Update item focus when the enabled property is changed.

Remove active focus from an item when it is disabled, and give active
focus to an enabled item if it has focus within a scope with active
focus.

Task-number: QTBUG-22404
Change-Id: Iff2b774a9ff784e6107a4ed6524c93e749ae0182
Reviewed-by: Michael Brasser <michael.brasser@nokia.com>

1 files changed, 139 insertions, 0 deletions

diff --git a/tests/auto/qtquick2/qquickitem/tst_qquickitem.cpp b/tests/auto/qtquick2/qquickitem/tst_qquickitem.cpp
index 3ff5054bd3..099f29d925 100644
--- a/tests/auto/qtquick2/qquickitem/tst_qquickitem.cpp
+++ b/tests/auto/qtquick2/qquickitem/tst_qquickitem.cpp
@@ -136,6 +136,7 @@ private slots:
 
     void visible();
     void enabled();
+    void enabledFocus();
 
     void mouseGrab();
     void touchEventAccept();
@@ -801,6 +802,144 @@ void tst_qquickitem::enabled()
     delete child2;
 }
 
+void tst_qquickitem::enabledFocus()
+{
+    QQuickCanvas canvas;
+    ensureFocus(&canvas);
+
+    QQuickFocusScope root;
+
+    root.setFocus(true);
+    root.setEnabled(false);
+
+    QCOMPARE(root.isEnabled(), false);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), false);
+
+    root.setParentItem(canvas.rootItem());
+
+    QCOMPARE(root.isEnabled(), false);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), canvas.rootItem());
+
+    root.setEnabled(true);
+    QCOMPARE(root.isEnabled(), true);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), true);
+    QCOMPARE(canvas.activeFocusItem(), static_cast<QQuickItem *>(&root));
+
+    QQuickItem child1;
+    child1.setParentItem(&root);
+
+    QCOMPARE(child1.isEnabled(), true);
+    QCOMPARE(child1.hasFocus(), false);
+    QCOMPARE(child1.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), static_cast<QQuickItem *>(&root));
+
+    QQuickItem child2;
+    child2.setFocus(true);
+    child2.setParentItem(&root);
+
+    QCOMPARE(root.isEnabled(), true);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), true);
+    QCOMPARE(child2.isEnabled(), true);
+    QCOMPARE(child2.hasFocus(), true);
+    QCOMPARE(child2.hasActiveFocus(), true);
+    QCOMPARE(canvas.activeFocusItem(), &child2);
+
+    child2.setEnabled(false);
+
+    QCOMPARE(root.isEnabled(), true);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), true);
+    QCOMPARE(child1.isEnabled(), true);
+    QCOMPARE(child1.hasFocus(), false);
+    QCOMPARE(child1.hasActiveFocus(), false);
+    QCOMPARE(child2.isEnabled(), false);
+    QCOMPARE(child2.hasFocus(), true);
+    QCOMPARE(child2.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), static_cast<QQuickItem *>(&root));
+
+    child1.setEnabled(false);
+    QCOMPARE(child1.isEnabled(), false);
+    QCOMPARE(child1.hasFocus(), false);
+    QCOMPARE(child1.hasActiveFocus(), false);
+
+    child1.setFocus(true);
+    QCOMPARE(child1.isEnabled(), false);
+    QCOMPARE(child1.hasFocus(), true);
+    QCOMPARE(child1.hasActiveFocus(), false);
+    QCOMPARE(child2.isEnabled(), false);
+    QCOMPARE(child2.hasFocus(), false);
+    QCOMPARE(child2.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), static_cast<QQuickItem *>(&root));
+
+    child1.setEnabled(true);
+    QCOMPARE(child1.isEnabled(), true);
+    QCOMPARE(child1.hasFocus(), true);
+    QCOMPARE(child1.hasActiveFocus(), true);
+    QCOMPARE(canvas.activeFocusItem(), static_cast<QQuickItem *>(&child1));
+
+    root.setFocus(false);
+    QCOMPARE(root.isEnabled(), true);
+    QCOMPARE(root.hasFocus(), false);
+    QCOMPARE(root.hasActiveFocus(), false);
+    QCOMPARE(child1.isEnabled(), true);
+    QCOMPARE(child1.hasFocus(), true);
+    QCOMPARE(child1.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), canvas.rootItem());
+
+    child2.forceActiveFocus();
+    QCOMPARE(root.isEnabled(), true);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), true);
+    QCOMPARE(child1.isEnabled(), true);
+    QCOMPARE(child1.hasFocus(), false);
+    QCOMPARE(child1.hasActiveFocus(), false);
+    QCOMPARE(child2.isEnabled(), false);
+    QCOMPARE(child2.hasFocus(), true);
+    QCOMPARE(child2.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), static_cast<QQuickItem *>(&root));
+
+    root.setEnabled(false);
+    QCOMPARE(root.isEnabled(), false);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), false);
+    QCOMPARE(child1.isEnabled(), false);
+    QCOMPARE(child1.hasFocus(), false);
+    QCOMPARE(child1.hasActiveFocus(), false);
+    QCOMPARE(child2.isEnabled(), false);
+    QCOMPARE(child2.hasFocus(), true);
+    QCOMPARE(child2.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), canvas.rootItem());
+
+    child1.forceActiveFocus();
+    QCOMPARE(root.isEnabled(), false);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), false);
+    QCOMPARE(child1.isEnabled(), false);
+    QCOMPARE(child1.hasFocus(), true);
+    QCOMPARE(child1.hasActiveFocus(), false);
+    QCOMPARE(child2.isEnabled(), false);
+    QCOMPARE(child2.hasFocus(), false);
+    QCOMPARE(child2.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), canvas.rootItem());
+
+    root.setEnabled(true);
+    QCOMPARE(root.isEnabled(), true);
+    QCOMPARE(root.hasFocus(), true);
+    QCOMPARE(root.hasActiveFocus(), true);
+    QCOMPARE(child1.isEnabled(), true);
+    QCOMPARE(child1.hasFocus(), true);
+    QCOMPARE(child1.hasActiveFocus(), true);
+    QCOMPARE(child2.isEnabled(), false);
+    QCOMPARE(child2.hasFocus(), false);
+    QCOMPARE(child2.hasActiveFocus(), false);
+    QCOMPARE(canvas.activeFocusItem(), static_cast<QQuickItem *>(&child1));
+}
+
 void tst_qquickitem::mouseGrab()
 {
     QQuickCanvas *canvas = new QQuickCanvas;