[Libreoffice-ux-advise] [PATCH] Mouse centered zooming for Impress/Draw concept

[Tim Hardeck]

Hi Stefan,

thanks for the video and yes I think I know what you mean, but this
looks like the typical rendering behavior although I am unable to see
the right scroll bar.

The mouse centered zooming can't move any further if the scroll bars
have reached the the end but of course the zooming does still continue
so the document is moved around.
It is not so easily reproducible with Vanilla LO because Draw and
Impress center the screen during zooming.

Of course this behavior could be changed by increasing the gray area
around the document but I don't think that this would be helpful for the
user.

I have integrated mouse centered zooming for Writer and the issue is a
little worse because there is nearly no area around the document so you
hit the corner very fast which, if reversed, moves the view far away
from the starting point but this is just a question of usage I suppose.
As soon as the user reaches their desired target location they are
supposed to move the mouse to the center again.

As soon as I have integrated the centered zooming for Calc, which seems
to have quite different alignment methods, I am sending another patch
for testing.

Regards
Tim


On 03/09/2012 01:43 PM, Stefan Knorr (Astron) wrote:
> Hi Tim,
> 
>> As soon as the document is so small that it fits the window area there
>> is no need to to go further to one corner that's why the document is
>> centered below a certain zoom value I suppose.
> 
> I don't mind it being centred at the end. What I mind is that the
> viewport moves from one corner to the other.
> I've made a short screencast which hopefully makes my problem clearer, see here:
> https://rapidshare.com/files/2925719977/mousecentredzoom-problem.ogv
> (Sorry for using Rapidshare.)
> 
> 
> Astron.


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