Re: NSTextView - supplying word completions for insertion point?
Re: NSTextView - supplying word completions for insertion point?
- Subject: Re: NSTextView - supplying word completions for insertion point?
- From: Douglas Davidson <email@hidden>
- Date: Tue, 29 Aug 2006 15:27:25 -0700
On Aug 29, 2006, at 1:39 PM, Jim Correia wrote:
I have a text view in for which I'd like to offer a small number of
completions for. I'm currently supplying these via the appropriate
delegate method.
What I would like to do in addition is offer up all of the possibly
completions (there aren't that many) when the user tries to
"complete" an insertion point.
NSTextView appears to go backwards to the next word boundary (over
whitespace) which is undesirable, but a simple override can correct
that.
However, if I return a 0 length range from -rangeForUserCompletion,
the completions are never triggered. The documentation is explicit
that I should "Returning (NSNotFound, 0) suppresses completion."
How can I convince NSTextView that it should offer up a list of
completions for an empty completion range?
You can file a bug requesting a change in behavior, but with the
current implementation I don't see anything short of lying about the
range and then fixing it up again in
insertCompletion:forPartialWordRange:movement:isFinal:. At that
point you might be better off just overriding the whole completion
mechanism, and putting up your own completion window--you might even
be able to find code for this sort of thing floating around.
Douglas Davidson
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