In GRAB control

[Richmond Mathewson]

If you try that "code snippet" I think you will get terribly stuck: 
that's a question.

Richmond.

On 10/15/17 8:04 pm, Tom Glod via use-livecode wrote:
> richmond, are you asking a question or giving us code snippet to use?
>
> On Sun, Oct 15, 2017 at 1:01 PM, Richmond Mathewson via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
>> Imagine a stack with a picture of an orange in its centre . . .
>>
>> The picture: img "arancia", contains the following script:
>>
>> on mouseDown
>>        grab me
>> end mouseDown
>>
>> so the end-user can move the picture wherever they want
>> all over the stack.
>>
>> HOWEVER . . . I want to know whether their initial movement is to the
>> left, right, upwards or downwards.
>>
>> Fantasy time again [pseudocode]:
>>
>> on Grab
>>      put the left of me into LEFT1
>>      put the top of me into TOP1
>>      wait 2 ticks
>> put the left of me into LEFT2
>>      put the top of me into TOP2
>>       if LEFT2 < LEFT1 then
>>          put "LEFT"
>>       else
>>          put "RIGHT"
>>       end if
>>       if TOP2 < TOP1 then
>>           put "UP"
>>       else
>>           put "DOWN"
>>       end if
>> end Grab
>>
>> Richmond.
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>>
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