(glgui-numberwheel g x y w h vmin vmax icon coloricon colorvalue colorshade font1 font2 icon2 . steps)

glgui-numberwheel creates a horizontal oriented number wheel widget. steps can be a list specifying strings to be drawn on the wheel or textures to be displayed on the wheel (for using icons). Also see (glgui-verticalnumberwheel) for the vertical version.

Parameter	Description
g	Graphical User Interface (GUI) for this widget
x	Lower left corner along the x-axis in pixels
y	Lower left corner along the y-axis in pixels
w	Width of the element in pixels
h	Height of the element in pixels
vmin	The minimum value in the number wheel. If steps is a list of strings or textures, this parameter is not used.
vmax	The maximum value in the number wheel. If steps is a list of strings or textures, this parameter is not used.
icon	Icon pixmap for the number wheel (to the left of the wheel)
coloricon	Color for the number wheel icon image
colorvalue	Color of the selected value in the wheel
colorshade	Wheel background color shade
font1	Font for the larger selected value
font2	Font for the smaller unselected values
icon2	Second icon pixmap for the number wheel (to the right of the wheel)
steps	Optional: Step size or values of steps, this is the step-size between adjacent values in the wheel, OR this is a list specifying strings to be drawn on the wheel or textures to be displayed on the wheel (for using icons).

Example

Example1: Create a number wheel in @code{gui} with x=50, y=50, width=160, and height=30. The number wheel should range from 1 - 10.

(set! num.txt (list "1" "2" "3" "4" "5" "6" "7" "8" "9" "10"))
(glgui-numberwheel gui 50 50 160 30 1 10 
  #f White Black (color-shade White 0.5) 
  num_32.fnt num_24.fnt #f num.txt)