// // Copyright (c) 2009, Brian Frank and Andy Frank // Licensed under the Academic Free License version 3.0 // // History: // 29 Mar 09 Brian Frank Creation // using gfx ** ** ScrollBar is used to position a widget too wide or tall to be ** visible at one time. ScrollBars cannot be created directly, ** rather they are accessed widgets which support scrolling via ** 'hbar' and 'vbar'. ** @Js @Serializable class ScrollBar : Widget { ** ** Internal constructor. ** internal new make() {} ** ** Callback when scroll bar value is modified. ** ** Event id fired: ** - `EventId.modified` ** ** Event fields: ** - `Event.data`: new value of scroll bar ** @Transient readonly EventListeners onModify := EventListeners() { it.onModify = |->| { checkModifyListeners } } internal native Void checkModifyListeners() ** ** Horizontal or vertical. ** native Orientation orientation() ** ** The current value of the scroll bar. ** native Int val ** ** The minimum value of the scroll bar. ** native Int min ** ** The maximum value of the scroll bar. ** native Int max ** ** The size of thumb relative to difference between min and max. ** native Int thumb ** ** Page increment size relative to difference between min and max. ** native Int page }