Re: Live resize bug in NSTextView? (quick follow up)
Re: Live resize bug in NSTextView? (quick follow up)
- Subject: Re: Live resize bug in NSTextView? (quick follow up)
- From: Keith Blount <email@hidden>
- Date: Thu, 17 Feb 2005 15:13:01 -0800 (PST)
- Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys
Many thanks for your swift and helpful reply (again).
I have implemented your method in my NSTextView
subclass instead of the -inLiveResize override that I
was using (which probably resulted in posting two
notifications when under 10,000 characters now that I
think about it).
It's good to know that I was on the right track and
that this is the correct way to fix my problem - it
has held me up for weeks.
Many thanks again,
Keith
--- Douglas Davidson <email@hidden> wrote:
> On 2005-02-17 14:35:50 -0800 Keith Blount
> <email@hidden>
> wrote:
>
> > Just a quick follow up - after testing, it seems
> that
> > live resize stops posting
> > NSViewFrameDidChangeNotification in NSTextView
> once
> > there are 10,000 characters or more in the text
> view
> > and the scrollview is not at the top of the view.
> My
> > guess is therefore that this is not a bug but
> intended
> > as an optimisation, so that live resize doesn't
> slow
> > things down too much... But if so, there must be a
> > method in NSText, NSTextView, NSTextStorage or
> > NSTextContainer somewhere that can alter this
> figure,
> > though I can't find it. Am I missing something
> > obvious?
>
> To alter this behavior, implement something like the
> following on your
> NSTextView subclass:
>
> - (void)viewWillStartLiveResize {
> BOOL wasPosting = [self
> postsFrameChangedNotifications];
> [super viewWillStartLiveResize];
> if (wasPosting && <insert logic of your own
> here to determine
> whether you want live relayout>) {
> [self
> setPostsFrameChangedNotifications:YES];
> }
> }
>
> Alternatively, you can use viewWillStartLiveResize,
> viewDidEndLiveResize, and inLiveResize to delay the
> relayout of your
> additional objects until live resize has finished.
>
> Douglas Davidson
>
>
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