[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Chase Douglas]

Hi Jose,

It looks like this particular bug has been fixed; please open new bugs
for any other issues.

Are you running Unity and attempting to perform a four touch tap in a
subwindow and receive gestures? If so, it won't work because Unity will
be grabbing the touches for itself, for the dash show/hide gesture. If
you are not running Unity, then there may be another issue. Please open
a bug for this.

As for the warning, I see it too, especially on taps. I have not been
able to track down the root cause yet, however.

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  Tap subscription in a window hides a drag subscription in the root
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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[José Expósito]

Hi!

For me (with the current uTouch version in Precise) is impossible to get
the 4 fingers tap in the window passed as command line argument. I get
this some times

Warning: failed to get previous touch value

In adition the problems with the gesture attributes continues :S

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  Tap subscription in a window hides a drag subscription in the root
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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Stephen M. Webb]

** Changed in: utouch-geis (Ubuntu)
   Status: Fix Committed => Fix Released

** Changed in: utouch-geis
   Status: Fix Committed => Fix Released

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  Tap subscription in a window hides a drag subscription in the root
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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Jussi Pakkanen]

As this now works, marking fixed. Please reopen if it still happens.

** Changed in: utouch-geis
   Status: Confirmed => Fix Committed

** Changed in: utouch-geis (Ubuntu)
   Status: Confirmed => Fix Committed

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Jussi Pakkanen]

With the newest experimental code you get drags consistently. The
gesture name is still N/A, though.

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  Tap subscription in a window hides a drag subscription in the root
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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Jussi Pakkanen]

I have attached a better version of the test application.

What happens is this:

Tapping on the touchpad does not emit tap events. Most of the time it
does nothing, but sometimes it gives the error message "Failed to copy
non-existent touch".

Dragging causes nothing to happen most of the time. Sometimes you get
drag events, but their gesture name is N/A.

This happens in Gnome classic as well as Unity 2D and 3D.

A possible race condition when touches come and go?

** Attachment added: "bugsrc.zip"
   
https://bugs.launchpad.net/utouch-geis/+bug/853958/+attachment/2916094/+files/bugsrc.zip

** Changed in: utouch-geis
   Status: Incomplete => Confirmed

** Changed in: utouch-geis (Ubuntu)
   Status: Incomplete => Confirmed

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Jussi Pakkanen]

The last argument to geis_filter_add_term on line 114 should be NULL.
Otherwise it just segfaults.

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[José Expósito]

Hi Jussi. I'm testing over the Beta of Precise. About my configuration:


$ xinput | grep Trackpad
⎜   ↳ Apple Wireless Trackpad   id=10   [slave  pointer  (2)]

# 3 fingers gestures

$ xinput list-props 10 | grep "Synaptics Tap Action"
Synaptics Tap Action (479): 2, 3, 0, 0, 1, 2, 0

$ synclient | grep TapButton3
TapButton3  = 0

$ xinput list-props 10 | grep "Synaptics Click Action"
Synaptics Click Action (568):   1, 3, 0

$ synclient | grep ClickFinger3
ClickFinger3= 0

# 2 fingers gestures

$ xinput list-props 10 | grep "Synaptics Two-Finger Scrolling"
Synaptics Two-Finger Scrolling (481):   0, 0

$ synclient | grep VertTwoFingerScroll
VertTwoFingerScroll = 0

$ synclient | grep HorizTwoFingerScroll
HorizTwoFingerScroll= 0

$ xinput list-props 10 | grep "Synaptics Tap Action"
Synaptics Tap Action (479): 2, 0, 0, 0, 0, 0, 0

$ synclient | grep TapButton2
TapButton2  = 0


When I try to execute the attached code I have:

+touch 0
  "touch id":X Error of failed request:  BadValue (integer parameter out of 
range for operation)
  Major opcode of failed request:  141 (XInputExtension)
  Minor opcode of failed request:  53 ()
  Value in failed request:  0x17
  Serial number of failed request:  54
  Current serial number in output stream:  58

And it crahses all the time. Anyway, in Touchegg I'm able to get 3, 4
and 5 gestures (not 2), but some fields like the gesture type are "n/a"
making impossible recognize it...

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Jussi Pakkanen]

Have you followed these instructions to enable two finger gestures:

https://wiki.ubuntu.com/Multitouch/TouchpadSupport

Also, if you have the daily uTouch PPA installed, remove its ginn
package, because it will break stuff randomly.

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[José Expósito]

You are right Stephen, now it works, anyway I think that the problem is
not solved (really I think that I have problems with my Magic Trackpad
configuration). I only can get gestures with 4 and 5 finger, in KDE and
Unity, I get all the time

"gesture name": n/a

And after make some gestures the bug.c program crashes...

Im testing it over Precise. Thanks!

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Stephen M. Webb]

The bug.c program should either add GEIS_INIT_SYNCHRONOUS_START to
geis_new() or wait for the GEIS_EVENT_INIT_COMPLETE event, otherwise
initialization is not guaranteed to be complete before you start
creating subscriptions.

There also a missing NULL terminator in a geis_filter_add_term() call.

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[José Expósito]

The segfault (in the attached source code example) is in the line 150:

status = geis_dispatch_events(geis);

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[José Expósito]

Hi Chase,

I'm trying to compile the attached source code
example and, in first place I
was need to add "-fpermissive" option to compile it (?). Anyway, I get
an segfault ("core" generated)

The same issue with Touchégg:
https://code.google.com/p/touchegg/issues/detail?id=134
I'm not able to run the Qt event loop

In adittion I get similar segfault in Ginn.

For this reason I can not test this bug. Any idea?

Thank you very much and sincerely congratulation for your job with the
new uTouch stack, the control with clickpads is awesome!

** Bug watch added: code.google.com/p/touchegg/issues #134
   http://code.google.com/p/touchegg/issues/detail?id=134

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[Bug 853958] Re: Tap subscription in a window hides a drag subscription in the root window

[Chase Douglas]

Hi José,

I think our new utouch stack should resolve this issue. Please try it
out to see if it's fixed.

Thanks!

** Changed in: utouch-geis
   Status: Confirmed => Incomplete

** Also affects: utouch-geis (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: utouch-geis (Ubuntu)
   Status: New => Incomplete

** Changed in: utouch-geis
   Importance: Undecided => Medium

** Changed in: utouch-geis (Ubuntu)
   Importance: Undecided => Medium

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