Tiemo, have you tried using a browser widget instead?

Sent from my iPhone

> On Jul 6, 2017, at 6:05 AM, Richmond Mathewson via use-livecode 
> <use-livecode@lists.runrev.com> wrote:
> 
> I wonder if you cannot manage to lock the screen over more than one handler 
> by calling
> the second handler from within the first one?
> 
> For instance:
> 
> on mouseDown
>   set the lockscreen to true
>   put "screen locked"
> send "mouseStillDown" to me
>   wait 10 ticks
>   set the lockscreen to false
> end mouseDown
> 
> on mouseStillDown
>   put "pigs have wings"
> end mouseStillDown
> 
> Just a thought.
> 
> Richmond.
> 
>> On 7/6/17 12:49 pm, Tiemo Hollmann TB via use-livecode wrote:
>> I think I now tried all combinations with a separate frameless browser for 
>> the player object, with and without locking the screen and locking the 
>> mesages, but the behavior of the player object and it's control over the 
>> main window frame obviously can't be controlled by LiveCode (at least not by 
>> me).
>> Am I right that I don't have control over the colour of the main window 
>> frame? Perhaps I'll find a tweak tool for Windows 8, to give it the look & 
>> feel of Windows 10, which I can recommend my customers, where the flickering 
>> isn't that distracting.
>> Tiemo
>> 
>> -----Ursprüngliche Nachricht-----
>> Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im Auftrag 
>> von Tiemo Hollmann TB via use-livecode
>> Gesendet: Mittwoch, 5. Juli 2017 18:46
>> An: 'How to use LiveCode' <use-livecode@lists.runrev.com>
>> Cc: Tiemo Hollmann TB <toolb...@kestner.de>
>> Betreff: AW: can I lock screen over more than one handler?
>> 
>> Hi Randy,
>> it worked out that the issue wasn't related to the design of two handlers 
>> and it was only the single statement for setting the filename to the player 
>> object in one handler. But it seems, I can't suppress the loosing and 
>> reassigning of the focus of the main window when setting the filename. With 
>> and without locking the screen.
>> What I didn't tried yet is placing the player object into an own window 
>> without title bar and frame. I don't know, how that looks on Windows 8, but 
>> perhaps I can keep the flickering off the main window with that approach.
>> Tiemo
>> 
>> -----Ursprüngliche Nachricht-----
>> Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im Auftrag 
>> von Randy Hengst via use-livecode
>> Gesendet: Mittwoch, 5. Juli 2017 17:56
>> An: How to use LiveCode <use-livecode@lists.runrev.com>
>> Cc: Randy Hengst <iowahen...@mac.com>
>> Betreff: Re: can I lock screen over more than one handler?
>> 
>> It’s been a long time since I’ve messed with player objects… but what about 
>> putting both of the handlers into a “run” handler:
>> 
>> on runMyHandlers
>>    LOCK SCREEN
>>    handler1
>>    handler2
>>    UNLOCK Screen
>> end runMyHandlers
>> 
>>> On Jul 5, 2017, at 10:42 AM, Tiemo Hollmann TB via use-livecode 
>>> <use-livecode@lists.runrev.com> wrote:
>>> 
>>> Jonathan had a tricky idea to work with two player objects switching
>>> between them with hiding and showing them and doing the assignment of
>>> the filename with the currently hidden player, even with locking the
>>> screen at the beginning of the handler.
>>> It's a pitty, but the flickering of the whole window frame keeps the same.
>>> The directShow video engine must be somehow totally dominant.
>>> Any other tricky idea?
>>> Tiemo
>>> 
>>> -----Ursprüngliche Nachricht-----
>>> Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im
>>> Auftrag von Tiemo Hollmann TB via use-livecode
>>> Gesendet: Mittwoch, 5. Juli 2017 15:57
>>> An: 'How to use LiveCode' <use-livecode@lists.runrev.com>
>>> Cc: Tiemo Hollmann TB <toolb...@kestner.de>
>>> Betreff: AW: can I lock screen over more than one handler?
>>> 
>>> Thanks Jonathan, Trevor and Sean for your comments.
>>> 
>>> Meanwhile I could drill down my "flickering" problem (post from
>>> yesterday) to an unexpected command.
>>> In one of those handlers I "set the filename of player "myVideoPlayer"
>>> to tFile". This command withdraws the focus from the window and passes
>>> it back after some milliseconds. On my Win 10 machine with a white
>>> window title bar I almost can't see it, but on Win 8 with the standard
>>> violet title bar it is an ugly flickering, each time I set the
>>> filename (which happens very frequently in a quiz loop).
>>> 
>>> And I can't prevent this flickering with a lock screen right before
>>> the setting of the filename. The setting of the filename seems to
>>> release the lock screen or it takes the focus of the window off and
>>> back. Very ugly in my case.
>>> 
>>> Tiemo
>>> 
>>> 
>>> 
>>> -----Ursprüngliche Nachricht-----
>>> Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im
>>> Auftrag von Sean Cole (Pi) via use-livecode
>>> Gesendet: Mittwoch, 5. Juli 2017 15:30
>>> An: How to use LiveCode <use-livecode@lists.runrev.com>
>>> Cc: Sean Cole (Pi) <s...@pidigital.co.uk>
>>> Betreff: Re: can I lock screen over more than one handler?
>>> 
>>> Hi Tiemo,
>>> The solution here is to call another lockScreen at the beginning of
>>> handler2. You don't have to use the unlockScreen at the end of handler
>>> 1 and
>>> 2 as it will do that automatically but it is advisable to include the
>>> command anyway. Is there a reason why you had an aversion to using a
>>> lockScreen at the start of handler2?
>>> 
>>> All the best
>>> 
>>> Sean Cole
>>> *Pi Digital Productions Ltd*
>>> 
>>> On 5 July 2017 at 14:09, Trevor DeVore via use-livecode <
>>> use-livecode@lists.runrev.com> wrote:
>>> 
>>>> On Wed, Jul 5, 2017 at 6:45 AM, Tiemo Hollmann TB via use-livecode <
>>>> use-livecode@lists.runrev.com> wrote:
>>>>> 
>>>>> Is this possible?
>>>>> 
>>>>> on handler1
>>>>> 
>>>>> lock screen
>>>>> 
>>>>> -- do some stuff here
>>>>> 
>>>>> send "handler2" in 0 milliseconds
>>>>> 
>>>>> end handler1
>>>>> 
>>>>> 
>>>>> 
>>>>> on handler2
>>>>> 
>>>>> -- do some other stuff here
>>>>> 
>>>>> unlock screen
>>>>> 
>>>>> end handler2
>>>>> 
>>>> No it is not. From the docs for `lock screen`:
>>>> 
>>>> "When all pending handlers are finished executing, the lockScreen
>>>> property is set back to false and the user sees the current state of
>>>> stack windows on the screen."
>>>> 
>>>> The use of the word "pending" is confusing because when you use
>>>> `send` you end up with an entry in the `pendingMessages`. But the
>>>> screen is going to be unlocked each time through the event loop. If
>>>> `handler` called `handler2` directly (without using `send`) then you
>>>> would not see the screen update. You should see the result you are
>>>> looking for if you change your code to look like this:
>>>> 
>>>> ```
>>>> on handler1
>>>>  lock screen
>>>> 
>>>>  -- do some stuff here
>>>> 
>>>>  handler2
>>>> end handler1
>>>> ```
>>>> 
>>>> If you need to call `handler2` in time then you will need to figure
>>>> out another approach to updating the screen. Perhaps all screen
>>>> updates will need to happen in `handler2`.
>>>> 
>>>> --
>>>> Trevor DeVore
>>>> ScreenSteps
>>>> www.screensteps.com
>>>> _______________________________________________
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