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

Stefan Knorr (Astron) heinzlesspam at googlemail.com
Fri Feb 24 12:45:47 PST 2012

Hi Tim,

I have just played around with the behaviour you implemented. Often it
works quite well, but sometimes it does something I find quite odd. It
can be reproduced this way:
* open Draw
* draw a few large-ish shapes (e.g. one for every corner of the
document), so you can see where you are moving
* now centre the mouse over the page and start to zoom in, to ~150%
* move the mouse into the direction of one of the corners (I usually
use the bottom left), and zoom in further from there, to ~500%
* keep the mouse where it is, and zoom out

While zooming out, you'll notice that the document is moving under the
mouse pointer, so initially you move towards the (diagonally) opposing
corner, the corner often even comes into view, and only then you move
back to the centre of the document.


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