Resolves: #i124580# corrected some conversions of scale values...

to integer positions

(cherry picked from commit d3c4a0c2a87504007a30e6944f52da4654cfa784)

Change-Id: Iae4c16250e95938999d60d1c60e1163dfba243cf
set mnemonic widgets

Change-Id: Id4f4d2dfab6cf7f370488e87c6e86eb8da50b6fd
Resolves: fdo#75307 discard invalid user data

Change-Id: Id39b51c344004e02d3d5a281ba98721b944468c3