On 2024-12-17 22:25, Gerd Möllmann wrote:

> WRT GPM: Sounds to me like this is because GPM hasn't been changes to
> act analogous to xt-mouse. I think there only two commits to 
> xt-mouse.el
> in the branch. It's not much, if you look at the diffs, basically only
> 
>   - determine the frame F under (x, y) as reported by the terminal
> 
>   - Give Emacs (F, x', y'), where x' and y' are the coordinates
>     relative to F
> 
> That was all I needed, in principle, at least for xterm-mouse, to make
> things work. Don't know if that also fits for GPm.

It was that easy to do.  Attached is a patch that adds support for TTY 
child frames to a GPM mouse.

   -- MJF