- show a message box instead of an empty dialog if the parameter list is empty - set keyboard focus depending on the Bochs start mode - removed unused variable
- show a message box instead of an empty dialog if the parameter list is empty
- set keyboard focus depending on the Bochs start mode
- removed unused variable

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet