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