Add attached StackView.visible property

[ChangeLog][Controls][StackView] Added attached StackView.visible
property that can be used to control whether items below the top-
most item are kept visible.

Task-number: QTBUG-56801
Change-Id: Ieead0d476f254886cff5f8457bb5c5d23cb7de8a
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 10 insertions, 1 deletions

diff --git a/src/quicktemplates2/qquickstackelement.cpp b/src/quicktemplates2/qquickstackelement.cpp
index c67c0015..7bd6efc9 100644
--- a/src/quicktemplates2/qquickstackelement.cpp
+++ b/src/quicktemplates2/qquickstackelement.cpp
@@ -89,7 +89,7 @@ QQuickStackElement::~QQuickStackElement()
             item->deleteLater();
             item = nullptr;
         } else {
-            item->setVisible(false);
+            setVisible(false);
             if (!widthValid)
                 item->resetWidth();
             if (!heightValid)
@@ -252,6 +252,15 @@ void QQuickStackElement::setStatus(QQuickStackView::Status value)
     emit attached->statusChanged();
 }
 
+void QQuickStackElement::setVisible(bool visible)
+{
+    QQuickStackViewAttached *attached = attachedStackObject(this);
+    if (!item || (attached && QQuickStackViewAttachedPrivate::get(attached)->explicitVisible))
+        return;
+
+    item->setVisible(visible);
+}
+
 void QQuickStackElement::transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget)
 {
     if (transitioner)