Merge branch 'master' into branch 'custom-window-decorations'

# Conflicts:
#	flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java

CHANGELOG.md

@@ -9,6 +9,7 @@ FlatLaf Change Log
   for editable comboboxes).
 - ComboBox: Support custom borders in combobox editors. (issue #102)
 - Ubuntu Linux: Fixed poorly rendered font. (issue #105)
+- macOS Catalina: Use Helvetica Neue font.
 
 
 ## 0.35

flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java

@@ -411,7 +411,10 @@ public abstract class FlatLaf
 
 		} else if( SystemInfo.IS_MAC ) {
 			String fontName;
-			if( SystemInfo.IS_MAC_OS_10_11_EL_CAPITAN_OR_LATER ) {
+			if( SystemInfo.IS_MAC_OS_10_15_CATALINA_OR_LATER ) {
+				// use Helvetica Neue font
+				fontName = "Helvetica Neue";
+			} else if( SystemInfo.IS_MAC_OS_10_11_EL_CAPITAN_OR_LATER ) {
 				// use San Francisco Text font
 				fontName = ".SF NS Text";
 			} else {

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatInternalFrameAbstractIcon.java

@@ -27,6 +27,7 @@ import com.formdev.flatlaf.ui.FlatUIUtils;
 /**
  * Base class for internal frame icons.
  *
+ * @uiDefault InternalFrame.buttonSize					Dimension
  * @uiDefault InternalFrame.buttonHoverBackground		Color
  * @uiDefault InternalFrame.buttonPressedBackground		Color
  *

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatInternalFrameCloseIcon.java

@@ -28,8 +28,11 @@ import com.formdev.flatlaf.ui.FlatButtonUI;
 /**
  * "close" icon for {@link javax.swing.JInternalFrame}.
  *
- * @uiDefault InternalFrame.buttonHoverBackground		Color
- * @uiDefault InternalFrame.buttonPressedBackground		Color
+ * @uiDefault InternalFrame.buttonSize					Dimension
+ * @uiDefault InternalFrame.closeHoverBackground		Color
+ * @uiDefault InternalFrame.closePressedBackground		Color
+ * @uiDefault InternalFrame.closeHoverForeground		Color
+ * @uiDefault InternalFrame.closePressedForeground		Color
  *
  * @author Karl Tauber
  */

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatInternalFrameRestoreIcon.java

@@ -24,14 +24,14 @@ import java.awt.geom.Rectangle2D;
 import com.formdev.flatlaf.ui.FlatUIUtils;
 
 /**
- * "minimize" (actually "restore") icon for {@link javax.swing.JInternalFrame}.
+ * "restore" (or "minimize") icon for {@link javax.swing.JInternalFrame}.
  *
  * @author Karl Tauber
  */
-public class FlatInternalFrameMinimizeIcon
+public class FlatInternalFrameRestoreIcon
 	extends FlatInternalFrameAbstractIcon
 {
-	public FlatInternalFrameMinimizeIcon() {
+	public FlatInternalFrameRestoreIcon() {
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatArrowButton.java

@@ -145,11 +145,21 @@ public class FlatArrowButton
 		int direction = getDirection();
 		boolean vert = (direction == NORTH || direction == SOUTH);
 
+		// compute width/height
 		int w = scale( arrowWidth + (chevron ? 0 : 1) );
 		int h = scale( (arrowWidth / 2) + (chevron ? 0 : 1) );
+
+		// rotate width/height
 		int rw = vert ? w : h;
 		int rh = vert ? h : w;
 
+		// chevron lines end 1px outside of width/height
+		if( chevron ) {
+			// add 1px to width/height for position calculation only
+			rw++;
+			rh++;
+		}
+
 		// Adding -/+0.35 before rounding tends move up NORTH arrows and move down SOUTH arrows.
 		// This makes top margin of NORTH arrow equal to bottom margin of SOUTH arrow.
 		float rd = 0.35f;
@@ -159,12 +169,6 @@ public class FlatArrowButton
 		int x = Math.round( (width - rw) / 2f + scale( (float) xOffset ) + xrd );
 		int y = Math.round( (height - rh) / 2f + scale( (float) yOffset ) + yrd );
 
-		// optimization for small chevron arrows (e.g. OneTouchButtons in SplitPane)
-		if( x + rw >= width && x > 0 )
-			x--;
-		if( y + rh >= height && y > 0 )
-			y--;
-
 		// move arrow for round borders
 		Container parent = getParent();
 		if( vert && parent instanceof JComponent && FlatUIUtils.hasRoundBorder( (JComponent) parent ) )
@@ -176,7 +180,7 @@ public class FlatArrowButton
 			: disabledForeground );
 		g.translate( x, y );
 /*debug
-		debugPaint( g2, vert, w, h );
+		debugPaint( g2, vert, rw, rh );
 debug*/
 		Shape arrowShape = createArrowShape( direction, chevron, w, h );
 		if( chevron ) {
@@ -203,7 +207,7 @@ debug*/
 	private void debugPaint( Graphics g, boolean vert, int w, int h ) {
 		Color oldColor = g.getColor();
 		g.setColor( Color.red );
-		g.drawRect( 0, 0, (vert ? w : h) - 1, (vert ? h : w) - 1 );
+		g.drawRect( 0, 0, w - 1, h - 1 );
 
 		int xy1 = -2;
 		int xy2 = h + 1;

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java

@@ -16,6 +16,7 @@
 
 package com.formdev.flatlaf.ui;
 
+import java.awt.Color;
 import java.awt.Component;
 import java.awt.Container;
 import java.awt.Dimension;
@@ -25,10 +26,14 @@ import java.awt.LayoutManager2;
 import java.beans.PropertyChangeEvent;
 import java.util.function.Function;
 import javax.swing.JComponent;
+import javax.swing.JDialog;
+import javax.swing.JFrame;
 import javax.swing.JLayeredPane;
 import javax.swing.JMenuBar;
 import javax.swing.JRootPane;
+import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.UIResource;
 import javax.swing.plaf.basic.BasicRootPaneUI;
 import com.formdev.flatlaf.FlatClientProperties;
 import com.formdev.flatlaf.util.SystemInfo;
@@ -70,6 +75,23 @@ public class FlatRootPaneUI
 		rootPane = null;
 	}
 
+	@Override
+	protected void installDefaults( JRootPane c ) {
+		super.installDefaults( c );
+
+		// Update background color of JFrame or JDialog parent to avoid bad border
+		// on HiDPI screens when switching from light to dark Laf.
+		// The background of JFrame is initialized in JFrame.frameInit() and
+		// the background of JDialog in JDialog.dialogInit(),
+		// but it was not updated when switching Laf.
+		Container parent = c.getParent();
+		if( parent instanceof JFrame || parent instanceof JDialog ) {
+			Color background = parent.getBackground();
+			if( background == null || background instanceof UIResource )
+				parent.setBackground( UIManager.getColor( "control" ) );
+		}
+	}
+
 	private void installClientDecorations() {
 		// install title pane
 		setTitlePane( new FlatTitlePane( rootPane ) );

flatlaf-core/src/main/java/com/formdev/flatlaf/util/SystemInfo.java

@@ -34,6 +34,7 @@ public class SystemInfo
 	// OS versions
 	public static final boolean IS_WINDOWS_10_OR_LATER;
 	public static final boolean IS_MAC_OS_10_11_EL_CAPITAN_OR_LATER;
+	public static final boolean IS_MAC_OS_10_15_CATALINA_OR_LATER;
 
 	// Java versions
 	public static final boolean IS_JAVA_9_OR_LATER;
@@ -57,6 +58,7 @@ public class SystemInfo
 		long osVersion = scanVersion( System.getProperty( "os.version" ) );
 		IS_WINDOWS_10_OR_LATER = (IS_WINDOWS && osVersion >= toVersion( 10, 0, 0, 0 ));
 		IS_MAC_OS_10_11_EL_CAPITAN_OR_LATER = (IS_MAC && osVersion >= toVersion( 10, 11, 0, 0 ));
+		IS_MAC_OS_10_15_CATALINA_OR_LATER = (IS_MAC && osVersion >= toVersion( 10, 15, 0, 0 ));
 
 		// Java versions
 		long javaVersion = scanVersion( System.getProperty( "java.version" ) );

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties

@@ -261,7 +261,7 @@ InternalFrame.buttonSize=24,24
 InternalFrame.closeIcon=com.formdev.flatlaf.icons.FlatInternalFrameCloseIcon
 InternalFrame.iconifyIcon=com.formdev.flatlaf.icons.FlatInternalFrameIconifyIcon
 InternalFrame.maximizeIcon=com.formdev.flatlaf.icons.FlatInternalFrameMaximizeIcon
-InternalFrame.minimizeIcon=com.formdev.flatlaf.icons.FlatInternalFrameMinimizeIcon
+InternalFrame.minimizeIcon=com.formdev.flatlaf.icons.FlatInternalFrameRestoreIcon
 InternalFrame.windowBindings=null
 
 # drop shadow

flatlaf-demo/src/main/resources/com/formdev/flatlaf/demo/intellijthemes/themes.json

@@ -46,21 +46,21 @@
 		"license": "MIT",
 		"licenseFile": "Gradianto.LICENSE.txt",
 		"sourceCodeUrl": "https://github.com/thvardhan/Gradianto",
-		"sourceCodePath": "blob/master/resources/Gradianto_dark_fuchsia.theme.json"
+		"sourceCodePath": "blob/master/src/main/resources/Gradianto_dark_fuchsia.theme.json"
 	},
 	"Gradianto_deep_ocean.theme.json": {
 		"name": "Gradianto Deep Ocean",
 		"license": "MIT",
 		"licenseFile": "Gradianto.LICENSE.txt",
 		"sourceCodeUrl": "https://github.com/thvardhan/Gradianto",
-		"sourceCodePath": "blob/master/resources/Gradianto_deep_ocean.theme.json"
+		"sourceCodePath": "blob/master/src/main/resources/Gradianto_deep_ocean.theme.json"
 	},
 	"Gradianto_midnight_blue.theme.json": {
 		"name": "Gradianto Midnight Blue",
 		"license": "MIT",
 		"licenseFile": "Gradianto.LICENSE.txt",
 		"sourceCodeUrl": "https://github.com/thvardhan/Gradianto",
-		"sourceCodePath": "blob/master/resources/Gradianto_midnight_blue.theme.json"
+		"sourceCodePath": "blob/master/src/main/resources/Gradianto_midnight_blue.theme.json"
 	},
 	"Gray.theme.json": {
 		"name": "Gray",

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/Dracula.theme.json

@@ -159,6 +159,13 @@
         "inactiveBackground": "#44475a"
       }
     },
+    "ScrollBar": {
+      "Mac": {
+        "Transparent": {
+          "hoverThumbColor": "#bd93f9"
+        }
+      }
+    },
     "SearchEverywhere": {
       "SearchField": {
         "background": "#44475a"

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/Gradianto_dark_fuchsia.theme.json

@@ -1,7 +1,7 @@
 {
   "name": "Gradianto Dark Fuchsia",
   "dark": true,
-  "author": "",
+  "author": "thvardhan",
   "editorScheme": "/Gradianto_dark_fuchsia.xml",
   "ui": {
     "*": {

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/Gradianto_deep_ocean.theme.json

@@ -1,7 +1,7 @@
 {
   "name": "Gradianto Deep Ocean",
   "dark": true,
-  "author": "",
+  "author": "thvardhan",
   "editorScheme": "/Gradianto_deep_ocean.xml",
   "ui": {
     "*": {
@@ -214,7 +214,7 @@
       "tagBackground": "#3d445a",
       "lightSelectionBackground": "#3c4b7e"
     },
-    "EditorPane.inactiveBackground": "#040c25"
+    "EditorPane.inactiveBackground": "#25334aff"
   },
   "icons": {
     "ColorPalette": {

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/Gradianto_midnight_blue.theme.json

@@ -1,7 +1,7 @@
 {
   "name": "Gradianto Midnight Blue",
   "dark": true,
-  "author": "",
+  "author": "thvardhan",
   "editorScheme": "/Gradianto_midnight_blue.xml",
   "ui": {
     "*": {
@@ -217,7 +217,7 @@
       "tagBackground": "#40405a",
       "lightSelectionBackground": "#48387e"
     },
-    "EditorPane.inactiveBackground": "#1a0225"
+    "EditorPane.inactiveBackground": "#414157ff"
   },
   "icons": {
     "ColorPalette": {

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/gruvbox_dark_hard.theme.json

@@ -5,6 +5,7 @@
   "editorScheme": "/gruvbox_dark_hard.xml",
   "colors": {
     "bg0": "#282828",
+    "bg0_hh": "#101415",
     "bg0_h": "#1d2021",
     "bg0_s": "#32302f",
     "bg1": "#3c3836",
@@ -51,7 +52,7 @@
       "selectionBackgroundInactive": "bg0_s",
       "selectionInactiveBackground": "bg0_s",
 
-      "selectedBackground": "bg0_h",
+      "selectedBackground": "bg0_hh",
       "selectedForeground": "fg0",
       "selectedInactiveBackground": "bg0_s",
       "selectedBackgroundInactive": "bg0_s",
@@ -59,7 +60,7 @@
       "hoverBackground": "#28282866",
 
       "borderColor": "bg2",
-      "disabledBorderColor": "bg0_h",
+      "disabledBorderColor": "bg0_hh",
 
       "separatorColor": "bg2"
     },
@@ -91,6 +92,7 @@
     },
     "EditorTabs": {
       "selectedBackground": "bg0_s",
+      "underlinedTabBackground": "bg2",
       "underlineColor": "blue1",
       "inactiveMaskColor": "#28282866"
     },
@@ -101,8 +103,8 @@
       },
 
       "HeaderTab": {
-        "selectedInactiveBackground": "bg0_h",
-        "hoverInactiveBackground": "bg0_h"
+        "selectedInactiveBackground": "bg0_hh",
+        "hoverInactiveBackground": "bg0_hh"
       }
     },
     "Table": {

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/gruvbox_dark_medium.theme.json

@@ -91,6 +91,7 @@
     },
     "EditorTabs": {
       "selectedBackground": "bg0_s",
+      "underlinedTabBackground": "bg2",
       "underlineColor": "blue1",
       "inactiveMaskColor": "#28282866"
     },

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/gruvbox_dark_soft.theme.json

@@ -91,6 +91,7 @@
     },
     "EditorTabs": {
       "selectedBackground": "bg0_s",
+      "underlinedTabBackground": "bg2",
       "underlineColor": "blue1",
       "inactiveMaskColor": "#28282866"
     },

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/material-theme-ui-lite/Atom One Light Contrast.theme.json

@@ -1,5 +1,5 @@
 {
-  "name": "Atom One Light",
+  "name": "Atom One Light Contrast",
   "dark": false,
   "author": "Mallowigi",
   "editorScheme": "/colors/Atom One Light.xml",

flatlaf-intellij-themes/src/main/resources/com/formdev/flatlaf/intellijthemes/themes/one_dark.theme.json

@@ -24,7 +24,7 @@
 
       "errorForeground": "#cd3359",
 
-      "borderColor": "#46494f",
+      "borderColor": "#333841",
       "disabledBorderColor": "#2d3137",
       "focusColor": "#21252b",
       "focusedBorderColor": "#568AF2",
@@ -93,8 +93,6 @@
       "foreground": "#abb2bf"
     },
 
-    "DebuggerPopup.borderColor": "#46494f",
-
     "DefaultTabs": {
       "underlineColor": "#568AF2",
       "inactiveUnderlineColor": "#4269b9",
@@ -104,7 +102,7 @@
     "DragAndDrop": {
       "areaForeground": "#abb2bf",
       "areaBackground": "#323844",
-      "areaBorderColor": "#46494f"
+      "areaBorderColor": "#333841"
     },
 
     "Editor": {
@@ -139,11 +137,6 @@
       "visitedForeground": "#6494ed"
     },
 
-    "MenuBar.borderColor": "#46494f",
-    "Menu.borderColor": "#2d3137",
-
-    "NavBar.borderColor": "#46494f",
-
     "Notification": {
       "background": "#3d424b",
       "borderColor": "#53565f",
@@ -312,8 +305,7 @@
 
       "Header": {
         "background": "#414855",
-        "inactiveBackground": "#323844",
-        "borderColor": "#21252b"
+        "inactiveBackground": "#323844"
       },
 
       "HeaderTab": {

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatInspector.java

@@ -28,15 +28,19 @@ import java.awt.Graphics2D;
 import java.awt.Insets;
 import java.awt.KeyboardFocusManager;
 import java.awt.LayoutManager;
+import java.awt.MouseInfo;
 import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.Toolkit;
 import java.awt.Window;
+import java.awt.event.AWTEventListener;
 import java.awt.event.InputEvent;
 import java.awt.event.KeyEvent;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseMotionAdapter;
 import java.awt.event.MouseMotionListener;
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyChangeSupport;
 import java.lang.reflect.Field;
 import javax.swing.AbstractButton;
 import javax.swing.JComponent;
@@ -68,7 +72,10 @@ public class FlatInspector
 
 	private final JRootPane rootPane;
 	private final MouseMotionListener mouseMotionListener;
+	private final AWTEventListener keyListener;
+	private final PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport( this );
 
+	private boolean enabled;
 	private Component lastComponent;
 	private int lastX;
 	private int lastY;
@@ -113,14 +120,40 @@ public class FlatInspector
 			public void mouseMoved( MouseEvent e ) {
 				lastX = e.getX();
 				lastY = e.getY();
-				inspectParentLevel = (e.isControlDown() ? 1 : 0)
-					+ (e.isShiftDown() ? 2 : 0)
-					+ (e.isAltDown() ? 4 : 0);
 				inspect( lastX, lastY );
 			}
 		};
 
 		rootPane.getGlassPane().addMouseMotionListener( mouseMotionListener );
+
+		keyListener = e -> {
+			KeyEvent keyEvent = (KeyEvent) e;
+			int keyCode = keyEvent.getKeyCode();
+
+			if( e.getID() == KeyEvent.KEY_RELEASED ) {
+				if( keyCode == KeyEvent.VK_CONTROL ) {
+					inspectParentLevel++;
+					inspect( lastX, lastY );
+				} else if( keyCode == KeyEvent.VK_SHIFT && inspectParentLevel > 0 ) {
+					inspectParentLevel--;
+					inspect( lastX, lastY );
+				}
+			}
+
+			if( keyCode == KeyEvent.VK_ESCAPE ) {
+				// consume pressed and released ESC key events to e.g. avoid that dialog is closed
+				keyEvent.consume();
+
+				if( e.getID() == KeyEvent.KEY_PRESSED ) {
+					FlatInspector inspector = (FlatInspector) rootPane.getClientProperty( FlatInspector.class );
+					if( inspector == FlatInspector.this ) {
+						uninstall();
+						rootPane.putClientProperty( FlatInspector.class, null );
+					} else
+						setEnabled( false );
+				}
+			}
+		};
 	}
 
 	private void uninstall() {
@@ -129,11 +162,43 @@ public class FlatInspector
 		rootPane.getGlassPane().removeMouseMotionListener( mouseMotionListener );
 	}
 
+
+	public void addPropertyChangeListener( PropertyChangeListener l ) {
+		propertyChangeSupport.addPropertyChangeListener( l );
+	}
+
+	public void removePropertyChangeListener( PropertyChangeListener l ) {
+		propertyChangeSupport.removePropertyChangeListener( l );
+	}
+
+	public boolean isEnabled() {
+		return enabled;
+	}
+
 	public void setEnabled( boolean enabled ) {
+		if( this.enabled == enabled )
+			return;
+
+		this.enabled = enabled;
+
 		rootPane.getGlassPane().setVisible( enabled );
 
-		if( !enabled ) {
+		Toolkit toolkit = Toolkit.getDefaultToolkit();
+		if( enabled )
+			toolkit.addAWTEventListener( keyListener, AWTEvent.KEY_EVENT_MASK );
+		else
+			toolkit.removeAWTEventListener( keyListener );
+
+		if( enabled ) {
+			Point pt = new Point( MouseInfo.getPointerInfo().getLocation() );
+			SwingUtilities.convertPointFromScreen( pt, rootPane );
+
+			lastX = pt.x;
+			lastY = pt.y;
+			inspect( lastX, lastY );
+		} else {
 			lastComponent = null;
+			inspectParentLevel = 0;
 
 			if( highlightFigure != null )
 				highlightFigure.getParent().remove( highlightFigure );
@@ -143,6 +208,8 @@ public class FlatInspector
 				tip.getParent().remove( tip );
 			tip = null;
 		}
+
+		propertyChangeSupport.firePropertyChange( "enabled", !enabled, enabled );
 	}
 
 	public void update() {
@@ -157,11 +224,14 @@ public class FlatInspector
 	}
 
 	private void inspect( int x, int y ) {
-		Container contentPane = rootPane.getContentPane();
-		Point pt = SwingUtilities.convertPoint( rootPane.getGlassPane(), x, y, contentPane );
-		Component c = SwingUtilities.getDeepestComponentAt( contentPane, pt.x, pt.y );
+		Point pt = SwingUtilities.convertPoint( rootPane.getGlassPane(), x, y, rootPane );
+		Component c = getDeepestComponentAt( rootPane, pt.x, pt.y );
 		for( int i = 0; i < inspectParentLevel && c != null; i++ ) {
-			c = c.getParent();
+			Container parent = c.getParent();
+			if( parent == null )
+				break;
+
+			c = parent;
 		}
 
 		if( c == lastComponent )
@@ -173,6 +243,38 @@ public class FlatInspector
 		showToolTip( c, x, y );
 	}
 
+	private Component getDeepestComponentAt( Component parent, int x, int y ) {
+		if( !parent.contains( x, y ) )
+			return null;
+
+		if( parent instanceof Container ) {
+			for( Component child : ((Container)parent).getComponents() ) {
+				if( child == null || !child.isVisible() )
+					continue;
+
+				int cx = x - child.getX();
+				int cy = y - child.getY();
+				Component c = (child instanceof Container)
+					? getDeepestComponentAt( child, cx, cy )
+					: child.getComponentAt( cx, cy );
+				if( c == null || !c.isVisible() )
+					continue;
+
+				// ignore highlight figure and tooltip
+				if( c == highlightFigure || c == tip )
+					continue;
+
+				// ignore glass pane
+				if( c.getParent() instanceof JRootPane && c == ((JRootPane)c.getParent()).getGlassPane() )
+					continue;
+
+				return c;
+			}
+		}
+
+		return parent;
+	}
+
 	private void highlight( Component c ) {
 		if( highlightFigure == null ) {
 			highlightFigure = createHighlightFigure();
@@ -182,9 +284,9 @@ public class FlatInspector
 		highlightFigure.setVisible( c != null );
 
 		if( c != null ) {
-			Rectangle bounds = c.getBounds();
-			Rectangle highlightBounds = SwingUtilities.convertRectangle( c.getParent(), bounds, rootPane );
-			highlightFigure.setBounds( highlightBounds );
+			highlightFigure.setBounds( new Rectangle(
+				SwingUtilities.convertPoint( c, 0, 0, rootPane ),
+				c.getSize() ) );
 		}
 	}
 
@@ -308,11 +410,16 @@ public class FlatInspector
 			text += "ContentAreaFilled: " + ((AbstractButton)c).isContentAreaFilled() + '\n';
 		text += "Focusable: " + c.isFocusable() + '\n';
 		text += "Left-to-right: " + c.getComponentOrientation().isLeftToRight() + '\n';
-		text += "Parent: " + c.getParent().getClass().getName();
+		text += "Parent: " + (c.getParent() != null ? c.getParent().getClass().getName() : "null");
 
 		if( inspectParentLevel > 0 )
 			text += "\n\nParent level: " + inspectParentLevel;
 
+		if( inspectParentLevel > 0 )
+			text += "\n(press Ctrl/Shift to increase/decrease level)";
+		else
+			text += "\n\n(press Ctrl key to inspect parent)";
+
 		return text;
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatTestFrame.java

@@ -455,8 +455,12 @@ public class FlatTestFrame
 	}
 
 	private void inspectChanged() {
-		if( inspector == null )
-			inspector = new FlatInspector( contentPanel );
+		if( inspector == null ) {
+			inspector = new FlatInspector( getRootPane() );
+			inspector.addPropertyChangeListener( e -> {
+				inspectCheckBox.setSelected( inspector.isEnabled() );
+			} );
+		}
 		inspector.setEnabled( inspectCheckBox.isSelected() );
 	}
 

flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/uidefaults/FlatDarkLaf_1.8.0_202.txt

@@ -364,7 +364,7 @@ InternalFrame.inactiveDropShadowOpacity 0.75
 InternalFrame.inactiveTitleBackground #303234    javax.swing.plaf.ColorUIResource [UI]
 InternalFrame.inactiveTitleForeground #777777    javax.swing.plaf.ColorUIResource [UI]
 InternalFrame.maximizeIcon     [lazy] 24,24    com.formdev.flatlaf.icons.FlatInternalFrameMaximizeIcon [UI]
-InternalFrame.minimizeIcon     [lazy] 24,24    com.formdev.flatlaf.icons.FlatInternalFrameMinimizeIcon [UI]
+InternalFrame.minimizeIcon     [lazy] 24,24    com.formdev.flatlaf.icons.FlatInternalFrameRestoreIcon [UI]
 InternalFrame.titleFont        [active] $defaultFont [UI]
 
 

flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/uidefaults/FlatLightLaf_1.8.0_202.txt

@@ -366,7 +366,7 @@ InternalFrame.inactiveDropShadowOpacity 0.5
 InternalFrame.inactiveTitleBackground #fafafa    javax.swing.plaf.ColorUIResource [UI]
 InternalFrame.inactiveTitleForeground #8c8c8c    javax.swing.plaf.ColorUIResource [UI]
 InternalFrame.maximizeIcon     [lazy] 24,24    com.formdev.flatlaf.icons.FlatInternalFrameMaximizeIcon [UI]
-InternalFrame.minimizeIcon     [lazy] 24,24    com.formdev.flatlaf.icons.FlatInternalFrameMinimizeIcon [UI]
+InternalFrame.minimizeIcon     [lazy] 24,24    com.formdev.flatlaf.icons.FlatInternalFrameRestoreIcon [UI]
 InternalFrame.titleFont        [active] $defaultFont [UI]