What device are you working with that you want this change? I ask
because I suspect its easier to add DOUBLETAP to that driver instead
of supporting a multi-touch device without DOUBLETAP inside
xf86-input-wacom.
if you make use of input_mt_report_pointer_emulation() in 2.6.37 you
get this support for free as long as you correctly
__set_bit(BTN_TOOL_DOUBLETAP) up front for 2FG devices.
And the plus side is that this device then has 90% change of working
out of the box for both touch and pen's with xf86-input-evdev; at
least enough to pull up a terminal and get config files set up
correctly.
Chris
On Tue, Jan 18, 2011 at 3:19 PM, Ping Cheng <pingli...@gmail.com> wrote:
> Please ignore this patch. It is taking an EV_ABS (MT_TOOL_FINGER) as
> an EV_KEY, which is wrong. I'll have to find another way to cover the
> case.
>
> Chris, you worked on this block of code before. Do you have any
> suggestions? Maybe we have to retrieve EV_ABS.
>
> Ping
>
> On Mon, Jan 17, 2011 at 10:11 PM, Ping Cheng <pingli...@gmail.com> wrote:
>> From: Ping Cheng <pi...@wacom.com>
>>
>> Only 2FGT devices in relative cursor movement, such as Bamboo, send
>> BTN_TOOL_DOUBLETAP events. Use MT_TOOL_FINGER to cover both Bamboo
>> and 2FGT touch screen devices.
>>
>> Signed-off-by: Ping Cheng <pingli...@gmail.copm>
>> ---
>> src/wcmValidateDevice.c | 6 +++---
>> 1 files changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/src/wcmValidateDevice.c b/src/wcmValidateDevice.c
>> index b4154c5..5b1a95c 100644
>> --- a/src/wcmValidateDevice.c
>> +++ b/src/wcmValidateDevice.c
>> @@ -292,9 +292,9 @@ int wcmDeviceTypeKeys(InputInfoPtr pInfo)
>>
>> if (common->wcmProtocolLevel == WCM_PROTOCOL_GENERIC)
>> {
>> - /* DOUBLETAP means 2 finger touch */
>> - /* FINGER without DOUBLETAP means 1 finger touch */
>> - if (ISBITSET(common->wcmKeys, BTN_TOOL_DOUBLETAP))
>> + /* MT_TOOL_FINGER means at least 2 finger touch */
>> + /* FINGER without MT_TOOL_FINGER means 1 finger touch */
>> + if (ISBITSET(common->wcmKeys, MT_TOOL_FINGER))
>> priv->common->tablet_type |= WCM_2FGT;
>> else if (ISBITSET(common->wcmKeys, BTN_TOOL_FINGER))
>> priv->common->tablet_type |= WCM_1FGT;
>> --
>> 1.7.3.4
>>
>>
>
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