Re: [Chicken-users] strange IUP canvas behavior - mouse clicks returning bad value

Fri, 16 Oct 2015 09:15:04 -0700

It looks to me like a bad type cast. 

-Dan

Sent from my BlackBerry 10 smartphone.
From: Matt Gushee
Sent: Friday, October 16, 2015 9:12 AM
To: chicken-users
Subject: Re: [Chicken-users] strange IUP canvas behavior - mouse clicks returning bad value

Hi Matt--

My brain is not sure, but my finger is spontaneously pointing at the window manager ;-)

On Fri, Oct 16, 2015 at 3:40 AM, Matt Welland <[email protected]> wrote:
obj: #<tagged pointer Ihandle 17aa370>, pressed 0, status   1      
canvas-origin: 0 0 click at -1987635704 48

The -1987635704 is the x value returned by this callback:

#:button-cb (lambda (obj btn pressed x y status)
...

this is failing on Ubuntu 15.04 but working ok on sles11.

so far as I can tell this is not due to any changes in the code - running an older version exhibits the save behaviour.

Any suggestions on what to look at?

Thanks,

Matt
-=-

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