1 /*
2 * Copyright (c) 2015, 2017, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @key headful
27 * @bug 8073001 8081764
28 * @summary Test verifies that combo box with custom editor renders
29 * focus ring around arrow button correctly.
30 * @library /test/lib
31 * @build jdk.test.lib.Platform
32 * @run main CustomComboBoxFocusTest
33 */
34
35 import java.awt.AWTException;
36 import java.awt.Component;
37 import java.awt.GridLayout;
38 import java.awt.Point;
39 import java.awt.Rectangle;
40 import java.awt.Robot;
41 import java.awt.event.ActionListener;
42 import java.awt.event.FocusEvent;
43 import java.awt.event.FocusListener;
44 import java.awt.image.BufferedImage;
45 import java.io.File;
46 import java.io.IOException;
47 import java.lang.reflect.InvocationTargetException;
48 import java.util.concurrent.CountDownLatch;
49 import javax.imageio.ImageIO;
50 import javax.swing.ComboBoxEditor;
51 import javax.swing.JComboBox;
52 import javax.swing.JFrame;
53 import javax.swing.JLabel;
54 import javax.swing.JPanel;
55 import javax.swing.JTextField;
56 import javax.swing.SwingUtilities;
57
58 import jdk.test.lib.Platform;
59
60 public class CustomComboBoxFocusTest {
61
62 private static CustomComboBoxFocusTest test = null;
63
64 public static void main(String[] args) {
65 if (!Platform.isOSX()) {
66 System.out.println("Only Mac platform test. Test is skipped for other OS.");
67 return;
68 }
69
70 try {
71 SwingUtilities.invokeAndWait(new Runnable() {
72 public void run() {
73 test = new CustomComboBoxFocusTest();
74 }
75 });
76 } catch (InterruptedException | InvocationTargetException e ) {
77 throw new RuntimeException("Test failed.", e);
78 }
79
80 SwingUtilities.invokeLater(test.init);
81
82 try {
83 System.out.println("Wait for screenshots...");
84 test.testDone.await();
85 } catch (InterruptedException e) {
86 throw new RuntimeException("Test failed.", e);
87 }
88 System.out.println("Compare screenshots...");
89 if (!test.match()) {
90 throw new RuntimeException("Test failed.");
91 }
92 System.out.println("Test passed.");
93 }
94
95 private final JComboBox<String> ref = new JComboBox<String>() {
96 public String toString() {
97 return "reference";
98 }
99 };
100
101 private final JComboBox<String> custom = new JComboBox<String>() {
102 public String toString() {
103 return "custom";
104 }
105 };
106
107 private final JFrame frame;
108
109 private CountDownLatch testDone = new CountDownLatch(1);
110
111 private Robot robot;
112
113 public CustomComboBoxFocusTest() {
114 frame = new JFrame(System.getProperty("java.version"));
115
116 try {
117 robot = new Robot(frame.getGraphicsConfiguration().getDevice());
118
119 } catch (AWTException e) {
120 throw new RuntimeException("Test failed.", e);
121 }
122 }
123
124 private boolean match() {
125 final BufferedImage a = captureRef.img;
126 final BufferedImage b = captureCustom.img;
127
128 final int w = Math.min(a.getWidth(), b.getWidth());
129 final int h = Math.min(a.getHeight(), b.getHeight());
130
131 for (int y = 0; y < h; y++) {
132 for (int x = 0; x < w; x++) {
133 if (a.getRGB(x, y) != b.getRGB(x, y)) {
134 return false;
135 }
136 }
137 }
138 return true;
139 }
140
141 private JComboBox<String> getReference() {
142 return ref;
143 }
144
145 private JComboBox<String> getCustom() {
146 return custom;
147 }
148
149 private JFrame getFrame() {
150 return frame;
151 }
152
153 private static abstract class Step implements Runnable {
154 final public void run() {
155 doStep();
156
157 final Step next = nextStep();
158
159 if (next != null) {
160 SwingUtilities.invokeLater(next);
161 }
162 }
163
164 public abstract void doStep();
165
166 public abstract Step nextStep();
167 }
168
169 private final Step init = new Step() {
170 public void doStep() {
171 final JFrame f = getFrame();
172
173 final JPanel p = new JPanel(new GridLayout(4, 1, 20, 20));
174
175 JComboBox<String> r = getReference();
176 r.setEditable(true);
177 r.addItem("One");
178
179 JComboBox<String> c = getCustom();
180 c.setEditable(true);
181 c.addItem("One");
182 final ComboBoxEditor e = new ComboBoxEditor() {
183 private JTextField text = new JTextField();
184
185 @Override
186 public Component getEditorComponent() {
187 return this.text;
188 }
189
190 @Override
191 public void setItem(Object o) {
192 text.setText(o == null ? "" : o.toString());
193 }
194
195 @Override
196 public Object getItem() {
197 return text.getText();
198 }
199
200 @Override
201 public void selectAll() {
202 text.selectAll();
203 }
204
205 @Override
206 public void addActionListener(ActionListener actionListener) {
207 text.addActionListener(actionListener);
208 }
209
210 @Override
211 public void removeActionListener(ActionListener actionListener) {
212 text.removeActionListener(actionListener);
213 }
214 };
215 c.setEditor(e);
216
217 p.add(new JLabel("Reference"));
218 p.add(r);
219 p.add(c);
220 p.add(new JLabel("Custom"));
221
222 f.add(p);
223
224 f.pack();
225 f.setVisible(true);
226 }
227
228 public Step nextStep() {
229 return focusRef;
230 }
231 };
232
233 private class FocusStep extends Step {
234 private final JComboBox<String> target;
235 private final Step focusHandler;
236 private final Step next;
237
238 public FocusStep(JComboBox<String> t, Step h, Step n) {
239 target = t;
240 focusHandler = h;
241 next = n;
242 }
243
244 public void doStep() {
245 System.out.println("Request focus on " + target);
246 final Component c = target.getEditor().getEditorComponent();
247
248 c.addFocusListener(new FocusListener() {
249 @Override
250 public void focusGained(FocusEvent e) {
251 SwingUtilities.invokeLater(focusHandler);
252 }
253
254 @Override
255 public void focusLost(FocusEvent e) {
256
257 }
258 });
259
260 c.requestFocus();
261
262 }
263
264 public Step nextStep() {
265 return next;
266 }
267 }
268
269
270 private class CaptureStep extends Step {
271 private final JComboBox<String> target;
272 private BufferedImage img;
273 private String fname;
274 private final Step next;
275
276 private final int timeout = 2000;
277
278 public CaptureStep(JComboBox<String> t, String name, Step n) {
279 target = t;
280 next = n;
281 fname = name;
282 }
283
284 public void doStep() {
285 try {
286 Thread.sleep(timeout);
287 } catch (InterruptedException e) {
288 }
289 System.out.println("Capture sceeenshot of " + target);
290
291 Rectangle bounds = target.getBounds();
292 Point p = target.getLocationOnScreen();
293 System.out.println("Target bounds: " + bounds);
294 System.out.println("Target location: " + p);
295
296 bounds.x = p.x;
297 bounds.y = p.y;
298
299 img = robot.createScreenCapture(bounds);
300
301 try {
302 ImageIO.write(img, "PNG", new File(fname + ".png"));
303 } catch (IOException ioe) {
304 ioe.printStackTrace();
305 }
306
307 }
308
309 public Step nextStep() {
310 return next;
311 }
312 }
313
314 private final Step done = new Step() {
315 public void doStep() {
316 JFrame f = getFrame();
317 if (f != null) {
318 f.dispose();
319 }
320 System.out.println("Done");
321
322 testDone.countDown();
323 }
324
325 public Step nextStep() {
326 return null;
327 }
328 };
329
330 private final CaptureStep captureCustom = new CaptureStep(getCustom(), "cb_custom", done);
331
332 private final FocusStep focusCustom = new FocusStep(getCustom(), captureCustom, null);
333
334 private final CaptureStep captureRef = new CaptureStep(getReference(), "cb_ref", focusCustom);
335
336 private final FocusStep focusRef = new FocusStep(getReference(), captureRef, null);
337 }