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author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2017-12-12 09:23:04 +0100 |
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committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2017-12-19 09:29:22 +0000 |
commit | d04187b6a17c16cc455a330fd3e3350016dcc889 (patch) | |
tree | 6e4f3686a53e923d9514e5486784e044a4080d68 /src/plugins/platforms/windows | |
parent | 23c55cd37ce1de489cf7c405a9d21781cbcb1ade (diff) |
Windows QPA: Check validity of device when handling tablet leave
Huion GT-191 has been observed to send spurious leave events.
Amends 127483b5e30de6c1905ea3280dd45a0b7d6a3813.
Task-number: QTBUG-65120
Change-Id: I5dfa003a71be137a7b40cc9c27d7cf2cada6922d
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Diffstat (limited to 'src/plugins/platforms/windows')
-rw-r--r-- | src/plugins/platforms/windows/qwindowstabletsupport.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowstabletsupport.cpp b/src/plugins/platforms/windows/qwindowstabletsupport.cpp index fba4e8f386..5fdc664603 100644 --- a/src/plugins/platforms/windows/qwindowstabletsupport.cpp +++ b/src/plugins/platforms/windows/qwindowstabletsupport.cpp @@ -355,6 +355,8 @@ bool QWindowsTabletSupport::translateTabletProximityEvent(WPARAM /* wParam */, L if (!LOWORD(lParam)) { qCDebug(lcQpaTablet) << "leave proximity for device #" << m_currentDevice; + if (m_currentDevice < 0 || m_currentDevice >= m_devices.size()) // QTBUG-65120, spurious leave observed + return false; if (totalPacks > 0) { QWindowSystemInterface::handleTabletLeaveProximityEvent(proximityBuffer[0].pkTime, m_devices.at(m_currentDevice).currentDevice, |