Physic Picking Events

diff --git a/scene/gui/viewport_container.cpp b/scene/gui/viewport_container.cpp
index ac5e6020ebc22cd000f10e343c2be5f782c57242..bc8bfa09334f7928c0a9465055cb32d5e59223d0 100644
--- a/scene/gui/viewport_container.cpp
+++ b/scene/gui/viewport_container.cpp
@@ -165,9 +165,35 @@ void ViewportContainer::_input(const Ref<InputEvent> &p_event) {
    }
 }

+void ViewportContainer::_unhandled_input(const Ref<InputEvent> &p_event) {
+
+   if (Engine::get_singleton()->is_editor_hint())
+       return;
+
+   Transform2D xform = get_global_transform();
+
+   if (stretch) {
+       Transform2D scale_xf;
+       scale_xf.scale(Vector2(shrink, shrink));
+       xform *= scale_xf;
+   }
+
+   Ref<InputEvent> ev = p_event->xformed_by(xform.affine_inverse());
+
+   for (int i = 0; i < get_child_count(); i++) {
+
+       Viewport *c = Object::cast_to<Viewport>(get_child(i));
+       if (!c || c->is_input_disabled())
+           continue;
+
+       c->unhandled_input(ev);
+   }
+}
+
 void ViewportContainer::_bind_methods() {

    ClassDB::bind_method(D_METHOD("_input", "event"), &ViewportContainer::_input);
+   ClassDB::bind_method(D_METHOD("_unhandled_input", "event"), &ViewportContainer::_unhandled_input);
    ClassDB::bind_method(D_METHOD("set_stretch", "enable"), &ViewportContainer::set_stretch);
    ClassDB::bind_method(D_METHOD("is_stretch_enabled"), &ViewportContainer::is_stretch_enabled);

@@ -183,4 +209,5 @@ ViewportContainer::ViewportContainer() {
    stretch = false;
    shrink = 1;
    set_process_input(true);
+   set_process_unhandled_input(true);
 }
diff --git a/scene/gui/viewport_container.h b/scene/gui/viewport_container.h
index 45c4cd03a1b94a3dcc1dbe7d9ec50d070b202681..60aec259599dde6c1228cd980e487247642eb3b7 100644
--- a/scene/gui/viewport_container.h
+++ b/scene/gui/viewport_container.h
@@ -49,6 +49,7 @@ public:
    bool is_stretch_enabled() const;

    void _input(const Ref<InputEvent> &p_event);
+   void _unhandled_input(const Ref<InputEvent> &p_event);
    void set_stretch_shrink(int p_shrink);
    int get_stretch_shrink() const;