Hello Rimas,
I am trying to implement editable text view which changes text position (paragraphs positions, to be exact) according to the some text attributes. I know, that NSTextContainer is responsible for line rects calculation when text should be placed in known shape. Is it responsible for this when position depends on text attributes also?
The text container isn't really responsible for that. It's job is to merely define the geometric space available for text. I would expect you'll find it easier to override NSTypesetter's "willSetLineFragmentRect:forGlyphRange:etc:" method.
Another thing I'd like to ask, is where should I adjust text view/ text container size if this is necessary while typing? I have tried to do this after getting NSTextStorageDidProcessEditingNotification notification. But that raises an exception:
NSLayoutManager is touchy about changing NSTextContainer geometry during layout, but I would expect it to be safe to do so in response to that notification. Are you perhaps altering the contents of your NSTextStorage in response to layout events/notifications? Can you post the full stack backtrace for the exception?
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