1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package hello; 27 28 import javafx.application.Application; 29 import javafx.geometry.Insets; 30 import javafx.scene.Scene; 31 import javafx.scene.control.ToggleButton; 32 import javafx.scene.control.ToggleGroup; 33 import javafx.scene.layout.VBox; 34 import javafx.stage.Stage; 35 36 import com.sun.javafx.application.PlatformImpl; 37 import com.sun.javafx.css.StyleManager; 38 39 public class HelloHighContrast extends Application { 40 41 public static void main(String[] args) { 42 Application.launch(args); 43 } 44 45 @Override public void start(Stage stage) { 46 final ToggleGroup group = new ToggleGroup(); 47 group.selectedToggleProperty().addListener(ov -> { 48 String userData = (String) (group.getSelectedToggle() != null ? group.getSelectedToggle().getUserData() : null); 49 if (userData != null) { 50 System.setProperty("com.sun.javafx.highContrastTheme", userData); 51 } else { 52 System.clearProperty("com.sun.javafx.highContrastTheme"); 53 } 54 PlatformImpl.setAccessibilityTheme(null); // Reads the system property 55 }); 56 57 ToggleButton disableHighContrast = new ToggleButton("Disable High Contrast"); 58 disableHighContrast.setMaxWidth(Double.MAX_VALUE); 59 disableHighContrast.setUserData(null); 60 disableHighContrast.setToggleGroup(group); 61 disableHighContrast.setSelected(true); 62 63 ToggleButton whiteOnBlackBtn = new ToggleButton("White on black"); 64 whiteOnBlackBtn.setMaxWidth(Double.MAX_VALUE); 65 whiteOnBlackBtn.setUserData("WHITEONBLACK"); 66 whiteOnBlackBtn.setToggleGroup(group); 67 68 ToggleButton blackOnWhiteBtn = new ToggleButton("Black on white"); 69 blackOnWhiteBtn.setMaxWidth(Double.MAX_VALUE); 70 blackOnWhiteBtn.setUserData("BLACKONWHITE"); 71 blackOnWhiteBtn.setToggleGroup(group); 72 73 ToggleButton yellowOnBlackBtn = new ToggleButton("Yellow on black"); 74 yellowOnBlackBtn.setMaxWidth(Double.MAX_VALUE); 75 yellowOnBlackBtn.setUserData("YELLOWONBLACK"); 76 yellowOnBlackBtn.setToggleGroup(group); 77 78 VBox vbox = new VBox(10, disableHighContrast, whiteOnBlackBtn, blackOnWhiteBtn, yellowOnBlackBtn); 79 vbox.setPadding(new Insets(10)); 80 81 Scene scene = new Scene(vbox); 82 83 stage.setScene(scene); 84 stage.setWidth(200); 85 stage.setHeight(200); 86 stage.show(); 87 } 88 }