Update QEntity docs

Change-Id: I4a28761474d961d39074490e12f21b3d0c7ac911
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

2 files changed, 45 insertions, 26 deletions

diff --git a/src/core/nodes/qentity.cpp b/src/core/nodes/qentity.cpp
index 67238ca7e..ea3523c0c 100644
--- a/src/core/nodes/qentity.cpp
+++ b/src/core/nodes/qentity.cpp
@@ -55,15 +55,6 @@ QT_BEGIN_NAMESPACE
 
 namespace Qt3DCore {
 
-QEntityPrivate::QEntityPrivate()
-    : QNodePrivate()
-    , m_parentEntityId()
-{}
-
-QEntityPrivate::~QEntityPrivate()
-{
-}
-
 /*!
     \class Qt3DCore::QEntity
     \inmodule Qt3DCore
@@ -78,14 +69,25 @@ QEntityPrivate::~QEntityPrivate()
     backend aspect will be able to interpret and process an Entity by
     recognizing which components it is made up of. One aspect may decide to only
     process entities composed of a single Qt3DCore::QTransform component whilst
-    another may focus on Qt3DCore::QMouseHandler.
+    another may focus on Qt3DInput::QMouseHandler.
 
     \sa Qt3DCore::QComponent, Qt3DCore::QTransform
-*/
+ */
+
+/*! \internal */
+QEntityPrivate::QEntityPrivate()
+    : QNodePrivate()
+    , m_parentEntityId()
+{}
+
+/*! \internal */
+QEntityPrivate::~QEntityPrivate()
+{
+}
 
 /*!
     Constructs a new Qt3DCore::QEntity instance with \a parent as parent.
-*/
+ */
 QEntity::QEntity(QNode *parent)
     : QEntity(*new QEntityPrivate, parent) {}
 
@@ -113,11 +115,11 @@ QEntity::~QEntity()
     \relates Qt3DCore::QEntity
 
     List of QComponent pointers.
-*/
+ */
 
 /*!
     Returns the list of Qt3DCore::QComponent instances the entity is referencing.
-*/
+ */
 QComponentVector QEntity::components() const
 {
     Q_D(const QEntity);
@@ -129,7 +131,7 @@ QComponentVector QEntity::components() const
 
     \note If the Qt3DCore::QComponent has no parent, the Qt3DCore::QEntity will set
     itself as its parent thereby taking ownership of the component.
-*/
+ */
 void QEntity::addComponent(QComponent *comp)
 {
     Q_D(QEntity);
@@ -161,7 +163,7 @@ void QEntity::addComponent(QComponent *comp)
 
 /*!
     Removes the reference to \a comp.
-*/
+ */
 void QEntity::removeComponent(QComponent *comp)
 {
     Q_CHECK_PTR(comp);
@@ -186,7 +188,7 @@ void QEntity::removeComponent(QComponent *comp)
     immediate parent isn't a Qt3DCore::QEntity, this function traverses up the
     scene hierarchy until a parent Qt3DCore::QEntity is found. If no
     Qt3DCore::QEntity parent can be found, returns null.
-*/
+ */
 QEntity *QEntity::parentEntity() const
 {
     Q_D(const QEntity);
@@ -208,10 +210,10 @@ QEntity *QEntity::parentEntity() const
 }
 
 /*!
- Returns the Qt3DCore::QNodeId id of the parent Qt3DCore::QEntity instance of the
- current Qt3DCore::QEntity object. The QNodeId isNull method will return true if
- there is no Qt3DCore::QEntity parent of the current Qt3DCore::QEntity in the scene
- hierarchy.
+    Returns the Qt3DCore::QNodeId id of the parent Qt3DCore::QEntity instance of the
+    current Qt3DCore::QEntity object. The QNodeId isNull method will return true if
+    there is no Qt3DCore::QEntity parent of the current Qt3DCore::QEntity in the scene
+    hierarchy.
  */
 QNodeId QEntityPrivate::parentEntityId() const
 {
diff --git a/src/quick3d/quick3d/items/quick3dentity.cpp b/src/quick3d/quick3d/items/quick3dentity.cpp
index 4eac4400e..ebc92e843 100644
--- a/src/quick3d/quick3d/items/quick3dentity.cpp
+++ b/src/quick3d/quick3d/items/quick3dentity.cpp
@@ -47,20 +47,37 @@ namespace Quick {
 
 /*!
     \qmltype Entity
+    \instantiates Qt3DCore::QEntity
     \inherits Node
     \inqmlmodule Qt3D.Core
     \since 5.5
-*/
+
+    \brief Entity is a \l Node subclass that can aggregate several
+    \l Component3D instances that will specify its behavior.
+
+    By itself a Entity is an empty shell. The behavior of a Entity
+    object is defined by the \l Component3D objects it references. Each Qt3D
+    backend aspect will be able to interpret and process an Entity by
+    recognizing which components it is made up of. One aspect may decide to only
+    process entities composed of a single \l Transform component whilst
+    another may focus on \l MouseHandler.
+
+    \sa Qt3D.Core::Component3D, Qt3D.Core::Transform
+ */
+
+/*!
+    \qmlproperty list<Component3D> Entity::components
+    Holds the list of \l Component3D instances, which define the behavior
+    of the entity.
+    \readonly
+ */
 
 Quick3DEntity::Quick3DEntity(QObject *parent)
     : QObject(parent)
 {
 }
 
-/*!
-    \qmlproperty list<Component3D> Qt3DCore::Entity::components
-    \readonly
-*/
+
 QQmlListProperty<QComponent> Quick3DEntity::componentList()
 {
     return QQmlListProperty<Qt3DCore::QComponent>(this, 0,