I believe this involves Cocoa Bindings. I used to load lots of text into iOS app using Storyboards and it worked smoothly.
Sent from my iPhone > On Jun 12, 2014, at 6:53, Seth Willits <sli...@araelium.com> wrote: > > > I have two sample projects: one works fine, one does not. Both read a large > (120 MB) file of text into an NSTextStorage, and then display that text > storage in a text view. > > In the "Slow" project, the text view is created in IB and its text storage > object is replaced. Scrolling all the way to the bottom of the text view is > possible, but then it basically locks up indefinitely(?) doing text layout. > It's also possible to lock it up by resizing the text view soon after it > opens. > > In the "Fast" project, the text view, container, and layout manager are all > created manually and hooked together. In this project it works great: no > lockups ever > > As far as I can tell, I've inspected every relevant property I can think of > and the two setups are the same. I haven't a clue what's going on. The only > hint I possibly had was from the docs: "Note that a text view can be resized > based on its text container, and a text container can resize itself based on > its text view. If you set both objects up to resize automatically in the same > dimension, your application can get trapped in an infinite loop." Except that > I checked this, and those conditions aren't met so it shouldn't be this. > > > I challenge(!!) any of you to figure this out. ;-) > > Projects (and test file): > http://www.sethwillits.com/temp/TextDocumentTest.zip (700 KB) > > Demo: (Note at 23 seconds in, the app has locked up — pinwheels aren't > visible in screen recordings) > http://www.sethwillits.com/temp/SlowTextSystemDemo.mov > > > -- > Seth Willits > > > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > 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/xcvista%40me.com > > This email sent to xcvi...@me.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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 arch...@mail-archive.com
