Here you can find the source of setCaretUpdateEnabled(JTextComponent comp, boolean updateEnabled)
public static void setCaretUpdateEnabled(JTextComponent comp, boolean updateEnabled)
//package com.java2s; /************************************************************************** OmegaT - Computer Assisted Translation (CAT) tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects. /*from w ww. j a v a2s . co m*/ Copyright (C) 2006 Henry Pijffers 2013 Yu Tang 2014-2015 Aaron Madlon-Kay Home page: http://www.omegat.org/ Support center: http://groups.yahoo.com/group/OmegaT/ This file is part of OmegaT. OmegaT is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. OmegaT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. **************************************************************************/ import javax.swing.text.Caret; import javax.swing.text.DefaultCaret; import javax.swing.text.JTextComponent; public class Main { public static void setCaretUpdateEnabled(JTextComponent comp, boolean updateEnabled) { Caret caret = comp.getCaret(); if (caret instanceof DefaultCaret) { ((DefaultCaret) caret) .setUpdatePolicy(updateEnabled ? DefaultCaret.UPDATE_WHEN_ON_EDT : DefaultCaret.NEVER_UPDATE); } } }