ScrollIndicator: add horizontal and vertical properties for convenience

[ChangeLog][Controls][ScrollIndicator] Added horizontal and vertical
properties to make it more convenient to create orientation-dependent
bindings in styles.

Change-Id: I8670456bb84387af99440ba25ab652c07ec1cb29
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

3 files changed, 38 insertions, 0 deletions

diff --git a/src/imports/templates/qtquicktemplates2plugin.cpp b/src/imports/templates/qtquicktemplates2plugin.cpp
index 93b23829..f4c0f348 100644
--- a/src/imports/templates/qtquicktemplates2plugin.cpp
+++ b/src/imports/templates/qtquicktemplates2plugin.cpp
@@ -258,6 +258,7 @@ void QtQuickTemplates2Plugin::registerTypes(const char *uri)
     qmlRegisterType<QQuickAbstractButton, 3>(uri, 2, 3, "AbstractButton");
     qmlRegisterType<QQuickRangeSlider, 3>(uri, 2, 3, "RangeSlider");
     qmlRegisterType<QQuickScrollBar, 3>(uri, 2, 3, "ScrollBar");
+    qmlRegisterType<QQuickScrollIndicator, 3>(uri, 2, 3, "ScrollIndicator");
     qmlRegisterType<QQuickSlider, 3>(uri, 2, 3, "Slider");
 }
 
diff --git a/src/quicktemplates2/qquickscrollindicator.cpp b/src/quicktemplates2/qquickscrollindicator.cpp
index 347c2a68..5e39134c 100644
--- a/src/quicktemplates2/qquickscrollindicator.cpp
+++ b/src/quicktemplates2/qquickscrollindicator.cpp
@@ -276,6 +276,8 @@ void QQuickScrollIndicator::setActive(bool active)
 
     This property is automatically set when the scroll indicator is
     \l {Attaching ScrollIndicator to a Flickable}{attached to a flickable}.
+
+    \sa horizontal, vertical
 */
 Qt::Orientation QQuickScrollIndicator::orientation() const
 {
@@ -295,6 +297,36 @@ void QQuickScrollIndicator::setOrientation(Qt::Orientation orientation)
     emit orientationChanged();
 }
 
+/*!
+    \since QtQuick.Controls 2.3
+    \qmlproperty bool QtQuick.Controls::ScrollIndicator::horizontal
+    \readonly
+
+    This property holds whether the scroll indicator is horizontal.
+
+    \sa orientation
+*/
+bool QQuickScrollIndicator::isHorizontal() const
+{
+    Q_D(const QQuickScrollIndicator);
+    return d->orientation == Qt::Horizontal;
+}
+
+/*!
+    \since QtQuick.Controls 2.3
+    \qmlproperty bool QtQuick.Controls::ScrollIndicator::vertical
+    \readonly
+
+    This property holds whether the scroll indicator is vertical.
+
+    \sa orientation
+*/
+bool QQuickScrollIndicator::isVertical() const
+{
+    Q_D(const QQuickScrollIndicator);
+    return d->orientation == Qt::Vertical;
+}
+
 class QQuickScrollIndicatorAttachedPrivate : public QObjectPrivate, public QQuickItemChangeListener
 {
 public:
diff --git a/src/quicktemplates2/qquickscrollindicator_p.h b/src/quicktemplates2/qquickscrollindicator_p.h
index bc6c5418..6f08ef31 100644
--- a/src/quicktemplates2/qquickscrollindicator_p.h
+++ b/src/quicktemplates2/qquickscrollindicator_p.h
@@ -63,6 +63,8 @@ class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickScrollIndicator : public QQuickCont
     Q_PROPERTY(qreal position READ position WRITE setPosition NOTIFY positionChanged FINAL)
     Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged FINAL)
     Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation NOTIFY orientationChanged FINAL)
+    Q_PROPERTY(bool horizontal READ isHorizontal NOTIFY orientationChanged FINAL REVISION 3)
+    Q_PROPERTY(bool vertical READ isVertical NOTIFY orientationChanged FINAL REVISION 3)
 
 public:
     explicit QQuickScrollIndicator(QQuickItem *parent = nullptr);
@@ -78,6 +80,9 @@ public:
     Qt::Orientation orientation() const;
     void setOrientation(Qt::Orientation orientation);
 
+    bool isHorizontal() const;
+    bool isVertical() const;
+
 public Q_SLOTS:
     void setSize(qreal size);
     void setPosition(qreal position);