Function File: output = zenity_scale(title,text, value, minval, maxval,step,print_partial,hideval)
Displays a selection scale (range widget) window. Allows the user to choose a parameter within the set ranges, and sets default value, and step sizes. The variable title sets the title of the window. The variable text sets the label of the range widget. The other arguments value, minval,maxval, step, print_partial, and hideval. The range widget can be used to select anywhere from minval to maxval values in increments of step. The variable print_partial and hideval are boolean flags to partial and hidden views of the value on the range widget. The first 3 parameters are essential, while the remaining parameters minval, maxval,step,print_partial,hideval if not specified take on default values of 0,100,1,false,false respectively.