R devel - Nov 2016 - getGraphicsEvent() alternative for cairo graphics device?

Thanks Frederick.

Mark, if you have any examples to share, they would also be gratefully 
received.

Paul

On 14/11/16 14:53, frederik at ofb.net wrote:
> Hi Paul,
>
> OK I tried not to make the examples too fancy.
>
> Please let me know what you think. They should probably be amended to
> support the Windows platform, but I think that task would be much
> easier for someone with access to Windows...
>
> By the way I'm Cc'ing Mark O'Connell who shared with me some
great
> getGraphicsEvent examples - well, I found them useful, perhaps if
> these are going to the R distro somewhere, then his examples should be
> included as well.
>
> Thank you,
>
> Frederick
>
> On Mon, Nov 14, 2016 at 01:51:08PM +1300, Paul Murrell wrote:
>>
>> Great.  Thanks!
>>
>> Paul
>>
>> On 14/11/16 13:41, frederik at ofb.net wrote:
>>> Hi Paul,
>>>
>>> Thank you, for some reason I didn't seem to get an email
notification
>>> for your bugzilla comment!
>>>
>>> I will try to send you something shortly.
>>>
>>> Frederick
>>>
>>> On Mon, Nov 14, 2016 at 08:55:20AM +1300, Paul Murrell wrote:
>>>> Hi
>>>>
>>>> The current status is that I am keen for people to contribute
some testing
>>>> code (see
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16951)
>>>>
>>>> There were also some getGraphicsEvent() changes/fixes suggested
by Richard
>>>> Bodewits (cc'ed), for which I am also seeking test code.
>>>>
>>>> Paul
>>>>
>>>> On 13/11/16 09:00, frederik at ofb.net wrote:
>>>>> Hi Paul,
>>>>>
>>>>> Just checking in to see what the status is.
>>>>>
>>>>> From my perspective it seems logical to split off X11 into
a separate
>>>>> package, so development can proceed at a reasonable rate,
but I
>>>>> haven't yet tried to see if that's even possible.
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Frederick
>>>>>
>>>>> On Tue, Jul 26, 2016 at 09:23:35AM +1200, Paul Murrell
wrote:
>>>>>> Hi
>>>>>>
>>>>>> Taking a look at those patches is now on my todo list,
so I may be in touch
>>>>>> with both of you at some point to request some testing.
>>>>>>
>>>>>> Paul
>>>>>>
>>>>>> On 26/07/16 07:17, frederik at ofb.net wrote:
>>>>>>> Dear Daniel Greenidge,
>>>>>>>
>>>>>>> To enable getGraphicsEvent on Cairo, you have two
patches to choose
>>>>>>> from:
>>>>>>>
>>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=14364
>>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16951
>>>>>>>
>>>>>>> The second one is by me, and the first one is from
five years ago by
>>>>>>> Hugo Mildenberger.
>>>>>>>
>>>>>>> Both patches are very simple, they move some lines
enabling
>>>>>>> getGrahpicsEvent outside of a if(!cairo) statement.
My patch also adds
>>>>>>> the ability to execute code (e.g. for animation)
while the interface
>>>>>>> is idle.
>>>>>>>
>>>>>>> Top guy Duncan Murdoch has expressed that he
doesn't have time to work
>>>>>>> on applying these patches, and I haven't had
any responses from the
>>>>>>> rest of the R Core Team. I was thinking that
perhaps your best bet is
>>>>>>> to try to create a package called e.g.
"X11-fixes" which people can
>>>>>>> use to get a better X11 library (there is also a
bug waiting to be
>>>>>>> fixed from 2001:
>>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16702).
>>>>>>>
>>>>>>> I don't know if CRAN would accept such a
package, or if you'd have to
>>>>>>> distribute it via GitHub, but R has excellent tools
to facilitate the
>>>>>>> distribution of code via packages. Whether the R
kernel exports enough
>>>>>>> functions to allow a package to take over event
handling, I'm not
>>>>>>> sure. I was intending to look more into the details
of this
>>>>>>> possibility but haven't had time.
>>>>>>>
>>>>>>> Best wishes,
>>>>>>>
>>>>>>> Frederick
>>>>>>>
>>>>>>> On Mon, Jul 25, 2016 at 02:15:59PM -0400, Daniel
Greenidge wrote:
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> I'm writing an interactive plotting
function for viewing fMRI
>>>>>>>> datasets. Currently, I get keypresses using
>>>>>>>> grDevices::getGraphicsEvent().
>>>>>>>>
>>>>>>>> Unfortunately getGraphicsEvent() only supports
the X11(type="Xlib")
>>>>>>>> graphics device on Unix systems. The Xlib
device doesn't support
>>>>>>>> buffering (i.e. dev.hold() and dev.flush()), so
redrawing the plots
>>>>>>>> causes lots of flickering.
>>>>>>>>
>>>>>>>> Is there a way to get keypresses while using
the cairo graphics
>>>>>>>> device? Alternatively, is there a way to
prevent flickering with the
>>>>>>>> Xlib graphics device?
>>>>>>>>
>>>>>>>> Best,
>>>>>>>> Daniel Greenidge
>>>>>>>>
>>>>>>>> ______________________________________________
>>>>>>>> R-devel at r-project.org mailing list
>>>>>>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>>>>>>>
>>>>>>>
>>>>>>> ______________________________________________
>>>>>>> R-devel at r-project.org mailing list
>>>>>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>>>>>>
>>>>>>
>>>>>> --
>>>>>> Dr Paul Murrell
>>>>>> Department of Statistics
>>>>>> The University of Auckland
>>>>>> Private Bag 92019
>>>>>> Auckland
>>>>>> New Zealand
>>>>>> 64 9 3737599 x85392
>>>>>> paul at stat.auckland.ac.nz
>>>>>> http://www.stat.auckland.ac.nz/~paul/
>>>>>>
>>>>
>>>> --
>>>> Dr Paul Murrell
>>>> Department of Statistics
>>>> The University of Auckland
>>>> Private Bag 92019
>>>> Auckland
>>>> New Zealand
>>>> 64 9 3737599 x85392
>>>> paul at stat.auckland.ac.nz
>>>> http://www.stat.auckland.ac.nz/~paul/
>>>>
>>
>> --
>> Dr Paul Murrell
>> Department of Statistics
>> The University of Auckland
>> Private Bag 92019
>> Auckland
>> New Zealand
>> 64 9 3737599 x85392
>> paul at stat.auckland.ac.nz
>> http://www.stat.auckland.ac.nz/~paul/
>>
-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
paul at stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/

Hi Paul,

No problem. Is it best if I post examples to the bug report 16951?

Kind regards,
Mark

--

Mark O'Connell, PhD student
Department of Mathematics & Statistics
231 Top Logic
National University of Ireland, Maynooth

----- Paul Murrell <paul at stat.auckland.ac.nz>
wrote:
> 
> Thanks Frederick.
> 
> Mark, if you have any examples to share, they would also be gratefully 
> received.
> 
> Paul
> 
> On 14/11/16 14:53, frederik at ofb.net wrote:
> > Hi Paul,
> >
> > OK I tried not to make the examples too fancy.
> >
> > Please let me know what you think. They should probably be amended to
> > support the Windows platform, but I think that task would be much
> > easier for someone with access to Windows...
> >
> > By the way I'm Cc'ing Mark O'Connell who shared with me
some great
> > getGraphicsEvent examples - well, I found them useful, perhaps if
> > these are going to the R distro somewhere, then his examples should be
> > included as well.
> >
> > Thank you,
> >
> > Frederick
> >
> > On Mon, Nov 14, 2016 at 01:51:08PM +1300, Paul Murrell wrote:
> >>
> >> Great.  Thanks!
> >>
> >> Paul
> >>
> >> On 14/11/16 13:41, frederik at ofb.net wrote:
> >>> Hi Paul,
> >>>
> >>> Thank you, for some reason I didn't seem to get an email
notification
> >>> for your bugzilla comment!
> >>>
> >>> I will try to send you something shortly.
> >>>
> >>> Frederick
> >>>
> >>> On Mon, Nov 14, 2016 at 08:55:20AM +1300, Paul Murrell wrote:
> >>>> Hi
> >>>>
> >>>> The current status is that I am keen for people to
contribute some testing
> >>>> code (see
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16951)
> >>>>
> >>>> There were also some getGraphicsEvent() changes/fixes
suggested by Richard
> >>>> Bodewits (cc'ed), for which I am also seeking test
code.
> >>>>
> >>>> Paul
> >>>>
> >>>> On 13/11/16 09:00, frederik at ofb.net wrote:
> >>>>> Hi Paul,
> >>>>>
> >>>>> Just checking in to see what the status is.
> >>>>>
> >>>>> From my perspective it seems logical to split off X11
into a separate
> >>>>> package, so development can proceed at a reasonable
rate, but I
> >>>>> haven't yet tried to see if that's even
possible.
> >>>>>
> >>>>> Thanks,
> >>>>>
> >>>>> Frederick
> >>>>>
> >>>>> On Tue, Jul 26, 2016 at 09:23:35AM +1200, Paul Murrell
wrote:
> >>>>>> Hi
> >>>>>>
> >>>>>> Taking a look at those patches is now on my todo
list, so I may be in touch
> >>>>>> with both of you at some point to request some
testing.
> >>>>>>
> >>>>>> Paul
> >>>>>>
> >>>>>> On 26/07/16 07:17, frederik at ofb.net wrote:
> >>>>>>> Dear Daniel Greenidge,
> >>>>>>>
> >>>>>>> To enable getGraphicsEvent on Cairo, you have
two patches to choose
> >>>>>>> from:
> >>>>>>>
> >>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=14364
> >>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16951
> >>>>>>>
> >>>>>>> The second one is by me, and the first one is
from five years ago by
> >>>>>>> Hugo Mildenberger.
> >>>>>>>
> >>>>>>> Both patches are very simple, they move some
lines enabling
> >>>>>>> getGrahpicsEvent outside of a if(!cairo)
statement. My patch also adds
> >>>>>>> the ability to execute code (e.g. for
animation) while the interface
> >>>>>>> is idle.
> >>>>>>>
> >>>>>>> Top guy Duncan Murdoch has expressed that he
doesn't have time to work
> >>>>>>> on applying these patches, and I haven't
had any responses from the
> >>>>>>> rest of the R Core Team. I was thinking that
perhaps your best bet is
> >>>>>>> to try to create a package called e.g.
"X11-fixes" which people can
> >>>>>>> use to get a better X11 library (there is also
a bug waiting to be
> >>>>>>> fixed from 2001:
> >>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16702).
> >>>>>>>
> >>>>>>> I don't know if CRAN would accept such a
package, or if you'd have to
> >>>>>>> distribute it via GitHub, but R has excellent
tools to facilitate the
> >>>>>>> distribution of code via packages. Whether the
R kernel exports enough
> >>>>>>> functions to allow a package to take over
event handling, I'm not
> >>>>>>> sure. I was intending to look more into the
details of this
> >>>>>>> possibility but haven't had time.
> >>>>>>>
> >>>>>>> Best wishes,
> >>>>>>>
> >>>>>>> Frederick
> >>>>>>>
> >>>>>>> On Mon, Jul 25, 2016 at 02:15:59PM -0400,
Daniel Greenidge wrote:
> >>>>>>>> Hi all,
> >>>>>>>>
> >>>>>>>> I'm writing an interactive plotting
function for viewing fMRI
> >>>>>>>> datasets. Currently, I get keypresses
using
> >>>>>>>> grDevices::getGraphicsEvent().
> >>>>>>>>
> >>>>>>>> Unfortunately getGraphicsEvent() only
supports the X11(type="Xlib")
> >>>>>>>> graphics device on Unix systems. The Xlib
device doesn't support
> >>>>>>>> buffering (i.e. dev.hold() and
dev.flush()), so redrawing the plots
> >>>>>>>> causes lots of flickering.
> >>>>>>>>
> >>>>>>>> Is there a way to get keypresses while
using the cairo graphics
> >>>>>>>> device? Alternatively, is there a way to
prevent flickering with the
> >>>>>>>> Xlib graphics device?
> >>>>>>>>
> >>>>>>>> Best,
> >>>>>>>> Daniel Greenidge
> >>>>>>>>
> >>>>>>>>
______________________________________________
> >>>>>>>> R-devel at r-project.org mailing list
> >>>>>>>>
https://stat.ethz.ch/mailman/listinfo/r-devel
> >>>>>>>>
> >>>>>>>
> >>>>>>> ______________________________________________
> >>>>>>> R-devel at r-project.org mailing list
> >>>>>>> https://stat.ethz.ch/mailman/listinfo/r-devel
> >>>>>>>
> >>>>>>
> >>>>>> --
> >>>>>> Dr Paul Murrell
> >>>>>> Department of Statistics
> >>>>>> The University of Auckland
> >>>>>> Private Bag 92019
> >>>>>> Auckland
> >>>>>> New Zealand
> >>>>>> 64 9 3737599 x85392
> >>>>>> paul at stat.auckland.ac.nz
> >>>>>> http://www.stat.auckland.ac.nz/~paul/
> >>>>>>
> >>>>
> >>>> --
> >>>> Dr Paul Murrell
> >>>> Department of Statistics
> >>>> The University of Auckland
> >>>> Private Bag 92019
> >>>> Auckland
> >>>> New Zealand
> >>>> 64 9 3737599 x85392
> >>>> paul at stat.auckland.ac.nz
> >>>> http://www.stat.auckland.ac.nz/~paul/
> >>>>
> >>
> >> --
> >> Dr Paul Murrell
> >> Department of Statistics
> >> The University of Auckland
> >> Private Bag 92019
> >> Auckland
> >> New Zealand
> >> 64 9 3737599 x85392
> >> paul at stat.auckland.ac.nz
> >> http://www.stat.auckland.ac.nz/~paul/
> >>
> 
> -- 
> Dr Paul Murrell
> Department of Statistics
> The University of Auckland
> Private Bag 92019
> Auckland
> New Zealand
> 64 9 3737599 x85392
> paul at stat.auckland.ac.nz
> http://www.stat.auckland.ac.nz/~paul/

Hi

That sounds good - somewhere public like that would be best.

Thanks!

Paul

On 16/11/16 00:13, Mark O'Connell wrote:
> Hi Paul,
>
> No problem. Is it best if I post examples to the bug report 16951?
>
> Kind regards,
> Mark
>
> --
>
> Mark O'Connell, PhD student
> Department of Mathematics & Statistics
> 231 Top Logic
> National University of Ireland, Maynooth
>
> ----- Paul Murrell <paul at stat.auckland.ac.nz> wrote:
>>
>> Thanks Frederick.
>>
>> Mark, if you have any examples to share, they would also be gratefully
>> received.
>>
>> Paul
>>
>> On 14/11/16 14:53, frederik at ofb.net wrote:
>>> Hi Paul,
>>>
>>> OK I tried not to make the examples too fancy.
>>>
>>> Please let me know what you think. They should probably be amended
to
>>> support the Windows platform, but I think that task would be much
>>> easier for someone with access to Windows...
>>>
>>> By the way I'm Cc'ing Mark O'Connell who shared with me
some great
>>> getGraphicsEvent examples - well, I found them useful, perhaps if
>>> these are going to the R distro somewhere, then his examples should
be
>>> included as well.
>>>
>>> Thank you,
>>>
>>> Frederick
>>>
>>> On Mon, Nov 14, 2016 at 01:51:08PM +1300, Paul Murrell wrote:
>>>>
>>>> Great.  Thanks!
>>>>
>>>> Paul
>>>>
>>>> On 14/11/16 13:41, frederik at ofb.net wrote:
>>>>> Hi Paul,
>>>>>
>>>>> Thank you, for some reason I didn't seem to get an
email notification
>>>>> for your bugzilla comment!
>>>>>
>>>>> I will try to send you something shortly.
>>>>>
>>>>> Frederick
>>>>>
>>>>> On Mon, Nov 14, 2016 at 08:55:20AM +1300, Paul Murrell
wrote:
>>>>>> Hi
>>>>>>
>>>>>> The current status is that I am keen for people to
contribute some testing
>>>>>> code (see
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16951)
>>>>>>
>>>>>> There were also some getGraphicsEvent() changes/fixes
suggested by Richard
>>>>>> Bodewits (cc'ed), for which I am also seeking test
code.
>>>>>>
>>>>>> Paul
>>>>>>
>>>>>> On 13/11/16 09:00, frederik at ofb.net wrote:
>>>>>>> Hi Paul,
>>>>>>>
>>>>>>> Just checking in to see what the status is.
>>>>>>>
>>>>>>> From my perspective it seems logical to split off
X11 into a separate
>>>>>>> package, so development can proceed at a reasonable
rate, but I
>>>>>>> haven't yet tried to see if that's even
possible.
>>>>>>>
>>>>>>> Thanks,
>>>>>>>
>>>>>>> Frederick
>>>>>>>
>>>>>>> On Tue, Jul 26, 2016 at 09:23:35AM +1200, Paul
Murrell wrote:
>>>>>>>> Hi
>>>>>>>>
>>>>>>>> Taking a look at those patches is now on my
todo list, so I may be in touch
>>>>>>>> with both of you at some point to request some
testing.
>>>>>>>>
>>>>>>>> Paul
>>>>>>>>
>>>>>>>> On 26/07/16 07:17, frederik at ofb.net wrote:
>>>>>>>>> Dear Daniel Greenidge,
>>>>>>>>>
>>>>>>>>> To enable getGraphicsEvent on Cairo, you
have two patches to choose
>>>>>>>>> from:
>>>>>>>>>
>>>>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=14364
>>>>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16951
>>>>>>>>>
>>>>>>>>> The second one is by me, and the first one
is from five years ago by
>>>>>>>>> Hugo Mildenberger.
>>>>>>>>>
>>>>>>>>> Both patches are very simple, they move
some lines enabling
>>>>>>>>> getGrahpicsEvent outside of a if(!cairo)
statement. My patch also adds
>>>>>>>>> the ability to execute code (e.g. for
animation) while the interface
>>>>>>>>> is idle.
>>>>>>>>>
>>>>>>>>> Top guy Duncan Murdoch has expressed that
he doesn't have time to work
>>>>>>>>> on applying these patches, and I
haven't had any responses from the
>>>>>>>>> rest of the R Core Team. I was thinking
that perhaps your best bet is
>>>>>>>>> to try to create a package called e.g.
"X11-fixes" which people can
>>>>>>>>> use to get a better X11 library (there is
also a bug waiting to be
>>>>>>>>> fixed from 2001:
>>>>>>>>>
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16702).
>>>>>>>>>
>>>>>>>>> I don't know if CRAN would accept such
a package, or if you'd have to
>>>>>>>>> distribute it via GitHub, but R has
excellent tools to facilitate the
>>>>>>>>> distribution of code via packages. Whether
the R kernel exports enough
>>>>>>>>> functions to allow a package to take over
event handling, I'm not
>>>>>>>>> sure. I was intending to look more into the
details of this
>>>>>>>>> possibility but haven't had time.
>>>>>>>>>
>>>>>>>>> Best wishes,
>>>>>>>>>
>>>>>>>>> Frederick
>>>>>>>>>
>>>>>>>>> On Mon, Jul 25, 2016 at 02:15:59PM -0400,
Daniel Greenidge wrote:
>>>>>>>>>> Hi all,
>>>>>>>>>>
>>>>>>>>>> I'm writing an interactive plotting
function for viewing fMRI
>>>>>>>>>> datasets. Currently, I get keypresses
using
>>>>>>>>>> grDevices::getGraphicsEvent().
>>>>>>>>>>
>>>>>>>>>> Unfortunately getGraphicsEvent() only
supports the X11(type="Xlib")
>>>>>>>>>> graphics device on Unix systems. The
Xlib device doesn't support
>>>>>>>>>> buffering (i.e. dev.hold() and
dev.flush()), so redrawing the plots
>>>>>>>>>> causes lots of flickering.
>>>>>>>>>>
>>>>>>>>>> Is there a way to get keypresses while
using the cairo graphics
>>>>>>>>>> device? Alternatively, is there a way
to prevent flickering with the
>>>>>>>>>> Xlib graphics device?
>>>>>>>>>>
>>>>>>>>>> Best,
>>>>>>>>>> Daniel Greenidge
>>>>>>>>>>
>>>>>>>>>>
______________________________________________
>>>>>>>>>> R-devel at r-project.org mailing list
>>>>>>>>>>
https://stat.ethz.ch/mailman/listinfo/r-devel
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
______________________________________________
>>>>>>>>> R-devel at r-project.org mailing list
>>>>>>>>>
https://stat.ethz.ch/mailman/listinfo/r-devel
>>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Dr Paul Murrell
>>>>>>>> Department of Statistics
>>>>>>>> The University of Auckland
>>>>>>>> Private Bag 92019
>>>>>>>> Auckland
>>>>>>>> New Zealand
>>>>>>>> 64 9 3737599 x85392
>>>>>>>> paul at stat.auckland.ac.nz
>>>>>>>> http://www.stat.auckland.ac.nz/~paul/
>>>>>>>>
>>>>>>
>>>>>> --
>>>>>> Dr Paul Murrell
>>>>>> Department of Statistics
>>>>>> The University of Auckland
>>>>>> Private Bag 92019
>>>>>> Auckland
>>>>>> New Zealand
>>>>>> 64 9 3737599 x85392
>>>>>> paul at stat.auckland.ac.nz
>>>>>> http://www.stat.auckland.ac.nz/~paul/
>>>>>>
>>>>
>>>> --
>>>> Dr Paul Murrell
>>>> Department of Statistics
>>>> The University of Auckland
>>>> Private Bag 92019
>>>> Auckland
>>>> New Zealand
>>>> 64 9 3737599 x85392
>>>> paul at stat.auckland.ac.nz
>>>> http://www.stat.auckland.ac.nz/~paul/
>>>>
>>
>> --
>> Dr Paul Murrell
>> Department of Statistics
>> The University of Auckland
>> Private Bag 92019
>> Auckland
>> New Zealand
>> 64 9 3737599 x85392
>> paul at stat.auckland.ac.nz
>> http://www.stat.auckland.ac.nz/~paul/
>
-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
paul at stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/