| /******************************************************************************* |
| * 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.layout.FillLayout; |
| 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.TreeItem; |
| |
| public class Bug494619TreeDefaultSelectionEvent { |
| public static void main(String[] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| final Tree tree = new Tree(shell, SWT.BORDER); |
| for (int i = 0; i < 4; i++) { |
| TreeItem iItem = new TreeItem(tree, 0); |
| iItem.setText("TreeItem (0) -" + i); |
| for (int j = 0; j < 4; j++) { |
| TreeItem jItem = new TreeItem(iItem, 0); |
| jItem.setText("TreeItem (1) -" + j); |
| for (int k = 0; k < 4; k++) { |
| TreeItem kItem = new TreeItem(jItem, 0); |
| kItem.setText("TreeItem (2) -" + k); |
| for (int l = 0; l < 4; l++) { |
| TreeItem lItem = new TreeItem(kItem, 0); |
| lItem.setText("TreeItem (3) -" + l); |
| } |
| } |
| } |
| } |
| |
| tree.addListener(SWT.KeyDown, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| //32 in hex = 0x20 - space |
| //13 in hex = 0xD - enter. |
| if (event.keyCode == 0x20 && (event.stateMask & SWT.MODIFIER_MASK) == 0) { |
| System.out.println("KeyDown event. Handle space"); |
| event.doit = true; |
| } else if (event.keyCode == 0xD && (event.stateMask & SWT.MODIFIER_MASK) == 0) { |
| System.out.println("KeyDown event. Handle enter"); |
| } |
| } |
| }); |
| tree.addListener(SWT.DefaultSelection, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| |
| System.out.println(event.keyCode); |
| System.out.println("Default Selection event. Handle enter or double-click"); |
| } |
| }); |
| |
| shell.setSize(200, 200); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) { |
| display.sleep(); |
| } |
| } |
| display.dispose(); |
| } |
| } |