| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| /* |
| * Control example snippet: print mouse state and button (down, move, up) |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| * |
| * @since 3.1 |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet62 { |
| |
| static String stateMask (int stateMask) { |
| String string = ""; |
| if ((stateMask & SWT.CTRL) != 0) string += " CTRL"; |
| if ((stateMask & SWT.ALT) != 0) string += " ALT"; |
| if ((stateMask & SWT.SHIFT) != 0) string += " SHIFT"; |
| if ((stateMask & SWT.COMMAND) != 0) string += " COMMAND"; |
| return string; |
| } |
| |
| public static void main (String [] args) { |
| Display display = new Display (); |
| final Shell shell = new Shell (display); |
| shell.setText("Snippet 62"); |
| Listener listener = e -> { |
| String string = "Unknown"; |
| switch (e.type) { |
| case SWT.MouseDown: string = "DOWN"; break; |
| case SWT.MouseMove: string = "MOVE"; break; |
| case SWT.MouseUp: string = "UP"; break; |
| } |
| string +=": button: " + e.button + ", "; |
| string += "stateMask=0x" + Integer.toHexString (e.stateMask) + stateMask (e.stateMask) + ", x=" + e.x + ", y=" + e.y; |
| if ((e.stateMask & SWT.BUTTON1) != 0) string += " BUTTON1"; |
| if ((e.stateMask & SWT.BUTTON2) != 0) string += " BUTTON2"; |
| if ((e.stateMask & SWT.BUTTON3) != 0) string += " BUTTON3"; |
| if ((e.stateMask & SWT.BUTTON4) != 0) string += " BUTTON4"; |
| if ((e.stateMask & SWT.BUTTON5) != 0) string += " BUTTON5"; |
| System.out.println (string); |
| }; |
| shell.addListener (SWT.MouseDown, listener); |
| shell.addListener (SWT.MouseMove, listener); |
| shell.addListener (SWT.MouseUp, listener); |
| shell.pack (); |
| shell.open (); |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| display.dispose (); |
| } |
| } |