release 0.38

- reference completion shows all keys defined in current and base files
- support auto-activate for value provider
- do not auto-complete single choices

CHANGELOG.md

@@ -1,6 +1,18 @@
 FlatLaf Change Log
 ==================
 
+## 0.38
+
+- Hide focus indicator when window is inactive.
+- Custom window decorations: Improved/fixed window border color in dark themes.
+- Custom window decorations: Hide window border if window is maximized.
+- Custom window decorations: Center title if menu bar is embedded.
+- Custom window decorations: Cursor of components (e.g. TextField) was not
+  changed. (issue #125)
+- CheckBox: Fixed colors in light IntelliJ themes. (issue #126)
+- InternalFrame: Use default icon in internal frames. (issue #122)
+
+
 ## 0.37
 
 - Custom window decorations (Windows 10 only; PR #108; issues #47 and #82)

README.md

@@ -98,8 +98,15 @@ Projects using FlatLaf
   [mendelson AS2](https://mendelson-e-c.com/as2/),
   [AS4](https://mendelson-e-c.com/as4/) and
   [OFTP2](https://mendelson-e-c.com/oftp2) (commercial)
-- [MeteoInfo](https://github.com/meteoinfo/MeteoInfo) 2.1.6
+- [MeteoInfo](https://github.com/meteoinfo/MeteoInfo) 2.2
 - [lsfusion platform](https://github.com/lsfusion/platform)
+- [Jes - Die Java-EÜR](https://www.jes-eur.de)
+- [Mapton](https://mapton.org/) 2.0
+  ([source code](https://github.com/trixon/mapton)) based on NetBeans platform
+- [Pseudo Assembler IDE](https://github.com/tomasz-herman/PseudoAssemblerIDE)
+- [Sound Analysis](https://github.com/tomasz-herman/SoundAnalysis)
+- [RemoteLight](https://github.com/Drumber/RemoteLight) - Multifunctional LED
+  Control Software
 - and more...
 
 

build.gradle.kts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-val releaseVersion = "0.37"
-val developmentVersion = "0.38-SNAPSHOT"
+val releaseVersion = "0.38"
+val developmentVersion = "0.39-SNAPSHOT"
 
 version = if( java.lang.Boolean.getBoolean( "release" ) ) releaseVersion else developmentVersion
 

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

@@ -412,6 +412,10 @@ public class IntelliJTheme
 
 			String newKey = checkboxKeyMapping.get( key );
 			if( newKey != null ) {
+				String checkBoxIconPrefix = "CheckBox.icon.";
+				if( !dark && newKey.startsWith( checkBoxIconPrefix ) )
+					newKey = "CheckBox.icon[filled].".concat( newKey.substring( checkBoxIconPrefix.length() ) );
+
 				ColorUIResource color = toColor( (String) value );
 				if( color != null ) {
 					defaults.put( newKey, color );
@@ -444,12 +448,23 @@ public class IntelliJTheme
 
 		// remove hover and pressed colors
 		if( checkboxModified ) {
+			defaults.remove( "CheckBox.icon.focusWidth" );
 			defaults.remove( "CheckBox.icon.hoverBorderColor" );
 			defaults.remove( "CheckBox.icon.focusedBackground" );
 			defaults.remove( "CheckBox.icon.hoverBackground" );
 			defaults.remove( "CheckBox.icon.pressedBackground" );
+			defaults.remove( "CheckBox.icon.selectedFocusedBackground" );
 			defaults.remove( "CheckBox.icon.selectedHoverBackground" );
 			defaults.remove( "CheckBox.icon.selectedPressedBackground" );
+
+			defaults.remove( "CheckBox.icon[filled].focusWidth" );
+			defaults.remove( "CheckBox.icon[filled].hoverBorderColor" );
+			defaults.remove( "CheckBox.icon[filled].focusedBackground" );
+			defaults.remove( "CheckBox.icon[filled].hoverBackground" );
+			defaults.remove( "CheckBox.icon[filled].pressedBackground" );
+			defaults.remove( "CheckBox.icon[filled].selectedFocusedBackground" );
+			defaults.remove( "CheckBox.icon[filled].selectedHoverBackground" );
+			defaults.remove( "CheckBox.icon[filled].selectedPressedBackground" );
 		}
 
 		// copy values

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

@@ -154,8 +154,11 @@ class UIDefaultsLoader
 				}
 			}
 
+			Function<String, String> propertiesGetter = key -> {
+				return properties.getProperty( key );
+			};
 			Function<String, String> resolver = value -> {
-				return resolveValue( properties, value );
+				return resolveValue( value, propertiesGetter );
 			};
 
 			// get globals, which override all other defaults that end with same suffix
@@ -165,9 +168,10 @@ class UIDefaultsLoader
 				if( !key.startsWith( GLOBAL_PREFIX ) )
 					continue;
 
-				String value = resolveValue( properties, (String) e.getValue() );
+				String value = resolveValue( (String) e.getValue(), propertiesGetter );
 				try {
-					globals.put( key.substring( GLOBAL_PREFIX.length() ), parseValue( key, value, resolver, addonClassLoaders ) );
+					globals.put( key.substring( GLOBAL_PREFIX.length() ),
+						parseValue( key, value, null, resolver, addonClassLoaders ) );
 				} catch( RuntimeException ex ) {
 					logParseError( Level.SEVERE, key, value, ex );
 				}
@@ -190,9 +194,9 @@ class UIDefaultsLoader
 				if( key.startsWith( VARIABLE_PREFIX ) || key.startsWith( GLOBAL_PREFIX ) )
 					continue;
 
-				String value = resolveValue( properties, (String) e.getValue() );
+				String value = resolveValue( (String) e.getValue(), propertiesGetter );
 				try {
-					defaults.put( key, parseValue( key, value, resolver, addonClassLoaders ) );
+					defaults.put( key, parseValue( key, value, null, resolver, addonClassLoaders ) );
 				} catch( RuntimeException ex ) {
 					logParseError( Level.SEVERE, key, value, ex );
 				}
@@ -206,7 +210,10 @@ class UIDefaultsLoader
 		FlatLaf.LOG.log( level, "FlatLaf: Failed to parse: '" + key + '=' + value + '\'', ex );
 	}
 
-	private static String resolveValue( Properties properties, String value ) {
+	static String resolveValue( String value, Function<String, String> propertiesGetter ) {
+		value = value.trim();
+		String value0 = value;
+
 		if( value.startsWith( PROPERTY_PREFIX ) )
 			value = value.substring( PROPERTY_PREFIX.length() );
 		else if( !value.startsWith( VARIABLE_PREFIX ) )
@@ -218,7 +225,7 @@ class UIDefaultsLoader
 			optional = true;
 		}
 
-		String newValue = properties.getProperty( value );
+		String newValue = propertiesGetter.apply( value );
 		if( newValue == null ) {
 			if( optional )
 				return "null";
@@ -226,29 +233,40 @@ class UIDefaultsLoader
 			throw new IllegalArgumentException( "variable or property '" + value + "' not found" );
 		}
 
-		return resolveValue( properties, newValue );
+		if( newValue.equals( value0 ) )
+			throw new IllegalArgumentException( "endless recursion in variable or property '" + value + "'" );
+
+		return resolveValue( newValue, propertiesGetter );
 	}
 
-	private enum ValueType { UNKNOWN, STRING, CHARACTER, INTEGER, FLOAT, BORDER, ICON, INSETS, DIMENSION, COLOR,
-		SCALEDINTEGER, SCALEDFLOAT, SCALEDINSETS, SCALEDDIMENSION, INSTANCE, CLASS, GRAYFILTER }
+	enum ValueType { UNKNOWN, STRING, BOOLEAN, CHARACTER, INTEGER, FLOAT, BORDER, ICON, INSETS, DIMENSION, COLOR,
+		SCALEDINTEGER, SCALEDFLOAT, SCALEDINSETS, SCALEDDIMENSION, INSTANCE, CLASS, GRAYFILTER, NULL, LAZY }
+
+	private static ValueType[] tempResultValueType = new ValueType[1];
 
 	static Object parseValue( String key, String value ) {
-		return parseValue( key, value, v -> v, Collections.emptyList() );
+		return parseValue( key, value, null, v -> v, Collections.emptyList() );
 	}
 
-	private static Object parseValue( String key, String value, Function<String, String> resolver, List<ClassLoader> addonClassLoaders ) {
+	static Object parseValue( String key, String value, ValueType[] resultValueType,
+		Function<String, String> resolver, List<ClassLoader> addonClassLoaders )
+	{
+		if( resultValueType == null )
+			resultValueType = tempResultValueType;
+
 		value = value.trim();
 
 		// null, false, true
 		switch( value ) {
-			case "null":	return null;
-			case "false":	return false;
-			case "true":	return true;
+			case "null":	resultValueType[0] = ValueType.NULL; return null;
+			case "false":	resultValueType[0] = ValueType.BOOLEAN; return false;
+			case "true":	resultValueType[0] = ValueType.BOOLEAN; return true;
 		}
 
 		// check for function "lazy"
 		//     Syntax: lazy(uiKey)
 		if( value.startsWith( "lazy(" ) && value.endsWith( ")" ) ) {
+			resultValueType[0] = ValueType.LAZY;
 			String uiKey = value.substring( 5, value.length() - 1 ).trim();
 			return (LazyValue) t -> {
 				return lazyUIManagerGet( uiKey );
@@ -301,6 +319,8 @@ class UIDefaultsLoader
 				valueType = ValueType.GRAYFILTER;
 		}
 
+		resultValueType[0] = valueType;
+
 		// parse value
 		switch( valueType ) {
 			case STRING:		return value;
@@ -323,20 +343,27 @@ class UIDefaultsLoader
 			default:
 				// colors
 				Object color = parseColorOrFunction( value, resolver, false );
-				if( color != null )
+				if( color != null ) {
+					resultValueType[0] = ValueType.COLOR;
 					return color;
+				}
 
 				// integer
 				Integer integer = parseInteger( value, false );
-				if( integer != null )
+				if( integer != null ) {
+					resultValueType[0] = ValueType.INTEGER;
 					return integer;
+				}
 
 				// float
 				Float f = parseFloat( value, false );
-				if( f != null )
+				if( f != null ) {
+					resultValueType[0] = ValueType.FLOAT;
 					return f;
+				}
 
 				// string
+				resultValueType[0] = ValueType.STRING;
 				return value;
 		}
 	}

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

@@ -202,13 +202,7 @@ public class FlatButtonUI
 
 	@Override
 	protected BasicButtonListener createButtonListener( AbstractButton b ) {
-		return new BasicButtonListener( b ) {
-			@Override
-			public void propertyChange( PropertyChangeEvent e ) {
-				super.propertyChange( e );
-				FlatButtonUI.this.propertyChange( b, e );
-			}
-		};
+		return new FlatButtonListener( b );
 	}
 
 	protected void propertyChange( AbstractButton b, PropertyChangeEvent e ) {
@@ -475,4 +469,23 @@ public class FlatButtonUI
 
 		return prefSize;
 	}
+
+	//---- class FlatButtonListener -------------------------------------------
+
+	protected class FlatButtonListener
+		extends BasicButtonListener
+	{
+		private final AbstractButton b;
+
+		protected FlatButtonListener( AbstractButton b ) {
+			super( b );
+			this.b = b;
+		}
+
+		@Override
+		public void propertyChange( PropertyChangeEvent e ) {
+			super.propertyChange( e );
+			FlatButtonUI.this.propertyChange( b, e );
+		}
+	}
 }

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

@@ -119,7 +119,7 @@ public class FlatComboBoxUI
 	protected Color buttonHoverArrowColor;
 
 	private MouseListener hoverListener;
-	private boolean hover;
+	protected boolean hover;
 
 	private WeakReference<Component> lastRendererComponent;
 
@@ -332,14 +332,7 @@ public class FlatComboBoxUI
 
 	@Override
 	protected JButton createArrowButton() {
-		return new FlatArrowButton( SwingConstants.SOUTH, arrowType, buttonArrowColor,
-			buttonDisabledArrowColor, buttonHoverArrowColor, null )
-		{
-			@Override
-			protected boolean isHover() {
-				return super.isHover() || (!comboBox.isEditable() ? hover : false);
-			}
-		};
+		return new FlatComboBoxButton();
 	}
 
 	@Override
@@ -507,6 +500,27 @@ public class FlatComboBoxUI
 		}
 	}
 
+	//---- class FlatComboBoxButton -------------------------------------------
+
+	protected class FlatComboBoxButton
+		extends FlatArrowButton
+	{
+		protected FlatComboBoxButton() {
+			this( SwingConstants.SOUTH, arrowType, buttonArrowColor, buttonDisabledArrowColor, buttonHoverArrowColor, null, null );
+		}
+
+		protected FlatComboBoxButton( int direction, String type, Color foreground, Color disabledForeground,
+			Color hoverForeground, Color hoverBackground, Color pressedBackground )
+		{
+			super( direction, type, foreground, disabledForeground, hoverForeground, hoverBackground, pressedBackground );
+		}
+
+		@Override
+		protected boolean isHover() {
+			return super.isHover() || (!comboBox.isEditable() ? hover : false);
+		}
+	}
+
 	//---- class FlatComboPopup -----------------------------------------------
 
 	@SuppressWarnings( { "rawtypes", "unchecked" } )

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

@@ -26,13 +26,14 @@ import java.beans.PropertyChangeListener;
 import javax.swing.BorderFactory;
 import javax.swing.BoxLayout;
 import javax.swing.Icon;
+import javax.swing.ImageIcon;
 import javax.swing.JInternalFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.LookAndFeel;
-import javax.swing.UIManager;
 import javax.swing.border.Border;
 import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
+import com.formdev.flatlaf.util.ScaledImageIcon;
 import com.formdev.flatlaf.util.UIScale;
 
 /**
@@ -103,14 +104,16 @@ public class FlatInternalFrameTitlePane
 		add( buttonPanel, BorderLayout.LINE_END );
 	}
 
-	private void updateFrameIcon() {
+	protected void updateFrameIcon() {
 		Icon frameIcon = frame.getFrameIcon();
-		if( frameIcon == UIManager.getIcon( "InternalFrame.icon" ) )
+		if( frameIcon != null && (frameIcon.getIconWidth() == 0 || frameIcon.getIconHeight() == 0) )
 			frameIcon = null;
+		else if( frameIcon instanceof ImageIcon )
+			frameIcon = new ScaledImageIcon( (ImageIcon) frameIcon );
 		titleLabel.setIcon( frameIcon );
 	}
 
-	private void updateColors() {
+	protected void updateColors() {
 		Color background = FlatUIUtils.nonUIResource( frame.isSelected() ? selectedTitleColor : notSelectedTitleColor );
 		Color foreground = FlatUIUtils.nonUIResource( frame.isSelected() ? selectedTextColor : notSelectedTextColor );
 
@@ -123,7 +126,7 @@ public class FlatInternalFrameTitlePane
 		closeButton.setForeground( foreground );
 	}
 
-	private void updateButtonsVisibility() {
+	protected void updateButtonsVisibility() {
 		iconButton.setVisible( frame.isIconifiable() );
 		maxButton.setVisible( frame.isMaximizable() );
 		closeButton.setVisible( frame.isClosable() );
@@ -150,7 +153,7 @@ public class FlatInternalFrameTitlePane
 
 	//---- class FlatPropertyChangeHandler ------------------------------------
 
-	private class FlatPropertyChangeHandler
+	protected class FlatPropertyChangeHandler
 		extends PropertyChangeHandler
 	{
 		@Override

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

@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.ui;
 
 import java.awt.Color;
+import java.awt.EventQueue;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import javax.swing.JComponent;
@@ -106,7 +107,11 @@ public class FlatListUI
 			@Override
 			public void focusLost( FocusEvent e ) {
 				super.focusLost( e );
-				toggleSelectionColors();
+
+				// use invokeLater for the case that the window is deactivated
+				EventQueue.invokeLater( () -> {
+					toggleSelectionColors();
+				} );
 			}
 		};
 	}

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

@@ -20,12 +20,13 @@ import java.awt.Color;
 import java.awt.Component;
 import java.awt.Container;
 import java.awt.Dimension;
+import java.awt.Frame;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.Insets;
 import java.awt.LayoutManager;
 import java.awt.LayoutManager2;
-import java.awt.Toolkit;
+import java.awt.Window;
 import java.beans.PropertyChangeEvent;
 import java.util.function.Function;
 import javax.swing.JComponent;
@@ -51,12 +52,15 @@ import com.formdev.flatlaf.util.SystemInfo;
  * <!-- FlatRootPaneUI -->
  *
  * @uiDefault RootPane.border								Border
+ * @uiDefault RootPane.activeBorderColor					Color
+ * @uiDefault RootPane.inactiveBorderColor					Color
  *
  * <!-- FlatWindowResizer -->
  *
  * @uiDefault RootPane.borderDragThickness					int
  * @uiDefault RootPane.cornerDragWidth						int
- * @uiDefault RootPane.honorMinimumSizeOnResize				boolean
+ * @uiDefault RootPane.honorFrameMinimumSizeOnResize		boolean
+ * @uiDefault RootPane.honorDialogMinimumSizeOnResize		boolean
  *
  * @author Karl Tauber
  */
@@ -67,10 +71,11 @@ public class FlatRootPaneUI
 	static final boolean canUseJBRCustomDecorations
 		= SystemInfo.IS_JETBRAINS_JVM_11_OR_LATER && SystemInfo.IS_WINDOWS_10_OR_LATER;
 
-	private JRootPane rootPane;
-	private FlatTitlePane titlePane;
+	protected JRootPane rootPane;
+	protected FlatTitlePane titlePane;
+	protected FlatWindowResizer windowResizer;
+
 	private LayoutManager oldLayout;
-	private FlatWindowResizer windowResizer;
 
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatRootPaneUI();
@@ -323,24 +328,45 @@ public class FlatRootPaneUI
 	public static class FlatWindowBorder
 		extends BorderUIResource.EmptyBorderUIResource
 	{
+		protected final Color activeBorderColor = UIManager.getColor( "RootPane.activeBorderColor" );
+		protected final Color inactiveBorderColor = UIManager.getColor( "RootPane.inactiveBorderColor" );
+		protected final Color baseBorderColor = UIManager.getColor( "Panel.background" );
+
 		public FlatWindowBorder() {
 			super( 1, 1, 1, 1 );
 		}
 
 		@Override
-		public void paintBorder( Component c, Graphics g, int x, int y, int width, int height ) {
-			Object borderColorObj = Toolkit.getDefaultToolkit().getDesktopProperty(
-				"win.frame.activeBorderColor" );
-			Color borderColor = (borderColorObj instanceof Color)
-				? (Color) borderColorObj
-				: UIManager.getColor( "windowBorder" );
+		public Insets getBorderInsets( Component c, Insets insets ) {
+			if( isWindowMaximized( c ) ) {
+				// hide border if window is maximized
+				insets.top = insets.left = insets.bottom = insets.right = 0;
+				return insets;
+			} else
+				return super.getBorderInsets( c, insets );
+		}
 
-			g.setColor( borderColor );
+		@Override
+		public void paintBorder( Component c, Graphics g, int x, int y, int width, int height ) {
+			if( isWindowMaximized( c ) )
+				return;
+
+			Container parent = c.getParent();
+			boolean active = parent instanceof Window ? ((Window)parent).isActive() : false;
+
+			g.setColor( FlatUIUtils.deriveColor( active ? activeBorderColor : inactiveBorderColor, baseBorderColor ) );
 			HiDPIUtils.paintAtScale1x( (Graphics2D) g, x, y, width, height, this::paintImpl );
 		}
 
 		private void paintImpl( Graphics2D g, int x, int y, int width, int height, double scaleFactor ) {
 			g.drawRect( x, y, width - 1, height - 1 );
 		}
+
+		protected boolean isWindowMaximized( Component c ) {
+			Container parent = c.getParent();
+			return parent instanceof Frame
+				? (((Frame)parent).getExtendedState() & Frame.MAXIMIZED_BOTH) != 0
+				: false;
+		}
 	}
 }

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

@@ -198,46 +198,12 @@ public class FlatScrollBarUI
 
 	@Override
 	protected JButton createDecreaseButton( int orientation ) {
-		return createArrowButton( orientation );
+		return new FlatScrollBarButton( orientation );
 	}
 
 	@Override
 	protected JButton createIncreaseButton( int orientation ) {
-		return createArrowButton( orientation );
-	}
-
-	private JButton createArrowButton( int orientation ) {
-		FlatArrowButton button = new FlatArrowButton( orientation, arrowType, buttonArrowColor,
-			buttonDisabledArrowColor, null, hoverButtonBackground, pressedButtonBackground )
-		{
-			@Override
-			protected Color deriveBackground( Color background ) {
-				return FlatUIUtils.deriveColor( background, scrollbar.getBackground() );
-			}
-
-			@Override
-			public Dimension getPreferredSize() {
-				if( isShowButtons() ) {
-					int w = UIScale.scale( scrollBarWidth );
-					return new Dimension( w, w );
-				} else
-					return new Dimension();
-			}
-
-			@Override
-			public Dimension getMinimumSize() {
-				return isShowButtons() ? super.getMinimumSize() : new Dimension();
-			}
-
-			@Override
-			public Dimension getMaximumSize() {
-				return isShowButtons() ? super.getMaximumSize() : new Dimension();
-			}
-		};
-		button.setArrowWidth( FlatArrowButton.DEFAULT_ARROW_WIDTH - 2 );
-		button.setFocusable( false );
-		button.setRequestFocusEnabled( false );
-		return button;
+		return new FlatScrollBarButton( orientation );
 	}
 
 	protected boolean isShowButtons() {
@@ -377,4 +343,49 @@ public class FlatScrollBarUI
 				scrollbar.repaint();
 		}
 	}
+
+	//---- class FlatScrollBarButton ------------------------------------------
+
+	protected class FlatScrollBarButton
+		extends FlatArrowButton
+	{
+		protected FlatScrollBarButton( int direction ) {
+			this( direction, arrowType, buttonArrowColor, buttonDisabledArrowColor,
+				null, hoverButtonBackground, pressedButtonBackground );
+		}
+
+		protected FlatScrollBarButton( int direction, String type, Color foreground, Color disabledForeground,
+			Color hoverForeground, Color hoverBackground, Color pressedBackground )
+		{
+			super( direction, type, foreground, disabledForeground, hoverForeground, hoverBackground, pressedBackground );
+
+			setArrowWidth( FlatArrowButton.DEFAULT_ARROW_WIDTH - 2 );
+			setFocusable( false );
+			setRequestFocusEnabled( false );
+		}
+
+		@Override
+		protected Color deriveBackground( Color background ) {
+			return FlatUIUtils.deriveColor( background, scrollbar.getBackground() );
+		}
+
+		@Override
+		public Dimension getPreferredSize() {
+			if( isShowButtons() ) {
+				int w = UIScale.scale( scrollBarWidth );
+				return new Dimension( w, w );
+			} else
+				return new Dimension();
+		}
+
+		@Override
+		public Dimension getMinimumSize() {
+			return isShowButtons() ? super.getMinimumSize() : new Dimension();
+		}
+
+		@Override
+		public Dimension getMaximumSize() {
+			return isShowButtons() ? super.getMaximumSize() : new Dimension();
+		}
+	}
 }

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

@@ -87,10 +87,10 @@ public class FlatSplitPaneUI
 
 	//---- class FlatSplitPaneDivider -----------------------------------------
 
-	private class FlatSplitPaneDivider
+	protected class FlatSplitPaneDivider
 		extends BasicSplitPaneDivider
 	{
-		public FlatSplitPaneDivider( BasicSplitPaneUI ui ) {
+		protected FlatSplitPaneDivider( BasicSplitPaneUI ui ) {
 			super( ui );
 		}
 

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

@@ -18,6 +18,7 @@ package com.formdev.flatlaf.ui;
 
 import java.awt.Color;
 import java.awt.Dimension;
+import java.awt.EventQueue;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import javax.swing.JCheckBox;
@@ -174,7 +175,11 @@ public class FlatTableUI
 			@Override
 			public void focusLost( FocusEvent e ) {
 				super.focusLost( e );
-				toggleSelectionColors();
+
+				// use invokeLater for the case that the window is deactivated
+				EventQueue.invokeLater( () -> {
+					toggleSelectionColors();
+				} );
 			}
 		};
 	}

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

@@ -55,6 +55,7 @@ import javax.swing.JLabel;
 import javax.swing.JMenuBar;
 import javax.swing.JPanel;
 import javax.swing.JRootPane;
+import javax.swing.SwingConstants;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.border.AbstractBorder;
@@ -90,30 +91,31 @@ import com.formdev.flatlaf.util.UIScale;
 public class FlatTitlePane
 	extends JComponent
 {
-	private final Color activeBackground = UIManager.getColor( "TitlePane.background" );
-	private final Color inactiveBackground = UIManager.getColor( "TitlePane.inactiveBackground" );
-	private final Color activeForeground = UIManager.getColor( "TitlePane.foreground" );
-	private final Color inactiveForeground = UIManager.getColor( "TitlePane.inactiveForeground" );
-	private final Color embeddedForeground = UIManager.getColor( "TitlePane.embeddedForeground" );
+	protected final Color activeBackground = UIManager.getColor( "TitlePane.background" );
+	protected final Color inactiveBackground = UIManager.getColor( "TitlePane.inactiveBackground" );
+	protected final Color activeForeground = UIManager.getColor( "TitlePane.foreground" );
+	protected final Color inactiveForeground = UIManager.getColor( "TitlePane.inactiveForeground" );
+	protected final Color embeddedForeground = UIManager.getColor( "TitlePane.embeddedForeground" );
 
-	private final Insets menuBarMargins = UIManager.getInsets( "TitlePane.menuBarMargins" );
-	private final Dimension iconSize = UIManager.getDimension( "TitlePane.iconSize" );
-	private final int buttonMaximizedHeight = UIManager.getInt( "TitlePane.buttonMaximizedHeight" );
+	protected final Insets menuBarMargins = UIManager.getInsets( "TitlePane.menuBarMargins" );
+	protected final Dimension iconSize = UIManager.getDimension( "TitlePane.iconSize" );
+	protected final int buttonMaximizedHeight = UIManager.getInt( "TitlePane.buttonMaximizedHeight" );
 
-	private final JRootPane rootPane;
+	protected final JRootPane rootPane;
 
-	private JPanel leftPanel;
-	private JLabel iconLabel;
-	private JComponent menuBarPlaceholder;
-	private JLabel titleLabel;
-	private JPanel buttonPanel;
-	private JButton iconifyButton;
-	private JButton maximizeButton;
-	private JButton restoreButton;
-	private JButton closeButton;
+	protected JPanel leftPanel;
+	protected JLabel iconLabel;
+	protected JComponent menuBarPlaceholder;
+	protected JLabel titleLabel;
+	protected JPanel buttonPanel;
+	protected JButton iconifyButton;
+	protected JButton maximizeButton;
+	protected JButton restoreButton;
+	protected JButton closeButton;
+
+	protected Window window;
 
 	private final Handler handler;
-	private Window window;
 
 	public FlatTitlePane( JRootPane rootPane ) {
 		this.rootPane = rootPane;
@@ -146,6 +148,10 @@ public class FlatTitlePane
 		iconLabel.setBorder( new FlatEmptyBorder( UIManager.getInsets( "TitlePane.iconMargins" ) ) );
 		titleLabel.setBorder( new FlatEmptyBorder( UIManager.getInsets( "TitlePane.titleMargins" ) ) );
 
+		//TODO
+//		titleLabel.setHorizontalAlignment( JLabel.CENTER );
+//		titleLabel.setHorizontalAlignment( JLabel.RIGHT );
+
 		leftPanel.setLayout( new BoxLayout( leftPanel, BoxLayout.LINE_AXIS ) );
 		leftPanel.setOpaque( false );
 		leftPanel.add( iconLabel );
@@ -217,14 +223,17 @@ public class FlatTitlePane
 	}
 
 	protected void activeChanged( boolean active ) {
+		boolean hasEmbeddedMenuBar = rootPane.getJMenuBar() != null && isMenuBarEmbedded();
 		Color background = FlatUIUtils.nonUIResource( active ? activeBackground : inactiveBackground );
 		Color foreground = FlatUIUtils.nonUIResource( active
-			? (rootPane.getJMenuBar() != null && isMenuBarEmbedded() ? embeddedForeground : activeForeground)
+			? (hasEmbeddedMenuBar ? embeddedForeground : activeForeground)
 			: inactiveForeground );
 
 		setBackground( background );
 		titleLabel.setForeground( foreground );
 
+		titleLabel.setHorizontalAlignment( hasEmbeddedMenuBar ? SwingConstants.CENTER : SwingConstants.LEADING );
+
 		// this is necessary because hover/pressed colors are derived from background color
 		iconifyButton.setBackground( background );
 		maximizeButton.setBackground( background );
@@ -275,6 +284,8 @@ public class FlatTitlePane
 		else {
 			// no icon set on window --> use default icon
 			Icon defaultIcon = UIManager.getIcon( "InternalFrame.icon" );
+			if( defaultIcon != null && (defaultIcon.getIconWidth() == 0 || defaultIcon.getIconHeight() == 0) )
+				defaultIcon = null;
 			if( defaultIcon != null ) {
 				if( defaultIcon instanceof ImageIcon )
 					defaultIcon = new ScaledImageIcon( (ImageIcon) defaultIcon, iconSize.width, iconSize.height );
@@ -385,6 +396,16 @@ public class FlatTitlePane
 		g.fillRect( 0, 0, getWidth(), getHeight() );
 	}
 
+	protected void repaintWindowBorder() {
+		int width = rootPane.getWidth();
+		int height = rootPane.getHeight();
+		Insets insets = rootPane.getInsets();
+		rootPane.repaint( 0, 0, width, insets.top ); // top
+		rootPane.repaint( 0, 0, insets.left, height ); // left
+		rootPane.repaint( 0, height - insets.bottom, width, insets.bottom ); // bottom
+		rootPane.repaint( width - insets.right, 0, insets.right, height ); // right
+	}
+
 	/**
 	 * Iconifies the window.
 	 */
@@ -613,6 +634,8 @@ public class FlatTitlePane
 
 			if( hasJBRCustomDecoration() )
 				JBRWindowTopBorder.getInstance().repaintBorder( FlatTitlePane.this );
+
+			repaintWindowBorder();
 		}
 
 		@Override
@@ -622,6 +645,8 @@ public class FlatTitlePane
 
 			if( hasJBRCustomDecoration() )
 				JBRWindowTopBorder.getInstance().repaintBorder( FlatTitlePane.this );
+
+			repaintWindowBorder();
 		}
 
 		@Override

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

@@ -25,6 +25,7 @@ import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
+import javax.swing.CellRendererPane;
 import javax.swing.JComponent;
 import javax.swing.JTree;
 import javax.swing.LookAndFeel;
@@ -75,6 +76,11 @@ import com.formdev.flatlaf.util.UIScale;
  * @uiDefault Tree.dropCellBackground				Color
  * @uiDefault Tree.dropCellForeground				Color
  *
+ * <!-- DefaultTreeCellEditor -->
+ *
+ * @uiDefault Tree.editorBorder						Border
+ * @uiDefault Tree.editorBorderSelectionColor		Color
+ *
  * <!-- FlatTreeUI -->
  *
  * @uiDefault Tree.border							Border
@@ -226,6 +232,11 @@ public class FlatTreeUI
 		boolean isSelected = tree.isRowSelected( row );
 		boolean isDropRow = isDropRow( row );
 
+		// if tree is used as cell renderer in another component (e.g. in Rhino JavaScript debugger),
+		// check whether that component is focused to get correct selection colors
+		if( !hasFocus && isSelected && tree.getParent() instanceof CellRendererPane )
+			hasFocus = FlatUIUtils.isPermanentFocusOwner( tree.getParent().getParent() );
+
 		// wide selection background
 		if( wideSelection && (isSelected || isDropRow) ) {
 			// fill background

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

@@ -38,6 +38,7 @@ import java.awt.geom.RoundRectangle2D;
 import java.util.function.Consumer;
 import javax.swing.JComponent;
 import javax.swing.LookAndFeel;
+import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.border.Border;
 import javax.swing.border.CompoundBorder;
@@ -139,8 +140,14 @@ public class FlatUIUtils
 		return c instanceof JComponent && Boolean.TRUE.equals( ((JComponent)c).getClientProperty( "JComboBox.isTableCellEditor" ) );
 	}
 
+	/**
+	 * Returns whether the given component is the permanent focus owner and
+	 * is in the active window. Used to paint focus indicators.
+	 */
 	public static boolean isPermanentFocusOwner( Component c ) {
-		return (KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner() == c);
+		KeyboardFocusManager keyboardFocusManager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
+		return keyboardFocusManager.getPermanentFocusOwner() == c &&
+			keyboardFocusManager.getActiveWindow() == SwingUtilities.windowForComponent( c );
 	}
 
 	public static boolean isRoundRect( Component c ) {

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

@@ -17,8 +17,6 @@
 package com.formdev.flatlaf.ui;
 
 import static java.awt.Cursor.*;
-import java.awt.BorderLayout;
-import java.awt.Component;
 import java.awt.Container;
 import java.awt.Dialog;
 import java.awt.Dimension;
@@ -48,33 +46,43 @@ import com.formdev.flatlaf.util.UIScale;
  * @author Karl Tauber
  */
 public class FlatWindowResizer
-	extends JComponent
 	implements PropertyChangeListener, WindowStateListener, ComponentListener
 {
-	private final static Integer WINDOW_RESIZER_LAYER = JLayeredPane.DRAG_LAYER + 1;
+	protected final static Integer WINDOW_RESIZER_LAYER = JLayeredPane.DRAG_LAYER + 1;
 
-	private final JRootPane rootPane;
+	protected final JRootPane rootPane;
 
-	private final int borderDragThickness = FlatUIUtils.getUIInt( "RootPane.borderDragThickness", 5 );
-	private final int cornerDragWidth = FlatUIUtils.getUIInt( "RootPane.cornerDragWidth", 16 );
-	private final boolean honorMinimumSizeOnResize = UIManager.getBoolean( "RootPane.honorMinimumSizeOnResize" );
+	protected final int borderDragThickness = FlatUIUtils.getUIInt( "RootPane.borderDragThickness", 5 );
+	protected final int cornerDragWidth = FlatUIUtils.getUIInt( "RootPane.cornerDragWidth", 16 );
+	protected final boolean honorFrameMinimumSizeOnResize = UIManager.getBoolean( "RootPane.honorFrameMinimumSizeOnResize" );
+	protected final boolean honorDialogMinimumSizeOnResize = UIManager.getBoolean( "RootPane.honorDialogMinimumSizeOnResize" );
 
-	private Window window;
+	protected final JComponent north;
+	protected final JComponent south;
+	protected final JComponent west;
+	protected final JComponent east;
+
+	protected Window window;
 
 	public FlatWindowResizer( JRootPane rootPane ) {
 		this.rootPane = rootPane;
 
-		setLayout( new BorderLayout() );
-		add( createDragBorderComponent( NW_RESIZE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR ), BorderLayout.NORTH );
-		add( createDragBorderComponent( SW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR ), BorderLayout.SOUTH );
-		add( createDragBorderComponent( NW_RESIZE_CURSOR, W_RESIZE_CURSOR, SW_RESIZE_CURSOR ), BorderLayout.WEST );
-		add( createDragBorderComponent( NE_RESIZE_CURSOR, E_RESIZE_CURSOR, SE_RESIZE_CURSOR ), BorderLayout.EAST );
+		north = createDragBorderComponent( NW_RESIZE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR );
+		south = createDragBorderComponent( SW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR );
+		west = createDragBorderComponent( NW_RESIZE_CURSOR, W_RESIZE_CURSOR, SW_RESIZE_CURSOR );
+		east = createDragBorderComponent( NE_RESIZE_CURSOR, E_RESIZE_CURSOR, SE_RESIZE_CURSOR );
+
+		JLayeredPane layeredPane = rootPane.getLayeredPane();
+		layeredPane.add( north, WINDOW_RESIZER_LAYER );
+		layeredPane.add( south, WINDOW_RESIZER_LAYER );
+		layeredPane.add( west, WINDOW_RESIZER_LAYER );
+		layeredPane.add( east, WINDOW_RESIZER_LAYER );
 
 		rootPane.addComponentListener( this );
-		rootPane.getLayeredPane().add( this, WINDOW_RESIZER_LAYER );
+		rootPane.addPropertyChangeListener( "ancestor", this );
 
 		if( rootPane.isDisplayable() )
-			setBounds( 0, 0, rootPane.getWidth(), rootPane.getHeight() );
+			addNotify();
 	}
 
 	protected DragBorderComponent createDragBorderComponent( int leadingResizeDir, int centerResizeDir, int trailingResizeDir ) {
@@ -82,14 +90,40 @@ public class FlatWindowResizer
 	}
 
 	public void uninstall() {
+		removeNotify();
+
 		rootPane.removeComponentListener( this );
-		rootPane.getLayeredPane().remove( this );
+		rootPane.removePropertyChangeListener( "ancestor", this );
+
+		JLayeredPane layeredPane = rootPane.getLayeredPane();
+		layeredPane.remove( north );
+		layeredPane.remove( south );
+		layeredPane.remove( west );
+		layeredPane.remove( east );
 	}
 
-	@Override
-	public void addNotify() {
-		super.addNotify();
+	public void doLayout() {
+		if( !north.isVisible() )
+			return;
 
+		int x = 0;
+		int y = 0;
+		int width = rootPane.getWidth();
+		int height = rootPane.getHeight();
+		if( width == 0 || height == 0 )
+			return;
+
+		int thickness = UIScale.scale( borderDragThickness );
+		int y2 = y + thickness;
+		int height2 = height - (thickness * 2);
+
+		north.setBounds( x, y, width, thickness );
+		south.setBounds( x, y + height - thickness, width, thickness );
+		west.setBounds( x, y2, thickness, height2 );
+		east.setBounds( x + width - thickness, y2, thickness, height2 );
+	}
+
+	protected void addNotify() {
 		Container parent = rootPane.getParent();
 		window = (parent instanceof Window) ? (Window) parent : null;
 		if( window instanceof Frame ) {
@@ -100,10 +134,7 @@ public class FlatWindowResizer
 		updateVisibility();
 	}
 
-	@Override
-	public void removeNotify() {
-		super.removeNotify();
-
+	protected void removeNotify() {
 		if( window instanceof Frame ) {
 			window.removePropertyChangeListener( "resizable", this );
 			window.removeWindowStateListener( this );
@@ -113,25 +144,26 @@ public class FlatWindowResizer
 		updateVisibility();
 	}
 
-	@Override
-	protected void paintChildren( Graphics g ) {
-		super.paintChildren( g );
-
-		// this is necessary because Dialog.setResizable() does not fire events
-		if( window instanceof Dialog )
-			updateVisibility();
-	}
-
-	private void updateVisibility() {
+	protected void updateVisibility() {
 		boolean visible = isWindowResizable();
-		if( visible == getComponent( 0 ).isVisible() )
+		if( visible == north.isVisible() )
 			return;
 
-		for( Component c : getComponents() )
-			c.setVisible( visible );
+		north.setVisible( visible );
+		south.setVisible( visible );
+		west.setVisible( visible );
+
+		// The east component is not hidden, instead its bounds are set to 0,0,1,1 and
+		// it is disabled. This is necessary so that DragBorderComponent.paintComponent() is invoked.
+		east.setEnabled( visible );
+		if( visible ) {
+			east.setVisible( true ); // necessary because it is initially invisible
+			doLayout();
+		} else
+			east.setBounds( 0, 0, 1, 1 );
 	}
 
-	private boolean isWindowResizable() {
+	protected boolean isWindowResizable() {
 		if( window instanceof Frame )
 			return ((Frame)window).isResizable() && (((Frame)window).getExtendedState() & Frame.MAXIMIZED_BOTH) == 0;
 		if( window instanceof Dialog )
@@ -141,7 +173,18 @@ public class FlatWindowResizer
 
 	@Override
 	public void propertyChange( PropertyChangeEvent e ) {
-		updateVisibility();
+		switch( e.getPropertyName() ) {
+			case "ancestor":
+				if( e.getNewValue() != null )
+					addNotify();
+				else
+					removeNotify();
+				break;
+
+			case "resizable":
+				updateVisibility();
+				break;
+		}
 	}
 
 	@Override
@@ -151,8 +194,7 @@ public class FlatWindowResizer
 
 	@Override
 	public void componentResized( ComponentEvent e ) {
-		setBounds( 0, 0, rootPane.getWidth(), rootPane.getHeight() );
-		validate();
+		doLayout();
 	}
 
 	@Override public void componentMoved( ComponentEvent e ) {}
@@ -200,13 +242,19 @@ public class FlatWindowResizer
 			return new Dimension( thickness, thickness );
 		}
 
-/*debug
 		@Override
 		protected void paintComponent( Graphics g ) {
+			super.paintChildren( g );
+
+			// this is necessary because Dialog.setResizable() does not fire events
+			if( window instanceof Dialog )
+				updateVisibility();
+
+/*debug
 			g.setColor( java.awt.Color.red );
 			g.drawRect( 0, 0, getWidth() - 1, getHeight() - 1 );
-		}
 debug*/
+		}
 
 		@Override
 		public void mouseClicked( MouseEvent e ) {
@@ -293,6 +341,9 @@ debug*/
 			newBounds.height += deltaHeight;
 
 			// apply minimum window size
+			boolean honorMinimumSizeOnResize =
+				(honorFrameMinimumSizeOnResize && window instanceof Frame) ||
+				(honorDialogMinimumSizeOnResize && window instanceof Dialog);
 			Dimension minimumSize = honorMinimumSizeOnResize ? window.getMinimumSize() : null;
 			if( minimumSize == null )
 				minimumSize = UIScale.scale( new Dimension( 150, 50 ) );
@@ -312,8 +363,7 @@ debug*/
 				window.setBounds( newBounds );
 
 				// immediately layout drag border components
-				FlatWindowResizer.this.setBounds( 0, 0, newBounds.width, newBounds.height );
-				FlatWindowResizer.this.validate();
+				FlatWindowResizer.this.doLayout();
 
 				if( Toolkit.getDefaultToolkit().isDynamicLayoutActive() ) {
 					window.validate();

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

@@ -239,6 +239,12 @@ ProgressBar.selectionBackground=@foreground
 RadioButton.icon[filled].centerDiameter=5
 
 
+#---- RootPane ----
+
+RootPane.activeBorderColor=darken(@background,7%,derived)
+RootPane.inactiveBorderColor=darken(@background,5%,derived)
+
+
 #---- ScrollBar ----
 
 ScrollBar.track=lighten(@background,1%,derived noAutoInverse)

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

@@ -36,7 +36,6 @@ Button.default.borderWidth=1
 #---- CheckBox ----
 
 CheckBox.icon.style=filled
-CheckBox.icon[filled].focusWidth=2
 
 
 #---- Component ----

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

@@ -292,6 +292,7 @@ List.selectionInactiveForeground=@selectionInactiveForeground
 List.dropCellBackground=@dropCellBackground
 List.dropCellForeground=@dropCellForeground
 List.dropLineColor=@dropLineColor
+List.showCellFocusIndicator=false
 
 
 #---- Menu ----
@@ -430,7 +431,8 @@ RadioButtonMenuItem.background=@menuBackground
 RootPane.border=com.formdev.flatlaf.ui.FlatRootPaneUI$FlatWindowBorder
 RootPane.borderDragThickness=5
 RootPane.cornerDragWidth=16
-RootPane.honorMinimumSizeOnResize=true
+RootPane.honorFrameMinimumSizeOnResize=false
+RootPane.honorDialogMinimumSizeOnResize=true
 
 
 #---- ScrollBar ----
@@ -659,6 +661,7 @@ ToolTipManager.enableToolTipMode=activeApplication
 #---- Tree ----
 
 Tree.border=1,1,1,1
+Tree.editorBorder=1,1,1,1,@cellFocusColor
 Tree.selectionInactiveBackground=@selectionInactiveBackground
 Tree.selectionInactiveForeground=@selectionInactiveForeground
 Tree.textBackground=$Tree.background
@@ -671,6 +674,7 @@ Tree.rendererMargins=1,2,1,2
 Tree.wideSelection=true
 Tree.repaintWholeRow=true
 Tree.paintLines=false
+Tree.showCellFocusIndicator=false
 Tree.leftChildIndent=7
 Tree.rightChildIndent=11
 Tree.rowHeight=0

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

@@ -251,6 +251,12 @@ ProgressBar.selectionBackground=@foreground
 RadioButton.icon[filled].centerDiameter=5
 
 
+#---- RootPane ----
+
+RootPane.activeBorderColor=#707070
+RootPane.inactiveBorderColor=lighten($RootPane.activeBorderColor,20%,derived)
+
+
 #---- ScrollBar ----
 
 ScrollBar.track=lighten(@background,1%,derived noAutoInverse)

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

@@ -7,6 +7,7 @@ package com.formdev.flatlaf.testing;
 import java.awt.*;
 import java.beans.PropertyVetoException;
 import javax.swing.*;
+import com.formdev.flatlaf.extras.TriStateCheckBox;
 import com.formdev.flatlaf.icons.FlatFileViewFloppyDriveIcon;
 import com.formdev.flatlaf.util.UIScale;
 import net.miginfocom.swing.*;
@@ -50,8 +51,10 @@ public class FlatInternalFrameTest
 			maximizableCheckBox.isSelected(),
 			iconifiableCheckBox.isSelected() );
 
-		if( iconCheckBox.isSelected() )
+		if( iconCheckBox.getState() == TriStateCheckBox.State.SELECTED )
 			internalFrame.setFrameIcon( new FlatFileViewFloppyDriveIcon() );
+		else if( iconCheckBox.getState() == TriStateCheckBox.State.UNSELECTED )
+			internalFrame.setFrameIcon( null );
 
 		if( menuBarCheckBox.isSelected() ) {
 			JMenuBar menuBar = new JMenuBar();
@@ -100,7 +103,7 @@ public class FlatInternalFrameTest
 		closableCheckBox = new JCheckBox();
 		iconifiableCheckBox = new JCheckBox();
 		maximizableCheckBox = new JCheckBox();
-		iconCheckBox = new JCheckBox();
+		iconCheckBox = new TriStateCheckBox();
 		menuBarCheckBox = new JCheckBox();
 		titleLabel = new JLabel();
 		titleField = new JTextField();
@@ -192,7 +195,7 @@ public class FlatInternalFrameTest
 	private JCheckBox closableCheckBox;
 	private JCheckBox iconifiableCheckBox;
 	private JCheckBox maximizableCheckBox;
-	private JCheckBox iconCheckBox;
+	private TriStateCheckBox iconCheckBox;
 	private JCheckBox menuBarCheckBox;
 	private JLabel titleLabel;
 	private JTextField titleField;

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatInternalFrameTest.jfd

@@ -1,4 +1,4 @@
-JFDML JFormDesigner: "7.0.0.0.194" Java: "13.0.1" encoding: "UTF-8"
+JFDML JFormDesigner: "7.0.2.0.298" Java: "14" encoding: "UTF-8"
 
 new FormModel {
 	contentType: "form/swing"
@@ -50,7 +50,7 @@ new FormModel {
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 						"value": "cell 1 1,alignx left,growx 0"
 					} )
-					add( new FormComponent( "javax.swing.JCheckBox" ) {
+					add( new FormComponent( "com.formdev.flatlaf.extras.TriStateCheckBox" ) {
 						name: "iconCheckBox"
 						"text": "Frame icon"
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/uidefaults/UIDefaultsDump.java

@@ -120,6 +120,9 @@ public class UIDefaultsDump
 //		}
 
 //		dumpIntelliJThemes( dir );
+
+		// dump UI keys
+		UIDefaultsKeysDump.main( new String[0] );
 	}
 
 	@SuppressWarnings( "unused" )

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/uidefaults/UIDefaultsKeysDump.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2020 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.testing.uidefaults;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Locale;
+import javax.swing.UIDefaults;
+import javax.swing.UIManager;
+import com.formdev.flatlaf.*;
+
+/**
+ * Collects all FlatLaf UI defaults keys and dumps them to a file.
+ *
+ * @author Karl Tauber
+ */
+public class UIDefaultsKeysDump
+{
+	public static void main( String[] args ) {
+		Locale.setDefault( Locale.ENGLISH );
+		System.setProperty( "sun.java2d.uiScale", "1x" );
+		System.setProperty( FlatSystemProperties.UI_SCALE, "1x" );
+
+		File keysFile = new File( "../flatlaf-theme-editor/src/main/resources/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt" );
+
+		HashSet<String> keys = new HashSet<>();
+
+		collectKeys( FlatLightLaf.class.getName(), keys );
+		collectKeys( FlatDarkLaf.class.getName(), keys );
+		collectKeys( FlatIntelliJLaf.class.getName(), keys );
+		collectKeys( FlatDarculaLaf.class.getName(), keys );
+
+		try( Writer fileWriter = new BufferedWriter( new FileWriter( keysFile ) ) ) {
+			String[] sortedKeys = keys.toArray( new String[keys.size()] );
+			Arrays.sort( sortedKeys );
+			for( String key : sortedKeys ) {
+				fileWriter.write( key );
+				fileWriter.write( "\n" );
+			}
+		} catch( IOException ex ) {
+			ex.printStackTrace();
+		}
+	}
+
+	private static void collectKeys( String lookAndFeelClassName, HashSet<String> keys ) {
+		try {
+			UIManager.setLookAndFeel( lookAndFeelClassName );
+		} catch( Exception ex ) {
+			ex.printStackTrace();
+			return;
+		}
+
+		UIDefaults defaults = UIManager.getLookAndFeel().getDefaults();
+
+		for( Object key : defaults.keySet() ) {
+			if( key instanceof String )
+				keys.add( (String) key );
+		}
+	}
+}

flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/FlatTestLaf.properties

@@ -348,3 +348,5 @@ ToolTip.background=#eeeeff
 Tree.background=#fff0ff
 Tree.paintLines=true
 Tree.hash=#ff0000
+Tree.editorBorder=1,1,1,1,#f00
+Tree.editorBorderSelectionColor=#00f

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

@@ -475,6 +475,7 @@ List.selectionBackground       #4b6eaf    javax.swing.plaf.ColorUIResource [UI]
 List.selectionForeground       #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
 List.selectionInactiveBackground #0d293e    javax.swing.plaf.ColorUIResource [UI]
 List.selectionInactiveForeground #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
+List.showCellFocusIndicator    false
 List.timeFactor                1000
 ListUI                         com.formdev.flatlaf.ui.FlatListUI
 
@@ -752,6 +753,7 @@ Resizable.resizeBorder         [lazy] 4,4,4,4  false    com.formdev.flatlaf.ui.F
 
 #---- RootPane ----
 
+RootPane.activeBorderColor     #4d5154    com.formdev.flatlaf.util.DerivedColor [UI]    darken(7% autoInverse)
 RootPane.border                [lazy] 1,1,1,1  false    com.formdev.flatlaf.ui.FlatRootPaneUI$FlatWindowBorder [UI]
 RootPane.borderDragThickness   5
 RootPane.cornerDragWidth       16
@@ -764,7 +766,9 @@ RootPane.defaultButtonWindowKeyBindings length=8    [Ljava.lang.Object;
     [5] press
     [6] ctrl released ENTER
     [7] release
-RootPane.honorMinimumSizeOnResize true
+RootPane.honorDialogMinimumSizeOnResize true
+RootPane.honorFrameMinimumSizeOnResize false
+RootPane.inactiveBorderColor   #484c4e    com.formdev.flatlaf.util.DerivedColor [UI]    darken(5% autoInverse)
 RootPaneUI                     com.formdev.flatlaf.ui.FlatRootPaneUI
 
 
@@ -1187,7 +1191,7 @@ Tree.drawsFocusBorderAroundIcon false
 Tree.dropCellBackground        [lazy] #3c588b    javax.swing.plaf.ColorUIResource [UI]
 Tree.dropCellForeground        [lazy] #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
 Tree.dropLineColor             [lazy] #6d8ac0    javax.swing.plaf.ColorUIResource [UI]
-Tree.editorBorder              [lazy] line: #000000    java.awt.Color 1 false    1,1,1,1  true    javax.swing.plaf.BorderUIResource$LineBorderUIResource [UI]
+Tree.editorBorder              [lazy] 1,1,1,1  false    com.formdev.flatlaf.ui.FlatLineBorder [UI]    lineColor=#000000    javax.swing.plaf.ColorUIResource [UI]    lineThickness=1.000000
 Tree.expandedIcon              [lazy] 11,11    com.formdev.flatlaf.icons.FlatTreeExpandedIcon [UI]
 Tree.font                      [active] $defaultFont [UI]
 Tree.foreground                #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
@@ -1213,6 +1217,7 @@ Tree.selectionBorderColor      #000000    javax.swing.plaf.ColorUIResource [UI]
 Tree.selectionForeground       #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
 Tree.selectionInactiveBackground #0d293e    javax.swing.plaf.ColorUIResource [UI]
 Tree.selectionInactiveForeground #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
+Tree.showCellFocusIndicator    false
 Tree.textBackground            #45494a    javax.swing.plaf.ColorUIResource [UI]
 Tree.textForeground            #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
 Tree.timeFactor                1000

flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/uidefaults/FlatIntelliJLaf_1.8.0_202.txt

@@ -38,8 +38,6 @@
 
 + CheckBox.icon.style            filled
 
-+ CheckBox.icon[filled].focusWidth 2
-
 - CheckBox.icon[filled].selectedFocusedCheckmarkColor #e3f1fa    javax.swing.plaf.ColorUIResource [UI]
 
 - ComboBox.border                [lazy] 1,1,1,1  false    com.formdev.flatlaf.ui.FlatRoundBorder [UI]

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

@@ -480,6 +480,7 @@ List.selectionBackground       #2675bf    javax.swing.plaf.ColorUIResource [UI]
 List.selectionForeground       #ffffff    javax.swing.plaf.ColorUIResource [UI]
 List.selectionInactiveBackground #d4d4d4    javax.swing.plaf.ColorUIResource [UI]
 List.selectionInactiveForeground #000000    javax.swing.plaf.ColorUIResource [UI]
+List.showCellFocusIndicator    false
 List.timeFactor                1000
 ListUI                         com.formdev.flatlaf.ui.FlatListUI
 
@@ -757,6 +758,7 @@ Resizable.resizeBorder         [lazy] 4,4,4,4  false    com.formdev.flatlaf.ui.F
 
 #---- RootPane ----
 
+RootPane.activeBorderColor     #707070    javax.swing.plaf.ColorUIResource [UI]
 RootPane.border                [lazy] 1,1,1,1  false    com.formdev.flatlaf.ui.FlatRootPaneUI$FlatWindowBorder [UI]
 RootPane.borderDragThickness   5
 RootPane.cornerDragWidth       16
@@ -769,7 +771,9 @@ RootPane.defaultButtonWindowKeyBindings length=8    [Ljava.lang.Object;
     [5] press
     [6] ctrl released ENTER
     [7] release
-RootPane.honorMinimumSizeOnResize true
+RootPane.honorDialogMinimumSizeOnResize true
+RootPane.honorFrameMinimumSizeOnResize false
+RootPane.inactiveBorderColor   #a3a3a3    com.formdev.flatlaf.util.DerivedColor [UI]    lighten(20% autoInverse)
 RootPaneUI                     com.formdev.flatlaf.ui.FlatRootPaneUI
 
 
@@ -1192,7 +1196,7 @@ Tree.drawsFocusBorderAroundIcon false
 Tree.dropCellBackground        [lazy] #3f8fd9    javax.swing.plaf.ColorUIResource [UI]
 Tree.dropCellForeground        [lazy] #ffffff    javax.swing.plaf.ColorUIResource [UI]
 Tree.dropLineColor             [lazy] #6aa7e1    javax.swing.plaf.ColorUIResource [UI]
-Tree.editorBorder              [lazy] line: #000000    java.awt.Color 1 false    1,1,1,1  true    javax.swing.plaf.BorderUIResource$LineBorderUIResource [UI]
+Tree.editorBorder              [lazy] 1,1,1,1  false    com.formdev.flatlaf.ui.FlatLineBorder [UI]    lineColor=#000000    javax.swing.plaf.ColorUIResource [UI]    lineThickness=1.000000
 Tree.expandedIcon              [lazy] 11,11    com.formdev.flatlaf.icons.FlatTreeExpandedIcon [UI]
 Tree.font                      [active] $defaultFont [UI]
 Tree.foreground                #000000    javax.swing.plaf.ColorUIResource [UI]
@@ -1218,6 +1222,7 @@ Tree.selectionBorderColor      #000000    javax.swing.plaf.ColorUIResource [UI]
 Tree.selectionForeground       #ffffff    javax.swing.plaf.ColorUIResource [UI]
 Tree.selectionInactiveBackground #d4d4d4    javax.swing.plaf.ColorUIResource [UI]
 Tree.selectionInactiveForeground #000000    javax.swing.plaf.ColorUIResource [UI]
+Tree.showCellFocusIndicator    false
 Tree.textBackground            #ffffff    javax.swing.plaf.ColorUIResource [UI]
 Tree.textForeground            #000000    javax.swing.plaf.ColorUIResource [UI]
 Tree.timeFactor                1000

flatlaf-theme-editor/build.gradle.kts

@@ -20,6 +20,8 @@ plugins {
 
 dependencies {
 	implementation( project( ":flatlaf-core" ) )
+	implementation( project( ":flatlaf-extras" ) )
 
-	implementation( "com.fifesoft:rsyntaxtextarea:3.1.0" )
+	implementation( "com.fifesoft:rsyntaxtextarea:3.1.1" )
+	implementation( "com.fifesoft:autocomplete:3.1.0" )
 }

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/UIDefaultsLoaderAccessor.java

@@ -16,6 +16,10 @@
 
 package com.formdev.flatlaf;
 
+import java.util.Collections;
+import java.util.function.Function;
+import com.formdev.flatlaf.UIDefaultsLoader.ValueType;
+
 /**
  * Enable accessing package private methods of {@link UIDefaultsLoader}.
  *
@@ -23,6 +27,40 @@ package com.formdev.flatlaf;
  */
 public class UIDefaultsLoaderAccessor
 {
+	public static Object UNKNOWN = ValueType.UNKNOWN;
+	public static Object STRING = ValueType.STRING;
+	public static Object BOOLEAN = ValueType.BOOLEAN;
+	public static Object CHARACTER = ValueType.CHARACTER;
+	public static Object INTEGER = ValueType.INTEGER;
+	public static Object FLOAT = ValueType.FLOAT;
+	public static Object BORDER = ValueType.BORDER;
+	public static Object ICON = ValueType.ICON;
+	public static Object INSETS = ValueType.INSETS;
+	public static Object DIMENSION = ValueType.DIMENSION;
+	public static Object COLOR = ValueType.COLOR;
+	public static Object SCALEDINTEGER = ValueType.SCALEDINTEGER;
+	public static Object SCALEDFLOAT = ValueType.SCALEDFLOAT;
+	public static Object SCALEDINSETS = ValueType.SCALEDINSETS;
+	public static Object SCALEDDIMENSION = ValueType.SCALEDDIMENSION;
+	public static Object INSTANCE = ValueType.INSTANCE;
+	public static Object CLASS = ValueType.CLASS;
+	public static Object GRAYFILTER = ValueType.GRAYFILTER;
+	public static Object NULL = ValueType.NULL;
+	public static Object LAZY = ValueType.LAZY;
+
+	public static String resolveValue( String value, Function<String, String> propertiesGetter ) {
+		return UIDefaultsLoader.resolveValue( value, propertiesGetter );
+	}
+
+	public static Object parseValue( String key, String value, Object[] resultValueType,
+		Function<String, String> resolver )
+	{
+		ValueType[] resultValueType2 = new ValueType[1];
+		Object result = UIDefaultsLoader.parseValue( key, value, resultValueType2, resolver, Collections.emptyList() );
+		resultValueType[0] = resultValueType2[0];
+		return result;
+	}
+
 	public static int parseColorRGBA( String value ) {
 		return UIDefaultsLoader.parseColorRGBA( value );
 	}

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatCompletionProvider.java

@@ -0,0 +1,363 @@
+/*
+ * Copyright 2020 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.themeeditor;
+
+import java.awt.Point;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.JTextComponent;
+import org.fife.ui.autocomplete.BasicCompletion;
+import org.fife.ui.autocomplete.Completion;
+import org.fife.ui.autocomplete.CompletionProvider;
+import org.fife.ui.autocomplete.CompletionProviderBase;
+import org.fife.ui.autocomplete.DefaultCompletionProvider;
+import org.fife.ui.autocomplete.FunctionCompletion;
+import org.fife.ui.autocomplete.ParameterizedCompletion;
+import org.fife.ui.autocomplete.ParameterizedCompletion.Parameter;
+import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
+
+/**
+ * @author Karl Tauber
+ */
+class FlatCompletionProvider
+	extends CompletionProviderBase
+{
+	private KeyCompletionProvider keyProvider;
+	private ReferenceCompletionProvider referenceProvider;
+	private ValueCompletionProvider valueProvider;
+
+	FlatCompletionProvider() {
+	}
+
+	@Override
+	public String getAlreadyEnteredText( JTextComponent comp ) {
+		CompletionProvider provider = getProviderFor( comp );
+		return (provider != null) ? provider.getAlreadyEnteredText( comp ) : null;
+	}
+
+	@Override
+	public List<Completion> getCompletionsAt( JTextComponent comp, Point p ) {
+		CompletionProvider provider = getProviderFor( comp );
+		return (provider != null) ? provider.getCompletionsAt( comp, p ) : null;
+	}
+
+	@Override
+	public List<ParameterizedCompletion> getParameterizedCompletions( JTextComponent comp ) {
+		CompletionProvider provider = getProviderFor( comp );
+		return (provider != null) ? provider.getParameterizedCompletions( comp ) : null;
+	}
+
+	@Override
+	protected List<Completion> getCompletionsImpl( JTextComponent comp ) {
+		CompletionProvider provider = getProviderFor( comp );
+		return (provider != null) ? provider.getCompletions( comp ) : null;
+	}
+
+	@Override
+	public boolean isAutoActivateOkay( JTextComponent comp ) {
+		CompletionProvider provider = getProviderFor( comp );
+		return (provider != null) ? provider.isAutoActivateOkay( comp ) : null;
+	}
+
+	private CompletionProvider getProviderFor( JTextComponent comp ) {
+		RSyntaxTextArea rsta = (RSyntaxTextArea) comp;
+		try {
+			int caretPosition = rsta.getCaretPosition();
+			int currentLine = rsta.getLineOfOffset( caretPosition );
+			int lineStart = rsta.getLineStartOffset( currentLine );
+			int lineEnd = rsta.getLineEndOffset( currentLine );
+
+			if( caretPosition <= lineStart ) {
+				// caret is at the start of the line
+				String line = rsta.getText( lineStart, lineEnd - lineStart );
+				if( line.trim().startsWith( "#" ) )
+					return null;
+			}
+
+			String lineBeforeCaret = rsta.getText( lineStart, caretPosition - lineStart );
+			if( lineBeforeCaret.trim().startsWith( "#" ) )
+				return null;
+
+			// key
+			if( lineBeforeCaret.indexOf( '=' ) < 0 )
+				return getKeyProvider();
+
+			// value
+			for( int i = lineBeforeCaret.length() - 1; i >= 0; i-- ) {
+				switch( lineBeforeCaret.charAt( i ) ) {
+					case '=':
+					case '(':
+						return getValueProvider();
+
+					case '$':
+					case '@':
+						return getReferenceProvider();
+
+					case ' ':
+					case '\t':
+					case '#': // colors
+						return null;
+				}
+			}
+			return null;
+
+		} catch( BadLocationException ex ) {
+			// ignore
+			return null;
+		}
+	}
+
+	private CompletionProvider getKeyProvider() {
+		if( keyProvider == null )
+			keyProvider = KeyCompletionProvider.getInstance();
+		return keyProvider;
+	}
+
+	private CompletionProvider getReferenceProvider() {
+		if( referenceProvider == null )
+			referenceProvider = new ReferenceCompletionProvider();
+		return referenceProvider;
+	}
+
+	private CompletionProvider getValueProvider() {
+		if( valueProvider == null )
+			valueProvider = new ValueCompletionProvider();
+		return valueProvider;
+	}
+
+	//---- class KeyCompletionProvider ----------------------------------------
+
+	/**
+	 * A completion provider for keys, which always uses all known/predefined keys.
+	 */
+	private static final class KeyCompletionProvider
+		extends BaseCompletionProvider
+	{
+		private static KeyCompletionProvider instance;
+
+		static KeyCompletionProvider getInstance() {
+			if( instance == null )
+				instance = new KeyCompletionProvider();
+			return instance;
+		}
+
+		KeyCompletionProvider() {
+			setAutoActivationRules( true, "." );
+
+			// load all keys
+			HashSet<String> keys = new HashSet<>();
+			try {
+				try( InputStream in = getClass().getResourceAsStream( "/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt" ) ) {
+					if( in != null ) {
+						try( BufferedReader reader = new BufferedReader( new InputStreamReader( in, "UTF-8" ) ) ) {
+							String key;
+							while( (key = reader.readLine()) != null ) {
+								keys.add( key );
+							}
+						}
+					}
+				}
+			} catch( IOException ex ) {
+				ex.printStackTrace(); // TODO
+			}
+
+			// collect key parts
+			HashSet<String> keyParts = new HashSet<>();
+			for( String key : keys ) {
+				int delimIndex = key.length() + 1;
+				while( (delimIndex = key.lastIndexOf( '.', delimIndex - 1 )) >= 0 ) {
+					String part = key.substring( 0, delimIndex );
+					if( !keys.contains( part ) )
+						keyParts.add( part );
+				}
+			}
+
+			// add key parts
+			addWordCompletions( keyParts.toArray( new String[keyParts.size()] ) );
+
+			// add all keys
+			addWordCompletions( keys.toArray( new String[keys.size()] ) );
+		}
+
+		@Override
+		protected boolean isValidChar( char ch ) {
+			return super.isValidChar( ch ) || ch == '.';
+		}
+	}
+
+	//---- class BaseCompletionProvider ---------------------------------------
+
+	//TODO remove if https://github.com/bobbylight/AutoComplete/issues/77 is fixed
+	private static class BaseCompletionProvider
+		extends DefaultCompletionProvider
+	{
+		private boolean autoActivateAfterLetters;
+		private String autoActivateChars;
+
+		@Override
+		public boolean isAutoActivateOkay( JTextComponent comp ) {
+			int caretPosition = comp.getCaretPosition();
+			if( caretPosition <= 0 )
+				return false;
+
+			try {
+				char ch = comp.getText( caretPosition - 1, 1 ).charAt( 0 );
+				return (autoActivateAfterLetters && Character.isLetter( ch )) ||
+					(autoActivateChars != null && autoActivateChars.indexOf( ch ) >= 0);
+			} catch( BadLocationException | IndexOutOfBoundsException ex ) {
+				// ignore
+				return false;
+			}
+		}
+
+		@Override
+		public void setAutoActivationRules( boolean letters, String others ) {
+			autoActivateAfterLetters = letters;
+			autoActivateChars = others;
+		}
+	}
+
+	//---- class ReferenceCompletionProvider ----------------------------------
+
+	/**
+	 * A completion provider for references within values. Only keys defined
+	 * in current properties file and in base properties files are used.
+	 */
+	private static class ReferenceCompletionProvider
+		extends BaseCompletionProvider
+	{
+		private Set<String> lastKeys;
+
+		ReferenceCompletionProvider() {
+			setAutoActivationRules( true, "$@." );
+		}
+
+		@Override
+		protected boolean isValidChar( char ch ) {
+			return super.isValidChar( ch ) || ch == '.' || ch == '$' || ch == '@';
+		}
+
+		@Override
+		protected List<Completion> getCompletionsImpl( JTextComponent comp ) {
+			updateCompletions( comp );
+			return super.getCompletionsImpl( comp );
+		}
+
+		@Override
+		public List<Completion> getCompletionsAt( JTextComponent comp, Point pt ) {
+			updateCompletions( comp );
+			return super.getCompletionsAt( comp, pt );
+		}
+
+		@Override
+		public List<ParameterizedCompletion> getParameterizedCompletions( JTextComponent comp ) {
+			updateCompletions( comp );
+			return super.getParameterizedCompletions( comp );
+		}
+
+		private void updateCompletions( JTextComponent comp ) {
+			FlatSyntaxTextArea fsta = (FlatSyntaxTextArea) comp;
+			Set<String> keys = fsta.propertiesSupport.getAllKeys();
+			if( keys == lastKeys )
+				return;
+
+			completions.clear();
+			for( String key : keys ) {
+				if( key.startsWith( "*." ) )
+					continue;
+
+				if( !key.startsWith( "@" ) )
+					key = "$".concat( key );
+
+				completions.add( new BasicCompletion( this, key ) );
+			}
+			Collections.sort(completions);
+		}
+	}
+
+	//---- class ValueCompletionProvider --------------------------------------
+
+	/**
+	 * A completion provider for values.
+	 */
+	private static class ValueCompletionProvider
+		extends BaseCompletionProvider
+	{
+		ValueCompletionProvider() {
+			setAutoActivationRules( true, null );
+			setParameterizedCompletionParams( '(', ",", ')' );
+
+			addFunction( "rgb",
+				"red", "0-255 or 0-100%",
+				"green", "0-255 or 0-100%",
+				"blue", "0-255 or 0-100%" );
+			addFunction( "rgba",
+				"red", "0-255 or 0-100%",
+				"green", "0-255 or 0-100%",
+				"blue", "0-255 or 0-100%",
+				"alpha", "0-255 or 0-100%" );
+
+			addFunction( "hsl",
+				"hue", "0-360 representing degrees",
+				"saturation", "0-100%",
+				"lightness",  "0-100%" );
+			addFunction( "hsla",
+				"hue", "0-360 representing degrees",
+				"saturation", "0-100%",
+				"lightness",  "0-100%",
+				"alpha", "0-100%" );
+
+			String[] hslIncreaseDecreaseParams = {
+				"color", "a color (e.g. #f00), a reference (e.g. $Other.key) or a color function",
+				"amount", "0-100%",
+				"options", "(optional) [relative] [autoInverse] [noAutoInverse] [lazy] [derived]"
+			};
+			addFunction( "lighten", hslIncreaseDecreaseParams );
+			addFunction( "darken", hslIncreaseDecreaseParams );
+			addFunction( "saturate", hslIncreaseDecreaseParams );
+			addFunction( "desaturate", hslIncreaseDecreaseParams );
+		}
+
+		private void addFunction( String name, String... paramNamesAndDescs ) {
+			List<Parameter> params = new ArrayList<>();
+			for( int i = 0; i < paramNamesAndDescs.length; i += 2 ) {
+				boolean endParam = i + 2 >= paramNamesAndDescs.length;
+				Parameter param = new Parameter( null, paramNamesAndDescs[i], endParam );
+				param.setDescription( paramNamesAndDescs[i + 1] );
+				params.add( param );
+			}
+
+			FunctionCompletion f = new FunctionCompletion( this, name, null ) {
+				@Override
+				public String toString() {
+					return getDefinitionString().replace( "(", " (" ).replace( ",", ", " );
+				}
+			};
+
+			f.setParams( params );
+			addCompletion( f );
+		}
+	}
+}

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatOccurrenceMarker.java

@@ -58,7 +58,7 @@ class FlatOccurrenceMarker
 		// make a copy of the token because it is overwritten in getTokenListForLine()
 		Token t2 = new TokenImpl( t );
 
-		// check whether token occurres more than once
+		// check whether token occurs more than once
 		boolean mark = false;
 		for( int i = 0; i < lineCount && !mark; i++ ) {
 			Token temp = doc.getTokenListForLine( i );

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatSyntaxTextArea.java

@@ -34,6 +34,7 @@ class FlatSyntaxTextArea
 {
 	private boolean useColorOfColorTokens;
 
+	final FlatThemePropertiesSupport propertiesSupport = new FlatThemePropertiesSupport( this );
 	private final Map<String, Color> parsedColorsMap = new HashMap<>();
 
 	FlatSyntaxTextArea() {

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemeEditorOverlay.java

@@ -103,11 +103,18 @@ class FlatThemeEditorOverlay
 				g.setColor( color );
 				g.fillRect( px, r.y, pw, r.height );
 
+				// if color is semi-transparent paint also none-transparent color
+				int alpha = color.getAlpha();
+				if( alpha != 255 && pw > r.height * 2 ) {
+					g.setColor( new Color( color.getRGB() ) );
+					g.fillRect( px + pw - r.height, r.y, r.height, r.height );
+				}
+
 				// paint text
 				int textX = px - maxTextWidth;
 				if( textX > r.x + gap) {
 					float[] hsl = HSLColor.fromRGB( color );
-					String hslStr = String.format( "HSL %d %d %d",
+					String hslStr = String.format( "HSL %3d %2d %2d",
 						Math.round( hsl[0] ), Math.round( hsl[1] ), Math.round( hsl[2] ) );
 					g.setColor( textArea.getForeground() );
 					FlatUIUtils.drawString( textArea, g, hslStr, textX,
@@ -120,6 +127,10 @@ class FlatThemeEditorOverlay
 	}
 
 	private Color getColorInLine( FlatSyntaxTextArea textArea, int line ) {
+		Object value = textArea.propertiesSupport.getParsedValueAtLine( line );
+		if( value instanceof Color )
+			return (Color) value;
+
 		Token token = textArea.getTokenListForLine( line );
 		for( Token t = token; t != null && t.isPaintable(); t = t.getNextToken() ) {
 			if( t.getType() == FlatThemeTokenMaker.TOKEN_COLOR ) {

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemeEditorPane.java

@@ -19,10 +19,15 @@ package com.formdev.flatlaf.themeeditor;
 import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Font;
+import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
+import java.util.List;
 import javax.swing.JLayer;
 import javax.swing.JPanel;
+import org.fife.ui.autocomplete.AutoCompletion;
+import org.fife.ui.autocomplete.CompletionProvider;
 import org.fife.ui.rsyntaxtextarea.AbstractTokenMakerFactory;
 import org.fife.ui.rsyntaxtextarea.FileLocation;
 import org.fife.ui.rsyntaxtextarea.SyntaxScheme;
@@ -59,8 +64,8 @@ class FlatThemeEditorPane
 //		textArea.setUseColorOfColorTokens( true );
 
 		// theme
-		try {
-			Theme theme = Theme.load( getClass().getResourceAsStream( "light.xml" ) );
+		try( InputStream in = getClass().getResourceAsStream( "light.xml" ) ) {
+			Theme theme = Theme.load( in );
 			theme.apply( textArea );
 		} catch( IOException ex ) {
 			ex.printStackTrace();
@@ -72,6 +77,16 @@ class FlatThemeEditorPane
 		scheme.getStyle( FlatThemeTokenMaker.TOKEN_COLOR ).background = new Color( 0x0a000000, true );
 		scheme.getStyle( FlatThemeTokenMaker.TOKEN_VARIABLE ).background = new Color( 0x1800cc00, true );
 
+		// autocomplete
+		CompletionProvider provider = new FlatCompletionProvider();
+		AutoCompletion ac = new AutoCompletion( provider );
+		ac.setAutoCompleteSingleChoices( false );
+		ac.setAutoActivationEnabled( true );
+		ac.setParameterAssistanceEnabled( true );
+		ac.setChoicesWindowSize( UIScale.scale( 300 ), UIScale.scale( 400 ) );
+		ac.setDescriptionWindowSize( UIScale.scale( 300 ), UIScale.scale( 400 ) );
+		ac.install( textArea );
+
 		// create overlay layer
 		JLayer<FlatSyntaxTextArea> overlay = new JLayer<>( textArea, new FlatThemeEditorOverlay() );
 
@@ -94,7 +109,19 @@ class FlatThemeEditorPane
 		return font.deriveFont( (float) newFontSize );
 	}
 
-	public void load( FileLocation loc ) throws IOException {
+	void setBaseFiles( List<File> baseFiles ) {
+		textArea.propertiesSupport.setBaseFiles( baseFiles );
+	}
+
+	void load( FileLocation loc ) throws IOException {
 		textArea.load( loc, StandardCharsets.ISO_8859_1 );
 	}
+
+	void save() {
+		try {
+			textArea.save();
+		} catch( IOException ex ) {
+			ex.printStackTrace(); // TODO
+		}
+	}
 }

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemeFileEditor.java

@@ -16,12 +16,19 @@
 
 package com.formdev.flatlaf.themeeditor;
 
-import java.awt.*;
+import java.awt.BorderLayout;
+import java.awt.Container;
+import java.awt.Dimension;
+import java.awt.Toolkit;
+import java.awt.event.KeyEvent;
 import java.io.File;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 import javax.swing.*;
 import org.fife.ui.rsyntaxtextarea.FileLocation;
 import com.formdev.flatlaf.FlatLightLaf;
+import com.formdev.flatlaf.extras.FlatInspector;
 import com.formdev.flatlaf.util.UIScale;
 
 /**
@@ -37,17 +44,29 @@ public class FlatThemeFileEditor
 			? args[0]
 			: "theme-editor-test.properties" ); // TODO
 
+		List<File> baseFiles = new ArrayList<>();
+		for( int i = 1; i < args.length; i++ )
+			baseFiles.add( new File( args[i] ) );
+
 		SwingUtilities.invokeLater( () -> {
 			FlatLightLaf.install();
+			FlatInspector.install( "ctrl alt shift X" );
 
 			FlatThemeFileEditor frame = new FlatThemeFileEditor();
 
+			frame.themeEditorArea.setBaseFiles( baseFiles );
 			try {
 				frame.themeEditorArea.load( FileLocation.create( file ) );
 			} catch( IOException ex ) {
 				ex.printStackTrace();
 			}
 
+			int menuShortcutKeyMask = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
+			((JComponent)frame.getContentPane()).registerKeyboardAction(
+				e -> frame.themeEditorArea.save(),
+				KeyStroke.getKeyStroke( KeyEvent.VK_S, menuShortcutKeyMask ),
+				JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT );
+
 			Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
 			frame.setSize( Math.min( UIScale.scale( 800 ), screenSize.width ),
 				screenSize.height - UIScale.scale( 100 ) );

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemePropertiesSupport.java

@@ -0,0 +1,233 @@
+/*
+ * Copyright 2020 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.themeeditor;
+
+import java.awt.Color;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringReader;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+import java.util.function.Function;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+import javax.swing.text.BadLocationException;
+import com.formdev.flatlaf.UIDefaultsLoaderAccessor;
+
+/**
+ * Supports parsing content of text area in FlatLaf properties syntax.
+ *
+ * @author Karl Tauber
+ */
+class FlatThemePropertiesSupport
+	implements DocumentListener
+{
+	private final FlatSyntaxTextArea textArea;
+	private final Function<String, String> propertiesGetter;
+	private final Function<String, String> resolver;
+	private Properties propertiesCache;
+	private final Map<Integer, Object> parsedValueCache = new HashMap<>();
+
+	private File[] baseFiles;
+	private long[] baseFilesLastModified;
+	private Properties[] basePropertiesCache;
+
+	private Set<String> allKeysCache;
+
+	FlatThemePropertiesSupport( FlatSyntaxTextArea textArea ) {
+		this.textArea = textArea;
+
+		propertiesGetter = key -> {
+			return getProperty( key );
+		};
+		resolver = v -> {
+			return resolveValue( v );
+		};
+
+		textArea.getDocument().addDocumentListener( this );
+	}
+
+	void setBaseFiles( List<File> baseFiles ) {
+		int size = baseFiles.size();
+		this.baseFiles = baseFiles.toArray( new File[size] );
+
+		baseFilesLastModified = new long[size];
+		basePropertiesCache = new Properties[size];
+	}
+
+	private String resolveValue( String value ) {
+		return UIDefaultsLoaderAccessor.resolveValue( value, propertiesGetter );
+	}
+
+	Object getParsedValueAtLine( int line ) {
+		Integer lineKey = line;
+		Object parsedValue = parsedValueCache.get( lineKey );
+		if( parsedValue != null )
+			return !(parsedValue instanceof Exception) ? parsedValue : null;
+
+		KeyValue keyValue = getKeyValueAtLine( line );
+		if( keyValue == null )
+			return null;
+
+		try {
+			Object[] resultValueType = new Object[1];
+			String value = resolveValue( keyValue.value );
+			parsedValue = UIDefaultsLoaderAccessor.parseValue( keyValue.key, value, resultValueType, resolver );
+			parsedValueCache.put( lineKey, parsedValue );
+			return parsedValue;
+		} catch( Exception ex ) {
+			System.out.println( ex.getMessage() ); //TODO
+			parsedValueCache.put( lineKey, ex );
+			return null;
+		}
+	}
+
+	private KeyValue getKeyValueAtLine( int line ) {
+		try {
+			int startOffset = textArea.getLineStartOffset( line );
+			int endOffset = textArea.getLineEndOffset( line );
+			String text = textArea.getText( startOffset, endOffset - startOffset );
+
+			Properties properties = new Properties();
+			properties.load( new StringReader( text ) );
+			if( properties.isEmpty() )
+				return null;
+
+			String key = (String) properties.keys().nextElement();
+			String value = properties.getProperty( key );
+			return new KeyValue( key, value );
+		} catch( BadLocationException | IOException ex ) {
+			// ignore
+			return null;
+		}
+	}
+
+	private String getProperty( String key ) {
+		// look in current text area
+		String value = getProperties().getProperty( key );
+		if( value != null )
+			return value;
+
+		if( baseFiles == null )
+			return null;
+
+		// look in base properties files
+		for( int i = 0; i < baseFiles.length; i++ ) {
+			value = getBaseProperties( i ).getProperty( key );
+			if( value != null )
+				return value;
+		}
+
+		return null;
+	}
+
+	private Properties getProperties() {
+		if( propertiesCache != null )
+			return propertiesCache;
+
+		propertiesCache = new Properties();
+		try {
+			propertiesCache.load( new StringReader( textArea.getText() ) );
+		} catch( IOException ex ) {
+			ex.printStackTrace(); //TODO
+		}
+		return propertiesCache;
+	}
+
+	private Properties getBaseProperties( int index ) {
+		long lastModified = baseFiles[index].lastModified();
+		if( baseFilesLastModified[index] != lastModified || basePropertiesCache[index] == null ) {
+			// (re)load base properties file
+			baseFilesLastModified[index] = lastModified;
+			basePropertiesCache[index] = new Properties();
+			try( InputStream in = new FileInputStream( baseFiles[index] ) ) {
+				basePropertiesCache[index].load( in );
+			} catch( IOException ex ) {
+				ex.printStackTrace(); //TODO
+			}
+		}
+
+		return basePropertiesCache[index];
+	}
+
+	Set<String> getAllKeys() {
+		if( allKeysCache != null )
+			return allKeysCache;
+
+		allKeysCache = new HashSet<>();
+
+		for( Object key : getProperties().keySet() )
+			allKeysCache.add( (String) key );
+
+		for( int i = 0; i < baseFiles.length; i++ ) {
+			for( Object key : getBaseProperties( i ).keySet() )
+				allKeysCache.add( (String) key );
+		}
+
+		return allKeysCache;
+	}
+
+	private void clearCache() {
+		propertiesCache = null;
+		parsedValueCache.clear();
+		allKeysCache = null;
+	}
+
+	//---- interface DocumentListener ----
+
+	@Override
+	public void insertUpdate( DocumentEvent e ) {
+		clearCache();
+	}
+
+	@Override
+	public void removeUpdate( DocumentEvent e ) {
+		clearCache();
+	}
+
+	@Override
+	public void changedUpdate( DocumentEvent e ) {
+	}
+
+	//---- class KeyValue -----------------------------------------------------
+
+	static class CacheLineInfo {
+		Object parsedValue;
+		Object valueType;
+		Exception parseError;
+
+		Color origColor;
+	}
+
+	//---- class KeyValue -----------------------------------------------------
+
+	static class KeyValue {
+		final String key;
+		final String value;
+
+		KeyValue( String key, String value ) {
+			this.key = key;
+			this.value = value;
+		}
+	}
+}

flatlaf-theme-editor/src/main/resources/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt

@@ -0,0 +1,921 @@
+Actions.Blue
+Actions.Green
+Actions.Grey
+Actions.GreyInline
+Actions.Red
+Actions.Yellow
+AuditoryCues.allAuditoryCues
+AuditoryCues.cueList
+AuditoryCues.noAuditoryCues
+BusyLabelUI
+Button.arc
+Button.background
+Button.border
+Button.borderColor
+Button.darkShadow
+Button.default.background
+Button.default.boldText
+Button.default.borderColor
+Button.default.borderWidth
+Button.default.focusColor
+Button.default.focusedBackground
+Button.default.focusedBorderColor
+Button.default.foreground
+Button.default.hoverBackground
+Button.default.hoverBorderColor
+Button.default.pressedBackground
+Button.defaultButtonFollowsFocus
+Button.disabledBackground
+Button.disabledBorderColor
+Button.disabledText
+Button.focusInputMap
+Button.focusedBackground
+Button.focusedBorderColor
+Button.font
+Button.foreground
+Button.highlight
+Button.hoverBackground
+Button.hoverBorderColor
+Button.iconTextGap
+Button.light
+Button.margin
+Button.minimumWidth
+Button.pressedBackground
+Button.rollover
+Button.shadow
+Button.textIconGap
+Button.textShiftOffset
+Button.toolbar.hoverBackground
+Button.toolbar.margin
+Button.toolbar.pressedBackground
+Button.toolbar.spacingInsets
+ButtonUI
+Caret.width
+CheckBox.arc
+CheckBox.background
+CheckBox.border
+CheckBox.disabledText
+CheckBox.focusInputMap
+CheckBox.font
+CheckBox.foreground
+CheckBox.icon
+CheckBox.icon.background
+CheckBox.icon.borderColor
+CheckBox.icon.checkmarkColor
+CheckBox.icon.disabledBackground
+CheckBox.icon.disabledBorderColor
+CheckBox.icon.disabledCheckmarkColor
+CheckBox.icon.focusedBackground
+CheckBox.icon.focusedBorderColor
+CheckBox.icon.hoverBackground
+CheckBox.icon.hoverBorderColor
+CheckBox.icon.pressedBackground
+CheckBox.icon.selectedBackground
+CheckBox.icon.selectedBorderColor
+CheckBox.icon.selectedFocusedBorderColor
+CheckBox.icon.style
+CheckBox.iconTextGap
+CheckBox.icon[filled].checkmarkColor
+CheckBox.icon[filled].selectedBackground
+CheckBox.icon[filled].selectedBorderColor
+CheckBox.icon[filled].selectedFocusedBackground
+CheckBox.icon[filled].selectedFocusedBorderColor
+CheckBox.icon[filled].selectedFocusedCheckmarkColor
+CheckBox.icon[filled].selectedHoverBackground
+CheckBox.icon[filled].selectedPressedBackground
+CheckBox.margin
+CheckBox.rollover
+CheckBox.textIconGap
+CheckBox.textShiftOffset
+CheckBoxMenuItem.acceleratorFont
+CheckBoxMenuItem.acceleratorForeground
+CheckBoxMenuItem.acceleratorSelectionForeground
+CheckBoxMenuItem.arrowIcon
+CheckBoxMenuItem.background
+CheckBoxMenuItem.border
+CheckBoxMenuItem.borderPainted
+CheckBoxMenuItem.checkIcon
+CheckBoxMenuItem.disabledForeground
+CheckBoxMenuItem.font
+CheckBoxMenuItem.foreground
+CheckBoxMenuItem.margin
+CheckBoxMenuItem.opaque
+CheckBoxMenuItem.selectionBackground
+CheckBoxMenuItem.selectionForeground
+CheckBoxMenuItemUI
+CheckBoxUI
+ColorChooser.background
+ColorChooser.font
+ColorChooser.foreground
+ColorChooser.swatchesDefaultRecentColor
+ColorChooser.swatchesRecentSwatchSize
+ColorChooser.swatchesSwatchSize
+ColorChooserUI
+ComboBox.ancestorInputMap
+ComboBox.background
+ComboBox.border
+ComboBox.buttonArrowColor
+ComboBox.buttonBackground
+ComboBox.buttonDarkShadow
+ComboBox.buttonDisabledArrowColor
+ComboBox.buttonEditableBackground
+ComboBox.buttonHighlight
+ComboBox.buttonHoverArrowColor
+ComboBox.buttonShadow
+ComboBox.buttonStyle
+ComboBox.disabledBackground
+ComboBox.disabledForeground
+ComboBox.editorColumns
+ComboBox.font
+ComboBox.foreground
+ComboBox.isEnterSelectablePopup
+ComboBox.maximumRowCount
+ComboBox.minimumWidth
+ComboBox.noActionOnKeyNavigation
+ComboBox.padding
+ComboBox.selectionBackground
+ComboBox.selectionForeground
+ComboBox.timeFactor
+ComboBoxUI
+Component.arc
+Component.arrowType
+Component.borderColor
+Component.custom.borderColor
+Component.disabledBorderColor
+Component.error.borderColor
+Component.error.focusedBorderColor
+Component.focusColor
+Component.focusWidth
+Component.focusedBorderColor
+Component.grayFilter
+Component.hideMnemonics
+Component.innerFocusWidth
+Component.innerOutlineWidth
+Component.linkColor
+Component.minimumWidth
+Component.warning.borderColor
+Component.warning.focusedBorderColor
+DatePickerUI
+Desktop.ancestorInputMap
+Desktop.background
+Desktop.minOnScreenInsets
+DesktopIcon.background
+DesktopIcon.border
+DesktopIcon.closeIcon
+DesktopIcon.closeSize
+DesktopIcon.foreground
+DesktopIcon.iconSize
+DesktopIconUI
+DesktopPaneUI
+EditorPane.background
+EditorPane.border
+EditorPane.caretBlinkRate
+EditorPane.caretForeground
+EditorPane.disabledBackground
+EditorPane.focusInputMap
+EditorPane.font
+EditorPane.foreground
+EditorPane.inactiveBackground
+EditorPane.inactiveForeground
+EditorPane.margin
+EditorPane.selectionBackground
+EditorPane.selectionForeground
+EditorPaneUI
+FileChooser.ancestorInputMap
+FileChooser.detailsViewIcon
+FileChooser.homeFolderIcon
+FileChooser.listViewIcon
+FileChooser.newFolderIcon
+FileChooser.readOnly
+FileChooser.upFolderIcon
+FileChooser.useSystemExtensionHiding
+FileChooser.usesSingleFilePane
+FileChooserUI
+FileView.computerIcon
+FileView.directoryIcon
+FileView.fileIcon
+FileView.floppyDriveIcon
+FileView.hardDriveIcon
+FormattedTextField.background
+FormattedTextField.border
+FormattedTextField.caretBlinkRate
+FormattedTextField.caretForeground
+FormattedTextField.disabledBackground
+FormattedTextField.focusInputMap
+FormattedTextField.font
+FormattedTextField.foreground
+FormattedTextField.inactiveBackground
+FormattedTextField.inactiveForeground
+FormattedTextField.margin
+FormattedTextField.placeholderForeground
+FormattedTextField.selectionBackground
+FormattedTextField.selectionForeground
+FormattedTextFieldUI
+HeaderUI
+HelpButton.background
+HelpButton.borderColor
+HelpButton.disabledBackground
+HelpButton.disabledBorderColor
+HelpButton.disabledQuestionMarkColor
+HelpButton.focusedBackground
+HelpButton.focusedBorderColor
+HelpButton.hoverBackground
+HelpButton.hoverBorderColor
+HelpButton.icon
+HelpButton.pressedBackground
+HelpButton.questionMarkColor
+Hyperlink.disabledText
+Hyperlink.linkColor
+Hyperlink.visitedColor
+HyperlinkUI
+InternalFrame.activeBorderColor
+InternalFrame.activeDropShadowInsets
+InternalFrame.activeDropShadowOpacity
+InternalFrame.activeTitleBackground
+InternalFrame.activeTitleForeground
+InternalFrame.border
+InternalFrame.borderColor
+InternalFrame.borderDarkShadow
+InternalFrame.borderHighlight
+InternalFrame.borderLight
+InternalFrame.borderLineWidth
+InternalFrame.borderMargins
+InternalFrame.borderShadow
+InternalFrame.buttonHoverBackground
+InternalFrame.buttonPressedBackground
+InternalFrame.buttonSize
+InternalFrame.closeHoverBackground
+InternalFrame.closeHoverForeground
+InternalFrame.closeIcon
+InternalFrame.closePressedBackground
+InternalFrame.closePressedForeground
+InternalFrame.dropShadowPainted
+InternalFrame.icon
+InternalFrame.iconifyIcon
+InternalFrame.inactiveBorderColor
+InternalFrame.inactiveDropShadowInsets
+InternalFrame.inactiveDropShadowOpacity
+InternalFrame.inactiveTitleBackground
+InternalFrame.inactiveTitleForeground
+InternalFrame.maximizeIcon
+InternalFrame.minimizeIcon
+InternalFrame.titleFont
+InternalFrameTitlePane.border
+InternalFrameTitlePane.closeButtonOpacity
+InternalFrameTitlePane.iconifyButtonOpacity
+InternalFrameTitlePane.maximizeButtonOpacity
+InternalFrameUI
+JXBusyLabel.baseColor
+JXBusyLabel.highlightColor
+JXDatePicker.border
+JXHeader.background
+JXHeader.startBackground
+JXMonthView.arrowColor
+JXMonthView.background
+JXMonthView.daysOfTheWeekForeground
+JXMonthView.disabledArrowColor
+JXMonthView.flaggedDayForeground
+JXMonthView.leadingDayForeground
+JXMonthView.monthDownFileName
+JXMonthView.monthStringBackground
+JXMonthView.monthStringForeground
+JXMonthView.monthUpFileName
+JXMonthView.selectedBackground
+JXMonthView.trailingDayForeground
+JXMonthView.unselectableDayForeground
+JXMonthView.weekOfTheYearForeground
+JXTitledPanel.borderColor
+JXTitledPanel.captionInsets
+JXTitledPanel.titleBackground
+JXTitledPanel.titleForeground
+JideTabbedPane.background
+JideTabbedPane.contentBorderInsets
+JideTabbedPane.foreground
+JideTabbedPane.shadow
+JideTabbedPane.tabAreaBackground
+JideTabbedPane.tabAreaInsets
+JideTabbedPane.tabInsets
+JideTabbedPane.tabRunOverlay
+JideTabbedPaneUI
+Label.background
+Label.disabledForeground
+Label.disabledShadow
+Label.font
+Label.foreground
+LabelUI
+List.background
+List.border
+List.cellFocusColor
+List.cellMargins
+List.cellNoFocusBorder
+List.cellRenderer
+List.dropCellBackground
+List.dropCellForeground
+List.dropLineColor
+List.focusCellHighlightBorder
+List.focusInputMap
+List.focusInputMap.RightToLeft
+List.focusSelectedCellHighlightBorder
+List.font
+List.foreground
+List.noFocusBorder
+List.selectionBackground
+List.selectionForeground
+List.selectionInactiveBackground
+List.selectionInactiveForeground
+List.showCellFocusIndicator
+List.timeFactor
+ListUI
+Menu.acceleratorFont
+Menu.acceleratorForeground
+Menu.acceleratorSelectionForeground
+Menu.arrowIcon
+Menu.background
+Menu.border
+Menu.borderPainted
+Menu.cancelMode
+Menu.crossMenuMnemonic
+Menu.disabledForeground
+Menu.font
+Menu.foreground
+Menu.icon.arrowColor
+Menu.icon.disabledArrowColor
+Menu.margin
+Menu.menuPopupOffsetX
+Menu.menuPopupOffsetY
+Menu.opaque
+Menu.preserveTopLevelSelection
+Menu.selectionBackground
+Menu.selectionForeground
+Menu.shortcutKeys
+Menu.submenuPopupOffsetX
+Menu.submenuPopupOffsetY
+MenuBar.background
+MenuBar.border
+MenuBar.borderColor
+MenuBar.font
+MenuBar.foreground
+MenuBar.highlight
+MenuBar.hoverBackground
+MenuBar.itemMargins
+MenuBar.shadow
+MenuBar.windowBindings
+MenuBarUI
+MenuItem.acceleratorArrowGap
+MenuItem.acceleratorDelimiter
+MenuItem.acceleratorFont
+MenuItem.acceleratorForeground
+MenuItem.acceleratorSelectionForeground
+MenuItem.arrowIcon
+MenuItem.background
+MenuItem.border
+MenuItem.borderPainted
+MenuItem.checkBackground
+MenuItem.checkMargins
+MenuItem.disabledForeground
+MenuItem.font
+MenuItem.foreground
+MenuItem.iconTextGap
+MenuItem.margin
+MenuItem.minimumIconSize
+MenuItem.minimumWidth
+MenuItem.opaque
+MenuItem.selectionBackground
+MenuItem.selectionForeground
+MenuItem.textAcceleratorGap
+MenuItem.textNoAcceleratorGap
+MenuItem.underlineSelectionBackground
+MenuItem.underlineSelectionCheckBackground
+MenuItem.underlineSelectionColor
+MenuItem.underlineSelectionHeight
+MenuItemCheckBox.icon.checkmarkColor
+MenuItemCheckBox.icon.disabledCheckmarkColor
+MenuItemUI
+MenuUI
+MonthViewUI
+Objects.BlackText
+Objects.Blue
+Objects.Green
+Objects.GreenAndroid
+Objects.Grey
+Objects.Pink
+Objects.Purple
+Objects.Red
+Objects.RedStatus
+Objects.Yellow
+Objects.YellowDark
+OptionPane.background
+OptionPane.border
+OptionPane.buttonAreaBorder
+OptionPane.buttonClickThreshhold
+OptionPane.buttonMinimumWidth
+OptionPane.buttonOrientation
+OptionPane.buttonPadding
+OptionPane.errorIcon
+OptionPane.font
+OptionPane.foreground
+OptionPane.iconMessageGap
+OptionPane.informationIcon
+OptionPane.maxCharactersPerLine
+OptionPane.messageAreaBorder
+OptionPane.messagePadding
+OptionPane.minimumSize
+OptionPane.questionIcon
+OptionPane.sameSizeButtons
+OptionPane.setButtonMargin
+OptionPane.warningIcon
+OptionPane.windowBindings
+OptionPaneUI
+Panel.background
+Panel.font
+Panel.foreground
+PanelUI
+PasswordField.background
+PasswordField.border
+PasswordField.capsLockIcon
+PasswordField.capsLockIconColor
+PasswordField.caretBlinkRate
+PasswordField.caretForeground
+PasswordField.disabledBackground
+PasswordField.echoChar
+PasswordField.focusInputMap
+PasswordField.font
+PasswordField.foreground
+PasswordField.inactiveBackground
+PasswordField.inactiveForeground
+PasswordField.margin
+PasswordField.placeholderForeground
+PasswordField.selectionBackground
+PasswordField.selectionForeground
+PasswordFieldUI
+Popup.dropShadowColor
+Popup.dropShadowInsets
+Popup.dropShadowOpacity
+Popup.dropShadowPainted
+PopupMenu.background
+PopupMenu.border
+PopupMenu.borderColor
+PopupMenu.borderInsets
+PopupMenu.consumeEventOnClose
+PopupMenu.font
+PopupMenu.foreground
+PopupMenu.selectedWindowInputMapBindings
+PopupMenu.selectedWindowInputMapBindings.RightToLeft
+PopupMenuSeparator.height
+PopupMenuSeparator.stripeIndent
+PopupMenuSeparator.stripeWidth
+PopupMenuSeparatorUI
+PopupMenuUI
+ProgressBar.arc
+ProgressBar.background
+ProgressBar.border
+ProgressBar.cellLength
+ProgressBar.cellSpacing
+ProgressBar.cycleTime
+ProgressBar.font
+ProgressBar.foreground
+ProgressBar.horizontalSize
+ProgressBar.repaintInterval
+ProgressBar.selectionBackground
+ProgressBar.selectionForeground
+ProgressBar.verticalSize
+ProgressBarUI
+RadioButton.background
+RadioButton.border
+RadioButton.darkShadow
+RadioButton.disabledText
+RadioButton.focusInputMap
+RadioButton.font
+RadioButton.foreground
+RadioButton.highlight
+RadioButton.icon
+RadioButton.icon.centerDiameter
+RadioButton.iconTextGap
+RadioButton.icon[filled].centerDiameter
+RadioButton.light
+RadioButton.margin
+RadioButton.rollover
+RadioButton.shadow
+RadioButton.textIconGap
+RadioButton.textShiftOffset
+RadioButtonMenuItem.acceleratorFont
+RadioButtonMenuItem.acceleratorForeground
+RadioButtonMenuItem.acceleratorSelectionForeground
+RadioButtonMenuItem.arrowIcon
+RadioButtonMenuItem.background
+RadioButtonMenuItem.border
+RadioButtonMenuItem.borderPainted
+RadioButtonMenuItem.checkIcon
+RadioButtonMenuItem.disabledForeground
+RadioButtonMenuItem.font
+RadioButtonMenuItem.foreground
+RadioButtonMenuItem.margin
+RadioButtonMenuItem.opaque
+RadioButtonMenuItem.selectionBackground
+RadioButtonMenuItem.selectionForeground
+RadioButtonMenuItemUI
+RadioButtonUI
+Resizable.resizeBorder
+RootPane.activeBorderColor
+RootPane.ancestorInputMap
+RootPane.border
+RootPane.borderDragThickness
+RootPane.cornerDragWidth
+RootPane.defaultButtonWindowKeyBindings
+RootPane.honorDialogMinimumSizeOnResize
+RootPane.honorFrameMinimumSizeOnResize
+RootPane.inactiveBorderColor
+RootPaneUI
+ScrollBar.allowsAbsolutePositioning
+ScrollBar.ancestorInputMap
+ScrollBar.ancestorInputMap.RightToLeft
+ScrollBar.background
+ScrollBar.buttonArrowColor
+ScrollBar.buttonDisabledArrowColor
+ScrollBar.foreground
+ScrollBar.hoverButtonBackground
+ScrollBar.hoverThumbColor
+ScrollBar.hoverThumbWithTrack
+ScrollBar.hoverTrackColor
+ScrollBar.maximumThumbSize
+ScrollBar.minimumThumbSize
+ScrollBar.pressedButtonBackground
+ScrollBar.pressedThumbColor
+ScrollBar.pressedThumbWithTrack
+ScrollBar.showButtons
+ScrollBar.squareButtons
+ScrollBar.thumb
+ScrollBar.thumbArc
+ScrollBar.thumbDarkShadow
+ScrollBar.thumbHighlight
+ScrollBar.thumbInsets
+ScrollBar.thumbShadow
+ScrollBar.track
+ScrollBar.trackArc
+ScrollBar.trackHighlight
+ScrollBar.trackInsets
+ScrollBar.width
+ScrollBarUI
+ScrollPane.ancestorInputMap
+ScrollPane.ancestorInputMap.RightToLeft
+ScrollPane.background
+ScrollPane.border
+ScrollPane.fillUpperCorner
+ScrollPane.font
+ScrollPane.foreground
+ScrollPane.smoothScrolling
+ScrollPaneUI
+Separator.background
+Separator.foreground
+Separator.height
+Separator.highlight
+Separator.shadow
+Separator.stripeIndent
+Separator.stripeWidth
+SeparatorUI
+Slider.background
+Slider.disabledForeground
+Slider.focus
+Slider.focusInputMap
+Slider.focusInputMap.RightToLeft
+Slider.focusInsets
+Slider.font
+Slider.foreground
+Slider.highlight
+Slider.horizontalSize
+Slider.hoverColor
+Slider.minimumHorizontalSize
+Slider.minimumVerticalSize
+Slider.onlyLeftMouseButtonDrag
+Slider.shadow
+Slider.thumbColor
+Slider.thumbWidth
+Slider.tickColor
+Slider.trackColor
+Slider.trackWidth
+Slider.verticalSize
+SliderUI
+Spinner.ancestorInputMap
+Spinner.arrowButtonSize
+Spinner.background
+Spinner.border
+Spinner.buttonArrowColor
+Spinner.buttonBackground
+Spinner.buttonDisabledArrowColor
+Spinner.buttonHoverArrowColor
+Spinner.buttonStyle
+Spinner.disabledBackground
+Spinner.disabledForeground
+Spinner.editorAlignment
+Spinner.editorBorderPainted
+Spinner.font
+Spinner.foreground
+Spinner.padding
+SpinnerUI
+SplitPane.ancestorInputMap
+SplitPane.background
+SplitPane.centerOneTouchButtons
+SplitPane.continuousLayout
+SplitPane.darkShadow
+SplitPane.dividerSize
+SplitPane.highlight
+SplitPane.oneTouchButtonOffset
+SplitPane.oneTouchButtonSize
+SplitPane.shadow
+SplitPaneDivider.draggingColor
+SplitPaneDivider.oneTouchArrowColor
+SplitPaneDivider.oneTouchHoverArrowColor
+SplitPaneUI
+TabbedPane.ancestorInputMap
+TabbedPane.background
+TabbedPane.contentAreaColor
+TabbedPane.contentOpaque
+TabbedPane.contentSeparatorHeight
+TabbedPane.darkShadow
+TabbedPane.disabledForeground
+TabbedPane.disabledUnderlineColor
+TabbedPane.focus
+TabbedPane.focusColor
+TabbedPane.focusInputMap
+TabbedPane.font
+TabbedPane.foreground
+TabbedPane.hasFullBorder
+TabbedPane.highlight
+TabbedPane.hoverColor
+TabbedPane.labelShift
+TabbedPane.light
+TabbedPane.selectedLabelShift
+TabbedPane.selectedTabPadInsets
+TabbedPane.selectionFollowsFocus
+TabbedPane.shadow
+TabbedPane.tabAreaInsets
+TabbedPane.tabHeight
+TabbedPane.tabInsets
+TabbedPane.tabRunOverlay
+TabbedPane.tabSelectionHeight
+TabbedPane.tabsOpaque
+TabbedPane.tabsOverlapBorder
+TabbedPane.textIconGap
+TabbedPane.underlineColor
+TabbedPaneUI
+Table.ancestorInputMap
+Table.ancestorInputMap.RightToLeft
+Table.ascendingSortIcon
+Table.background
+Table.cellFocusColor
+Table.cellMargins
+Table.cellNoFocusBorder
+Table.descendingSortIcon
+Table.dropCellBackground
+Table.dropCellForeground
+Table.dropLineColor
+Table.dropLineShortColor
+Table.focusCellBackground
+Table.focusCellForeground
+Table.focusCellHighlightBorder
+Table.focusSelectedCellHighlightBorder
+Table.font
+Table.foreground
+Table.gridColor
+Table.intercellSpacing
+Table.rowHeight
+Table.scrollPaneBorder
+Table.selectionBackground
+Table.selectionForeground
+Table.selectionInactiveBackground
+Table.selectionInactiveForeground
+Table.showHorizontalLines
+Table.showVerticalLines
+Table.sortIconColor
+TableHeader.ancestorInputMap
+TableHeader.background
+TableHeader.bottomSeparatorColor
+TableHeader.cellBorder
+TableHeader.focusCellBackground
+TableHeader.font
+TableHeader.foreground
+TableHeader.height
+TableHeader.separatorColor
+TableHeaderUI
+TableUI
+TaskPane.background
+TaskPane.borderColor
+TaskPane.contentInsets
+TaskPane.specialTitleBackground
+TaskPane.specialTitleForeground
+TaskPane.specialTitleOver
+TaskPane.titleBackgroundGradientStart
+TaskPane.titleForeground
+TaskPane.titleOver
+TaskPaneContainer.background
+TaskPaneContainer.border
+TextArea.background
+TextArea.border
+TextArea.caretBlinkRate
+TextArea.caretForeground
+TextArea.disabledBackground
+TextArea.focusInputMap
+TextArea.font
+TextArea.foreground
+TextArea.inactiveBackground
+TextArea.inactiveForeground
+TextArea.margin
+TextArea.selectionBackground
+TextArea.selectionForeground
+TextAreaUI
+TextComponent.arc
+TextComponent.selectAllOnFocusPolicy
+TextField.background
+TextField.border
+TextField.caretBlinkRate
+TextField.caretForeground
+TextField.darkShadow
+TextField.disabledBackground
+TextField.focusInputMap
+TextField.font
+TextField.foreground
+TextField.highlight
+TextField.inactiveBackground
+TextField.inactiveForeground
+TextField.light
+TextField.margin
+TextField.placeholderForeground
+TextField.selectionBackground
+TextField.selectionForeground
+TextField.shadow
+TextFieldUI
+TextPane.background
+TextPane.border
+TextPane.caretBlinkRate
+TextPane.caretForeground
+TextPane.disabledBackground
+TextPane.focusInputMap
+TextPane.font
+TextPane.foreground
+TextPane.inactiveBackground
+TextPane.inactiveForeground
+TextPane.margin
+TextPane.selectionBackground
+TextPane.selectionForeground
+TextPaneUI
+TitlePane.background
+TitlePane.buttonHoverBackground
+TitlePane.buttonMaximizedHeight
+TitlePane.buttonPressedBackground
+TitlePane.buttonSize
+TitlePane.closeHoverBackground
+TitlePane.closeHoverForeground
+TitlePane.closeIcon
+TitlePane.closePressedBackground
+TitlePane.closePressedForeground
+TitlePane.embeddedForeground
+TitlePane.foreground
+TitlePane.iconMargins
+TitlePane.iconSize
+TitlePane.iconifyIcon
+TitlePane.inactiveBackground
+TitlePane.inactiveForeground
+TitlePane.maximizeIcon
+TitlePane.menuBarEmbedded
+TitlePane.menuBarMargins
+TitlePane.restoreIcon
+TitlePane.titleMargins
+TitledBorder.border
+TitledBorder.font
+TitledBorder.titleColor
+TitledPanelUI
+ToggleButton.background
+ToggleButton.border
+ToggleButton.darkShadow
+ToggleButton.disabledBackground
+ToggleButton.disabledSelectedBackground
+ToggleButton.disabledText
+ToggleButton.focusInputMap
+ToggleButton.font
+ToggleButton.foreground
+ToggleButton.highlight
+ToggleButton.iconTextGap
+ToggleButton.light
+ToggleButton.margin
+ToggleButton.pressedBackground
+ToggleButton.rollover
+ToggleButton.selectedBackground
+ToggleButton.selectedForeground
+ToggleButton.shadow
+ToggleButton.tab.disabledUnderlineColor
+ToggleButton.tab.focusBackground
+ToggleButton.tab.hoverBackground
+ToggleButton.tab.underlineColor
+ToggleButton.tab.underlineHeight
+ToggleButton.textIconGap
+ToggleButton.textShiftOffset
+ToggleButton.toolbar.hoverBackground
+ToggleButton.toolbar.pressedBackground
+ToggleButton.toolbar.selectedBackground
+ToggleButtonUI
+ToolBar.ancestorInputMap
+ToolBar.background
+ToolBar.border
+ToolBar.borderMargins
+ToolBar.darkShadow
+ToolBar.dockingBackground
+ToolBar.dockingForeground
+ToolBar.floatingBackground
+ToolBar.floatingForeground
+ToolBar.font
+ToolBar.foreground
+ToolBar.gripColor
+ToolBar.highlight
+ToolBar.isRollover
+ToolBar.light
+ToolBar.separatorColor
+ToolBar.separatorWidth
+ToolBar.shadow
+ToolBar.spacingBorder
+ToolBarSeparatorUI
+ToolBarUI
+ToolTip.background
+ToolTip.border
+ToolTip.font
+ToolTip.foreground
+ToolTipManager.enableToolTipMode
+ToolTipUI
+Tree.ancestorInputMap
+Tree.background
+Tree.border
+Tree.changeSelectionWithFocus
+Tree.closedIcon
+Tree.collapsedIcon
+Tree.drawsFocusBorderAroundIcon
+Tree.dropCellBackground
+Tree.dropCellForeground
+Tree.dropLineColor
+Tree.editorBorder
+Tree.expandedIcon
+Tree.focusInputMap
+Tree.focusInputMap.RightToLeft
+Tree.font
+Tree.foreground
+Tree.hash
+Tree.icon.closedColor
+Tree.icon.collapsedColor
+Tree.icon.expandedColor
+Tree.icon.leafColor
+Tree.icon.openColor
+Tree.leafIcon
+Tree.leftChildIndent
+Tree.lineTypeDashed
+Tree.openIcon
+Tree.paintLines
+Tree.rendererFillBackground
+Tree.rendererMargins
+Tree.repaintWholeRow
+Tree.rightChildIndent
+Tree.rowHeight
+Tree.scrollsOnExpand
+Tree.selectionBackground
+Tree.selectionBorderColor
+Tree.selectionForeground
+Tree.selectionInactiveBackground
+Tree.selectionInactiveForeground
+Tree.showCellFocusIndicator
+Tree.textBackground
+Tree.textForeground
+Tree.timeFactor
+Tree.wideSelection
+TreeUI
+Viewport.background
+Viewport.font
+Viewport.foreground
+ViewportUI
+activeCaption
+activeCaptionBorder
+activeCaptionText
+control
+controlDkShadow
+controlHighlight
+controlLtHighlight
+controlShadow
+controlText
+defaultFont
+desktop
+html.missingImage
+html.pendingImage
+inactiveCaption
+inactiveCaptionBorder
+inactiveCaptionText
+info
+infoText
+laf.scaleFactor
+menu
+menuText
+scrollbar
+swingx/TaskPaneUI
+text
+textHighlight
+textHighlightText
+textInactiveText
+textText
+window
+windowBorder
+windowText

flatlaf-theme-editor/theme-editor-test.properties

@@ -33,8 +33,8 @@ Prop.lazy=lazy(Prop.string)
 
 Prop.colorFunc1=rgb(12,34,56)
 Prop.colorFunc2=rgba(12,34,56,78)
-Prop.colorFunc3=hsl(12,34,56)
-Prop.colorFunc4=hsla(12,34,56,78)
+Prop.colorFunc3=hsl(12,34%,56%)
+Prop.colorFunc4=hsla(12,34%,56%,78%)
 
 Prop.colorFunc5=lighten(#fe1289,20%)
 Prop.colorFunc6=darken(#fe1289,20%)