diff --git a/src/Widget.cpp b/src/Widget.cpp
index fada833..f8d2a78 100644
--- a/src/Widget.cpp
+++ b/src/Widget.cpp
@@ -9,7 +9,7 @@
 
 namespace Raven {
 
-Point Widget::window_relative() {
+Point Widget::compute_window_relative() {
     Point point = { 0, 0 };
     for (Widget* parent = m_parent; parent; parent = parent->parent()) {
         point.add(parent->rect().x(), parent->rect().y());
@@ -51,8 +51,11 @@ void Widget::move_to(double x, double y) {
 }
 
 void Widget::do_layout() {
-    if (m_layout)
+    if (m_layout) {
         m_layout->run();
+    }
+
+    m_window_relative = compute_window_relative();
 }
 
 void Widget::set_layout(std::shared_ptr<Layout> layout) {
diff --git a/src/Widget.hpp b/src/Widget.hpp
index 48faae2..95084ec 100644
--- a/src/Widget.hpp
+++ b/src/Widget.hpp
@@ -58,7 +58,7 @@ public:
     void set_rect(Box rect) { m_rect = rect; reflow(); }
     void set_rect(Box rect, bool is_pure) { m_rect = rect; if (!is_pure) { reflow(); } }
 
-    Point window_relative();
+    Point &window_relative() { return m_window_relative; };
 
     WidgetType type() { return m_type; }
     ControlWidgetType control_type() { return m_control_type; }
@@ -114,16 +114,19 @@ protected:
     virtual void on_paint() {}
 
     void set_did_init(bool did_init) { m_did_init = did_init; }
+    Point compute_window_relative();
+
+    void do_layout();
 
     void repaint();
     void reflow();
 private:
-    void do_layout();
     void handle_repaint_rect(RepaintRectEvent &event);
     void handle_relayout_subtree(RelayoutSubtreeEvent &event);
     void handle_mouse_move_event(MouseMoveEvent &event);
     void handle_mouse_button_event(MouseButtonEvent &event);
 
+    Point m_window_relative { 0, 0 };
     Box m_rect { 0, 0, 0, 0 };
     std::vector<std::shared_ptr<Widget>> m_children;
     Widget *m_parent { nullptr };