| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Red Hat - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.gtk.snippets; |
| |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeColumn; |
| import org.eclipse.swt.widgets.TreeItem; |
| |
| public class Bug133037_TreeWarnings { |
| |
| public static void main(String[] args) { |
| final Display display = new Display(); |
| final Shell shell = new Shell(display); |
| shell.setBounds(10, 10, 200, 200); |
| final Tree tree = new Tree(shell, SWT.NONE); |
| tree.setBounds(10,10,150,150); |
| tree.addListener(SWT.MeasureItem, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| new TreeColumn(tree, SWT.NONE).setWidth(100); |
| new TreeItem(tree, SWT.NONE); |
| } |
| }); |
| new TreeItem(tree, SWT.NONE); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| display.dispose(); |
| } |
| } |