I think it is going to take some math but the scroller should be set for the
area within the card rect since the areas left/right are not going to be
responsive to the scroller.
Thanks,
Brian
On May 29, 2019, 2:01 PM -0500, J. Landman Gay via use-livecode
<use-livecode@lists.runrev.com>, wrote:
> Thanks Monte, I did over-summarize. I'm not sure why it's going wrong,
> but it sounds like it's something I'm doing. I have a standard
> "createScroller" handler that I've been using for years, but I've never
> had to set the hScroll before. It's always been zero.
>
> In this case, I set the hScroll of the group to the formattedWidth of
> the group, which may be wrong. The engine seems to compensate though and
> sets the scroll as far as it should go. Then I call "createScroller" and
> pass the name of the group. The handler:
>
> command createScroller pName
> -- pName = the long ID of a grp
> put the rect of control pName into tRect
> put the hScrollBar of control pName into tHScroller
> put the vScrollBar of control pName into tVScroller
> put the hScroll of control pName into tHScroll
> put the vScroll of control pName into tVScroll
> set the hScrollBar of control pName to false -- remove fld scrollbars
> on mobile
> set the vScrollBar of control pName to false
> mobileControlCreate "scroller", pName
> mobileControlSet pName, "rect", tRect
> put ("0,0," & (the formattedwidth of control pName) & "," & the
> formattedheight of control pName) into tContentRect
> mobileControlSet pName, "contentRect", tContentRect
> mobileControlSet pName, "hScroll", 0
> mobileControlSet pName, "vScroll", 0
> mobileControlSet pName, "hIndicator", tHScroller
> mobileControlSet pName, "vIndicator", tVScroller
> mobileControlSet pName, "hScroll", tHScroll
> mobileControlSet pName, "vScroll", tVScroll
> mobileControlSet pName, "visible", true
> end createScroller
>
> I initialize both the group and the scroller to 0 before doing anything
> else, because when I wrote it I couldn't get them to align correctly
> otherwise. I should also probably mention that I'm using fullscreenMode
> "showAll" and the group is expanded beyond the borders of the card to
> fill the screen; i.e., it probably has a negative left margin and a
> wider right margin. When the scroller finally does scroll (after
> resetting itself) it scrolls too far at the left side by the number of
> pixels between the screen left and the card left, and cuts off the same
> amount on the right side.
>
> Can you see what I should change?
>
>
> On 5/28/19 6:33 PM, Monte Goulding via use-livecode wrote:
> > Hi Jacque
> >
> > I’m thinking you are over summarising what you are doing here. For example,
> > I expect you mean to set the hScroll of the group to the formattedWidth -
> > the width of the group. Are you setting the contentRect appropriately
> > before setting the hScroll of the scroller?
> >
> > Cheers
> >
> > Monte
> >
> > > On 27 May 2019, at 8:03 am, J. Landman Gay via use-livecode
> > > <use-livecode@lists.runrev.com> wrote:
> > >
> > > I want to verify this is a bug and not just me.
> > >
> > > I'm creating a mobile scroller over a group. I want the group to
> > > initially display with its hScroll all the way to the right. I'm doing
> > > this:
> > >
> > > zoom the group out to fill the screen
> > > create a mobile scroller with the same rect
> > > set the hScroll of the group to its formattedWidth
> > > set the hScroll of the scroller to the scroll of the group
> > >
> > > If I insert an answer command to show the scroller's hScroll it reports
> > > the correct number. But the scroller always acts like its scroll is 0,
> > > and it won't scroll to the left at all. But scrolling it to the right
> > > zaps both it and the group to zero and after that it scrolls normally.
> > >
> > > I've also tried not setting the group's scroll and just setting the
> > > scroller alone, thinking it might trigger the scrollerDidScroll handler,
> > > but it doesn't.
> > >
> > > If I don't set any hScroll at all on either the group or the scroller,
> > > all is well.
> > >
> > > Has anyone else seen this?
> > >
> > > --
> > > Jacqueline Landman Gay | jac...@hyperactivesw.com
> > > HyperActive Software | http://www.hyperactivesw.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
> >
> >
> > _______________________________________________
> > 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
> >
>
>
> --
> Jacqueline Landman Gay | jac...@hyperactivesw.com
> HyperActive Software | http://www.hyperactivesw.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
_______________________________________________
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
