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Do not show the warning if queryAI() returns an invalid interface. 

We should only warn about missing a11y plugins if iface is 0, since
we obviously have the plugin otherwise.

This got triggered by that a visible widget got destructed, which in
turn called hide(), which ultimately ended up calling
QAccessible::updateAccessibility(QAccessible::ObjectHide).
When QAccessibleEvent::accessibleInterface() then called
queryAccessibleInterface(), QAI::isValid() would return false because
the widget was in its destructor.

Change-Id: If655e00e7bb3737a39e24e26dbd1e23edd515bf5
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
bb10
Jan Arve Saether 2013-04-10 12:03:39 +02:00 committed by The Qt Project
parent 0b12cf613f
commit 3a3e9b74eb
1 changed files with 1 additions and 1 deletions
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2
src/gui/accessible/qaccessible.cpp
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@ -1507,7 +1507,7 @@ QAccessibleInterface *QAccessibleEvent::accessibleInterface() const
QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(m_object);
if (!iface || !iface->isValid()) {
static bool hasWarned = false;
if (!hasWarned) {
if (!iface && !hasWarned) {
qWarning() << "Problem creating accessible interface for: " << m_object << endl
<< "Make sure to deploy Qt with accessibility plugins.";
hasWarned = true;