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xcb: try to repopulate xinput2 devices when needed 

And try to not call Q_ASSERT() to avoid crash.

Fixes: QTBUG-123554
Pick-to: 6.7 6.6 6.5
Change-Id: I9443c5f0ab4ca7a858df9b328f517b48ab8f122d
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
bb10
Liang Qi 2024-03-21 12:34:06 +01:00
parent 6f68cb9a60
commit 2862cdb7ba
1 changed files with 10 additions and 1 deletions
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11
src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
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@ -813,7 +813,16 @@ void QXcbConnection::xi2ProcessTouch(void *xiDevEvent, QXcbWindow *platformWindo
{
auto *xiDeviceEvent = reinterpret_cast<xcb_input_touch_begin_event_t *>(xiDevEvent);
TouchDeviceData *dev = touchDeviceForId(xiDeviceEvent->sourceid);
Q_ASSERT(dev);
if (!dev) {
qCDebug(lcQpaXInputEvents) << "didn't find the dev for given sourceid - " << xiDeviceEvent->sourceid
<< ", try to repopulate xi2 devices";
xi2SetupDevices();
dev = touchDeviceForId(xiDeviceEvent->sourceid);
if (!dev) {
qCDebug(lcQpaXInputEvents) << "still can't find the dev for it, give up.";
return;
}
}
const bool firstTouch = dev->touchPoints.isEmpty();
if (xiDeviceEvent->event_type == XCB_INPUT_TOUCH_BEGIN) {
QWindowSystemInterface::TouchPoint tp;