Add itemAtIndex to quick views

This patch adds itemAtIndex method to ItemView-derived views and
to PathView.

[ChangeLog][QtQuick][QQuickItemView] Added itemAtIndex() to
GridView, ListView and PathView to fetch a visible delegate by index.

Change-Id: Id8475d06c1481036984fe5109bb52cf2729b1c21
Fixes: QTBUG-72961
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/auto/quick/qquicklistview/data/listview-itematindex.qml b/tests/auto/quick/qquicklistview/data/listview-itematindex.qml
new file mode 100644
index 0000000000..fba8b11933
--- /dev/null
+++ b/tests/auto/quick/qquicklistview/data/listview-itematindex.qml
@@ -0,0 +1,15 @@
+import QtQuick 2.0
+
+ListView {
+    width: 400
+    height: 400
+    focus: true
+    model: 3
+
+    delegate: Text {
+        width: parent.width
+        height: 10
+        property int idx: index
+        text: index
+    }
+}