1 /*
2 * Copyright (c) 2018, 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 test.javafx.stage;
27
28 import java.util.TimerTask;
29 import java.util.Timer;
30 import java.util.concurrent.CountDownLatch;
31 import java.util.concurrent.TimeUnit;
32
33 import javafx.application.Application;
34 import javafx.application.Platform;
35 import javafx.beans.value.ChangeListener;
36 import javafx.beans.value.ObservableValue;
37 import javafx.geometry.Rectangle2D;
38 import javafx.scene.Scene;
39 import javafx.scene.control.Label;
40 import javafx.stage.Screen;
41 import javafx.stage.Stage;
42
43 import javafx.stage.Window;
44 import org.junit.BeforeClass;
45 import org.junit.Test;
46
47 import static junit.framework.Assert.assertTrue;
48 import static org.junit.Assert.fail;
49
50 public class ChildStageLocationTest {
51 static CountDownLatch startupLatch;
52 static Timer timer;
53 static Runnable runNext;
54 static volatile Stage stage;
55 static volatile Stage childStage;
56 static double x, y;
57
58 public static void main(String[] args) {
59 initFX();
60 new ChildStageLocationTest().testLocation();
61 }
62
63 @BeforeClass
64 public static void initFX() {
65 startupLatch = new CountDownLatch(1);
66 new Thread(() -> Application.launch(TestApp.class, (String[])null)).start();
67 try {
68 if (!startupLatch.await(15, TimeUnit.SECONDS)) {
69 fail("Timeout waiting for FX runtime to start");
70 }
71 } catch (InterruptedException ex) {
72 fail("Unexpected exception: " + ex);
73 }
74 }
75
76 @Test
77 public void testLocation() {
78 Rectangle2D bounds = Screen.getPrimary().getVisualBounds();
79 Window window = stage.getScene().getWindow();
80 double minX = bounds.getMinX() + (bounds.getWidth() - window.getWidth())/2 - 50;
81 double minY = bounds.getMinY() + (bounds.getHeight() - window.getHeight())/3 - 100;
82 System.out.println("Primary stage location: " + stage.getX() + " " + stage.getY());
83 assertTrue("Primary stage X location should be >" + minX, stage.getX() > minX);
84 assertTrue("Primary stage Y location should be >" + minY, stage.getY() > minY);
85
86 window = childStage.getScene().getWindow();
87 minX = bounds.getMinX() + (bounds.getWidth() - window.getWidth())/2 - 50;
88 minY = bounds.getMinY() + (bounds.getHeight() - window.getHeight())/3 - 100;
89 System.out.println("Child stage location: " + childStage.getX() + " " + childStage.getY());
90 assertTrue("Child stage X location should be >" + minX, childStage.getX() > minX);
91 assertTrue("Child stage Y location should be >" + minY, childStage.getY() > minY);
92 }
93
94 public static class TestApp extends Application implements ChangeListener {
95
96 @Override
97 public void start(Stage stage) throws Exception {
98 stage.setScene(new Scene(new Label("Label")));
99 stage.xProperty().addListener(this);
100 stage.yProperty().addListener(this);
101 stage.widthProperty().addListener(this);
102 stage.heightProperty().addListener(this);
103 ChildStageLocationTest.stage = stage;
104 runNext = () -> {
105 runNext = () -> {};
106 Platform.runLater(this::createChildStage);
107 };
108 stage.show();
109 }
110
111 @Override
112 public void changed(ObservableValue observable, Object oldValue, Object newValue) {
113 if (timer != null) {
114 timer.cancel();
115 }
116 timer = new Timer();
117 timer.schedule(new TimerTask() {
118 @Override
119 public void run() {
120 runNext.run();
121 }
122 }, 1500);
123 }
124
125 void createChildStage() {
126 childStage = new Stage();
127 childStage.setScene(new Scene(new Label("Label")));
128 childStage.sizeToScene();
129 childStage.xProperty().addListener(this);
130 childStage.yProperty().addListener(this);
131 childStage.widthProperty().addListener(this);
132 childStage.heightProperty().addListener(this);
133 runNext = startupLatch::countDown;
134 childStage.showAndWait();
135 }
136 }
137
138 }
139