(glgui-screenindicator g x y w h c)

glgui-screenindicator plots a screen indicator centered in the rectangle specified (without callback)

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
c	Color, with which the screen indicator circles is filled

Example

Example 1: Draw a white screen indicator at x=0, y=20, which is screen-wide and 20px hight then make it mark the 2nd element of a 5 element indicator

(set! si (glgui-screenindicator gui 0 20 (glgui-width-get) 20 White))
(glgui-widget-set! gui si 'idx 2)
(glgui-widget-set! gui si 'screens 5)