bug#47162: Mouse Wheel Won't Work When Emacs Built without Any Window System

[Lars Ingebrigtsen <larsi@gnus.org>]

张强 <johnson9009@163.com> writes:

> It is strange to me, because the mouse click work well no matter
> left/right mouse click or double click, but the mouse wheel will not,
> from comments in above code snippet, it seems the package "mwheel"
> need to be loaded after "xxx-win.el" for the initialization of
> variables "mouse-wheel-*-event".  After add below code snippet to my
> emacs configuration file, I found the package "mwheel" can work well
> when the emacs built without any window system.
>
>    (load "mwheel")
>    (mouse-wheel-mode t)
>
> so I want to know whether the package "mwheel" should be loaded without
> precondition?

I'm not sure that preloading the mwheel package in non-window builds is
optimal (I think a minority of users use mwheel in non-window builds).
But the mode should be autoloaded, at least, so that you don't have to
say (load "mwheel") to use it.

I've now made this change in Emacs 28.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no