process mouse or keyboard input without clearing slide?

[JACanterbury]

Thanks Paul. Just seen this. Sounds hopeful (and interesting) - I will give 
it a go on monday.

Have a nice weekend,

cheers,

John

On Friday, January 10, 2014 11:34:10 AM UTC, Paul Groot wrote:
>
> Hi John,
>
> I've modified the following example a bit to simplify it so it should work 
> as you described:
>
> http://pfcgroot.nl/e-prime/83-example-scripts/84-image-selection-example.html
>
> This is the simplified version:
> http://pfcgroot.nl/e-prime/83-example-scripts/88-image-click-example.html
>
> The main trick in both examples, is that a stimulus is shown with a 
> duration of zero. However, the image will stay on screen while a List 
> object is used to handle individual mouse clicks. Visual click position 
> feedback is done with a few canvas calls. The tricky part is to terminate 
> the list after a specific timeout. This is done by dynamically setting the 
> duration of the response object, because just setting the 'terminate after' 
> property of the list will only check the time after each click.
>
> Best
> Paul
>
>
>
>
>
>
>
> On 9 January 2014 17:46, JACanterbury <jacant... at gmail.com <javascript:>>wrote:
>
>> Hi,
>>
>> I was hoping for a few pointers to save me going down too many dead ends.
>>
>> I want to display an image full screen and then get the participant to 
>> click at various points of interest around the screen.
>>
>> The might click many times.
>>
>> I will terminate either on a timer, or possibly by keyboard input
>>
>> Wherever the participant clicks, I want to display a marker on the screen 
>> at the location they clicked.
>>
>> I need to record somehow in a results file where and when they clicked.
>>
>>
>> Does anyone done anything similar before or have any advice?
>>
>>
>> I was thinking that perhaps it could be done all in ebasic without any 
>> slide objects. can i create and display a slide, and sub objects all from 
>> code and then just loop around waiting for mouse/keyboard input?
>>
>> Alternatively, is it possible to process input on a normal slide without 
>> the slide being terminated?
>>
>>
>> Many thanks for your inspiration/advice,
>>
>> John
>>  
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