Re: [gtkmm] Handle X (root window) events in gtkmm?

[Toralf Lund <toralf procaptura com>]

Toralf Lund wrote:

> Is there a simple way to catch low-level X events in a gtk-- (1.2) 
> application? I'm primarily interested in events on the root window; 
> I'm not sure if that complicates matters.
>
> I have actually tried to solve the problem by calling XSelectInput(), 
> at startup, then polling events via the idle signal. This nearly works:
>
>   1. It may easily lead to unnecessary load on the system.
>   2. It looks like some of the events are lost.

I found out how to do it. The simple answer to my question is: You 
handle this by calling gdk_window_add_filter() or 
Gdk_Window::add_filter(). Se also my thread with subject "Handle X (root 
window) events in gtkmm".

- Toralf