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The source code/* * 01/13/2001 - 13:21:13 * * ScrollUp.java - Scrolls up of a line without changing caret position * Copyright (C) 2001 Romain Guy * romain.guy@jext.org * www.jext.org * * This program 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 2 * of the License, or any later version. * * This program 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package org.jext.textarea; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import org.jext.*; import org.gjt.sp.jedit.textarea.*; public final class ScrollUp extends MenuAction { public ScrollUp() { super("scroll_up"); } public void actionPerformed(ActionEvent evt) { JEditTextArea textArea = getTextArea(evt); if (textArea.getFirstLine() > 0) textArea.setFirstLine(textArea.getFirstLine() - 1); } } // End of ScrollUp.java |
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