lock screen gotcha revisited

[Mark Wieder]

On 08/21/2017 10:28 AM, Mark Waddingham via use-livecode wrote:
> On 2017-08-19 04:41, J. Landman Gay via use-livecode wrote:
>> Except when it doesn't. There seems to be an override in the lock
>> count if any unlock uses a visual effect. I'm not sure if that's on
>> purpose or not.
> 
> Internally there is a counter - and only one - the engine uses it too 
> when it needs to.
> 
> The lock is dropped as soon as you get back to a wait with messages 
> though (IIRC) (certainly the main runloop).

Does that mean temporarily unlocked or resetting the counter to zero?

> 
> Unbalanced lock screens can cause problems though - the IDE has had a 
> fair few in the past - it might still... Do you have an example of the 
> abberent behavior you've seen? It would be useful to know if there is an 
> engine issue lurking here, or a misplaced lock/unlock screen in the IDE.

can misplaced unlocks set the counter to < zero?

-- 
  Mark Wieder
  ahsoftware at gmail.com