How to set keyboard focus to a window?

["Harinandan S" <harinandans gmail com>]

Hi All,

 

I'm using Gtk 2.12.2 over DirectFB 1.3.0. I want to set keyboard focus to a window. In my application there are more than one window open at a time. I dont have a mouse but just a keyboard. Unless mouse pointer moves over another window the old window will still be in focus. How to set keyboard focus to a window?

Regards,
Harinandan S