New version of the patch:
http://dimula73.narod.ru/coordinates_refactor_v9.patch

The pan tool is finished:
1) It can rotate the canvas, just select the tool and press "Shift" key
2) It can reset canvas transformations as well, just press "Shift" and click on the circle in the middle of the screen
3) And no duplications with the Koffice-wide tool now

--
Dmitry Kazakov