AuroraMiddleware/qt5base-lts
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Windows QPA: Check validity of device when handling tablet leave

Browse Source 
Huion GT-191 has been observed to send spurious leave events.
Amends 127483b5e3.

Task-number: QTBUG-65120
Change-Id: I5dfa003a71be137a7b40cc9c27d7cf2cada6922d
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
This commit is contained in:
Friedemann Kleint 2017-12-12 09:23:04 +01:00
parent 23c55cd37c
commit d04187b6a1
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/plugins/platforms/windows/qwindowstabletsupport.cpp
View File

@ -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,