| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Red Hat - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.gtk.snippets; |
| |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.browser.Browser; |
| import org.eclipse.swt.browser.BrowserFunction; |
| import org.eclipse.swt.events.MouseAdapter; |
| import org.eclipse.swt.events.MouseEvent; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| public class Bug510972_WinClearedSignal { |
| static int count = 0; |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| final Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| final Button loadNewPage = new Button(shell, SWT.PUSH); |
| final Button execFunc = new Button(shell, SWT.PUSH); |
| final Browser browser = new Browser(shell, SWT.NONE); |
| |
| |
| class CustomFunction extends BrowserFunction { // Note: Local class defined inside method. |
| CustomFunction(Browser browser, String name) { |
| super(browser, name); |
| } |
| |
| @Override |
| public Object function(Object[] arguments) { |
| System.out.println( this.getName() + " called from javascript"); |
| return null; |
| } |
| } |
| new CustomFunction(browser, "callCustomFunction"); |
| |
| // Button |
| loadNewPage.setText("load new page"); |
| loadNewPage.addMouseListener(new MouseAdapter() { |
| @Override |
| public void mouseDown(MouseEvent e) { |
| browser.setText("Count is: " + count++); |
| } |
| }); |
| |
| // Button |
| execFunc.setText("Call java function"); |
| execFunc.addListener(SWT.MouseDown, ev -> { |
| System.out.println("mouse down."); |
| browser.execute("callCustomFunction()"); |
| }); |
| |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| display.dispose(); |
| |
| } |
| |
| } |