a11y uia: Notify about state changes of checkable item view items

To allow assistive technology on Windows to react to changes of the
checked state of item view items send appropriate notifications also
for the Cell, ListItem and TreeItem roles.

Fixes: QTBUG-141856
Change-Id: I5ff341fa260ea95c0cf80bc25c141f9da0ea54da
Reviewed-by: Michael Weghorn <[email protected]>
Reviewed-by: Volker Hilsheimer <[email protected]>

Author: ingokloecker

src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp

@@ -82,9 +82,12 @@ void QWindowsUiaMainProvider::notifyStateChange(QAccessibleStateChangeEvent *eve
 {
     if (QAccessibleInterface *accessible = event->accessibleInterface()) {
         if (event->changedStates().checked || event->changedStates().checkStateMixed) {
-            // Notifies states changes in checkboxes and switches.
+            // Notifies states changes in checkboxes, switches, and checkable item view items.
             if (accessible->role() == QAccessible::CheckBox
-                || accessible->role() == QAccessible::Switch) {
+                || accessible->role() == QAccessible::Switch
+                || accessible->role() == QAccessible::Cell
+                || accessible->role() == QAccessible::ListItem
+                || accessible->role() == QAccessible::TreeItem) {
                 if (auto provider = providerForAccessible(accessible)) {
                     long toggleState = ToggleState_Off;
                     if (accessible->state().checked)