On Tue, Dec 13, 2011 at 01:59:01PM -0800, Jason Gerecke wrote:
> This patch expands the number of valuators reported by devices to
> seven. The new seventh valuator reports the raw value provided from
> the kernel for the second touch ring.
>
> Signed-off-by: Jason Gerecke <killert...@gmail.com>
Reviewed-by: Peter Hutterer <peter.hutte...@who-t.net>
> ---
> src/wcmCommon.c | 11 +++++++----
> src/xf86Wacom.c | 28 ++++++++++++++++++++++++++--
> 2 files changed, 33 insertions(+), 6 deletions(-)
>
> diff --git a/src/wcmCommon.c b/src/wcmCommon.c
> index 57a1826..0e719cf 100644
> --- a/src/wcmCommon.c
> +++ b/src/wcmCommon.c
> @@ -606,6 +606,7 @@ wcmSendNonPadEvents(InputInfoPtr pInfo, const
> WacomDeviceState *ds,
> valuators[4] -= priv->oldTiltY;
> }
> valuators[5] -= priv->oldWheel;
> + valuators[6] -= priv->oldWheel2;
> }
>
> /* coordinates are ready we can send events */
> @@ -685,7 +686,7 @@ void wcmSendEvents(InputInfoPtr pInfo, const
> WacomDeviceState* ds)
> int tx = ds->tiltx;
> int ty = ds->tilty;
> WacomDevicePtr priv = (WacomDevicePtr) pInfo->private;
> - int v3, v4, v5;
> + int v3, v4, v5, v6;
> int valuators[priv->naxes];
>
> if (priv->serial && serial != priv->serial)
> @@ -735,6 +736,7 @@ void wcmSendEvents(InputInfoPtr pInfo, const
> WacomDeviceState* ds)
> }
>
> v5 = ds->abswheel;
> + v6 = ds->abswheel2;
> if (IsStylus(priv) && !IsArtPen(ds))
> {
> /* Normalize abswheel airbrush data to Art Pen rotation range.
> @@ -745,11 +747,11 @@ void wcmSendEvents(InputInfoPtr pInfo, const
> WacomDeviceState* ds)
> }
>
> DBG(6, priv, "%s prox=%d\tx=%d"
> - "\ty=%d\tz=%d\tv3=%d\tv4=%d\tv5=%d\tid=%d"
> + "\ty=%d\tz=%d\tv3=%d\tv4=%d\tv5=%d\tv6=%d\tid=%d"
> "\tserial=%u\tbutton=%s\tbuttons=%d\n",
> is_absolute(pInfo) ? "abs" : "rel",
> ds->proximity,
> - x, y, z, v3, v4, v5, id, serial,
> + x, y, z, v3, v4, v5, v6, id, serial,
> is_button ? "true" : "false", ds->buttons);
>
> priv->currentX = x;
> @@ -768,9 +770,10 @@ void wcmSendEvents(InputInfoPtr pInfo, const
> WacomDeviceState* ds)
> valuators[3] = v3;
> valuators[4] = v4;
> valuators[5] = v5;
> + valuators[6] = v6;
>
> if (type == PAD_ID)
> - wcmSendPadEvents(pInfo, ds, 3, 3, &valuators[3]); /* pad
> doesn't post x/y/z */
> + wcmSendPadEvents(pInfo, ds, 3, priv->naxes - 3, &valuators[3]);
> /* pad doesn't post x/y/z */
> else
> wcmSendNonPadEvents(pInfo, ds, 0, priv->naxes, valuators);
>
> diff --git a/src/xf86Wacom.c b/src/xf86Wacom.c
> index 16561b5..d1c149f 100644
> --- a/src/xf86Wacom.c
> +++ b/src/xf86Wacom.c
> @@ -322,6 +322,27 @@ wcmInitAxes(DeviceIntPtr pWcm)
> #endif
> );
>
> + /* seventh valuator: abswheel2 */
> + if ((TabletHasFeature(common, WCM_DUALRING)) && IsPad(priv))
> + {
> + /* Second touch ring */
> + label = None;
> + min = MIN_PAD_RING;
> + max = MAX_PAD_RING;
> + min_res = max_res = res = 1;
> + mode = Absolute;
> +
> + InitValuatorAxisStruct(pInfo->dev, 6,
> +#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
> + label,
> +#endif
> + min, max, res, min_res, max_res
> +#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 12
> + , mode
> +#endif
> + );
> + }
> +
> return TRUE;
> }
>
> @@ -349,6 +370,9 @@ static int wcmDevInit(DeviceIntPtr pWcm)
> nbaxes = priv->naxes; /* X, Y, Pressure, Tilt-X, Tilt-Y, Wheel */
> nbbuttons = priv->nbuttons; /* Use actual number of buttons, if
> possible */
>
> + if (IsPad(priv) && TabletHasFeature(priv->common, WCM_DUALRING))
> + nbaxes = priv->naxes = nbaxes + 1; /* ABS wheel 2 */
> +
> /* if more than 3 buttons, offset by the four scroll buttons,
> * otherwise, alloc 7 buttons for scroll wheel. */
> nbbuttons = (nbbuttons > 3) ? nbbuttons + 4 : 7;
> @@ -404,8 +428,8 @@ static int wcmDevInit(DeviceIntPtr pWcm)
> return FALSE;
> }
>
> - if (!nbaxes || nbaxes > 6)
> - nbaxes = priv->naxes = 6;
> + if (!nbaxes || nbaxes > 7)
> + nbaxes = priv->naxes = 7;
>
> /* axis_labels is just zeros, we set up each valuator with the
> * correct property later */
> --
> 1.7.7.3
>
>
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