Trapping for mouseDown on the desktop on a Mac

Phil Davis revdev at pdslabs.net
Mon Oct 14 15:26:15 EDT 2013


"Phil" is Paul's nickname, I'm almost certain.  ;-)
Phil


On 10/14/13 12:19 PM, Ray wrote:
> Phil,
>
> Many thanks for including this stack!  I'm in New York right now (out 
> of town for me) but I'm anxious to get back home in a few days where I 
> can experiment with this on my Mac.  Interesting how you've put the 
> scripts in the card script but still need the field present to catch 
> the message.  What I'd like to see is a stack with absolutely no 
> objects in it receive the dragDrop message somewhere, either in the 
> card script or the stack script.   But evidently we need to put 
> 'dummy' controls like a field or an image on the card to trap for this 
> message.  Please correct me if I'm wrong.
>
> Thanks,
>
> Ray
>
> On 10/13/2013 2:55 PM, Paul Hibbert wrote:
>> Ken,
>>
>> I don't think you even need to go into a polling mode, as soon as 
>> user drags an item onto a stack it triggers a 'dragMove' message so 
>> trapping that should work on both platforms.
>>
>> Tried a few tests with a small stack and tackling the problem from a 
>> different angle seems to do the trick on OSX and Win7.
>>
>> Ray, the test stack is here, hope it helps… 
>> https://www.dropbox.com/s/hddd6qx0vmilsot/Drag%20and%20Drop%20text.livecode 
>> - no restrictions on use!
>>
>> Paul
>>
>> On 2013-10-13, at 9:48 AM, Ken Ray wrote:
>>
>>> How about going into a polling mode, checking the dragData["files"] 
>>> every second or so... it should start out empty, but as soon as the 
>>> user starts to drag a file from the desktop, it should have 
>>> something in it.
>>>
>>> Just a thought,
>>>
>>> Ken Ray
>>> Sons of Thunder Software
>>>
>>>> On Oct 12, 2013, at 11:25 AM, Ray <ray at linkit.com> wrote:
>>>>
>>>> Phil - thanks for the suggestion but I just tried it and no-can-do. 
>>>> For some reason, and this is a Mac-only behavior, when I mouseDown 
>>>> on the desktop I can't see any messages at all which are sent to 
>>>> Livecode.  The suspend message is sent if I mouseDown on another 
>>>> stack, but not on a file on the desktop or the desktop itself.
>>>>
>>>> Let me know if anything else comes to mind.
>>>>
>>>> Thanks,
>>>>
>>>> Ray
>>>>
>>>>> On 10/12/2013 10:51 AM, Phil Davis wrote:
>>>>> Have you tried using 'suspend' instead of 'mouseDown' and 
>>>>> 'suspendStack'? Should work the same on both platforms (famous 
>>>>> last words!).
>>>>>
>>>>> Phil
>>>>>
>>>>>
>>>>>> On 10/12/13 6:31 AM, Ray wrote:
>>>>>> On Windows the instant there is a 'mouseDown' on the desktop the 
>>>>>> current stack window goes inactive, thus triggering the 
>>>>>> suspendStack message.  I use this to create a field which then 
>>>>>> accepts dragDrops.  However, this is different on a Mac.  The 
>>>>>> current stack window on a Mac waits until the mouse comes up on a 
>>>>>> desktop click, thus defeating my scheme which creates the field 
>>>>>> to accept a dragDrop as soon as the mouse goes down on the desktop.
>>>>>>
>>>>>> Any ideas anybody on how to trap for a mouse down on the desktop 
>>>>>> on a Mac?
>>>>>>
>>>>>> Many thanks,
>>>>>>
>>>>>> Ray
>>>>>> LinkIt! Software
>>>>>>
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-- 
Phil Davis





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