diff --git a/src/gui/kernel/qapplication_qpa.cpp b/src/gui/kernel/qapplication_qpa.cpp
index 1059ead210..dfac850716 100644
--- a/src/gui/kernel/qapplication_qpa.cpp
+++ b/src/gui/kernel/qapplication_qpa.cpp
@@ -76,8 +76,8 @@ QWidget *qt_button_down = 0;                     // widget got last button-down
 static bool app_do_modal = false;
 extern QWidgetList *qt_modal_stack;              // stack of modal widgets
 
-int qt_last_x = 0;
-int qt_last_y = 0;
+qreal qt_last_x = 0;
+qreal qt_last_y = 0;
 QPointer<QWidget> qt_last_mouse_receiver = 0;
 
 static Qt::MouseButtons buttons = Qt::NoButton;
@@ -621,7 +621,7 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
     QEvent::Type type;
     // move first
     Qt::MouseButtons stateChange = e->buttons ^ buttons;
-    if (e->globalPos != QPoint(qt_last_x, qt_last_y) && (stateChange != Qt::NoButton)) {
+    if (e->globalPos != QPointF(qt_last_x, qt_last_y) && (stateChange != Qt::NoButton)) {
         QWindowSystemInterfacePrivate::MouseEvent * newMouseEvent =
                 new QWindowSystemInterfacePrivate::MouseEvent(e->widget.data(), e->timestamp, e->localPos, e->globalPos, e->buttons);
         QWindowSystemInterfacePrivate::windowSystemEventQueue.prepend(newMouseEvent); // just in case the move triggers a new event loop
@@ -630,8 +630,8 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
 
     QWidget * tlw = e->widget.data();
 
-    QPoint localPoint = e->localPos;
-    QPoint globalPoint = e->globalPos;
+    QPointF localPoint = e->localPos;
+    QPointF globalPoint = e->globalPos;
     QWidget *mouseWindow = tlw;
 
     Qt::MouseButton button = Qt::NoButton;
@@ -694,7 +694,7 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
 
     // find the tlw if we didn't get it from the plugin
     if (!mouseWindow) {
-        mouseWindow = QApplication::topLevelAt(globalPoint);
+        mouseWindow = QApplication::topLevelAt(globalPoint.toPoint());
     }
 
     if (!mouseWindow && !implicit_mouse_grabber)
@@ -702,13 +702,13 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
 
     if (mouseWindow && mouseWindow != tlw) {
         //we did not get a sensible localPoint from the window system, so let's calculate it
-        localPoint = mouseWindow->mapFromGlobal(globalPoint);
+        localPoint = mouseWindow->mapFromGlobal(globalPoint.toPoint());
     }
 
     // which child should have it?
     QWidget *mouseWidget = mouseWindow;
     if (mouseWindow) {
-        QWidget *w =  mouseWindow->childAt(localPoint);
+        QWidget *w =  mouseWindow->childAt(localPoint.toPoint());
         if (w) {
             mouseWidget = w;
         }
@@ -724,13 +724,13 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
         mouseWidget = implicit_mouse_grabber.data();
         mouseWindow = mouseWidget->window();
         if (mouseWindow != tlw)
-            localPoint = mouseWindow->mapFromGlobal(globalPoint);
+            localPoint = mouseWindow->mapFromGlobal(globalPoint.toPoint());
     }
 
     Q_ASSERT(mouseWidget);
 
     //localPoint is local to mouseWindow, but it needs to be local to mouseWidget
-    localPoint = mouseWidget->mapFrom(mouseWindow, localPoint);
+    localPoint = mouseWidget->mapFrom(mouseWindow, localPoint.toPoint());
 
     if (buttons == Qt::NoButton) {
         //qDebug() << "resetting mouse grabber";
@@ -760,7 +760,7 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
 
 #ifndef QT_NO_CONTEXTMENU
     if (type == QEvent::MouseButtonPress && button == Qt::RightButton && (openPopupCount == oldOpenPopupCount)) {
-        QContextMenuEvent e(QContextMenuEvent::Mouse, localPoint, globalPoint, QApplication::keyboardModifiers());
+        QContextMenuEvent e(QContextMenuEvent::Mouse, localPoint.toPoint(), globalPoint.toPoint(), QApplication::keyboardModifiers());
         QApplication::sendSpontaneousEvent(mouseWidget, &e);
     }
 #endif // QT_NO_CONTEXTMENU
@@ -772,7 +772,7 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
 void QApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent *e)
 {
 //    QPoint localPoint = ev.pos();
-    QPoint globalPoint = e->globalPos;
+    QPointF globalPoint = e->globalPos;
 //    bool trustLocalPoint = !!tlw; //is there something the local point can be local to?
     QWidget *mouseWidget;
 
@@ -783,7 +783,7 @@ void QApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::Wheel
 
      // find the tlw if we didn't get it from the plugin
      if (!mouseWindow) {
-         mouseWindow = QApplication::topLevelAt(globalPoint);
+         mouseWindow = QApplication::topLevelAt(globalPoint.toPoint());
      }
 
      if (!mouseWindow)
@@ -795,11 +795,11 @@ void QApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::Wheel
          qDebug() << "modal blocked wheel event" << mouseWindow;
          return;
      }
-     QPoint p = mouseWindow->mapFromGlobal(globalPoint);
-     QWidget *w = mouseWindow->childAt(p);
+     QPointF p = mouseWindow->mapFromGlobal(globalPoint.toPoint());
+     QWidget *w = mouseWindow->childAt(p.toPoint());
      if (w) {
          mouseWidget = w;
-         p = mouseWidget->mapFromGlobal(globalPoint);
+         p = mouseWidget->mapFromGlobal(globalPoint.toPoint());
      }
 
      QWheelEvent ev(p, globalPoint, e->delta, buttons, QApplication::keyboardModifiers(),
diff --git a/src/gui/kernel/qcursor_qpa.cpp b/src/gui/kernel/qcursor_qpa.cpp
index c0b27bebd8..d4cf6f4995 100644
--- a/src/gui/kernel/qcursor_qpa.cpp
+++ b/src/gui/kernel/qcursor_qpa.cpp
@@ -107,11 +107,11 @@ void QCursorData::update()
 
 #endif //QT_NO_CURSOR
 
-extern int qt_last_x,qt_last_y;
+extern qreal qt_last_x,qt_last_y;
 
 QPoint QCursor::pos()
 {
-    return QPoint(qt_last_x, qt_last_y);
+    return QPointF(qt_last_x, qt_last_y).toPoint();
 }
 
 void QCursor::setPos(int x, int y)
diff --git a/src/gui/kernel/qwindowsysteminterface_qpa.cpp b/src/gui/kernel/qwindowsysteminterface_qpa.cpp
index 0ae18d5a48..5ae30148d3 100644
--- a/src/gui/kernel/qwindowsysteminterface_qpa.cpp
+++ b/src/gui/kernel/qwindowsysteminterface_qpa.cpp
@@ -115,12 +115,12 @@ void QWindowSystemInterface::handleCloseEvent(QWidget *tlw)
 
 
 */
-void QWindowSystemInterface::handleMouseEvent(QWidget *w, const QPoint & local, const QPoint & global, Qt::MouseButtons b) {
+void QWindowSystemInterface::handleMouseEvent(QWidget *w, const QPointF & local, const QPointF & global, Qt::MouseButtons b) {
     unsigned long time = QWindowSystemInterfacePrivate::eventTime.elapsed();
     handleMouseEvent(w, time, local, global, b);
 }
 
-void QWindowSystemInterface::handleMouseEvent(QWidget *tlw, ulong timestamp, const QPoint & local, const QPoint & global, Qt::MouseButtons b)
+void QWindowSystemInterface::handleMouseEvent(QWidget *tlw, ulong timestamp, const QPointF & local, const QPointF & global, Qt::MouseButtons b)
 {
     if (tlw) {
         QWidgetData *data = qt_qwidget_data(tlw);
@@ -180,12 +180,12 @@ void QWindowSystemInterface::handleExtendedKeyEvent(QWidget *tlw, ulong timestam
     QWindowSystemInterfacePrivate::queueWindowSystemEvent(e);
 }
 
-void QWindowSystemInterface::handleWheelEvent(QWidget *w, const QPoint & local, const QPoint & global, int d, Qt::Orientation o) {
+void QWindowSystemInterface::handleWheelEvent(QWidget *w, const QPointF & local, const QPointF & global, int d, Qt::Orientation o) {
     unsigned long time = QWindowSystemInterfacePrivate::eventTime.elapsed();
     handleWheelEvent(w, time, local, global, d, o);
 }
 
-void QWindowSystemInterface::handleWheelEvent(QWidget *tlw, ulong timestamp, const QPoint & local, const QPoint & global, int d, Qt::Orientation o)
+void QWindowSystemInterface::handleWheelEvent(QWidget *tlw, ulong timestamp, const QPointF & local, const QPointF & global, int d, Qt::Orientation o)
 {
     if (tlw) {
         QWidgetData *data = qt_qwidget_data(tlw);
diff --git a/src/gui/kernel/qwindowsysteminterface_qpa.h b/src/gui/kernel/qwindowsysteminterface_qpa.h
index 585d79f56a..5a811b90c1 100644
--- a/src/gui/kernel/qwindowsysteminterface_qpa.h
+++ b/src/gui/kernel/qwindowsysteminterface_qpa.h
@@ -58,8 +58,8 @@ QT_MODULE(Gui)
 class Q_GUI_EXPORT QWindowSystemInterface
 {
 public:
-    static void handleMouseEvent(QWidget *w, const QPoint & local, const QPoint & global, Qt::MouseButtons b);
-    static void handleMouseEvent(QWidget *w, ulong timestamp, const QPoint & local, const QPoint & global, Qt::MouseButtons b);
+    static void handleMouseEvent(QWidget *w, const QPointF & local, const QPointF & global, Qt::MouseButtons b);
+    static void handleMouseEvent(QWidget *w, ulong timestamp, const QPointF & local, const QPointF & global, Qt::MouseButtons b);
 
     static void handleKeyEvent(QWidget *w, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1);
     static void handleKeyEvent(QWidget *w, ulong timestamp, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1);
@@ -75,8 +75,8 @@ public:
                                        const QString& text = QString(), bool autorep = false,
                                        ushort count = 1);
 
-    static void handleWheelEvent(QWidget *w, const QPoint & local, const QPoint & global, int d, Qt::Orientation o);
-    static void handleWheelEvent(QWidget *w, ulong timestamp, const QPoint & local, const QPoint & global, int d, Qt::Orientation o);
+    static void handleWheelEvent(QWidget *w, const QPointF & local, const QPointF & global, int d, Qt::Orientation o);
+    static void handleWheelEvent(QWidget *w, ulong timestamp, const QPointF & local, const QPointF & global, int d, Qt::Orientation o);
 
     struct TouchPoint {
         int id;                 // for application use
diff --git a/src/gui/kernel/qwindowsysteminterface_qpa_p.h b/src/gui/kernel/qwindowsysteminterface_qpa_p.h
index 7be64e620d..385175cc60 100644
--- a/src/gui/kernel/qwindowsysteminterface_qpa_p.h
+++ b/src/gui/kernel/qwindowsysteminterface_qpa_p.h
@@ -121,20 +121,20 @@ public:
 
     class MouseEvent : public UserEvent {
     public:
-        MouseEvent(QWidget * w, ulong time, const QPoint & local, const QPoint & global, Qt::MouseButtons b)
+        MouseEvent(QWidget * w, ulong time, const QPointF & local, const QPointF & global, Qt::MouseButtons b)
             : UserEvent(w, time, Mouse), localPos(local), globalPos(global), buttons(b) { }
-        QPoint localPos;
-        QPoint globalPos;
+        QPointF localPos;
+        QPointF globalPos;
         Qt::MouseButtons buttons;
     };
 
     class WheelEvent : public UserEvent {
     public:
-        WheelEvent(QWidget *w, ulong time, const QPoint & local, const QPoint & global, int d, Qt::Orientation o)
+        WheelEvent(QWidget *w, ulong time, const QPointF & local, const QPointF & global, int d, Qt::Orientation o)
             : UserEvent(w, time, Wheel), delta(d), localPos(local), globalPos(global), orient(o) { }
         int delta;
-        QPoint localPos;
-        QPoint globalPos;
+        QPointF localPos;
+        QPointF globalPos;
         Qt::Orientation orient;
     };