HTML: Fixed font sizes for HTML tags <h1>...<h6>, <code>, <kbd>, <big>, <small> and <samp> in HTML text for components Button, CheckBox, RadioButton, MenuItem (and subclasses), JideLabel, JideButton, JXBusyLabel and JXHyperlink. Also fixed for Label and ToolTip if using Java 11+.

CHANGELOG.md

@@ -14,6 +14,10 @@ FlatLaf Change Log
 - FlatLaf window decorations: Window top border on Windows 10 in "full window
   content" mode was not fully repainted when activating or deactivating window.
   (issue #809)
+- HTML: Fixed font sizes for HTML tags `<h1>`...`<h6>`, `<code>`, `<kbd>`,
+  `<big>`, `<small>` and `<samp>` in HTML text for components Button, CheckBox,
+  RadioButton, MenuItem (and subclasses), JideLabel, JideButton, JXBusyLabel and
+  JXHyperlink. Also fixed for Label and ToolTip if using Java 11+.
 
 #### Incompatibilities
 

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

@@ -300,6 +300,10 @@ public class FlatButtonUI
 
 	protected void propertyChange( AbstractButton b, PropertyChangeEvent e ) {
 		switch( e.getPropertyName() ) {
+			case BasicHTML.propertyKey:
+				FlatHTML.updateRendererCSSFontBaseSize( b );
+				break;
+
 			case SQUARE_SIZE:
 			case MINIMUM_WIDTH:
 			case MINIMUM_HEIGHT:

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

@@ -23,6 +23,7 @@ import java.lang.invoke.MethodHandles;
 import java.util.Map;
 import javax.swing.Icon;
 import javax.swing.JComponent;
+import javax.swing.JMenuItem;
 import javax.swing.LookAndFeel;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicCheckBoxMenuItemUI;
@@ -102,13 +103,23 @@ public class FlatCheckBoxMenuItemUI
 		oldStyleValues = null;
 	}
 
+	@Override
+	protected void installComponents( JMenuItem menuItem ) {
+		super.installComponents( menuItem );
+
+		// update HTML renderer if necessary
+		FlatHTML.updateRendererCSSFontBaseSize( menuItem );
+	}
+
 	protected FlatMenuItemRenderer createRenderer() {
 		return new FlatMenuItemRenderer( menuItem, checkIcon, arrowIcon, acceleratorFont, acceleratorDelimiter );
 	}
 
 	@Override
 	protected PropertyChangeListener createPropertyChangeListener( JComponent c ) {
-		return FlatStylingSupport.createPropertyChangeListener( c, this::installStyle, super.createPropertyChangeListener( c ) );
+		return FlatHTML.createPropertyChangeListener(
+			FlatStylingSupport.createPropertyChangeListener( c, this::installStyle,
+				super.createPropertyChangeListener( c ) ) );
 	}
 
 	/** @since 2 */

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

@@ -0,0 +1,133 @@
+/*
+ * Copyright 2024 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.ui;
+
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import javax.swing.JComponent;
+import javax.swing.plaf.basic.BasicHTML;
+import javax.swing.text.Document;
+import javax.swing.text.LabelView;
+import javax.swing.text.View;
+import javax.swing.text.html.HTMLDocument;
+import javax.swing.text.html.StyleSheet;
+
+/**
+ * @author Karl Tauber
+ * @since 3.5
+ */
+public class FlatHTML
+{
+	private FlatHTML() {}
+
+	/**
+	 * Adds CSS rule BASE_SIZE to the style sheet of the HTML view,
+	 * which re-calculates font sizes based on current component font size.
+	 * This is necessary for "absolute-size" keywords (e.g. "x-large")
+	 * for "font-size" attributes in default style sheet (see javax/swing/text/html/default.css).
+	 * See also <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/font-size?retiredLocale=de#values">CSS font-size</a>.
+	 * <p>
+	 * This method should be invoked after {@link BasicHTML#updateRenderer(JComponent, String)}.
+	 */
+	public static void updateRendererCSSFontBaseSize( JComponent c ) {
+		View view = (View) c.getClientProperty( BasicHTML.propertyKey );
+		if( view == null )
+			return;
+
+//		dumpViews( view, 0 );
+
+		Document doc = view.getDocument();
+		if( !(doc instanceof HTMLDocument) )
+			return;
+
+		// add BASE_SIZE rule if necessary
+		//  - if point size at index 7 is not 36, then probably HTML text contains BASE_SIZE rule
+		//  - if point size at index 4 is equal to given font size, then it is not necessary to add BASE_SIZE rule
+		StyleSheet styleSheet = ((HTMLDocument)doc).getStyleSheet();
+		int fontBaseSize = c.getFont().getSize();
+		if( styleSheet.getPointSize( 7 ) != 36f ||
+			styleSheet.getPointSize( 4 ) == fontBaseSize )
+		  return;
+
+		// BASE_SIZE rule is parsed in javax.swing.text.html.StyleSheet.addRule()
+		styleSheet.addRule( "BASE_SIZE " + fontBaseSize );
+		clearViewCaches( view );
+
+//		dumpViews( view, 0 );
+	}
+
+	/**
+	 * Clears cached values in view so that CSS changes take effect.
+	 */
+	private static void clearViewCaches( View view ) {
+		if( view instanceof LabelView )
+			((LabelView)view).changedUpdate( null, null, null );
+
+		int viewCount = view.getViewCount();
+		for( int i = 0; i < viewCount; i++ )
+			clearViewCaches( view.getView( i ) );
+	}
+
+	public static PropertyChangeListener createPropertyChangeListener( PropertyChangeListener superListener ) {
+		return e -> {
+			if( superListener != null )
+				superListener.propertyChange( e );
+			propertyChange( e );
+		};
+	}
+
+	/**
+	 * Invokes {@link #updateRendererCSSFontBaseSize(JComponent)}
+	 * for {@link BasicHTML#propertyKey} property change events,
+	 * which are fired when {@link BasicHTML#updateRenderer(JComponent, String)}
+	 * updates the HTML view.
+	 */
+	public static void propertyChange( PropertyChangeEvent e ) {
+		if( BasicHTML.propertyKey.equals( e.getPropertyName() ) )
+			FlatHTML.updateRendererCSSFontBaseSize( (JComponent) e.getSource() );
+	}
+
+/*debug
+	public static void dumpView( JComponent c ) {
+		View view = (View) c.getClientProperty( BasicHTML.propertyKey );
+		if( view != null )
+			dumpViews( view, 0 );
+	}
+
+	public static void dumpViews( View view, int indent ) {
+		for( int i = 0; i < indent; i++ )
+			System.out.print( "    " );
+		System.out.print( view.getClass().isAnonymousClass() ? view.getClass().getName() : view.getClass().getSimpleName() );
+		if( view instanceof LabelView ) {
+			LabelView lview = ((LabelView)view);
+			Font font = lview.getFont();
+			Color foreground = lview.getForeground();
+			System.out.printf( "  %2d-%-2d  %-14s %d  #%06x",
+				lview.getStartOffset(), lview.getEndOffset() - 1,
+				font.getName(), font.getSize(),
+				foreground.getRGB() & 0xffffff );
+		}
+		System.out.println();
+
+		int viewCount = view.getViewCount();
+		for( int i = 0; i < viewCount; i++ ) {
+			View child = view.getView( i );
+			dumpViews( child, indent + 1 );
+		}
+	}
+debug*/
+}

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

@@ -22,11 +22,7 @@ import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.Rectangle;
 import java.beans.PropertyChangeEvent;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Locale;
 import java.util.Map;
-import java.util.Set;
 import javax.swing.Icon;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
@@ -113,16 +109,13 @@ public class FlatLabelUI
 		super.installComponents( c );
 
 		// update HTML renderer if necessary
-		updateHTMLRenderer( c, c.getText(), false );
+		FlatHTML.updateRendererCSSFontBaseSize( c );
 	}
 
 	@Override
 	public void propertyChange( PropertyChangeEvent e ) {
 		String name = e.getPropertyName();
-		if( name == "text" || name == "font" || name == "foreground" ) {
-			JLabel label = (JLabel) e.getSource();
-			updateHTMLRenderer( label, label.getText(), true );
-		} else if( name.equals( FlatClientProperties.STYLE ) || name.equals( FlatClientProperties.STYLE_CLASS ) ) {
+		if( name.equals( FlatClientProperties.STYLE ) || name.equals( FlatClientProperties.STYLE_CLASS ) ) {
 			JLabel label = (JLabel) e.getSource();
 			if( shared && FlatStylingSupport.hasStyleProperty( label ) ) {
 				// unshare component UI if necessary
@@ -132,8 +125,10 @@ public class FlatLabelUI
 				installStyle( label );
 			label.revalidate();
 			label.repaint();
-		} else
+		}
+
 		super.propertyChange( e );
+		FlatHTML.propertyChange( e );
 	}
 
 	/** @since 2 */
@@ -168,85 +163,6 @@ public class FlatLabelUI
 		return FlatStylingSupport.getAnnotatedStyleableValue( this, key );
 	}
 
-	/**
-	 * Checks whether text contains HTML tags that use "absolute-size" keywords
-	 * (e.g. "x-large") for font-size in default style sheet
-	 * (see javax/swing/text/html/default.css).
-	 * If yes, adds a special CSS rule (BASE_SIZE) to the HTML text, which
-	 * re-calculates font sizes based on current component font size.
-	 */
-	static void updateHTMLRenderer( JComponent c, String text, boolean always ) {
-		if( BasicHTML.isHTMLString( text ) &&
-			c.getClientProperty( "html.disable" ) != Boolean.TRUE &&
-			needsFontBaseSize( text ) )
-		{
-			// BASE_SIZE rule is parsed in javax.swing.text.html.StyleSheet.addRule()
-			String style = "<style>BASE_SIZE " + c.getFont().getSize() + "</style>";
-
-			String lowerText = text.toLowerCase( Locale.ENGLISH );
-			int headIndex;
-			int styleIndex;
-
-			int insertIndex;
-			if( (headIndex = lowerText.indexOf( "<head>" )) >= 0 ) {
-				// there is a <head> tag --> insert after <head> tag
-				insertIndex = headIndex + "<head>".length();
-			} else if( (styleIndex = lowerText.indexOf( "<style>" )) >= 0 ) {
-				// there is a <style> tag --> insert before <style> tag
-				insertIndex = styleIndex;
-			} else {
-				// no <head> or <style> tag --> insert <head> tag after <html> tag
-				style = "<head>" + style + "</head>";
-				insertIndex = "<html>".length();
-			}
-
-			text = text.substring( 0, insertIndex )
-				+ style
-				+ text.substring( insertIndex );
-		} else if( !always )
-			return; // not necessary to invoke BasicHTML.updateRenderer()
-
-		BasicHTML.updateRenderer( c, text );
-	}
-
-	private static Set<String> tagsUseFontSizeSet;
-
-	private static boolean needsFontBaseSize( String text ) {
-		if( tagsUseFontSizeSet == null ) {
-			// tags that use font-size in javax/swing/text/html/default.css
-			tagsUseFontSizeSet = new HashSet<>( Arrays.asList(
-				"h1", "h2", "h3", "h4", "h5", "h6", "code", "kbd", "big", "small", "samp" ) );
-		}
-
-		// search for tags in HTML text
-		int textLength = text.length();
-		for( int i = 6; i < textLength - 1; i++ ) {
-			if( text.charAt( i ) == '<' ) {
-				switch( text.charAt( i + 1 ) ) {
-					// first letters of tags in tagsUseFontSizeSet
-					case 'b': case 'B':
-					case 'c': case 'C':
-					case 'h': case 'H':
-					case 'k': case 'K':
-					case 's': case 'S':
-						int tagBegin = i + 1;
-						for( i += 2; i < textLength; i++ ) {
-							if( !Character.isLetterOrDigit( text.charAt( i ) ) ) {
-								String tag = text.substring( tagBegin, i ).toLowerCase( Locale.ENGLISH );
-								if( tagsUseFontSizeSet.contains( tag ) )
-									return true;
-
-								break;
-							}
-						}
-						break;
-				}
-			}
-		}
-
-		return false;
-	}
-
 	@Override
 	public void update( Graphics g, JComponent c ) {
 		FlatPanelUI.fillRoundedBackground( g, c, arc );

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

@@ -103,13 +103,23 @@ public class FlatMenuItemUI
 		oldStyleValues = null;
 	}
 
+	@Override
+	protected void installComponents( JMenuItem menuItem ) {
+		super.installComponents( menuItem );
+
+		// update HTML renderer if necessary
+		FlatHTML.updateRendererCSSFontBaseSize( menuItem );
+	}
+
 	protected FlatMenuItemRenderer createRenderer() {
 		return new FlatMenuItemRenderer( menuItem, checkIcon, arrowIcon, acceleratorFont, acceleratorDelimiter );
 	}
 
 	@Override
 	protected PropertyChangeListener createPropertyChangeListener( JComponent c ) {
-		return FlatStylingSupport.createPropertyChangeListener( c, this::installStyle, super.createPropertyChangeListener( c ) );
+		return FlatHTML.createPropertyChangeListener(
+			FlatStylingSupport.createPropertyChangeListener( c, this::installStyle,
+				super.createPropertyChangeListener( c ) ) );
 	}
 
 	/** @since 2 */

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

@@ -136,6 +136,14 @@ public class FlatMenuUI
 		oldStyleValues = null;
 	}
 
+	@Override
+	protected void installComponents( JMenuItem menuItem ) {
+		super.installComponents( menuItem );
+
+		// update HTML renderer if necessary
+		FlatHTML.updateRendererCSSFontBaseSize( menuItem );
+	}
+
 	protected FlatMenuItemRenderer createRenderer() {
 		return new FlatMenuRenderer( menuItem, checkIcon, arrowIcon, acceleratorFont, acceleratorDelimiter );
 	}
@@ -167,7 +175,9 @@ public class FlatMenuUI
 
 	@Override
 	protected PropertyChangeListener createPropertyChangeListener( JComponent c ) {
-		return FlatStylingSupport.createPropertyChangeListener( c, this::installStyle, super.createPropertyChangeListener( c ) );
+		return FlatHTML.createPropertyChangeListener(
+			FlatStylingSupport.createPropertyChangeListener( c, this::installStyle,
+				super.createPropertyChangeListener( c ) ) );
 	}
 
 	/** @since 2 */

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

@@ -23,6 +23,7 @@ import java.lang.invoke.MethodHandles;
 import java.util.Map;
 import javax.swing.Icon;
 import javax.swing.JComponent;
+import javax.swing.JMenuItem;
 import javax.swing.LookAndFeel;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicMenuItemUI;
@@ -102,13 +103,23 @@ public class FlatRadioButtonMenuItemUI
 		oldStyleValues = null;
 	}
 
+	@Override
+	protected void installComponents( JMenuItem menuItem ) {
+		super.installComponents( menuItem );
+
+		// update HTML renderer if necessary
+		FlatHTML.updateRendererCSSFontBaseSize( menuItem );
+	}
+
 	protected FlatMenuItemRenderer createRenderer() {
 		return new FlatMenuItemRenderer( menuItem, checkIcon, arrowIcon, acceleratorFont, acceleratorDelimiter );
 	}
 
 	@Override
 	protected PropertyChangeListener createPropertyChangeListener( JComponent c ) {
-		return FlatStylingSupport.createPropertyChangeListener( c, this::installStyle, super.createPropertyChangeListener( c ) );
+		return FlatHTML.createPropertyChangeListener(
+			FlatStylingSupport.createPropertyChangeListener( c, this::installStyle,
+				super.createPropertyChangeListener( c ) ) );
 	}
 
 	/** @since 2 */

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

@@ -40,6 +40,7 @@ import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicButtonListener;
+import javax.swing.plaf.basic.BasicHTML;
 import javax.swing.plaf.basic.BasicRadioButtonUI;
 import com.formdev.flatlaf.FlatClientProperties;
 import com.formdev.flatlaf.icons.FlatCheckBoxIcon;
@@ -159,6 +160,10 @@ public class FlatRadioButtonUI
 	/** @since 2 */
 	protected void propertyChange( AbstractButton b, PropertyChangeEvent e ) {
 		switch( e.getPropertyName() ) {
+			case BasicHTML.propertyKey:
+				FlatHTML.updateRendererCSSFontBaseSize( b );
+				break;
+
 			case FlatClientProperties.STYLE:
 			case FlatClientProperties.STYLE_CLASS:
 				if( shared && FlatStylingSupport.hasStyleProperty( b ) ) {

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

@@ -61,7 +61,7 @@ public class FlatToolTipUI
 		super.installUI( c );
 
 		// update HTML renderer if necessary
-		FlatLabelUI.updateHTMLRenderer( c, ((JToolTip)c).getTipText(), false );
+		FlatHTML.updateRendererCSSFontBaseSize( c );
 	}
 
 	@Override
@@ -81,11 +81,7 @@ public class FlatToolTipUI
 	/** @since 2.0.1 */
 	@Override
 	public void propertyChange( PropertyChangeEvent e ) {
-		String name = e.getPropertyName();
-		if( name == "tiptext" || name == "font" || name == "foreground" ) {
-			JToolTip toolTip = (JToolTip) e.getSource();
-			FlatLabelUI.updateHTMLRenderer( toolTip, toolTip.getTipText(), false );
-		}
+		FlatHTML.propertyChange( e );
 	}
 
 	@Override

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

@@ -16,9 +16,14 @@
 
 package com.formdev.flatlaf.jideoss.ui;
 
+import java.beans.PropertyChangeEvent;
+import javax.swing.AbstractButton;
 import javax.swing.JComponent;
 import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.basic.BasicButtonListener;
+import com.formdev.flatlaf.ui.FlatHTML;
 import com.jidesoft.plaf.LookAndFeelFactory;
+import com.jidesoft.plaf.basic.BasicJideButtonListener;
 import com.jidesoft.plaf.basic.BasicJideButtonUI;
 
 /**
@@ -37,4 +42,26 @@ public class FlatJideButtonUI
 
 		return new FlatJideButtonUI();
 	}
+
+	@Override
+	protected BasicButtonListener createButtonListener( AbstractButton b ) {
+		return new FlatJideButtonListener( b );
+	}
+
+	//---- class FlatJideButtonListener ---------------------------------------
+
+	/** @since 3.5 */
+	protected class FlatJideButtonListener
+		extends BasicJideButtonListener
+	{
+		protected FlatJideButtonListener( AbstractButton b ) {
+			super( b );
+		}
+
+		@Override
+		public void propertyChange( PropertyChangeEvent e ) {
+			super.propertyChange( e );
+			FlatHTML.propertyChange( e );
+		}
+	}
 }

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

@@ -18,11 +18,13 @@ package com.formdev.flatlaf.jideoss.ui;
 
 import java.awt.Color;
 import java.awt.Graphics;
+import java.beans.PropertyChangeEvent;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import com.formdev.flatlaf.FlatLaf;
+import com.formdev.flatlaf.ui.FlatHTML;
 import com.formdev.flatlaf.ui.FlatUIUtils;
 import com.jidesoft.plaf.LookAndFeelFactory;
 import com.jidesoft.plaf.basic.BasicJideLabelUI;
@@ -65,6 +67,20 @@ public class FlatJideLabelUI
 		defaults_initialized = false;
 	}
 
+	@Override
+	protected void installComponents( JLabel c ) {
+		super.installComponents( c );
+
+		// update HTML renderer if necessary
+		FlatHTML.updateRendererCSSFontBaseSize( c );
+	}
+
+	@Override
+	public void propertyChange( PropertyChangeEvent e ) {
+		super.propertyChange( e );
+		FlatHTML.propertyChange( e );
+	}
+
 	@Override
 	protected void paintEnabledText( JLabel l, Graphics g, String s, int textX, int textY ) {
 		int mnemIndex = FlatLaf.isShowMnemonics() ? l.getDisplayedMnemonicIndex() : -1;

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

@@ -18,6 +18,7 @@ package com.formdev.flatlaf.swingx.ui;
 
 import java.awt.Color;
 import java.awt.Graphics;
+import java.beans.PropertyChangeEvent;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.UIManager;
@@ -25,6 +26,7 @@ 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.FlatHTML;
 import com.formdev.flatlaf.ui.FlatUIUtils;
 
 //TODO scale busy spinner
@@ -70,6 +72,20 @@ public class FlatBusyLabelUI
 		disabledForeground = null;
 	}
 
+	@Override
+	protected void installComponents( JLabel c ) {
+		super.installComponents( c );
+
+		// update HTML renderer if necessary
+		FlatHTML.updateRendererCSSFontBaseSize( c );
+	}
+
+	@Override
+	public void propertyChange( PropertyChangeEvent e ) {
+		super.propertyChange( e );
+		FlatHTML.propertyChange( e );
+	}
+
 	@Override
 	protected void paintDisabledText( JLabel l, Graphics g, String s, int textX, int textY ) {
 		int mnemIndex = FlatLaf.isShowMnemonics() ? l.getDisplayedMnemonicIndex() : -1;

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

@@ -21,12 +21,15 @@ import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.Rectangle;
 import java.awt.geom.Rectangle2D;
+import java.beans.PropertyChangeEvent;
 import javax.swing.AbstractButton;
 import javax.swing.JComponent;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.basic.BasicButtonListener;
 import org.jdesktop.swingx.plaf.basic.BasicHyperlinkUI;
 import com.formdev.flatlaf.ui.FlatButtonUI;
+import com.formdev.flatlaf.ui.FlatHTML;
 import com.formdev.flatlaf.ui.FlatUIUtils;
 import com.formdev.flatlaf.util.UIScale;
 
@@ -60,6 +63,11 @@ public class FlatHyperlinkUI
 		disabledText = null;
 	}
 
+	@Override
+	protected BasicButtonListener createButtonListener( AbstractButton b ) {
+		return new FlatHyperlinkListener( b );
+	}
+
 	@Override
 	protected void paintText( Graphics g, AbstractButton b, Rectangle textRect, String text ) {
 		FlatButtonUI.paintText( g, b, textRect, text, b.isEnabled() ? b.getForeground() : disabledText );
@@ -79,4 +87,21 @@ public class FlatHyperlinkUI
 
 		FlatUIUtils.resetRenderingHints( g, oldRenderingHints );
 	}
+
+	//---- class FlatHyperlinkListener ----------------------------------------
+
+	/** @since 3.5 */
+	protected class FlatHyperlinkListener
+		extends BasicHyperlinkListener
+	{
+		protected FlatHyperlinkListener( AbstractButton b ) {
+			super( b );
+		}
+
+		@Override
+		public void propertyChange( PropertyChangeEvent e ) {
+			super.propertyChange( e );
+			FlatHTML.propertyChange( e );
+		}
+	}
 }

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

@@ -18,8 +18,10 @@ package com.formdev.flatlaf.testing;
 
 import java.awt.*;
 import javax.swing.*;
+import javax.swing.text.JTextComponent;
 import com.formdev.flatlaf.util.StringUtils;
 import com.formdev.flatlaf.util.UIScale;
+import com.jidesoft.swing.*;
 import net.miginfocom.swing.*;
 import org.jdesktop.swingx.*;
 
@@ -53,6 +55,58 @@ public class FlatHtmlTest
 		increaseFontSize();
 	}
 
+	private void changeHtmlText() {
+		changeHtmlText( this );
+	}
+
+	private void changeHtmlText( Component c ) {
+		if( c instanceof AbstractButton )
+			((AbstractButton)c).setText( changeHtmlText( ((AbstractButton)c).getText() ) );
+		else if( c instanceof JLabel )
+			((JLabel)c).setText( changeHtmlText( ((JLabel)c).getText() ) );
+		else if( c instanceof JTextComponent )
+			((JTextComponent)c).setText( changeHtmlText( ((JTextComponent)c).getText() ) );
+		else if( c instanceof JToolTip )
+			((JToolTip)c).setTipText( changeHtmlText( ((JToolTip)c).getTipText() ) );
+		else if( c instanceof JComboBox ) {
+			@SuppressWarnings( "unchecked" )
+			JComboBox<String> cb = (JComboBox<String>) c;
+			DefaultComboBoxModel<String> model = (DefaultComboBoxModel<String>) cb.getModel();
+			String text = model.getElementAt( 0 );
+			String newText = changeHtmlText( text );
+			if( newText != text ) {
+				model.insertElementAt( newText, 1 );
+				model.removeElementAt( 0 );
+			}
+		}
+
+		if( c instanceof Container ) {
+			for( Component child : ((Container)c).getComponents() )
+				changeHtmlText( child );
+		}
+	}
+
+	private String changeHtmlText( String text ) {
+		String htmlTag = "<html>";
+		if( !text.startsWith( htmlTag ) )
+			return text;
+
+		String bodyTag = "<body>";
+		int bodyIndex = text.indexOf( bodyTag );
+		if( bodyIndex < 0 )
+			bodyIndex = htmlTag.length();
+		else
+			bodyIndex += bodyTag.length();
+
+		int insertIndex = text.indexOf( '>', bodyIndex );
+		if( insertIndex < 0 )
+			insertIndex = bodyIndex;
+		else
+			insertIndex++;
+
+		return text.substring( 0, insertIndex ) + "X" + text.substring( insertIndex );
+	}
+
 	private void initComponents() {
 		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
 		JLabel labelLabel = new JLabel();
@@ -88,14 +142,28 @@ public class FlatHtmlTest
 		JRadioButtonMenuItem radioButtonMenuItem1 = new JRadioButtonMenuItem();
 		JRadioButtonMenuItem radioButtonMenuItem2 = new JRadioButtonMenuItem();
 		JLabel label14 = new JLabel();
-		JLabel label15 = new JLabel();
-		JLabel label16 = new JLabel();
+		JToolTip toolTip3 = new JToolTip();
+		JToolTip toolTip4 = new JToolTip();
 		JLabel label17 = new JLabel();
 		JComboBox<String> comboBox1 = new JComboBox<>();
 		JComboBox<String> comboBox2 = new JComboBox<>();
+		JLabel label56 = new JLabel();
+		JXBusyLabel xBusyLabel1 = new JXBusyLabel();
+		JXBusyLabel xBusyLabel2 = new JXBusyLabel();
 		JLabel label18 = new JLabel();
 		JXHyperlink xHyperlink1 = new JXHyperlink();
 		JXHyperlink xHyperlink2 = new JXHyperlink();
+		JLabel label33 = new JLabel();
+		JideLabel jideLabel1 = new JideLabel();
+		JideLabel jideLabel2 = new JideLabel();
+		JLabel label16 = new JLabel();
+		JideButton jideButton1 = new JideButton();
+		JideButton jideButton2 = new JideButton();
+		JLabel label54 = new JLabel();
+		JideToggleButton jideToggleButton1 = new JideToggleButton();
+		JideToggleButton jideToggleButton2 = new JideToggleButton();
+		JButton changeHtmlTextButton = new JButton();
+		JLabel label15 = new JLabel();
 		label1 = new JLabel();
 		JScrollPane scrollPane15 = new JScrollPane();
 		editorPane1 = new JEditorPane();
@@ -143,13 +211,10 @@ public class FlatHtmlTest
 		JLabel label47 = new JLabel();
 		JLabel label53 = new JLabel();
 		JLabel label48 = new JLabel();
-		JLabel label54 = new JLabel();
-		JLabel label56 = new JLabel();
-		JLabel label57 = new JLabel();
 
 		//======== this ========
 		setLayout(new MigLayout(
-			"ltr,insets dialog,hidemode 3",
+			"flowy,ltr,insets dialog,hidemode 3",
 			// columns
 			"[grow,sizegroup 1,fill]" +
 			"[grow,sizegroup 1,fill]" +
@@ -196,6 +261,12 @@ public class FlatHtmlTest
 				"[]" +
 				"[]" +
 				"[]" +
+				"[]unrel" +
+				"[]" +
+				"[]unrel" +
+				"[]" +
+				"[]" +
+				"[]para" +
 				"[]" +
 				"[]"));
 
@@ -204,7 +275,7 @@ public class FlatHtmlTest
 			panel1.add(label5, "cell 0 0");
 
 			//---- label6 ----
-			label6.setText("<html>Some <b>Bold</b> Text");
+			label6.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			panel1.add(label6, "cell 1 0");
 
 			//---- label7 ----
@@ -212,11 +283,11 @@ public class FlatHtmlTest
 			panel1.add(label7, "cell 2 0");
 
 			//---- label3 ----
-			label3.setText("JButon:");
+			label3.setText("JButton:");
 			panel1.add(label3, "cell 0 1");
 
 			//---- button1 ----
-			button1.setText("<html>Some <b>Bold</b> Text");
+			button1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			panel1.add(button1, "cell 1 1");
 
 			//---- button2 ----
@@ -228,7 +299,7 @@ public class FlatHtmlTest
 			panel1.add(label11, "cell 0 2");
 
 			//---- toggleButton1 ----
-			toggleButton1.setText("<html>Some <b>Bold</b> Text");
+			toggleButton1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			toggleButton1.setSelected(true);
 			panel1.add(toggleButton1, "cell 1 2");
 
@@ -242,7 +313,7 @@ public class FlatHtmlTest
 			panel1.add(label12, "cell 0 3");
 
 			//---- checkBox1 ----
-			checkBox1.setText("<html>Some <b>Bold</b> Text");
+			checkBox1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			panel1.add(checkBox1, "cell 1 3");
 
 			//---- checkBox2 ----
@@ -254,7 +325,7 @@ public class FlatHtmlTest
 			panel1.add(label13, "cell 0 4");
 
 			//---- radioButton1 ----
-			radioButton1.setText("<html>Some <b>Bold</b> Text");
+			radioButton1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			panel1.add(radioButton1, "cell 1 4");
 
 			//---- radioButton2 ----
@@ -267,7 +338,7 @@ public class FlatHtmlTest
 
 			//======== menu1 ========
 			{
-				menu1.setText("<html>Some <b>Bold</b> Text");
+				menu1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			}
 			panel1.add(menu1, "cell 1 5");
 
@@ -282,7 +353,7 @@ public class FlatHtmlTest
 			panel1.add(label4, "cell 0 6");
 
 			//---- menuItem1 ----
-			menuItem1.setText("<html>Some <b>Bold</b> Text");
+			menuItem1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			panel1.add(menuItem1, "cell 1 6");
 
 			//---- menuItem2 ----
@@ -294,7 +365,7 @@ public class FlatHtmlTest
 			panel1.add(label9, "cell 0 7");
 
 			//---- checkBoxMenuItem1 ----
-			checkBoxMenuItem1.setText("<html>Some <b>Bold</b> Text");
+			checkBoxMenuItem1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			checkBoxMenuItem1.setSelected(true);
 			panel1.add(checkBoxMenuItem1, "cell 1 7");
 
@@ -308,7 +379,7 @@ public class FlatHtmlTest
 			panel1.add(label10, "cell 0 8");
 
 			//---- radioButtonMenuItem1 ----
-			radioButtonMenuItem1.setText("<html>Some <b>Bold</b> Text");
+			radioButtonMenuItem1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
 			radioButtonMenuItem1.setSelected(true);
 			panel1.add(radioButtonMenuItem1, "cell 1 8");
 
@@ -321,15 +392,13 @@ public class FlatHtmlTest
 			label14.setText("JToolTip:");
 			panel1.add(label14, "cell 0 9");
 
-			//---- label15 ----
-			label15.setText("(move mouse here)");
-			label15.setToolTipText("<html>Some <b>Bold</b> Text");
-			panel1.add(label15, "cell 1 9");
+			//---- toolTip3 ----
+			toolTip3.setTipText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
+			panel1.add(toolTip3, "cell 1 9");
 
-			//---- label16 ----
-			label16.setText("(move mouse here)");
-			label16.setToolTipText("Some text");
-			panel1.add(label16, "cell 2 9");
+			//---- toolTip4 ----
+			toolTip4.setTipText("Some text");
+			panel1.add(toolTip4, "cell 2 9");
 
 			//---- label17 ----
 			label17.setText("JComboBox:");
@@ -337,7 +406,7 @@ public class FlatHtmlTest
 
 			//---- comboBox1 ----
 			comboBox1.setModel(new DefaultComboBoxModel<>(new String[] {
-				"<html>Some <b>Bold</b> Text",
+				"<html>Some <b>Bold</b> Text <kbd>kbd</kbd>",
 				"abc",
 				"def"
 			}));
@@ -351,19 +420,76 @@ public class FlatHtmlTest
 			}));
 			panel1.add(comboBox2, "cell 2 10");
 
+			//---- label56 ----
+			label56.setText("JXBusyLabel:");
+			panel1.add(label56, "cell 0 11");
+
+			//---- xBusyLabel1 ----
+			xBusyLabel1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
+			panel1.add(xBusyLabel1, "cell 1 11");
+
+			//---- xBusyLabel2 ----
+			xBusyLabel2.setText("Some text");
+			panel1.add(xBusyLabel2, "cell 2 11");
+
 			//---- label18 ----
 			label18.setText("JXHyperlink:");
-			panel1.add(label18, "cell 0 11");
+			panel1.add(label18, "cell 0 12");
 
 			//---- xHyperlink1 ----
-			xHyperlink1.setText("<html>Some <b>Bold</b> Text");
-			panel1.add(xHyperlink1, "cell 1 11");
+			xHyperlink1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
+			panel1.add(xHyperlink1, "cell 1 12");
 
 			//---- xHyperlink2 ----
 			xHyperlink2.setText("Some text");
-			panel1.add(xHyperlink2, "cell 2 11");
+			panel1.add(xHyperlink2, "cell 2 12");
+
+			//---- label33 ----
+			label33.setText("JideLabel:");
+			panel1.add(label33, "cell 0 13");
+
+			//---- jideLabel1 ----
+			jideLabel1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
+			panel1.add(jideLabel1, "cell 1 13");
+
+			//---- jideLabel2 ----
+			jideLabel2.setText("Some text");
+			panel1.add(jideLabel2, "cell 2 13");
+
+			//---- label16 ----
+			label16.setText("JideButton:");
+			panel1.add(label16, "cell 0 14");
+
+			//---- jideButton1 ----
+			jideButton1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
+			panel1.add(jideButton1, "cell 1 14");
+
+			//---- jideButton2 ----
+			jideButton2.setText("Some text");
+			panel1.add(jideButton2, "cell 2 14");
+
+			//---- label54 ----
+			label54.setText("JideToggleButton:");
+			panel1.add(label54, "cell 0 15");
+
+			//---- jideToggleButton1 ----
+			jideToggleButton1.setText("<html>Some <b>Bold</b> Text <kbd>kbd</kbd>");
+			panel1.add(jideToggleButton1, "cell 1 15");
+
+			//---- jideToggleButton2 ----
+			jideToggleButton2.setText("Some text");
+			panel1.add(jideToggleButton2, "cell 2 15");
+
+			//---- changeHtmlTextButton ----
+			changeHtmlTextButton.setText("Change HTML Text");
+			changeHtmlTextButton.addActionListener(e -> changeHtmlText());
+			panel1.add(changeHtmlTextButton, "cell 0 16");
+
+			//---- label15 ----
+			label15.setText("(use to check whether CSS is updated on text changes)");
+			panel1.add(label15, "cell 0 17 3 1");
 		}
-		add(panel1, "cell 4 0 1 2,aligny top,growy 0");
+		add(panel1, "cell 4 0 1 3,aligny top,growy 0");
 
 		//---- label1 ----
 		label1.setText("<html>HTML<br>Sample <b>content</b><br> <u>text</u> with <a href=\"#\">link</a><h1>Header 1</h1><h2>Header 2</h2><h3>Header 3</h3><h4>Header 4</h4><h5>Header 5</h5><h6>Header 6</h6><p>Paragraph</p><address>Address</address><hr><table border=\"1\"><tr><th>Col 1</th><th>Col 2</th></tr><tr><td>abc</td><td>def</td></tr></table><ul><li>item 1</li><li>item 2</li></ul></html>");
@@ -441,10 +567,6 @@ public class FlatHtmlTest
 				"[]" +
 				"[]" +
 				"[]" +
-				"[]para" +
-				"[]para" +
-				"[]" +
-				"[]" +
 				"[]"));
 
 			//---- label22 ----
@@ -582,20 +704,8 @@ public class FlatHtmlTest
 			//---- label48 ----
 			label48.setText("<html><address>address</address></html>");
 			panel2.add(label48, "cell 1 5");
-
-			//---- label54 ----
-			label54.setText("Test whether inserted rule affects display:");
-			panel2.add(label54, "cell 0 7 7 1");
-
-			//---- label56 ----
-			label56.setText("<html><head><style>body { color: red }</style></head>leading <big>red</big> trailing</html>");
-			panel2.add(label56, "cell 0 8 7 1");
-
-			//---- label57 ----
-			label57.setText("<html><style>body { color: red }</style><p>leading <big>red</big> trailing</p></html>");
-			panel2.add(label57, "cell 0 9 7 1");
 		}
-		add(panel2, "cell 4 2");
+		add(panel2, "cell 4 0 1 3");
 		// JFormDesigner - End of component initialization  //GEN-END:initComponents
 	}
 

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

@@ -1,4 +1,4 @@
-JFDML JFormDesigner: "7.0.3.1.342" Java: "15" encoding: "UTF-8"
+JFDML JFormDesigner: "8.2.2.0.9999" Java: "21.0.1" encoding: "UTF-8"
 
 new FormModel {
 	contentType: "form/swing"
@@ -7,7 +7,7 @@ new FormModel {
 			"JavaCodeGenerator.defaultVariableLocal": true
 		}
 		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
-			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
+			"$layoutConstraints": "flowy,ltr,insets dialog,hidemode 3"
 			"$columnConstraints": "[grow,sizegroup 1,fill][grow,sizegroup 1,fill][grow,sizegroup 1,fill][grow,sizegroup 1,fill][fill]"
 			"$rowConstraints": "[][fill][grow,fill]"
 		} ) {
@@ -39,7 +39,7 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 				"$layoutConstraints": "insets 0,hidemode 3"
 				"$columnConstraints": "[fill][fill][fill]"
-				"$rowConstraints": "[][][][][][][][][][][][]"
+				"$rowConstraints": "[][][][][][][][][][][]unrel[][]unrel[][][]para[][]"
 			} ) {
 				name: "panel1"
 				add( new FormComponent( "javax.swing.JLabel" ) {
@@ -50,7 +50,7 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JLabel" ) {
 					name: "label6"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 0"
 				} )
@@ -62,13 +62,13 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JLabel" ) {
 					name: "label3"
-					"text": "JButon:"
+					"text": "JButton:"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 0 1"
 				} )
 				add( new FormComponent( "javax.swing.JButton" ) {
 					name: "button1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 1"
 				} )
@@ -86,7 +86,7 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JToggleButton" ) {
 					name: "toggleButton1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 					"selected": true
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 2"
@@ -106,7 +106,7 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JCheckBox" ) {
 					name: "checkBox1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 3"
 				} )
@@ -124,7 +124,7 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JRadioButton" ) {
 					name: "radioButton1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 4"
 				} )
@@ -142,7 +142,7 @@ new FormModel {
 				} )
 				add( new FormContainer( "javax.swing.JMenu", new FormLayoutManager( class javax.swing.JMenu ) ) {
 					name: "menu1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 5"
 				} )
@@ -160,7 +160,7 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JMenuItem" ) {
 					name: "menuItem1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 6"
 				} )
@@ -178,7 +178,7 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JCheckBoxMenuItem" ) {
 					name: "checkBoxMenuItem1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 					"selected": true
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 7"
@@ -198,7 +198,7 @@ new FormModel {
 				} )
 				add( new FormComponent( "javax.swing.JRadioButtonMenuItem" ) {
 					name: "radioButtonMenuItem1"
-					"text": "<html>Some <b>Bold</b> Text"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 					"selected": true
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 8"
@@ -216,17 +216,15 @@ new FormModel {
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 0 9"
 				} )
-				add( new FormComponent( "javax.swing.JLabel" ) {
-					name: "label15"
-					"text": "(move mouse here)"
-					"toolTipText": "<html>Some <b>Bold</b> Text"
+				add( new FormComponent( "javax.swing.JToolTip" ) {
+					name: "toolTip3"
+					"tipText": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 9"
 				} )
-				add( new FormComponent( "javax.swing.JLabel" ) {
-					name: "label16"
-					"text": "(move mouse here)"
-					"toolTipText": "Some text"
+				add( new FormComponent( "javax.swing.JToolTip" ) {
+					name: "toolTip4"
+					"tipText": "Some text"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 2 9"
 				} )
@@ -239,8 +237,8 @@ new FormModel {
 				add( new FormComponent( "javax.swing.JComboBox" ) {
 					name: "comboBox1"
 					"model": new javax.swing.DefaultComboBoxModel {
-						selectedItem: "<html>Some <b>Bold</b> Text"
-						addElement( "<html>Some <b>Bold</b> Text" )
+						selectedItem: "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
+						addElement( "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>" )
 						addElement( "abc" )
 						addElement( "def" )
 					}
@@ -259,25 +257,110 @@ new FormModel {
 					"value": "cell 2 10"
 				} )
 				add( new FormComponent( "javax.swing.JLabel" ) {
-					name: "label18"
-					"text": "JXHyperlink:"
+					name: "label56"
+					"text": "JXBusyLabel:"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 0 11"
 				} )
-				add( new FormComponent( "org.jdesktop.swingx.JXHyperlink" ) {
-					name: "xHyperlink1"
-					"text": "<html>Some <b>Bold</b> Text"
+				add( new FormComponent( "org.jdesktop.swingx.JXBusyLabel" ) {
+					name: "xBusyLabel1"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 11"
 				} )
+				add( new FormComponent( "org.jdesktop.swingx.JXBusyLabel" ) {
+					name: "xBusyLabel2"
+					"text": "Some text"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 2 11"
+				} )
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "label18"
+					"text": "JXHyperlink:"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 12"
+				} )
+				add( new FormComponent( "org.jdesktop.swingx.JXHyperlink" ) {
+					name: "xHyperlink1"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 1 12"
+				} )
 				add( new FormComponent( "org.jdesktop.swingx.JXHyperlink" ) {
 					name: "xHyperlink2"
 					"text": "Some text"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 2 11"
+					"value": "cell 2 12"
+				} )
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "label33"
+					"text": "JideLabel:"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 13"
+				} )
+				add( new FormComponent( "com.jidesoft.swing.JideLabel" ) {
+					name: "jideLabel1"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 1 13"
+				} )
+				add( new FormComponent( "com.jidesoft.swing.JideLabel" ) {
+					name: "jideLabel2"
+					"text": "Some text"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 2 13"
+				} )
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "label16"
+					"text": "JideButton:"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 14"
+				} )
+				add( new FormComponent( "com.jidesoft.swing.JideButton" ) {
+					name: "jideButton1"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 1 14"
+				} )
+				add( new FormComponent( "com.jidesoft.swing.JideButton" ) {
+					name: "jideButton2"
+					"text": "Some text"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 2 14"
+				} )
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "label54"
+					"text": "JideToggleButton:"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 15"
+				} )
+				add( new FormComponent( "com.jidesoft.swing.JideToggleButton" ) {
+					name: "jideToggleButton1"
+					"text": "<html>Some <b>Bold</b> Text <kbd>kbd</kbd>"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 1 15"
+				} )
+				add( new FormComponent( "com.jidesoft.swing.JideToggleButton" ) {
+					name: "jideToggleButton2"
+					"text": "Some text"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 2 15"
+				} )
+				add( new FormComponent( "javax.swing.JButton" ) {
+					name: "changeHtmlTextButton"
+					"text": "Change HTML Text"
+					addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "changeHtmlText", false ) )
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 16"
+				} )
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "label15"
+					"text": "(use to check whether CSS is updated on text changes)"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 17 3 1"
 				} )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 4 0 1 2,aligny top,growy 0"
+				"value": "cell 4 0 1 3,aligny top,growy 0"
 			} )
 			add( new FormComponent( "javax.swing.JLabel" ) {
 				name: "label1"
@@ -372,7 +455,7 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 				"$layoutConstraints": "insets 0,hidemode 3"
 				"$columnConstraints": "[fill]para[fill][fill][fill][fill][fill][fill]"
-				"$rowConstraints": "[][][][][][]para[]para[][][]"
+				"$rowConstraints": "[][][][][][]"
 			} ) {
 				name: "panel2"
 				auxiliary() {
@@ -582,30 +665,12 @@ new FormModel {
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 1 5"
 				} )
-				add( new FormComponent( "javax.swing.JLabel" ) {
-					name: "label54"
-					"text": "Test whether inserted rule affects display:"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 7 7 1"
-				} )
-				add( new FormComponent( "javax.swing.JLabel" ) {
-					name: "label56"
-					"text": "<html><head><style>body { color: red }</style></head>leading <big>red</big> trailing</html>"
-				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 8 7 1"
-				} )
-				add( new FormComponent( "javax.swing.JLabel" ) {
-					name: "label57"
-					"text": "<html><style>body { color: red }</style><p>leading <big>red</big> trailing</p></html>"
-				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 9 7 1"
-				} )
-			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 4 2"
+				"value": "cell 4 0 1 3"
 			} )
 		}, new FormLayoutConstraints( null ) {
 			"location": new java.awt.Point( 0, 0 )
-			"size": new java.awt.Dimension( 905, 815 )
+			"size": new java.awt.Dimension( 905, 880 )
 		} )
 	}
 }