Windows: Split code paths for touch/native gesture events.

Fix up 2b5df245d6cdbfb3150ee815debccf655af8f19f which routed
WM_GESTURE through QWindowsMouseHandler::translateTouchEvent()
causing asserts on missing touch devices.

Task-number: QTBUG-47184
Change-Id: Ie843ebb343e34487bcac9c9dbea88de641d51e28
Reviewed-by: Oliver Wolff <oliver.wolff@theqtcompany.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp
index a532e92397..3f355db607 100644
--- a/src/plugins/platforms/windows/qwindowscontext.cpp
+++ b/src/plugins/platforms/windows/qwindowscontext.cpp
@@ -919,7 +919,11 @@ bool QWindowsContext::windowsProc(HWND hwnd, UINT message,
     case QtWindows::InputMethodRequest:
         return QWindowsInputContext::instance()->handleIME_Request(wParam, lParam, result);
     case QtWindows::GestureEvent:
-        return d->m_mouseHandler.translateTouchEvent(platformWindow->window(), hwnd, et, msg, result);
+#if !defined(Q_OS_WINCE) && !defined(QT_NO_SESSIONMANAGER)
+        return platformSessionManager()->isInteractionBlocked() ? true : d->m_mouseHandler.translateGestureEvent(platformWindow->window(), hwnd, et, msg, result);
+#else
+        return d->m_mouseHandler.translateGestureEvent(platformWindow->window(), hwnd, et, msg, result);
+#endif
     case QtWindows::InputMethodOpenCandidateWindowEvent:
     case QtWindows::InputMethodCloseCandidateWindowEvent:
         // TODO: Release/regrab mouse if a popup has mouse grab.