On Tue, Nov 07, 2017 at 08:33:34AM -0800, Jason Gerecke wrote:
> BTN_STYLUS3 was (will be) added to the Linux 4.15 kernel to support the
> third button present on Wacom's "Pro Pen 3D" stylus. This commit adds
> support for this new event, mapping it to mouse button 8 ("navigate
> back"). Remapping this button to a different function is possible by
> using commands like `xsetwacom set <id> button 8 <action>`.
>
> Signed-off-by: Jason Gerecke <[email protected]>
Reviewed-by: Peter Hutterer <[email protected]>
though I'm wondering whether we should just add input-event-codes.h instead
of relying on manual ifdefs.
Cheers,
Peter
> ---
> src/wcmUSB.c | 4 ++++
> src/xf86WacomDefs.h | 6 ++++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/src/wcmUSB.c b/src/wcmUSB.c
> index 0b5ec57..2f96a8a 100644
> --- a/src/wcmUSB.c
> +++ b/src/wcmUSB.c
> @@ -1454,6 +1454,10 @@ static void usbParseKeyEvent(WacomCommonPtr common,
> ds->buttons = mod_buttons(ds->buttons, 2, event->value);
> break;
>
> + case BTN_STYLUS3:
> + ds->buttons = mod_buttons(ds->buttons, 3, event->value);
> + break;
> +
> default:
> change = 0;
> }
> diff --git a/src/xf86WacomDefs.h b/src/xf86WacomDefs.h
> index ec34211..a772597 100644
> --- a/src/xf86WacomDefs.h
> +++ b/src/xf86WacomDefs.h
> @@ -93,6 +93,12 @@
> #define ABS_MT_SLOT 0x2f
> #endif
>
> +/* 4.15 */
> +
> +#ifndef BTN_STYLUS3
> +#define BTN_STYLUS3 0x149
> +#endif
> +
>
> /******************************************************************************
> * Forward Declarations
>
> *****************************************************************************/
> --
> 2.15.0
>
>
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