Qt: invalidate clientrect cache when viewport of scrollable form is resized.QTSCROLLABLEFORMS part.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43241 4005530d-fff6-0310-9dd1-cebe43e6787f
Qt: do not loop with LCL when designing TPageControl, keep LCL sizes when InUpdate.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43242 4005530d-fff6-0310-9dd1-cebe43e6787f