[bug fix] at application start-up, Theme switcher's underlying input widget got focus  and it responsed unrelated keystrokes , which caused unexpected theme change.
[bug fix] at application start-up, Theme switcher's underlying input
widget got focus 
and it responsed unrelated keystrokes
, which caused unexpected theme change.
suewonjp/civilizer,suewonjp/civilizer,suewonjp/civilizer,suewonjp/civilizer