diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index 077084b..79dc64b 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -2007,6 +2007,7 @@ Q_GUI_EXPORT bool operator==(const QGuiApplicationPrivate::ActiveTouchPointsKey
 
 void QGuiApplicationPrivate::processTouchEvent(QWindowSystemInterfacePrivate::TouchEvent *e)
 {
+    qDebug() << __FUNCTION__ <<e->window << e->type <<"pts" << e->points.size();
     QGuiApplicationPrivate *d = self;
     modifier_buttons = e->modifiers;
 
@@ -2051,8 +2052,10 @@ void QGuiApplicationPrivate::processTouchEvent(QWindowSystemInterfacePrivate::To
     }
 
     // Prevent sending ill-formed event sequences: Cancel can only be followed by a Begin.
-    if (self->lastTouchType == QEvent::TouchCancel && e->touchType != QEvent::TouchBegin)
+    if (self->lastTouchType == QEvent::TouchCancel && e->touchType != QEvent::TouchBegin) {
+        qDebug() << __FUNCTION__ <<e->window << "return1: Cancel";
         return;
+    }
 
     self->lastTouchType = e->touchType;
 
@@ -2152,8 +2155,10 @@ void QGuiApplicationPrivate::processTouchEvent(QWindowSystemInterfacePrivate::To
         maskAndPoints.second.append(touchPoint);
     }
 
-    if (windowsNeedingEvents.isEmpty())
+    if (windowsNeedingEvents.isEmpty()) {
+        qDebug() << __FUNCTION__ <<e->window << "return2: windowsNeedingEvents";
         return;
+    }
 
     QHash<QWindow *, StatesAndTouchPoints>::ConstIterator it = windowsNeedingEvents.constBegin();
     const QHash<QWindow *, StatesAndTouchPoints>::ConstIterator end = windowsNeedingEvents.constEnd();
diff --git a/src/gui/kernel/qwindowsysteminterface.cpp b/src/gui/kernel/qwindowsysteminterface.cpp
index 902c324..c6fb559 100644
--- a/src/gui/kernel/qwindowsysteminterface.cpp
+++ b/src/gui/kernel/qwindowsysteminterface.cpp
@@ -400,6 +400,7 @@ void QWindowSystemInterface::registerTouchDevice(QTouchDevice *device)
 void QWindowSystemInterface::handleTouchEvent(QWindow *w, QTouchDevice *device,
                                               const QList<TouchPoint> &points, Qt::KeyboardModifiers mods)
 {
+    qDebug() << __FUNCTION__ <<w;
     unsigned long time = QWindowSystemInterfacePrivate::eventTime.elapsed();
     handleTouchEvent(w, time, device, points, mods);
 }
@@ -449,6 +450,7 @@ QList<QTouchEvent::TouchPoint> QWindowSystemInterfacePrivate::convertTouchPoints
 void QWindowSystemInterface::handleTouchEvent(QWindow *tlw, ulong timestamp, QTouchDevice *device,
                                               const QList<TouchPoint> &points, Qt::KeyboardModifiers mods)
 {
+    qDebug() << __FUNCTION__ <<tlw;
     if (!points.size()) // Touch events must have at least one point
         return;
 
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.cpp b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
index 3dd8c5a..78a48db 100644
--- a/src/plugins/platforms/windows/qwindowsmousehandler.cpp
+++ b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
@@ -402,6 +402,7 @@ bool QWindowsMouseHandler::translateTouchEvent(QWindow *window, HWND,
                                                QtWindows::WindowsEventType,
                                                MSG msg, LRESULT *)
 {
+    qDebug() << __FUNCTION__ << window << msg.message;
 #ifndef Q_OS_WINCE
     typedef QWindowSystemInterface::TouchPoint QTouchPoint;
     typedef QList<QWindowSystemInterface::TouchPoint> QTouchPointList;