A Scale widget lets the user select a numerical value by moving a slider along a trough. It can be oriented vertically or horizontally and can optionally display a label and the current value. Inherits from Widget.
Return a string describing the part of the scale at the pixel coordinates x, y: 'slider', 'trough1' (the part of the trough above or to the left of the slider), 'trough2' (below or to the right of th…