8007155: [macosx] Disabled panel takes mouse input in JLayeredPane

Reviewed-by: serb, anthony

src/macosx/classes/sun/lwawt/LWCursorManager.java

@@ -106,8 +106,9 @@ public abstract class LWCursorManager {
             c = peer.getTarget();
             if (c instanceof Container) {
                 final Point p = peer.getLocationOnScreen();
-                c = ((Container) c).findComponentAt(cursorPos.x - p.x,
-                                                    cursorPos.y - p.y);
+                c = AWTAccessor.getContainerAccessor().findComponentAt(
+                    (Container) c, cursorPos.x - p.x, cursorPos.y - p.y, false);
+
             }
             while (c != null) {
                 final Object p = AWTAccessor.getComponentAccessor().getPeer(c);

src/share/classes/java/awt/Container.java

@@ -258,6 +258,12 @@ public class Container extends Component {
             public void validateUnconditionally(Container cont) {
                 cont.validateUnconditionally();
             }
+
+            @Override
+            public Component findComponentAt(Container cont, int x, int y,
+                    boolean ignoreEnabled) {
+                return cont.findComponentAt(x, y, ignoreEnabled);
+            }
         });
     }
 
@@ -2651,7 +2657,6 @@ public class Container extends Component {
      * behavior. Setting 'ignoreEnabled' to 'false' bypasses disabled
      * Components during the search. This behavior is used by the
      * lightweight cursor support in sun.awt.GlobalCursorManager.
-     * The cursor code calls this function directly via native code.
      *
      * The addition of this feature is temporary, pending the
      * adoption of new, public API which exports this feature.

src/share/classes/sun/awt/AWTAccessor.java

@@ -252,6 +252,14 @@ public final class AWTAccessor {
          * Validates the container unconditionally.
          */
         void validateUnconditionally(Container cont);
+
+        /**
+         *
+         * Access to the private version of findComponentAt method which has
+         * a controllable behavior. Setting 'ignoreEnabled' to 'false'
+         * bypasses disabled Components during the search.
+         */
+        Component findComponentAt(Container cont, int x, int y, boolean ignoreEnabled);
     }
 
     /*

src/share/classes/sun/awt/GlobalCursorManager.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, 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
@@ -134,7 +134,6 @@ public abstract class GlobalCursorManager {
      */
     protected abstract void getCursorPos(Point p);
 
-    protected abstract Component findComponentAt(Container con, int x, int y);
     protected abstract Point getLocationOnScreen(Component com);
 
     /**
@@ -190,9 +189,10 @@ public abstract class GlobalCursorManager {
             if (p != null) {
                 queryPos = new Point();
                 getCursorPos(queryPos);
-                Component c = findComponentAt((Container)comp,
-                                              queryPos.x - p.x,
-                                              queryPos.y - p.y);
+                Component c = AWTAccessor.getContainerAccessor().
+                        findComponentAt((Container) comp,
+                        queryPos.x - p.x, queryPos.y - p.y, false);
+
                 // If findComponentAt returns null, then something bad has
                 // happened. For example, the heavyweight Component may
                 // have been hidden or disabled by another thread. In that

src/solaris/classes/sun/awt/X11/XGlobalCursorManager.java

 /*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, 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
@@ -145,13 +145,8 @@ public final class XGlobalCursorManager extends GlobalCursorManager {
     }
 
     /*
-     * two native methods to call corresponding methods in Container and
-     * Component
+     * native method to call corresponding methods in Component
      */
-    protected  Component findComponentAt(Container con, int x, int y) {
-        return con.findComponentAt(x,y);
-    }
-
     protected  Point getLocationOnScreen(Component c) {
         return c.getLocationOnScreen();
     }

src/windows/classes/sun/awt/windows/WGlobalCursorManager.java

 /*
- * Copyright (c) 1999, 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, 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
@@ -48,7 +48,6 @@ public final class WGlobalCursorManager extends GlobalCursorManager {
 
     protected native void setCursor(Component comp, Cursor cursor, boolean u);
     protected native void getCursorPos(Point p);
-    protected native Component findComponentAt(Container con, int x, int y);
     /*
      * two native methods to call corresponding methods in Container and
      * Component

src/windows/native/sun/windows/awt_Container.cpp

 /*
- * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2013, 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
@@ -31,7 +31,6 @@
  */
 
 jfieldID AwtContainer::layoutMgrID;
-jmethodID AwtContainer::findComponentAtMID;
 
 /************************************************************************
  * AwtContainer native methods
@@ -46,11 +45,7 @@ Java_java_awt_Container_initIDs(JNIEnv *env, jclass cls) {
     AwtContainer::layoutMgrID =
         env->GetFieldID(cls, "layoutMgr", "Ljava/awt/LayoutManager;");
 
-    AwtContainer::findComponentAtMID =
-        env->GetMethodID(cls, "findComponentAt", "(IIZ)Ljava/awt/Component;");
-
     DASSERT(AwtContainer::layoutMgrID != NULL);
-    DASSERT(AwtContainer::findComponentAtMID);
 
     CATCH_BAD_ALLOC;
 }

src/windows/native/sun/windows/awt_Container.h

 /*
- * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2013, 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
@@ -38,7 +38,6 @@ public:
 
     /* java.awt.Container field ids */
     static jfieldID layoutMgrID;
-    static jmethodID findComponentAtMID;
 
 };
 

src/windows/native/sun/windows/awt_Cursor.cpp

 /*
- * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, 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
@@ -552,32 +552,6 @@ Java_sun_awt_windows_WGlobalCursorManager_findHeavyweightUnderCursor(
     CATCH_BAD_ALLOC_RET(NULL);
 }
 
-/*
- * Class:     sun_awt_windows_WGlobalCursorManager
- * Method:    findComponentAt
- * Signature: (L/java/awt/Container;II)L/java/awt/Component
- */
-JNIEXPORT jobject JNICALL
-Java_sun_awt_windows_WGlobalCursorManager_findComponentAt(
-    JNIEnv *env, jobject, jobject container, jint x, jint y)
-{
-    TRY;
-
-    /*
-     * Call private version of Container.findComponentAt with the following
-     * flag set -- ignoreEnabled = false (i.e., don't return or recur into
-     * disabled Components);
-     * NOTE: it may return a JRootPane's glass pane as the target Component
-     */
-    JNI_CHECK_NULL_RETURN_NULL(container, "null container");
-    jobject comp =
-        env->CallObjectMethod(container, AwtContainer::findComponentAtMID,
-                              x, y, JNI_FALSE);
-    return comp;
-
-    CATCH_BAD_ALLOC_RET(NULL);
-}
-
 /*
  * Class:     sun_awt_windows_WGlobalCursorManager
  * Method:    getLocationOnScreen

test/java/awt/Cursor/CursorOverlappedPanelsTest/CursorOverlappedPanelsTest.html

+<!--
+ Copyright (c) 2013, 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.
+-->
+
+<html>
+    <head>
+        <title>CursorOverlappedPanelsTest, bug ID 8007155</title>
+    </head>
+    <body>
+    <applet CODE="CursorOverlappedPanelsTest.class" WIDTH=300 HEIGHT=100></applet>
+    <p> See the dialog box (usually in upper left corner) for instructions</p>
+</body>
+</html>

test/java/awt/Cursor/CursorOverlappedPanelsTest/CursorOverlappedPanelsTest.java

+/*
+ * Copyright (c) 2013, 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.
+ */
+
+import java.awt.*;
+//import java.applet.Applet;
+import javax.swing.BorderFactory;
+import javax.swing.JApplet;
+import javax.swing.JFrame;
+import javax.swing.JLayeredPane;
+import javax.swing.JPanel;
+
+/**
+ * @test
+ * @bug 8007155
+ * @summary [macosx] Disabled panel takes mouse input in JLayeredPane
+ * @author Alexander Scherbatiy: area=java.awt.Cursor
+ * @run applet/manual=yesno CursorOverlappedPanelsTest.html
+ */
+public class CursorOverlappedPanelsTest extends JApplet {
+    //Declare things used in the test, like buttons and labels here
+
+    public void init() {
+        //Create instructions for the user here, as well as set up
+        // the environment -- set the layout manager, add buttons,
+        // etc.
+        this.setLayout(new BorderLayout());
+
+        String[] instructions = {
+            "Verify that the Crosshair cursor from enabled panel"
+            + " is displayed on the panels intersection",
+            "1) Move the mosue cursor on the Enabled and Disabled panels"
+            + " intersection",
+            "2) Check that the Crosshair cursor is displayed ",
+            "If so, press PASS, else press FAIL."
+        };
+        Sysout.createDialogWithInstructions(instructions);
+
+    }//End  init()
+
+    public void start() {
+        //Get things going.  Request focus, set size, et cetera
+        setSize(200, 200);
+        setVisible(true);
+        validate();
+        try {
+            EventQueue.invokeAndWait(new Runnable() {
+                public void run() {
+                    createAndShowGUI();
+                }
+            });
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }// start()
+
+    //The rest of this class is the actions which perform the test...
+    //Use Sysout.println to communicate with the user NOT System.out!!
+    //Sysout.println ("Something Happened!");
+    private static JPanel createPanel(Point location, boolean enabled) {
+        final JPanel panel = new JPanel();
+        panel.setOpaque(false);
+        panel.setEnabled(enabled);
+        panel.setSize(new Dimension(200, 200));
+        panel.setLocation(location);
+        panel.setBorder(BorderFactory.createTitledBorder(
+                enabled ? "Enabled" : "Disabled"));
+        panel.setCursor(Cursor.getPredefinedCursor(
+                enabled ? Cursor.CROSSHAIR_CURSOR : Cursor.DEFAULT_CURSOR));
+        System.out.println("cursor: " + Cursor.getPredefinedCursor(enabled ? Cursor.CROSSHAIR_CURSOR : Cursor.DEFAULT_CURSOR));
+        return panel;
+    }
+
+    private static void createAndShowGUI() {
+        final JFrame frame = new JFrame("Test");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        JLayeredPane layeredPane = new JLayeredPane();
+        layeredPane.setPreferredSize(new Dimension(400, 400));
+        JPanel enabledPanel = createPanel(new Point(10, 10), true);
+        JPanel disabledPanel = createPanel(new Point(100, 100), false);
+        layeredPane.add(disabledPanel, JLayeredPane.PALETTE_LAYER);
+        layeredPane.add(enabledPanel, JLayeredPane.DEFAULT_LAYER);
+
+        frame.getContentPane().add(layeredPane);
+        frame.pack();
+        frame.setVisible(true);
+    }
+}// class BlockedWindowTest
+
+/* Place other classes related to the test after this line */
+/**
+ * **************************************************
+ * Standard Test Machinery DO NOT modify anything below -- it's a standard chunk
+ * of code whose purpose is to make user interaction uniform, and thereby make
+ * it simpler to read and understand someone else's test.
+ * **************************************************
+ */
+/**
+ * This is part of the standard test machinery. It creates a dialog (with the
+ * instructions), and is the interface for sending text messages to the user. To
+ * print the instructions, send an array of strings to Sysout.createDialog
+ * WithInstructions method. Put one line of instructions per array entry. To
+ * display a message for the tester to see, simply call Sysout.println with the
+ * string to be displayed. This mimics System.out.println but works within the
+ * test harness as well as standalone.
+ */
+class Sysout {
+
+    private static TestDialog dialog;
+
+    public static void createDialogWithInstructions(String[] instructions) {
+        dialog = new TestDialog(new Frame(), "Instructions");
+        dialog.printInstructions(instructions);
+        dialog.setVisible(true);
+        println("Any messages for the tester will display here.");
+    }
+
+    public static void createDialog() {
+        dialog = new TestDialog(new Frame(), "Instructions");
+        String[] defInstr = {"Instructions will appear here. ", ""};
+        dialog.printInstructions(defInstr);
+        dialog.setVisible(true);
+        println("Any messages for the tester will display here.");
+    }
+
+    public static void printInstructions(String[] instructions) {
+        dialog.printInstructions(instructions);
+    }
+
+    public static void println(String messageIn) {
+        dialog.displayMessage(messageIn);
+    }
+}// Sysout  class
+
+/**
+ * This is part of the standard test machinery. It provides a place for the test
+ * instructions to be displayed, and a place for interactive messages to the
+ * user to be displayed. To have the test instructions displayed, see Sysout. To
+ * have a message to the user be displayed, see Sysout. Do not call anything in
+ * this dialog directly.
+ */
+class TestDialog extends Dialog {
+
+    TextArea instructionsText;
+    TextArea messageText;
+    int maxStringLength = 80;
+
+    //DO NOT call this directly, go through Sysout
+    public TestDialog(Frame frame, String name) {
+        super(frame, name);
+        int scrollBoth = TextArea.SCROLLBARS_BOTH;
+        instructionsText = new TextArea("", 15, maxStringLength, scrollBoth);
+        add("North", instructionsText);
+
+        messageText = new TextArea("", 5, maxStringLength, scrollBoth);
+        add("Center", messageText);
+
+        pack();
+
+        setVisible(true);
+    }// TestDialog()
+
+    //DO NOT call this directly, go through Sysout
+    public void printInstructions(String[] instructions) {
+        //Clear out any current instructions
+        instructionsText.setText("");
+
+        //Go down array of instruction strings
+
+        String printStr, remainingStr;
+        for (int i = 0; i < instructions.length; i++) {
+            //chop up each into pieces maxSringLength long
+            remainingStr = instructions[ i];
+            while (remainingStr.length() > 0) {
+                //if longer than max then chop off first max chars to print
+                if (remainingStr.length() >= maxStringLength) {
+                    //Try to chop on a word boundary
+                    int posOfSpace = remainingStr.
+                            lastIndexOf(' ', maxStringLength - 1);
+
+                    if (posOfSpace <= 0) {
+                        posOfSpace = maxStringLength - 1;
+                    }
+
+                    printStr = remainingStr.substring(0, posOfSpace + 1);
+                    remainingStr = remainingStr.substring(posOfSpace + 1);
+                } //else just print
+                else {
+                    printStr = remainingStr;
+                    remainingStr = "";
+                }
+
+                instructionsText.append(printStr + "\n");
+
+            }// while
+
+        }// for
+
+    }//printInstructions()
+
+    //DO NOT call this directly, go through Sysout
+    public void displayMessage(String messageIn) {
+        messageText.append(messageIn + "\n");
+        System.out.println(messageIn);
+    }
+}// TestDialog  class