Measure can always be bigger than the actual width/height, that's what it's for.
On Fri, Jun 6, 2008 at 11:32 AM, Richard Rodseth <[EMAIL PROTECTED]> wrote: > No, I mean like zooming a window. I think the problem lies in how I > tell the TiledCanvas that one of its children is the zoomed one > (setting "visible" of all the others to false in updateDisplayList). > Stay tuned. > > However, setting that aside, it also seems as though I might be > commiting a hack if I allow the measured size of the TiledCanvas to > remain larger than its bounds, even though it allows the scrolling to > work (at least in the all-tiles-shown case). > > > On Thu, Jun 5, 2008 at 5:46 PM, Josh McDonald <[EMAIL > PROTECTED]<dznuts%40gmail.com>> > wrote: > > I'm not sure exactly what you're doing, or what you're trying to achieve > > yet. By "expanding a tile" do you mean you're setting the minimum to be > > bigger, or you're manually overriding the decisions the base Container > > implementation makes in updateDisplayList()? > > > > On Fri, Jun 6, 2008 at 10:41 AM, Richard Rodseth <[EMAIL > > PROTECTED]<rrodseth%40gmail.com>> > wrote: > >> > >> The docs say: > >> > >> If the horizontalScrollPolicy is ScrollPolicy.AUTO, the horizontal > >> scroll bar appears when all of the following are true: > >> > >> * One of the container's children extends beyond the left edge or > >> right edge of the container. > >> * The clipContent property is true. > >> * The width and height of the container are large enough to > >> reasonably accommodate a scroll bar. > >> > >> And sure enough, if I set a static minimum on tiledView, I get the > >> desired effect. > >> > >> If I expand a tile and change the minimum to something else, any idea > >> which invalidate method(s) I should call? > >> > >> On Thu, Jun 5, 2008 at 4:57 PM, Josh McDonald <[EMAIL > >> PROTECTED]<dznuts%40gmail.com>> > wrote: > >> > If you want to be able to measure your subcomponents, always use > >> > setActualSize. I learned that the hard way recently :) > >> > > >> > I've recently been doing a whole bunch of measure and > updatedisplaylist > >> > voodoo for a custom container, so I'll be slightly helpful! > >> > > >> > -Josh > >> > > >> > On Fri, Jun 6, 2008 at 9:36 AM, Richard Rodseth <[EMAIL > >> > PROTECTED]<rrodseth%40gmail.com> > > > >> > wrote: > >> >> > >> >> Clearly I haven't mastered layout and measurement. > >> >> > >> >> I've implemented a custom component which tiles its children in > >> >> equal-sized tiles, but also has a state (not a flex state) where one > >> >> tile fills the component. > >> >> > >> >> I subclassed Canvas and set the sizes and positions of children in > >> >> updateDisplayList. I didn't override measure(), but it works very > >> >> nicely, resizing children smoothly as it is resized. > >> >> > >> >> Now, however, I would like to set a minimum width and height for the > >> >> tiled view, after which scroll bars appear. The minimum will be > >> >> different if the component is in the one-tile-expanded case. > >> >> > >> >> Can I do this without further mods to my component? > >> >> Should my updateDisplayList be calling setActualSize rather than > >> >> setting x,y,width, height? > >> >> Should I have a measure() implementation? > >> >> How would it differ from the inherited one? > >> >> In a scenario like the following, would I set the minWidth and > >> >> minHeight on the parent or child? > >> >> Or, to ask another way, do the the scrollpolicy and minimum > properties > >> >> always belong on the same component? > >> >> > >> >> <mx:Canvas id="scrollableArea" width="100%" height="100%" > >> >> verticalScrollPolicy="auto" > >> >> horizontalScrollPolicy="auto"> > >> >> > >> >> <view:TiledCanvas id="tiledView" > >> >> width="100%" height="100%" > >> >> > > >> >> </view:TiledCanvas> > >> >> </mx:Canvas> > >> >> > >> >> Thanks. > >> > > >> > > >> > > >> > -- > >> > "Therefore, send not to know For whom the bell tolls. It tolls for > >> > thee." > >> > > >> > :: Josh 'G-Funk' McDonald > >> > :: 0437 221 380 :: [EMAIL PROTECTED] <josh%40gfunk007.com> > >> > > > > > > > > > -- > > "Therefore, send not to know For whom the bell tolls. It tolls for thee." > > > > :: Josh 'G-Funk' McDonald > > :: 0437 221 380 :: [EMAIL PROTECTED] <josh%40gfunk007.com> > > > > -- "Therefore, send not to know For whom the bell tolls. It tolls for thee." :: Josh 'G-Funk' McDonald :: 0437 221 380 :: [EMAIL PROTECTED]
