Mega Code Archive
Sash
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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;
/*
* Sash example snippet: implement a simple splitter (with a 20 pixel limit)
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Sash;
import org.eclipse.swt.widgets.Shell;
public class Splitter20PixelLimit {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
Button button1 = new Button(shell, SWT.PUSH);
button1.setText("Button 1");
final Sash sash = new Sash(shell, SWT.VERTICAL);
Button button2 = new Button(shell, SWT.PUSH);
button2.setText("Button 2");
final FormLayout form = new FormLayout();
shell.setLayout(form);
FormData button1Data = new FormData();
button1Data.left = new FormAttachment(0, 0);
button1Data.right = new FormAttachment(sash, 0);
button1Data.top = new FormAttachment(0, 0);
button1Data.bottom = new FormAttachment(100, 0);
button1.setLayoutData(button1Data);
final int limit = 20, percent = 50;
final FormData sashData = new FormData();
sashData.left = new FormAttachment(percent, 0);
sashData.top = new FormAttachment(0, 0);
sashData.bottom = new FormAttachment(100, 0);
sash.setLayoutData(sashData);
sash.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
Rectangle sashRect = sash.getBounds();
Rectangle shellRect = shell.getClientArea();
int right = shellRect.width - sashRect.width - limit;
e.x = Math.max(Math.min(e.x, right), limit);
if (e.x != sashRect.x) {
sashData.left = new FormAttachment(0, e.x);
shell.layout();
}
}
});
FormData button2Data = new FormData();
button2Data.left = new FormAttachment(sash, 0);
button2Data.right = new FormAttachment(100, 0);
button2Data.top = new FormAttachment(0, 0);
button2Data.bottom = new FormAttachment(100, 0);
button2.setLayoutData(button2Data);
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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