-----Original Message----- From: use-livecode-boun...@lists.runrev.com [mailto:use-livecode-boun...@lists.runrev.com] On Behalf Of J. Landman Gay Sent: Monday, April 09, 2012 11:08 AM To: How to use LiveCode Subject: Re: iOS Control Instantiation problem
On 4/9/12 2:22 AM, Ken Ray wrote: > > On Apr 9, 2012, at 12:01 AM, J. Landman Gay wrote: > >> On 4/8/12 9:44 PM, Ken Ray wrote: >> >>> local sScrollerID >>> on ShowScroller pViewRect,pContentHt >>> -- pViewRect is the rect of the group that contains the scrolling list field I'm overlaying >>> -- pContentHt is the total height of the content of the scrolling list field as if it didn't >>> -- need to scroll >>> if the platform is "iphone" then >>> put "0,0,"& (item 3 of pViewRect)& ","& pContentHt into tContentRect >> >> I still haven't figured out why the rect always has to start at "0,0". You'd think it would start at the topleft of the scrollable group but that doesn't work. > > I think it needs to be relative to the topleft of the scrollable group, just like objects on a card are relative to the topleft of the card. >That would make sense, but then how come we can pass the right edge of the group (card-relative) as the third parameter? Shouldn't the third param be the width of the >group? If the left side of the group and scrollable region (rect) are on screen and > 0 then passing the right edge of the group (card-relative) as the third parameter of the contentrect will just make the virtual horizontal scrollable region a little wider than needed. Ralph DiMola IT Director Evergreen Information Services rdim...@evergreeninfo.net _______________________________________________ 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
