http://www.jexp.ru/index.php?action=history&feed=atom&title=Java_Tutorial%2FSWT%2FScrollBar_Event 2026-04-21T14:06:08Z История изменений этой страницы в вики MediaWiki 1.30.0 http://www.jexp.ru/index.php?title=Java_Tutorial/SWT/ScrollBar_Event&diff=3083&oldid=prev 2010-05-31T17:44:26Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:44, 31 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://www.jexp.ru/index.php?title=Java_Tutorial/SWT/ScrollBar_Event&diff=3084&oldid=prev 2010-05-31T15:20:26Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>== Add Selection Listener to ScrollBar ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> /*******************************************************************************<br /> * Copyright (c) 2000, 2004 IBM Corporation and others.<br /> * All rights reserved. This program and the accompanying materials<br /> * are made available under the terms of the Eclipse Public License v1.0<br /> * which accompanies this distribution, and is available at<br /> * http://www.eclipse.org/legal/epl-v10.html<br /> *<br /> * Contributors:<br /> * IBM Corporation - initial API and implementation<br /> *******************************************************************************/<br /> //package org.eclipse.swt.snippets;<br /> /*<br /> * Create two ScrolledComposites that scroll in tandem.<br /> *<br /> * For a list of all SWT example snippets see<br /> * http://www.eclipse.org/swt/snippets/<br /> */<br /> import org.eclipse.swt.SWT;<br /> import org.eclipse.swt.custom.ScrolledComposite;<br /> import org.eclipse.swt.events.SelectionAdapter;<br /> import org.eclipse.swt.events.SelectionEvent;<br /> import org.eclipse.swt.events.SelectionListener;<br /> import org.eclipse.swt.layout.FillLayout;<br /> import org.eclipse.swt.widgets.Button;<br /> import org.eclipse.swt.widgets.Display;<br /> import org.eclipse.swt.widgets.ScrollBar;<br /> import org.eclipse.swt.widgets.Shell;<br /> public class ScrollBarSelectionListener {<br /> public static void main(String[] args) {<br /> Display display = new Display();<br /> Shell shell = new Shell(display);<br /> shell.setLayout(new FillLayout());<br /> final ScrolledComposite sc1 = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL<br /> | SWT.V_SCROLL);<br /> Button button1 = new Button(sc1, SWT.PUSH);<br /> button1.setText(&quot;Button 1&quot;);<br /> button1.setSize(400, 300);<br /> sc1.setContent(button1);<br /> final ScrolledComposite sc2 = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL<br /> | SWT.V_SCROLL);<br /> Button button2 = new Button(sc2, SWT.PUSH);<br /> button2.setText(&quot;Button 2&quot;);<br /> button2.setSize(300, 400);<br /> sc2.setContent(button2);<br /> final ScrollBar vBar1 = sc1.getVerticalBar();<br /> final ScrollBar vBar2 = sc2.getVerticalBar();<br /> final ScrollBar hBar1 = sc1.getHorizontalBar();<br /> final ScrollBar hBar2 = sc2.getHorizontalBar();<br /> SelectionListener listener1 = new SelectionAdapter() {<br /> public void widgetSelected(SelectionEvent e) {<br /> int x = hBar1.getSelection() * (hBar2.getMaximum() - hBar2.getThumb())<br /> / Math.max(1, hBar1.getMaximum() - hBar1.getThumb());<br /> int y = vBar1.getSelection() * (vBar2.getMaximum() - vBar2.getThumb())<br /> / Math.max(1, vBar1.getMaximum() - vBar1.getThumb());<br /> sc2.setOrigin(x, y);<br /> }<br /> };<br /> SelectionListener listener2 = new SelectionAdapter() {<br /> public void widgetSelected(SelectionEvent e) {<br /> int x = hBar2.getSelection() * (hBar1.getMaximum() - hBar1.getThumb())<br /> / Math.max(1, hBar2.getMaximum() - hBar2.getThumb());<br /> int y = vBar2.getSelection() * (vBar1.getMaximum() - vBar1.getThumb())<br /> / Math.max(1, vBar2.getMaximum() - vBar2.getThumb());<br /> sc1.setOrigin(x, y);<br /> }<br /> };<br /> vBar1.addSelectionListener(listener1);<br /> hBar1.addSelectionListener(listener1);<br /> vBar2.addSelectionListener(listener2);<br /> hBar2.addSelectionListener(listener2);<br /> shell.setSize(400, 300);<br /> shell.open();<br /> while (!shell.isDisposed()) {<br /> if (!display.readAndDispatch())<br /> display.sleep();<br /> }<br /> display.dispose();<br /> }<br /> }&lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>

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