Made absolute mouse coordinates work under Windows as well

src/qt/qt_main.cpp

@@ -246,7 +246,6 @@ main(int argc, char *argv[])
     auto rawInputFilter = WindowsRawInputFilter::Register(main_window);
     if (rawInputFilter) {
         app.installNativeEventFilter(rawInputFilter.get());
-        QObject::disconnect(main_window, &MainWindow::pollMouse, 0, 0);
         QObject::connect(main_window, &MainWindow::pollMouse, (WindowsRawInputFilter *) rawInputFilter.get(), &WindowsRawInputFilter::mousePoll, Qt::DirectConnection);
         main_window->setSendKeyboardInput(false);
     }

src/qt/qt_rendererstack.cpp

@@ -144,6 +144,11 @@ qt_mouse_capture(int on)
 void
 RendererStack::mousePoll()
 {
+#ifdef Q_OS_WINDOWS
+    mouse_x_abs               = mousedata.x_abs;
+    mouse_y_abs               = mousedata.y_abs;
+    return;
+#endif
 #ifndef __APPLE__
     mouse_x                   = mousedata.deltax;
     mouse_y                   = mousedata.deltay;