Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-74008

Every 2-finger touchevent raises application crash

    XMLWordPrintable

    Details

    • Platform/s:
      Windows
    • Commits:
      042f2b67739439c020451843d887d131d5f9cbdc (qt/qtdeclarative/5.12)

      Description

      On my Windows system doing a 2-finger gesture (pinch) the appliction crashes.

      It seems pointById(touchMouseId) called by deliverPressOrReleaseEvent() returns a nullptr which has no guard

      Here ist the stack:

              Qt5Quickd.dll!QQuickEventPoint::grabberPointerHandler() Line 879	C++
       	Qt5Quickd.dll!QQuickWindowPrivate::deliverPressOrReleaseEvent(QQuickPointerEvent * event, bool handlersOnly) Line 2530	C++
       	Qt5Quickd.dll!QQuickWindowPrivate::deliverTouchEvent(QQuickPointerTouchEvent * event) Line 2435	C++
       	Qt5Quickd.dll!QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent * event) Line 2356	C++
       	Qt5Quickd.dll!QQuickWindowPrivate::handleTouchEvent(QTouchEvent * event) Line 2136	C++
       	Qt5Quickd.dll!QQuickWindow::event(QEvent * e) Line 1597	C++
       	Qt5Cored.dll!QCoreApplicationPrivate::notify_helper(QObject * receiver, QEvent * event) Line 1220	C++
       	Qt5Cored.dll!doNotify(QObject * receiver, QEvent * event) Line 1150	C++
       	Qt5Cored.dll!QCoreApplication::notify(QObject * receiver, QEvent * event) Line 1137	C++
       	Qt5Guid.dll!QGuiApplication::notify(QObject * object, QEvent * event) Line 1792	C++
       	Qt5Cored.dll!QCoreApplication::notifyInternal2(QObject * receiver, QEvent * event) Line 1060	C++
       	Qt5Cored.dll!QCoreApplication::sendSpontaneousEvent(QObject * receiver, QEvent * event) Line 1463	C++
       	Qt5Guid.dll!QGuiApplicationPrivate::processTouchEvent(QWindowSystemInterfacePrivate::TouchEvent * e) Line 2866	C++
       	Qt5Guid.dll!QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent * e) Line 1847	C++
       	Qt5Guid.dll!QWindowSystemInterface::sendWindowSystemEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 1077	C++
       	qwindowsd.dll!QWindowsGuiEventDispatcher::sendPostedEvents() Line 83	C++
       	Qt5Cored.dll!qt_internal_proc(HWND__ * hwnd, unsigned int message, unsigned __int64 wp, __int64 lp) Line 247	C++
       	[External Code]	
       	Qt5Cored.dll!QEventDispatcherWin32::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 640	C++
       	qwindowsd.dll!QWindowsGuiEventDispatcher::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 74	C++
       	Qt5Cored.dll!QEventLoop::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 139	C++
       	Qt5Cored.dll!QEventLoop::exec(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 225	C++
       	Qt5Cored.dll!QCoreApplication::exec() Line 1363	C++
       	Qt5Guid.dll!QGuiApplication::exec() Line 1780	C++
      

        Attachments

          Issue Links

          No reviews matched the request. Check your Options in the drop-down menu of this sections header.

            Activity

              People

              Assignee:
              smd Jan Arve
              Reporter:
              seven_new Michael
              Votes:
              1 Vote for this issue
              Watchers:
              5 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

                  Gerrit Reviews

                  There are no open Gerrit changes