lock screen

[Terence Heaford]

Thanks for all the replies.

How does lock screen affect widgets?

It does not appear to have any effect as if you run a Javascript in a Browser having applied lock screen, the Browser widget seems unaffected.

Thanks

Terry

> On 22 Jan 2021, at 16:39, Dan Friedman via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Same here.   Anytime I want to lock the screen, I do this:
> 
> on lockTheScreen
>  if not the lockScreen then
>    lock screen
>  end if
> end lockTheScreen
> 
> When needed, I use this:
> 
> on unLockTheScreen
>  repeat until not lockScreen
>    unlock screen
>  end repeat
> end unLockTheScreen
> 
> 
> That's my 2 cents.
> 
> -Dan
> 
> 
> On 1/22/21, 7:38 AM, "use-livecode on behalf of Paul Dupuis via use-livecode" <use-livecode-bounces at lists.runrev.com on behalf of use-livecode at lists.runrev.com> wrote:
> 
>    When I have a handler that needs to lock the screen I will often do the 
>    following
> 
>    begins handler
> 
>    put the lockScreen into tPreserveLockScreen
>    if not tPreserveLockScreen then lock screen
>    ...
>    code
>    ...
>    if not tPreserveLockScreen then unlock screen
> 
>    end handler
> 
>    Code in our main LC app is large enough that there are instances where 
>    the some code that calls the handler needs to lock the screen and other 
>    code that call it does not, but the handler always wants to hide changed 
>    until done.
> 
> 
>    On 1/22/2021 9:24 AM, Craig newman via use-livecode wrote:
>> Something else you might want to to know, though it may only be academic.
>> 
>> LockScreen commands are queued. So if you lock the screen twice, you have to explicitly unlock twice in order to clear the locked state.
>> 
>> It does not matter what happens in the flow of code in terms of screen locking, whether other command or function calls are made. The queue rules throughout. All is reset at idle time.
>> 
>> Craig
>> 
>> -----Original Message-----
>> From: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] On Behalf Of Brian Milby via use-livecode
>> Sent: Friday, January 22, 2021 6:50 AM
>> To: How to use LiveCode <use-livecode at lists.runrev.com>
>> Cc: Brian Milby <brian at milby7.com>
>> Subject: Re: lock screen
>> 
>> I’m sure someone else can be more clear, but when the engine gets to an idle state then locks should be cleared.  In your example, it would probably clear at the end of that mouseUp handler, but aTest would completely run with the screen locked.
>> 
>> Sent from my iPhone
>> 
>>> On Jan 22, 2021, at 3:57 AM, Terence Heaford via use-livecode <use-livecode at lists.runrev.com> wrote:
>>> 
>>> Just looking for clarity with regard to lock screen.
>>> 
>>> Is there only one state for the screen, either locked or not locked and when is that state changed.
>>> 
>>> ---------------
>>> on mouseUp
>>> 
>>> lock screen
>>> 
>>> aTest
>>> 
>>> end mouseUp
>>> 
>>> ----------------
>>> on aTest
>>> 
>>> — is the screen still locked here
>>> 
>>> end aTest
>>> 
>>> ————————
>>> 
>>> At what point is unlock screen called by livecode without me calling it directly.
>>> 
>>> The docs say when all pending handlers have completed but what exactly is a pending handler.
>>> 
>>> 
>>> 
>>> Thanks
>>> 
>>> Terry
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