[PATCH] [weston, v4] weston.ini: Add natural scroll support to weston.ini This adds support for enabling/disabling natural scrolling via a boolean in weston.ini:

Jiayi Zhao jeff.no.zhao at gmail.com
Mon Jan 30 01:57:29 UTC 2017


Darn, that's not what I wanted!
This may take longer than I thought.

Jiayi

On Jan 29, 2017 4:42 PM, "Peter Hutterer" <peter.hutterer at who-t.net> wrote:

> On Fri, Jan 27, 2017 at 09:46:49PM -0500, Jiayi Zhao wrote:
> > [libinput]
> > natural_scroll=true
> >
> > CHANGES:
> >  - libinput_device_config_scroll_has_natural_scroll() is no longer
> compared to != 0
> >  - added configuration option to weston.ini man page
> >
> > Signed-off-by: Jiayi Zhao <jeff.no.zhao at gmail.com>
> > ---
> >  compositor/main.c  | 13 +++++++++++++
> >  man/weston.ini.man |  3 +++
> >  weston.ini.in      |  1 +
> >  3 files changed, 17 insertions(+)
> >
> > diff --git a/compositor/main.c b/compositor/main.c
> > index 4bd6e68..84bb8dd 100644
> > --- a/compositor/main.c
> > +++ b/compositor/main.c
> > @@ -1133,6 +1133,8 @@ configure_input_device(struct weston_compositor
> *compositor,
> >       struct weston_config *config = wet_get_config(compositor);
> >       int enable_tap;
> >       int enable_tap_default;
> > +     int natural_scroll;
> > +     int natural_scroll_default;
> >
> >       s = weston_config_get_section(config,
> >                                     "libinput", NULL, NULL);
> > @@ -1147,6 +1149,17 @@ configure_input_device(struct weston_compositor
> *compositor,
> >               libinput_device_config_tap_set_enabled(device,
> >                                                      enable_tap);
> >       }
> > +
> > +     if (libinput_device_config_scroll_has_natural_scroll(device)) {
> > +             natural_scroll_default =
> > +                     libinput_device_config_scroll_
> get_default_natural_scroll_enabled(
> > +                             device);
> > +             weston_config_section_get_bool(s, "natural_scroll",
> > +                                             &natural_scroll,
> > +                                             natural_scroll_default);
> > +             libinput_device_config_scroll_set_natural_scroll_enabled(
> device,
> > +                                                     natural_scroll);
> > +     }
>
> libinput exposes natural scrolling on mice as well and with this code
> you're enabling it on any device that has the option. so your mouse
> wheels will be upside down too when you enable this. That's probably not
> what you intended, but if so, prepare for angry emails :)
>
> there are two options to work around this:
> * check the udev device for ID_INPUT_TOUCHPAD
> * assume anything that has tapping is a touchpad
>
> Cheers,
>    Peter
>
> >  }
> >
> >  static void
> > diff --git a/man/weston.ini.man b/man/weston.ini.man
> > index 2edb085..62e0f92 100644
> > --- a/man/weston.ini.man
> > +++ b/man/weston.ini.man
> > @@ -187,6 +187,9 @@ Available configuration are:
> >  .TP 7
> >  .BI "enable_tap=" true
> >  enables tap to click on touchpad devices
> > +.TP 7
> > +.BI "natural_scroll=" true
> > +enables natural scrolling on touchpad devices
> >  .RS
> >  .PP
> >
> > diff --git a/weston.ini.in b/weston.ini.in
> > index 257c4ec..f957ec6 100644
> > --- a/weston.ini.in
> > +++ b/weston.ini.in
> > @@ -61,6 +61,7 @@ path=@libexecdir@/weston-keyboard
> >
> >  #[libinput]
> >  #enable_tap=true
> > +#natural_scroll=false
> >
> >  #[touchpad]
> >  #constant_accel_factor = 50
> > --
> > 2.10.2
> >
> > _______________________________________________
> > wayland-devel mailing list
> > wayland-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/wayland-devel
> >
>
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