====== behavior: slider ======

Implementation of the slider input element.

{{ h-smile:built-in-behaviors:slider.png }}


===== Elements =====
that have this behavior applied by default:

    *  ''<input type="hslider">'' - horizontal slider, inline block;
    *  ''<widget type="hslider">'' - horizontal slider, block;
    *  ''<input type="vslider">'' - vertical slider, inline block;
    *  ''<widget type="vslider">'' - vertical slider, block;

===== Attributes =====
that this behavior knows about:
    *  ''value'' - integer, intital value. 
    *  ''min'' - integer, minmum value. 
    *  ''max'' - integer, maximum value. 
    *  ''step'' - integer, optional (default=1), step value. 
    *  ''buddy'' - string, id of buddy element that recives string representation of the value when value is changed. 
    

===== Events =====
    *  BUTTON_STATE_CHANGED event - value has changed by the user.
    *  BUTTON_CLICK event - the user has finished selection (e.g. on MOUSE_UP).

===== Value =====
type json::value::V_INT, reflects current value of the slider.