Introduce widget::textTop

src/openrct2/interface/Window.h

@@ -118,6 +118,14 @@ struct rct_widget
     {
         return (top + bottom) / 2;
     }
+
+    int16_t textTop() const
+    {
+        if (height() >= 10)
+            return std::max<int32_t>(top, top + (height() / 2) - 5);
+        else
+            return top - 1;
+    }
 };
 
 /**