[9fans] a very silly program

[9fans] a very silly program

[ron minnich]

http://bitbucket.org/rminnich/plan9tools/src/tip/catmouse.c

I sort of wanted to learn what it would take to interpose a program
between /dev/mouse and something else. Now I've learned and this
clunker is the result. It's sort of amusing.

to test, get thee to a window and:
8.catmouse
rio

obviously the map() function could use some improvement :-)

ron

Re: [9fans] a very silly program

[Francisco J Ballesteros]

mousefs is another example.
I think I placed it in sources.
It's used here to redirect mice to other Plan 9s.


On Fri, Jun 4, 2010 at 5:34 PM, ron minnich <rminnich@gmail.com> wrote:
> http://bitbucket.org/rminnich/plan9tools/src/tip/catmouse.c
>
> I sort of wanted to learn what it would take to interpose a program
> between /dev/mouse and something else. Now I've learned and this
> clunker is the result. It's sort of amusing.
>
> to test, get thee to a window and:
> 8.catmouse
> rio
>
> obviously the map() function could use some improvement :-)
>
> ron
>
>

Re: [9fans] a very silly program

[ron minnich]

On Fri, Jun 4, 2010 at 8:55 AM, Francisco J Ballesteros <nemo@lsub.org> wrote:
> mousefs is another example.
> I think I placed it in sources.
> It's used here to redirect mice to other Plan 9s.

That's how it always works, I write something and found out someone
else wrote it :-)

but catmouse is a bit psycho, you'll see if you use it.

ron

Re: [9fans] a very silly program

[David Leimbach]

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On Fri, Jun 4, 2010 at 9:42 AM, ron minnich <rminnich@gmail.com> wrote:

> On Fri, Jun 4, 2010 at 8:55 AM, Francisco J Ballesteros <nemo@lsub.org>
> wrote:
> > mousefs is another example.
> > I think I placed it in sources.
> > It's used here to redirect mice to other Plan 9s.
>
> That's how it always works, I write something and found out someone
> else wrote it :-)
>
> but catmouse is a bit psycho, you'll see if you use it.
>
> ron
>
> I'm not sure what it's supposed to do... I tried it with 9vx and it just
made my mouse unresponsive :-)  I guess I could read the rest of the
source...

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Re: [9fans] a very silly program

[ron minnich]

well maybe it's broke. What it's supposed to do is make it impossible
to put your mouse in the middle of the window ... works in 9vx

ron

Re: [9fans] a very silly program

[David Leimbach]

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Huh... I'll play around with it and see what's up :-)

On Fri, Jun 4, 2010 at 11:13 AM, ron minnich <rminnich@gmail.com> wrote:

> well maybe it's broke. What it's supposed to do is make it impossible
> to put your mouse in the middle of the window ... works in 9vx
>
> ron
>
>

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Re: [9fans] a very silly program

[EBo]

On Fri, 4 Jun 2010 10:04:34 -0700, David Leimbach <leimy2k@gmail.com>
wrote:
> On Fri, Jun 4, 2010 at 9:42 AM, ron minnich <rminnich@gmail.com> wrote:
>
>> On Fri, Jun 4, 2010 at 8:55 AM, Francisco J Ballesteros <nemo@lsub.org>
>> wrote:
>> > mousefs is another example.
>> > I think I placed it in sources.
>> > It's used here to redirect mice to other Plan 9s.
>>
>> That's how it always works, I write something and found out someone
>> else wrote it :-)
>>
>> but catmouse is a bit psycho, you'll see if you use it.
>>
>> ron
>>
>> I'm not sure what it's supposed to do... I tried it with 9vx and it
just
> made my mouse unresponsive :-)  I guess I could read the rest of the
> source...

this one got me too at first.  Start 9vx, etc., open a window (with rio
running), run catmouse, and in the same window run rio again.

When I first tried this I started up 9vx without rio, ran catmouse at a
windowless command prompt, and then ran rio and it did not work correctly.
Maybe this is not what Ron intended, but this is what worked for me...

  EBo --

Re: [9fans] a very silly program

[ron minnich]

On Fri, Jun 4, 2010 at 1:22 PM, EBo <ebo@sandien.com> wrote:

> When I first tried this I started up 9vx without rio, ran catmouse at a
> windowless command prompt, and then ran rio and it did not work correctly.
> Maybe this is not what Ron intended, but this is what worked for me...

bonus points for why that did not work ;-)

It's a silly program, mainly I mention it for anyone else who might
want to do something real ...

ron

Re: [9fans] a very silly program

[EBo]

>> When I first tried this I started up 9vx without rio, ran catmouse at a
>> windowless command prompt, and then ran rio and it did not work
>> correctly.
>> Maybe this is not what Ron intended, but this is what worked for me...
>
> bonus points for why that did not work ;-)

Well, without reading the code I would guess that you do not have a device
(or service) connected to the mouse until a window manager is started.  It
is also even  likely a problem with what is set in the namespaces.


  EBo --

Re: [9fans] a very silly program

[ron minnich]

On Fri, Jun 4, 2010 at 1:39 PM, EBo <ebo@sandien.com> wrote:
>
>>> When I first tried this I started up 9vx without rio, ran catmouse at a
>>> windowless command prompt, and then ran rio and it did not work
>>> correctly.
>>> Maybe this is not what Ron intended, but this is what worked for me...
>>
>> bonus points for why that did not work ;-)
>
> Well, without reading the code I would guess that you do not have a device
> (or service) connected to the mouse until a window manager is started.  It
> is also even  likely a problem with what is set in the namespaces.

well, can't I get any of you folks to figure it out using ratrace :-)

ron

Re: [9fans] a very silly program

[EBo]

>> Well, without reading the code I would guess that you do not have a
>> device
>> (or service) connected to the mouse until a window manager is started.
>>  It
>> is also even  likely a problem with what is set in the namespaces.
> 
> well, can't I get any of you folks to figure it out using ratrace :-)

you can when I'm not focused on other things (unless figuring catmouse out
is important for my GSoC project, on the other hand learning ratrace would
be useful)...

  EBo --

Re: [9fans] a very silly program

[Johnny]

Hello,
just wanted to know if i got my logic right ;)


On Fri, 4 Jun 2010 13:31:57 -0700
ron minnich <rminnich@gmail.com> wrote:

> On Fri, Jun 4, 2010 at 1:22 PM, EBo <ebo@sandien.com> wrote:
>
> > When I first tried this I started up 9vx without rio, ran catmouse
> > at a windowless command prompt, and then ran rio and it did not
> > work correctly. Maybe this is not what Ron intended, but this is
> > what worked for me...
>
> bonus points for why that did not work ;-)

Because rio multiplexes the mouse, so if you open the mouse before rio
starts it won't be multiplexed, so rio won't be able to access it?

>
> It's a silly program, mainly I mention it for anyone else who might
> want to do something real ...
>
> ron
>

Thanks,

John

Re: [9fans] a very silly program

[Skip Tavakkolian]

there's also /n/sources/contrib/fst/tippi.c

i am adding a feature to tippi to create a thumbnail of /dev/screen
and mark the mouse location in the thumbnail.  i had planned to use
resample to create it but it is slow and doesn't seem to correct for
color (color is intensified).  there might be a better way too.

-Skip

> http://bitbucket.org/rminnich/plan9tools/src/tip/catmouse.c
>
> I sort of wanted to learn what it would take to interpose a program
> between /dev/mouse and something else. Now I've learned and this
> clunker is the result. It's sort of amusing.
>
> to test, get thee to a window and:
> 8.catmouse
> rio
>
> obviously the map() function could use some improvement :-)
>
> ron

Re: [9fans] a very silly program

[erik quanstrom]

> i am adding a feature to tippi to create a thumbnail of /dev/screen
> and mark the mouse location in the thumbnail.  i had planned to use
> resample to create it but it is slow and doesn't seem to correct for
> color (color is intensified).  there might be a better way too.

i've been using richard miller's resize(1) when speed
is more important than accuracy.  i modified it to
make the arguments compatable with resample.

- erik

Re: [9fans] a very silly program

[Federico G. Benavento]

what about just using pipefile(1) and a filter
like accupoint(1) does

On Fri, Jun 4, 2010 at 12:34 PM, ron minnich <rminnich@gmail.com> wrote:
> http://bitbucket.org/rminnich/plan9tools/src/tip/catmouse.c
>
> I sort of wanted to learn what it would take to interpose a program
> between /dev/mouse and something else. Now I've learned and this
> clunker is the result. It's sort of amusing.
>
> to test, get thee to a window and:
> 8.catmouse
> rio
>
> obviously the map() function could use some improvement :-)
>
> ron
>
>



--
Federico G. Benavento

Re: [9fans] a very silly program

[ron minnich]

On Fri, Jun 4, 2010 at 3:06 PM, Federico G. Benavento
<benavento@gmail.com> wrote:
> what about just using pipefile(1) and a filter
> like accupoint(1) does

it was partly just to get my brain to get the hang of what it takes to
interpose a trivial file system between /dev/mouse and rio.

ron