Re: misc. properties
- From: Tim Janik <timj gtk org>
- To: jacob berkman <jacob ximian com>
- Cc: Havoc Pennington <hp redhat com>, Alex Larsson <alexl redhat com>, Gtk+ Developers <gtk-devel-list gnome org>
- Subject: Re: misc. properties
- Date: Sat, 3 Nov 2001 00:45:02 +0100 (CET)
On 2 Nov 2001, jacob berkman wrote:
> On Fri, 2001-11-02 at 15:05, Havoc Pennington wrote:
> >
> > My main worry is that we add the extra notify signal on all buffer
> > changes, and also connect a handler from view to the buffer's
> > "changed" signal (having a handler immediately slows things down). So
> > that's a bit of overhead added to every buffer mutation.
>
> there is only a notify when it is changed via the property, right?
no, if change notification doesn't occour everytime the contents actually
changed, your code is buggy. that is, for any situation where
g_object_get(o,"Prop",&X,NULL);
[...]
g_object_get(o,"Prop",&Y,NULL);
it's true that X!=Y, you either should have gotten notification before
getting Y, or changed ontification should be pending, regardless of
how/what caused the property to change.
note also that it is _not_ an error to receive change notification, even
if X==Y.
>
> jacob
---
ciaoTJ
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