LEFT ALT + MID MOUSE: UV & 3D -> translate

LEFT ALT + LEFT MOUSE: UV -> - 3D -> rotate

LEFT SHIFT + LEFT MOUSE UV & 3D -> more separation weight (red)

LEFT SHIFT + LEFT MOUSE UV & 3D -> less separation weight (blue)

LEFT SHIFT + MID MOUSE UV & 3D -> remove any color and set weight to 0 (white)

LEFT SHIFT + MOUSE SCROLL UV & 3D -> Smaller/Larger intersection circle

LEFT CTRL + CLICK LEFT MOUSE UV -> Fix/release constraint (green)

LEFT MOUSE (DOWN/DRAG) UV -> ADD/UPDATE constraint (blue)

LEFT MOUSE UP UV -> RELEASE constraint

(should not be needed with proper painting)

TAB + LEFT MOUSE UV & 3D -> Remove separation influence (green)

TAB + RIGHT MOUSE UV & 3D -> Higher separation influence (cyan)