Border screen "artifacts" on dynamically moving button on Windows

Sannyasin Sivakatirswami katir at
Mon Nov 24 23:13:52 EST 2003


I wish it were that simple... traversalOn is false (not checked in the 

We can boil this down now to a problem with the left mouse  button on 
Windows... right mouse button click down doesn't affect it... it works 
as expected the "artifact" of the sudden and persistence appearance of 
the border of the button only appears when the left mouse button is 

On Nov 24, 2003, at 5:43 PM, Ken Ray wrote:

> Sannyasin,
> Is it possible that what your user is seeing is the grey inner 
> rectangle
> that shows the focus of the button? That is, if you turn off the
> "traversalOn" does it go away?
> Ken Ray
>> Sannyasin Sivakatirswami
>> Sent: Monday, November 24, 2003 4:07 PM
>> the main presentation card that does the "slide show" uses a
>> transparent button whose icon is dynamically set to different images
>> that live as resources on card two (which the user never sees). I put
>> in a handler to allow the user to reduce or enlarge the artwork, and
>> move the button on the screen accordingly.
>> This is implemented by simply trapping,
>> in the stack script,  for a mouseup on the button "artwork"
>> on mouseup
>>    if the target contains "artwork" then viewFullArt
>> end mouseup
>> ## This handles does the job of pulling an id for the art and
>> resizing
>> it up or down:
>> on viewFullArt
>>    put (3000+gNowShowing) into tPicture
>>    if the width of image id tPicture = 540 then ## we need to
>> reduce the
>> picture.
>>      hide fld "sideViewText"
>>      lock screen
>>      set the rect of image id tPicture to 0,0,290,290
>>      set the loc of btn "artwork" to 369,171
>>      show fld "slokaTitle"
>>      show fld "SlokaText"
>>      unlock screen with visual effect dissolve fast
>> ## our user on windows is now seeing a border around the button
>>    else ## it's already reduced and we need to enlarge it
>>      hide fld "slokaTitle"
>>      hide fld "slokaText"
>>      put fld "slokaTitle" & cr & cr & fld "slokaText" into fld
>> "SideViewText"
>>      show fld "sideViewText"
>>      set the loc of btn "artwork" to 279,279
>>      lock screen
>>      set the width of  image id tPicture to 540
>>      set the height of image id tPicture to 540
>>      set the textstyle of line 3 of fld "sideViewText" to bold
>>      set the textsize of line 3 of fld "SideViewText" to 18
>>    end if
>> ## our user now says the border of the button in it's
>> previous location
>> persists at that location
>> end viewFullArt
>> Very simple and works beautifully on a Mac and also on many Windows
>> machines. But one windows tester reports:
>>> Left click on image enlarges pic to page left but outlines pic with
>>> single
>>> lined box,  with text moving to page right.  A second left
>> click and
>>> pic
>>> shrinks to page center top, text moves to bottom (all as
>> expected from
>>> original
>>> format) but box persists.  The single line box is now centered and
>>> moved
>>> towards top, but size is so large that it cuts through titles and
>>> sloka text.
>>> The text is dominate in title areas, but in sloka area text
>> coexists
>>> with box
>>> outline.  In the sloka area the with box outline and the text both
>>> appear as if
>>> someone on an old typewriter overstruck the text with a hyphen.
>> I don't know precisely what is going on  as I cannot replicate the
>> problem... but it appears that, though the button is transparent and
>> the showborder is false, showfocusborder is also false, that we are
>> getting some border artifact "bleed through-hangover" in the dos
>> machine's video card nevertheless. The difference in the fields
>> appearance is because I have set some of them to opaque and others to
>> opaque=false (transparent fields) which I can fix, (all should be
>> opaque) but the issue is I can figure out is the appearance and
>> persistence of a border for the button when their should be none.
>> Can anyone help? Is this a known issue? Any work arounds? Can any one
>> replicate this? (download and try on your windows machine.) I don't
>> know what else to turn off for the button... I see I have it
>> set to 3D
>> (a default) maybe that is it... or some more locking and unlocking
>> needs to be done to force the video card to refresh? Does the 3D
>> property affect the appearance of a border even if the showborder is
>> false?
>> TIA
>> Sannyasin Sivakatirswami
>> Himalayan Academy Publications
>> at Kauai's Hindu Monastery
>> katir at
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