https://forums.smartclient.com/forum/smart-gwt-technical-q-a/257470-12-0p-hlayout-design-problem-in-print-preview?view=thread
12.0p: HLayout design problem in Print preview - SmartClient Forums
Hi Isomorphic, please see this sample (v12.0p_2019-03-23) and how different the same class looks as Window and as Print preview. IMHO there is something wrong
in printhlayoutdesignproblempreview