This is what works for me. Note the commented out answer dialog of the
scroller. Uncomment it so you know the message path is correct. I think you are
missing==> [mobileControlSet sName , "scrollingEnabled" , true]
command CreateScroll sName
local crect
if dev () then exit CreateScroll
put (the rect of control sName) onto crect
mobileControlCreate "scroller", sName
mobileControlSet sName , "rect", crect
mobileControlSet sName , "visible", false
end CreateScroll
command ActivateScroll sName , Xscroll , Yscroll
Local crect , sRect
if dev () then exit ActivateScroll
put ("0,0," & (the formattedwidth of control sName) & "," & the
formattedheight of control sName + 20 ) into sRect
mobileControlSet sName , "contentRect" , sRect
mobileControlSet sName , "vIndicator" , true
mobileControlSet sName , "scrollingEnabled" , true
mobileControlSet sName , "visible", true
if Xscroll is not empty and Xscroll >= 0 then
mobileControlSet sName , "hScroll" , round(Xscroll)
end if
if Yscroll is not empty and Yscroll >= 0 then
--answer sName , Xscroll , Yscroll
mobileControlSet sName , "vScroll" , round(Yscroll)
end if
end ActivateScroll
on scrollerDidScroll hScrolled, vScrolled
local ControlID
--answer "Here!"
try
put mobileControlTarget() into ControlID
set the vscroll of control ControlID of stack "xxx" to vscrolled
set the hscroll of control ControlID of stack "xxx" to hscrolled
end try
pass scrollerDidScroll
end scrollerDidScroll
Ralph DiMola
IT Director
Evergreen Information Services
[email protected]
-----Original Message-----
From: use-livecode [mailto:[email protected]] On Behalf Of
Sannyasin Brahmanathaswami
Sent: Tuesday, July 05, 2016 6:05 PM
To: How to use LiveCode
Subject: Re: Front and Back Scripts on Mobile
Hmmm, today it's not working… not sure how to debug… but buildomh on stand
alone with this in the backscript
command CreateScroller pName -- scrolling regions,groups, fields
if not isMobile() then exit CreateScroller
deleteMobileControl pName -- delete any existing
put (the rect of control pName) into tRect
mobileControlCreate "scroller", pName
mobileControlSet pName, "rect", tRect
put ("0,0," & (the formattedwidth of control pName) & "," & the formattedheight
of control pName) into tRect
mobileControlSet pName, "contentRect" , tRect
mobileControlSet pName, "hScroll" , 0
mobileControlSet pName, "vScroll" , 0
mobileControlSet pName, "hIndicator" , false
mobileControlSet pName, "visible", true
end CreateScroller
on scrollerDidScroll hScrolled, vScrolled
put mobileControlTarget() into tControlID
set the vscroll of control tControlID to vscrolled
pass scrollerDidScroll
end scrollerDidScroll
is failing… the control will not scroll
From: use-livecode <[email protected]> on behalf of Richard
Gaskin <[email protected]>
Reply-To: How LiveCode <[email protected]>
Date: Saturday, July 2, 2016 at 8:47 AM
To: How LiveCode <[email protected]>
Subject: Re: Front and Back Scripts on Mobile
I believe a more accurate description is that the scrollerDidScroll message is
sent to the *script* that created the scroller, which many not necessarily be a
stack.
In my case it's a backscript, and it works well.
It seemed painfully tedious to even think about typing scroller instantiation
code for every controls that needs it, so I don't.
Instead, a backscript scans controls during preOpenCard and anything that needs
a scroller gets one instantiated for it (along the way it also turns off
scrollbars, since of course those are only useful on desktop).
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