Ext.define('Ext.rtl.button.Button', { override: 'Ext.button.Button', getBtnWrapFrameWidth: function(side) { if (this.getHierarchyState().rtl && side === 'r') { side = 'l'; } return this.callParent(arguments); }, getTriggerRegion: function() { var me = this, region = me._triggerRegion; if (!Ext.rootHierarchyState.rtl !== !this.getHierarchyState().rtl && me.arrowAlign === 'right') { region.begin = 0; region.end = me.getTriggerSize(); } else { region = me.callParent(); } return region; } });