Function FindFocus

libraries/lib-basic-ui/BasicUI.h:387–393

Find the window that is accepting keyboard input, if any ! @post `result: result != nullptr` (but may point to an empty WindowPlacement) */

 @post `result: result != nullptr` (but may point to an empty WindowPlacement)
 */
inline std::unique_ptr<WindowPlacement> FindFocus()
{
   if (auto p = Get())
      if (auto result = p->DoFindFocus())
         return result;
   return std::make_unique<WindowPlacement>();
}

//! Set the window that accepts keyboard input
inline void SetFocus(const WindowPlacement &focus)