Lockscreen and progress bar

[Bob Sneidar]

Try wait 1 millisecond with messages then lock screen again. But I have run into this issue where even when I pause execution by some means the screen does not update. I find the whole process unreliable, and by the way when you lock the screen then do something with a datagrid, the screen gets unlocked in the process because the datagrid library for reasons unknown unlocks the screen for certain operations. 

Bob S


> On Jul 26, 2024, at 12:12 AM, jbv via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Hello Terry,
> 
> Yes I thought of that. The problem is that "lock screen" hinders
> the progress bar to be updated while the loop is running.
> I also tried to shortly "break" the lock screen by inserting
>  unlock screen
>  lock screen
> within the loop, hoping that it would update the display, but
> to no avail.
> 
> Thank you anyway for the idea.
> 
> Le 2024-07-26 02:54, Terry Judd via use-livecode a écrit :
>> How about taking a screengrab just before you run the loop, place that over the top of the content that changes, layer the progress thingy over that and then delete the screengrab and hide the thingy when the loop is done?
>> From: use-livecode <use-livecode-bounces at lists.runrev.com> on behalf of jbv via use-livecode <use-livecode at lists.runrev.com>
>> Date: Friday, 26 July 2024 at 4:44 PM
>> To: How to use LiveCode <use-livecode at lists.runrev.com>
>> Cc: jbv at souslelogo.com <jbv at souslelogo.com>
>> Subject: Lockscreen and progress bar
>> Hi list,
>> I have a main loop that does a lot of things, like resizing images,
>> precessing imagedata, creating fields and groups, etc.
>> On top of the loop I have added "lock screen" to speed things up, and
>> also because I don't want users to see what is going on, only the final
>> layout when the loop is over.
>> However, while the loop is running, I would like to have a progress bar
>> and a message such as "step 1/20" etc.
>> How can I handle that ? I took a look at callbacks, but unless I missed
>> something, it seems limited to players.
>> Thank you in advance.
>> jbv
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