLong
-    \li QVariant::ULongLong
-    \li QVariant::Double
-    \li QVariant::Char
-    \li QVariant::Date
-    \li QVariant::Time
-    \li QVariant::DateTime
-    \li QVariant::String
+    \li QMetaType::Int
+    \li QMetaType::UInt
+    \li QMetaType::LongLong
+    \li QMetaType::ULongLong
+    \li QMetaType::Double
+    \li QMetaType::QChar
+    \li QMetaType::QDate
+    \li QMetaType::QTime
+    \li QMetaType::QDateTime
+    \li QMetaType::QString
     \endlist
 
     Any other type will be converted to a QString using

src/corelib/json/qjsondocument.cpp

@@ -260,8 +260,8 @@ QJsonDocument QJsonDocument::fromBinaryData(const QByteArray &data, DataValidati
 /*!
  Creates a QJsonDocument from the QVariant \a variant.
 
- If the \a variant contains any other type than a QVariant::Map,
- QVariant::List or QVariant::StringList, the returned document
+ If the \a variant contains any other type than a QVariantMap,
+ QVariantList or QStringList, the returned document
  document is invalid.
 
  \sa toVariant()

src/corelib/json/qjsonvalue.cpp

@@ -344,16 +344,16 @@ QJsonValue &QJsonValue::operator =(const QJsonValue &other)
     The conversion will convert QVariant types as follows:
 
     \list
-    \li QVariant::Bool to Bool
-    \li QVariant::Int
-    \li QVariant::Double
-    \li QVariant::LongLong
-    \li QVariant::ULongLong
-    \li QVariant::UInt to Double
-    \li QVariant::String to String
-    \li QVariant::StringList
-    \li QVariant::VariantList to Array
-    \li QVariant::VariantMap to Object
+    \li QMetaType::Bool to Bool
+    \li QMetaType::Int
+    \li QMetaType::Double
+    \li QMetaType::LongLong
+    \li QMetaType::ULongLong
+    \li QMetaType::UInt to Double
+    \li QMetaType::QString to String
+    \li QMetaType::QStringList
+    \li QMetaType::QVariantList to Array
+    \li QMetaType::QVariantMap to Object
     \endlist
 
     For all other QVariant types a conversion to a QString will be attempted. If the returned string
@@ -395,9 +395,9 @@ QJsonValue QJsonValue::fromVariant(const QVariant &variant)
     The QJsonValue types will be converted as follows:
 
     \value Null     QVariant()
-    \value Bool     QVariant::Bool
-    \value Double   QVariant::Double
-    \value String   QVariant::String
+    \value Bool     QMetaType::Bool
+    \value Double   QMetaType::Double
+    \value String   QString
     \value Array    QVariantList
     \value Object   QVariantMap
     \value Undefined QVariant()

src/corelib/kernel/qvariant.cpp

@@ -1165,7 +1165,7 @@ Q_CORE_EXPORT void QVariantPrivate::registerHandler(const int /* Modules::Names
     instead to construct variants from the pointer types represented by
     \c QMetaType::VoidStar, and \c QMetaType::QObjectStar.
 
-    \sa QVariant::fromValue(), Type
+    \sa QVariant::fromValue(), QMetaType::Type
 */
 
 /*!
@@ -1765,7 +1765,7 @@ const char *QVariant::typeName() const
 }
 
 /*!
-    Convert this variant to type Invalid and free up any resources
+    Convert this variant to type QMetaType::UnknownType and free up any resources
     used.
 */
 void QVariant::clear()
@@ -1781,7 +1781,7 @@ void QVariant::clear()
     Converts the int representation of the storage type, \a typeId, to
     its string representation.
 
-    Returns a null pointer if the type is QVariant::Invalid or doesn't exist.
+    Returns a null pointer if the type is QMetaType::UnknownType or doesn't exist.
 */
 const char *QVariant::typeToName(int typeId)
 {
@@ -2019,7 +2019,7 @@ QDataStream& operator<<(QDataStream &s, const QVariant::Type p)
     \fn bool QVariant::isValid() const
 
     Returns \c true if the storage type of this variant is not
-    QVariant::Invalid; otherwise returns \c false.
+    QMetaType::UnknownType; otherwise returns \c false.
 */
 
 template <typename T>

src/widgets/dialogs/qfilesystemmodel.cpp

@@ -107,7 +107,7 @@ QT_BEGIN_NAMESPACE
     \snippet shareddirmodel/main.cpp 7
 
     The view's root index can be used to control how much of a
-    hierarchical model is displayed. QDirModel provides a convenience
+    hierarchical model is displayed. QFileSystemModel provides a convenience
     function that returns a suitable model index for a path to a
     directory within the model.
 

src/widgets/doc/src/modelview.qdoc

@@ -816,7 +816,7 @@
         \row
             \li  Dir View
             \li  QTreeView
-            \li  QDirModel
+            \li  QFileSystemModel
             \li  Very small example to demonstrate how to assign a model to a view
         \row
             \li  Editable Tree Model