| /******************************************************************************* |
| * Copyright (c) 2015, 2016 Red Hat Inc. |
| * |
| * 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 Inc - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| import java.util.concurrent.atomic.*; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| /** |
| * Buttons with various arrows and methods that affect arrow directions. |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| */ |
| public class Snippet366 { |
| static Display display; |
| static Shell shell; |
| |
| public static void main (String [] args) { |
| display = new Display(); |
| shell = new Shell(display); |
| shell.setText("Snippet 366"); |
| shell.setLayout (new RowLayout ()); |
| |
| makeArrowGroup (); |
| makeAlignGroup (); |
| makeOrientationGroup (); |
| |
| shell.pack (); |
| shell.open (); |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) |
| display.sleep (); |
| } |
| display.dispose (); |
| } |
| |
| private static void makeOrientationGroup () { |
| Group orientationGroup = new Group (shell, SWT.None); |
| orientationGroup.setLayout (new RowLayout ()); |
| orientationGroup.setText ("Orientation group"); |
| |
| final AtomicInteger prevDir = new AtomicInteger (0); |
| final Button alignmentButton = new Button (orientationGroup, SWT.ARROW | SWT.RIGHT); |
| alignmentButton.addListener (SWT.MouseDown, event -> { |
| switch (prevDir.get ()) { |
| case 0: |
| alignmentButton.setOrientation (SWT.LEFT_TO_RIGHT); |
| prevDir.set (1); |
| break; |
| case 1: |
| alignmentButton.setOrientation (SWT.RIGHT_TO_LEFT); |
| prevDir.set (0); |
| break; |
| default: |
| break; |
| } |
| }); |
| } |
| |
| private static void makeAlignGroup () { |
| Group alignGroup = new Group (shell, SWT.None); |
| alignGroup.setLayout (new RowLayout ()); |
| alignGroup.setText ("Alignment group"); |
| |
| final AtomicInteger prevDir = new AtomicInteger (0); |
| final Button alignmentButton = new Button (alignGroup, SWT.ARROW | SWT.UP); |
| alignmentButton.addListener (SWT.MouseDown, event -> { |
| switch (prevDir.get ()) { |
| case 0: |
| alignmentButton.setAlignment (SWT.RIGHT); |
| prevDir.set (1); |
| break; |
| case 1: |
| alignmentButton.setAlignment (SWT.DOWN); |
| prevDir.set (2); |
| break; |
| case 2: |
| alignmentButton.setAlignment (SWT.LEFT); |
| prevDir.set (3); |
| break; |
| case 3: |
| alignmentButton.setAlignment (SWT.UP); |
| prevDir.set (0); |
| default: |
| break; |
| } |
| }); |
| } |
| |
| private static void makeArrowGroup () { |
| Group arrowGroup = new Group(shell, SWT.None); |
| arrowGroup.setText ("Arrow group"); |
| arrowGroup.setLayout (new RowLayout ()); |
| |
| new Button (arrowGroup, SWT.ARROW | SWT.LEFT); |
| new Button (arrowGroup, SWT.ARROW | SWT.RIGHT); |
| new Button (arrowGroup, SWT.ARROW | SWT.UP); |
| new Button (arrowGroup, SWT.ARROW | SWT.DOWN); |
| } |
| } |