1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Robot;
import java.awt.Toolkit;
import java.lang.reflect.Method;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.UIManager;
import javax.swing.plaf.FontUIResource;
/**
* @test
* @key headful
* @bug 8075255
* @summary tests if the desktop property changes this will force the UIs to
* update all known Frames
* @requires (os.family == "windows")
* @modules java.desktop/java.awt:open java.desktop/sun.awt
*/
public final class RevalidateOnPropertyChange {
private static JFrame frame;
private static JButton button;
private static volatile Dimension sizeAfter;
private static volatile Dimension sizeBefore;
private static volatile boolean flag;
public static void main(String[] args) throws Exception {
System.setProperty("swing.useSystemFontSettings", "true");
UIManager.put("Application.useSystemFontSettings", true);
// this functionality is supported on windows in "Windows and Metal L&F"
test("com.sun.java.swing.plaf.windows.WindowsLookAndFeel",
"win.defaultGUI.font",
new Font(Font.DIALOG, FontUIResource.BOLD, 40));
test("javax.swing.plaf.metal.MetalLookAndFeel",
"win.ansiVar.font.height", 70);
}
/**
* Emulates the property change via reflection.
*/
static void test(String laf, String prop, Object value) throws Exception {
Class cls = Toolkit.class;
Method setDesktopProperty =
cls.getDeclaredMethod("setDesktopProperty", String.class,
Object.class);
setDesktopProperty.setAccessible(true);
UIManager.setLookAndFeel(laf);
EventQueue.invokeAndWait(RevalidateOnPropertyChange::createGUI);
Robot r = new Robot();
r.waitForIdle();
EventQueue.invokeAndWait(() -> {
sizeBefore = button.getSize();
});
Toolkit toolkit = Toolkit.getDefaultToolkit();
toolkit.addPropertyChangeListener(prop, evt -> flag = true);
setDesktopProperty.invoke(toolkit, prop, value);
r.waitForIdle();
EventQueue.invokeAndWait(() -> {
sizeAfter = button.getSize();
frame.dispose();
});
if (!flag) {
throw new RuntimeException("The listener was not notified");
}
if (sizeAfter.equals(sizeBefore)) {
throw new RuntimeException("Size was not changed :" + sizeAfter);
}
}
private static void createGUI() {
frame = new JFrame();
button = new JButton(UIManager.getLookAndFeel().getName());
frame.setLayout(new FlowLayout());
frame.getContentPane().add(button);
frame.setSize(400, 400);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
|
