| /******************************************************************************* |
| * Copyright (c) 2012, 2017 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; |
| |
| /* |
| * Browser example snippet: listen for DOM mousedown events with javascript (improved |
| * implementation for Eclipse/SWT 3.5 and newer). |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.browser.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet362 { |
| |
| public static void main(String [] args) { |
| final String SCRIPT = "document.onmousedown = function(e) {if (!e) {e = window.event;} if (e) {mouseDownHappened(e.clientX, e.clientY);}}"; |
| Display display = new Display(); |
| final Shell shell = new Shell(display); |
| shell.setText("Snippet 362"); |
| shell.setLayout(new FillLayout()); |
| final Browser browser; |
| try { |
| browser = new Browser(shell, SWT.NONE); |
| } catch (SWTError e) { |
| System.out.println("Could not instantiate Browser: " + e.getMessage()); |
| display.dispose(); |
| return; |
| } |
| browser.addProgressListener(ProgressListener.completedAdapter(event -> { |
| final BrowserFunction function = new CustomFunction(browser, "mouseDownHappened"); |
| browser.execute(SCRIPT); |
| browser.addLocationListener(new LocationAdapter() { |
| @Override |
| public void changed(LocationEvent event) { |
| browser.removeLocationListener(this); |
| function.dispose(); |
| } |
| }); |
| })); |
| |
| browser.setUrl("eclipse.org"); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) display.sleep(); |
| } |
| display.dispose(); |
| } |
| |
| static class CustomFunction extends BrowserFunction { |
| CustomFunction (Browser browser, String name) { |
| super (browser, name); |
| } |
| @Override |
| public Object function (Object[] arguments) { |
| System.out.println ("mouseDown: " + ((Number)arguments[0]).intValue() + "," + ((Number)arguments[1]).intValue()); |
| return null; |
| } |
| } |
| } |