8231084: Large performance regression in SwingMark TextArea in 14-b13
authorpsadhukhan
Wed, 06 Nov 2019 11:05:28 +0530
changeset 59181 a4ecc45541da
parent 59180 d8888ab6c0ec
child 59182 d0bfaae2ff33
8231084: Large performance regression in SwingMark TextArea in 14-b13 8231336: Corrupted option dialog in JTHarness with JDK14b13 Reviewed-by: serb, prr
src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java
test/jdk/ProblemList.txt
test/jdk/javax/swing/JEditorPane/8226513/JEditorPaneLayoutTest.java
test/jdk/javax/swing/JTextArea/ScrollbarFlicker/ScrollFlickerTest.java
--- a/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java	Wed Nov 06 10:48:10 2019 +0530
+++ b/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java	Wed Nov 06 11:05:28 2019 +0530
@@ -702,7 +702,6 @@
         Document doc = editor.getDocument();
         Element elem = doc.getDefaultRootElement();
         setView(f.create(elem));
-        rootViewNeedsLayout = false;
     }
 
     /**
@@ -948,10 +947,9 @@
             if ((d.width > (i.left + i.right + caretMargin)) && (d.height > (i.top + i.bottom))) {
                 rootView.setSize(d.width - i.left - i.right -
                         caretMargin, d.height - i.top - i.bottom);
-            } if (!rootViewNeedsLayout) {
+            } else if (d.width == 0 && d.height == 0) {
                 // Probably haven't been layed out yet, force some sort of
                 // initial sizing.
-                rootViewNeedsLayout = true;
                 rootView.setSize(Integer.MAX_VALUE, Integer.MAX_VALUE);
             }
             d.width = (int) Math.min((long) rootView.getPreferredSpan(View.X_AXIS) +
@@ -1403,7 +1401,6 @@
     private static final Position.Bias[] discardBias = new Position.Bias[1];
     private DefaultCaret dropCaret;
     private int caretMargin;
-    private boolean rootViewNeedsLayout;
 
     /**
      * Root view that acts as a gateway between the component
@@ -1966,7 +1963,6 @@
             // normal insert update
             Rectangle alloc = (painted) ? getVisibleEditorRect() : null;
             rootView.insertUpdate(e, alloc, rootView.getViewFactory());
-            rootViewNeedsLayout = false;
         }
 
         /**
@@ -1982,7 +1978,6 @@
         public final void removeUpdate(DocumentEvent e) {
             Rectangle alloc = (painted) ? getVisibleEditorRect() : null;
             rootView.removeUpdate(e, alloc, rootView.getViewFactory());
-            rootViewNeedsLayout = false;
         }
 
         /**
@@ -1998,7 +1993,6 @@
         public final void changedUpdate(DocumentEvent e) {
             Rectangle alloc = (painted) ? getVisibleEditorRect() : null;
             rootView.changedUpdate(e, alloc, rootView.getViewFactory());
-            rootViewNeedsLayout = false;
         }
 
         // --- LayoutManager2 methods --------------------------------
--- a/test/jdk/ProblemList.txt	Wed Nov 06 10:48:10 2019 +0530
+++ b/test/jdk/ProblemList.txt	Wed Nov 06 11:05:28 2019 +0530
@@ -733,6 +733,7 @@
 # jdk_swing
 
 com/sun/java/swing/plaf/windows/Test8173145.java 8198334 windows-all
+javax/swing/plaf/basic/BasicTextUI/8001470/bug8001470.java 8233177 linux-all
 
 javax/swing/border/TestTitledBorderLeak.java 8213531 linux-all
 javax/swing/JComponent/7154030/bug7154030.java 7190978 generic-all
--- a/test/jdk/javax/swing/JEditorPane/8226513/JEditorPaneLayoutTest.java	Wed Nov 06 10:48:10 2019 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,138 +0,0 @@
-/*
- * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/**
- * @test
- * @key headful
- * @bug 8226513
- * @summary JEditorPane is shown with incorrect size
- * @run main/othervm -Dsun.java2d.uiScale=1.0 JEditorPaneLayoutTest
- */
-
-import javax.swing.JFrame;
-import javax.swing.JEditorPane;
-import javax.swing.SwingUtilities;
-import javax.swing.text.BadLocationException;
-import javax.swing.text.Document;
-import javax.swing.text.html.HTMLEditorKit;
-import java.awt.Dimension;
-import java.awt.Robot;
-
-public class JEditorPaneLayoutTest {
-
-    public static final String TEXT =
-                                "some text some text some text <br> some text";
-    static JFrame frame;
-    static JEditorPane editorPane;
-    static Dimension size1;
-    static Dimension size2;
-    static Dimension size3;
-    static Dimension size4;
-
-    public static void main(String[] args) throws Exception {
-        Robot robot = new Robot();
-
-        SwingUtilities.invokeAndWait(() -> {
-            frame = new JFrame();
-            editorPane = new JEditorPane("text/html", TEXT);
-            size1 = editorPane.getPreferredSize();
-            editorPane.setText(TEXT);
-            frame.add(editorPane);
-            frame.pack();
-            frame.setLocationRelativeTo(null);
-            frame.setVisible(true);
-        });
-
-        robot.waitForIdle();
-        robot.delay(300);
-
-        SwingUtilities.invokeAndWait(() -> {
-            size2 = editorPane.getSize();
-            frame.dispose();
-
-            frame = new JFrame();
-            editorPane = new JEditorPane("text/html", TEXT);
-            editorPane.getPreferredSize();
-            editorPane.setText(TEXT);
-            frame.add(editorPane);
-            frame.setLocationRelativeTo(null);
-            frame.setVisible(true);
-        });
-
-        robot.waitForIdle();
-        robot.delay(300);
-
-        if (!size1.equals(size2)) {
-            SwingUtilities.invokeLater(frame::dispose);
-            throw new RuntimeException("Wrong size " + size2 +
-                    " expected " + size1);
-        }
-
-        SwingUtilities.invokeAndWait(() -> {
-            editorPane.setText(TEXT);
-            frame.pack();
-            size3 = editorPane.getSize();
-            frame.dispose();
-
-            frame = new JFrame();
-            editorPane = new JEditorPane("text/html", TEXT);
-            editorPane.getPreferredSize();
-            editorPane.setSize(1, 1);
-            Document doc = new HTMLEditorKit().createDefaultDocument();
-            try {
-                doc.insertString(0, TEXT, null);
-            } catch (BadLocationException e) {
-                e.printStackTrace();
-            }
-            editorPane.setDocument(doc);
-            editorPane.setText(TEXT);
-            frame.add(editorPane);
-            frame.pack();
-            frame.setLocationRelativeTo(null);
-            frame.setVisible(true);
-        });
-
-        robot.waitForIdle();
-        robot.delay(300);
-
-        if (!size1.equals(size3)) {
-            SwingUtilities.invokeLater(frame::dispose);
-            throw new RuntimeException("Wrong size " + size3 +
-                    " expected " + size1);
-        }
-
-        SwingUtilities.invokeAndWait(() -> {
-            size4 = editorPane.getSize();
-            frame.dispose();
-        });
-
-        robot.waitForIdle();
-        robot.delay(300);
-
-        if (!size1.equals(size4)) {
-            SwingUtilities.invokeLater(frame::dispose);
-            throw new RuntimeException("Wrong size " + size4 +
-                    " expected " + size1);
-        }
-    }
-}
--- a/test/jdk/javax/swing/JTextArea/ScrollbarFlicker/ScrollFlickerTest.java	Wed Nov 06 10:48:10 2019 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/**
- * @test
- * @key headful
- * @bug 8160246
- * @summary Regression: 4410243 reproducible with GTK LaF
- * @run main ScrollFlickerTest
- */
-
-import javax.swing.*;
-import java.awt.*;
-
-public class ScrollFlickerTest {
-
-    private static JFrame frame;
-    private static JScrollPane scroll;
-    private static int cnt = 0;
-
-    public static void main(String[] args) throws Exception {
-        SwingUtilities.invokeAndWait(() -> {
-            frame = new JFrame();
-            frame.setSize(300, 200);
-            frame.getContentPane().setLayout(null);
-            JTextArea text = new JTextArea("Test test test test");
-            text.setLineWrap(true);
-            scroll = new JScrollPane(text);
-            frame.getContentPane().add(scroll);
-            scroll.setBounds(1, 1, 100, 50);
-            frame.setVisible(true);
-        });
-
-        Robot robot = new Robot();
-        robot.waitForIdle();
-        robot.delay(200);
-
-        SwingUtilities.invokeAndWait(() -> {
-            Insets insets = scroll.getInsets();
-            scroll.setSize(insets.left + insets.right +
-                    scroll.getVerticalScrollBar().getPreferredSize().width, 50);
-            scroll.revalidate();
-        });
-        robot.delay(200);
-        SwingUtilities.invokeAndWait(() ->
-                          scroll.getViewport().addChangeListener((e) -> cnt++));
-        robot.delay(1000);
-
-        SwingUtilities.invokeLater(frame::dispose);
-
-        if (cnt > 0) {
-            throw new RuntimeException("Scroll bar flickers");
-        }
-    }
-}