[Newbies] User Interrupt window

[obrienj]

Now Squeak complains that installInterruptWatcher is an unknown selector.

> -------- Original Message --------
> Subject: Re: [Newbies] User Interrupt window
> Local Time: December 9, 2017 12:48 PM
> UTC Time: December 9, 2017 8:48 PM
> From: ron at usmedrec.com
> To: obrienj <obrienj at protonmail.com>
> A friendly place to get answers to even the most basic questions about Squeak. <beginners at lists.squeakfoundation.org>
>
> I see.  You are right.  It's an instance var but there is no accessor for it.
>
> You will need to add an accessor for it to override the emergency evaluator.
>
> EventSensor >> interruptSemaphore
>     "return the interruptSemaphore. Used for overriding the emergency evaluator on MyClass"
>     ^interruptSemaphore
>
> Then it should work.
>
> All the best,
>
> Ron Teitelbaum
>
> On Sat, Dec 9, 2017 at 3:38 PM, obrienj <obrienj at protonmail.com> wrote:
>
>> Tried that but Sensor doesn't know interruptSemaphore
>>
>>> -------- Original Message --------
>>> Subject: Re: [Newbies] User Interrupt windowLocal Time: December 9, 2017 12:35 PM
>>> UTC Time: December 9, 2017 8:35 PM
>>> From: ron at usmedrec.com
>>> To: obrienj <obrienj at protonmail.com>
>>> A friendly place to get answers to even the most basic questions about Squeak. <beginners at lists.squeakfoundation.org>
>>>
>>> You can use Sensor instead.
>>>
>>> All the best,
>>>
>>> Ron Teitelbaum
>>>
>>> On Sat, Dec 9, 2017 at 2:56 PM, obrienj <obrienj at protonmail.com> wrote:
>>>
>>>> Squeak complains that it doesn't know InputSensor.
>>>>
>>>>> -------- Original Message --------
>>>>> Subject: Re: [Newbies] User Interrupt window
>>>>> Local Time: December 9, 2017 10:06 AM
>>>>> UTC Time: December 9, 2017 6:06 PM
>>>>> From: ron at usmedrec.com
>>>>> To: obrienj <obrienj at protonmail.com>, A friendly place to get answers to even the most basic questions about Squeak. <beginners at lists.squeakfoundation.org>
>>>>>
>>>>> Hi OBrien J
>>>>>
>>>>> One way to do this is to install a new interruptWatcher on Sensor.
>>>>>
>>>>> On the class you want to handle the message do something like
>>>>>
>>>>> Sensor installInterruptWatcher:[self userInterruptWatcher].
>>>>>
>>>>> Yourclass >> userInterruptWatcher
>>>>> "Wait for user interrupts and open a notifier on the active process when one occurs."
>>>>> | interruptSemaphore |
>>>>> interruptSemaphore := InputSensor interruptSemaphore.
>>>>> [true] whileTrue: [
>>>>> interruptSemaphore wait.
>>>>> self signal: #userInterrupt.
>>>>> ].
>>>>>
>>>>> Then implement your handler with something like onUserInterrupt to respond to the signal.  Or you could just call a method in your class to handle the interrupt.
>>>>>
>>>>> Hope that helps!
>>>>>
>>>>> All the best,
>>>>>
>>>>> Ron Teitelbaum
>>>>>
>>>>> On Sat, Dec 9, 2017 at 12:09 PM, obrienj <obrienj at protonmail.com> wrote:
>>>>>
>>>>>> Is there a way to intercept the 'User Interrupt'  window that pops up when the user types the interrupt key and replace it with a customized dialog window? I've used on: do: to intercept Error messages but can't seem to do the same with EventSensor messages.
>>>>>>
>>>>>> _______________________________________________
>>>>>> Beginners mailing list
>>>>>> Beginners at lists.squeakfoundation.org
>>>>>> http://lists.squeakfoundation.org/mailman/listinfo/beginners
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.squeakfoundation.org/pipermail/beginners/attachments/20171209/2f8b0cb2/attachment-0001.html>