Doc: Fix documentation warnings for Qt Quick Controls 2

- The correct module header name is QtQuickControls2
- Add dependency to qtgraphicaleffetcs
- RangeSlider: Move \qmlsignal commands out of \qmlpropertygroup
- Fix linking to content[Width|Height] for ScrollView

Change-Id: I1636fef5f4365a8e9f80b0b8df17e78999bfd3f8
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

src/imports/controls/doc/qtquickcontrols.qdocconf

@@ -1,6 +1,8 @@
 include($QT_INSTALL_DOCS/global/qt-module-defaults.qdocconf)
 include(manifest-meta.qdocconf)
 
+moduleheader            = QtQuickControls2
+
 project                 = QtQuickControls
 description             = Qt Quick Controls Reference Documentation
 version                 = $QT_VERSION
@@ -31,7 +33,7 @@ qhp.QtQuickControls.subprojects.examples.title = Examples
 qhp.QtQuickControls.subprojects.examples.indexTitle = Qt Quick Controls Examples
 qhp.QtQuickControls.subprojects.examples.selectors = fake:example
 
-depends = qtcore qtgui qtdoc qtqml qtquick qtquickdialogs qtquickcontrols1 qtquickextras qmake qtsql qtwidgets qtlabscalendar qtlabsplatform
+depends = qtcore qtgui qtdoc qtqml qtquick qtquickdialogs qtquickcontrols1 qtquickextras qmake qtsql qtwidgets qtlabscalendar qtlabsplatform qtgraphicaleffects
 
 # Specify the install path under QT_INSTALL_EXAMPLES
 # Note: paths passed to \example command must contain the parent directory, e.g.

src/quicktemplates2/qquickrangeslider.cpp

@@ -752,7 +752,6 @@ qreal QQuickRangeSlider::valueAt(qreal position) const
     \qmlproperty bool QtQuick.Controls::RangeSlider::first.hovered
     \qmlproperty real QtQuick.Controls::RangeSlider::first.implicitHandleWidth
     \qmlproperty real QtQuick.Controls::RangeSlider::first.implicitHandleHeight
-    \qmlsignal void QtQuick.Controls::RangeSlider::moved()
 
     \table
     \header
@@ -801,15 +800,9 @@ qreal QQuickRangeSlider::valueAt(qreal position) const
         \li implicitHandleHeight
         \li This property holds the implicit height of the first handle.
             This property was introduced in QtQuick.Controls 2.5.
-    \row
-        \li moved()
-        \li This signal is emitted when the first handle has been interactively moved
-            by the user by either touch, mouse, or keys.
-
-            This signal was introduced in QtQuick.Controls 2.5.
     \endtable
 
-    \sa first.increase(), first.decrease()
+    \sa first.moved(), first.increase(), first.decrease()
 */
 QQuickRangeSliderNode *QQuickRangeSlider::first() const
 {
@@ -817,6 +810,17 @@ QQuickRangeSliderNode *QQuickRangeSlider::first() const
     return d->first;
 }
 
+/*!
+    \qmlsignal void QtQuick.Controls::RangeSlider::first.moved()
+    \qmlsignal void QtQuick.Controls::RangeSlider::second.moved()
+    \since QtQuick.Controls 2.5
+
+    This signal is emitted when either the first or second handle has been
+    interactively moved by the user by either touch, mouse, or keys.
+
+    \sa first, second
+*/
+
 /*!
     \qmlpropertygroup QtQuick.Controls::RangeSlider::second
     \qmlproperty real QtQuick.Controls::RangeSlider::second.value
@@ -827,7 +831,6 @@ QQuickRangeSliderNode *QQuickRangeSlider::first() const
     \qmlproperty bool QtQuick.Controls::RangeSlider::second.hovered
     \qmlproperty real QtQuick.Controls::RangeSlider::second.implicitHandleWidth
     \qmlproperty real QtQuick.Controls::RangeSlider::second.implicitHandleHeight
-    \qmlsignal void QtQuick.Controls::RangeSlider::moved()
 
     \table
     \header
@@ -876,15 +879,9 @@ QQuickRangeSliderNode *QQuickRangeSlider::first() const
         \li implicitHandleHeight
         \li This property holds the implicit height of the second handle.
             This property was introduced in QtQuick.Controls 2.5.
-    \row
-        \li moved()
-        \li This signal is emitted when the second handle has been interactively moved
-            by the user by either touch, mouse, or keys.
-
-            This signal was introduced in QtQuick.Controls 2.5.
     \endtable
 
-    \sa second.increase(), second.decrease()
+    \sa second.moved(), second.increase(), second.decrease()
 */
 QQuickRangeSliderNode *QQuickRangeSlider::second() const
 {

src/quicktemplates2/qquickscrollview.cpp

@@ -78,7 +78,8 @@ QT_BEGIN_NAMESPACE
         \li If only a single item is used within a ScrollView, the content size is
             automatically calculated based on the implicit size of its contained item.
             However, if more than one item is used (or an implicit size is not
-            provided), the \l contentWidth and \l contentHeight properties must
+            provided), the \l {QtQuick.Controls::Pane::}{contentWidth} and
+            \l {QtQuick.Controls::Pane::}{contentHeight} properties must
             be set to the combined size of its contained items.
         \li If the content size is less than or equal to the size of the ScrollView,
             it will not be flickable.