XGrabButton

[Po Lu]

Riza Dindir <riza.dindir at gmail.com> writes:

> Since the XGrabPointer call with AnyButton and AnyModifier does grab
> for all modifiers and buttons, how should I make it propagate to the
> window the button press event (without modifiers). I tried XSendEvent
> to send the button press event to that window, but it did not respond.
> The application does not operate as expected.
>
> It is perfectly ok for me to use 3 XGrabButton calls, but was
> wondering why this would not work for a XGrabButton call with
> AnyButton and AnyModifier parameters.

The application in question might be using the X input extension and
only responding to XI events, and you likely forgot to change the event
window contained in the event before resending it to the application.

It's generally a bad idea to intercept and ``resend'' events to other X
clients, as you are required to translate the event coordinates
yourself, and the recipients will see events arrive with their
timestamps out-of-order.  Additionally, you will have to translate input
extension events generated by both versions of the extension, and any
generated by extensions that haven't yet been invented.