Hello Po, Then it is much better to grab for buttons for each button/modifier instead of writing a generic grab because the resending of events required a more elaborate processing of the events.
Riza On Thu, Jul 27, 2023 at 3:53 PM Po Lu <luang...@yahoo.com> wrote: > > Riza Dindir <riza.din...@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.
