Mouse wheel zooming (was Re: Dia: Why is it so hard to do simple things? dia-list Digest, Vol 89, Issue 7)

[Hans Breuer <hans breuer org>]

At 13.09.2011 16:07, Michael Ross wrote:
> I just spent a few hours modeling a test rack in Solidworks.  The roller
> button zoom function is exactly like Dia, which is probably why I find it to
> be a good system.
Now I would like to know which version of Dia you are referring to.
The behaviour of Dia 0.97.1 and before was considered improveable,
so it got changed by https://bugzilla.gnome.org/show_bug.cgi?id=540210

> But significantly the zoom level changes a lot less per
> step making it very useful.
The scaling per step also got smaller by the patch above.

> I never gave this much thought, but I will set
> the cursor off center towards what I want to be centered and I will roll it
> back and forth this has the effect of scooting the view towards the center I
> am after.
So you can probably easily adapt to the improved behaviour, too ;-)

> So then I wonder I can adjust the amount of zoom myself?
Not without compiling Dia yourself. But if you intend to to it look at:
http://git.gnome.org/browse/dia/commit/?id=dc4fccba65a30dec1c81b4506a0f44fb880ceaa4
(Also linked in the bug report mentioned above.)
> I don't use the
> roller button to zoom in Dia as much as I would, and I can't take issue with
> Andrey's comment that the diagram quickly is lost if you are not very
> careful.
Knowing ctrl+E certainly helps. Of course there also it the menu entry 
View/Best Fit.


-------- Hans "at" Breuer "dot" Org -----------
Tell me what you need, and I'll tell you how to
get along without it.                -- Dilbert