release 0.18

unfortunately it is not possible to replace JIDEs arrow and close buttons with own implementations

CHANGELOG.md

@@ -1,6 +1,67 @@
 FlatLaf Change Log
 ==================
 
+## 0.18
+
+- TextField and TextArea: Do not apply minimum width if `columns` property is
+  greater than zero.
+- TabbedPane: In scroll-tab-layout, the separator line now spans the whole width
+  and is no longer interrupted by the scroll buttons.
+- TabbedPane: Content pane is no longer opaque. Use antialiasing for painting
+  separator and content border.
+- ToolTip: Use anti-aliasing to render multi-line tooltips.
+- JIDE Common Layer: Support `JideTabbedPane`.
+
+
+## 0.17
+
+- CheckBox: Support painting a third state (set client property
+  "JButton.selectedState" to "indeterminate").
+- `TriStateCheckBox` component added (see [FlatLaf Extras](flatlaf-extras)).
+- Made `JComboBox`, `JProgressBar`, `JSpinner` and `JXDatePicker` non-opaque.
+  `JPasswordField`, `JScrollPane` and `JTextField` are non-opaque if they have
+  an outside focus border (e.g. IntelliJ and Darcula themes). (issues #20 and
+  #17)
+- Button: Hover and pressed background colors are now derived from actual button
+  background color. (issue #21)
+- Table: Fixed missing upper right corner (e.g. in SwingX JXTable with column
+  control visible).
+
+
+## 0.16
+
+- Made some fixes for right-to-left support in ComboBox, Slider and ToolTip.
+  (issue #18)
+- Fixed Java 9 module descriptor (broken since 0.14).
+- Made `JButton`, `JCheckBox`, `JRadioButton`, `JToggleButton` and `JSlider`
+  non-opaque. (issue #20)
+
+
+## 0.15
+
+- ToolTip: Improved styling of dark tooltips (darker background, no border).
+- ToolTip: Fixed colors in tooltips of disabled components. (issue #15)
+- ComboBox: Fixed NPE in combobox with custom renderer after switching to
+  FlatLaf. (issue #16; regression in 0.14)
+
+
+## 0.14
+
+- ComboBox: Use small border if used as table editor.
+- ToolBar: Disable focusability of buttons in toolbar.
+- OptionPane: Fixed rendering of longer HTML text. (issue #12)
+- EditorPane and TextPane: Fixed font and text color when using HTML content.
+  (issue #9)
+- ComboBox: Fixed `StackOverflowError` when switching LaF. (issue #14)
+- SwingX: Support `JXBusyLabel`, `JXDatePicker`, `JXHeader`, `JXHyperlink`,
+  `JXMonthView`, `JXTaskPaneContainer` and `JXTaskPane`. (issue #8)
+
+
+## 0.13
+
+- Added developer information to Maven POM for Maven Central publishing.
+
+
 ## 0.12
 
 - Support Linux. (issue #2)

README.md

@@ -1,15 +1,15 @@
 FlatLaf - Flat Look and Feel
 ============================
 
-**FlatLaf** is a modern open-source cross-platform Look and Feel for Java
-desktop applications.
+**FlatLaf** is a modern **open-source** cross-platform Look and Feel for Java
+Swing desktop applications.
 
-It looks mostly "flat" (no shadows or gradients), clean, simple and elegant.
+It looks almost flat (no shadows or gradients), clean, simple and elegant.
 FlatLaf comes with **Light**, **Dark**, **IntelliJ** and **Darcula** themes,
 scales on **HiDPI** displays and runs on Java 8 or newer.
 
 The look is heavily inspired by **Darcula** and **IntelliJ** themes from
-IntelliJ IDEA 2019.2+ and uses mostly the same colors and icons.
+IntelliJ IDEA 2019.2+ and uses almost the same colors and icons.
 
 ![Flat Light Demo](images/FlatLightDemo.png)
 
@@ -28,9 +28,25 @@ Requires Java 8 or newer.
 Download
 --------
 
+FlatLaf binaries are available on **JCenter** and **Maven Central**.
+
+If you use Maven or Gradle, add a dependency with following coordinates to your
+build script:
+
+    groupId:     com.formdev
+    artifactId:  flatlaf
+    version:     0.18
+
+Otherwise download `flatlaf-<version>.jar` here:
+
 [![Download](https://api.bintray.com/packages/jformdesigner/flatlaf/flatlaf/images/download.svg)](https://bintray.com/jformdesigner/flatlaf/flatlaf/_latestVersion)
 
-Download from JCenter and Maven Central is coming soon.
+
+Addons
+------
+
+- [SwingX](flatlaf-swingx)
+- [JIDE Common Layer](https://github.com/jidesoft/jide-oss)
 
 
 Documentation

build.gradle.kts

@@ -14,7 +14,13 @@
  * limitations under the License.
  */
 
-version = "0.12"
+version = "0.18"
+
+allprojects {
+	repositories {
+		jcenter()
+	}
+}
 
 // check required Java version
 if( JavaVersion.current() < JavaVersion.VERSION_1_8 )

flatlaf-core/build.gradle.kts

@@ -22,10 +22,6 @@ plugins {
 	id( "com.jfrog.bintray" ) version "1.8.4"
 }
 
-repositories {
-	jcenter()
-}
-
 if( JavaVersion.current() >= JavaVersion.VERSION_1_9 ) {
 	sourceSets {
 		create( "module-info" ) {
@@ -38,17 +34,19 @@ if( JavaVersion.current() >= JavaVersion.VERSION_1_9 ) {
 	}
 }
 
-dependencies {
-	testImplementation( "com.miglayout:miglayout-swing:5.2" )
-	testImplementation( "com.jgoodies:jgoodies-forms:1.9.0" )
-}
-
 java {
     sourceCompatibility = JavaVersion.VERSION_1_8
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
 tasks {
+	assemble {
+		dependsOn(
+			"sourcesJar",
+			"javadocJar"
+		)
+	}
+
 	if( JavaVersion.current() >= JavaVersion.VERSION_1_9 ) {
 		named<JavaCompile>( "compileModuleInfoJava" ) {
 			sourceCompatibility = "9"
@@ -117,6 +115,14 @@ publishing {
 					}
 				}
 
+				developers {
+					developer {
+						name.set( "Karl Tauber" )
+						organization.set( "FormDev Software GmbH" )
+						organizationUrl.set( "https://www.formdev.com/" )
+					}
+				}
+
 				scm {
 					url.set( "https://github.com/JFormDesigner/FlatLaf" )
 				}

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

@@ -27,6 +27,11 @@ public interface FlatClientProperties
 	String BUTTON_TYPE = "JButton.buttonType";
 	String BUTTON_TYPE_HELP = "help";
 
+	String SELECTED_STATE = "JButton.selectedState";
+	String SELECTED_STATE_INDETERMINATE = "indeterminate";
+
+	String TABBED_PANE_HAS_FULL_BORDER = "JTabbedPane.hasFullBorder";
+
 	/**
 	 * Checks whether a client property of a component has the given value.
 	 */

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

@@ -19,6 +19,8 @@ package com.formdev.flatlaf;
 /**
  * A Flat LaF that has a dark color scheme and looks like Darcula LaF.
  *
+ * The UI defaults are loaded from FlatDarculaLaf.properties, FlatDarkLaf.properties and FlatLaf.properties
+ *
  * @author Karl Tauber
  */
 public class FlatDarculaLaf

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

@@ -19,6 +19,8 @@ package com.formdev.flatlaf;
 /**
  * A Flat LaF that has a dark color scheme.
  *
+ * The UI defaults are loaded from FlatDarkLaf.properties and FlatLaf.properties
+ *
  * @author Karl Tauber
  */
 public class FlatDarkLaf
@@ -37,4 +39,9 @@ public class FlatDarkLaf
 	public String getDescription() {
 		return "Flat Dark Look and Feel";
 	}
+
+	@Override
+	public boolean isDark() {
+		return true;
+	}
 }

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

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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;
+
+import java.io.InputStream;
+
+/**
+ * Addon for FlatLaf UI defaults.
+ *
+ * Allows loading of additional .properties files from addon JARs.
+ * {@link java.util.ServiceLoader} is used to load extensions of this class from addon JARs.
+ *
+ * If you extend this class in a addon JAR, you also have to add a text file named
+ * {@code META-INF/services/com.formdev.flatlaf.FlatDefaultsAddon}
+ * to the addon JAR. The file must contain a single line with the class name.
+ *
+ * See 'flatlaf-swingx' addon for an example
+ *
+ * @author Karl Tauber
+ */
+public abstract class FlatDefaultsAddon
+{
+	/**
+	 * Finds an addon .properties file for the given LaF class and returns
+	 * it as input stream. Or {@code null} if not found.
+	 */
+	public abstract InputStream getDefaults( Class<?> lafClass );
+}

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

@@ -19,6 +19,8 @@ package com.formdev.flatlaf;
 /**
  * A Flat LaF that has a light color scheme and looks like IntelliJ LaF.
  *
+ * The UI defaults are loaded from FlatIntelliJLaf.properties, FlatLightLaf.properties and FlatLaf.properties
+ *
  * @author Karl Tauber
  */
 public class FlatIntelliJLaf

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

@@ -16,29 +16,19 @@
 
 package com.formdev.flatlaf;
 
-import java.awt.AWTEvent;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Container;
-import java.awt.Dimension;
 import java.awt.EventQueue;
 import java.awt.Font;
-import java.awt.Insets;
+import java.awt.KeyEventPostProcessor;
 import java.awt.KeyboardFocusManager;
 import java.awt.Toolkit;
 import java.awt.Window;
-import java.awt.event.AWTEventListener;
 import java.awt.event.KeyEvent;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
-import java.util.Properties;
-import java.util.function.Function;
 import javax.swing.AbstractButton;
 import javax.swing.JLabel;
 import javax.swing.JTabbedPane;
@@ -47,16 +37,9 @@ import javax.swing.SwingUtilities;
 import javax.swing.UIDefaults;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
-import javax.swing.UIDefaults.LazyValue;
-import javax.swing.plaf.ColorUIResource;
-import javax.swing.plaf.DimensionUIResource;
 import javax.swing.plaf.FontUIResource;
-import javax.swing.plaf.InsetsUIResource;
 import javax.swing.plaf.basic.BasicLookAndFeel;
 import javax.swing.plaf.metal.MetalLookAndFeel;
-import com.formdev.flatlaf.ui.FlatEmptyBorder;
-import com.formdev.flatlaf.ui.FlatLineBorder;
-import com.formdev.flatlaf.util.ScaledNumber;
 import com.formdev.flatlaf.util.SystemInfo;
 import com.formdev.flatlaf.util.UIScale;
 
@@ -68,17 +51,12 @@ import com.formdev.flatlaf.util.UIScale;
 public abstract class FlatLaf
 	extends BasicLookAndFeel
 {
-	private static final String VARIABLE_PREFIX = "@";
-	private static final String REF_PREFIX = VARIABLE_PREFIX + "@";
-	private static final String OPTIONAL_PREFIX = "?";
-	private static final String GLOBAL_PREFIX = "*.";
-
 	private BasicLookAndFeel base;
 
 	private String desktopPropertyName;
 	private PropertyChangeListener desktopPropertyListener;
 
-	private AWTEventListener mnemonicListener;
+	private KeyEventPostProcessor mnemonicListener;
 	private static boolean altKeyPressed;
 
 	public static boolean install( LookAndFeel newLookAndFeel ) {
@@ -96,6 +74,8 @@ public abstract class FlatLaf
 		return getName();
 	}
 
+	public abstract boolean isDark();
+
 	@Override
 	public boolean isNativeLookAndFeel() {
 		return true;
@@ -114,10 +94,11 @@ public abstract class FlatLaf
 
 		// add mnemonic listener
 		mnemonicListener = e -> {
-			if( e instanceof KeyEvent && ((KeyEvent)e).getKeyCode() == KeyEvent.VK_ALT )
+			if( e.getKeyCode() == KeyEvent.VK_ALT )
 				altKeyChanged( e.getID() == KeyEvent.KEY_PRESSED );
+			return false;
 		};
-		Toolkit.getDefaultToolkit().addAWTEventListener( mnemonicListener, AWTEvent.KEY_EVENT_MASK );
+		KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventPostProcessor( mnemonicListener );
 
 		// listen to desktop property changes to update UI if system font or scaling changes
 		if( SystemInfo.IS_WINDOWS ) {
@@ -149,7 +130,7 @@ public abstract class FlatLaf
 
 		// remove mnemonic listener
 		if( mnemonicListener != null ) {
-			Toolkit.getDefaultToolkit().removeAWTEventListener( mnemonicListener );
+			KeyboardFocusManager.getCurrentKeyboardFocusManager().removeKeyEventPostProcessor( mnemonicListener );
 			mnemonicListener = null;
 		}
 
@@ -205,7 +186,7 @@ public abstract class FlatLaf
 		Object aquaMenuBarUI = useScreenMenuBar ? defaults.get( "MenuBarUI" ) : null;
 
 		initFonts( defaults );
-		loadDefaultsFromProperties( defaults );
+		UIDefaultsLoader.loadDefaultsFromProperties( getClass(), defaults );
 
 		// use Aqua MenuBarUI if Mac screen menubar is enabled
 		if( useScreenMenuBar )
@@ -250,264 +231,8 @@ public abstract class FlatLaf
 		defaults.put( "MenuItem.acceleratorFont", uiFont );
 	}
 
-	/**
-	 * Load properties associated to Flat LaF classes and add to UI defaults.
-	 *
-	 * Each class that extend this class may have its own .properties file
-	 * in the same package as the class. Properties from superclasses are loaded
-	 * first to give subclasses a chance to override defaults.
-	 * E.g. if running FlatDarkLaf, then the FlatLaf.properties is loaded first
-	 * and FlatDarkLaf.properties loaded second.
-	 */
-	private void loadDefaultsFromProperties( UIDefaults defaults ) {
-		// determine classes in class hierarchy in reverse order
-		ArrayList<Class<?>> lafClasses = new ArrayList<>();
-		for( Class<?> lafClass = getClass();
-			FlatLaf.class.isAssignableFrom( lafClass );
-			lafClass = lafClass.getSuperclass() )
-		{
-			lafClasses.add( 0, lafClass );
-		}
-
-		try {
-			// load properties files
-			Properties properties = new Properties();
-			for( Class<?> lafClass : lafClasses ) {
-				String propertiesName = "/" + lafClass.getName().replace( '.', '/' ) + ".properties";
-				try( InputStream in = lafClass.getResourceAsStream( propertiesName ) ) {
-					if( in != null )
-						properties.load( in );
-				}
-			}
-
-			Function<String, String> resolver = value -> {
-				return resolveValue( properties, value );
-			};
-
-			// get globals, which override all other defaults that end with same suffix
-			HashMap<String, Object> globals = new HashMap<>();
-			for( Map.Entry<Object, Object> e : properties.entrySet() ) {
-				String key = (String) e.getKey();
-				if( !key.startsWith( GLOBAL_PREFIX ) )
-					continue;
-
-				String value = resolveValue( properties, (String) e.getValue() );
-				globals.put( key.substring( GLOBAL_PREFIX.length() ), parseValue( key, value, resolver ) );
-			}
-
-			// override UI defaults with globals
-			for( Object key : defaults.keySet() ) {
-				if( key instanceof String && ((String)key).contains( "." ) ) {
-					String skey = (String) key;
-					String globalKey = skey.substring( skey.lastIndexOf( '.' ) + 1 );
-					Object globalValue = globals.get( globalKey );
-					if( globalValue != null )
-						defaults.put( key, globalValue );
-				}
-			}
-
-			// add non-global properties to UI defaults
-			for( Map.Entry<Object, Object> e : properties.entrySet() ) {
-				String key = (String) e.getKey();
-				if( key.startsWith( VARIABLE_PREFIX ) || key.startsWith( GLOBAL_PREFIX ) )
-					continue;
-
-				String value = resolveValue( properties, (String) e.getValue() );
-				defaults.put( key, parseValue( key, value, resolver ) );
-			}
-		} catch( IOException ex ) {
-			ex.printStackTrace();
-		}
-	}
-
-	private String resolveValue( Properties properties, String value ) {
-		if( !value.startsWith( VARIABLE_PREFIX ) )
-			return value;
-
-		if( value.startsWith( REF_PREFIX ) )
-			value = value.substring( REF_PREFIX.length() );
-
-		boolean optional = false;
-		if( value.startsWith( OPTIONAL_PREFIX ) ) {
-			value = value.substring( OPTIONAL_PREFIX.length() );
-			optional = true;
-		}
-
-		String newValue = properties.getProperty( value );
-		if( newValue == null ) {
-			if( optional )
-				return "null";
-
-			System.err.println( "variable or reference '" + value + "' not found" );
-			throw new IllegalArgumentException( value );
-		}
-
-		return resolveValue( properties, newValue );
-	}
-
-	private Object parseValue( String key, String value, Function<String, String> resolver ) {
-		value = value.trim();
-
-		// null, false, true
-		switch( value ) {
-			case "null":		return null;
-			case "false":	return false;
-			case "true":		return true;
-		}
-
-		// borders
-		if( key.endsWith( ".border" ) || key.endsWith( "Border" ) )
-			return parseBorder( value, resolver );
-
-		// icons
-		if( key.endsWith( ".icon" ) || key.endsWith( "Icon" ) )
-			return parseInstance( value );
-
-		// insets
-		if( key.endsWith( ".margin" ) || key.endsWith( ".padding" ) ||
-			key.endsWith( "Margins" ) || key.endsWith( "Insets" ) )
-			return parseInsets( value );
-
-		// scaled number
-		ScaledNumber scaledNumber = parseScaledNumber( key, value );
-		if( scaledNumber != null )
-			return scaledNumber;
-
-		// size
-		if( key.endsWith( "Size" ) && !key.equals( "SplitPane.dividerSize" ))
-			return parseSize( value );
-
-		// width, height
-		if( key.endsWith( "Width" ) || key.endsWith( "Height" ) )
-			return parseInteger( value, true );
-
-		// colors
-		ColorUIResource color = parseColor( value, false );
-		if( color != null )
-			return color;
-
-		// integer
-		Integer integer = parseInteger( value, false );
-		if( integer != null )
-			return integer;
-
-		// string
-		return value;
-	}
-
-	private Object parseBorder( String value, Function<String, String> resolver ) {
-		if( value.indexOf( ',' ) >= 0 ) {
-			// top,left,bottom,right[,lineColor]
-			List<String> parts = split( value, ',' );
-			Insets insets = parseInsets( value );
-			ColorUIResource lineColor = (parts.size() == 5)
-				? parseColor( resolver.apply( parts.get( 4 ) ), true )
-				: null;
-
-			return (LazyValue) t -> {
-				return (lineColor != null)
-					? new FlatLineBorder( insets, lineColor )
-					: new FlatEmptyBorder( insets );
-			};
-		} else
-			return parseInstance( value );
-	}
-
-	private Object parseInstance( String value ) {
-		return (LazyValue) t -> {
-			try {
-				return Class.forName( value ).newInstance();
-			} catch( InstantiationException | IllegalAccessException | ClassNotFoundException ex ) {
-				ex.printStackTrace();
-				return null;
-			}
-		};
-	}
-
-	private Insets parseInsets( String value ) {
-		List<String> numbers = split( value, ',' );
-		try {
-			return new InsetsUIResource(
-				Integer.parseInt( numbers.get( 0 ) ),
-				Integer.parseInt( numbers.get( 1 ) ),
-				Integer.parseInt( numbers.get( 2 ) ),
-				Integer.parseInt( numbers.get( 3 ) ) );
-		} catch( NumberFormatException ex ) {
-			System.err.println( "invalid insets '" + value + "'" );
-			throw ex;
-		}
-	}
-
-	private Dimension parseSize( String value ) {
-		List<String> numbers = split( value, ',' );
-		try {
-			return new DimensionUIResource(
-				Integer.parseInt( numbers.get( 0 ) ),
-				Integer.parseInt( numbers.get( 1 ) ) );
-		} catch( NumberFormatException ex ) {
-			System.err.println( "invalid size '" + value + "'" );
-			throw ex;
-		}
-	}
-
-	private ColorUIResource parseColor( String value, boolean reportError ) {
-		try {
-			int rgb = Integer.parseInt( value, 16 );
-			if( value.length() == 6 )
-				return new ColorUIResource( rgb );
-			if( value.length() == 8 )
-				return new ColorUIResource( new Color( rgb, true ) );
-
-			if( reportError )
-				throw new NumberFormatException( value );
-		} catch( NumberFormatException ex ) {
-			if( reportError ) {
-				System.err.println( "invalid color '" + value + "'" );
-				throw ex;
-			}
-			// not a color --> ignore
-		}
-		return null;
-	}
-
-	private Integer parseInteger( String value, boolean reportError ) {
-		try {
-			return Integer.parseInt( value );
-		} catch( NumberFormatException ex ) {
-			if( reportError ) {
-				System.err.println( "invalid integer '" + value + "'" );
-				throw ex;
-			}
-		}
-		return null;
-	}
-
-	private ScaledNumber parseScaledNumber( String key, String value ) {
-		if( !key.equals( "OptionPane.buttonMinimumWidth" ) &&
-			!key.equals( "SplitPane.oneTouchButtonSize" ) &&
-			!key.equals( "SplitPane.oneTouchButtonOffset" ) )
-		  return null; // not supported
-
-		try {
-			return new ScaledNumber( Integer.parseInt( value ) );
-		} catch( NumberFormatException ex ) {
-			System.err.println( "invalid integer '" + value + "'" );
-			throw ex;
-		}
-	}
-
 	public static List<String> split( String str, char delim ) {
-		ArrayList<String> strs = new ArrayList<>();
-		int delimIndex = str.indexOf( delim );
-		int index = 0;
-		while( delimIndex >= 0 ) {
-			strs.add( str.substring( index, delimIndex ) );
-			index = delimIndex + 1;
-			delimIndex = str.indexOf( delim, index );
-		}
-		strs.add( str.substring( index ) );
-
-		return strs;
+		return UIDefaultsLoader.split( str, delim );
 	}
 
 	private static void reSetLookAndFeel() {

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

@@ -19,6 +19,8 @@ package com.formdev.flatlaf;
 /**
  * A Flat LaF that has a light color scheme.
  *
+ * The UI defaults are loaded from FlatLightLaf.properties and FlatLaf.properties
+ *
  * @author Karl Tauber
  */
 public class FlatLightLaf
@@ -37,4 +39,9 @@ public class FlatLightLaf
 	public String getDescription() {
 		return "Flat Light Look and Feel";
 	}
+
+	@Override
+	public boolean isDark() {
+		return false;
+	}
 }

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

@@ -0,0 +1,407 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Insets;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Properties;
+import java.util.ServiceLoader;
+import java.util.function.Function;
+import javax.swing.UIDefaults;
+import javax.swing.UIDefaults.LazyValue;
+import javax.swing.plaf.ColorUIResource;
+import javax.swing.plaf.DimensionUIResource;
+import javax.swing.plaf.InsetsUIResource;
+import com.formdev.flatlaf.ui.FlatEmptyBorder;
+import com.formdev.flatlaf.ui.FlatLineBorder;
+import com.formdev.flatlaf.util.ColorFunctions;
+import com.formdev.flatlaf.util.DerivedColor;
+import com.formdev.flatlaf.util.ScaledNumber;
+
+/**
+ * Load UI defaults from properties files associated to Flat LaF classes and add to UI defaults.
+ *
+ * Each class that extend the LaF class may have its own .properties file
+ * in the same package as the class. Properties from superclasses are loaded
+ * first to give subclasses a chance to override defaults.
+ * E.g. if running FlatDarkLaf, then the FlatLaf.properties is loaded first
+ * and FlatDarkLaf.properties loaded second.
+ *
+ * @author Karl Tauber
+ */
+class UIDefaultsLoader
+{
+	private static final String TYPE_PREFIX = "{";
+	private static final String TYPE_PREFIX_END = "}";
+	private static final String VARIABLE_PREFIX = "@";
+	private static final String REF_PREFIX = VARIABLE_PREFIX + "@";
+	private static final String OPTIONAL_PREFIX = "?";
+	private static final String GLOBAL_PREFIX = "*.";
+
+	static void loadDefaultsFromProperties( Class<?> lookAndFeelClass, UIDefaults defaults ) {
+		// determine classes in class hierarchy in reverse order
+		ArrayList<Class<?>> lafClasses = new ArrayList<>();
+		for( Class<?> lafClass = lookAndFeelClass;
+			FlatLaf.class.isAssignableFrom( lafClass );
+			lafClass = lafClass.getSuperclass() )
+		{
+			lafClasses.add( 0, lafClass );
+		}
+
+		try {
+			// load properties files
+			Properties properties = new Properties();
+			ServiceLoader<FlatDefaultsAddon> addonLoader = ServiceLoader.load( FlatDefaultsAddon.class );
+			for( Class<?> lafClass : lafClasses ) {
+				// load core properties
+				String propertiesName = "/" + lafClass.getName().replace( '.', '/' ) + ".properties";
+				try( InputStream in = lafClass.getResourceAsStream( propertiesName ) ) {
+					if( in != null )
+						properties.load( in );
+				}
+
+				// load properties from addons
+				for( FlatDefaultsAddon addon : addonLoader ) {
+					try( InputStream in = addon.getDefaults( lafClass ) ) {
+						if( in != null )
+							properties.load( in );
+					}
+				}
+			}
+
+			Function<String, String> resolver = value -> {
+				return resolveValue( properties, value );
+			};
+
+			// get globals, which override all other defaults that end with same suffix
+			HashMap<String, Object> globals = new HashMap<>();
+			for( Map.Entry<Object, Object> e : properties.entrySet() ) {
+				String key = (String) e.getKey();
+				if( !key.startsWith( GLOBAL_PREFIX ) )
+					continue;
+
+				String value = resolveValue( properties, (String) e.getValue() );
+				try {
+					globals.put( key.substring( GLOBAL_PREFIX.length() ), parseValue( key, value, resolver ) );
+				} catch( RuntimeException ex ) {
+					logParseError( key, value, ex );
+				}
+			}
+
+			// override UI defaults with globals
+			for( Object key : defaults.keySet() ) {
+				if( key instanceof String && ((String)key).contains( "." ) ) {
+					String skey = (String) key;
+					String globalKey = skey.substring( skey.lastIndexOf( '.' ) + 1 );
+					Object globalValue = globals.get( globalKey );
+					if( globalValue != null )
+						defaults.put( key, globalValue );
+				}
+			}
+
+			// add non-global properties to UI defaults
+			for( Map.Entry<Object, Object> e : properties.entrySet() ) {
+				String key = (String) e.getKey();
+				if( key.startsWith( VARIABLE_PREFIX ) || key.startsWith( GLOBAL_PREFIX ) )
+					continue;
+
+				String value = resolveValue( properties, (String) e.getValue() );
+				try {
+					defaults.put( key, parseValue( key, value, resolver ) );
+				} catch( RuntimeException ex ) {
+					logParseError( key, value, ex );
+				}
+			}
+		} catch( IOException ex ) {
+			ex.printStackTrace();
+		}
+	}
+
+	private static void logParseError( String key, String value, RuntimeException ex ) {
+		System.err.println( "Failed to parse: '" + key + '=' + value + '\'' );
+		System.err.println( "    " + ex.getMessage() );
+	}
+
+	private static String resolveValue( Properties properties, String value ) {
+		if( !value.startsWith( VARIABLE_PREFIX ) )
+			return value;
+
+		if( value.startsWith( REF_PREFIX ) )
+			value = value.substring( REF_PREFIX.length() );
+
+		boolean optional = false;
+		if( value.startsWith( OPTIONAL_PREFIX ) ) {
+			value = value.substring( OPTIONAL_PREFIX.length() );
+			optional = true;
+		}
+
+		String newValue = properties.getProperty( value );
+		if( newValue == null ) {
+			if( optional )
+				return "null";
+
+			throw new IllegalArgumentException( "variable or reference '" + value + "' not found" );
+		}
+
+		return resolveValue( properties, newValue );
+	}
+
+	private enum ValueType { UNKNOWN, STRING, INTEGER, BORDER, ICON, INSETS, SIZE, COLOR, SCALEDNUMBER }
+
+	private static Object parseValue( String key, String value, Function<String, String> resolver ) {
+		value = value.trim();
+
+		// null, false, true
+		switch( value ) {
+			case "null":	return null;
+			case "false":	return false;
+			case "true":	return true;
+		}
+
+		ValueType valueType = ValueType.UNKNOWN;
+
+		// check whether value type is specified in the value
+		if( value.startsWith( TYPE_PREFIX ) ) {
+			int end = value.indexOf( TYPE_PREFIX_END );
+			if( end != -1 ) {
+				try {
+					String typeStr = value.substring( TYPE_PREFIX.length(), end );
+					valueType = ValueType.valueOf( typeStr.toUpperCase( Locale.ENGLISH ) );
+
+					// remove type from value
+					value = value.substring( end + TYPE_PREFIX_END.length() );
+				} catch( IllegalArgumentException ex ) {
+					// ignore
+				}
+			}
+		}
+
+		// determine value type from key
+		if( valueType == ValueType.UNKNOWN ) {
+			if( key.endsWith( ".border" ) || key.endsWith( "Border" ) )
+				valueType = ValueType.BORDER;
+			else if( key.endsWith( ".icon" ) || key.endsWith( "Icon" ) )
+				valueType = ValueType.ICON;
+			else if( key.endsWith( ".margin" ) || key.endsWith( ".padding" ) ||
+					 key.endsWith( "Margins" ) || key.endsWith( "Insets" ) )
+				valueType = ValueType.INSETS;
+			else if( key.endsWith( "Size" ) )
+				valueType = ValueType.SIZE;
+			else if( key.endsWith( "Width" ) || key.endsWith( "Height" ) )
+				valueType = ValueType.INTEGER;
+		}
+
+		// parse value
+		switch( valueType ) {
+			case STRING:		return value;
+			case INTEGER:		return parseInteger( value, true );
+			case BORDER:		return parseBorder( value, resolver );
+			case ICON:			return parseInstance( value );
+			case INSETS:		return parseInsets( value );
+			case SIZE:			return parseSize( value );
+			case COLOR:			return parseColor( value, true );
+			case SCALEDNUMBER:	return parseScaledNumber( value );
+			case UNKNOWN:
+			default:
+				// colors
+				ColorUIResource color = parseColor( value, false );
+				if( color != null )
+					return color;
+
+				// integer
+				Integer integer = parseInteger( value, false );
+				if( integer != null )
+					return integer;
+
+				// string
+				return value;
+		}
+	}
+
+	private static Object parseBorder( String value, Function<String, String> resolver ) {
+		if( value.indexOf( ',' ) >= 0 ) {
+			// top,left,bottom,right[,lineColor]
+			List<String> parts = split( value, ',' );
+			Insets insets = parseInsets( value );
+			ColorUIResource lineColor = (parts.size() == 5)
+				? parseColor( resolver.apply( parts.get( 4 ) ), true )
+				: null;
+
+			return (LazyValue) t -> {
+				return (lineColor != null)
+					? new FlatLineBorder( insets, lineColor )
+					: new FlatEmptyBorder( insets );
+			};
+		} else
+			return parseInstance( value );
+	}
+
+	private static Object parseInstance( String value ) {
+		return (LazyValue) t -> {
+			try {
+				return Class.forName( value ).newInstance();
+			} catch( InstantiationException | IllegalAccessException | ClassNotFoundException ex ) {
+				ex.printStackTrace();
+				return null;
+			}
+		};
+	}
+
+	private static Insets parseInsets( String value ) {
+		List<String> numbers = split( value, ',' );
+		try {
+			return new InsetsUIResource(
+				Integer.parseInt( numbers.get( 0 ) ),
+				Integer.parseInt( numbers.get( 1 ) ),
+				Integer.parseInt( numbers.get( 2 ) ),
+				Integer.parseInt( numbers.get( 3 ) ) );
+		} catch( NumberFormatException ex ) {
+			throw new IllegalArgumentException( "invalid insets '" + value + "'" );
+		}
+	}
+
+	private static Dimension parseSize( String value ) {
+		List<String> numbers = split( value, ',' );
+		try {
+			return new DimensionUIResource(
+				Integer.parseInt( numbers.get( 0 ) ),
+				Integer.parseInt( numbers.get( 1 ) ) );
+		} catch( NumberFormatException ex ) {
+			throw new IllegalArgumentException( "invalid size '" + value + "'" );
+		}
+	}
+
+	private static ColorUIResource parseColor( String value, boolean reportError ) {
+		if( value.endsWith( ")" ) )
+			return parseColorFunctions( value, reportError );
+
+		try {
+			int rgb = Integer.parseInt( value, 16 );
+			if( value.length() == 6 )
+				return new ColorUIResource( rgb );
+			if( value.length() == 8 )
+				return new ColorUIResource( new Color( rgb, true ) );
+
+			if( reportError )
+				throw new NumberFormatException( value );
+		} catch( NumberFormatException ex ) {
+			if( reportError )
+				throw new IllegalArgumentException( "invalid color '" + value + "'" );
+
+			// not a color --> ignore
+		}
+		return null;
+	}
+
+	private static ColorUIResource parseColorFunctions( String value, boolean reportError ) {
+		int paramsStart = value.indexOf( '(' );
+		if( paramsStart < 0 ) {
+			if( reportError )
+				throw new IllegalArgumentException( "missing opening parenthesis in function '" + value + "'" );
+			return null;
+		}
+
+		String function = value.substring( 0, paramsStart ).trim();
+		List<String> params = split( value.substring( paramsStart + 1, value.length() - 1 ), ',' );
+		if( params.isEmpty() )
+			throw new IllegalArgumentException( "missing parameters in function '" + value + "'" );
+
+		switch( function ) {
+			case "lighten":		return parseColorLightenOrDarken( true, params, reportError );
+			case "darken":		return parseColorLightenOrDarken( false, params, reportError );
+		}
+
+		throw new IllegalArgumentException( "unknown color function '" + value + "'" );
+	}
+
+	/**
+	 * Syntax: lighten(amount[,options]) or darken(amount[,options])
+	 *   - amount: percentage 0-100%
+	 *   - options: [relative] [autoInverse]
+	 */
+	private static ColorUIResource parseColorLightenOrDarken( boolean lighten, List<String> params, boolean reportError ) {
+		int amount = parsePercentage( params.get( 0 ) );
+		boolean relative = false;
+		boolean autoInverse = false;
+
+		if( params.size() >= 2 ) {
+			String options = params.get( 1 );
+			relative = options.contains( "relative" );
+			autoInverse = options.contains( "autoInverse" );
+		}
+
+		return new DerivedColor( lighten
+			? new ColorFunctions.Lighten( amount, relative, autoInverse )
+			: new ColorFunctions.Darken( amount, relative, autoInverse ) );
+	}
+
+	private static int parsePercentage( String value ) {
+		if( !value.endsWith( "%" ) )
+			throw new NumberFormatException( "invalid percentage '" + value + "'" );
+
+		int val;
+		try {
+			val = Integer.parseInt( value.substring( 0, value.length() - 1 ) );
+		} catch( NumberFormatException ex ) {
+			throw new NumberFormatException( "invalid percentage '" + value + "'" );
+		}
+
+		if( val < 0 || val > 100 )
+			throw new IllegalArgumentException( "percentage out of range (0-100%) '" + value + "'" );
+		return val;
+	}
+
+	private static Integer parseInteger( String value, boolean reportError ) {
+		try {
+			return Integer.parseInt( value );
+		} catch( NumberFormatException ex ) {
+			if( reportError )
+				throw new NumberFormatException( "invalid integer '" + value + "'" );
+		}
+		return null;
+	}
+
+	private static ScaledNumber parseScaledNumber( String value ) {
+		try {
+			return new ScaledNumber( Integer.parseInt( value ) );
+		} catch( NumberFormatException ex ) {
+			throw new NumberFormatException( "invalid integer '" + value + "'" );
+		}
+	}
+
+	static List<String> split( String str, char delim ) {
+		ArrayList<String> strs = new ArrayList<>();
+		int delimIndex = str.indexOf( delim );
+		int index = 0;
+		while( delimIndex >= 0 ) {
+			strs.add( str.substring( index, delimIndex ) );
+			index = delimIndex + 1;
+			delimIndex = str.indexOf( delim, index );
+		}
+		strs.add( str.substring( index ) );
+
+		return strs;
+	}
+}

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

@@ -16,14 +16,18 @@
 
 package com.formdev.flatlaf.icons;
 
+import static com.formdev.flatlaf.FlatClientProperties.*;
 import java.awt.BasicStroke;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Graphics2D;
 import java.awt.geom.Path2D;
+import java.awt.geom.RoundRectangle2D;
 import javax.swing.AbstractButton;
+import javax.swing.JComponent;
 import javax.swing.UIManager;
 import com.formdev.flatlaf.ui.FlatButtonUI;
+import com.formdev.flatlaf.ui.FlatUIUtils;
 
 /**
  * Icon for {@link javax.swing.JCheckBox}.
@@ -50,6 +54,7 @@ import com.formdev.flatlaf.ui.FlatButtonUI;
  * @uiDefault CheckBox.icon.selectedPressedBackground	Color	optional
  * @uiDefault CheckBox.icon.checkmarkColor				Color
  * @uiDefault CheckBox.icon.disabledCheckmarkColor		Color
+ * @uiDefault CheckBox.arc								int
  *
  * @author Karl Tauber
  */
@@ -58,6 +63,7 @@ public class FlatCheckBoxIcon
 {
 	protected final int focusWidth = UIManager.getInt( "Component.focusWidth" );
 	protected final Color focusColor = UIManager.getColor( "Component.focusColor" );
+	protected final int arc = FlatUIUtils.getUIInt( "CheckBox.arc", 2 );
 
 	protected final Color borderColor = UIManager.getColor( "CheckBox.icon.borderColor" );
 	protected final Color disabledBorderColor = UIManager.getColor( "CheckBox.icon.disabledBorderColor" );
@@ -84,7 +90,8 @@ public class FlatCheckBoxIcon
 
 	@Override
 	protected void paintIcon( Component c, Graphics2D g2 ) {
-		boolean selected = (c instanceof AbstractButton) ? ((AbstractButton)c).isSelected() : false;
+		boolean indeterminate = c instanceof JComponent && clientPropertyEquals( (JComponent) c, SELECTED_STATE, SELECTED_STATE_INDETERMINATE );
+		boolean selected = indeterminate || (c instanceof AbstractButton && ((AbstractButton)c).isSelected());
 
 		// paint focused border
 		if( c.hasFocus() && focusWidth > 0 ) {
@@ -102,33 +109,40 @@ public class FlatCheckBoxIcon
 		paintBorder( g2 );
 
 		// paint background
-		g2.setColor( FlatButtonUI.buttonStateColor( c,
+		FlatUIUtils.setColor( g2, FlatButtonUI.buttonStateColor( c,
 			selected ? selectedBackground : background,
 			disabledBackground,
 			focusedBackground,
 			selected && selectedHoverBackground != null ? selectedHoverBackground : hoverBackground,
-			selected && selectedPressedBackground != null ? selectedPressedBackground : pressedBackground ) );
+			selected && selectedPressedBackground != null ? selectedPressedBackground : pressedBackground ),
+			background );
 		paintBackground( g2 );
 
 		// paint checkmark
-		if( selected ) {
+		if( selected || indeterminate ) {
 			g2.setColor( c.isEnabled() ? checkmarkColor : disabledCheckmarkColor );
-			paintCheckmark( g2 );
+			if( indeterminate )
+				paintIndeterminate( g2 );
+			else
+				paintCheckmark( g2 );
 		}
 	}
 
 	protected void paintFocusBorder( Graphics2D g2 ) {
 		// the outline focus border is painted outside of the icon
 		int wh = ICON_SIZE - 1 + (focusWidth * 2);
-		g2.fillRoundRect( -focusWidth + 1, -focusWidth, wh, wh, 8, 8 );
+		int arcwh = (arc + focusWidth) * 2;
+		g2.fillRoundRect( -focusWidth + 1, -focusWidth, wh, wh, arcwh, arcwh );
 	}
 
 	protected void paintBorder( Graphics2D g2 ) {
-		g2.fillRoundRect( 1, 0, 14, 14, 4, 4 );
+		int arcwh = arc * 2;
+		g2.fillRoundRect( 1, 0, 14, 14, arcwh, arcwh );
 	}
 
 	protected void paintBackground( Graphics2D g2 ) {
-		g2.fillRoundRect( 2, 1, 12, 12, 3, 3 );
+		int arcwh = (arc * 2) - 1;
+		g2.fillRoundRect( 2, 1, 12, 12, arcwh, arcwh );
 	}
 
 	protected void paintCheckmark( Graphics2D g2 ) {
@@ -140,4 +154,8 @@ public class FlatCheckBoxIcon
 		g2.setStroke( new BasicStroke( 1.9f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND ) );
 		g2.draw( path );
 	}
+
+	protected void paintIndeterminate( Graphics2D g2 ) {
+		g2.fill( new RoundRectangle2D.Float( 3.75f, 5.75f, 8.5f, 2.5f, 2f, 2f ) );
+	}
 }

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

@@ -24,6 +24,7 @@ import java.awt.geom.Ellipse2D;
 import java.awt.geom.Path2D;
 import javax.swing.UIManager;
 import com.formdev.flatlaf.ui.FlatButtonUI;
+import com.formdev.flatlaf.ui.FlatUIUtils;
 
 /**
  * Help button icon for {@link javax.swing.JButton}.
@@ -99,12 +100,12 @@ public class FlatHelpButtonIcon
 		g2.fill( new Ellipse2D.Float( focusWidth + 0.5f, focusWidth + 0.5f, 21, 21 ) );
 
 		// paint background
-		g2.setColor( FlatButtonUI.buttonStateColor( c,
+		FlatUIUtils.setColor( g2, FlatButtonUI.buttonStateColor( c,
 			background,
 			disabledBackground,
 			focusedBackground,
 			hoverBackground,
-			pressedBackground ) );
+			pressedBackground ), background );
 		g2.fill( new Ellipse2D.Float( focusWidth + 1.5f, focusWidth + 1.5f, 19, 19 ) );
 
 		// paint question mark

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

@@ -157,7 +157,7 @@ public class FlatArrowButton
 		g.translate( -x, -y );
 	}
 
-	public static Shape createArrowShape( int direction, boolean chevron, int w, int h ) {
+	public static Shape createArrowShape( int direction, boolean chevron, float w, float h ) {
 		switch( direction ) {
 			case NORTH:	return FlatUIUtils.createPath( !chevron, 0,h, (w / 2f),0, w,h );
 			case SOUTH:	return FlatUIUtils.createPath( !chevron, 0,0, (w / 2f),h, w,0 );

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

@@ -23,7 +23,6 @@ import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.Insets;
 import java.awt.KeyboardFocusManager;
-import java.awt.Paint;
 import javax.swing.JComboBox;
 import javax.swing.JComponent;
 import javax.swing.JScrollPane;
@@ -72,9 +71,10 @@ public class FlatBorder
 		try {
 			FlatUIUtils.setRenderingHints( g2 );
 
-			float focusWidth = getFocusWidth();
+			boolean isCellEditor = FlatUIUtils.isTableCellEditor( c );
+			float focusWidth = isCellEditor ? 0 : getFocusWidth();
 			float borderWidth = getBorderWidth( c );
-			float arc = getArc();
+			float arc = isCellEditor ? 0 : getArc();
 
 			if( isFocused( c ) ) {
 				g2.setColor( getFocusColor( c ) );
@@ -82,7 +82,7 @@ public class FlatBorder
 					getLineWidth() + scale( (float) innerFocusWidth ), arc );
 			}
 
-			g2.setPaint( getBorderColor( c ) );
+			g2.setColor( getBorderColor( c ) );
 			FlatUIUtils.drawRoundRectangle( g2, x, y, width, height, focusWidth, borderWidth, arc );
 		} finally {
 			g2.dispose();
@@ -93,7 +93,7 @@ public class FlatBorder
 		return focusColor;
 	}
 
-	protected Paint getBorderColor( Component c ) {
+	protected Color getBorderColor( Component c ) {
 		boolean enabled = c.isEnabled() && (!(c instanceof JTextComponent) || ((JTextComponent)c).isEditable());
 		return enabled
 			? (isFocused( c ) ? focusedBorderColor : borderColor)
@@ -134,7 +134,8 @@ public class FlatBorder
 
 	@Override
 	public Insets getBorderInsets( Component c, Insets insets ) {
-		float ow = getFocusWidth() + getLineWidth();
+		boolean isCellEditor = FlatUIUtils.isTableCellEditor( c );
+		float ow = (isCellEditor ? 0 : getFocusWidth()) + getLineWidth();
 
 		insets = super.getBorderInsets( c, insets );
 		insets.top = Math.round( scale( (float) insets.top ) + ow );

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

@@ -21,7 +21,6 @@ import java.awt.Color;
 import java.awt.Component;
 import java.awt.Graphics;
 import java.awt.Insets;
-import java.awt.Paint;
 import javax.swing.JButton;
 import javax.swing.UIManager;
 import javax.swing.plaf.UIResource;
@@ -68,7 +67,7 @@ public class FlatButtonBorder
 	}
 
 	@Override
-	protected Paint getBorderColor( Component c ) {
+	protected Color getBorderColor( Component c ) {
 		boolean def = FlatButtonUI.isDefaultButton( c );
 		return FlatButtonUI.buttonStateColor( c,
 			def ? defaultBorderColor : borderColor,

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

@@ -131,6 +131,7 @@ public class FlatButtonUI
 			defaults_initialized = true;
 		}
 
+		LookAndFeel.installProperty( b, "opaque", false );
 		LookAndFeel.installProperty( b, "iconTextGap", scale( iconTextGap ) );
 
 		MigLayoutVisualPadding.install( b, focusWidth );
@@ -169,15 +170,16 @@ public class FlatButtonUI
 
 	@Override
 	public void update( Graphics g, JComponent c ) {
-		if( isHelpButton( c ) ) {
+		// fill background if opaque to avoid garbage if user sets opaque to true
+		if( c.isOpaque() )
 			FlatUIUtils.paintParentBackground( g, c );
+
+		if( isHelpButton( c ) ) {
 			helpButtonIcon.paintIcon( c, g, 0, 0 );
 			return;
 		}
 
-		if( c.isOpaque() && isContentAreaFilled( c ) ) {
-			FlatUIUtils.paintParentBackground( g, c );
-
+		if( isContentAreaFilled( c ) ) {
 			Color background = getBackground( c );
 			if( background != null ) {
 				Graphics2D g2 = (Graphics2D) g.create();
@@ -188,7 +190,7 @@ public class FlatButtonUI
 					float focusWidth = (border instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
 					float arc = (border instanceof FlatButtonBorder || isToolBarButton( c )) ? scale( (float) this.arc ) : 0;
 
-					g2.setColor( background );
+					FlatUIUtils.setColor( g2, background, isDefaultButton(c) ? defaultBackground : c.getBackground() );
 					FlatUIUtils.fillRoundRectangle( g2, 0, 0, c.getWidth(), c.getHeight(), focusWidth, arc );
 				} finally {
 					g2.dispose();
@@ -218,7 +220,7 @@ public class FlatButtonUI
 		paintText( g, b, textRect, text, b.isEnabled() ? getForeground( b ) : disabledText );
 	}
 
-	static void paintText( Graphics g, AbstractButton b, Rectangle textRect, String text, Color foreground ) {
+	public static void paintText( Graphics g, AbstractButton b, Rectangle textRect, String text, Color foreground ) {
 		FontMetrics fm = b.getFontMetrics( b.getFont() );
 		int mnemonicIndex = FlatLaf.isShowMnemonics() ? b.getDisplayedMnemonicIndex() : -1;
 

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

@@ -19,6 +19,7 @@ package com.formdev.flatlaf.ui;
 import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Color;
 import java.awt.Component;
+import java.awt.ComponentOrientation;
 import java.awt.Container;
 import java.awt.Dimension;
 import java.awt.Graphics;
@@ -40,6 +41,7 @@ import javax.swing.JComponent;
 import javax.swing.JList;
 import javax.swing.JPanel;
 import javax.swing.ListCellRenderer;
+import javax.swing.LookAndFeel;
 import javax.swing.SwingConstants;
 import javax.swing.UIManager;
 import javax.swing.border.AbstractBorder;
@@ -122,6 +124,8 @@ public class FlatComboBoxUI
 	protected void installDefaults() {
 		super.installDefaults();
 
+		LookAndFeel.installProperty( comboBox, "opaque", false );
+
 		focusWidth = UIManager.getInt( "Component.focusWidth" );
 		arc = UIManager.getInt( "Component.arc" );
 		arrowType = UIManager.getString( "Component.arrowType" );
@@ -208,11 +212,14 @@ public class FlatComboBoxUI
 				String propertyName = e.getPropertyName();
 
 				if( editor != null &&
-					((source == comboBox && (propertyName == "background" || propertyName == "foreground")) ||
+					((source == comboBox && propertyName == "foreground") ||
 					 (source == editor && propertyName == "enabled")) )
 				{
 					// fix editor component colors
 					updateEditorColors();
+				} else if( editor != null && source == comboBox && propertyName == "componentOrientation" ) {
+					ComponentOrientation o = (ComponentOrientation) e.getNewValue();
+					editor.applyComponentOrientation( o );
 				}
 			}
 		};
@@ -235,6 +242,12 @@ public class FlatComboBoxUI
 		if( editor instanceof JTextComponent )
 			((JTextComponent)editor).setBorder( BorderFactory.createEmptyBorder() );
 
+		// explicitly make non-opaque
+		if( editor instanceof JComponent )
+			((JComponent)editor).setOpaque( false );
+
+		editor.applyComponentOrientation( comboBox.getComponentOrientation() );
+
 		updateEditorColors();
 	}
 
@@ -243,7 +256,6 @@ public class FlatComboBoxUI
 		// is used, then the editor is updated after the combobox and the
 		// colors are again replaced with default colors
 		boolean enabled = editor.isEnabled();
-		editor.setBackground( FlatUIUtils.nonUIResource( enabled ? comboBox.getBackground() : disabledBackground ) );
 		editor.setForeground( FlatUIUtils.nonUIResource( (enabled || editor instanceof JTextComponent)
 			? comboBox.getForeground()
 			: disabledForeground ) );
@@ -265,44 +277,44 @@ public class FlatComboBoxUI
 
 	@Override
 	public void update( Graphics g, JComponent c ) {
-		if( c.isOpaque() ) {
+		// fill background if opaque to avoid garbage if user sets opaque to true
+		if( c.isOpaque() && (focusWidth > 0 || arc != 0) )
 			FlatUIUtils.paintParentBackground( g, c );
 
-			Graphics2D g2 = (Graphics2D) g;
-			FlatUIUtils.setRenderingHints( g2 );
+		Graphics2D g2 = (Graphics2D) g;
+		FlatUIUtils.setRenderingHints( g2 );
 
-			int width = c.getWidth();
-			int height = c.getHeight();
-			float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
-			float arc = (c.getBorder() instanceof FlatRoundBorder) ? scale( (float) this.arc ) : 0;
-			int arrowX = arrowButton.getX();
-			int arrowWidth = arrowButton.getWidth();
-			boolean enabled = comboBox.isEnabled();
-			boolean isLeftToRight = comboBox.getComponentOrientation().isLeftToRight();
+		int width = c.getWidth();
+		int height = c.getHeight();
+		float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
+		float arc = (c.getBorder() instanceof FlatRoundBorder) ? scale( (float) this.arc ) : 0;
+		int arrowX = arrowButton.getX();
+		int arrowWidth = arrowButton.getWidth();
+		boolean enabled = comboBox.isEnabled();
+		boolean isLeftToRight = comboBox.getComponentOrientation().isLeftToRight();
 
-			// paint background
-			g2.setColor( enabled ? c.getBackground() : disabledBackground );
+		// paint background
+		g2.setColor( enabled ? c.getBackground() : disabledBackground );
+		FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
+
+		// paint arrow button background
+		if( enabled ) {
+			g2.setColor( comboBox.isEditable() ? buttonEditableBackground : buttonBackground );
+			Shape oldClip = g2.getClip();
+			if( isLeftToRight )
+				g2.clipRect( arrowX, 0, width - arrowX, height );
+			else
+				g2.clipRect( 0, 0, arrowX + arrowWidth, height );
 			FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
+			g2.setClip( oldClip );
+		}
 
-			// paint arrow button background
-			if( enabled ) {
-				g2.setColor( comboBox.isEditable() ? buttonEditableBackground : buttonBackground );
-				Shape oldClip = g2.getClip();
-				if( isLeftToRight )
-					g2.clipRect( arrowX, 0, width - arrowX, height );
-				else
-					g2.clipRect( 0, 0, arrowX + arrowWidth, height );
-				FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
-				g2.setClip( oldClip );
-			}
-
-			if( comboBox.isEditable() ) {
-				// paint vertical line between value and arrow button
-				g2.setColor( enabled ? borderColor : disabledBorderColor );
-				float lw = scale( 1f );
-				float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
-				g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - (focusWidth * 2) ) );
-			}
+		// paint vertical line between value and arrow button
+		if( comboBox.isEditable() ) {
+			g2.setColor( enabled ? borderColor : disabledBorderColor );
+			float lw = scale( 1f );
+			float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
+			g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - (focusWidth * 2) ) );
 		}
 
 		paint( g, c );
@@ -315,6 +327,7 @@ public class FlatComboBoxUI
 		CellPaddingBorder.uninstall( renderer );
 		Component c = renderer.getListCellRendererComponent( listBox, comboBox.getSelectedItem(), -1, false, false );
 		c.setFont( comboBox.getFont() );
+		c.applyComponentOrientation( comboBox.getComponentOrientation() );
 		CellPaddingBorder.uninstall( c );
 
 		boolean enabled = comboBox.isEnabled();
@@ -368,12 +381,20 @@ public class FlatComboBoxUI
 	@SuppressWarnings( { "rawtypes", "unchecked" } )
 	private class FlatComboPopup
 		extends BasicComboPopup
-		implements ListCellRenderer
 	{
 		private CellPaddingBorder paddingBorder;
 
 		FlatComboPopup( JComboBox combo ) {
 			super( combo );
+
+			// BasicComboPopup listens to JComboBox.componentOrientation and updates
+			// the component orientation of the list, scroller and popup, but when
+			// switching the LaF and a new combo popup is created, the component
+			// orientation is not applied.
+			ComponentOrientation o = comboBox.getComponentOrientation();
+			list.setComponentOrientation( o );
+			scroller.setComponentOrientation( o );
+			setComponentOrientation( o );
 		}
 
 		@Override
@@ -387,7 +408,13 @@ public class FlatComboBoxUI
 				comboBox.setPrototypeDisplayValue( prototype );
 
 			// make popup wider if necessary
-			pw = Math.max( pw, displaySize.width );
+			if( displaySize.width > pw ) {
+				int diff = displaySize.width - pw;
+				pw = displaySize.width;
+
+				if( !comboBox.getComponentOrientation().isLeftToRight() )
+					px -= diff;
+			}
 
 			return super.computePopupBounds( px, py, pw, ph );
 		}
@@ -405,7 +432,7 @@ public class FlatComboBoxUI
 		protected void configureList() {
 			super.configureList();
 
-			list.setCellRenderer( this );
+			list.setCellRenderer( new PopupListCellRenderer() );
 		}
 
 		@Override
@@ -416,27 +443,34 @@ public class FlatComboBoxUI
 					super.propertyChange( e );
 
 					if( e.getPropertyName() == "renderer" )
-						list.setCellRenderer( FlatComboPopup.this );
+						list.setCellRenderer( new PopupListCellRenderer() );
 				}
 			};
 		}
 
-		@Override
-		public Component getListCellRendererComponent( JList list, Object value,
-			int index, boolean isSelected, boolean cellHasFocus )
+		//---- class PopupListCellRenderer -----
+
+		private class PopupListCellRenderer
+			implements ListCellRenderer
 		{
-			ListCellRenderer renderer = comboBox.getRenderer();
-			CellPaddingBorder.uninstall( renderer );
+			@Override
+			public Component getListCellRendererComponent( JList list, Object value,
+				int index, boolean isSelected, boolean cellHasFocus )
+			{
+				ListCellRenderer renderer = comboBox.getRenderer();
+				CellPaddingBorder.uninstall( renderer );
 
-			Component c = renderer.getListCellRendererComponent( list, value, index, isSelected, cellHasFocus );
+				Component c = renderer.getListCellRendererComponent( list, value, index, isSelected, cellHasFocus );
+				c.applyComponentOrientation( comboBox.getComponentOrientation() );
 
-			if( c instanceof JComponent ) {
-				if( paddingBorder == null )
-					paddingBorder = new CellPaddingBorder( padding );
-				paddingBorder.install( (JComponent) c );
+				if( c instanceof JComponent ) {
+					if( paddingBorder == null )
+						paddingBorder = new CellPaddingBorder( padding );
+					paddingBorder.install( (JComponent) c );
+				}
+
+				return c;
 			}
-
-			return c;
 		}
 	}
 

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

@@ -19,6 +19,7 @@ package com.formdev.flatlaf.ui;
 import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Dimension;
 import javax.swing.JComponent;
+import javax.swing.JEditorPane;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicEditorPaneUI;
@@ -37,6 +38,8 @@ public class FlatEditorPaneUI
 {
 	protected int minimumWidth;
 
+	private Object oldHonorDisplayProperties;
+
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatEditorPaneUI();
 	}
@@ -46,6 +49,17 @@ public class FlatEditorPaneUI
 		super.installDefaults();
 
 		minimumWidth = UIManager.getInt( "Component.minimumWidth" );
+
+		// use component font and foreground for HTML text
+		oldHonorDisplayProperties = getComponent().getClientProperty( JEditorPane.HONOR_DISPLAY_PROPERTIES );
+		getComponent().putClientProperty( JEditorPane.HONOR_DISPLAY_PROPERTIES, true );
+	}
+
+	@Override
+	protected void uninstallDefaults() {
+		super.uninstallDefaults();
+
+		getComponent().putClientProperty( JEditorPane.HONOR_DISPLAY_PROPERTIES, oldHonorDisplayProperties );
 	}
 
 	@Override

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

@@ -23,6 +23,7 @@ import java.awt.GridBagConstraints;
 import javax.swing.JComponent;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.basic.BasicHTML;
 import javax.swing.plaf.basic.BasicOptionPaneUI;
 import com.formdev.flatlaf.util.UIScale;
 
@@ -122,6 +123,10 @@ public class FlatOptionPaneUI
 		if( messagePadding > 0 )
 			cons.insets.bottom = UIScale.scale( messagePadding );
 
+		// disable line wrapping for HTML
+		if( msg instanceof String && BasicHTML.isHTMLString( (String) msg ) )
+			maxll = Integer.MAX_VALUE;
+
 		super.addMessageComponents( container, cons, msg, maxll, internallyCreated );
 	}
 

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

@@ -19,15 +19,12 @@ package com.formdev.flatlaf.ui;
 import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Dimension;
 import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import javax.swing.JComponent;
 import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicPasswordFieldUI;
-import javax.swing.text.JTextComponent;
 import com.formdev.flatlaf.util.SystemInfo;
 
 /**
@@ -46,7 +43,7 @@ public class FlatPasswordFieldUI
 	protected int focusWidth;
 	protected int minimumWidth;
 
-	private Handler handler;
+	private FocusListener focusListener;
 
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatPasswordFieldUI();
@@ -63,6 +60,8 @@ public class FlatPasswordFieldUI
 		focusWidth = UIManager.getInt( "Component.focusWidth" );
 		minimumWidth = UIManager.getInt( "Component.minimumWidth" );
 
+		LookAndFeel.installProperty( getComponent(), "opaque", focusWidth == 0 );
+
 		MigLayoutVisualPadding.install( getComponent(), focusWidth );
 	}
 
@@ -77,71 +76,42 @@ public class FlatPasswordFieldUI
 	protected void installListeners() {
 		super.installListeners();
 
-		getComponent().addFocusListener( getHandler() );
+		focusListener = new FlatUIUtils.RepaintFocusListener( getComponent() );
+		getComponent().addFocusListener( focusListener );
 	}
 
 	@Override
 	protected void uninstallListeners() {
 		super.uninstallListeners();
 
-		getComponent().removeFocusListener( getHandler() );
-
-		handler = null;
+		getComponent().removeFocusListener( focusListener );
+		focusListener = null;
 	}
 
-	public Handler getHandler() {
-		if( handler == null )
-			handler = new Handler();
-		return handler;
+	@Override
+	protected void paintSafely( Graphics g ) {
+		FlatTextFieldUI.paintBackground( g, getComponent(), focusWidth );
+		super.paintSafely( g );
 	}
 
 	@Override
 	protected void paintBackground( Graphics g ) {
-		JTextComponent c = getComponent();
-
-		FlatUIUtils.paintParentBackground( g, c );
-
-		Graphics2D g2 = (Graphics2D) g.create();
-		try {
-			FlatUIUtils.setRenderingHints( g2 );
-
-			float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
-
-			g2.setColor( c.getBackground() );
-			FlatUIUtils.fillRoundRectangle( g2, 0, 0, c.getWidth(), c.getHeight(), focusWidth, 0 );
-		} finally {
-			g2.dispose();
-		}
+		// background is painted elsewhere
 	}
 
 	@Override
 	public Dimension getPreferredSize( JComponent c ) {
-		return applyMinimumWidth( super.getPreferredSize( c ) );
+		return applyMinimumWidth( super.getPreferredSize( c ), c );
 	}
 
 	@Override
 	public Dimension getMinimumSize( JComponent c ) {
-		return applyMinimumWidth( super.getMinimumSize( c ) );
+		return applyMinimumWidth( super.getMinimumSize( c ), c );
 	}
 
-	private Dimension applyMinimumWidth( Dimension size ) {
+	private Dimension applyMinimumWidth( Dimension size, JComponent c ) {
+		int focusWidth = (c.getBorder() instanceof FlatBorder) ? this.focusWidth : 0;
 		size.width = Math.max( size.width, scale( minimumWidth + (focusWidth * 2) ) );
 		return size;
 	}
-
-	//---- class Handler ------------------------------------------------------
-
-	private class Handler
-		implements FocusListener
-	{
-		@Override
-		public void focusGained( FocusEvent e ) {
-			getComponent().repaint();
-		}
-
-		@Override
-		public void focusLost( FocusEvent e ) {
-			getComponent().repaint();
-		}
-	}
 }

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

@@ -23,6 +23,7 @@ import java.awt.Insets;
 import java.awt.geom.RoundRectangle2D;
 import javax.swing.JComponent;
 import javax.swing.JProgressBar;
+import javax.swing.LookAndFeel;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicProgressBarUI;
 import com.formdev.flatlaf.util.UIScale;
@@ -39,6 +40,13 @@ public class FlatProgressBarUI
 		return new FlatProgressBarUI();
 	}
 
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		LookAndFeel.installProperty( progressBar, "opaque", false );
+	}
+
 	@Override
 	protected Dimension getPreferredInnerHorizontal() {
 		return UIScale.scale( super.getPreferredInnerHorizontal() );

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

@@ -66,6 +66,7 @@ public class FlatRadioButtonUI
 			defaults_initialized = true;
 		}
 
+		LookAndFeel.installProperty( b, "opaque", false );
 		LookAndFeel.installProperty( b, "iconTextGap", scale( iconTextGap ) );
 
 		MigLayoutVisualPadding.install( b, null );

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

@@ -17,10 +17,8 @@
 package com.formdev.flatlaf.ui;
 
 import java.awt.Component;
-import java.awt.Container;
 import java.awt.Graphics;
 import java.awt.Insets;
-import java.awt.Rectangle;
 import java.awt.event.ContainerEvent;
 import java.awt.event.ContainerListener;
 import java.awt.event.FocusEvent;
@@ -29,10 +27,9 @@ import java.beans.PropertyChangeEvent;
 import javax.swing.JComponent;
 import javax.swing.JScrollPane;
 import javax.swing.JViewport;
-import javax.swing.ScrollPaneLayout;
+import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
-import javax.swing.plaf.UIResource;
 import javax.swing.plaf.basic.BasicScrollPaneUI;
 
 /**
@@ -53,17 +50,14 @@ public class FlatScrollPaneUI
 	public void installUI( JComponent c ) {
 		super.installUI( c );
 
-		if( scrollpane.getLayout() instanceof UIResource )
-			scrollpane.setLayout( new FlatScrollPaneLayout() );
+		int focusWidth = UIManager.getInt( "Component.focusWidth" );
+		LookAndFeel.installProperty( c, "opaque", focusWidth == 0 );
 
-		MigLayoutVisualPadding.install( scrollpane, UIManager.getInt( "Component.focusWidth" ) );
+		MigLayoutVisualPadding.install( scrollpane, focusWidth );
 	}
 
 	@Override
 	public void uninstallUI( JComponent c ) {
-		if( scrollpane.getLayout() instanceof FlatScrollPaneLayout )
-			scrollpane.setLayout( new ScrollPaneLayout.UIResource() );
-
 		MigLayoutVisualPadding.uninstall( scrollpane );
 
 		super.uninstallUI( c );
@@ -169,27 +163,4 @@ public class FlatScrollPaneUI
 			scrollpane.repaint();
 		}
 	}
-
-	//---- class FlatScrollPaneLayout -----------------------------------------
-
-	private static class FlatScrollPaneLayout
-		extends ScrollPaneLayout
-	{
-		@Override
-		public void layoutContainer( Container parent ) {
-			super.layoutContainer( parent );
-
-			// increase height of vertical scroll bar so that it also fills the upper right corner
-			if( colHead != null && vsb != null && colHead.isVisible() && vsb.isVisible() ) {
-				Rectangle colHeadBounds = colHead.getBounds();
-				Rectangle vsbBounds = vsb.getBounds();
-
-				if( vsbBounds.y > colHeadBounds.y ) {
-					vsbBounds.height += (vsbBounds.y - colHeadBounds.y);
-					vsbBounds.y = colHeadBounds.y;
-					vsb.setBounds( vsbBounds );
-				}
-			}
-		}
-	}
 }

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

@@ -25,6 +25,7 @@ import java.awt.geom.Path2D;
 import java.awt.geom.RoundRectangle2D;
 import javax.swing.JComponent;
 import javax.swing.JSlider;
+import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicSliderUI;
@@ -96,6 +97,8 @@ public class FlatSliderUI
 	protected void installDefaults( JSlider slider ) {
 		super.installDefaults( slider );
 
+		LookAndFeel.installProperty( slider, "opaque", false );
+
 		trackWidth = UIManager.getInt( "Slider.trackWidth" );
 		thumbWidth = UIManager.getInt( "Slider.thumbWidth" );
 
@@ -170,9 +173,15 @@ public class FlatSliderUI
 		if( slider.getOrientation() == JSlider.HORIZONTAL ) {
 			float y = trackRect.y + (trackRect.height - tw) / 2f;
 			if( enabled && isRoundThumb() ) {
-				int cw = thumbRect.x + (thumbRect.width / 2) - trackRect.x;
-				coloredTrack = new RoundRectangle2D.Float( trackRect.x, y, cw, tw, arc, arc );
-				track = new RoundRectangle2D.Float( trackRect.x + cw, y, trackRect.width - cw, tw, arc, arc );
+				if( slider.getComponentOrientation().isLeftToRight() ) {
+					int cw = thumbRect.x + (thumbRect.width / 2) - trackRect.x;
+					coloredTrack = new RoundRectangle2D.Float( trackRect.x, y, cw, tw, arc, arc );
+					track = new RoundRectangle2D.Float( trackRect.x + cw, y, trackRect.width - cw, tw, arc, arc );
+				} else {
+					int cw = trackRect.x + trackRect.width - thumbRect.x - (thumbRect.width / 2);
+					coloredTrack = new RoundRectangle2D.Float( trackRect.x + trackRect.width - cw, y, cw, tw, arc, arc );
+					track = new RoundRectangle2D.Float( trackRect.x, y, trackRect.width - cw, tw, arc, arc );
+				}
 			} else
 				track = new RoundRectangle2D.Float( trackRect.x, y, trackRect.width, tw, arc, arc );
 		} else {

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

@@ -35,6 +35,7 @@ import java.beans.PropertyChangeListener;
 import javax.swing.JComponent;
 import javax.swing.JSpinner;
 import javax.swing.JTextField;
+import javax.swing.LookAndFeel;
 import javax.swing.SwingConstants;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
@@ -88,6 +89,8 @@ public class FlatSpinnerUI
 	protected void installDefaults() {
 		super.installDefaults();
 
+		LookAndFeel.installProperty( spinner, "opaque", false );
+
 		focusWidth = UIManager.getInt( "Component.focusWidth" );
 		arc = UIManager.getInt( "Component.arc" );
 		minimumWidth = UIManager.getInt( "Component.minimumWidth" );
@@ -152,6 +155,13 @@ public class FlatSpinnerUI
 	@Override
 	protected JComponent createEditor() {
 		JComponent editor = super.createEditor();
+
+		// explicitly make non-opaque
+		editor.setOpaque( false );
+		JTextField textField = getEditorTextField( editor );
+		if( textField != null )
+			textField.setOpaque( false );
+
 		updateEditorColors();
 		return editor;
 	}
@@ -183,8 +193,6 @@ public class FlatSpinnerUI
 			// use non-UIResource colors because when SwingUtilities.updateComponentTreeUI()
 			// is used, then the text field is updated after the spinner and the
 			// colors are again replaced with default colors
-			textField.setBackground( FlatUIUtils.nonUIResource( spinner.isEnabled()
-				? spinner.getBackground() : disabledBackground ) );
 			textField.setForeground( FlatUIUtils.nonUIResource( spinner.getForeground() ) );
 			textField.setDisabledTextColor( FlatUIUtils.nonUIResource( disabledForeground ) );
 		}
@@ -225,45 +233,45 @@ public class FlatSpinnerUI
 
 	@Override
 	public void update( Graphics g, JComponent c ) {
-		if( c.isOpaque() ) {
+		// fill background if opaque to avoid garbage if user sets opaque to true
+		if( c.isOpaque() && (focusWidth > 0 || arc != 0) )
 			FlatUIUtils.paintParentBackground( g, c );
 
-			Graphics2D g2 = (Graphics2D) g;
-			FlatUIUtils.setRenderingHints( g2 );
+		Graphics2D g2 = (Graphics2D) g;
+		FlatUIUtils.setRenderingHints( g2 );
 
-			int width = c.getWidth();
-			int height = c.getHeight();
-			float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
-			float arc = (c.getBorder() instanceof FlatRoundBorder) ? scale( (float) this.arc ) : 0;
-			Component nextButton = getHandler().nextButton;
-			int arrowX = nextButton.getX();
-			int arrowWidth = nextButton.getWidth();
-			boolean enabled = spinner.isEnabled();
-			boolean isLeftToRight = spinner.getComponentOrientation().isLeftToRight();
+		int width = c.getWidth();
+		int height = c.getHeight();
+		float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
+		float arc = (c.getBorder() instanceof FlatRoundBorder) ? scale( (float) this.arc ) : 0;
+		Component nextButton = getHandler().nextButton;
+		int arrowX = nextButton.getX();
+		int arrowWidth = nextButton.getWidth();
+		boolean enabled = spinner.isEnabled();
+		boolean isLeftToRight = spinner.getComponentOrientation().isLeftToRight();
 
-			// paint background
-			g2.setColor( enabled ? c.getBackground() : disabledBackground );
+		// paint background
+		g2.setColor( enabled ? c.getBackground() : disabledBackground );
+		FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
+
+		// paint arrow buttons background
+		if( enabled ) {
+			g2.setColor( buttonBackground );
+			Shape oldClip = g2.getClip();
+			if( isLeftToRight )
+				g2.clipRect( arrowX, 0, width - arrowX, height );
+			else
+				g2.clipRect( 0, 0, arrowX + arrowWidth, height );
 			FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
-
-			// paint arrow buttons background
-			if( enabled ) {
-				g2.setColor( buttonBackground );
-				Shape oldClip = g2.getClip();
-				if( isLeftToRight )
-					g2.clipRect( arrowX, 0, width - arrowX, height );
-				else
-					g2.clipRect( 0, 0, arrowX + arrowWidth, height );
-				FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
-				g2.setClip( oldClip );
-			}
-
-			// paint vertical line between value and arrow buttons
-			g2.setColor( enabled ? borderColor : disabledBorderColor );
-			float lw = scale( 1f );
-			float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
-			g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - (focusWidth * 2) ) );
+			g2.setClip( oldClip );
 		}
 
+		// paint vertical line between value and arrow buttons
+		g2.setColor( enabled ? borderColor : disabledBorderColor );
+		float lw = scale( 1f );
+		float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
+		g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - (focusWidth * 2) ) );
+
 		paint( g, c );
 	}
 
@@ -370,7 +378,6 @@ public class FlatSpinnerUI
 		@Override
 		public void propertyChange( PropertyChangeEvent e ) {
 			switch( e.getPropertyName() ) {
-				case "background":
 				case "foreground":
 				case "enabled":
 					updateEditorColors();

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

@@ -17,12 +17,19 @@
 package com.formdev.flatlaf.ui;
 
 import static com.formdev.flatlaf.util.UIScale.scale;
+import static com.formdev.flatlaf.FlatClientProperties.*;
 import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
 import java.awt.Font;
 import java.awt.FontMetrics;
 import java.awt.Graphics;
+import java.awt.Graphics2D;
 import java.awt.Insets;
 import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.geom.Path2D;
+import java.awt.geom.Rectangle2D;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
 import javax.swing.JButton;
@@ -108,7 +115,6 @@ public class FlatTabbedPaneUI
 		tabAreaInsets = scale( tabAreaInsets );
 		tabHeight = scale( tabHeight );
 		tabSelectionHeight = scale( tabSelectionHeight );
-		contentSeparatorHeight = scale( contentSeparatorHeight );
 
 		MigLayoutVisualPadding.install( tabPane, null );
 	}
@@ -135,7 +141,7 @@ public class FlatTabbedPaneUI
 			public void propertyChange( PropertyChangeEvent e ) {
 				super.propertyChange( e );
 
-				if( "JTabbedPane.hasFullBorder".equals( e.getPropertyName() ) ) {
+				if( TABBED_PANE_HAS_FULL_BORDER.equals( e.getPropertyName() ) ) {
 					tabPane.revalidate();
 					tabPane.repaint();
 				}
@@ -176,70 +182,45 @@ public class FlatTabbedPaneUI
 
 	@Override
 	protected int calculateTabWidth( int tabPlacement, int tabIndex, FontMetrics metrics ) {
-		return super.calculateTabWidth( tabPlacement, tabIndex, metrics ) - 3 // was added by superclass
-			+ (!isTopOrBottom( tabPlacement ) && isScrollTabLayout() ? contentSeparatorHeight : 0);
+		return super.calculateTabWidth( tabPlacement, tabIndex, metrics ) - 3 /* was added by superclass */;
 	}
 
 	@Override
 	protected int calculateTabHeight( int tabPlacement, int tabIndex, int fontHeight ) {
-		return Math.max( tabHeight, super.calculateTabHeight( tabPlacement, tabIndex, fontHeight ) - 2 /* was added by superclass */ )
-			+ (isTopOrBottom( tabPlacement ) && isScrollTabLayout() ? contentSeparatorHeight : 0);
+		return Math.max( tabHeight, super.calculateTabHeight( tabPlacement, tabIndex, fontHeight ) - 2 /* was added by superclass */ );
 	}
 
 	/**
 	 * The content border insets are used to create a separator between tabs and content.
-	 * Except in scroll tab policy, where the separator is painted in paintTabArea().
 	 * If client property JTabbedPane.hasFullBorder is true, then the content border insets
 	 * are also used for the border.
 	 */
 	@Override
 	protected Insets getContentBorderInsets( int tabPlacement ) {
-		boolean hasFullBorder = this.hasFullBorder || (tabPane.getClientProperty( "JTabbedPane.hasFullBorder" ) == Boolean.TRUE);
-		int sh = contentSeparatorHeight;
+		boolean hasFullBorder = this.hasFullBorder || clientPropertyEquals( tabPane, TABBED_PANE_HAS_FULL_BORDER, true );
+		int sh = scale( contentSeparatorHeight );
 		Insets insets = hasFullBorder ? new Insets( sh, sh, sh, sh ) : new Insets( sh, 0, 0, 0 );
 
-		if( isScrollTabLayout() )
-			insets.top = 0;
-
+		Insets contentBorderInsets = new Insets( 0, 0, 0, 0 );
 		rotateInsets( insets, contentBorderInsets, tabPlacement );
 		return contentBorderInsets;
 	}
 
 	@Override
 	protected int getTabLabelShiftX( int tabPlacement, int tabIndex, boolean isSelected ) {
-		if( isScrollTabLayout() && !isTopOrBottom( tabPlacement ) ) {
-			float shift = contentSeparatorHeight / 2f;
-			return Math.round( tabPlacement == LEFT ? -shift : shift );
-		} else
-			return 0;
+		return 0;
 	}
 
 	@Override
 	protected int getTabLabelShiftY( int tabPlacement, int tabIndex, boolean isSelected ) {
-		if( isScrollTabLayout() && isTopOrBottom( tabPlacement ) ) {
-			float shift = contentSeparatorHeight / 2f;
-			return Math.round( tabPlacement == TOP ? -shift : shift );
-		} else
-			return 0;
+		return 0;
 	}
 
 	@Override
-	protected void paintTabArea( Graphics g, int tabPlacement, int selectedIndex ) {
-		if( isScrollTabLayout() ) {
-			// paint separator between tabs and content
-			Rectangle bounds = g.getClipBounds();
-			g.setColor( contentAreaColor );
+	public void update( Graphics g, JComponent c ) {
+		FlatUIUtils.setRenderingHints( (Graphics2D) g );
 
-			if( tabPlacement == TOP || tabPlacement == BOTTOM ) {
-				int y = (tabPlacement == TOP) ? bounds.y + bounds.height - contentSeparatorHeight : bounds.y;
-				g.fillRect( bounds.x, y, bounds.x + bounds.width, contentSeparatorHeight );
-			} else {
-				int x = (tabPlacement == LEFT) ? bounds.x + bounds.width - contentSeparatorHeight : bounds.x;
-				g.fillRect( x, bounds.y, contentSeparatorHeight, bounds.y + bounds.height );
-			}
-		}
-
-		super.paintTabArea( g, tabPlacement, selectedIndex );
+		super.update( g, c );
 	}
 
 	@Override
@@ -275,19 +256,6 @@ public class FlatTabbedPaneUI
 	protected void paintTabBackground( Graphics g, int tabPlacement, int tabIndex,
 		int x, int y, int w, int h, boolean isSelected )
 	{
-		if( isScrollTabLayout() ) {
-			// make tab bounds smaller for separator between tabs and content
-			if( tabPlacement == TOP || tabPlacement == BOTTOM ) {
-				if( tabPlacement == BOTTOM )
-					y += contentSeparatorHeight;
-				h -= contentSeparatorHeight;
-			} else {
-				if( tabPlacement == RIGHT )
-					x += contentSeparatorHeight;
-				w -= contentSeparatorHeight;
-			}
-		}
-
 		// paint tab background
 		boolean enabled = tabPane.isEnabled();
 		g.setColor( enabled && tabPane.isEnabledAt( tabIndex ) && getRolloverTab() == tabIndex
@@ -302,8 +270,38 @@ public class FlatTabbedPaneUI
 	protected void paintTabBorder( Graphics g, int tabPlacement, int tabIndex,
 		int x, int y, int w, int h, boolean isSelected )
 	{
-		if( !isSelected )
-			return;
+		if( isSelected )
+			paintTabSelection( g, tabPlacement, x, y, w, h );
+	}
+
+	protected void paintTabSelection( Graphics g, int tabPlacement,  int x, int y, int w, int h ) {
+		// increase clip bounds in scroll-tab-layout to paint over the separator line
+		Rectangle clipBounds = isScrollTabLayout() ? g.getClipBounds() : null;
+		if( clipBounds != null ) {
+			Rectangle newClipBounds = new Rectangle( clipBounds );
+			int contentSeparatorHeight = scale( this.contentSeparatorHeight );
+			switch( tabPlacement ) {
+				case TOP:
+				default:
+					newClipBounds.height += contentSeparatorHeight;
+					break;
+
+				case BOTTOM:
+					newClipBounds.y -= contentSeparatorHeight;
+					newClipBounds.height += contentSeparatorHeight;
+					break;
+
+				case LEFT:
+					newClipBounds.width += contentSeparatorHeight;
+					break;
+
+				case RIGHT:
+					newClipBounds.x -= contentSeparatorHeight;
+					newClipBounds.width += contentSeparatorHeight;
+					break;
+			}
+			g.setClip( newClipBounds );
+		}
 
 		g.setColor( tabPane.isEnabled() ? underlineColor : disabledUnderlineColor );
 
@@ -330,13 +328,16 @@ public class FlatTabbedPaneUI
 				g.fillRect( x - contentInsets.right, y, tabSelectionHeight, h );
 				break;
 		}
+
+		if( clipBounds != null )
+			g.setClip( clipBounds );
 	}
 
 	/**
 	 * Actually does the nearly the same as super.paintContentBorder() but
-	 *   - content pane is always opaque
 	 *   - not using UIManager.getColor("TabbedPane.contentAreaColor") to be GUI builder friendly
 	 *   - not invoking paintContentBorder*Edge() methods
+	 *   - repaint selection
 	 */
 	@Override
 	protected void paintContentBorder( Graphics g, int tabPlacement, int selectedIndex ) {
@@ -377,9 +378,34 @@ public class FlatTabbedPaneUI
 				h -= (y - insets.top);
 		}
 
+		// compute insets for separator or full border
+		boolean hasFullBorder = this.hasFullBorder || clientPropertyEquals( tabPane, TABBED_PANE_HAS_FULL_BORDER, true );
+		int sh = scale( contentSeparatorHeight * 100 ); // multiply by 100 because rotateInsets() does not use floats
+		Insets ci = new Insets( 0, 0, 0, 0 );
+		rotateInsets( hasFullBorder ? new Insets( sh, sh, sh, sh ) : new Insets( sh, 0, 0, 0 ), ci, tabPlacement );
+
 		// paint content area
 		g.setColor( contentAreaColor );
-		g.fillRect( x, y, w, h );
+		Path2D path = new Path2D.Float( Path2D.WIND_EVEN_ODD );
+		path.append( new Rectangle2D.Float( x, y, w, h ), false );
+		path.append( new Rectangle2D.Float( x + (ci.left / 100f), y + (ci.top / 100f),
+			w - (ci.left / 100f) - (ci.right / 100f), h - (ci.top / 100f) - (ci.bottom / 100f) ), false );
+		((Graphics2D)g).fill( path );
+
+		// repaint selection in scroll-tab-layout because it may be painted before
+		// the content border was painted (from BasicTabbedPaneUI$ScrollableTabPanel)
+		if( isScrollTabLayout() && selectedIndex >= 0 ) {
+			Component scrollableTabViewport = findComponentByClassName( tabPane,
+				BasicTabbedPaneUI.class.getName() + "$ScrollableTabViewport" );
+			if( scrollableTabViewport != null ) {
+				Rectangle tabRect = getTabBounds( tabPane, selectedIndex );
+
+				Shape oldClip = g.getClip();
+				g.setClip( scrollableTabViewport.getBounds() );
+				paintTabSelection( g, tabPlacement, tabRect.x, tabRect.y, tabRect.width, tabRect.height );
+				g.setClip( oldClip );
+			}
+		}
 	}
 
 	@Override
@@ -392,7 +418,17 @@ public class FlatTabbedPaneUI
 		return tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT;
 	}
 
-	private boolean isTopOrBottom( int tabPlacement ) {
-		return tabPlacement == TOP || tabPlacement == BOTTOM;
+	private Component findComponentByClassName( Container c, String className ) {
+		for( Component child : c.getComponents() ) {
+			if( className.equals( child.getClass().getName() ) )
+				return child;
+
+			if( child instanceof Container ) {
+				Component c2 = findComponentByClassName( (Container) child, className );
+				if( c2 != null )
+					return c2;
+			}
+		}
+		return null;
 	}
 }

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

@@ -21,6 +21,7 @@ import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.Graphics;
 import javax.swing.JComponent;
+import javax.swing.JTextArea;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.UIResource;
@@ -81,15 +82,19 @@ public class FlatTextAreaUI
 
 	@Override
 	public Dimension getPreferredSize( JComponent c ) {
-		return applyMinimumWidth( super.getPreferredSize( c ) );
+		return applyMinimumWidth( super.getPreferredSize( c ), c );
 	}
 
 	@Override
 	public Dimension getMinimumSize( JComponent c ) {
-		return applyMinimumWidth( super.getMinimumSize( c ) );
+		return applyMinimumWidth( super.getMinimumSize( c ), c );
 	}
 
-	private Dimension applyMinimumWidth( Dimension size ) {
+	private Dimension applyMinimumWidth( Dimension size, JComponent c ) {
+		// do not apply minimum width if JTextArea.columns is set
+		if( c instanceof JTextArea && ((JTextArea)c).getColumns() > 0 )
+			return size;
+
 		// Assume that text area is in a scroll pane (that displays the border)
 		// and subtract 1px border line width.
 		// Using "(scale( 1 ) * 2)" instead of "scale( 2 )" to deal with rounding

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

@@ -21,11 +21,12 @@ import java.awt.Container;
 import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
-import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import javax.swing.JComboBox;
 import javax.swing.JComponent;
 import javax.swing.JSpinner;
+import javax.swing.JTextField;
+import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicTextFieldUI;
@@ -47,7 +48,7 @@ public class FlatTextFieldUI
 	protected int focusWidth;
 	protected int minimumWidth;
 
-	private Handler handler;
+	private FocusListener focusListener;
 
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatTextFieldUI();
@@ -60,6 +61,8 @@ public class FlatTextFieldUI
 		focusWidth = UIManager.getInt( "Component.focusWidth" );
 		minimumWidth = UIManager.getInt( "Component.minimumWidth" );
 
+		LookAndFeel.installProperty( getComponent(), "opaque", focusWidth == 0 );
+
 		MigLayoutVisualPadding.install( getComponent(), focusWidth );
 	}
 
@@ -74,38 +77,51 @@ public class FlatTextFieldUI
 	protected void installListeners() {
 		super.installListeners();
 
-		getComponent().addFocusListener( getHandler() );
+		focusListener = new FlatUIUtils.RepaintFocusListener( getComponent() );
+		getComponent().addFocusListener( focusListener );
 	}
 
 	@Override
 	protected void uninstallListeners() {
 		super.uninstallListeners();
 
-		getComponent().removeFocusListener( getHandler() );
-
-		handler = null;
+		getComponent().removeFocusListener( focusListener );
+		focusListener = null;
 	}
 
-	public Handler getHandler() {
-		if( handler == null )
-			handler = new Handler();
-		return handler;
+	@Override
+	protected void paintSafely( Graphics g ) {
+		paintBackground( g, getComponent(), focusWidth );
+		super.paintSafely( g );
 	}
 
 	@Override
 	protected void paintBackground( Graphics g ) {
-		JTextComponent c = getComponent();
+		// background is painted elsewhere
+	}
 
-		FlatUIUtils.paintParentBackground( g, c );
+	static void paintBackground( Graphics g, JTextComponent c, int focusWidth ) {
+		// do not paint background if:
+		//   - not opaque and
+		//   - border is not a flat border and
+		//   - opaque was explicitly set (to false)
+		// (same behaviour as in AquaTextFieldUI)
+		if( !c.isOpaque() && !(c.getBorder() instanceof FlatBorder) && FlatUIUtils.hasOpaqueBeenExplicitlySet( c ) )
+			return;
 
+		// fill background if opaque to avoid garbage if user sets opaque to true
+		if( c.isOpaque() && focusWidth > 0 )
+			FlatUIUtils.paintParentBackground( g, c );
+
+		// paint background
 		Graphics2D g2 = (Graphics2D) g.create();
 		try {
 			FlatUIUtils.setRenderingHints( g2 );
 
-			float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
+			float fFocusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) focusWidth ) : 0;
 
 			g2.setColor( c.getBackground() );
-			FlatUIUtils.fillRoundRectangle( g2, 0, 0, c.getWidth(), c.getHeight(), focusWidth, 0 );
+			FlatUIUtils.fillRoundRectangle( g2, 0, 0, c.getWidth(), c.getHeight(), fFocusWidth, 0 );
 		} finally {
 			g2.dispose();
 		}
@@ -122,29 +138,18 @@ public class FlatTextFieldUI
 	}
 
 	private Dimension applyMinimumWidth( Dimension size, JComponent c ) {
+		// do not apply minimum width if JTextField.columns is set
+		if( c instanceof JTextField && ((JTextField)c).getColumns() > 0 )
+			return size;
+
 		Container parent = c.getParent();
 		if( parent instanceof JComboBox ||
 			parent instanceof JSpinner ||
 			(parent != null && parent.getParent() instanceof JSpinner) )
 		  return size;
 
+		int focusWidth = (c.getBorder() instanceof FlatBorder) ? this.focusWidth : 0;
 		size.width = Math.max( size.width, scale( minimumWidth + (focusWidth * 2) ) );
 		return size;
 	}
-
-	//---- class Handler ------------------------------------------------------
-
-	private class Handler
-		implements FocusListener
-	{
-		@Override
-		public void focusGained( FocusEvent e ) {
-			getComponent().repaint();
-		}
-
-		@Override
-		public void focusLost( FocusEvent e ) {
-			getComponent().repaint();
-		}
-	}
 }

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

@@ -19,6 +19,7 @@ package com.formdev.flatlaf.ui;
 import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Dimension;
 import javax.swing.JComponent;
+import javax.swing.JEditorPane;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicTextPaneUI;
@@ -37,6 +38,8 @@ public class FlatTextPaneUI
 {
 	protected int minimumWidth;
 
+	private Object oldHonorDisplayProperties;
+
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatTextPaneUI();
 	}
@@ -46,6 +49,17 @@ public class FlatTextPaneUI
 		super.installDefaults();
 
 		minimumWidth = UIManager.getInt( "Component.minimumWidth" );
+
+		// use component font and foreground for HTML text
+		oldHonorDisplayProperties = getComponent().getClientProperty( JEditorPane.HONOR_DISPLAY_PROPERTIES );
+		getComponent().putClientProperty( JEditorPane.HONOR_DISPLAY_PROPERTIES, true );
+	}
+
+	@Override
+	protected void uninstallDefaults() {
+		super.uninstallDefaults();
+
+		getComponent().putClientProperty( JEditorPane.HONOR_DISPLAY_PROPERTIES, oldHonorDisplayProperties );
 	}
 
 	@Override

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

@@ -19,6 +19,8 @@ package com.formdev.flatlaf.ui;
 import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Component;
 import java.awt.Insets;
+import java.awt.event.ContainerEvent;
+import java.awt.event.ContainerListener;
 import javax.swing.AbstractButton;
 import javax.swing.JComponent;
 import javax.swing.UIManager;
@@ -53,6 +55,29 @@ public class FlatToolBarUI
 		rolloverBorder = null;
 	}
 
+	@Override
+	protected ContainerListener createToolBarContListener() {
+		return new ToolBarContListener() {
+			@Override
+			public void componentAdded( ContainerEvent e ) {
+				super.componentAdded( e );
+
+				Component c = e.getChild();
+				if( c instanceof AbstractButton )
+					c.setFocusable( false );
+			}
+
+			@Override
+			public void componentRemoved( ContainerEvent e ) {
+				super.componentRemoved( e );
+
+				Component c = e.getChild();
+				if( c instanceof AbstractButton )
+					c.setFocusable( true );
+			}
+		};
+	}
+
 	@Override
 	protected Border createRolloverBorder() {
 		return getRolloverBorder();

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

@@ -74,11 +74,14 @@ public class FlatToolTipUI
 			List<String> lines = FlatLaf.split( ((JToolTip)c).getTipText(), '\n' );
 
 			int x = insets.left;
+			int x2 = c.getWidth() - insets.right;
 			int y = insets.top - fm.getDescent();
 			int lineHeight = fm.getHeight();
+			JComponent comp = ((JToolTip)c).getComponent();
+			boolean leftToRight = (comp != null ? comp : c).getComponentOrientation().isLeftToRight();
 			for( String line : lines ) {
 				y += lineHeight;
-				g.drawString( line, x, y );
+				FlatUIUtils.drawString( c, g, line, leftToRight ? x : x2 - SwingUtilities.computeStringWidth( fm, line ), y );
 			}
 		} else
 			super.paint( g, c );

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

@@ -17,13 +17,17 @@
 package com.formdev.flatlaf.ui;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.Container;
+import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.Insets;
 import java.awt.Rectangle;
 import java.awt.RenderingHints;
 import java.awt.Shape;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.geom.Path2D;
@@ -31,8 +35,10 @@ import java.awt.geom.Rectangle2D;
 import java.awt.geom.RoundRectangle2D;
 import java.util.function.Consumer;
 import javax.swing.JComponent;
+import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
 import javax.swing.plaf.ColorUIResource;
+import com.formdev.flatlaf.util.DerivedColor;
 import com.formdev.flatlaf.util.JavaCompatibility;
 import com.formdev.flatlaf.util.UIScale;
 
@@ -61,6 +67,20 @@ public class FlatUIUtils
 			r.height - insets.top - insets.bottom );
 	}
 
+	public static Dimension addInsets( Dimension dim, Insets insets ) {
+		return new Dimension(
+			dim.width + insets.left + insets.right,
+			dim.height + insets.top + insets.bottom );
+	}
+
+	public static Insets addInsets( Insets insets1, Insets insets2 ) {
+		return new Insets(
+			insets1.top + insets2.top,
+			insets1.left + insets2.left,
+			insets1.bottom + insets2.bottom,
+			insets1.right + insets2.right );
+	}
+
 	public static Color getUIColor( String key, int defaultColorRGB ) {
 		Color color = UIManager.getColor( key );
 		return (color != null) ? color : new Color( defaultColorRGB );
@@ -80,6 +100,10 @@ public class FlatUIUtils
 		return (c instanceof ColorUIResource) ? new Color( c.getRGB(), true ) : c;
 	}
 
+	public static boolean isTableCellEditor( Component c ) {
+		return c instanceof JComponent && Boolean.TRUE.equals( ((JComponent)c).getClientProperty( "JComboBox.isTableCellEditor" ) );
+	}
+
 	/**
 	 * Sets rendering hints used for painting.
 	 */
@@ -89,6 +113,12 @@ public class FlatUIUtils
 			MAC_USE_QUARTZ ? RenderingHints.VALUE_STROKE_PURE : RenderingHints.VALUE_STROKE_NORMALIZE );
 	}
 
+	public static void setColor( Graphics g, Color color, Color baseColor ) {
+		if( color instanceof DerivedColor )
+			color = ((DerivedColor)color).derive( baseColor );
+		g.setColor( color );
+	}
+
 	/**
 	 * Draws a round rectangle.
 	 */
@@ -160,21 +190,52 @@ public class FlatUIUtils
 	}
 
 	private static Shape createOutlinePath( float x, float y, float width, float height, float arc ) {
-		if( arc <= 0 )
+		return createRoundRectanglePath( x, y, width, height, arc, arc, arc, arc );
+	}
+
+	/**
+	 * Creates a not-filled rounded rectangle shape and allows specifying the line width and the radius or each corner.
+	 */
+	public static Path2D createRoundRectangle( float x, float y, float width, float height,
+		float lineWidth, float arcTopLeft, float arcTopRight, float arcBottomLeft, float arcBottomRight )
+	{
+		Path2D path = new Path2D.Float( Path2D.WIND_EVEN_ODD );
+		path.append( createRoundRectanglePath( x, y, width, height, arcTopLeft, arcTopRight, arcBottomLeft, arcBottomRight ), false );
+		path.append( createRoundRectanglePath( x + lineWidth, y + lineWidth, width - (lineWidth * 2), height - (lineWidth * 2),
+			arcTopLeft - lineWidth, arcTopRight - lineWidth, arcBottomLeft - lineWidth, arcBottomRight - lineWidth ), false );
+		return path;
+	}
+
+	/**
+	 * Creates a filled rounded rectangle shape and allows specifying the radius or each corner.
+	 */
+	public static Shape createRoundRectanglePath( float x, float y, float width, float height,
+		float arcTopLeft, float arcTopRight, float arcBottomLeft, float arcBottomRight )
+	{
+		if( arcTopLeft <= 0 && arcTopRight <= 0 && arcBottomLeft <= 0 && arcBottomRight <= 0 )
 			return new Rectangle2D.Float( x, y, width, height );
 
+		if( arcTopLeft < 0 )
+			arcTopLeft = 0;
+		if( arcTopRight < 0 )
+			arcTopRight = 0;
+		if( arcBottomLeft < 0 )
+			arcBottomLeft = 0;
+		if( arcBottomRight < 0 )
+			arcBottomRight = 0;
+
 		float x2 = x + width;
 		float y2 = y + height;
 
 		Path2D rect = new Path2D.Float();
-		rect.moveTo( x2 - arc, y );
-		rect.quadTo( x2, y, x2, y + arc );
-		rect.lineTo( x2, y2 - arc );
-		rect.quadTo( x2, y2, x2 - arc, y2 );
-		rect.lineTo( x + arc, y2 );
-		rect.quadTo( x, y2, x, y2 - arc );
-		rect.lineTo( x, y + arc );
-		rect.quadTo( x, y, x + arc, y );
+		rect.moveTo( x2 - arcTopRight, y );
+		rect.quadTo( x2, y, x2, y + arcTopRight );
+		rect.lineTo( x2, y2 - arcBottomRight );
+		rect.quadTo( x2, y2, x2 - arcBottomRight, y2 );
+		rect.lineTo( x + arcBottomLeft, y2 );
+		rect.quadTo( x, y2, x, y2 - arcBottomLeft );
+		rect.lineTo( x, y + arcTopLeft );
+		rect.quadTo( x, y, x + arcTopLeft, y );
 		rect.closePath();
 
 		return rect;
@@ -195,6 +256,22 @@ public class FlatUIUtils
 	}
 
 	/**
+	 * Draws the given string at the specified location using text properties
+	 * and anti-aliasing hints from the provided component.
+	 *
+	 * Use this method instead of Graphics.drawString() for correct anti-aliasing.
+	 *
+	 * Replacement for SwingUtilities2.drawString()
+	 */
+	public static void drawString( JComponent c, Graphics g, String text, int x, int y ) {
+		JavaCompatibility.drawStringUnderlineCharAt( c, g, text, -1, x, y );
+	}
+
+	/**
+	 * Draws the given string at the specified location underlining the specified
+	 * character. The provided component is used to query text properties and
+	 * anti-aliasing hints.
+	 *
 	 * Replacement for SwingUtilities2.drawStringUnderlineCharAt()
 	 */
 	public static void drawStringUnderlineCharAt( JComponent c, Graphics g,
@@ -203,15 +280,23 @@ public class FlatUIUtils
 		JavaCompatibility.drawStringUnderlineCharAt( c, g, text, underlinedIndex, x, y );
 	}
 
+	public static boolean hasOpaqueBeenExplicitlySet( JComponent c ) {
+		boolean oldOpaque = c.isOpaque();
+		LookAndFeel.installProperty( c, "opaque", !oldOpaque );
+		boolean explicitlySet = c.isOpaque() == oldOpaque;
+		LookAndFeel.installProperty( c, "opaque", oldOpaque );
+		return explicitlySet;
+	}
+
 	//---- class HoverListener ------------------------------------------------
 
 	public static class HoverListener
 		extends MouseAdapter
 	{
-		private final JComponent repaintComponent;
+		private final Component repaintComponent;
 		private final Consumer<Boolean> hoverChanged;
 
-		public HoverListener( JComponent repaintComponent, Consumer<Boolean> hoverChanged ) {
+		public HoverListener( Component repaintComponent, Consumer<Boolean> hoverChanged ) {
 			this.repaintComponent = repaintComponent;
 			this.hoverChanged = hoverChanged;
 		}
@@ -233,4 +318,26 @@ public class FlatUIUtils
 				repaintComponent.repaint();
 		}
 	}
+
+	//---- class RepaintFocusListener -----------------------------------------
+
+	public static class RepaintFocusListener
+		implements FocusListener
+	{
+		private final Component repaintComponent;
+
+		public RepaintFocusListener( Component repaintComponent ) {
+			this.repaintComponent = repaintComponent;
+		}
+
+		@Override
+		public void focusGained( FocusEvent e ) {
+			repaintComponent.repaint();
+		}
+
+		@Override
+		public void focusLost( FocusEvent e ) {
+			repaintComponent.repaint();
+		}
+	}
 }

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

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.util;
+
+import java.awt.Color;
+
+/**
+ * Functions that modify colors.
+ *
+ * @author Karl Tauber
+ */
+public class ColorFunctions
+{
+	public static Color applyFunctions( Color color, ColorFunction[] functions ) {
+		float[] hsl = HSLColor.fromRGB( color );
+		float alpha = color.getAlpha() / 255f;
+
+		for( ColorFunction function : functions )
+			function.apply( hsl );
+
+		return HSLColor.toRGB( hsl, alpha );
+	}
+
+	private static float clamp( float value ) {
+		return (value < 0)
+			? 0
+			: ((value > 100)
+				? 100
+				: value);
+	}
+
+	//---- interface ColorFunction --------------------------------------------
+
+	public interface ColorFunction {
+		void apply( float[] hsl );
+	}
+
+	//---- class Lighten ------------------------------------------------------
+
+	/**
+	 * Increase the lightness of a color in the HSL color space by an absolute
+	 * or relative amount.
+	 */
+	public static class Lighten
+		implements ColorFunction
+	{
+		private final float amount;
+		private final boolean relative;
+		private final boolean autoInverse;
+
+		public Lighten( float amount, boolean relative, boolean autoInverse ) {
+			this.amount = amount;
+			this.relative = relative;
+			this.autoInverse = autoInverse;
+		}
+
+		@Override
+		public void apply( float[] hsl ) {
+			float amount2 = autoInverse && shouldInverse( hsl ) ? -amount : amount;
+			hsl[2] = clamp( relative
+				? (hsl[2] * ((100 + amount2) / 100))
+				: (hsl[2] + amount2) );
+		}
+
+		protected boolean shouldInverse( float[] hsl ) {
+			return hsl[2] >= 50;
+		}
+	}
+
+	//---- class Darken -------------------------------------------------------
+
+	/**
+	 * Decrease the lightness of a color in the HSL color space by an absolute
+	 * or relative amount.
+	 */
+	public static class Darken
+		extends Lighten
+	{
+		public Darken( float amount, boolean relative, boolean autoInverse ) {
+			super( -amount, relative, autoInverse );
+		}
+
+		@Override
+		protected boolean shouldInverse( float[] hsl ) {
+			return hsl[2] < 50;
+		}
+	}
+}

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

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.util;
+
+import java.awt.Color;
+import javax.swing.plaf.ColorUIResource;
+import com.formdev.flatlaf.util.ColorFunctions.ColorFunction;
+
+/**
+ * A (red) color that acts as a placeholder in UI defaults.
+ * The actual color is derived from another color,
+ * which is modified by the given color functions.
+ *
+ * @author Karl Tauber
+ */
+public class DerivedColor
+	extends ColorUIResource
+{
+	private final ColorFunction[] functions;
+
+	public DerivedColor( ColorFunction... functions ) {
+		super( Color.red );
+		this.functions = functions;
+	}
+
+	public Color derive( Color baseColor ) {
+		return ColorFunctions.applyFunctions( baseColor, functions );
+	}
+}

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

@@ -0,0 +1,432 @@
+/*
+ * From http://tips4java.wordpress.com/2009/07/05/hsl-color/
+ *
+ * License note on http://tips4java.wordpress.com/about/
+ *   "You are free to use and/or modify any or all code posted on the
+ *    Java Tips Weblog without restriction. A credit in the code comments
+ *    would be nice, but not in any way mandatory."
+ */
+
+package com.formdev.flatlaf.util;
+
+import java.awt.Color;
+
+/**
+ *  The HSLColor class provides methods to manipulate HSL (Hue, Saturation
+ *  Luminance) values to create a corresponding Color object using the RGB
+ *  ColorSpace.
+ *
+ *  The HUE is the color, the Saturation is the purity of the color (with
+ *  respect to grey) and Luminance is the brightness of the color (with respect
+ *  to black and white)
+ *
+ *  The Hue is specified as an angel between 0 - 360 degrees where red is 0,
+ *  green is 120 and blue is 240. In between you have the colors of the rainbow.
+ *  Saturation is specified as a percentage between 0 - 100 where 100 is fully
+ *  saturated and 0 approaches gray. Luminance is specified as a percentage
+ *  between 0 - 100 where 0 is black and 100 is white.
+ *
+ *  In particular the HSL color space makes it easier change the Tone or Shade
+ *  of a color by adjusting the luminance value.
+ */
+public class HSLColor
+{
+	private final Color rgb;
+	private final float[] hsl;
+	private final float alpha;
+
+	/**
+	 *  Create a HSLColor object using an RGB Color object.
+	 *
+	 *  @param rgb the RGB Color object
+	 */
+	public HSLColor(Color rgb)
+	{
+		this.rgb = rgb;
+		hsl = fromRGB( rgb );
+		alpha = rgb.getAlpha() / 255.0f;
+	}
+
+	/**
+	 *  Create a HSLColor object using individual HSL values and a default
+	 * alpha value of 1.0.
+	 *
+	 *  @param h is the Hue value in degrees between 0 - 360
+	 *  @param s is the Saturation percentage between 0 - 100
+	 *  @param l is the Lumanance percentage between 0 - 100
+	 */
+	public HSLColor(float h, float s, float l)
+	{
+		this(h, s, l, 1.0f);
+	}
+
+	/**
+	 *  Create a HSLColor object using individual HSL values.
+	 *
+	 *  @param h     the Hue value in degrees between 0 - 360
+	 *  @param s     the Saturation percentage between 0 - 100
+	 *  @param l     the Lumanance percentage between 0 - 100
+	 *  @param alpha the alpha value between 0 - 1
+	 */
+	public HSLColor(float h, float s, float l, float alpha)
+	{
+		hsl = new float[] {h, s, l};
+		this.alpha = alpha;
+		rgb = toRGB(hsl, alpha);
+	}
+
+	/**
+	 *  Create a HSLColor object using an an array containing the
+	 *  individual HSL values and with a default alpha value of 1.
+	 *
+	 *  @param hsl  array containing HSL values
+	 */
+	public HSLColor(float[] hsl)
+	{
+		this(hsl, 1.0f);
+	}
+
+	/**
+	 *  Create a HSLColor object using an an array containing the
+	 *  individual HSL values.
+	 *
+	 *  @param hsl  array containing HSL values
+	 *  @param alpha the alpha value between 0 - 1
+	 */
+	public HSLColor(float[] hsl, float alpha)
+	{
+		this.hsl = hsl;
+		this.alpha = alpha;
+		rgb = toRGB(hsl, alpha);
+	}
+
+	/**
+	 *  Create a RGB Color object based on this HSLColor with a different
+	 *  Hue value. The degrees specified is an absolute value.
+	 *
+	 *  @param degrees - the Hue value between 0 - 360
+	 *  @return the RGB Color object
+	 */
+	public Color adjustHue(float degrees)
+	{
+		return toRGB(degrees, hsl[1], hsl[2], alpha);
+	}
+
+	/**
+	 *  Create a RGB Color object based on this HSLColor with a different
+	 *  Luminance value. The percent specified is an absolute value.
+	 *
+	 *  @param percent - the Luminance value between 0 - 100
+	 *  @return the RGB Color object
+	 */
+	public Color adjustLuminance(float percent)
+	{
+		return toRGB(hsl[0], hsl[1], percent, alpha);
+	}
+
+	/**
+	 *  Create a RGB Color object based on this HSLColor with a different
+	 *  Saturation value. The percent specified is an absolute value.
+	 *
+	 *  @param percent - the Saturation value between 0 - 100
+	 *  @return the RGB Color object
+	 */
+	public Color adjustSaturation(float percent)
+	{
+		return toRGB(hsl[0], percent, hsl[2], alpha);
+	}
+
+	/**
+	 *  Create a RGB Color object based on this HSLColor with a different
+	 *  Shade. Changing the shade will return a darker color. The percent
+	 *  specified is a relative value.
+	 *
+	 *  @param percent - the value between 0 - 100
+	 *  @return the RGB Color object
+	 */
+	public Color adjustShade(float percent)
+	{
+		float multiplier = (100.0f - percent) / 100.0f;
+		float l = Math.max(0.0f, hsl[2] * multiplier);
+
+		return toRGB(hsl[0], hsl[1], l, alpha);
+	}
+
+	/**
+	 *  Create a RGB Color object based on this HSLColor with a different
+	 *  Tone. Changing the tone will return a lighter color. The percent
+	 *  specified is a relative value.
+	 *
+	 *  @param percent - the value between 0 - 100
+	 *  @return the RGB Color object
+	 */
+	public Color adjustTone(float percent)
+	{
+		float multiplier = (100.0f + percent) / 100.0f;
+		float l = Math.min(100.0f, hsl[2] * multiplier);
+
+		return toRGB(hsl[0], hsl[1], l, alpha);
+	}
+
+	/**
+	 *  Get the Alpha value.
+	 *
+	 *  @return the Alpha value.
+	 */
+	public float getAlpha()
+	{
+		return alpha;
+	}
+
+	/**
+	 *  Create a RGB Color object that is the complementary color of this
+	 *  HSLColor. This is a convenience method. The complementary color is
+	 *  determined by adding 180 degrees to the Hue value.
+	 *  @return the RGB Color object
+	 */
+	public Color getComplementary()
+	{
+		float hue = (hsl[0] + 180.0f) % 360.0f;
+		return toRGB(hue, hsl[1], hsl[2]);
+	}
+
+	/**
+	 *  Get the Hue value.
+	 *
+	 *  @return the Hue value.
+	 */
+	public float getHue()
+	{
+		return hsl[0];
+	}
+
+	/**
+	 *  Get the HSL values.
+	 *
+	 *  @return the HSL values.
+	 */
+	public float[] getHSL()
+	{
+		return hsl;
+	}
+
+	/**
+	 *  Get the Luminance value.
+	 *
+	 *  @return the Luminance value.
+	 */
+	public float getLuminance()
+	{
+		return hsl[2];
+	}
+
+	/**
+	 *  Get the RGB Color object represented by this HDLColor.
+	 *
+	 *  @return the RGB Color object.
+	 */
+	public Color getRGB()
+	{
+		return rgb;
+	}
+
+	/**
+	 *  Get the Saturation value.
+	 *
+	 *  @return the Saturation value.
+	 */
+	public float getSaturation()
+	{
+		return hsl[1];
+	}
+
+	@Override
+	public String toString()
+	{
+		String toString =
+			"HSLColor[h=" + hsl[0] +
+			",s=" + hsl[1] +
+			",l=" + hsl[2] +
+			",alpha=" + alpha + "]";
+
+		return toString;
+	}
+
+	/**
+	 *  Convert a RGB Color to it corresponding HSL values.
+	 *
+	 *  @return an array containing the 3 HSL values.
+	 */
+	public static float[] fromRGB(Color color)
+	{
+		//  Get RGB values in the range 0 - 1
+
+		float[] rgb = color.getRGBColorComponents( null );
+		float r = rgb[0];
+		float g = rgb[1];
+		float b = rgb[2];
+
+		//	Minimum and Maximum RGB values are used in the HSL calculations
+
+		float min = Math.min(r, Math.min(g, b));
+		float max = Math.max(r, Math.max(g, b));
+
+		//  Calculate the Hue
+
+		float h = 0;
+
+		if (max == min)
+			h = 0;
+		else if (max == r)
+			h = ((60 * (g - b) / (max - min)) + 360) % 360;
+		else if (max == g)
+			h = (60 * (b - r) / (max - min)) + 120;
+		else if (max == b)
+			h = (60 * (r - g) / (max - min)) + 240;
+
+		//  Calculate the Luminance
+
+		float l = (max + min) / 2;
+//		System.out.println(max + " : " + min + " : " + l);
+
+		//  Calculate the Saturation
+
+		float s = 0;
+
+		if (max == min)
+			s = 0;
+		else if (l <= .5f)
+			s = (max - min) / (max + min);
+		else
+			s = (max - min) / (2 - max - min);
+
+//		System.out.println(new HSLColor( new float[] {h, s * 100, l * 100} ));
+		return new float[] {h, s * 100, l * 100};
+	}
+
+	/**
+	 *  Convert HSL values to a RGB Color with a default alpha value of 1.
+	 *  H (Hue) is specified as degrees in the range 0 - 360.
+	 *  S (Saturation) is specified as a percentage in the range 1 - 100.
+	 *  L (Lumanance) is specified as a percentage in the range 1 - 100.
+	 *
+	 *  @param hsl an array containing the 3 HSL values
+	 *
+	 *  @returns the RGB Color object
+	 */
+	public static Color toRGB(float[] hsl)
+	{
+		return toRGB(hsl, 1.0f);
+	}
+
+	/**
+	 *  Convert HSL values to a RGB Color.
+	 *  H (Hue) is specified as degrees in the range 0 - 360.
+	 *  S (Saturation) is specified as a percentage in the range 1 - 100.
+	 *  L (Lumanance) is specified as a percentage in the range 1 - 100.
+	 *
+	 *  @param hsl    an array containing the 3 HSL values
+	 *  @param alpha  the alpha value between 0 - 1
+	 *
+	 *  @returns the RGB Color object
+	 */
+	public static Color toRGB(float[] hsl, float alpha)
+	{
+		return toRGB(hsl[0], hsl[1], hsl[2], alpha);
+	}
+
+	/**
+	 *  Convert HSL values to a RGB Color with a default alpha value of 1.
+	 *
+	 *  @param h Hue is specified as degrees in the range 0 - 360.
+	 *  @param s Saturation is specified as a percentage in the range 1 - 100.
+	 *  @param l Lumanance is specified as a percentage in the range 1 - 100.
+	 *
+	 *  @returns the RGB Color object
+	 */
+	public static Color toRGB(float h, float s, float l)
+	{
+		return toRGB(h, s, l, 1.0f);
+	}
+
+	/**
+	 *  Convert HSL values to a RGB Color.
+	 *
+	 *  @param h Hue is specified as degrees in the range 0 - 360.
+	 *  @param s Saturation is specified as a percentage in the range 1 - 100.
+	 *  @param l Lumanance is specified as a percentage in the range 1 - 100.
+	 *  @param alpha  the alpha value between 0 - 1
+	 *
+	 *  @returns the RGB Color object
+	 */
+	public static Color toRGB(float h, float s, float l, float alpha)
+	{
+		if (s <0.0f || s > 100.0f)
+		{
+			String message = "Color parameter outside of expected range - Saturation";
+			throw new IllegalArgumentException( message );
+		}
+
+		if (l <0.0f || l > 100.0f)
+		{
+			String message = "Color parameter outside of expected range - Luminance";
+			throw new IllegalArgumentException( message );
+		}
+
+		if (alpha <0.0f || alpha > 1.0f)
+		{
+			String message = "Color parameter outside of expected range - Alpha";
+			throw new IllegalArgumentException( message );
+		}
+
+		//  Formula needs all values between 0 - 1.
+
+		h = h % 360.0f;
+		h /= 360f;
+		s /= 100f;
+		l /= 100f;
+
+		float q = 0;
+
+		if (l < 0.5)
+			q = l * (1 + s);
+		else
+			q = (l + s) - (s * l);
+
+		float p = 2 * l - q;
+
+		float r = Math.max(0, HueToRGB(p, q, h + (1.0f / 3.0f)));
+		float g = Math.max(0, HueToRGB(p, q, h));
+		float b = Math.max(0, HueToRGB(p, q, h - (1.0f / 3.0f)));
+
+		r = Math.min(r, 1.0f);
+		g = Math.min(g, 1.0f);
+		b = Math.min(b, 1.0f);
+
+		return new Color(r, g, b, alpha);
+	}
+
+	private static float HueToRGB(float p, float q, float h)
+	{
+		if (h < 0) h += 1;
+
+		if (h > 1 ) h -= 1;
+
+		if (6 * h < 1)
+		{
+			return p + ((q - p) * 6 * h);
+		}
+
+		if (2 * h < 1 )
+		{
+			return  q;
+		}
+
+		if (3 * h < 2)
+		{
+			return p + ( (q - p) * 6 * ((2.0f / 3.0f) - h) );
+		}
+
+   		return p;
+	}
+}

flatlaf-core/src/main/module-info/module-info.java

@@ -24,4 +24,6 @@ module com.formdev.flatlaf {
 	exports com.formdev.flatlaf.icons;
 	exports com.formdev.flatlaf.ui;
 	exports com.formdev.flatlaf.util;
+
+	uses com.formdev.flatlaf.FlatDefaultsAddon;
 }

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

@@ -31,6 +31,10 @@
 @cellFocusColor=000000
 @icon=adadad
 
+# Button
+@buttonHoverBackground=lighten(3%,autoInverse)
+@buttonPressedBackground=lighten(6%,autoInverse)
+
 
 #---- globals ----
 
@@ -63,8 +67,8 @@ window=@background
 #---- Button ----
 
 Button.background=4c5052
-Button.hoverBackground=525658
-Button.pressedBackground=5c6164
+Button.hoverBackground=@buttonHoverBackground
+Button.pressedBackground=@buttonPressedBackground
 
 Button.borderColor=5e6060
 Button.disabledBorderColor=5e6060
@@ -73,8 +77,8 @@ Button.hoverBorderColor=@@Button.focusedBorderColor
 
 Button.default.background=365880
 Button.default.foreground=bbbbbb
-Button.default.hoverBackground=3d6185
-Button.default.pressedBackground=43688c
+Button.default.hoverBackground=@buttonHoverBackground
+Button.default.pressedBackground=@buttonPressedBackground
 Button.default.borderColor=4c708c
 Button.default.hoverBorderColor=537699
 Button.default.focusedBorderColor=537699
@@ -95,8 +99,8 @@ CheckBox.icon.hoverBorderColor=@@CheckBox.icon.focusedBorderColor
 CheckBox.icon.selectedFocusedBorderColor=466D94
 CheckBox.icon.background=43494A
 CheckBox.icon.disabledBackground=@background
-CheckBox.icon.hoverBackground=4c5052
-CheckBox.icon.pressedBackground=@@Button.pressedBackground
+CheckBox.icon.hoverBackground=@buttonHoverBackground
+CheckBox.icon.pressedBackground=@buttonPressedBackground
 CheckBox.icon.selectedBackground=43494A
 CheckBox.icon.checkmarkColor=A7A7A7
 CheckBox.icon.disabledCheckmarkColor=606060
@@ -227,7 +231,8 @@ ToggleButton.toolbar.selectedBackground=5c6164
 
 #---- ToolTip ----
 
-ToolTip.background=4b4d4d
+ToolTip.border=4,6,4,6
+ToolTip.background=1e2123
 
 
 #---- Tree ----

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

@@ -77,6 +77,7 @@ Button.default.borderWidth=1
 
 CheckBox.border=com.formdev.flatlaf.ui.FlatMarginBorder
 CheckBox.icon=com.formdev.flatlaf.icons.FlatCheckBoxIcon
+CheckBox.arc=2
 CheckBox.margin=2,2,2,2
 CheckBox.iconTextGap=4
 CheckBox.rollover=true
@@ -212,7 +213,7 @@ OptionPane.maxCharactersPerLine=80
 OptionPane.iconMessageGap=16
 OptionPane.messagePadding=3
 OptionPane.buttonPadding=8
-OptionPane.buttonMinimumWidth=72
+OptionPane.buttonMinimumWidth={scaledNumber}72
 OptionPane.sameSizeButtons=true
 OptionPane.setButtonMargin=false
 OptionPane.buttonOrientation=4
@@ -277,6 +278,7 @@ ScrollBar.width=10
 
 ScrollPane.border=com.formdev.flatlaf.ui.FlatBorder
 ScrollPane.background=@@ScrollBar.track
+ScrollPane.fillUpperCorner=true
 
 
 #---- Separator ----
@@ -307,12 +309,12 @@ Spinner.editorBorderPainted=false
 
 #---- SplitPane ----
 
-SplitPane.dividerSize=5
+SplitPane.dividerSize={integer}5
 SplitPane.continuousLayout=true
 SplitPane.border=null
 SplitPane.centerOneTouchButtons=true
-SplitPane.oneTouchButtonSize=6
-SplitPane.oneTouchButtonOffset=2
+SplitPane.oneTouchButtonSize={scaledNumber}6
+SplitPane.oneTouchButtonOffset={scaledNumber}2
 
 SplitPaneDivider.border=null
 SplitPaneDivider.oneTouchArrowColor=@@ComboBox.buttonArrowColor
@@ -409,7 +411,10 @@ ToolBar.separatorColor=@@Separator.foreground
 
 #---- ToolTip ----
 
-ToolTip.border=2,6,2,6,@@Component.borderColor
+ToolTip.border=4,6,4,6,@@Component.borderColor
+ToolTip.borderInactive=null
+ToolTip.backgroundInactive=@@ToolTip.background
+ToolTip.foregroundInactive=@disabledText
 
 
 #---- Tree ----

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

@@ -31,6 +31,10 @@
 @cellFocusColor=000000
 @icon=afafaf
 
+# Button
+@buttonHoverBackground=darken(3%,autoInverse)
+@buttonPressedBackground=darken(10%,autoInverse)
+
 
 #---- globals ----
 
@@ -64,8 +68,8 @@ window=@background
 
 Button.background=ffffff
 Button.focusedBackground=e3f1fa
-Button.hoverBackground=f8f8f8
-Button.pressedBackground=dfdfdf
+Button.hoverBackground=@buttonHoverBackground
+Button.pressedBackground=@buttonPressedBackground
 
 Button.borderColor=bfbfbf
 Button.disabledBorderColor=cfcfcf
@@ -75,8 +79,8 @@ Button.hoverBorderColor=@@Button.focusedBorderColor
 Button.default.background=@@Button.background
 Button.default.foreground=@foreground
 Button.default.focusedBackground=@@Button.focusedBackground
-Button.default.hoverBackground=@@Button.hoverBackground
-Button.default.pressedBackground=@@Button.pressedBackground
+Button.default.hoverBackground=@buttonHoverBackground
+Button.default.pressedBackground=@buttonPressedBackground
 Button.default.borderColor=4D89C9
 Button.default.hoverBorderColor=@@Button.hoverBorderColor
 Button.default.focusedBorderColor=@@Button.focusedBorderColor
@@ -97,8 +101,8 @@ CheckBox.icon.hoverBorderColor=@@CheckBox.icon.focusedBorderColor
 CheckBox.icon.background=FFFFFF
 CheckBox.icon.disabledBackground=@background
 CheckBox.icon.focusedBackground=@@Button.focusedBackground
-CheckBox.icon.hoverBackground=@@Button.hoverBackground
-CheckBox.icon.pressedBackground=@@Button.pressedBackground
+CheckBox.icon.hoverBackground=@buttonHoverBackground
+CheckBox.icon.pressedBackground=@buttonPressedBackground
 CheckBox.icon.selectedBackground=FFFFFF
 CheckBox.icon.checkmarkColor=4D89C9
 CheckBox.icon.disabledCheckmarkColor=ABABAB
@@ -234,7 +238,7 @@ ToggleButton.toolbar.selectedBackground=cfcfcf
 
 #---- ToolTip ----
 
-ToolTip.background=f7f7f7
+ToolTip.background=fafafa
 
 
 #---- Tree ----

flatlaf-demo/build.gradle.kts

@@ -18,10 +18,7 @@ version = rootProject.version
 
 plugins {
 	`java-library`
-}
-
-repositories {
-	jcenter()
+	id( "com.jfrog.bintray" ) version "1.8.4"
 }
 
 dependencies {
@@ -38,6 +35,8 @@ java {
 
 tasks {
 	jar {
+		dependsOn( ":flatlaf-core:jar" )
+
 		manifest {
 			attributes( "Main-Class" to "com.formdev.flatlaf.demo.FlatLafDemo" )
 		}
@@ -50,3 +49,23 @@ tasks {
 		} )
 	}
 }
+
+bintray {
+	user = System.getenv( "BINTRAY_USER" ) ?: System.getProperty( "bintray.user" )
+	key = System.getenv( "BINTRAY_KEY" ) ?: System.getProperty( "bintray.key" )
+
+	setConfigurations( "archives" )
+
+	with( pkg ) {
+		repo = "flatlaf"
+		name = "flatlaf-demo"
+		setLicenses( "Apache-2.0" )
+		vcsUrl = "https://github.com/JFormDesigner/FlatLaf"
+
+		with( version ) {
+			name = project.version.toString()
+		}
+
+		publish = true
+	}
+}

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/DemoFrame.java

@@ -205,18 +205,37 @@ class DemoFrame
 		//======== toolBar1 ========
 		{
 			toolBar1.setMargin(new Insets(3, 3, 3, 3));
+
+			//---- backButton ----
+			backButton.setToolTipText("Back");
 			toolBar1.add(backButton);
+
+			//---- forwardButton ----
+			forwardButton.setToolTipText("Forward");
 			toolBar1.add(forwardButton);
 			toolBar1.addSeparator();
+
+			//---- cutButton ----
+			cutButton.setToolTipText("Cut");
 			toolBar1.add(cutButton);
+
+			//---- copyButton ----
+			copyButton.setToolTipText("Copy");
 			toolBar1.add(copyButton);
+
+			//---- pasteButton ----
+			pasteButton.setToolTipText("Paste");
 			toolBar1.add(pasteButton);
 			toolBar1.addSeparator();
+
+			//---- refreshButton ----
+			refreshButton.setToolTipText("Refresh");
 			toolBar1.add(refreshButton);
 			toolBar1.addSeparator();
 
 			//---- showToggleButton ----
 			showToggleButton.setSelected(true);
+			showToggleButton.setToolTipText("Show Details");
 			toolBar1.add(showToggleButton);
 		}
 		contentPane.add(toolBar1, BorderLayout.NORTH);

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/DemoFrame.jfd

@@ -17,27 +17,33 @@ new FormModel {
 				"margin": new java.awt.Insets( 3, 3, 3, 3 )
 				add( new FormComponent( "javax.swing.JButton" ) {
 					name: "backButton"
+					"toolTipText": "Back"
 				} )
 				add( new FormComponent( "javax.swing.JButton" ) {
 					name: "forwardButton"
+					"toolTipText": "Forward"
 				} )
 				add( new FormComponent( "javax.swing.JToolBar$Separator" ) {
 					name: "separator5"
 				} )
 				add( new FormComponent( "javax.swing.JButton" ) {
 					name: "cutButton"
+					"toolTipText": "Cut"
 				} )
 				add( new FormComponent( "javax.swing.JButton" ) {
 					name: "copyButton"
+					"toolTipText": "Copy"
 				} )
 				add( new FormComponent( "javax.swing.JButton" ) {
 					name: "pasteButton"
+					"toolTipText": "Paste"
 				} )
 				add( new FormComponent( "javax.swing.JToolBar$Separator" ) {
 					name: "separator6"
 				} )
 				add( new FormComponent( "javax.swing.JButton" ) {
 					name: "refreshButton"
+					"toolTipText": "Refresh"
 				} )
 				add( new FormComponent( "javax.swing.JToolBar$Separator" ) {
 					name: "separator7"
@@ -45,6 +51,7 @@ new FormModel {
 				add( new FormComponent( "javax.swing.JToggleButton" ) {
 					name: "showToggleButton"
 					"selected": true
+					"toolTipText": "Show Details"
 				} )
 			}, new FormLayoutConstraints( class java.lang.String ) {
 				"value": "North"

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/FlatLafDemo.java

@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.demo;
 
 import java.util.prefs.Preferences;
+import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import com.formdev.flatlaf.FlatLightLaf;
 
@@ -32,29 +33,31 @@ public class FlatLafDemo
 	static Preferences prefs;
 
 	public static void main( String[] args ) {
-		prefs = Preferences.userRoot().node( PREFS_ROOT_PATH );
+		SwingUtilities.invokeLater( () -> {
+			prefs = Preferences.userRoot().node( PREFS_ROOT_PATH );
 
-		// set look and feel
-		try {
-			if( args.length > 0 )
-				UIManager.setLookAndFeel( args[0] );
-			else {
-				String lafClassName = prefs.get( KEY_LAF, FlatLightLaf.class.getName() );
-				UIManager.setLookAndFeel( lafClassName );
+			// set look and feel
+			try {
+				if( args.length > 0 )
+					UIManager.setLookAndFeel( args[0] );
+				else {
+					String lafClassName = prefs.get( KEY_LAF, FlatLightLaf.class.getName() );
+					UIManager.setLookAndFeel( lafClassName );
+				}
+			} catch( Exception ex ) {
+				ex.printStackTrace();
+
+				// fallback
+				FlatLightLaf.install();
 			}
-		} catch( Exception ex ) {
-			ex.printStackTrace();
 
-			// fallback
-			FlatLightLaf.install();
-		}
+			// create frame
+			DemoFrame frame = new DemoFrame();
 
-		// create frame
-		DemoFrame frame = new DemoFrame();
-
-		// show frame
-		frame.pack();
-		frame.setLocationRelativeTo( null );
-		frame.setVisible( true );
+			// show frame
+			frame.pack();
+			frame.setLocationRelativeTo( null );
+			frame.setVisible( true );
+		} );
 	}
 }

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/OptionPanePanel.java

@@ -201,7 +201,7 @@ class OptionPanePanel
 				//---- warningOptionPane ----
 				warningOptionPane.setMessageType(JOptionPane.WARNING_MESSAGE);
 				warningOptionPane.setOptionType(JOptionPane.OK_CANCEL_OPTION);
-				warningOptionPane.setMessage("Beware of the dog!");
+				warningOptionPane.setMessage("<html>I like <b>bold</b>,<br> and I like <i>italic</i>,<br> and I like to have<br> many lines.<br> Lots of lines.");
 				panel5.add(warningOptionPane, BorderLayout.CENTER);
 			}
 			panel9.add(panel5, "cell 1 4");

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/OptionPanePanel.jfd

@@ -143,7 +143,7 @@ new FormModel {
 						name: "warningOptionPane"
 						"messageType": 2
 						"optionType": 2
-						"message": "Beware of the dog!"
+						"message": "<html>I like <b>bold</b>,<br> and I like <i>italic</i>,<br> and I like to have<br> many lines.<br> Lots of lines."
 					}, new FormLayoutConstraints( class java.lang.String ) {
 						"value": "Center"
 					} )

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/ScaledSVGIcon.java

@@ -24,8 +24,9 @@ import java.awt.image.BufferedImage;
 import java.net.URISyntaxException;
 import java.net.URL;
 import javax.swing.ImageIcon;
+import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
-import com.formdev.flatlaf.FlatDarkLaf;
+import com.formdev.flatlaf.FlatLaf;
 import com.formdev.flatlaf.ui.FlatUIUtils;
 import com.formdev.flatlaf.util.UIScale;
 import com.kitfox.svg.app.beans.SVGIcon;
@@ -129,6 +130,7 @@ public class ScaledSVGIcon
 	}
 
 	private static void lafChanged() {
-		darkLaf = (UIManager.getLookAndFeel() instanceof FlatDarkLaf);
+		LookAndFeel lookAndFeel = UIManager.getLookAndFeel();
+		darkLaf = (lookAndFeel instanceof FlatLaf && ((FlatLaf)lookAndFeel).isDark());
 	}
 }

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/TabsPanel.java

@@ -4,6 +4,7 @@
 
 package com.formdev.flatlaf.demo;
 
+import static com.formdev.flatlaf.FlatClientProperties.TABBED_PANE_HAS_FULL_BORDER;
 import java.awt.*;
 import javax.swing.*;
 import javax.swing.border.*;
@@ -30,10 +31,10 @@ class TabsPanel
 
 	private void hasFullBorderChanged() {
 		Boolean hasFullBorder = hasFullBorderCheckBox.isSelected() ? true : null;
-		tabbedPane1.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
-		tabbedPane2.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
-		tabbedPane3.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
-		tabbedPane4.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
+		tabbedPane1.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane2.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane3.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane4.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
 	}
 
 	private void moreTabsChanged() {

flatlaf-extras/README.md

@@ -0,0 +1,13 @@
+FlatLaf Extras
+==============
+
+This sub-project provides some additional components and classes:
+
+- [TriStateCheckBox](src/main/java/com/formdev/flatlaf/extras/TriStateCheckBox.java):
+  A tri-state check box.
+
+
+Download
+--------
+
+Not yet available.

flatlaf-extras/build.gradle.kts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.
+ */
+
+version = rootProject.version
+
+plugins {
+	`java-library`
+}
+
+dependencies {
+	implementation( project( ":flatlaf-core" ) )
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}

flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/TriStateCheckBox.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.extras;
+
+import java.awt.event.ItemEvent;
+import javax.swing.JCheckBox;
+
+/**
+ * A tri-state check box.
+ *
+ * To display the third state, this component requires an LaF that supports painting
+ * the indeterminate state if client property {@code "JButton.selectedState"} has the
+ * value {@code "indeterminate"}.
+ *
+ * FlatLaf and Mac Aqua LaF support the third state.
+ *
+ * @author Karl Tauber
+ */
+public class TriStateCheckBox
+	extends JCheckBox
+{
+	public enum State { INDETERMINATE, SELECTED, UNSELECTED }
+
+	private State state;
+	private boolean thirdStateEnabled = true;
+
+	public TriStateCheckBox() {
+		this( null );
+	}
+
+	public TriStateCheckBox( String text ) {
+		this( text, State.INDETERMINATE );
+	}
+
+	public TriStateCheckBox( String text, State initialState ) {
+		super( text );
+
+		setModel( new ToggleButtonModel() {
+			@Override
+			public boolean isSelected() {
+				return state != State.UNSELECTED;
+			}
+
+			@Override
+			public void setSelected( boolean b ) {
+				switch( state ) {
+					case INDETERMINATE:			setState( State.SELECTED ); break;
+					case SELECTED:		setState( State.UNSELECTED ); break;
+					case UNSELECTED:	setState( thirdStateEnabled ? State.INDETERMINATE : State.SELECTED ); break;
+				}
+
+				fireStateChanged();
+				fireItemStateChanged( new ItemEvent( this, ItemEvent.ITEM_STATE_CHANGED, this,
+					isSelected() ? ItemEvent.SELECTED : ItemEvent.DESELECTED ) );
+			}
+		} );
+
+		setState( initialState );
+	}
+
+	public State getState() {
+		return state;
+	}
+
+	public void setState( State state ) {
+		if( this.state == state )
+			return;
+
+		State oldState = this.state;
+		this.state = state;
+
+		putClientProperty( "JButton.selectedState", state == State.INDETERMINATE ? "indeterminate" : null );
+
+		firePropertyChange( "state", oldState, state );
+		repaint();
+	}
+
+	public boolean isThirdStateEnabled() {
+		return thirdStateEnabled;
+	}
+
+	public void setThirdStateEnabled( boolean thirdStateEnabled ) {
+		this.thirdStateEnabled = thirdStateEnabled;
+
+		if( state == State.INDETERMINATE )
+			setState( State.UNSELECTED );
+	}
+
+	@Override
+	public void setSelected( boolean b ) {
+		setState( b ? State.SELECTED : State.UNSELECTED );
+	}
+}

flatlaf-jide-oss/README.md

@@ -0,0 +1,37 @@
+FlatLaf addon for JIDE Common Layer
+===================================
+
+This addon for FlatLaf adds support for **some**
+[JIDE Common Layer](https://github.com/jidesoft/jide-oss) components.
+
+Following JIDE Common Layer components are currently supported by this addon:
+
+- `JideTabbedPane`
+
+
+**Note**: We have currently no plans to support additional components. If you're
+a paid customer of JFormDesigner and need support for other components, email to
+JFormDesigner support and ask for it. Otherwise, try to implement it yourself
+and create a pull request.
+
+
+Download
+--------
+
+FlatLaf for JIDE Common Layer binaries are available on **JCenter** and **Maven
+Central**.
+
+If you use Maven or Gradle, add a dependency with following coordinates to your
+build script:
+
+    groupId:     com.formdev
+    artifactId:  flatlaf-jide-oss
+    version:     0.18
+
+Otherwise download `flatlaf-jide-oss-<version>.jar` here:
+
+[![Download](https://api.bintray.com/packages/jformdesigner/flatlaf/flatlaf-jide-oss/images/download.svg)](https://bintray.com/jformdesigner/flatlaf/flatlaf-jide-oss/_latestVersion)
+
+You also need `flatlaf-<version>.jar`, which you can download here:
+
+[![Download](https://api.bintray.com/packages/jformdesigner/flatlaf/flatlaf/images/download.svg)](https://bintray.com/jformdesigner/flatlaf/flatlaf/_latestVersion)

flatlaf-jide-oss/build.gradle.kts

@@ -0,0 +1,121 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.
+ */
+
+version = rootProject.version
+
+plugins {
+	`java-library`
+	`maven-publish`
+	id( "com.jfrog.bintray" ) version "1.8.4"
+}
+
+dependencies {
+	implementation( project( ":flatlaf-core" ) )
+	implementation( "com.jidesoft:jide-oss:3.6.18" )
+}
+
+java {
+	sourceCompatibility = JavaVersion.VERSION_1_8
+	targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+tasks {
+	assemble {
+		dependsOn(
+			"sourcesJar",
+			"javadocJar"
+		)
+	}
+
+	javadoc {
+		options {
+			this as StandardJavadocDocletOptions
+			tags = listOf( "uiDefault", "clientProperty" )
+		}
+		isFailOnError = false
+	}
+
+	register( "sourcesJar", Jar::class ) {
+		archiveClassifier.set( "sources" )
+
+		from( sourceSets.main.get().allJava )
+	}
+
+	register( "javadocJar", Jar::class ) {
+		archiveClassifier.set( "javadoc" )
+
+		from( javadoc )
+	}
+}
+
+publishing {
+	publications {
+		create<MavenPublication>( "maven" ) {
+			artifactId = "flatlaf-jide-oss"
+			groupId = "com.formdev"
+
+			from( components["java"] )
+
+			artifact( tasks["sourcesJar"] )
+			artifact( tasks["javadocJar"] )
+
+			pom {
+				name.set( "FlatLaf addon for JIDE Common Layer" )
+				description.set( "Flat Look and Feel addon for JIDE Common Layer" )
+				url.set( "https://github.com/JFormDesigner/FlatLaf" )
+
+				licenses {
+					license {
+						name.set( "The Apache License, Version 2.0" )
+						url.set( "http://www.apache.org/licenses/LICENSE-2.0.txt" )
+					}
+				}
+
+				developers {
+					developer {
+						name.set( "Karl Tauber" )
+						organization.set( "FormDev Software GmbH" )
+						organizationUrl.set( "https://www.formdev.com/" )
+					}
+				}
+
+				scm {
+					url.set( "https://github.com/JFormDesigner/FlatLaf" )
+				}
+			}
+		}
+	}
+}
+
+bintray {
+	user = System.getenv( "BINTRAY_USER" ) ?: System.getProperty( "bintray.user" )
+	key = System.getenv( "BINTRAY_KEY" ) ?: System.getProperty( "bintray.key" )
+
+	setPublications( "maven" )
+
+	with( pkg ) {
+		repo = "flatlaf"
+		name = "flatlaf-jide-oss"
+		setLicenses( "Apache-2.0" )
+		vcsUrl = "https://github.com/JFormDesigner/FlatLaf"
+
+		with( version ) {
+			name = project.version.toString()
+		}
+
+		publish = true
+	}
+}

flatlaf-jide-oss/src/main/java/com/formdev/flatlaf/jideoss/FlatJideOssDefaultsAddon.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.jideoss;
+
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+import javax.swing.UIDefaults;
+import com.formdev.flatlaf.FlatDefaultsAddon;
+import com.formdev.flatlaf.FlatLaf;
+import com.jidesoft.plaf.LookAndFeelFactory;
+import com.jidesoft.plaf.LookAndFeelFactory.UIDefaultsCustomizer;
+import com.jidesoft.plaf.LookAndFeelFactory.UIDefaultsInitializer;
+
+/**
+ * JIDE Common Layer addon for FlatLaf.
+ *
+ * @author Karl Tauber
+ */
+public class FlatJideOssDefaultsAddon
+	extends FlatDefaultsAddon
+{
+	/**
+	 * Finds JIDE Common Layer addon .properties file for the given LaF class
+	 * in the same package as this class.
+	 */
+	@Override
+	public InputStream getDefaults( Class<?> lafClass ) {
+		LookAndFeelFactory.registerDefaultInitializer( FlatLaf.class.getName(), FlatJideUIDefaultsCustomizer.class.getName() );
+		LookAndFeelFactory.registerDefaultCustomizer( FlatLaf.class.getName(), FlatJideUIDefaultsCustomizer.class.getName() );
+
+		Class<?> addonClass = this.getClass();
+		String propertiesName = "/" + addonClass.getPackage().getName().replace( '.', '/' )
+			+ '/' + lafClass.getSimpleName() + ".properties";
+		return addonClass.getResourceAsStream( propertiesName );
+	}
+
+	//---- class FlatJideUIDefaultsCustomizer ---------------------------------
+
+	/**
+	 * Because JIDE overwrites our UI defaults (from properties files) with its
+	 * own UI defaults, we have to first remember our UI defaults in the initializer
+	 * (invoked before JIDE overwrites UI defaults) and then restore them in the customizer.
+	 */
+	public static class FlatJideUIDefaultsCustomizer
+		implements UIDefaultsInitializer, UIDefaultsCustomizer
+	{
+		private static HashMap<Object, Object> jideDefaults;
+
+		@Override
+		public void initialize( UIDefaults defaults ) {
+			jideDefaults = new HashMap<>();
+
+			for( Map.Entry<Object, Object> e : defaults.entrySet() ) {
+				Object key = e.getKey();
+				if( key instanceof String && ((String)key).startsWith( "Jide" ) )
+					jideDefaults.put( key, e.getValue() );
+			}
+		}
+
+		@Override
+		public void customize( UIDefaults defaults ) {
+			if( jideDefaults != null ) {
+				defaults.putAll( jideDefaults );
+				jideDefaults = null;
+			}
+		}
+	}
+}

flatlaf-jide-oss/src/main/java/com/formdev/flatlaf/jideoss/ui/FlatJideTabbedPaneUI.java

@@ -0,0 +1,372 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.jideoss.ui;
+
+import static com.formdev.flatlaf.FlatClientProperties.TABBED_PANE_HAS_FULL_BORDER;
+import static com.formdev.flatlaf.FlatClientProperties.clientPropertyEquals;
+import static com.formdev.flatlaf.util.UIScale.scale;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Insets;
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.awt.geom.Path2D;
+import java.awt.geom.Rectangle2D;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import javax.swing.JComponent;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import com.formdev.flatlaf.FlatClientProperties;
+import com.formdev.flatlaf.ui.FlatUIUtils;
+import com.jidesoft.plaf.UIDefaultsLookup;
+import com.jidesoft.plaf.basic.BasicJideTabbedPaneUI;
+import com.jidesoft.swing.JideTabbedPane;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link com.jidesoft.swing.JideTabbedPane}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatJideTabbedPaneUI
+	extends BasicJideTabbedPaneUI
+{
+	protected Color underlineColor;
+	protected Color disabledUnderlineColor;
+	protected Color hoverColor;
+	protected Color focusColor;
+	protected Color contentAreaColor;
+
+	protected int tabHeight;
+	protected int tabSelectionHeight;
+	protected int contentSeparatorHeight;
+	protected boolean hasFullBorder;
+	protected boolean tabsOverlapBorder;
+
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatJideTabbedPaneUI();
+	}
+
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		_background = UIDefaultsLookup.getColor( "JideTabbedPane.background" );
+
+		underlineColor = UIManager.getColor( "TabbedPane.underlineColor" );
+		disabledUnderlineColor = UIManager.getColor( "TabbedPane.disabledUnderlineColor" );
+		hoverColor = UIManager.getColor( "TabbedPane.hoverColor" );
+		focusColor = UIManager.getColor( "TabbedPane.focusColor" );
+		contentAreaColor = UIManager.getColor( "TabbedPane.contentAreaColor" );
+
+		tabHeight = UIManager.getInt( "TabbedPane.tabHeight" );
+		tabSelectionHeight = UIManager.getInt( "TabbedPane.tabSelectionHeight" );
+		contentSeparatorHeight = UIManager.getInt( "TabbedPane.contentSeparatorHeight" );
+		hasFullBorder = UIManager.getBoolean( "TabbedPane.hasFullBorder" );
+		tabsOverlapBorder = UIManager.getBoolean( "TabbedPane.tabsOverlapBorder" );
+
+		// scale
+		_textIconGap = scale( _textIconGap );
+		tabHeight = scale( tabHeight );
+		tabSelectionHeight = scale( tabSelectionHeight );
+	}
+
+	@Override
+	protected void uninstallDefaults() {
+		super.uninstallDefaults();
+
+		underlineColor = null;
+		disabledUnderlineColor = null;
+		hoverColor = null;
+		focusColor = null;
+		contentAreaColor = null;
+	}
+
+	@Override
+	protected PropertyChangeListener createPropertyChangeListener() {
+		return new PropertyChangeHandler() {
+			@Override
+			public void propertyChange( PropertyChangeEvent e ) {
+				super.propertyChange( e );
+
+				String propertyName = e.getPropertyName();
+				if( JideTabbedPane.PROPERTY_SELECTED_INDEX.equals( propertyName ) ) {
+					repaintTab( (Integer) e.getOldValue() );
+					repaintTab( (Integer) e.getNewValue() );
+				} else if( FlatClientProperties.TABBED_PANE_HAS_FULL_BORDER.equals( propertyName ) ) {
+					_tabPane.revalidate();
+					_tabPane.repaint();
+				}
+			}
+		};
+	}
+
+	private void repaintTab( int tabIndex ) {
+		if( tabIndex < 0 || tabIndex >= _tabPane.getTabCount() )
+			return;
+
+		Rectangle r = getTabBounds( _tabPane, tabIndex );
+		if( r != null )
+			_tabPane.repaint( r );
+	}
+
+	@Override
+	protected MouseListener createMouseListener() {
+		return new RolloverMouseHandler();
+	}
+
+	@Override
+	protected MouseMotionListener createMouseMotionListener() {
+		return new RolloverMouseMotionHandler();
+	}
+
+	@Override
+	protected int calculateTabHeight( int tabPlacement, int tabIndex, FontMetrics metrics ) {
+		return Math.max( tabHeight, super.calculateTabHeight( tabPlacement, tabIndex, metrics ) );
+	}
+
+	@Override
+	protected int calculateTabWidth( int tabPlacement, int tabIndex, FontMetrics metrics ) {
+		return Math.max( tabHeight, super.calculateTabWidth( tabPlacement, tabIndex, metrics ) );
+	}
+
+	@Override
+	protected Insets getTabInsets( int tabPlacement, int tabIndex ) {
+		return scale( super.getTabInsets( tabPlacement, tabIndex ) );
+	}
+
+	@Override
+	protected Insets getSelectedTabPadInsets( int tabPlacement ) {
+		return scale( super.getSelectedTabPadInsets( tabPlacement ) );
+	}
+
+	@Override
+	protected Insets getTabAreaInsets( int tabPlacement ) {
+		return scale( super.getTabAreaInsets( tabPlacement ) );
+	}
+
+	@Override
+	protected int getTabShape() {
+		return JideTabbedPane.SHAPE_BOX;
+	}
+
+	/**
+	 * The content border insets are used to create a separator between tabs and content.
+	 * If client property JTabbedPane.hasFullBorder is true, then the content border insets
+	 * are also used for the border.
+	 */
+	@Override
+	protected Insets getContentBorderInsets( int tabPlacement ) {
+		return FlatUIUtils.addInsets( getContentBorderInsets0( tabPlacement ),
+			scale( super.getContentBorderInsets( tabPlacement ) ) );
+	}
+
+	private Insets getContentBorderInsets0( int tabPlacement ) {
+		boolean hasFullBorder = this.hasFullBorder || clientPropertyEquals( _tabPane, TABBED_PANE_HAS_FULL_BORDER, true );
+		int sh = scale( contentSeparatorHeight );
+		Insets insets = hasFullBorder ? new Insets( sh, sh, sh, sh ) : new Insets( sh, 0, 0, 0 );
+
+		Insets contentBorderInsets = new Insets( 0, 0, 0, 0 );
+		rotateInsets( insets, contentBorderInsets, tabPlacement );
+
+		return contentBorderInsets;
+	}
+
+	@Override
+	public void update( Graphics g, JComponent c ) {
+		FlatUIUtils.setRenderingHints( (Graphics2D) g );
+
+		super.update( g, c );
+	}
+
+	@Override
+	public void paint( Graphics g, JComponent c ) {
+		super.paint( g, c );
+
+		// must paint tab area after content border was painted
+		if( !scrollableTabLayoutEnabled() && _tabPane.getTabCount() > 0 )
+			paintTabArea( g, _tabPane.getTabPlacement(), _tabPane.getSelectedIndex(), c );
+	}
+
+	@Override
+	protected void paintTabBackground( Graphics g, int tabPlacement, int tabIndex,
+		int x, int y, int w, int h, boolean isSelected )
+	{
+		// paint tab background
+		boolean enabled = _tabPane.isEnabled();
+		g.setColor( enabled && _tabPane.isEnabledAt( tabIndex ) &&
+				(_indexMouseOver == tabIndex || (_closeButtons != null && ((JideTabbedPane.NoFocusButton)_closeButtons[tabIndex]).isMouseOver()))
+			? hoverColor
+			: (enabled && isSelected && _tabPane.hasFocus()
+				? focusColor
+				: _tabPane.getBackgroundAt( tabIndex )) );
+		g.fillRect( x, y, w, h );
+	}
+
+	@Override
+	protected void paintTabBorder( Graphics g, int tabPlacement, int tabIndex, int x, int y, int w, int h,
+		boolean isSelected )
+	{
+		if( isSelected )
+			paintTabSelection( g, tabPlacement, x, y, w, h );
+	}
+
+	protected void paintTabSelection( Graphics g, int tabPlacement,  int x, int y, int w, int h ) {
+		// increase clip bounds in scroll-tab-layout to paint over the separator line
+		Rectangle clipBounds = scrollableTabLayoutEnabled() ? g.getClipBounds() : null;
+		if( clipBounds != null ) {
+			Rectangle newClipBounds = new Rectangle( clipBounds );
+			int contentSeparatorHeight = scale( this.contentSeparatorHeight );
+			switch( tabPlacement ) {
+				case TOP:
+				default:
+					newClipBounds.height += contentSeparatorHeight;
+					break;
+
+				case BOTTOM:
+					newClipBounds.y -= contentSeparatorHeight;
+					newClipBounds.height += contentSeparatorHeight;
+					break;
+
+				case LEFT:
+					newClipBounds.width += contentSeparatorHeight;
+					break;
+
+				case RIGHT:
+					newClipBounds.x -= contentSeparatorHeight;
+					newClipBounds.width += contentSeparatorHeight;
+					break;
+			}
+			g.setClip( newClipBounds );
+		}
+
+		g.setColor( _tabPane.isEnabled() ? underlineColor : disabledUnderlineColor );
+
+		Insets contentInsets = getContentBorderInsets0( tabPlacement );
+
+		// paint underline selection
+		switch( tabPlacement ) {
+			case TOP:
+			default:
+				int sy = y + h + contentInsets.top - tabSelectionHeight;
+				g.fillRect( x, sy, w, tabSelectionHeight );
+				break;
+
+			case BOTTOM:
+				g.fillRect( x, y - contentInsets.bottom, w, tabSelectionHeight );
+				break;
+
+			case LEFT:
+				int sx = x + w + contentInsets.left - tabSelectionHeight;
+				g.fillRect( sx, y, tabSelectionHeight, h );
+				break;
+
+			case RIGHT:
+				g.fillRect( x - contentInsets.right, y, tabSelectionHeight, h );
+				break;
+		}
+
+		if( clipBounds != null )
+			g.setClip( clipBounds );
+	}
+
+	/**
+	 * Actually does the nearly the same as super.paintContentBorder() but
+	 *   - not invoking paintContentBorder*Edge() methods
+	 *   - repaint selection
+	 */
+	@Override
+	protected void paintContentBorder( Graphics g, int tabPlacement, int selectedIndex ) {
+		if( _tabPane.getTabCount() <= 0 )
+			return;
+
+		Insets insets = _tabPane.getInsets();
+		Insets tabAreaInsets = getTabAreaInsets( tabPlacement );
+
+		int x = insets.left;
+		int y = insets.top;
+		int w = _tabPane.getWidth() - insets.right - insets.left;
+		int h = _tabPane.getHeight() - insets.top - insets.bottom;
+
+		Dimension lsize = isTabLeadingComponentVisible() ? _tabLeadingComponent.getPreferredSize() : new Dimension();
+		Dimension tsize = isTabTrailingComponentVisible() ? _tabTrailingComponent.getPreferredSize() : new Dimension();
+
+		// remove tabs from bounds
+		switch( tabPlacement ) {
+			case LEFT:
+				x += Math.max( calculateTabAreaWidth( tabPlacement, _runCount, _maxTabWidth ),
+					Math.max( lsize.width, tsize.width ) );
+				if( tabsOverlapBorder )
+					x -= tabAreaInsets.right;
+				w -= (x - insets.left);
+				break;
+			case RIGHT:
+				w -= calculateTabAreaWidth( tabPlacement, _runCount, _maxTabWidth );
+				if( tabsOverlapBorder )
+					w += tabAreaInsets.left;
+				break;
+			case BOTTOM:
+				h -= calculateTabAreaHeight( tabPlacement, _runCount, _maxTabHeight );
+				if( tabsOverlapBorder )
+					h += tabAreaInsets.top;
+				break;
+			case TOP:
+			default:
+				y += Math.max( calculateTabAreaHeight( tabPlacement, _runCount, _maxTabHeight ),
+					Math.max( lsize.height, tsize.height ) );
+				if( tabsOverlapBorder )
+					y -= tabAreaInsets.bottom;
+				h -= (y - insets.top);
+		}
+
+		// compute insets for separator or full border
+		boolean hasFullBorder = this.hasFullBorder || clientPropertyEquals( _tabPane, TABBED_PANE_HAS_FULL_BORDER, true );
+		int sh = scale( contentSeparatorHeight * 100 ); // multiply by 100 because rotateInsets() does not use floats
+		Insets ci = new Insets( 0, 0, 0, 0 );
+		rotateInsets( hasFullBorder ? new Insets( sh, sh, sh, sh ) : new Insets( sh, 0, 0, 0 ), ci, tabPlacement );
+
+		// paint content area
+		g.setColor( contentAreaColor );
+		Path2D path = new Path2D.Float( Path2D.WIND_EVEN_ODD );
+		path.append( new Rectangle2D.Float( x, y, w, h ), false );
+		path.append( new Rectangle2D.Float( x + (ci.left / 100f), y + (ci.top / 100f),
+			w - (ci.left / 100f) - (ci.right / 100f), h - (ci.top / 100f) - (ci.bottom / 100f) ), false );
+		((Graphics2D)g).fill( path );
+
+		// repaint selection in scroll-tab-layout because it may be painted before
+		// the content border was painted (from BasicTabbedPaneUI$ScrollableTabPanel)
+		if( scrollableTabLayoutEnabled() && selectedIndex >= 0 && _tabScroller != null && _tabScroller.viewport != null ) {
+			Rectangle tabRect = getTabBounds( _tabPane, selectedIndex );
+
+			Shape oldClip = g.getClip();
+			g.setClip( _tabScroller.viewport.getBounds() );
+			paintTabSelection( g, tabPlacement, tabRect.x, tabRect.y, tabRect.width, tabRect.height );
+			g.setClip( oldClip );
+		}
+	}
+
+	@Override
+	protected void paintFocusIndicator( Graphics g, int tabPlacement, Rectangle[] rects, int tabIndex,
+		Rectangle iconRect, Rectangle textRect, boolean isSelected )
+	{
+	}
+}

flatlaf-jide-oss/src/main/resources/META-INF/services/com.formdev.flatlaf.FlatDefaultsAddon

@@ -0,0 +1 @@
+com.formdev.flatlaf.jideoss.FlatJideOssDefaultsAddon

flatlaf-jide-oss/src/main/resources/com/formdev/flatlaf/jideoss/FlatLaf.properties

@@ -0,0 +1,32 @@
+#
+# Copyright 2019 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
+#
+#     http://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.
+#
+
+#---- UI delegates ----
+
+JideTabbedPaneUI=com.formdev.flatlaf.jideoss.ui.FlatJideTabbedPaneUI
+
+
+#---- JideTabbedPane ----
+
+JideTabbedPane.background=@background
+JideTabbedPane.foreground=@foreground
+JideTabbedPane.tabAreaBackground=@background
+
+JideTabbedPane.tabInsets=@@TabbedPane.tabInsets
+JideTabbedPane.tabAreaInsets=@@TabbedPane.tabAreaInsets
+JideTabbedPane.contentBorderInsets=0,0,0,0
+JideTabbedPane.tabRunOverlay=@@TabbedPane.tabRunOverlay
+JideTabbedPane.shadow=@@TabbedPane.shadow

flatlaf-swingx/README.md

@@ -0,0 +1,43 @@
+FlatLaf addon for SwingX
+========================
+
+This addon for FlatLaf adds support for **some** widely used SwingX components.
+
+Many SwingX components that do not use UI delegates (e.g. `JXButton`, `JXLabel`,
+`JXList`, etc) work with FlatLaf without adaptation.
+
+Following SwingX components, which use UI delegates, are currently supported by
+this addon:
+
+- `JXBusyLabel`
+- `JXDatePicker`
+- `JXHeader`
+- `JXHyperlink`
+- `JXMonthView`
+- `JXTaskPaneContainer`
+- `JXTaskPane`
+
+![Flat Light SwingX Demo](../images/FlatLightSwingXTest.png)
+
+![Flat Dark SwingX Demo](../images/FlatDarkSwingXTest.png)
+
+
+Download
+--------
+
+FlatLaf for SwingX binaries are available on **JCenter** and **Maven Central**.
+
+If you use Maven or Gradle, add a dependency with following coordinates to your
+build script:
+
+    groupId:     com.formdev
+    artifactId:  flatlaf-swingx
+    version:     0.18
+
+Otherwise download `flatlaf-swingx-<version>.jar` here:
+
+[![Download](https://api.bintray.com/packages/jformdesigner/flatlaf/flatlaf-swingx/images/download.svg)](https://bintray.com/jformdesigner/flatlaf/flatlaf-swingx/_latestVersion)
+
+You also need `flatlaf-<version>.jar`, which you can download here:
+
+[![Download](https://api.bintray.com/packages/jformdesigner/flatlaf/flatlaf/images/download.svg)](https://bintray.com/jformdesigner/flatlaf/flatlaf/_latestVersion)

flatlaf-swingx/build.gradle.kts

@@ -0,0 +1,121 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.
+ */
+
+version = rootProject.version
+
+plugins {
+	`java-library`
+	`maven-publish`
+	id( "com.jfrog.bintray" ) version "1.8.4"
+}
+
+dependencies {
+	implementation( project( ":flatlaf-core" ) )
+	implementation( "org.swinglabs.swingx:swingx-all:1.6.5-1" )
+}
+
+java {
+	sourceCompatibility = JavaVersion.VERSION_1_8
+	targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+tasks {
+	assemble {
+		dependsOn(
+			"sourcesJar",
+			"javadocJar"
+		)
+	}
+
+	javadoc {
+		options {
+			this as StandardJavadocDocletOptions
+			tags = listOf( "uiDefault", "clientProperty" )
+		}
+		isFailOnError = false
+	}
+
+	register( "sourcesJar", Jar::class ) {
+		archiveClassifier.set( "sources" )
+
+		from( sourceSets.main.get().allJava )
+	}
+
+	register( "javadocJar", Jar::class ) {
+		archiveClassifier.set( "javadoc" )
+
+		from( javadoc )
+	}
+}
+
+publishing {
+	publications {
+		create<MavenPublication>( "maven" ) {
+			artifactId = "flatlaf-swingx"
+			groupId = "com.formdev"
+
+			from( components["java"] )
+
+			artifact( tasks["sourcesJar"] )
+			artifact( tasks["javadocJar"] )
+
+			pom {
+				name.set( "FlatLaf addon for SwingX" )
+				description.set( "Flat Look and Feel addon for SwingX" )
+				url.set( "https://github.com/JFormDesigner/FlatLaf" )
+
+				licenses {
+					license {
+						name.set( "The Apache License, Version 2.0" )
+						url.set( "http://www.apache.org/licenses/LICENSE-2.0.txt" )
+					}
+				}
+
+				developers {
+					developer {
+						name.set( "Karl Tauber" )
+						organization.set( "FormDev Software GmbH" )
+						organizationUrl.set( "https://www.formdev.com/" )
+					}
+				}
+
+				scm {
+					url.set( "https://github.com/JFormDesigner/FlatLaf" )
+				}
+			}
+		}
+	}
+}
+
+bintray {
+	user = System.getenv( "BINTRAY_USER" ) ?: System.getProperty( "bintray.user" )
+	key = System.getenv( "BINTRAY_KEY" ) ?: System.getProperty( "bintray.key" )
+
+	setPublications( "maven" )
+
+	with( pkg ) {
+		repo = "flatlaf"
+		name = "flatlaf-swingx"
+		setLicenses( "Apache-2.0" )
+		vcsUrl = "https://github.com/JFormDesigner/FlatLaf"
+
+		with( version ) {
+			name = project.version.toString()
+		}
+
+		publish = true
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/FlatLookAndFeelAddons.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx;
+
+import javax.swing.UIManager;
+import org.jdesktop.swingx.plaf.basic.BasicLookAndFeelAddons;
+import com.formdev.flatlaf.FlatLaf;
+
+/**
+ * SwingX LaF addon.
+ *
+ * This class is required because without this class, the system addon would be used,
+ * which may result in wrong UI defaults. (e.g. background of TaskPaneContainer)
+ *
+ * @author Karl Tauber
+ */
+public class FlatLookAndFeelAddons
+	extends BasicLookAndFeelAddons
+{
+	@Override
+	protected boolean matches() {
+		return UIManager.getLookAndFeel() instanceof FlatLaf;
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/FlatSwingXDefaultsAddon.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx;
+
+import java.io.InputStream;
+import com.formdev.flatlaf.FlatDefaultsAddon;
+
+/**
+ * SwingX addon for FlatLaf.
+ *
+ * @author Karl Tauber
+ */
+public class FlatSwingXDefaultsAddon
+	extends FlatDefaultsAddon
+{
+	/**
+	 * Finds SwingX addon .properties file for the given LaF class
+	 * in the same package as this class.
+	 */
+	@Override
+	public InputStream getDefaults( Class<?> lafClass ) {
+		Class<?> addonClass = this.getClass();
+		String propertiesName = "/" + addonClass.getPackage().getName().replace( '.', '/' )
+			+ '/' + lafClass.getSimpleName() + ".properties";
+		return addonClass.getResourceAsStream( propertiesName );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatBusyLabelUI.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import javax.swing.JComponent;
+import javax.swing.JLabel;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import org.jdesktop.swingx.JXBusyLabel;
+import org.jdesktop.swingx.plaf.basic.BasicBusyLabelUI;
+import com.formdev.flatlaf.FlatLaf;
+import com.formdev.flatlaf.ui.FlatUIUtils;
+
+//TODO scale busy spinner
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXBusyLabel}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatBusyLabelUI
+	extends BasicBusyLabelUI
+{
+	private Color disabledForeground;
+
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatBusyLabelUI( (JXBusyLabel) c );
+	}
+
+	public FlatBusyLabelUI( JXBusyLabel busyLabel ) {
+		super( busyLabel );
+	}
+
+	@Override
+	protected void installDefaults( JLabel c ) {
+		super.installDefaults( c );
+
+		disabledForeground = UIManager.getColor( "Label.disabledForeground" );
+
+		// force recreation of busy painter for correct colors when switching LaF
+		if( c.getIcon() != null ) {
+			JXBusyLabel busyLabel = (JXBusyLabel) c;
+			boolean oldBusy = busyLabel.isBusy();
+			busyLabel.setBusy( false );
+			busyLabel.setBusyPainter( null );
+			busyLabel.setBusy( oldBusy );
+		}
+	}
+
+	@Override
+	protected void uninstallDefaults( JLabel c ) {
+		super.uninstallDefaults( c );
+
+		disabledForeground = null;
+	}
+
+	@Override
+	protected void paintDisabledText( JLabel l, Graphics g, String s, int textX, int textY ) {
+		int mnemIndex = FlatLaf.isShowMnemonics() ? l.getDisplayedMnemonicIndex() : -1;
+		g.setColor( disabledForeground );
+		FlatUIUtils.drawStringUnderlineCharAt( l, g, s, mnemIndex, textX, textY );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatDatePickerBorder.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import java.awt.Component;
+import org.jdesktop.swingx.JXDatePicker;
+import com.formdev.flatlaf.ui.FlatRoundBorder;
+
+/**
+ * Border for {@link org.jdesktop.swingx.JXDatePicker}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatDatePickerBorder
+	extends FlatRoundBorder
+{
+	@Override
+	protected boolean isFocused( Component c ) {
+		if( c instanceof JXDatePicker )
+			return ((JXDatePicker)c).getEditor().hasFocus();
+
+		return super.isFocused( c );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatDatePickerUI.java

@@ -0,0 +1,303 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import static com.formdev.flatlaf.util.UIScale.scale;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.Dimension;
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Insets;
+import java.awt.LayoutManager;
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.geom.Rectangle2D;
+import java.text.ParseException;
+import java.util.Calendar;
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JComponent;
+import javax.swing.JFormattedTextField;
+import javax.swing.JPanel;
+import javax.swing.LookAndFeel;
+import javax.swing.SwingConstants;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.UIResource;
+import org.jdesktop.swingx.JXHyperlink;
+import org.jdesktop.swingx.JXPanel;
+import org.jdesktop.swingx.calendar.DatePickerFormatter.DatePickerFormatterUIResource;
+import org.jdesktop.swingx.plaf.basic.BasicDatePickerUI;
+import com.formdev.flatlaf.ui.FlatArrowButton;
+import com.formdev.flatlaf.ui.FlatBorder;
+import com.formdev.flatlaf.ui.FlatRoundBorder;
+import com.formdev.flatlaf.ui.FlatUIUtils;
+import com.formdev.flatlaf.ui.MigLayoutVisualPadding;
+import com.formdev.flatlaf.util.UIScale;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXDatePicker}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatDatePickerUI
+	extends BasicDatePickerUI
+{
+	protected Insets padding;
+
+	protected int focusWidth;
+	protected int arc;
+	protected String arrowType;
+	protected Color borderColor;
+	protected Color disabledBorderColor;
+
+	protected Color disabledBackground;
+
+	protected Color buttonBackground;
+	protected Color buttonArrowColor;
+	protected Color buttonDisabledArrowColor;
+	protected Color buttonHoverArrowColor;
+
+	private JButton popupButton;
+
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatDatePickerUI();
+	}
+
+	@Override
+	public void installUI( JComponent c ) {
+		// must get UI defaults here because installDefaults() is invoked after
+		// installComponents(), which uses these values to create popup button
+
+		padding = UIManager.getInsets( "ComboBox.padding" );
+
+		focusWidth = UIManager.getInt( "Component.focusWidth" );
+		arc = UIManager.getInt( "Component.arc" );
+		arrowType = UIManager.getString( "Component.arrowType" );
+		borderColor = UIManager.getColor( "Component.borderColor" );
+		disabledBorderColor = UIManager.getColor( "Component.disabledBorderColor" );
+
+		disabledBackground = UIManager.getColor( "ComboBox.disabledBackground" );
+
+		buttonBackground = UIManager.getColor( "ComboBox.buttonBackground" );
+		buttonArrowColor = UIManager.getColor( "ComboBox.buttonArrowColor" );
+		buttonDisabledArrowColor = UIManager.getColor( "ComboBox.buttonDisabledArrowColor" );
+		buttonHoverArrowColor = UIManager.getColor( "ComboBox.buttonHoverArrowColor" );
+
+		super.installUI( c );
+
+		LookAndFeel.installProperty( datePicker, "opaque", false );
+
+		// hack JXDatePicker.TodayPanel colors
+		// (there is no need to uninstall these changes because only UIResources are used,
+		// which are automatically replaced when switching LaF)
+		JPanel linkPanel = datePicker.getLinkPanel();
+		if( linkPanel instanceof JXPanel && linkPanel.getClass().getName().equals( "org.jdesktop.swingx.JXDatePicker$TodayPanel" ) ) {
+			((JXPanel)linkPanel).setBackgroundPainter( null );
+			linkPanel.setBackground( UIManager.getColor( "JXMonthView.background" ) );
+
+			if( linkPanel.getComponentCount() >= 1 && linkPanel.getComponent( 0 ) instanceof JXHyperlink ) {
+				JXHyperlink todayLink = (JXHyperlink) linkPanel.getComponent( 0 );
+				todayLink.setUnclickedColor( UIManager.getColor( "Hyperlink.linkColor" ) );
+				todayLink.setClickedColor( UIManager.getColor( "Hyperlink.visitedColor" ) );
+			}
+		}
+	}
+
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		LookAndFeel.installColors( datePicker, "ComboBox.background", "ComboBox.foreground" );
+
+		LookAndFeel.installBorder( datePicker, "JXDatePicker.border" );
+		LookAndFeel.installProperty( datePicker, "opaque", Boolean.TRUE );
+
+		MigLayoutVisualPadding.install( datePicker, focusWidth );
+	}
+
+	@Override
+	protected void uninstallDefaults() {
+		super.uninstallDefaults();
+
+		borderColor = null;
+		disabledBorderColor = null;
+
+		disabledBackground = null;
+
+		buttonBackground = null;
+		buttonArrowColor = null;
+		buttonDisabledArrowColor = null;
+		buttonHoverArrowColor = null;
+
+		if( datePicker.getBorder() instanceof UIResource )
+			datePicker.setBorder( null );
+
+		MigLayoutVisualPadding.uninstall( datePicker );
+	}
+
+	@Override
+	protected JFormattedTextField createEditor() {
+		JFormattedTextField editor = new DefaultEditor( new DatePickerFormatterUIResource( datePicker.getLocale() ) );
+		editor.setName( "dateField" );
+		editor.setBorder( BorderFactory.createEmptyBorder() );
+		editor.setOpaque( false );
+		editor.addFocusListener( new FlatUIUtils.RepaintFocusListener( datePicker ) );
+		return editor;
+	}
+
+	@Override
+	protected JButton createPopupButton() {
+		popupButton = new FlatArrowButton( SwingConstants.SOUTH, arrowType, buttonArrowColor,
+			buttonDisabledArrowColor, buttonHoverArrowColor, null );
+		popupButton.setName( "popupButton" );
+		return popupButton;
+	}
+
+	@Override
+	protected LayoutManager createLayoutManager() {
+		return new LayoutManager() {
+			@Override
+			public void addLayoutComponent( String name, Component comp ) {}
+			@Override
+			public void removeLayoutComponent( Component comp ) {}
+
+			@Override
+			public Dimension preferredLayoutSize( Container parent ) {
+				return parent.getPreferredSize();
+			}
+			@Override
+			public Dimension minimumLayoutSize( Container parent ) {
+				return parent.getMinimumSize();
+			}
+			@Override
+			public void layoutContainer( Container parent ) {
+				Insets insets = datePicker.getInsets();
+				int x = insets.left;
+				int y = insets.top;
+				int width = datePicker.getWidth() - insets.left - insets.right;
+				int height = datePicker.getHeight() - insets.top - insets.bottom;
+
+				int popupButtonWidth = popupButton != null ? height : 0;
+				boolean ltr = datePicker.getComponentOrientation().isLeftToRight();
+
+				Rectangle r = new Rectangle( x + (ltr ? 0 : popupButtonWidth), y, width - popupButtonWidth, height );
+				r = FlatUIUtils.subtractInsets( r, UIScale.scale( padding ) );
+				datePicker.getEditor().setBounds( r );
+
+				if( popupButton != null )
+					popupButton.setBounds( x + (ltr ? width - popupButtonWidth : 0), y, popupButtonWidth, height );
+			}
+		};
+	}
+
+	@Override
+	public Dimension getPreferredSize( JComponent c ) {
+		Dimension dim = datePicker.getEditor().getPreferredSize();
+		dim = FlatUIUtils.addInsets( dim, UIScale.scale( padding ) );
+		if( popupButton != null )
+			dim.width += dim.height;
+		return FlatUIUtils.addInsets( dim, datePicker.getInsets() );
+	}
+
+	@Override
+	public void update( Graphics g, JComponent c ) {
+		// fill background if opaque to avoid garbage if user sets opaque to true
+		if( c.isOpaque() )
+			FlatUIUtils.paintParentBackground( g, c );
+
+		Graphics2D g2 = (Graphics2D) g;
+		FlatUIUtils.setRenderingHints( g2 );
+
+		int width = c.getWidth();
+		int height = c.getHeight();
+		float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
+		float arc = (c.getBorder() instanceof FlatRoundBorder) ? scale( (float) this.arc ) : 0;
+		int arrowX = popupButton.getX();
+		int arrowWidth = popupButton.getWidth();
+		boolean enabled = c.isEnabled();
+		boolean isLeftToRight = c.getComponentOrientation().isLeftToRight();
+
+		// paint background
+		g2.setColor( enabled ? c.getBackground() : disabledBackground );
+		FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
+
+		// paint arrow button background
+		if( enabled ) {
+			g2.setColor( buttonBackground );
+			Shape oldClip = g2.getClip();
+			if( isLeftToRight )
+				g2.clipRect( arrowX, 0, width - arrowX, height );
+			else
+				g2.clipRect( 0, 0, arrowX + arrowWidth, height );
+			FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
+			g2.setClip( oldClip );
+		}
+
+		// paint vertical line between value and arrow button
+		g2.setColor( enabled ? borderColor : disabledBorderColor );
+		float lw = scale( 1f );
+		float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
+		g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - (focusWidth * 2) ) );
+
+		paint( g, c );
+	}
+
+	//---- class DefaultEditor ------------------------------------------------
+
+	private class DefaultEditor
+		extends JFormattedTextField
+		implements UIResource
+	{
+		DefaultEditor( AbstractFormatter formatter ) {
+			super( formatter );
+
+			// disable Component.minimumWidth
+			setColumns( 1 );
+		}
+
+		@Override
+		public Dimension getPreferredSize() {
+			Dimension prefSize = super.getPreferredSize();
+
+			// create date 2000-11-30 that is used for minimum width calculation
+			Calendar calendar = Calendar.getInstance( datePicker.getLocale() );
+			calendar.set( 2000, 11, 30 );
+
+			try {
+				AbstractFormatter formatter = getFormatter();
+				String str = formatter.valueToString( calendar.getTime() );
+
+				Insets insets = getInsets();
+				FontMetrics metrics = getFontMetrics( getFont() );
+				int minWidth = metrics.stringWidth( str ) + insets.left + insets.right + 2;
+				return new Dimension( Math.max( minWidth, prefSize.width ), prefSize.height );
+			} catch( ParseException ex ) {
+				// ignore
+				return prefSize;
+			}
+		}
+
+		@Override
+		public Dimension getMinimumSize() {
+			return getPreferredSize();
+		}
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatHeaderUI.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import java.awt.Component;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.LayoutManager;
+import javax.swing.JComponent;
+import javax.swing.plaf.ComponentUI;
+import org.jdesktop.swingx.JXHeader;
+import org.jdesktop.swingx.plaf.basic.BasicHeaderUI;
+import com.formdev.flatlaf.util.UIScale;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXHeader}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatHeaderUI
+	extends BasicHeaderUI
+{
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatHeaderUI();
+	}
+
+	@Override
+	protected void installComponents( JXHeader header ) {
+		super.installComponents( header );
+
+		scaleLayout( header );
+	}
+
+	@Override
+	protected void onPropertyChange( JXHeader h, String propertyName, Object oldValue, Object newValue ) {
+		super.onPropertyChange( h, propertyName, oldValue, newValue );
+
+		if( "iconPosition".equals( propertyName ) )
+			scaleLayout( h );
+	}
+
+	private void scaleLayout( JXHeader header ) {
+		if( UIScale.getUserScaleFactor() == 1f )
+			return;
+
+		LayoutManager layout = header.getLayout();
+		if( !(layout instanceof GridBagLayout) )
+			return;
+
+		GridBagLayout gbl = (GridBagLayout) layout;
+		for( Component c : header.getComponents() ) {
+			GridBagConstraints cons = gbl.getConstraints( c );
+			cons.insets = UIScale.scale( cons.insets );
+			gbl.setConstraints( c, cons );
+		}
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatHyperlinkUI.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.geom.Rectangle2D;
+import javax.swing.AbstractButton;
+import javax.swing.JComponent;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import org.jdesktop.swingx.plaf.basic.BasicHyperlinkUI;
+import com.formdev.flatlaf.ui.FlatButtonUI;
+import com.formdev.flatlaf.ui.FlatUIUtils;
+import com.formdev.flatlaf.util.UIScale;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXHyperlink}.
+ *
+ * @uiDefault Hyperlink.disabledText				Color
+ *
+ * @author Karl Tauber
+ */
+public class FlatHyperlinkUI
+	extends BasicHyperlinkUI
+{
+	protected Color disabledText;
+
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatHyperlinkUI();
+	}
+
+	@Override
+	protected void installDefaults( AbstractButton b ) {
+		super.installDefaults( b );
+
+		disabledText = UIManager.getColor( "Hyperlink.disabledText" );
+	}
+
+	@Override
+	protected void uninstallDefaults( AbstractButton b ) {
+		super.uninstallDefaults( b );
+
+		disabledText = null;
+	}
+
+	@Override
+	public void paint( Graphics g, JComponent c ) {
+		FlatUIUtils.setRenderingHints( (Graphics2D) g );
+
+		super.paint( g, c );
+	}
+
+	@Override
+	protected void paintText( Graphics g, AbstractButton b, Rectangle textRect, String text ) {
+		FlatButtonUI.paintText( g, b, textRect, text, b.isEnabled() ? b.getForeground() : disabledText );
+
+		if( b.getModel().isRollover() )
+			paintUnderline( g, textRect );
+	}
+
+	private void paintUnderline( Graphics g, Rectangle rect ) {
+		int descent = g.getFontMetrics().getDescent();
+
+		((Graphics2D)g).fill( new Rectangle2D.Float(
+			rect.x, (rect.y + rect.height) - descent + UIScale.scale( 1f ),
+			rect.width, UIScale.scale( 1f ) ) );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatMonthDownIcon.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import javax.swing.SwingConstants;
+import javax.swing.UIManager;
+import com.formdev.flatlaf.icons.FlatAbstractIcon;
+import com.formdev.flatlaf.ui.FlatArrowButton;
+
+/**
+ * "month down" icon for {@link org.jdesktop.swingx.JXMonthView}.
+ *
+ * @uiDefault Component.arrowType				String	triangle (default) or chevron
+ * @uiDefault JXMonthView.arrowColor			Color
+ * @uiDefault JXMonthView.disabledArrowColor	Color
+ *
+ * @author Karl Tauber
+ */
+public class FlatMonthDownIcon
+	extends FlatAbstractIcon
+{
+	protected final boolean chevron = "chevron".equals( UIManager.getString( "Component.arrowType" ) );
+	protected final Color arrowColor = UIManager.getColor( "JXMonthView.arrowColor" );
+	protected final Color disabledArrowColor = UIManager.getColor( "JXMonthView.disabledArrowColor" );
+
+	private final int direction;
+
+	public FlatMonthDownIcon() {
+		this( SwingConstants.WEST );
+	}
+
+	protected FlatMonthDownIcon( int direction ) {
+		super( 20, 20, null );
+		this.direction = direction;
+	}
+
+	@Override
+	protected void paintIcon( Component c, Graphics2D g ) {
+		int h = chevron ? 4 : 5;
+		int w = chevron ? 8 : 9;
+		int x = Math.round( (width - h) / 2f );
+		int y = Math.round( (height - w) / 2f );
+
+		g.setColor( c.isEnabled() ? arrowColor : disabledArrowColor );
+		g.translate( x, y );
+		Shape arrowShape = FlatArrowButton.createArrowShape( direction, chevron, w, h );
+		if( chevron ) {
+			// chevron arrow
+			g.setStroke( new BasicStroke( 1f ) );
+			g.draw( arrowShape );
+		} else {
+			// triangle arrow
+			g.fill( arrowShape );
+		}
+		g.translate( -x, -y );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatMonthUpIcon.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import javax.swing.SwingConstants;
+
+/**
+ * "month up" icon for {@link org.jdesktop.swingx.JXMonthView}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatMonthUpIcon
+	extends FlatMonthDownIcon
+{
+	public FlatMonthUpIcon() {
+		super( SwingConstants.EAST );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatMonthViewUI.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import java.awt.Insets;
+import java.util.Calendar;
+import javax.swing.JComponent;
+import javax.swing.border.Border;
+import javax.swing.border.CompoundBorder;
+import javax.swing.border.EmptyBorder;
+import javax.swing.plaf.ComponentUI;
+import org.jdesktop.swingx.JXMonthView;
+import org.jdesktop.swingx.plaf.basic.BasicMonthViewUI;
+import org.jdesktop.swingx.plaf.basic.CalendarRenderingHandler;
+import org.jdesktop.swingx.plaf.basic.CalendarState;
+import com.formdev.flatlaf.ui.FlatEmptyBorder;
+import com.formdev.flatlaf.ui.FlatLineBorder;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXMonthView}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatMonthViewUI
+	extends BasicMonthViewUI
+{
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatMonthViewUI();
+	}
+
+	@Override
+	protected CalendarRenderingHandler createRenderingHandler() {
+		return new FlatRenderingHandler();
+	}
+
+	//---- class FlatRenderingHandler -----------------------------------------
+
+	private static class FlatRenderingHandler
+		extends RenderingHandler
+	{
+		@Override
+		public JComponent prepareRenderingComponent( JXMonthView monthView, Calendar calendar,
+			CalendarState dayState )
+		{
+			JComponent c = super.prepareRenderingComponent( monthView, calendar, dayState );
+
+			int px = monthView.getBoxPaddingX();
+			int py = monthView.getBoxPaddingY();
+
+			// scale borders
+			Border border = null;
+			if( dayState == CalendarState.TITLE &&  monthView.isTraversable() ) {
+				Border b = c.getBorder();
+				if( b instanceof CompoundBorder && ((CompoundBorder)b).getInsideBorder() instanceof EmptyBorder )
+					border = new CompoundBorder( ((CompoundBorder)b).getOutsideBorder(), new FlatEmptyBorder( py * 2, 0, py * 2, 0 ) );
+			} else if( dayState == CalendarState.TODAY )
+				border = new FlatLineBorder( new Insets( py, px, py, px ), monthView.getTodayBackground() );
+
+			if( border == null )
+				border = new FlatEmptyBorder( py, px, py, px );
+			c.setBorder( border );
+
+			return c;
+		}
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatTaskPaneUI.java

@@ -0,0 +1,274 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx.ui;
+
+import static com.formdev.flatlaf.util.UIScale.scale;
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Insets;
+import java.awt.Shape;
+import java.awt.geom.Path2D;
+import java.awt.geom.Rectangle2D;
+import javax.swing.JComponent;
+import javax.swing.SwingConstants;
+import javax.swing.UIManager;
+import javax.swing.border.Border;
+import javax.swing.border.CompoundBorder;
+import javax.swing.border.EmptyBorder;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.UIResource;
+import org.jdesktop.swingx.JXTaskPane;
+import org.jdesktop.swingx.plaf.basic.BasicTaskPaneUI;
+import com.formdev.flatlaf.ui.FlatArrowButton;
+import com.formdev.flatlaf.ui.FlatUIUtils;
+import com.formdev.flatlaf.util.UIScale;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXTaskPane}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatTaskPaneUI
+	extends BasicTaskPaneUI
+{
+	private Color background;
+
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatTaskPaneUI();
+	}
+
+	@Override
+	protected void installDefaults() {
+		if( group.getContentPane() instanceof JComponent ) {
+			// remove default SwingX content border, which may be still set when switching LaF
+			JComponent content = (JComponent) group.getContentPane();
+			Border contentBorder = content.getBorder();
+			if( contentBorder instanceof CompoundBorder &&
+				((CompoundBorder)contentBorder).getOutsideBorder() instanceof BasicTaskPaneUI.ContentPaneBorder &&
+				((CompoundBorder)contentBorder).getInsideBorder() instanceof EmptyBorder )
+			{
+				content.setBorder( null );
+			}
+
+			// set non-UIResource color to background to avoid that it is lost when switching LaF
+			background = UIManager.getColor( "TaskPane.background" );
+			Color bg = content.getBackground();
+			if( bg == null || bg instanceof UIResource ) {
+				content.setBackground( new Color( background.getRGB(), true ) );
+			}
+		}
+
+		roundHeight = FlatUIUtils.getUIInt( "TaskPane.roundHeight", UIManager.getInt( "Component.arc" ) );
+
+		super.installDefaults();
+	}
+
+	@Override
+	public void uninstallUI( JComponent c ) {
+		if( group.getContentPane() instanceof JComponent ) {
+			// uninstall our content border, because it does not implement UIResource,
+			// to alloy other LaF to install its own border
+			JComponent content = (JComponent) group.getContentPane();
+			if( content.getBorder() instanceof FlatContentPaneBorder )
+				content.setBorder( null );
+
+			// replace our non-UIResouce background with UIResouce background
+			// to allow next LaF to overwrite it
+			if( background.equals( content.getBackground() ) )
+				content.setBackground( background );
+			background = null;
+		}
+
+
+		super.uninstallUI( c );
+	}
+
+	@Override
+	protected int getTitleHeight( Component c ) {
+		return Math.max( super.getTitleHeight( c ), UIScale.scale( titleHeight ) );
+	}
+
+	@Override
+	protected int getRoundHeight() {
+		return UIScale.scale( roundHeight );
+	}
+
+	@Override
+	protected Border createPaneBorder() {
+		return new FlatPaneBorder();
+	}
+
+	@Override
+	protected Border createContentPaneBorder() {
+		return new FlatContentPaneBorder( UIManager.getColor( "TaskPane.borderColor" ),
+			UIManager.getInsets( "TaskPane.contentInsets" ) );
+	}
+
+	//---- class FlatContentPaneBorder ----------------------------------------
+
+	/**
+	 * The content pane border.
+	 */
+	private static class FlatContentPaneBorder
+		extends EmptyBorder
+	{
+		Color color;
+
+		FlatContentPaneBorder( Color color, Insets insets ) {
+			super( insets );
+			this.color = color;
+
+			// add space for the line border
+			left++;
+			right++;
+			bottom++;
+		}
+
+		@Override
+		public void paintBorder( Component c, Graphics g, int x, int y, int width, int height ) {
+			if( color == null )
+				return;
+
+			FlatUIUtils.setRenderingHints( (Graphics2D) g );
+
+			g.setColor( color );
+
+			float lineWidth = UIScale.scale( 1f );
+			Path2D path = new Path2D.Float( Path2D.WIND_EVEN_ODD );
+			path.append( new Rectangle2D.Float( x, y, width, height ), false );
+			path.append( new Rectangle2D.Float( x + lineWidth, y, width - (lineWidth * 2), height - lineWidth ), false );
+			((Graphics2D)g).fill( path );
+		}
+
+		@Override
+		public Insets getBorderInsets() {
+			return new Insets( scale( top ), scale( left ), scale( bottom ), scale( right ) );
+		}
+
+		@Override
+		public Insets getBorderInsets( Component c, Insets insets ) {
+			insets.left = scale( left );
+			insets.top = scale( top );
+			insets.right = scale( right );
+			insets.bottom = scale( bottom );
+			return insets;
+		}
+	}
+
+	//---- class FlatPaneBorder -----------------------------------------------
+
+	private class FlatPaneBorder
+		extends PaneBorder
+	{
+		@Override
+		public void paintBorder( Component c, Graphics g, int x, int y, int width, int height ) {
+			FlatUIUtils.setRenderingHints( (Graphics2D) g );
+
+			super.paintBorder( c, g, x, y, width, height );
+		}
+
+		@Override
+		protected void paintTitleBackground( JXTaskPane group, Graphics g ) {
+			int width = group.getWidth();
+			int height = getTitleHeight( group ) ;
+			float arc = UIScale.scale( (float) roundHeight );
+			float lineWidth = UIScale.scale( 1f );
+
+			// paint background
+			g.setColor( group.isSpecial() ? specialTitleBackground : titleBackgroundGradientStart );
+			((Graphics2D)g).fill( FlatUIUtils.createRoundRectanglePath( lineWidth, lineWidth,
+				width - (lineWidth * 2), height - (lineWidth * 2), arc - lineWidth, arc - lineWidth, 0, 0 ) );
+
+			// paint border
+			if( borderColor != null ) {
+				g.setColor( borderColor );
+				((Graphics2D)g).fill( FlatUIUtils.createRoundRectangle( 0, 0, width, height, lineWidth, arc, arc, 0, 0 ) );
+			}
+		}
+
+		@Override
+		protected void paintExpandedControls( JXTaskPane group, Graphics g, int x, int y, int width, int height ) {
+			g.setColor( getPaintColor( group ) );
+			paintChevronControls( group, g, x, y, width, height );
+		}
+
+		@Override
+		protected void paintChevronControls( JXTaskPane group, Graphics g, int x, int y, int width, int height ) {
+			Graphics2D g2 = (Graphics2D) g;
+
+			// scale chevron size
+			float cw = scale( 6f );
+			float ch = scale( 3f );
+
+			// create arrow shape
+			int direction = group.isCollapsed() ? SwingConstants.SOUTH : SwingConstants.NORTH;
+			Shape arrowShape = FlatArrowButton.createArrowShape( direction, true, cw, ch );
+
+			// fix position of controls
+			x = group.getComponentOrientation().isLeftToRight() ? (group.getWidth() - width - y) : y;
+
+			// compute chevron position
+			int cx = (int) (x + width / 2 - cw / 2);
+			int cy = (int) (y + (height / 2 - ch));
+			float offset = ch + UIScale.scale( 1f );
+
+			// set stroke with scaled width
+			g2.setStroke( new BasicStroke( scale( 1f ) ) );
+
+			// paint
+			g2.translate( cx, cy );
+			g2.draw( arrowShape );
+			g2.translate( 0, offset );
+			g2.draw( arrowShape );
+			g2.translate( -cx, -(cy + offset) );
+		}
+
+		@Override
+		protected void paintTitle( JXTaskPane group, Graphics g, Color textColor,
+			int x, int y, int width, int height )
+		{
+			// scale title position
+			int titleX = UIScale.scale( 3 );
+			int titleWidth = group.getWidth() - getTitleHeight(group) - titleX;
+			if( !group.getComponentOrientation().isLeftToRight() ) {
+				// right-to-left
+				titleX = group.getWidth() - titleX - titleWidth;
+			}
+
+			super.paintTitle( group, g, textColor, titleX, y, titleWidth, height );
+		}
+
+		@Override
+		protected void paintFocus( Graphics g, Color paintColor, int x, int y, int width, int height ) {
+			// scale focus rectangle
+			int sx = UIScale.scale( x );
+			int sy = UIScale.scale( y );
+			int swidth = width - (sx - x) * 2;
+			int sheight = height - (sy - y) * 2;
+
+			super.paintFocus( g, paintColor, sx, sy, swidth, sheight );
+		}
+
+		@Override
+		protected boolean isMouseOverBorder() {
+			return true;
+		}
+	}
+}

flatlaf-swingx/src/main/resources/META-INF/services/com.formdev.flatlaf.FlatDefaultsAddon

@@ -0,0 +1 @@
+com.formdev.flatlaf.swingx.FlatSwingXDefaultsAddon

flatlaf-swingx/src/main/resources/META-INF/services/org.jdesktop.swingx.plaf.LookAndFeelAddons

@@ -0,0 +1 @@
+com.formdev.flatlaf.swingx.FlatLookAndFeelAddons

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

@@ -0,0 +1,69 @@
+#
+# Copyright 2019 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
+#
+#     http://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.
+#
+
+#---- BusyLabel ----
+
+JXBusyLabel.baseColor=777777
+JXBusyLabel.highlightColor=e0e0e0
+
+
+#---- Header ----
+
+JXHeader.background=@background
+JXHeader.startBackground=4c5052
+
+
+#---- Hyperlink ----
+
+Hyperlink.linkColor=589df6
+Hyperlink.visitedColor=@@Hyperlink.linkColor
+Hyperlink.disabledText=@disabledText
+
+
+#---- MonthView ----
+
+JXMonthView.background=@textComponentBackground
+JXMonthView.monthStringBackground=4c5052
+JXMonthView.monthStringForeground=@foreground
+JXMonthView.daysOfTheWeekForeground=aaaaaa
+JXMonthView.weekOfTheYearForeground=888888
+JXMonthView.unselectableDayForeground=E05555
+JXMonthView.selectedBackground=@selectionBackground
+JXMonthView.flaggedDayForeground=E05555
+JXMonthView.leadingDayForeground=@disabledText
+JXMonthView.trailingDayForeground=@disabledText
+JXMonthView.arrowColor=@foreground
+JXMonthView.disabledArrowColor=@disabledText
+
+
+#---- TaskPaneContainer ----
+
+TaskPaneContainer.background=3E434C
+TaskPaneContainer.border=10,10,10,10
+
+
+#---- TaskPane ----
+
+TaskPane.background=@background
+TaskPane.borderColor=@@Button.borderColor
+TaskPane.contentInsets=10,10,10,10
+
+TaskPane.titleBackgroundGradientStart=4c5052
+TaskPane.titleForeground=@foreground
+TaskPane.titleOver=888888
+TaskPane.specialTitleBackground=afafaf
+TaskPane.specialTitleForeground=222222
+TaskPane.specialTitleOver=666666

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

@@ -0,0 +1,35 @@
+#
+# Copyright 2019 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
+#
+#     http://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.
+#
+
+#---- UI delegates ----
+
+BusyLabelUI=com.formdev.flatlaf.swingx.ui.FlatBusyLabelUI
+DatePickerUI=com.formdev.flatlaf.swingx.ui.FlatDatePickerUI
+HeaderUI=com.formdev.flatlaf.swingx.ui.FlatHeaderUI
+HyperlinkUI=com.formdev.flatlaf.swingx.ui.FlatHyperlinkUI
+MonthViewUI=com.formdev.flatlaf.swingx.ui.FlatMonthViewUI
+swingx/TaskPaneUI=com.formdev.flatlaf.swingx.ui.FlatTaskPaneUI
+
+
+#---- DatePicker ----
+
+JXDatePicker.border=com.formdev.flatlaf.swingx.ui.FlatDatePickerBorder
+
+
+#---- MonthView ----
+
+JXMonthView.monthDownFileName={icon}com.formdev.flatlaf.swingx.ui.FlatMonthDownIcon
+JXMonthView.monthUpFileName={icon}com.formdev.flatlaf.swingx.ui.FlatMonthUpIcon

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

@@ -0,0 +1,69 @@
+#
+# Copyright 2019 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
+#
+#     http://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.
+#
+
+#---- BusyLabel ----
+
+JXBusyLabel.baseColor=c4c4c4
+JXBusyLabel.highlightColor=808080
+
+
+#---- Header ----
+
+JXHeader.background=@background
+JXHeader.startBackground=ffffff
+
+
+#---- Hyperlink ----
+
+Hyperlink.linkColor=4a78c2
+Hyperlink.visitedColor=@@Hyperlink.linkColor
+Hyperlink.disabledText=@disabledText
+
+
+#---- MonthView ----
+
+JXMonthView.background=@textComponentBackground
+JXMonthView.monthStringBackground=dfdfdf
+JXMonthView.monthStringForeground=@foreground
+JXMonthView.daysOfTheWeekForeground=444444
+JXMonthView.weekOfTheYearForeground=666666
+JXMonthView.unselectableDayForeground=E02222
+JXMonthView.selectedBackground=B9CEF8
+JXMonthView.flaggedDayForeground=E02222
+JXMonthView.leadingDayForeground=@disabledText
+JXMonthView.trailingDayForeground=@disabledText
+JXMonthView.arrowColor=@foreground
+JXMonthView.disabledArrowColor=@disabledText
+
+
+#---- TaskPaneContainer ----
+
+TaskPaneContainer.background=E6EBF0
+TaskPaneContainer.border=10,10,10,10
+
+
+#---- TaskPane ----
+
+TaskPane.background=@background
+TaskPane.borderColor=@@Button.borderColor
+TaskPane.contentInsets=10,10,10,10
+
+TaskPane.titleBackgroundGradientStart=dfdfdf
+TaskPane.titleForeground=222222
+TaskPane.titleOver=666666
+TaskPane.specialTitleBackground=afafaf
+TaskPane.specialTitleForeground=222222
+TaskPane.specialTitleOver=666666

flatlaf-testing/build.gradle.kts

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.
+ */
+
+version = rootProject.version
+
+plugins {
+	`java-library`
+}
+
+dependencies {
+	implementation( project( ":flatlaf-core" ) )
+	implementation( project( ":flatlaf-extras" ) )
+	implementation( project( ":flatlaf-swingx" ) )
+	implementation( project( ":flatlaf-jide-oss" ) )
+
+	implementation( "com.miglayout:miglayout-swing:5.2" )
+	implementation( "com.jgoodies:jgoodies-forms:1.9.0" )
+	implementation( "org.swinglabs.swingx:swingx-all:1.6.5-1" )
+	implementation( "org.swinglabs.swingx:swingx-beaninfo:1.6.5-1" )
+	implementation( "com.jidesoft:jide-oss:3.6.18" )
+}
+
+java {
+	sourceCompatibility = JavaVersion.VERSION_1_8
+	targetCompatibility = JavaVersion.VERSION_1_8
+}

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
 import javax.swing.*;
 import net.miginfocom.swing.*;
@@ -23,11 +23,13 @@ import net.miginfocom.swing.*;
  * @author Karl Tauber
  */
 public class FlatChooserTest
-	extends JPanel
+	extends FlatTestPanel
 {
 	public static void main( String[] args ) {
-		FlatTestFrame frame = FlatTestFrame.create( args, "FlatChooserTest" );
-		frame.showFrame( new FlatChooserTest() );
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatChooserTest" );
+			frame.showFrame( FlatChooserTest::new );
+		} );
 	}
 
 	FlatChooserTest() {
@@ -54,7 +56,7 @@ public class FlatChooserTest
 
 		//======== this ========
 		setLayout(new MigLayout(
-			"insets 0,hidemode 3,gap 5 5,ltr",
+			"ltr,insets dialog,hidemode 3",
 			// columns
 			"[]" +
 			"[]",

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

@@ -6,8 +6,8 @@ new FormModel {
 		auxiliary() {
 			"JavaCodeGenerator.defaultVariableLocal": true
 		}
-		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-			"$layoutConstraints": "insets 0,hidemode 3,gap 5 5,ltr"
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
 			"$columnConstraints": "[][]"
 			"$rowConstraints": "[top][top][]"
 		} ) {

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatComponents2Test.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
 import javax.swing.*;
 import javax.swing.table.*;
@@ -24,11 +24,13 @@ import net.miginfocom.swing.*;
  * @author Karl Tauber
  */
 public class FlatComponents2Test
-	extends JPanel
+	extends FlatTestPanel
 {
 	public static void main( String[] args ) {
-		FlatTestFrame frame = FlatTestFrame.create( args, "FlatComponents2Test" );
-		frame.showFrame( new FlatComponents2Test() );
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatComponents2Test" );
+			frame.showFrame( FlatComponents2Test::new );
+		} );
 	}
 
 	FlatComponents2Test() {
@@ -60,7 +62,7 @@ public class FlatComponents2Test
 
 		//======== this ========
 		setLayout(new MigLayout(
-			"insets 0,hidemode 3,gap 5 5,ltr",
+			"ltr,insets dialog,hidemode 3",
 			// columns
 			"[]" +
 			"[200]" +

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatComponents2Test.jfd

@@ -6,8 +6,8 @@ new FormModel {
 		auxiliary() {
 			"JavaCodeGenerator.defaultVariableLocal": true
 		}
-		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-			"$layoutConstraints": "insets 0,hidemode 3,gap 5 5,ltr"
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
 			"$columnConstraints": "[][200][200]"
 			"$rowConstraints": "[][][][::200][::150]"
 		} ) {

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
 import java.awt.*;
 import javax.swing.*;
@@ -25,11 +25,13 @@ import net.miginfocom.swing.*;
  * @author Karl Tauber
  */
 public class FlatComponentsTest
-	extends JPanel
+	extends FlatTestPanel
 {
 	public static void main( String[] args ) {
-		FlatTestFrame frame = FlatTestFrame.create( args, "FlatComponentsTest" );
-		frame.showFrame( new FlatComponentsTest() );
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatComponentsTest" );
+			frame.showFrame( FlatComponentsTest::new );
+		} );
 	}
 
 	FlatComponentsTest() {
@@ -143,7 +145,14 @@ public class FlatComponentsTest
 		JToggleButton toggleButton7 = new JToggleButton();
 		JLabel scrollBarLabel = new JLabel();
 		JScrollBar scrollBar1 = new JScrollBar();
+		JLabel label4 = new JLabel();
 		JScrollBar scrollBar4 = new JScrollBar();
+		JPanel panel3 = new JPanel();
+		JLabel label3 = new JLabel();
+		JScrollPane scrollPane15 = new JScrollPane();
+		JEditorPane editorPane6 = new JEditorPane();
+		JScrollPane scrollPane16 = new JScrollPane();
+		JTextPane textPane6 = new JTextPane();
 		JLabel separatorLabel = new JLabel();
 		JSeparator separator1 = new JSeparator();
 		JPanel panel2 = new JPanel();
@@ -169,7 +178,7 @@ public class FlatComponentsTest
 
 		//======== this ========
 		setLayout(new MigLayout(
-			"insets 0,hidemode 3,gap 5 5,ltr",
+			"ltr,insets dialog,hidemode 3",
 			// columns
 			"[]" +
 			"[]" +
@@ -223,17 +232,20 @@ public class FlatComponentsTest
 		//---- button1 ----
 		button1.setText("enabled");
 		button1.setDisplayedMnemonicIndex(0);
+		button1.setToolTipText("This button is enabled.");
 		add(button1, "cell 1 1");
 
 		//---- button2 ----
 		button2.setText("disabled");
 		button2.setDisplayedMnemonicIndex(0);
 		button2.setEnabled(false);
+		button2.setToolTipText("This button is disabled.");
 		add(button2, "cell 2 1");
 
 		//---- button5 ----
 		button5.setText("default");
 		button5.setDisplayedMnemonicIndex(0);
+		button5.setToolTipText("Tool tip with\nmultiple\nlines.");
 		add(button5, "cell 3 1");
 
 		//---- button3 ----
@@ -337,7 +349,15 @@ public class FlatComponentsTest
 			"editable",
 			"a",
 			"bb",
-			"ccc"
+			"ccc",
+			"dd",
+			"e",
+			"ff",
+			"ggg",
+			"hh",
+			"i",
+			"jj",
+			"kkk"
 		}));
 		add(comboBox1, "cell 1 5,growx");
 
@@ -357,7 +377,15 @@ public class FlatComponentsTest
 			"not editable",
 			"a",
 			"bb",
-			"ccc"
+			"ccc",
+			"dd",
+			"e",
+			"ff",
+			"ggg",
+			"hh",
+			"i",
+			"jj",
+			"kkk"
 		}));
 		add(comboBox3, "cell 3 5,growx");
 
@@ -719,11 +747,53 @@ public class FlatComponentsTest
 		scrollBar1.setOrientation(Adjustable.HORIZONTAL);
 		add(scrollBar1, "cell 1 14,growx");
 
+		//---- label4 ----
+		label4.setText("HTML:");
+		add(label4, "cell 5 14");
+
 		//---- scrollBar4 ----
 		scrollBar4.setOrientation(Adjustable.HORIZONTAL);
 		scrollBar4.setEnabled(false);
 		add(scrollBar4, "cell 1 15,growx");
 
+		//======== panel3 ========
+		{
+			panel3.setOpaque(false);
+			panel3.setLayout(new MigLayout(
+				"ltr,insets 0,hidemode 3",
+				// columns
+				"[]",
+				// rows
+				"[]" +
+				"[]" +
+				"[]"));
+
+			//---- label3 ----
+			label3.setText("<html>JLabel HTML<br>Sample <b>content</b><br> <u>text</u></html>");
+			panel3.add(label3, "cell 0 0");
+
+			//======== scrollPane15 ========
+			{
+
+				//---- editorPane6 ----
+				editorPane6.setContentType("text/html");
+				editorPane6.setText("JEditorPane HTML<br>Sample <b>content</b><br> <u>text</u>");
+				scrollPane15.setViewportView(editorPane6);
+			}
+			panel3.add(scrollPane15, "cell 0 1,grow");
+
+			//======== scrollPane16 ========
+			{
+
+				//---- textPane6 ----
+				textPane6.setContentType("text/html");
+				textPane6.setText("JTextPane HTML<br>Sample <b>content</b><br> <u>text</u>");
+				scrollPane16.setViewportView(textPane6);
+			}
+			panel3.add(scrollPane16, "cell 0 2,grow");
+		}
+		add(panel3, "cell 5 15 1 7,aligny top,grow 100 0");
+
 		//---- separatorLabel ----
 		separatorLabel.setText("JSeparator:");
 		add(separatorLabel, "cell 0 16");
@@ -732,6 +802,7 @@ public class FlatComponentsTest
 		//======== panel2 ========
 		{
 			panel2.setBorder(new TitledBorder("TitledBorder"));
+			panel2.setOpaque(false);
 			panel2.setLayout(new FlowLayout());
 		}
 		add(panel2, "cell 3 16,grow");

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

@@ -6,8 +6,8 @@ new FormModel {
 		auxiliary() {
 			"JavaCodeGenerator.defaultVariableLocal": true
 		}
-		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-			"$layoutConstraints": "insets 0,hidemode 3,gap 5 5,ltr"
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
 			"$columnConstraints": "[][][][][][]"
 			"$rowConstraints": "[][][][][][][][][][][][][][][][][][][][][][]"
 		} ) {
@@ -43,6 +43,7 @@ new FormModel {
 				name: "button1"
 				"text": "enabled"
 				"displayedMnemonicIndex": 0
+				"toolTipText": "This button is enabled."
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 1"
 			} )
@@ -51,13 +52,15 @@ new FormModel {
 				"text": "disabled"
 				"displayedMnemonicIndex": 0
 				"enabled": false
+				"toolTipText": "This button is disabled."
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 2 1"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatComponentsTest$TestDefaultButton" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatComponentsTest$TestDefaultButton" ) {
 				name: "button5"
 				"text": "default"
 				"displayedMnemonicIndex": 0
+				"toolTipText": "Tool tip with\nmultiple\nlines."
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 3 1"
 			} )
@@ -203,6 +206,14 @@ new FormModel {
 					addElement( "a" )
 					addElement( "bb" )
 					addElement( "ccc" )
+					addElement( "dd" )
+					addElement( "e" )
+					addElement( "ff" )
+					addElement( "ggg" )
+					addElement( "hh" )
+					addElement( "i" )
+					addElement( "jj" )
+					addElement( "kkk" )
 				}
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 5,growx"
@@ -229,6 +240,14 @@ new FormModel {
 					addElement( "a" )
 					addElement( "bb" )
 					addElement( "ccc" )
+					addElement( "dd" )
+					addElement( "e" )
+					addElement( "ff" )
+					addElement( "ggg" )
+					addElement( "hh" )
+					addElement( "i" )
+					addElement( "jj" )
+					addElement( "kkk" )
 				}
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 3 5,growx"
@@ -678,6 +697,12 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 14,growx"
 			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "label4"
+				"text": "HTML:"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 5 14"
+			} )
 			add( new FormComponent( "javax.swing.JScrollBar" ) {
 				name: "scrollBar4"
 				"orientation": 0
@@ -685,6 +710,42 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 15,growx"
 			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+				"$columnConstraints": "[]"
+				"$rowConstraints": "[][][]"
+				"$layoutConstraints": "ltr,insets 0,hidemode 3"
+			} ) {
+				name: "panel3"
+				"opaque": false
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "label3"
+					"text": "<html>JLabel HTML<br>Sample <b>content</b><br> <u>text</u></html>"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 0"
+				} )
+				add( new FormContainer( "javax.swing.JScrollPane", new FormLayoutManager( class javax.swing.JScrollPane ) ) {
+					name: "scrollPane15"
+					add( new FormComponent( "javax.swing.JEditorPane" ) {
+						name: "editorPane6"
+						"contentType": "text/html"
+						"text": "JEditorPane HTML<br>Sample <b>content</b><br> <u>text</u>"
+					} )
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 1,grow"
+				} )
+				add( new FormContainer( "javax.swing.JScrollPane", new FormLayoutManager( class javax.swing.JScrollPane ) ) {
+					name: "scrollPane16"
+					add( new FormComponent( "javax.swing.JTextPane" ) {
+						name: "textPane6"
+						"contentType": "text/html"
+						"text": "JTextPane HTML<br>Sample <b>content</b><br> <u>text</u>"
+					} )
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 2,grow"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 5 15 1 7,aligny top,grow 100 0"
+			} )
 			add( new FormComponent( "javax.swing.JLabel" ) {
 				name: "separatorLabel"
 				"text": "JSeparator:"
@@ -699,6 +760,7 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
 				name: "panel2"
 				"border": new javax.swing.border.TitledBorder( "TitledBorder" )
+				"opaque": false
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 3 16,grow"
 			} )
@@ -837,7 +899,7 @@ new FormModel {
 			} )
 		}, new FormLayoutConstraints( null ) {
 			"location": new java.awt.Point( 0, 0 )
-			"size": new java.awt.Dimension( 790, 715 )
+			"size": new java.awt.Dimension( 790, 750 )
 		} )
 	}
 }

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

@@ -2,8 +2,9 @@
  * Created by JFormDesigner on Tue Aug 27 21:47:02 CEST 2019
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
+import static com.formdev.flatlaf.FlatClientProperties.TABBED_PANE_HAS_FULL_BORDER;
 import java.awt.*;
 import javax.swing.*;
 import javax.swing.border.*;
@@ -14,11 +15,13 @@ import net.miginfocom.swing.*;
  * @author Karl Tauber
  */
 public class FlatContainerTest
-	extends JPanel
+	extends FlatTestPanel
 {
 	public static void main( String[] args ) {
-		FlatTestFrame frame = FlatTestFrame.create( args, "FlatContainerTest" );
-		frame.showFrame( new FlatContainerTest() );
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatContainerTest" );
+			frame.showFrame( FlatContainerTest::new );
+		} );
 	}
 
 	public FlatContainerTest() {
@@ -35,10 +38,10 @@ public class FlatContainerTest
 
 	private void hasFullBorderChanged() {
 		Boolean hasFullBorder = hasFullBorderCheckBox.isSelected() ? true : null;
-		tabbedPane1.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
-		tabbedPane2.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
-		tabbedPane3.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
-		tabbedPane4.putClientProperty( "JTabbedPane.hasFullBorder", hasFullBorder );
+		tabbedPane1.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane2.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane3.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane4.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
 	}
 
 	private void moreTabsChanged() {
@@ -102,7 +105,7 @@ public class FlatContainerTest
 
 		//======== this ========
 		setLayout(new MigLayout(
-			"insets 0,hidemode 3",
+			"insets dialog,hidemode 3",
 			// columns
 			"[grow,fill]",
 			// rows
@@ -110,6 +113,7 @@ public class FlatContainerTest
 
 		//======== panel9 ========
 		{
+			panel9.setOpaque(false);
 			panel9.setLayout(new FormLayout(
 				"70dlu:grow, $lcgap, 70dlu:grow",
 				"default, $lgap, fill:70dlu, $lgap, pref, 2*($lgap, fill:70dlu:grow), $lgap, pref"));
@@ -281,6 +285,7 @@ public class FlatContainerTest
 
 			//======== panel14 ========
 			{
+				panel14.setOpaque(false);
 				panel14.setLayout(new MigLayout(
 					"insets 0,hidemode 3",
 					// columns

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

@@ -6,8 +6,8 @@ new FormModel {
 		auxiliary() {
 			"JavaCodeGenerator.defaultVariableLocal": true
 		}
-		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-			"$layoutConstraints": "insets 0,hidemode 3"
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "insets dialog,hidemode 3"
 			"$columnConstraints": "[grow,fill]"
 			"$rowConstraints": "[grow,fill]"
 		} ) {
@@ -17,6 +17,7 @@ new FormModel {
 				"$rowSpecs": "default, linegap, fill:70dlu, linegap, pref, linegap, fill:70dlu:grow, linegap, fill:70dlu:grow, linegap, pref"
 			} ) {
 				name: "panel9"
+				"opaque": false
 				add( new FormComponent( "javax.swing.JLabel" ) {
 					name: "splitPaneLabel"
 					"text": "JSplitPane:"
@@ -203,6 +204,7 @@ new FormModel {
 					"$rowConstraints": "[center]"
 				} ) {
 					name: "panel14"
+					"opaque": false
 					add( new FormComponent( "javax.swing.JCheckBox" ) {
 						name: "moreTabsCheckBox"
 						"text": "more tabs"

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
 import java.awt.Color;
 import java.awt.Component;
@@ -58,6 +58,7 @@ public class FlatInspector
 	private Component lastComponent;
 	private int lastX;
 	private int lastY;
+	private boolean inspectParent;
 
 	private JComponent highlightFigure;
 	private JToolTip tip;
@@ -70,6 +71,7 @@ public class FlatInspector
 			public void mouseMoved( MouseEvent e ) {
 				lastX = e.getX();
 				lastY = e.getY();
+				inspectParent = e.isShiftDown();
 				inspect( lastX, lastY );
 			}
 		} );
@@ -105,6 +107,8 @@ public class FlatInspector
 	private void inspect( int x, int y ) {
 		Container contentPane = rootPane.getContentPane();
 		Component c = SwingUtilities.getDeepestComponentAt( contentPane, x, y );
+		if( inspectParent && c != null && c != contentPane )
+			c = c.getParent();
 		if( c == contentPane || (c != null && c.getParent() == contentPane) )
 			c = null;
 
@@ -236,6 +240,11 @@ public class FlatInspector
 			}
 		}
 
+		text += "Enabled: " + c.isEnabled() + '\n';
+		text += "Opaque: " + c.isOpaque() + (c instanceof JComponent &&
+			FlatUIUtils.hasOpaqueBeenExplicitlySet( (JComponent) c ) ? " EXPLICIT" : "") + '\n';
+		text += "Focusable: " + c.isFocusable() + '\n';
+		text += "Left-to-right: " + c.getComponentOrientation().isLeftToRight() + '\n';
 		text += "Parent: " + c.getParent().getClass().getName();
 
 		return text;

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
 import java.awt.Component;
 import java.awt.Container;
@@ -26,11 +26,13 @@ import net.miginfocom.swing.*;
  * @author Karl Tauber
  */
 public class FlatMenusTest
-	extends JPanel
+	extends FlatTestPanel
 {
 	public static void main( String[] args ) {
-		FlatTestFrame frame = FlatTestFrame.create( args, "FlatMenusTest" );
-		frame.showFrame( new FlatMenusTest() );
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatMenusTest" );
+			frame.showFrame( FlatMenusTest::new );
+		} );
 	}
 
 	FlatMenusTest() {
@@ -101,7 +103,7 @@ public class FlatMenusTest
 
 		//======== this ========
 		setLayout(new MigLayout(
-			"insets 0,hidemode 3,gap 5 5,ltr",
+			"ltr,insets dialog,hidemode 3",
 			// columns
 			"[125]" +
 			"[]" +
@@ -153,8 +155,9 @@ public class FlatMenusTest
 
 		//======== panel1 ========
 		{
+			panel1.setOpaque(false);
 			panel1.setLayout(new MigLayout(
-				"insets 0,hidemode 3,gap 5 5,ltr",
+				"ltr,insets 0,hidemode 3",
 				// columns
 				"[125,left]" +
 				"[fill]",
@@ -211,8 +214,9 @@ public class FlatMenusTest
 
 		//======== panel2 ========
 		{
+			panel2.setOpaque(false);
 			panel2.setLayout(new MigLayout(
-				"insets 0,gap 5 5",
+				"insets 0",
 				// columns
 				"[fill]",
 				// rows
@@ -251,8 +255,9 @@ public class FlatMenusTest
 
 		//======== panel3 ========
 		{
+			panel3.setOpaque(false);
 			panel3.setLayout(new MigLayout(
-				"insets 0,gap 5 5",
+				"insets 0",
 				// columns
 				"[fill]",
 				// rows
@@ -290,8 +295,9 @@ public class FlatMenusTest
 
 		//======== panel4 ========
 		{
+			panel4.setOpaque(false);
 			panel4.setLayout(new MigLayout(
-				"insets 0,gap 5 5",
+				"insets 0",
 				// columns
 				"[fill]",
 				// rows

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

@@ -6,8 +6,8 @@ new FormModel {
 		auxiliary() {
 			"JavaCodeGenerator.defaultVariableLocal": true
 		}
-		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-			"$layoutConstraints": "insets 0,hidemode 3,gap 5 5,ltr"
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
 			"$columnConstraints": "[125][][][][]"
 			"$rowConstraints": "[][top][][]"
 		} ) {
@@ -50,9 +50,10 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 				"$columnConstraints": "[125,left][fill]"
 				"$rowConstraints": "[][][][][]"
-				"$layoutConstraints": "insets 0,hidemode 3,gap 5 5,ltr"
+				"$layoutConstraints": "ltr,insets 0,hidemode 3"
 			} ) {
 				name: "panel1"
+				"opaque": false
 				add( new FormComponent( "javax.swing.JLabel" ) {
 					name: "menuLabel"
 					"text": "JMenu:"
@@ -121,9 +122,10 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 				"$columnConstraints": "[fill]"
 				"$rowConstraints": "[][][][][]"
-				"$layoutConstraints": "insets 0,gap 5 5"
+				"$layoutConstraints": "insets 0"
 			} ) {
 				name: "panel2"
+				"opaque": false
 				add( new FormContainer( "javax.swing.JMenu", new FormLayoutManager( class javax.swing.JMenu ) ) {
 					name: "menu2"
 					"text": "disabled"
@@ -161,9 +163,10 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 				"$columnConstraints": "[fill]"
 				"$rowConstraints": "[][][][]"
-				"$layoutConstraints": "insets 0,gap 5 5"
+				"$layoutConstraints": "insets 0"
 			} ) {
 				name: "panel3"
+				"opaque": false
 				add( new FormContainer( "javax.swing.JMenu", new FormLayoutManager( class javax.swing.JMenu ) ) {
 					name: "menu3"
 					"text": "text"
@@ -201,9 +204,10 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 				"$columnConstraints": "[fill]"
 				"$rowConstraints": "[][][][]"
-				"$layoutConstraints": "insets 0,gap 5 5"
+				"$layoutConstraints": "insets 0"
 			} ) {
 				name: "panel4"
+				"opaque": false
 				add( new FormContainer( "javax.swing.JMenu", new FormLayoutManager( class javax.swing.JMenu ) ) {
 					name: "menu4"
 					"text": "text"

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
 import java.awt.*;
 import java.awt.event.MouseAdapter;
@@ -27,11 +27,13 @@ import net.miginfocom.swing.*;
  * @author Karl Tauber
  */
 public class FlatOptionPaneTest
-	extends JPanel
+	extends FlatTestPanel
 {
 	public static void main( String[] args ) {
-		FlatTestFrame frame = FlatTestFrame.create( args, "FlatOptionPaneTest" );
-		frame.showFrame( new FlatOptionPaneTest() );
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatOptionPaneTest" );
+			frame.showFrame( FlatOptionPaneTest::new );
+		} );
 	}
 
 	FlatOptionPaneTest() {
@@ -88,7 +90,7 @@ public class FlatOptionPaneTest
 
 		//======== this ========
 		setLayout(new MigLayout(
-			"flowy,ltr,insets 0,hidemode 3,gap 5 5",
+			"flowy,ltr,insets dialog,hidemode 3",
 			// columns
 			"[]" +
 			"[]" +
@@ -201,7 +203,7 @@ public class FlatOptionPaneTest
 			//---- warningOptionPane ----
 			warningOptionPane.setMessageType(JOptionPane.WARNING_MESSAGE);
 			warningOptionPane.setOptionType(JOptionPane.OK_CANCEL_OPTION);
-			warningOptionPane.setMessage("Beware of the dog!");
+			warningOptionPane.setMessage("<html>I like <b>bold</b>,<br> and I like <i>italic</i>,<br> and I like to have<br> many lines.<br> Lots of lines.");
 			panel5.add(warningOptionPane, BorderLayout.CENTER);
 		}
 		add(panel5, "cell 1 4");

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

@@ -6,8 +6,8 @@ new FormModel {
 		auxiliary() {
 			"JavaCodeGenerator.defaultVariableLocal": true
 		}
-		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-			"$layoutConstraints": "flowy,ltr,insets 0,hidemode 3,gap 5 5"
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "flowy,ltr,insets dialog,hidemode 3"
 			"$columnConstraints": "[][][fill]"
 			"$rowConstraints": "[top][top][top][top][top][top][top][top]"
 		} ) {
@@ -30,7 +30,7 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 0"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "plainShowDialogLabel"
 				"optionPane": new FormReference( "plainOptionPane" )
 				"titleLabel": new FormReference( "plainLabel" )
@@ -60,7 +60,7 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 1"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "errorShowDialogLabel"
 				"titleLabel": new FormReference( "errorLabel" )
 				"optionPane": new FormReference( "errorOptionPane" )
@@ -90,7 +90,7 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 2"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "informationShowDialogLabel"
 				"optionPane": new FormReference( "informationOptionPane" )
 				"titleLabel": new FormReference( "informationLabel" )
@@ -120,7 +120,7 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 3"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "questionShowDialogLabel"
 				"optionPane": new FormReference( "questionOptionPane" )
 				"titleLabel": new FormReference( "questionLabel" )
@@ -140,14 +140,14 @@ new FormModel {
 					name: "warningOptionPane"
 					"messageType": 2
 					"optionType": 2
-					"message": "Beware of the dog!"
+					"message": "<html>I like <b>bold</b>,<br> and I like <i>italic</i>,<br> and I like to have<br> many lines.<br> Lots of lines."
 				}, new FormLayoutConstraints( class java.lang.String ) {
 					"value": "Center"
 				} )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 4"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "warningShowDialogLabel"
 				"optionPane": new FormReference( "warningOptionPane" )
 				"titleLabel": new FormReference( "warningLabel" )
@@ -174,7 +174,7 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 5"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "inputShowDialogLabel"
 				"optionPane": new FormReference( "inputOptionPane" )
 				"titleLabel": new FormReference( "inputLabel" )
@@ -202,7 +202,7 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 6"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "inputIconShowDialogLabel"
 				"titleLabel": new FormReference( "inputIconLabel" )
 				"optionPane": new FormReference( "inputIconOptionPane" )
@@ -230,7 +230,7 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 7"
 			} )
-			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+			add( new FormComponent( "com.formdev.flatlaf.testing.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
 				name: "customShowDialogLabel"
 				"optionPane": new FormReference( "customOptionPane" )
 				"titleLabel": new FormReference( "customLabel" )
@@ -239,7 +239,7 @@ new FormModel {
 			} )
 		}, new FormLayoutConstraints( null ) {
 			"location": new java.awt.Point( 0, 0 )
-			"size": new java.awt.Dimension( 790, 840 )
+			"size": new java.awt.Dimension( 790, 920 )
 		} )
 	}
 }

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
 
 import java.awt.*;
 import java.awt.event.ComponentAdapter;
@@ -22,13 +22,20 @@ import java.awt.event.ComponentEvent;
 import java.awt.event.KeyEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
-import java.beans.PropertyChangeEvent;
-import java.beans.PropertyChangeListener;
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
 import java.util.prefs.Preferences;
 import javax.swing.*;
 import javax.swing.plaf.ColorUIResource;
 import javax.swing.plaf.metal.MetalLookAndFeel;
 import javax.swing.plaf.nimbus.NimbusLookAndFeel;
+import com.formdev.flatlaf.FlatDarculaLaf;
+import com.formdev.flatlaf.FlatDarkLaf;
+import com.formdev.flatlaf.FlatIntelliJLaf;
+import com.formdev.flatlaf.FlatLaf;
+import com.formdev.flatlaf.FlatLightLaf;
+import com.formdev.flatlaf.extras.*;
+import com.formdev.flatlaf.extras.TriStateCheckBox.State;
 import com.formdev.flatlaf.ui.FlatUIUtils;
 import com.formdev.flatlaf.util.SystemInfo;
 import com.formdev.flatlaf.util.UIScale;
@@ -45,9 +52,12 @@ public class FlatTestFrame
 	private static final String KEY_SCALE_FACTOR = "scaleFactor";
 
 	private final String title;
+	private Supplier<JComponent> contentFactory;
 	private JComponent content;
 	private FlatInspector inspector;
 
+	public boolean useApplyComponentOrientation;
+
 	public static FlatTestFrame create( String[] args, String title ) {
 		Preferences prefs = Preferences.userRoot().node( PREFS_ROOT_PATH );
 
@@ -205,8 +215,9 @@ public class FlatTestFrame
 			JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT );
 	}
 
-	protected void showFrame( JComponent content ) {
-		this.content = content;
+	public void showFrame( Supplier<JComponent> contentFactory ) {
+		this.contentFactory = contentFactory;
+		this.content = contentFactory.get();
 
 		contentPanel.getContentPane().add( content );
 		pack();
@@ -290,7 +301,15 @@ public class FlatTestFrame
 			boolean explicit = explicitColorsCheckBox.isSelected();
 			ColorUIResource restoreColor = new ColorUIResource( Color.white );
 
-			explicitColors( content, explicit, restoreColor );
+			updateComponentsRecur( content, (c, type) -> {
+				if( type == "view" || type == "tab" ) {
+					c.setForeground( explicit ? Color.magenta : restoreColor );
+					c.setBackground( explicit ? Color.orange : restoreColor );
+				} else {
+					c.setForeground( explicit ? Color.blue : restoreColor );
+					c.setBackground( explicit ? Color.green : restoreColor );
+				}
+			} );
 
 			// because colors may depend on state (e.g. disabled JTextField)
 			// it is best to update all UI delegates to get correct result
@@ -299,78 +318,35 @@ public class FlatTestFrame
 		} );
 	}
 
-	private void explicitColors( Container container, boolean explicit, ColorUIResource restoreColor ) {
-		for( Component c : container.getComponents() ) {
-			if( c instanceof JPanel ) {
-				explicitColors( (JPanel) c, explicit, restoreColor );
-				continue;
-			}
-
-			c.setForeground( explicit ? Color.blue : restoreColor );
-			c.setBackground( explicit ? Color.red : restoreColor );
-
-			if( c instanceof JScrollPane ) {
-				Component view = ((JScrollPane)c).getViewport().getView();
-				if( view != null ) {
-					view.setForeground( explicit ? Color.magenta : restoreColor );
-					view.setBackground( explicit ? Color.orange : restoreColor );
-				}
-			} else if( c instanceof JTabbedPane ) {
-				JTabbedPane tabPane = (JTabbedPane)c;
-				int tabCount = tabPane.getTabCount();
-				for( int i = 0; i < tabCount; i++ ) {
-					Component tab = tabPane.getComponentAt( i );
-					if( tab != null ) {
-						tab.setForeground( explicit ? Color.magenta : restoreColor );
-						tab.setBackground( explicit ? Color.orange : restoreColor );
-					}
-				}
-			}
-
-			if( c instanceof JToolBar )
-				explicitColors( (JToolBar) c, explicit, restoreColor );
-		}
+	private void backgroundChanged() {
+		contentPanel.repaint();
+	}
 
+	boolean isPaintBackgroundPattern() {
+		return backgroundCheckBox.isSelected();
 	}
 
 	private void rightToLeftChanged() {
-		contentPanel.applyComponentOrientation( rightToLeftCheckBox.isSelected()
+		ComponentOrientation orientation = rightToLeftCheckBox.isSelected()
 			? ComponentOrientation.RIGHT_TO_LEFT
-			: ComponentOrientation.LEFT_TO_RIGHT );
+			: ComponentOrientation.LEFT_TO_RIGHT;
+
+		if( useApplyComponentOrientation )
+			content.applyComponentOrientation( orientation );
+		else {
+			updateComponentsRecur( content, (c, type) -> {
+				c.setComponentOrientation( orientation );
+			} );
+		}
 		contentPanel.revalidate();
 		contentPanel.repaint();
 	}
 
 	private void enabledChanged() {
-		enabledDisable( content, enabledCheckBox.isSelected() );
-	}
-
-	private void enabledDisable( Container container, boolean enabled ) {
-		for( Component c : container.getComponents() ) {
-			if( c instanceof JPanel ) {
-				enabledDisable( (JPanel) c, enabled );
-				continue;
-			}
-
+		boolean enabled = enabledCheckBox.isSelected();
+		updateComponentsRecur( content, (c, type) -> {
 			c.setEnabled( enabled );
-
-			if( c instanceof JScrollPane ) {
-				Component view = ((JScrollPane)c).getViewport().getView();
-				if( view != null )
-					view.setEnabled( enabled );
-			} else if( c instanceof JTabbedPane ) {
-				JTabbedPane tabPane = (JTabbedPane)c;
-				int tabCount = tabPane.getTabCount();
-				for( int i = 0; i < tabCount; i++ ) {
-					Component tab = tabPane.getComponentAt( i );
-					if( tab != null )
-						tab.setEnabled( enabled );
-				}
-			}
-
-			if( c instanceof JToolBar )
-				enabledDisable( (JToolBar) c, enabled );
-		}
+		} );
 	}
 
 	private void inspectChanged() {
@@ -404,17 +380,76 @@ public class FlatTestFrame
 		scaleFactorComboBox.setEnabled( !UIScale.isSystemScalingEnabled() && UIManager.getLookAndFeel() instanceof FlatLaf );
 	}
 
+	private void updateComponentsRecur( Container container, BiConsumer<Component, String> action ) {
+		for( Component c : container.getComponents() ) {
+			if( c instanceof JPanel ) {
+				updateComponentsRecur( (JPanel) c, action );
+				continue;
+			}
+
+			action.accept( c, null );
+
+			if( c instanceof JScrollPane ) {
+				Component view = ((JScrollPane)c).getViewport().getView();
+				if( view != null )
+					action.accept( view, "view" );
+			} else if( c instanceof JTabbedPane ) {
+				JTabbedPane tabPane = (JTabbedPane)c;
+				int tabCount = tabPane.getTabCount();
+				for( int i = 0; i < tabCount; i++ ) {
+					Component tab = tabPane.getComponentAt( i );
+					if( tab != null )
+						action.accept( tab, "tab" );
+				}
+			}
+
+			if( c instanceof JToolBar )
+				updateComponentsRecur( (JToolBar) c, action );
+		}
+	}
+
+	private void opaqueChanged() {
+		State opaque = opaqueTriStateCheckBox.getState();
+		if( opaque == State.INDETERMINATE )
+			recreateContent();
+		else {
+			updateComponentsRecur( content, (c, type) -> {
+				if( c instanceof JComponent )
+					((JComponent)c).setOpaque( opaque == State.SELECTED );
+			} );
+			contentPanel.repaint();
+		}
+	}
+
+	private void recreateContent() {
+		contentPanel.getContentPane().remove( content );
+		content = contentFactory.get();
+		contentPanel.getContentPane().add( content );
+
+		if( rightToLeftCheckBox.isSelected() )
+			rightToLeftChanged();
+		if( !enabledCheckBox.isSelected() )
+			enabledChanged();
+		if( explicitColorsCheckBox.isSelected() )
+			explicitColorsChanged();
+
+		contentPanel.revalidate();
+		contentPanel.repaint();
+	}
+
 	private void initComponents() {
 		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
 		dialogPane = new JPanel();
 		contentPanel = new JRootPane();
 		buttonBar = new JPanel();
 		lookAndFeelComboBox = new JComboBox<>();
-		explicitColorsCheckBox = new JCheckBox();
+		scaleFactorComboBox = new JComboBox<>();
 		rightToLeftCheckBox = new JCheckBox();
 		enabledCheckBox = new JCheckBox();
 		inspectCheckBox = new JCheckBox();
-		scaleFactorComboBox = new JComboBox<>();
+		explicitColorsCheckBox = new JCheckBox();
+		backgroundCheckBox = new JCheckBox();
+		opaqueTriStateCheckBox = new TriStateCheckBox();
 		closeButton = new JButton();
 
 		//======== this ========
@@ -430,7 +465,7 @@ public class FlatTestFrame
 			{
 				Container contentPanelContentPane = contentPanel.getContentPane();
 				contentPanelContentPane.setLayout(new MigLayout(
-					"insets dialog,hidemode 3",
+					"insets 0,hidemode 3",
 					// columns
 					"[grow,fill]",
 					// rows
@@ -449,6 +484,8 @@ public class FlatTestFrame
 					"[fill]" +
 					"[fill]" +
 					"[fill]" +
+					"[fill]" +
+					"[fill]" +
 					"[grow,fill]" +
 					"[button,fill]",
 					// rows
@@ -458,11 +495,23 @@ public class FlatTestFrame
 				lookAndFeelComboBox.addActionListener(e -> lookAndFeelChanged());
 				buttonBar.add(lookAndFeelComboBox, "cell 0 0");
 
-				//---- explicitColorsCheckBox ----
-				explicitColorsCheckBox.setText("explicit colors");
-				explicitColorsCheckBox.setMnemonic('X');
-				explicitColorsCheckBox.addActionListener(e -> explicitColorsChanged());
-				buttonBar.add(explicitColorsCheckBox, "cell 1 0");
+				//---- scaleFactorComboBox ----
+				scaleFactorComboBox.setModel(new DefaultComboBoxModel<>(new String[] {
+					"default",
+					"1",
+					"1.25",
+					"1.5",
+					"1.75",
+					"2.0",
+					"2.25",
+					"2.5",
+					"3",
+					"3.5",
+					"4"
+				}));
+				scaleFactorComboBox.setMaximumRowCount(20);
+				scaleFactorComboBox.addActionListener(e -> scaleFactorChanged());
+				buttonBar.add(scaleFactorComboBox, "cell 1 0");
 
 				//---- rightToLeftCheckBox ----
 				rightToLeftCheckBox.setText("right-to-left");
@@ -483,27 +532,27 @@ public class FlatTestFrame
 				inspectCheckBox.addActionListener(e -> inspectChanged());
 				buttonBar.add(inspectCheckBox, "cell 4 0");
 
-				//---- scaleFactorComboBox ----
-				scaleFactorComboBox.setModel(new DefaultComboBoxModel<>(new String[] {
-					"default",
-					"1",
-					"1.25",
-					"1.5",
-					"1.75",
-					"2.0",
-					"2.25",
-					"2.5",
-					"3",
-					"3.5",
-					"4"
-				}));
-				scaleFactorComboBox.setMaximumRowCount(20);
-				scaleFactorComboBox.addActionListener(e -> scaleFactorChanged());
-				buttonBar.add(scaleFactorComboBox, "cell 5 0");
+				//---- explicitColorsCheckBox ----
+				explicitColorsCheckBox.setText("explicit colors");
+				explicitColorsCheckBox.setMnemonic('X');
+				explicitColorsCheckBox.addActionListener(e -> explicitColorsChanged());
+				buttonBar.add(explicitColorsCheckBox, "cell 5 0");
+
+				//---- backgroundCheckBox ----
+				backgroundCheckBox.setText("background");
+				backgroundCheckBox.setMnemonic('B');
+				backgroundCheckBox.addActionListener(e -> backgroundChanged());
+				buttonBar.add(backgroundCheckBox, "cell 6 0");
+
+				//---- opaqueTriStateCheckBox ----
+				opaqueTriStateCheckBox.setText("opaque");
+				opaqueTriStateCheckBox.setMnemonic('O');
+				opaqueTriStateCheckBox.addActionListener(e -> opaqueChanged());
+				buttonBar.add(opaqueTriStateCheckBox, "cell 7 0");
 
 				//---- closeButton ----
 				closeButton.setText("Close");
-				buttonBar.add(closeButton, "cell 7 0");
+				buttonBar.add(closeButton, "cell 9 0");
 			}
 			dialogPane.add(buttonBar, BorderLayout.SOUTH);
 		}
@@ -516,11 +565,13 @@ public class FlatTestFrame
 	private JRootPane contentPanel;
 	private JPanel buttonBar;
 	private JComboBox<LafInfo> lookAndFeelComboBox;
-	private JCheckBox explicitColorsCheckBox;
+	private JComboBox<String> scaleFactorComboBox;
 	private JCheckBox rightToLeftCheckBox;
 	private JCheckBox enabledCheckBox;
 	private JCheckBox inspectCheckBox;
-	private JComboBox<String> scaleFactorComboBox;
+	private JCheckBox explicitColorsCheckBox;
+	private JCheckBox backgroundCheckBox;
+	private TriStateCheckBox opaqueTriStateCheckBox;
 	private JButton closeButton;
 	// JFormDesigner - End of variables declaration  //GEN-END:variables
 

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

@@ -11,7 +11,7 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
 				name: "dialogPane"
 				add( new FormContainer( "javax.swing.JRootPane", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-					"$layoutConstraints": "insets dialog,hidemode 3"
+					"$layoutConstraints": "insets 0,hidemode 3"
 					"$columnConstraints": "[grow,fill]"
 					"$rowConstraints": "[grow,fill]"
 				} ) {
@@ -21,7 +21,7 @@ new FormModel {
 				} )
 				add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 					"$layoutConstraints": "insets dialog"
-					"$columnConstraints": "[fill][fill][fill][fill][fill][fill][grow,fill][button,fill]"
+					"$columnConstraints": "[fill][fill][fill][fill][fill][fill][fill][fill][grow,fill][button,fill]"
 					"$rowSpecs": "[fill]"
 				} ) {
 					name: "buttonBar"
@@ -34,11 +34,27 @@ new FormModel {
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 						"value": "cell 0 0"
 					} )
-					add( new FormComponent( "javax.swing.JCheckBox" ) {
-						name: "explicitColorsCheckBox"
-						"text": "explicit colors"
-						"mnemonic": 88
-						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "explicitColorsChanged", false ) )
+					add( new FormComponent( "javax.swing.JComboBox" ) {
+						name: "scaleFactorComboBox"
+						"model": new javax.swing.DefaultComboBoxModel {
+							selectedItem: "default"
+							addElement( "default" )
+							addElement( "1" )
+							addElement( "1.25" )
+							addElement( "1.5" )
+							addElement( "1.75" )
+							addElement( "2.0" )
+							addElement( "2.25" )
+							addElement( "2.5" )
+							addElement( "3" )
+							addElement( "3.5" )
+							addElement( "4" )
+						}
+						"maximumRowCount": 20
+						auxiliary() {
+							"JavaCodeGenerator.typeParameters": "String"
+						}
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "scaleFactorChanged", false ) )
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 						"value": "cell 1 0"
 					} )
@@ -67,35 +83,35 @@ new FormModel {
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 						"value": "cell 4 0"
 					} )
-					add( new FormComponent( "javax.swing.JComboBox" ) {
-						name: "scaleFactorComboBox"
-						"model": new javax.swing.DefaultComboBoxModel {
-							selectedItem: "default"
-							addElement( "default" )
-							addElement( "1" )
-							addElement( "1.25" )
-							addElement( "1.5" )
-							addElement( "1.75" )
-							addElement( "2.0" )
-							addElement( "2.25" )
-							addElement( "2.5" )
-							addElement( "3" )
-							addElement( "3.5" )
-							addElement( "4" )
-						}
-						"maximumRowCount": 20
-						auxiliary() {
-							"JavaCodeGenerator.typeParameters": "String"
-						}
-						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "scaleFactorChanged", false ) )
+					add( new FormComponent( "javax.swing.JCheckBox" ) {
+						name: "explicitColorsCheckBox"
+						"text": "explicit colors"
+						"mnemonic": 88
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "explicitColorsChanged", false ) )
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 						"value": "cell 5 0"
 					} )
+					add( new FormComponent( "javax.swing.JCheckBox" ) {
+						name: "backgroundCheckBox"
+						"text": "background"
+						"mnemonic": 66
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "backgroundChanged", false ) )
+					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+						"value": "cell 6 0"
+					} )
+					add( new FormComponent( "com.formdev.flatlaf.extras.TriStateCheckBox" ) {
+						name: "opaqueTriStateCheckBox"
+						"text": "opaque"
+						"mnemonic": 79
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "opaqueChanged", false ) )
+					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+						"value": "cell 7 0"
+					} )
 					add( new FormComponent( "javax.swing.JButton" ) {
 						name: "closeButton"
 						"text": "Close"
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-						"value": "cell 7 0"
+						"value": "cell 9 0"
 					} )
 				}, new FormLayoutConstraints( class java.lang.String ) {
 					"value": "South"

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

@@ -14,11 +14,15 @@
  * limitations under the License.
  */
 
-package com.formdev.flatlaf;
+package com.formdev.flatlaf.testing;
+
+import com.formdev.flatlaf.FlatLaf;
 
 /**
  * A Flat LaF that has a test color scheme.
  *
+ * The UI defaults are loaded from FlatTestLaf.properties and FlatLaf.properties
+ *
  * Used to develop Flat LaF.
  *
  * @author Karl Tauber
@@ -35,4 +39,9 @@ public class FlatTestLaf
 	public String getDescription() {
 		return "Flat Test Look and Feel";
 	}
+
+	@Override
+	public boolean isDark() {
+		return false;
+	}
 }

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

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import javax.swing.JPanel;
+import javax.swing.SwingUtilities;
+
+/**
+ * @author Karl Tauber
+ */
+public class FlatTestPanel
+	extends JPanel
+{
+	@Override
+	protected void paintComponent( Graphics g ) {
+		int width = getWidth();
+		int height = getHeight();
+
+		g.setColor( super.getBackground() );
+		g.fillRect( 0, 0, width, height );
+
+		if( isPaintBackgroundPattern() ) {
+			g.setColor( Color.magenta );
+			for( int y = 0; y < height; y += 2 )
+				g.drawLine( 0, y, width - 1, y );
+		}
+	}
+
+	/**
+	 * Overridden to see which components paint background with color from parent.
+	 */
+	@Override
+	public Color getBackground() {
+		return isPaintBackgroundPattern() ? Color.red : super.getBackground();
+	}
+
+	private boolean isPaintBackgroundPattern() {
+		FlatTestFrame frame = (FlatTestFrame) SwingUtilities.getAncestorOfClass( FlatTestFrame.class, this );
+		return frame != null && frame.isPaintBackgroundPattern();
+	}
+}

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/extras/FlatExtrasTest.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.extras;
+
+import javax.swing.*;
+import com.formdev.flatlaf.extras.*;
+import com.formdev.flatlaf.testing.*;
+import net.miginfocom.swing.*;
+
+/**
+ * @author Karl Tauber
+ */
+public class FlatExtrasTest
+	extends FlatTestPanel
+{
+	public static void main( String[] args ) {
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatExtrasTest" );
+			frame.showFrame( FlatExtrasTest::new );
+		} );
+	}
+
+	public FlatExtrasTest() {
+		initComponents();
+
+		triStateLabel1.setText( triStateCheckBox1.getState().toString() );
+		triStateLabel2.setText( triStateCheckBox2.getState().toString() );
+	}
+
+	private void triStateCheckBox1Changed() {
+		triStateLabel1.setText( triStateCheckBox1.getState().toString() );
+	}
+
+	private void triStateCheckBox2Changed() {
+		triStateLabel2.setText( triStateCheckBox2.getState().toString() );
+	}
+
+	private void initComponents() {
+		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
+		label1 = new JLabel();
+		triStateCheckBox1 = new TriStateCheckBox();
+		triStateLabel1 = new JLabel();
+		triStateCheckBox2 = new TriStateCheckBox();
+		triStateLabel2 = new JLabel();
+
+		//======== this ========
+		setLayout(new MigLayout(
+			"ltr,insets dialog,hidemode 3",
+			// columns
+			"[]" +
+			"[]" +
+			"[left]",
+			// rows
+			"[]" +
+			"[]"));
+
+		//---- label1 ----
+		label1.setText("TriStateCheckBox:");
+		add(label1, "cell 0 0");
+
+		//---- triStateCheckBox1 ----
+		triStateCheckBox1.setText("three states");
+		triStateCheckBox1.addActionListener(e -> triStateCheckBox1Changed());
+		add(triStateCheckBox1, "cell 1 0");
+
+		//---- triStateLabel1 ----
+		triStateLabel1.setText("text");
+		add(triStateLabel1, "cell 2 0");
+
+		//---- triStateCheckBox2 ----
+		triStateCheckBox2.setText("third state disabled");
+		triStateCheckBox2.setThirdStateEnabled(false);
+		triStateCheckBox2.addActionListener(e -> triStateCheckBox2Changed());
+		add(triStateCheckBox2, "cell 1 1");
+
+		//---- triStateLabel2 ----
+		triStateLabel2.setText("text");
+		add(triStateLabel2, "cell 2 1");
+		// JFormDesigner - End of component initialization  //GEN-END:initComponents
+	}
+
+	// JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
+	private JLabel label1;
+	private TriStateCheckBox triStateCheckBox1;
+	private JLabel triStateLabel1;
+	private TriStateCheckBox triStateCheckBox2;
+	private JLabel triStateLabel2;
+	// JFormDesigner - End of variables declaration  //GEN-END:variables
+}

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/extras/FlatExtrasTest.jfd

@@ -0,0 +1,50 @@
+JFDML JFormDesigner: "7.0.0.0.194" Java: "11.0.2" encoding: "UTF-8"
+
+new FormModel {
+	contentType: "form/swing"
+	root: new FormRoot {
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
+			"$columnConstraints": "[][][left]"
+			"$rowConstraints": "[][]"
+		} ) {
+			name: "this"
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "label1"
+				"text": "TriStateCheckBox:"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 0"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.extras.TriStateCheckBox" ) {
+				name: "triStateCheckBox1"
+				"text": "three states"
+				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "triStateCheckBox1Changed", false ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 0"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "triStateLabel1"
+				"text": "text"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 0"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.extras.TriStateCheckBox" ) {
+				name: "triStateCheckBox2"
+				"text": "third state disabled"
+				"thirdStateEnabled": false
+				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "triStateCheckBox2Changed", false ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 1"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "triStateLabel2"
+				"text": "text"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 1"
+			} )
+		}, new FormLayoutConstraints( null ) {
+			"location": new java.awt.Point( 0, 0 )
+			"size": new java.awt.Dimension( 400, 300 )
+		} )
+	}
+}

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/jideoss/FlatJideOssTest.java

@@ -0,0 +1,294 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.jideoss;
+
+import static com.formdev.flatlaf.FlatClientProperties.TABBED_PANE_HAS_FULL_BORDER;
+import java.awt.*;
+import javax.swing.*;
+import javax.swing.border.*;
+import com.formdev.flatlaf.testing.*;
+import com.formdev.flatlaf.testing.FlatTestFrame;
+import com.jgoodies.forms.layout.*;
+import com.jidesoft.plaf.LookAndFeelFactory;
+import com.jidesoft.swing.*;
+import net.miginfocom.swing.*;
+
+/**
+ * @author Karl Tauber
+ */
+public class FlatJideOssTest
+	extends FlatTestPanel
+{
+	public static void main( String[] args ) {
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatJideOssTest" );
+			LookAndFeelFactory.installJideExtension();
+			frame.showFrame( FlatJideOssTest::new );
+
+			UIManager.addPropertyChangeListener( e -> {
+				if( "lookAndFeel".equals( e.getPropertyName() ) ) {
+					LookAndFeelFactory.installJideExtension();
+				}
+			} );
+		} );
+	}
+
+	FlatJideOssTest() {
+		initComponents();
+	}
+
+	private void tabScrollChanged() {
+		int tabLayoutPolicy = tabScrollCheckBox.isSelected() ? JTabbedPane.SCROLL_TAB_LAYOUT : JTabbedPane.WRAP_TAB_LAYOUT;
+		tabbedPane1.setTabLayoutPolicy( tabLayoutPolicy );
+		tabbedPane2.setTabLayoutPolicy( tabLayoutPolicy );
+		tabbedPane3.setTabLayoutPolicy( tabLayoutPolicy );
+		tabbedPane4.setTabLayoutPolicy( tabLayoutPolicy );
+	}
+
+	private void hasFullBorderChanged() {
+		Boolean hasFullBorder = hasFullBorderCheckBox.isSelected() ? true : null;
+		tabbedPane1.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane2.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane3.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+		tabbedPane4.putClientProperty( TABBED_PANE_HAS_FULL_BORDER, hasFullBorder );
+	}
+
+	private void moreTabsChanged() {
+		boolean moreTabs = moreTabsCheckBox.isSelected();
+		addRemoveMoreTabs( tabbedPane1, moreTabs );
+		addRemoveMoreTabs( tabbedPane2, moreTabs );
+		addRemoveMoreTabs( tabbedPane3, moreTabs );
+		addRemoveMoreTabs( tabbedPane4, moreTabs );
+	}
+
+	private void addRemoveMoreTabs( JTabbedPane tabbedPane, boolean add ) {
+		if( add ) {
+			tabbedPane.addTab( "Tab 4", new JLabel( "tab 4" ) );
+			tabbedPane.addTab( "Tab 5", new JLabel( "tab 5" ) );
+		} else {
+			int tabCount = tabbedPane.getTabCount();
+			if( tabCount > 3 ) {
+				for( int i = 0; i < 2; i++ )
+					tabbedPane.removeTabAt( tabbedPane.getTabCount() - 1 );
+			}
+		}
+	}
+
+	private void initComponents() {
+		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
+		JPanel panel9 = new JPanel();
+		JLabel tabbedPaneLabel = new JLabel();
+		tabbedPane1 = new JideTabbedPane();
+		JPanel panel1 = new JPanel();
+		JLabel label1 = new JLabel();
+		JPanel panel2 = new JPanel();
+		JLabel label2 = new JLabel();
+		tabbedPane3 = new JideTabbedPane();
+		JPanel panel5 = new JPanel();
+		JLabel label5 = new JLabel();
+		JPanel panel6 = new JPanel();
+		JLabel label6 = new JLabel();
+		tabbedPane2 = new JideTabbedPane();
+		JPanel panel3 = new JPanel();
+		JLabel label3 = new JLabel();
+		JPanel panel4 = new JPanel();
+		JLabel label4 = new JLabel();
+		tabbedPane4 = new JideTabbedPane();
+		JPanel panel7 = new JPanel();
+		JLabel label7 = new JLabel();
+		JPanel panel8 = new JPanel();
+		JLabel label8 = new JLabel();
+		JPanel panel14 = new JPanel();
+		moreTabsCheckBox = new JCheckBox();
+		tabScrollCheckBox = new JCheckBox();
+		hasFullBorderCheckBox = new JCheckBox();
+		CellConstraints cc = new CellConstraints();
+
+		//======== this ========
+		setLayout(new MigLayout(
+			"insets dialog,hidemode 3",
+			// columns
+			"[grow,fill]",
+			// rows
+			"[grow,fill]"));
+
+		//======== panel9 ========
+		{
+			panel9.setOpaque(false);
+			panel9.setLayout(new FormLayout(
+				"70dlu:grow, $lcgap, 70dlu:grow",
+				"pref, 2*($lgap, fill:70dlu:grow), $lgap, pref"));
+
+			//---- tabbedPaneLabel ----
+			tabbedPaneLabel.setText("JideTabbedPane:");
+			panel9.add(tabbedPaneLabel, cc.xy(1, 1));
+
+			//======== tabbedPane1 ========
+			{
+
+				//======== panel1 ========
+				{
+					panel1.setLayout(new FlowLayout());
+
+					//---- label1 ----
+					label1.setText("TOP");
+					panel1.add(label1);
+				}
+				tabbedPane1.addTab("Tab 1", panel1);
+
+				//======== panel2 ========
+				{
+					panel2.setBorder(new LineBorder(Color.magenta));
+					panel2.setLayout(new FlowLayout());
+				}
+				tabbedPane1.addTab("Tab 2", panel2);
+
+				//---- label2 ----
+				label2.setText("text");
+				tabbedPane1.addTab("Tab 3", label2);
+			}
+			panel9.add(tabbedPane1, cc.xy(1, 3));
+
+			//======== tabbedPane3 ========
+			{
+				tabbedPane3.setTabPlacement(SwingConstants.LEFT);
+
+				//======== panel5 ========
+				{
+					panel5.setLayout(new FlowLayout());
+
+					//---- label5 ----
+					label5.setText("LEFT");
+					panel5.add(label5);
+				}
+				tabbedPane3.addTab("Tab 1", panel5);
+
+				//======== panel6 ========
+				{
+					panel6.setBorder(new LineBorder(Color.magenta));
+					panel6.setLayout(new FlowLayout());
+				}
+				tabbedPane3.addTab("Tab 2", panel6);
+
+				//---- label6 ----
+				label6.setText("text");
+				tabbedPane3.addTab("Tab 3", label6);
+			}
+			panel9.add(tabbedPane3, cc.xy(3, 3));
+
+			//======== tabbedPane2 ========
+			{
+				tabbedPane2.setTabPlacement(SwingConstants.BOTTOM);
+
+				//======== panel3 ========
+				{
+					panel3.setLayout(new FlowLayout());
+
+					//---- label3 ----
+					label3.setText("BOTTOM");
+					panel3.add(label3);
+				}
+				tabbedPane2.addTab("Tab 1", panel3);
+
+				//======== panel4 ========
+				{
+					panel4.setBorder(new LineBorder(Color.magenta));
+					panel4.setLayout(new FlowLayout());
+				}
+				tabbedPane2.addTab("Tab 2", panel4);
+				tabbedPane2.setEnabledAt(1, false);
+
+				//---- label4 ----
+				label4.setText("text");
+				tabbedPane2.addTab("Tab 3", label4);
+			}
+			panel9.add(tabbedPane2, cc.xy(1, 5));
+
+			//======== tabbedPane4 ========
+			{
+				tabbedPane4.setTabPlacement(SwingConstants.RIGHT);
+
+				//======== panel7 ========
+				{
+					panel7.setLayout(new FlowLayout());
+
+					//---- label7 ----
+					label7.setText("RIGHT");
+					panel7.add(label7);
+				}
+				tabbedPane4.addTab("Tab 1", panel7);
+
+				//======== panel8 ========
+				{
+					panel8.setBorder(new LineBorder(Color.magenta));
+					panel8.setLayout(new FlowLayout());
+				}
+				tabbedPane4.addTab("Tab 2", panel8);
+
+				//---- label8 ----
+				label8.setText("text");
+				tabbedPane4.addTab("Tab 3", label8);
+			}
+			panel9.add(tabbedPane4, cc.xy(3, 5));
+
+			//======== panel14 ========
+			{
+				panel14.setOpaque(false);
+				panel14.setLayout(new MigLayout(
+					"insets 0,hidemode 3",
+					// columns
+					"[]" +
+					"[]" +
+					"[]",
+					// rows
+					"[center]"));
+
+				//---- moreTabsCheckBox ----
+				moreTabsCheckBox.setText("more tabs");
+				moreTabsCheckBox.setMnemonic('M');
+				moreTabsCheckBox.addActionListener(e -> moreTabsChanged());
+				panel14.add(moreTabsCheckBox, "cell 0 0");
+
+				//---- tabScrollCheckBox ----
+				tabScrollCheckBox.setText("tabLayoutPolicy = SCROLL");
+				tabScrollCheckBox.setMnemonic('S');
+				tabScrollCheckBox.setSelected(true);
+				tabScrollCheckBox.addActionListener(e -> tabScrollChanged());
+				panel14.add(tabScrollCheckBox, "cell 1 0,alignx left,growx 0");
+
+				//---- hasFullBorderCheckBox ----
+				hasFullBorderCheckBox.setText("JTabbedPane.hasFullBorder");
+				hasFullBorderCheckBox.setMnemonic('F');
+				hasFullBorderCheckBox.addActionListener(e -> hasFullBorderChanged());
+				panel14.add(hasFullBorderCheckBox, "cell 2 0,alignx left,growx 0");
+			}
+			panel9.add(panel14, cc.xywh(1, 7, 3, 1));
+		}
+		add(panel9, "cell 0 0");
+		// JFormDesigner - End of component initialization  //GEN-END:initComponents
+	}
+
+	// JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
+	private JideTabbedPane tabbedPane1;
+	private JideTabbedPane tabbedPane3;
+	private JideTabbedPane tabbedPane2;
+	private JideTabbedPane tabbedPane4;
+	private JCheckBox moreTabsCheckBox;
+	private JCheckBox tabScrollCheckBox;
+	private JCheckBox hasFullBorderCheckBox;
+	// JFormDesigner - End of variables declaration  //GEN-END:variables
+}

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/jideoss/FlatJideOssTest.jfd

@@ -0,0 +1,203 @@
+JFDML JFormDesigner: "7.0.0.0.194" Java: "11.0.2" encoding: "UTF-8"
+
+new FormModel {
+	contentType: "form/swing"
+	root: new FormRoot {
+		auxiliary() {
+			"JavaCodeGenerator.defaultVariableLocal": true
+		}
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "insets dialog,hidemode 3"
+			"$columnConstraints": "[grow,fill]"
+			"$rowConstraints": "[grow,fill]"
+		} ) {
+			name: "this"
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class com.jgoodies.forms.layout.FormLayout ) {
+				"$columnSpecs": "70dlu:grow, labelcompgap, 70dlu:grow"
+				"$rowSpecs": "pref, linegap, fill:70dlu:grow, linegap, fill:70dlu:grow, linegap, pref"
+			} ) {
+				name: "panel9"
+				"opaque": false
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "tabbedPaneLabel"
+					"text": "JideTabbedPane:"
+				}, new FormLayoutConstraints( class com.jgoodies.forms.layout.CellConstraints ) {
+					"gridX": 1
+				} )
+				add( new FormContainer( "com.jidesoft.swing.JideTabbedPane", new FormLayoutManager( class javax.swing.JTabbedPane ) ) {
+					name: "tabbedPane1"
+					auxiliary() {
+						"JavaCodeGenerator.variableLocal": false
+					}
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel1"
+						add( new FormComponent( "javax.swing.JLabel" ) {
+							name: "label1"
+							"text": "TOP"
+						} )
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 1"
+					} )
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel2"
+						"border": &LineBorder0 new javax.swing.border.LineBorder( sfield java.awt.Color magenta, 1, false )
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 2"
+					} )
+					add( new FormComponent( "javax.swing.JLabel" ) {
+						name: "label2"
+						"text": "text"
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 3"
+					} )
+				}, new FormLayoutConstraints( class com.jgoodies.forms.layout.CellConstraints ) {
+					"gridX": 1
+					"gridY": 3
+				} )
+				add( new FormContainer( "com.jidesoft.swing.JideTabbedPane", new FormLayoutManager( class javax.swing.JTabbedPane ) ) {
+					name: "tabbedPane3"
+					"tabPlacement": 2
+					auxiliary() {
+						"JavaCodeGenerator.variableLocal": false
+					}
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel5"
+						add( new FormComponent( "javax.swing.JLabel" ) {
+							name: "label5"
+							"text": "LEFT"
+						} )
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 1"
+					} )
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel6"
+						"border": #LineBorder0
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 2"
+					} )
+					add( new FormComponent( "javax.swing.JLabel" ) {
+						name: "label6"
+						"text": "text"
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 3"
+					} )
+				}, new FormLayoutConstraints( class com.jgoodies.forms.layout.CellConstraints ) {
+					"gridX": 3
+					"gridY": 3
+				} )
+				add( new FormContainer( "com.jidesoft.swing.JideTabbedPane", new FormLayoutManager( class javax.swing.JTabbedPane ) ) {
+					name: "tabbedPane2"
+					"tabPlacement": 3
+					auxiliary() {
+						"JavaCodeGenerator.variableLocal": false
+					}
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel3"
+						add( new FormComponent( "javax.swing.JLabel" ) {
+							name: "label3"
+							"text": "BOTTOM"
+						} )
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 1"
+					} )
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel4"
+						"border": #LineBorder0
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 2"
+						"enabled": false
+					} )
+					add( new FormComponent( "javax.swing.JLabel" ) {
+						name: "label4"
+						"text": "text"
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 3"
+					} )
+				}, new FormLayoutConstraints( class com.jgoodies.forms.layout.CellConstraints ) {
+					"gridY": 5
+				} )
+				add( new FormContainer( "com.jidesoft.swing.JideTabbedPane", new FormLayoutManager( class javax.swing.JTabbedPane ) ) {
+					name: "tabbedPane4"
+					"tabPlacement": 4
+					auxiliary() {
+						"JavaCodeGenerator.variableLocal": false
+					}
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel7"
+						add( new FormComponent( "javax.swing.JLabel" ) {
+							name: "label7"
+							"text": "RIGHT"
+						} )
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 1"
+					} )
+					add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.FlowLayout ) ) {
+						name: "panel8"
+						"border": #LineBorder0
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 2"
+					} )
+					add( new FormComponent( "javax.swing.JLabel" ) {
+						name: "label8"
+						"text": "text"
+					}, new FormLayoutConstraints( null ) {
+						"title": "Tab 3"
+					} )
+				}, new FormLayoutConstraints( class com.jgoodies.forms.layout.CellConstraints ) {
+					"gridX": 3
+					"gridY": 5
+				} )
+				add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+					"$layoutConstraints": "insets 0,hidemode 3"
+					"$columnConstraints": "[][][]"
+					"$rowConstraints": "[center]"
+				} ) {
+					name: "panel14"
+					"opaque": false
+					add( new FormComponent( "javax.swing.JCheckBox" ) {
+						name: "moreTabsCheckBox"
+						"text": "more tabs"
+						"mnemonic": 77
+						auxiliary() {
+							"JavaCodeGenerator.variableLocal": false
+						}
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "moreTabsChanged", false ) )
+					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+						"value": "cell 0 0"
+					} )
+					add( new FormComponent( "javax.swing.JCheckBox" ) {
+						name: "tabScrollCheckBox"
+						"text": "tabLayoutPolicy = SCROLL"
+						"mnemonic": 83
+						"selected": true
+						auxiliary() {
+							"JavaCodeGenerator.variableLocal": false
+						}
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "tabScrollChanged", false ) )
+					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+						"value": "cell 1 0,alignx left,growx 0"
+					} )
+					add( new FormComponent( "javax.swing.JCheckBox" ) {
+						name: "hasFullBorderCheckBox"
+						"text": "JTabbedPane.hasFullBorder"
+						"mnemonic": 70
+						auxiliary() {
+							"JavaCodeGenerator.variableLocal": false
+						}
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "hasFullBorderChanged", false ) )
+					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+						"value": "cell 2 0,alignx left,growx 0"
+					} )
+				}, new FormLayoutConstraints( class com.jgoodies.forms.layout.CellConstraints ) {
+					"gridY": 7
+					"gridWidth": 3
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 0"
+			} )
+		}, new FormLayoutConstraints( null ) {
+			"location": new java.awt.Point( 0, 0 )
+			"size": new java.awt.Dimension( 500, 500 )
+		} )
+	}
+}

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/swingx/FlatSwingXDefaultsTestAddon.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx;
+
+import java.io.InputStream;
+import com.formdev.flatlaf.FlatDefaultsAddon;
+
+/**
+ * SwingX addon for FlatLaf for testing.
+ *
+ * @author Karl Tauber
+ */
+public class FlatSwingXDefaultsTestAddon
+	extends FlatDefaultsAddon
+{
+	/**
+	 * Finds SwingX addon .properties file for the given LaF class
+	 * in the same package as this class.
+	 */
+	@Override
+	public InputStream getDefaults( Class<?> lafClass ) {
+		Class<?> addonClass = this.getClass();
+		String propertiesName = "/" + addonClass.getPackage().getName().replace( '.', '/' )
+			+ '/' + lafClass.getSimpleName() + ".properties";
+		return addonClass.getResourceAsStream( propertiesName );
+	}
+}

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/swingx/FlatSwingXTest.java

@@ -0,0 +1,325 @@
+/*
+ * Copyright 2019 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
+ *
+ *     http://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.swingx;
+
+import java.awt.*;
+import java.util.Calendar;
+import java.util.Date;
+import javax.swing.*;
+import net.miginfocom.swing.*;
+import org.jdesktop.swingx.*;
+import com.formdev.flatlaf.testing.FlatTestFrame;
+import com.formdev.flatlaf.testing.FlatTestPanel;
+
+/**
+ * @author Karl Tauber
+ */
+public class FlatSwingXTest
+	extends FlatTestPanel
+{
+	public static void main( String[] args ) {
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatSwingXTest" );
+			frame.useApplyComponentOrientation = true;
+			frame.showFrame( FlatSwingXTest::new );
+		} );
+	}
+
+	FlatSwingXTest() {
+		initComponents();
+
+		Calendar calendar = Calendar.getInstance();
+
+		calendar.set( Calendar.DAY_OF_MONTH, 2 );
+		monthView1.setSelectionDate( calendar.getTime() );
+
+		calendar.set( Calendar.DAY_OF_MONTH, 9 );
+		monthView1.setFlaggedDates( calendar.getTime() );
+
+		calendar.set( Calendar.DAY_OF_MONTH, 16 );
+		monthView1.setUnselectableDates( calendar.getTime() );
+	}
+
+	private void busyChanged() {
+		boolean busy = busyCheckBox.isSelected();
+		xBusyLabel1.setBusy( busy );
+		xBusyLabel2.setBusy( busy );
+	}
+
+	private void initComponents() {
+		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
+		JLabel label1 = new JLabel();
+		JLabel label3 = new JLabel();
+		JLabel datePickerLabel = new JLabel();
+		JXDatePicker xDatePicker1 = new JXDatePicker();
+		JXDatePicker xDatePicker2 = new JXDatePicker();
+		JLabel label4 = new JLabel();
+		JLabel label5 = new JLabel();
+		JXDatePicker xDatePicker3 = new JXDatePicker();
+		JXDatePicker xDatePicker4 = new JXDatePicker();
+		JLabel monthViewLabel = new JLabel();
+		monthView1 = new JXMonthView();
+		monthView2 = new JXMonthView();
+		JLabel hyperlinkLabel = new JLabel();
+		JXHyperlink xHyperlink1 = new JXHyperlink();
+		JXHyperlink xHyperlink2 = new JXHyperlink();
+		JLabel label2 = new JLabel();
+		xBusyLabel1 = new JXBusyLabel();
+		xBusyLabel2 = new JXBusyLabel();
+		busyCheckBox = new JCheckBox();
+		JPanel panel2 = new JPanel();
+		JLabel taskPaneContainerLabel = new JLabel();
+		JLabel taskPaneLabel = new JLabel();
+		JScrollPane scrollPane1 = new JScrollPane();
+		JXTaskPaneContainer xTaskPaneContainer1 = new JXTaskPaneContainer();
+		JXTaskPane xTaskPane3 = new JXTaskPane();
+		JXHyperlink xHyperlink3 = new JXHyperlink();
+		JXHyperlink xHyperlink4 = new JXHyperlink();
+		JXHyperlink xHyperlink5 = new JXHyperlink();
+		JXTaskPane xTaskPane4 = new JXTaskPane();
+		JXHyperlink xHyperlink6 = new JXHyperlink();
+		JXHyperlink xHyperlink7 = new JXHyperlink();
+		JXTaskPane xTaskPane5 = new JXTaskPane();
+		JXHyperlink xHyperlink8 = new JXHyperlink();
+		JXTaskPane xTaskPane6 = new JXTaskPane();
+		JXHyperlink xHyperlink9 = new JXHyperlink();
+		JXHyperlink xHyperlink10 = new JXHyperlink();
+		JLabel headerLabel = new JLabel();
+		JXHeader xHeader1 = new JXHeader();
+
+		//======== this ========
+		setLayout(new MigLayout(
+			"ltr,insets dialog,hidemode 3",
+			// columns
+			"[left]" +
+			"[]" +
+			"[]" +
+			"[fill]",
+			// rows
+			"[]0" +
+			"[]" +
+			"[]0" +
+			"[]" +
+			"[]" +
+			"[]" +
+			"[]" +
+			"[]"));
+
+		//---- label1 ----
+		label1.setText("enabled");
+		add(label1, "cell 1 0");
+
+		//---- label3 ----
+		label3.setText("disabled");
+		add(label3, "cell 2 0");
+
+		//---- datePickerLabel ----
+		datePickerLabel.setText("JXDatePicker:");
+		add(datePickerLabel, "cell 0 1");
+		add(xDatePicker1, "cell 1 1");
+
+		//---- xDatePicker2 ----
+		xDatePicker2.setEnabled(false);
+		add(xDatePicker2, "cell 2 1");
+
+		//---- label4 ----
+		label4.setText("not editable");
+		add(label4, "cell 1 2");
+
+		//---- label5 ----
+		label5.setText("not editable disabled");
+		add(label5, "cell 2 2");
+
+		//---- xDatePicker3 ----
+		xDatePicker3.setEditable(false);
+		add(xDatePicker3, "cell 1 3");
+
+		//---- xDatePicker4 ----
+		xDatePicker4.setEnabled(false);
+		xDatePicker4.setEditable(false);
+		add(xDatePicker4, "cell 2 3");
+
+		//---- monthViewLabel ----
+		monthViewLabel.setText("JXMonthView:");
+		add(monthViewLabel, "cell 0 4,aligny top,growy 0");
+
+		//---- monthView1 ----
+		monthView1.setTraversable(true);
+		monthView1.setShowingLeadingDays(true);
+		monthView1.setShowingTrailingDays(true);
+		monthView1.setShowingWeekNumber(true);
+		add(monthView1, "cell 1 4");
+
+		//---- monthView2 ----
+		monthView2.setTraversable(true);
+		monthView2.setShowingLeadingDays(true);
+		monthView2.setShowingTrailingDays(true);
+		monthView2.setShowingWeekNumber(true);
+		monthView2.setEnabled(false);
+		add(monthView2, "cell 2 4");
+
+		//---- hyperlinkLabel ----
+		hyperlinkLabel.setText("JXHyperlink:");
+		add(hyperlinkLabel, "cell 0 5");
+
+		//---- xHyperlink1 ----
+		xHyperlink1.setText("enabled");
+		add(xHyperlink1, "cell 1 5");
+
+		//---- xHyperlink2 ----
+		xHyperlink2.setText("disabled");
+		xHyperlink2.setEnabled(false);
+		add(xHyperlink2, "cell 2 5");
+
+		//---- label2 ----
+		label2.setText("JXBusyLabel:");
+		add(label2, "cell 0 6");
+
+		//---- xBusyLabel1 ----
+		xBusyLabel1.setText("enabled");
+		add(xBusyLabel1, "cell 1 6");
+
+		//---- xBusyLabel2 ----
+		xBusyLabel2.setText("disabled");
+		xBusyLabel2.setEnabled(false);
+		add(xBusyLabel2, "cell 2 6,growx");
+
+		//---- busyCheckBox ----
+		busyCheckBox.setText("busy");
+		busyCheckBox.setMnemonic('Y');
+		busyCheckBox.addActionListener(e -> busyChanged());
+		add(busyCheckBox, "cell 2 6");
+
+		//======== panel2 ========
+		{
+			panel2.setLayout(new MigLayout(
+				"ltr,insets 0,hidemode 3",
+				// columns
+				"[fill]",
+				// rows
+				"[]" +
+				"[]" +
+				"[]"));
+
+			//---- taskPaneContainerLabel ----
+			taskPaneContainerLabel.setText("JXTaskPaneContainer:");
+			panel2.add(taskPaneContainerLabel, "cell 0 0");
+
+			//---- taskPaneLabel ----
+			taskPaneLabel.setText("JXTaskPane:");
+			panel2.add(taskPaneLabel, "cell 0 1");
+
+			//======== scrollPane1 ========
+			{
+
+				//======== xTaskPaneContainer1 ========
+				{
+
+					//======== xTaskPane3 ========
+					{
+						xTaskPane3.setTitle("Basic Tasks");
+						Container xTaskPane3ContentPane = xTaskPane3.getContentPane();
+
+						//---- xHyperlink3 ----
+						xHyperlink3.setText("New");
+						xTaskPane3ContentPane.add(xHyperlink3);
+
+						//---- xHyperlink4 ----
+						xHyperlink4.setText("Open");
+						xTaskPane3ContentPane.add(xHyperlink4);
+
+						//---- xHyperlink5 ----
+						xHyperlink5.setText("Save");
+						xTaskPane3ContentPane.add(xHyperlink5);
+					}
+					xTaskPaneContainer1.add(xTaskPane3);
+
+					//======== xTaskPane4 ========
+					{
+						xTaskPane4.setTitle("Other Tasks");
+						xTaskPane4.setIcon(UIManager.getIcon("Tree.closedIcon"));
+						Container xTaskPane4ContentPane = xTaskPane4.getContentPane();
+
+						//---- xHyperlink6 ----
+						xHyperlink6.setText("Duplicate");
+						xTaskPane4ContentPane.add(xHyperlink6);
+
+						//---- xHyperlink7 ----
+						xHyperlink7.setText("Delete");
+						xTaskPane4ContentPane.add(xHyperlink7);
+					}
+					xTaskPaneContainer1.add(xTaskPane4);
+
+					//======== xTaskPane5 ========
+					{
+						xTaskPane5.setTitle("Special Tasks");
+						xTaskPane5.setSpecial(true);
+						Container xTaskPane5ContentPane = xTaskPane5.getContentPane();
+
+						//---- xHyperlink8 ----
+						xHyperlink8.setText("Go to space");
+						xTaskPane5ContentPane.add(xHyperlink8);
+					}
+					xTaskPaneContainer1.add(xTaskPane5);
+
+					//======== xTaskPane6 ========
+					{
+						xTaskPane6.setTitle("Collapsed");
+						xTaskPane6.setCollapsed(true);
+						Container xTaskPane6ContentPane = xTaskPane6.getContentPane();
+
+						//---- xHyperlink9 ----
+						xHyperlink9.setText("text");
+						xTaskPane6ContentPane.add(xHyperlink9);
+
+						//---- xHyperlink10 ----
+						xHyperlink10.setText("text");
+						xTaskPane6ContentPane.add(xHyperlink10);
+					}
+					xTaskPaneContainer1.add(xTaskPane6);
+				}
+				scrollPane1.setViewportView(xTaskPaneContainer1);
+			}
+			panel2.add(scrollPane1, "cell 0 2,width 150,height 350");
+		}
+		add(panel2, "cell 3 0 1 8,aligny top,growy 0");
+
+		//---- headerLabel ----
+		headerLabel.setText("JXHeader:");
+		add(headerLabel, "cell 0 7,aligny top,growy 0");
+
+		//---- xHeader1 ----
+		xHeader1.setTitle("Title");
+		xHeader1.setDescription("Description\nMore description");
+		xHeader1.setIcon(new ImageIcon(getClass().getResource("/org/jdesktop/swingx/plaf/windows/resources/tipoftheday.png")));
+		add(xHeader1, "cell 1 7 2 1,width 200");
+		// JFormDesigner - End of component initialization  //GEN-END:initComponents
+
+		xDatePicker1.setDate( new Date() );
+		xDatePicker2.setDate( new Date() );
+		xDatePicker3.setDate( new Date() );
+		xDatePicker4.setDate( new Date() );
+	}
+
+	// JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
+	private JXMonthView monthView1;
+	private JXMonthView monthView2;
+	private JXBusyLabel xBusyLabel1;
+	private JXBusyLabel xBusyLabel2;
+	private JCheckBox busyCheckBox;
+	// JFormDesigner - End of variables declaration  //GEN-END:variables
+}