Steam for Linux

Steam for Linux

How do i open virtual keyboard in games?
I want to play with only a gamepad in my living room, however the guide button short only works in desktop, which makes it pretty useless, since if you're not in big picture you would be using a mouse and keyboard to work and study. Is there a way to force steam to enable guide button chord in games too? I want to play online games in my living room, but the virtual keyboard simply doesn't want to pop up in chats.