1 /*
2 * Copyright (c) 2006, 2016, 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.InputEvent;
26
27 /*
28 * @test
29 * @summary Have different components having different preferred sizes
30 * added to a grid layout having various values of row/columns.
31 * Check if the compnents are correctly laid out.
32 * The strategy followed is to calculate the component location
33 * depending on the preferred sizes and gaps and click the cornors
34 * of the components to check if events are triggered
35 * @library ../../../../lib/testlibrary/
36 * @run main ComponentPreferredSize
37 * @run main ComponentPreferredSize -hg 20 -vg 20
38 */
39
40 public class ComponentPreferredSize {
41
42 private int width = 300;
43 private int height = 200;
44 private final int hGap, vGap;
45 private final int rows = 3;
46 private final int columns = 2;
47 private final int componentCount = 6;
48
49 private Button[] buttons;
50 private Frame frame;
51
52 private Robot robot;
53 private GridLayout layout;
54
55 private volatile boolean actionPerformed = false;
56
57 public ComponentPreferredSize(int hGap, int vGap) throws Exception {
58 this.hGap = hGap;
59 this.vGap = vGap;
60 robot = new Robot();
61 EventQueue.invokeAndWait( () -> {
62 frame = new Frame("Test frame");
63 frame.setSize(width, height);
64 layout = new GridLayout(rows, columns, hGap, vGap);
65 frame.setLayout(layout);
66
67 buttons = new Button[componentCount];
68 for (int i = 0; i < componentCount; i++) {
69 buttons[i] = new Button("Button" + i);
70 buttons[i].setPreferredSize(new Dimension((int) Math.random() * 100,
71 (int) Math.random() * 100));
72 frame.add(buttons[i]);
73 buttons[i].addActionListener((event) -> {actionPerformed = true;});
74 }
75
76 frame.setVisible(true);
77 });
78 }
79
80 public static void main(String[] args) throws Exception {
81 int hGap = 0;
82 int vGap = 0;
83 for (int i = 0; i < args.length; i++) {
84 switch (args[i]) {
85 case "-hg":
86 hGap = Integer.parseInt(args[++i]);
87 break;
88 case "-vg":
89 vGap = Integer.parseInt(args[++i]);
90 break;
91 }
92 }
93 new ComponentPreferredSize(hGap, vGap).doTest();
94 }
95
96 private void resizeFrame() throws Exception {
97 EventQueue.invokeAndWait(() -> {
98 Insets insets = frame.getInsets();
99 double dH = (height-insets.top-insets.bottom - vGap*(rows-1)) % rows;
100 double dW = (width-insets.left-insets.right - hGap*(columns-1)) % columns;
101 height -= dH;
102 width -= dW;
103 frame.setSize(width, height);
104 frame.revalidate();
105 });
106 robot.waitForIdle();
107 }
108
109 public void testBoundaries(int topLeftX, int topLeftY, int bottomRightX, int bottomRightY) throws Exception {
110
111 actionPerformed = false;
112 robot.mouseMove(topLeftX, topLeftY);
113 robot.delay(500);
114 robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
115 robot.delay(500);
116 robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
117 robot.delay(3000);
118
119 if (!actionPerformed) {
120 frame.dispose();
121 throw new RuntimeException("Clicking on the left top of button did not trigger action event");
122 }
123
124 actionPerformed = false;
125 robot.mouseMove(bottomRightX, bottomRightY);
126 robot.delay(500);
127 robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
128 robot.delay(500);
129 robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
130 robot.delay(3000);
131
132 if (!actionPerformed) {
133 frame.dispose();
134 throw new RuntimeException("Clicking on the bottom right of button did not trigger action event");
135 }
136 }
137
138 private void doTest() throws Exception {
139 robot.waitForIdle();
140 resizeFrame();
141
142 int availableWidth = width - frame.getInsets().left -
143 frame.getInsets().right;
144 int componentWidth = (availableWidth + hGap) / columns - hGap;
145 int availableHeight = height - frame.getInsets().top -
146 frame.getInsets().bottom;
147 int componentHeight = (availableHeight + vGap) / rows - vGap;
148
149 for (int i = 0; i < buttons.length; i++) {
150 if (buttons[i].getSize().width != componentWidth ||
151 buttons[i].getSize().height != componentHeight) {
152 frame.dispose();
153 throw new RuntimeException(
154 "FAIL: Button " + i + " not of proper size" +
155 "Expected: " + componentWidth + "*" + componentHeight +
156 "Actual: " + buttons[i].getSize().width + "*" + buttons[i].getSize().height);
157 }
158 }
159
160 // Components are visible. They should trigger events.
161 // Now you can check for the actual size shown.
162 int currentRow = 1;
163 int currentColumn = 0;
164 for (int i = 0; i < buttons.length; i++) {
165 currentColumn++;
166 if (currentColumn > columns) {
167 currentColumn = 1;
168 currentRow++;
169 }
170
171 int topPosX = frame.getLocationOnScreen().x +
172 frame.getInsets().left +
173 (currentColumn - 1) * (componentWidth + hGap);
174 int topPosY = frame.getLocationOnScreen().y +
175 frame.getInsets().top +
176 (currentRow - 1) * (componentHeight + vGap);
177
178 int bottomPosX = topPosX + componentWidth - 1;
179 int bottomPosY = topPosY + componentHeight - 1;
180 testBoundaries(topPosX, topPosY, bottomPosX, bottomPosY);
181 }
182
183 frame.dispose();
184 }
185 }