improve panels, inverted brush outline color

src/node.cpp

@@ -119,6 +119,14 @@ kEventResult Node::on_event(Event* e)
     }
 
     bool skip_children = false;
+
+    // skip mouse events if outside
+    if (e->m_cat == kEventCategory::MouseEvent)
+    {
+        MouseEvent* me = static_cast<MouseEvent*>(e);
+        skip_children |= m_mouse_inside && !point_in_rect(me->m_pos, m_clip);
+    }
+
     skip_children |= (e->m_cat == kEventCategory::MouseEvent || e->m_cat == kEventCategory::GestureEvent) &&
         (m_mouse_captured) && (root()->current_mouse_capture == this) && m_capture_children; // <-- THIS IS WRONG "!m_capture_children" is correct, but it breaks everything if changed