Your customer is right. We have a POS application and that aplication has ability to use mouseless too. Our other applications are has a lot of keyboard shortcuts for press buttons.

You can use keypress event (That's easiest way) or you can use popups (That's best way) with shortcuts.

>An user of my software wants his application runs without mouse
>
>It's a software for a parking lot and he says it's dificult for him to use a mouse there
>I have about 100 users of this software and no one is complaining
>It's a cheap software
>
>I started to adapt the software the work also by keyboarb, butt as it has
>lots of buttons I am considering quit this user rather than finished the adaptation
>
>What do you guys think ?
>
>Is it wise to have mouseless compatible sofware ?
>( I dont like to enable tabs )