JBR-4680 idea window flickers while changing the screen brightness

Update insets in separate notification

src/java.desktop/macosx/classes/com/apple/eawt/_AppEventHandler.java

@@ -66,8 +66,11 @@ import java.util.Map;
 import sun.awt.AppContext;
 import sun.awt.SunToolkit;
 import sun.java2d.SunGraphicsEnvironment;
+import sun.util.logging.PlatformLogger;
 
 class _AppEventHandler {
+    private static final PlatformLogger logger = PlatformLogger.getLogger(_AppEventHandler.class.getName());
+
     private static final int NOTIFY_ABOUT = 1;
     private static final int NOTIFY_PREFS = 2;
     private static final int NOTIFY_OPEN_APP = 3;
@@ -267,10 +270,13 @@ class _AppEventHandler {
                 instance.systemSleepDispatcher.dispatch(new _NativeEvent(Boolean.FALSE));
                 break;
             case NOTIFY_SCREEN_CHANGE_PARAMETERS:
+                if (logger.isLoggable(PlatformLogger.Level.FINE)) {
+                    logger.fine("NOTIFY_SCREEN_CHANGE_PARAMETERS");
+                }
                 if (AppContext.getAppContext() != null) {
                     EventQueue.invokeLater(
                             () -> ((SunGraphicsEnvironment)SunGraphicsEnvironment.
-                                    getLocalGraphicsEnvironment()).displayChanged());
+                                    getLocalGraphicsEnvironment()).displayParametersChanged());
                 }
                 break;
             default:

src/java.desktop/macosx/classes/sun/awt/CGraphicsDevice.java

@@ -46,7 +46,7 @@ import sun.util.logging.PlatformLogger;
 import static java.awt.peer.ComponentPeer.SET_BOUNDS;
 
 public final class CGraphicsDevice extends GraphicsDevice
-        implements DisplayChangedListener {
+        implements DisplayChangedListener, DisplayParametersChangedListener {
 
     private static final PlatformLogger logger = PlatformLogger.getLogger(CGraphicsDevice.class.getName());
     /**
@@ -224,6 +224,20 @@ public final class CGraphicsDevice extends GraphicsDevice
         //TODO configs?
     }
 
+    public void displayParametersChanged() {
+        Insets newScreenInsets = nativeGetScreenInsets(displayID);
+        if (!newScreenInsets.equals(screenInsets)) {
+            if (logger.isLoggable(PlatformLogger.Level.FINE)) {
+                logger.fine("Screen insets for display(" + displayID + ") changed " +
+                        "[top="  + screenInsets.top + ",left=" + screenInsets.left +
+                        ",bottom=" + screenInsets.bottom + ",right=" + screenInsets.right +
+                        "]->[top="  + newScreenInsets.top + ",left=" + newScreenInsets.left +
+                        ",bottom=" + newScreenInsets.bottom + ",right=" + newScreenInsets.right +
+                        "]");
+            }
+            screenInsets = newScreenInsets;
+        }
+    }
     @Override
     public void paletteChanged() {
         // devices do not need to react to this event.

src/java.desktop/share/classes/sun/awt/DisplayParametersChangedListener.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, JetBrains s.r.o.. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package sun.awt;
+
+import java.util.EventListener;
+
+public interface DisplayParametersChangedListener extends EventListener {
+    /**
+     * Invoked when the display parameters changed.
+     */
+    public void displayParametersChanged();
+}

src/java.desktop/share/classes/sun/java2d/SunGraphicsEnvironment.java

@@ -46,6 +46,7 @@ import java.util.Locale;
 import java.util.TreeMap;
 
 import sun.awt.DisplayChangedListener;
+import sun.awt.DisplayParametersChangedListener;
 import sun.awt.SunDisplayChanger;
 import sun.font.FontManager;
 import sun.font.FontManagerFactory;
@@ -62,7 +63,7 @@ import sun.security.action.GetPropertyAction;
  * @see GraphicsConfiguration
  */
 public abstract class SunGraphicsEnvironment extends GraphicsEnvironment
-    implements DisplayChangedListener {
+    implements DisplayChangedListener, DisplayParametersChangedListener {
 
     /** Establish the default font to be used by SG2D. */
     private final Font defaultFont = new Font(Font.DIALOG, Font.PLAIN, 12);
@@ -266,6 +267,15 @@ public abstract class SunGraphicsEnvironment extends GraphicsEnvironment
         displayChanger.notifyListeners();
     }
 
+    @Override
+    public void displayParametersChanged() {
+        for (GraphicsDevice gd : getScreenDevices()) {
+            if (gd instanceof DisplayParametersChangedListener) {
+                ((DisplayParametersChangedListener) gd).displayParametersChanged();
+            }
+        }
+    }
+
     /**
      * Part of the DisplayChangedListener interface:
      * propagate this event to listeners