[Haskell-cafe] How to create a background program that monitors input (linux)

EatsKittens temporalabstraction at gmail.com
Tue Apr 29 15:19:35 UTC 2014

Yes, from within the X server. I've used Xlib in the past but this seemed
mostly limited to window management and keypresses when a specific terminal
in which a program is running has focus. I never came across a way to
simply monitor arbitray keypresses from a background program and take
action depending on them. For instance running a system command whenever
ctrl+alt+r is pressed.

On 29 April 2014 17:13, Niklas Hambüchen <mail at nh2.me> wrote:

> Do you wish to do that in an active Xorg GUI session?
> If yes, the X API (and corresponding Haskell packages) will allow you
> to do that; otherwise you usually have to read directly from the device
> files (e.g. /dev/input*) which usually requires root.
> On Tue 29 Apr 2014 15:55:00 BST, EatsKittens wrote:
> > Essentially, I want to create a program that is simply ran in the
> > background, not in a terminal, that monitors keypresses and mouse
> > presses and takes certain actions on specific keypresses. Where to start?
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