russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
97 lines
3.4 KiB
Java
97 lines
3.4 KiB
Java
/*
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* Copyright (c) 1999, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4117404
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* @summary Tests that child component is always at least large as scrollpane
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual ScrollPaneSize
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*/
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import java.awt.Button;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.FlowLayout;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.Insets;
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import java.awt.Panel;
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import java.awt.ScrollPane;
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import java.util.List;
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public class ScrollPaneSize {
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public static void main(String[] args) throws Exception {
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String INSTRUCTIONS = """
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1. Three frames representing the three different ScrollPane scrollbar
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policies will appear.
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2. Verify that when you resize the windows, the child component in the
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scrollpane always expands to fill the scrollpane. The scrollpane
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background is colored red to show any improper bleed through.
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""";
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PassFailJFrame.builder()
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.title("Test Instructions")
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.instructions(INSTRUCTIONS)
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.columns(40)
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.testUI(ScrollPaneSize::initialize)
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.positionTestUIRightColumn()
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.build()
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.awaitAndCheck();
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}
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static List<Frame> initialize() {
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return List.of(new ScrollFrame("SCROLLBARS_AS_NEEDED", ScrollPane.SCROLLBARS_AS_NEEDED),
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new ScrollFrame("SCROLLBARS_ALWAYS", ScrollPane.SCROLLBARS_ALWAYS),
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new ScrollFrame("SCROLLBARS_NEVER", ScrollPane.SCROLLBARS_NEVER));
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}
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}
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class ScrollFrame extends Frame {
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ScrollFrame(String title, int policy) {
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super(title);
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setLayout(new GridLayout(1, 1));
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ScrollPane c = new ScrollPane(policy);
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c.setBackground(Color.red);
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Panel panel = new TestPanel();
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c.add(panel);
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add(c);
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pack();
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Dimension size = panel.getPreferredSize();
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Insets insets = getInsets();
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setSize(size.width + 45 + insets.right + insets.left,
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size.height + 20 + insets.top + insets.bottom);
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}
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}
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class TestPanel extends Panel {
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TestPanel() {
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setLayout(new FlowLayout());
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setBackground(Color.white);
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Button b1, b2, b3;
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add(b1 = new Button("Button1"));
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add(b2 = new Button("Button2"));
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add(b3 = new Button("Button3"));
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}
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}
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