1 /*
2 * Copyright (c) 2006, 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.
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 import java.awt.*;
25 import java.awt.event.*;
26
27 /*
28 * @test
29 * @key headful
30 * @summary Have different components having different preferred sizes
31 * added to a grid layout. Change the rows and columns of the
32 * grid layout and check the components are re-laid out.
33 * The strategy followed is to calculate the component location
34 * depending on the preferred sizes and gaps and click the cornors
35 * of the components to check if events are triggered
36 * @library ../../../../lib/testlibrary/
37 * @build ExtendedRobot
38 * @run main ChangeGridSize
39 * @run main ChangeGridSize -hg 20 -vg 20
40 */
41
42 public class ChangeGridSize {
43
44 private int width = 200;
45 private int height = 200;
46 private final int hGap, vGap;
47 private final int rows = 3;
48 private final int columns = 2;
49 private final int componentCount = 6;
50
51 private Button[] buttons;
52 private Frame frame;
53
54 private ExtendedRobot robot;
55 private GridLayout layout;
56
57 private volatile boolean actionPerformed = false;
58
59 public ChangeGridSize(int hGap, int vGap) throws Exception {
60 this.hGap = hGap;
61 this.vGap = vGap;
62 robot = new ExtendedRobot();
63 EventQueue.invokeAndWait( () -> {
64 frame = new Frame("Test frame");
65 frame.setSize(width, height);
66 layout = new GridLayout(rows + 3, columns - 1, hGap, vGap);
67 frame.setLayout(layout);
68
69 buttons = new Button[componentCount];
70 for (int i = 0; i < componentCount; i++) {
71 buttons[i] = new Button("Button" + i);
72 frame.add(buttons[i]);
73 buttons[i].addActionListener( (event) -> { actionPerformed = true; });
74 }
75 frame.setVisible(true);
76 });
77 }
78
79 public static void main(String[] args) throws Exception {
80 int hGap = 0;
81 int vGap = 0;
82 for (int i = 0; i < args.length; i++) {
83 switch (args[i]) {
84 case "-hg":
85 hGap = Integer.parseInt(args[++i]);
86 break;
87 case "-vg":
88 vGap = Integer.parseInt(args[++i]);
89 break;
90 }
91 }
92 new ChangeGridSize(hGap, vGap).doTest();
93 }
94
95 private void resizeFrame() throws Exception {
96 EventQueue.invokeAndWait(() -> {
97 Insets insets = frame.getInsets();
98 double dH = (height-insets.top-insets.bottom - vGap*(rows-1)) % rows;
99 double dW = (width-insets.left-insets.right - hGap*(columns-1)) % columns;
100 height -= dH;
101 width -= dW;
102 frame.setSize(width, height);
103 frame.revalidate();
104 });
105 robot.waitForIdle();
106 }
107
108 private void changeGridSize() throws Exception {
109 EventQueue.invokeAndWait(() -> {
110 layout.setRows(rows);
111 layout.setColumns(columns);
112
113 frame.revalidate();
114 });
115 robot.waitForIdle();
116 }
117
118 public void testBoundaries(int topLeftX, int topLeftY, int bottomRightX, int bottomRightY) throws Exception {
119
120 actionPerformed = false;
121 robot.mouseMove(topLeftX, topLeftY);
122 robot.delay(500);
123 robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
124 robot.delay(500);
125 robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
126 robot.waitForIdle(3000);
127
128 if(!actionPerformed)
129 throw new RuntimeException("Clicking on the left top of button did not trigger action event");
130
131 actionPerformed = false;
132 robot.mouseMove(bottomRightX, bottomRightY);
133 robot.delay(500);
134 robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
135 robot.delay(500);
136 robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
137 robot.waitForIdle(3000);
138
139 if(!actionPerformed)
140 throw new RuntimeException("Clicking on the bottom right of button did not trigger action event");
141 }
142
143 private void doTest() throws Exception {
144 robot.waitForIdle();
145 changeGridSize();
146 resizeFrame();
147
148 int availableWidth = width - frame.getInsets().left -
149 frame.getInsets().right;
150 int componentWidth = (availableWidth + hGap) / columns - hGap;
151 int availableHeight = height - frame.getInsets().top -
152 frame.getInsets().bottom;
153 int componentHeight = (availableHeight + vGap) / rows - vGap;
154
155 for (int i = 0; i < buttons.length; i++) {
156 if (buttons[i].getSize().width != componentWidth ||
157 buttons[i].getSize().height != componentHeight) {
158 throw new RuntimeException(
159 "FAIL: Button " + i + " not of proper size" +
160 "Expected: " + componentWidth + "*" + componentHeight +
161 "Actual: " + buttons[i].getSize().width + "*" + buttons[i].getSize().height);
162 }
163 }
164
165 // Components are visible. They should trigger events.
166 // Now you can check for the actual size shown.
167 int currentRow = 1;
168 int currentColumn = 0;
169 for (int i = 0; i < buttons.length; i++) {
170 currentColumn++;
171 if (currentColumn > columns) {
172 currentColumn = 1;
173 currentRow++;
174 }
175
176 int topPosX = frame.getLocationOnScreen().x +
177 frame.getInsets().left +
178 (currentColumn - 1) * (componentWidth + hGap);
179 int topPosY = frame.getLocationOnScreen().y +
180 frame.getInsets().top +
181 (currentRow - 1) * (componentHeight + vGap);
182
183 int bottomPosX = topPosX + componentWidth - 1;
184 int bottomPosY = topPosY + componentHeight - 1;
185 testBoundaries(topPosX, topPosY, bottomPosX, bottomPosY);
186 }
187
188 frame.dispose();
189 }
190 }