Uli, thanks a lot for the detailed thoughts! I'll have a go. Not sure how to schedule an animated scroll, but hopefully google will help me there :)
Many thanks again, Martin On 7, Apr, 2013, at 04:04 PM, Uli Kusterer <[email protected]> wrote: > On 07.04.2013, at 10:26, Martin Hewitson <[email protected]> wrote: >> So, in short, the expanding of the rows works nicely, except for the NSViews >> which should be hidden/revealed move in the view, despite having deselected >> the necessary struts in IB (haven't tried auto-layout here yet). > > The coordinate system starts in the lower left. If you have no struts set and > make the superview smaller, those views are effectively pinned to the lower > left. Have you tried pinning the views to the upper left? Then they should > stay in place and be clipped by the superview. > >> And, I need a better way to scroll the full row to be visible. > > Calculate it yourself: > > 1) Get the visible rect of the scroll view and the rect that the enlarged > cell view would be. Make sure they're both in the same coordinate system > (i.e. the scroll document view's coordinate system). > > 2) Calculate the difference between the bottom of the cell and the bottom of > the visible rect. If the visible rect is larger, make a note to scroll up by > that many pixels, so the bottom is just in view. > > 3) Calculate difference between the tops *after* applying the scroll from #2. > If the visible top is smaller than the cell's top, subtract the difference > from the scroll from #2. (This means that the top will always be visible if > you un-collapse the view, even if the row is taller than the visible area) > > 4) Schedule an animated scroll to be at the same time as the animation that > enlarges the cell. > > 5) PROFIT. > > Cheers, > -- Uli Kusterer > "The Witnesses of TeachText are everywhere..." > http://www.zathras.de > > > _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
