e.g.
hold middle click to pan map mbutton3 tool pan
use eraser on right click map/normal mbutton2 :brush/set erase {:brush/unset erase}
use accelerator buttons on gaming / special mice map mbutton8 :v/prev, map mbutton9 :v/next
extra:
draw with / use bg color on right mouse button down
e.g. hold middle click to pan
map mbutton3 tool panuse eraser on right clickmap/normal mbutton2 :brush/set erase {:brush/unset erase}use accelerator buttons on gaming / special micemap mbutton8 :v/prev,map mbutton9 :v/nextextra: draw with / use bg color on right mouse button down