Related #576 High/Low DPI Adapting

The Qt UI would change the size according to the logical DPI of the computer
Only Windows and Linux have been tested. (Should also work on Mac but have not tested).
The function is unfinished.
@dideler Hmm, it seems it does not change much. Since I still need to make sure the instances of the arguments are acceptable. IMO it is better to user "*args" because it is more standard.