Hi Tom, Sorry I didn't see your response until now. That, in fact, is what I did to deal with the situation. Thanks.
On Mon, Jul 30, 2012 at 6:32 AM, Thomas McGrath III <mcgra...@mac.com>wrote: > Howard, > > I am running out right now so I won't be able to look deeper into this > just yet. But remember that with that code there are two scrolls going on. > One for use in the IDE and the other for use on the device. The IDE code > is: set the vScroll of group "InputScrollerGroup" to pOffsetY and the > mobile code is: iphoneControlSet sScrollerId, "vscroll", 0 > > If it is not going back to the top when coming back from another card then > try adding both of them in an open card handler like this: > > on openCard > iphoneControlSet sScrollerId, "vscroll", 0 > set the vScroll of group "InputScrollerGroup" to 0 > end openCard > > to tested but should work if the controls exist at that point. > > I'll look at it later. > > HTHs > > -- Tom McGrath III > http://lazyriver.on-rev.com > 3mcgr...@comcast.net > > On Jul 29, 2012, at 5:34 PM, Howard Bornstein wrote: > > > Hi Tom, > > > > Thank you for this code. It has been very helpful in getting me going on > > using an IOS scroller. It works fine except for the following situation, > > which is baffling me at this point. > > > > If I implement a scroller with your code, everything works they way I > would > > expect it to. However, if I scroll the list (say half-way down) and then > > leave the card, when I return back, the top of the scrollable field is > not > > at the top of the scroller group (which I would expect because of this > line > > of code: set the top of field "Counter" to the top of group > > "InputScrollerGroup") but is, in fact, half-way down the scroller group. > > Then, if I try to scroll the field up, it never gets to the bottom of the > > field, but instead "bounces" somewhere near the middle of the content. In > > other words, it looks like the entire field is offset down by some amount > > (probably a function of how much I had it scrolled before I left the > card). > > > > I can't figure out why this would happen since the CloseCard handler > > deletes the IOS scroll group and OpenCard should create it fresh each > time > > I go to the card. Somehow, the field position is getting stuck after I > > scroll it and then leave the card. > > > > Do you understand why this is happening? > > > > -- > > Regards, > > > > Howard Bornstein > > ----------------------- > > www.designeq.com > > > > On Thu, Apr 5, 2012 at 6:44 AM, Thomas McGrath III <mcgra...@mac.com> > wrote: > > > >> Graham, > >> > >> I don't use mobgui but instead I use tmControl for layout of iOS > elements. > >> There are two types of scrolling lists possible in LC. The first is > using > >> mobilePick by itself or use an option button (that uses the iOS > >> mobilePicker). The second is using either an LC field object or other > >> objects like the list field in tmControl but either of these needs to > be in > >> a group and the group can now have an iOS scroller applied to it. > >> > >> If you create a field that is very long and group it then select the > group > >> and make it shorter than that field it will scroll. I can't remember if > the > >> group needs locked or not. There are a couple of glitches to watch out > for. > >> > >> Here is parts of a script that controls a grouped field and an iOS > >> scroller. A mouseUp in the field can return the desired line etc. > >> > >> local sScrollerId > >> on scrollerDidScroll pOffsetX, pOffsetY > >> lock screen > >> set the hScroll of group "InputScrollerGroup" to pOffsetX > >> set the vScroll of group "InputScrollerGroup" to pOffsetY > >> unlock screen > >> end scrollerDidScroll > >> > >> on openCard > >> set the layerMode of group "InputScrollerGroup" of this card to > >> "scrolling" > >> > >> set the unboundedHScroll of group "InputScrollerGroup" to true > >> set the unboundedVScroll of group "InputScrollerGroup" to true > >> > >> -- add items to a field "Counter" and have it grow to fit the > contents > >> set the height of field "Counter" of this card to the formattedHeight > >> of field "Counter" > >> set the top of field "Counter" to the top of group > "InputScrollerGroup" > >> > >> set the threeDHilite of field "Lap Counter" to false > >> iphoneControlCreate "scroller", "InputScroller" > >> put the result into sScrollerId > >> put the rect of group "InputScrollerGroup" into tRect > >> iphoneControlSet sScrollerId, "rect", tRect > >> put the formattedHeight of field "Counter" into tHeight > >> iphoneControlSet sScrollerId, "contentRect", (0, 0, 0, tHeight) > >> iphoneControlSet sScrollerId, "indicatorInsets", (0,0,6,0) > >> iphoneControlSet sScrollerId, "visible", "true" > >> iphoneControlSet sScrollerId, "canBounce", true > >> > >> iphoneControlSet sScrollerId, "declerationRate", fast > >> iphoneControlSet sScrollerId, "scrollingEnabled", true > >> iphoneControlSet sScrollerId, "canScrollToTop", true > >> iphoneControlSet sScrollerId, "delayTouches", true > >> > >> iphoneControlSet sScrollerId, "vscroll", 0 > >> set the vScroll of group "InputScrollerGroup" to 0 > >> set the vScroll of field "Counter" to 0 > >> > >> focus on nothing > >> iphoneControlDo sScrollerId, "flashScrollIndicators" > >> end openCard > >> > >> on closeCard > >> iphoneControlDelete "InputScrollerGroup" > >> end closeCard > >> > >> -- Tom McGrath III > >> http://lazyriver.on-rev.com > >> 3mcgr...@comcast.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 > > > _______________________________________________ > 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 > -- Regards, Howard Bornstein ----------------------- www.designeq.com _______________________________________________ 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
