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Windows QPA: Fix accessibility focus event for table/tree/list

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The focused element within a table, tree or list was not being informed
in the UI Automation focus change events, causing the focused element
to be missed by screen readers.

Fixes: QTBUG-91029
Change-Id: I738502e6871358508b4510763018837c304b618e
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
(cherry picked from commit f1eccab04e01b3acc1a4b4c6a5fe7b3af3e2dcba)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Andre de la Rocha 2021-03-21 04:16:44 +01:00 committed by Qt Cherry-pick Bot
parent 8bed35c07e
commit 7432281cc9
1 changed files with 11 additions and 0 deletions
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11
src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp
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@ -107,6 +107,17 @@ QWindowsUiaMainProvider::~QWindowsUiaMainProvider()
void QWindowsUiaMainProvider::notifyFocusChange(QAccessibleEvent *event)
{
if (QAccessibleInterface *accessible = event->accessibleInterface()) {
// If this is a table/tree/list, raise event for the focused cell/item instead.
if (accessible->tableInterface()) {
int count = accessible->childCount();
for (int i = 0; i < count; ++i) {
QAccessibleInterface *item = accessible->child(i);
if (item && item->isValid() && item->state().focused) {
accessible = item;
break;
}
}
}
if (QWindowsUiaMainProvider *provider = providerForAccessible(accessible)) {
QWindowsUiaWrapper::instance()->raiseAutomationEvent(provider, UIA_AutomationFocusChangedEventId);
}