Not perfect: the focus can end up in the wrong place afterwards. Could
be fixed for moving by warping the pointer -- except if the window isn't
at the top of the z-order. Oh, well.
KeyDown S5 Down area move 0 1
KeyDown S5 Left area move -1 0
KeyDown S5 Right area move 1 0
KeyDown S5 Down area move 0 1
KeyDown S5 Left area move -1 0
KeyDown S5 Right area move 1 0
+KeyDown 5 Up wop * mr 0 -15
+KeyDown 5 Down wop * mr 0 +15
+KeyDown 5 Left wop * mr -15 0
+KeyDown 5 Right wop * mr +15 0
+KeyDown SC5 Up wop * sr 0 -15
+KeyDown SC5 Down wop * sr 0 +15
+KeyDown SC5 Left wop * sr -15 0
+KeyDown SC5 Right wop * sr +15 0