Re: how to know 2 monitors are in use?

2018-09-28 Thread Richmond via use-livecode

Someone loves overcomplicating things.

I don't, most of the time.

I just ran up a stack with 2 scrolling text fields called "VIDZ" and 
:VIDZ2" repectively,
so that relative screen middles could go in the first one and absolute 
screen middles

in the second one, and then popped this code in a button:

on mouseUp
   put empty into fld "VIDZ"
   put empty into fld "VIDZ2"
   put the screenRects into fld "VIDZ"
   put 1 into VDUZ
   repeat until line VDUZ of fld "VIDZ" is empty
  put item 1 of line VDUZ of fld "VIDZ" into VW1
  put item 3 of line VDUZ of fld "VIDZ" into VW2
  put ((VW2-VW1)/2) into WIDD
  put (((VW2-VW1)/2)+VW1) into WIDD2
  put item 2 of line VDUZ of fld "VIDZ" into VH1
  put item 4 of line VDUZ of fld "VIDZ" into VH2
  put ((VH2-VH1)/2) into HITE
  put (((VH2-VH1)/2)+VH1) into HITE2
  put " screen centre at" && WIDD & "," && HITE after line VDUZ of 
fld "VIDZ"
  put " screen centre at" && WIDD2 & "," && HITE2 after line VDUZ 
of fld "VIDZ2"

  add 1 to VDUZ
   end repeat
end mouseUp

I'll try to post the stack to the Forums, but my ISP is currently 
playing "silly buggers" so I cannot guarantee anything.


Richmond.

On 26.09.2018 17:37, Bob Sneidar via use-livecode wrote:

Or you could use the recent line intersect function recently posted by Richmond 
on the top,left bottom,right and bottom,left and top,right of your chosen 
monitor and round the results:

http://forums.livecode.com/viewtopic.php?f=7=31565

Bob S



On Sep 25, 2018, at 18:57 , Nicolas Cueto via use-livecode 
 wrote:

Thank you, Paul.

Using "screenrects" as Paul suggested, here, for future reference, is a
script snippet that places a stack on the right monitor:

put the screenrects into tScrRects
if the environment is "development" and the number of lines in tScrRects >
1 then
  -- CENTRE THE STACK ON THE RIGHT MONITOR
  put line 2 of tScrRects into tRMon -- right monitor rect
  put ((item 3 of tRMon - item 1 of tRMon) / 2 + item 1 of tRMon) &
comma & \
((item 4 of tRMon - item 2 of tRMon) / 2) into tRect
  set the loc of this stack to tRect
   else
  -- CENTRE THE STACK ON TE LEFT MONITOR
  set the loc of this stack to the screenloc
   end if
--
Nicolas Cueto


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Re: how to know 2 monitors are in use?

2018-09-28 Thread Richmond via use-livecode
All well and good, in theory, but I have just been fooling around with a 
monitor that gives


me 0,0,1600,900, and then "getting its knickers in a twist" because when 
I feed the topleft


of the VDU into my calculations I get a "tried to divide 0 by 0" thing.

I suppose (?) one of the ways round this would be to change 0,0,1600,900 
to 1,1,1600,900


and live with the "tragedy" that everything would be one pixel "out of 
whack".



Richmond.


On 26.09.2018 17:37, Bob Sneidar via use-livecode wrote:

Or you could use the recent line intersect function recently posted by Richmond 
on the top,left bottom,right and bottom,left and top,right of your chosen 
monitor and round the results:

http://forums.livecode.com/viewtopic.php?f=7=31565

Bob S



On Sep 25, 2018, at 18:57 , Nicolas Cueto via use-livecode 
 wrote:

Thank you, Paul.

Using "screenrects" as Paul suggested, here, for future reference, is a
script snippet that places a stack on the right monitor:

put the screenrects into tScrRects
if the environment is "development" and the number of lines in tScrRects >
1 then
  -- CENTRE THE STACK ON THE RIGHT MONITOR
  put line 2 of tScrRects into tRMon -- right monitor rect
  put ((item 3 of tRMon - item 1 of tRMon) / 2 + item 1 of tRMon) &
comma & \
((item 4 of tRMon - item 2 of tRMon) / 2) into tRect
  set the loc of this stack to tRect
   else
  -- CENTRE THE STACK ON TE LEFT MONITOR
  set the loc of this stack to the screenloc
   end if
--
Nicolas Cueto


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Re: how to know 2 monitors are in use?

2018-09-26 Thread Bob Sneidar via use-livecode
Or you could use the recent line intersect function recently posted by Richmond 
on the top,left bottom,right and bottom,left and top,right of your chosen 
monitor and round the results:

http://forums.livecode.com/viewtopic.php?f=7=31565

Bob S


> On Sep 25, 2018, at 18:57 , Nicolas Cueto via use-livecode 
>  wrote:
> 
> Thank you, Paul.
> 
> Using "screenrects" as Paul suggested, here, for future reference, is a
> script snippet that places a stack on the right monitor:
> 
> put the screenrects into tScrRects
> if the environment is "development" and the number of lines in tScrRects >
> 1 then
>  -- CENTRE THE STACK ON THE RIGHT MONITOR
>  put line 2 of tScrRects into tRMon -- right monitor rect
>  put ((item 3 of tRMon - item 1 of tRMon) / 2 + item 1 of tRMon) &
> comma & \
>((item 4 of tRMon - item 2 of tRMon) / 2) into tRect
>  set the loc of this stack to tRect
>   else
>  -- CENTRE THE STACK ON TE LEFT MONITOR
>  set the loc of this stack to the screenloc
>   end if
> --
> Nicolas Cueto


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Re: how to know 2 monitors are in use?

2018-09-25 Thread Nicolas Cueto via use-livecode
Thank you, Paul.

Using "screenrects" as Paul suggested, here, for future reference, is a
script snippet that places a stack on the right monitor:

 put the screenrects into tScrRects
 if the environment is "development" and the number of lines in tScrRects >
1 then
  -- CENTRE THE STACK ON THE RIGHT MONITOR
  put line 2 of tScrRects into tRMon -- right monitor rect
  put ((item 3 of tRMon - item 1 of tRMon) / 2 + item 1 of tRMon) &
comma & \
((item 4 of tRMon - item 2 of tRMon) / 2) into tRect
  set the loc of this stack to tRect
   else
  -- CENTRE THE STACK ON TE LEFT MONITOR
  set the loc of this stack to the screenloc
   end if
--
Nicolas Cueto

On Wed, 26 Sep 2018 at 10:03, Paul Dupuis via use-livecode <
use-livecode@lists.runrev.com> wrote:

> "the screenrects" will return the rectangles of all active monitors with
> the default monitor as the 1st line.
>
> Unfortunately, "the screenLoc" only returns the center of the default
> monitor. You would need to get the rect of any other monitor and
> calculate the center for centering a dialog on other monitors.
>
>
>
>  On 9/25/2018 8:52 PM, Nicolas Cueto via use-livecode wrote:
> > During "development" on Windows with 2 monitors, how to use "set the loc
> of
> > this stack to the screenloc" so that a stack centres in on one or the
> other
> > monitor? (And, if not in the development environment? say, a standalone?)
> >
> > Thanks.
> >
> > --
> > Nicolas Cueto
> > ___
> > use-livecode mailing list
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> >
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Re: how to know 2 monitors are in use?

2018-09-25 Thread Paul Dupuis via use-livecode
"the screenrects" will return the rectangles of all active monitors with
the default monitor as the 1st line.

Unfortunately, "the screenLoc" only returns the center of the default
monitor. You would need to get the rect of any other monitor and
calculate the center for centering a dialog on other monitors.



 On 9/25/2018 8:52 PM, Nicolas Cueto via use-livecode wrote:
> During "development" on Windows with 2 monitors, how to use "set the loc of
> this stack to the screenloc" so that a stack centres in on one or the other
> monitor? (And, if not in the development environment? say, a standalone?)
>
> Thanks.
>
> --
> Nicolas Cueto
> ___
> use-livecode mailing list
> use-livecode@lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your subscription 
> preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode
>


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how to know 2 monitors are in use?

2018-09-25 Thread Nicolas Cueto via use-livecode
During "development" on Windows with 2 monitors, how to use "set the loc of
this stack to the screenloc" so that a stack centres in on one or the other
monitor? (And, if not in the development environment? say, a standalone?)

Thanks.

--
Nicolas Cueto
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