extend DefaultColorSelectorBackend * replace text entries with spin buttons * add opacity slider
extend DefaultColorSelectorBackend
* replace text entries with spin buttons
* add opacity slider
iainx/xwt,steffenWi/xwt,mminns/xwt,akrisiun/xwt,TheBrainTech/xwt,directhex/xwt,antmicro/xwt,hwthomas/xwt,cra0zy/xwt,lytico/xwt,sevoku/xwt,mono/xwt,hamekoz/xwt,mminns/xwt,residuum/xwt