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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* Create two ScrolledComposites that scroll in tandem.
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet167 {
public static void main (String [] args) {
Display display = new Display ();
Shell shell = new Shell (display);
shell.setLayout(new FillLayout());
final ScrolledComposite sc1 = new ScrolledComposite (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
Button button1 = new Button (sc1, SWT.PUSH);
button1.setText ("Button 1");
button1.setSize (400, 300);
sc1.setContent (button1);
final ScrolledComposite sc2 = new ScrolledComposite (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
Button button2 = new Button(sc2, SWT.PUSH);
button2.setText ("Button 2");
button2.setSize (300, 400);
sc2.setContent (button2);
final ScrollBar vBar1 = sc1.getVerticalBar ();
final ScrollBar vBar2 = sc2.getVerticalBar ();
final ScrollBar hBar1 = sc1.getHorizontalBar ();
final ScrollBar hBar2 = sc2.getHorizontalBar ();
SelectionListener listener1 = new SelectionAdapter () {
public void widgetSelected (SelectionEvent e) {
int x = hBar1.getSelection() * (hBar2.getMaximum() - hBar2.getThumb()) / Math.max(1, hBar1.getMaximum() - hBar1.getThumb());
int y = vBar1.getSelection() * (vBar2.getMaximum() - vBar2.getThumb()) / Math.max(1, vBar1.getMaximum() - vBar1.getThumb());
sc2.setOrigin (x, y);
}
};
SelectionListener listener2 = new SelectionAdapter () {
public void widgetSelected (SelectionEvent e) {
int x = hBar2.getSelection() * (hBar1.getMaximum() - hBar1.getThumb()) / Math.max(1, hBar2.getMaximum() - hBar2.getThumb());
int y = vBar2.getSelection() * (vBar1.getMaximum() - vBar1.getThumb()) / Math.max(1, vBar2.getMaximum() - vBar2.getThumb());
sc1.setOrigin (x, y);
}
};
vBar1.addSelectionListener (listener1);
hBar1.addSelectionListener (listener1);
vBar2.addSelectionListener (listener2);
hBar2.addSelectionListener (listener2);
shell.setSize (400, 300);
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
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