OptionPane implementation

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

@@ -39,6 +39,7 @@ 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;
 
 /**
@@ -254,6 +255,11 @@ public abstract class FlatLaf
 		if( key.endsWith( "Size" ) && !key.equals( "SplitPane.dividerSize" ))
 			return parseSize( value );
 
+		// scaled number
+		ScaledNumber scaledNumber = parseScaledNumber( key, value );
+		if( scaledNumber != null )
+			return scaledNumber;
+
 		// width, height
 		if( key.endsWith( "Width" ) || key.endsWith( "Height" ) )
 			return parseInteger( value, true );
@@ -359,6 +365,18 @@ public abstract class FlatLaf
 		return null;
 	}
 
+	private ScaledNumber parseScaledNumber( String key, String value ) {
+		if( !key.equals( "OptionPane.buttonMinimumWidth" ) )
+			return null; // not supported
+
+		try {
+			return new ScaledNumber( Integer.parseInt( value ) );
+		} catch( NumberFormatException ex ) {
+			System.err.println( "invalid integer '" + value + "'" );
+			throw ex;
+		}
+	}
+
 	private static List<String> split( String str, char delim ) {
 		ArrayList<String> strs = new ArrayList<>();
 		int delimIndex = str.indexOf( delim );

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

@@ -0,0 +1,141 @@
+/*
+ * 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.ui;
+
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.Dimension;
+import java.awt.GridBagConstraints;
+import javax.swing.JComponent;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.basic.BasicOptionPaneUI;
+import com.formdev.flatlaf.util.UIScale;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link javax.swing.JOptionPane}.
+ *
+ * @uiDefault OptionPane.border						Border
+ * @uiDefault OptionPane.messageAreaBorder			Border
+ * @uiDefault OptionPane.buttonAreaBorder			Border
+ * @uiDefault OptionPane.messageForeground			Color
+ * @uiDefault OptionPane.messageFont				Font
+ * @uiDefault OptionPane.buttonFont					Font
+ *
+ * @uiDefault OptionPane.minimumSize				Dimension
+ * @uiDefault OptionPane.maxCharactersPerLine		int
+ * @uiDefault OptionPane.iconMessageGap				int
+ * @uiDefault OptionPane.messagePadding				int
+ * @uiDefault OptionPane.buttonPadding				int
+ * @uiDefault OptionPane.buttonMinimumWidth			int		-1=disabled
+ * @uiDefault OptionPane.sameSizeButtons			boolean	if true, gives all buttons same size
+ * @uiDefault OptionPane.setButtonMargin			boolean	if true, invokes button.setMargin(2,4,2,4)
+ * @uiDefault OptionPane.buttonOrientation			int		0=center, 2=left, 4=right
+ * @uiDefault OptionPane.isYesLast					boolean	reverse button order if true
+ *
+ * @uiDefault OptionPane.errorIcon					Icon
+ * @uiDefault OptionPane.informationIcon			Icon
+ * @uiDefault OptionPane.questionIcon				Icon
+ * @uiDefault OptionPane.warningIcon				Icon
+ *
+ * @author Karl Tauber
+ */
+public class FlatOptionPaneUI
+	extends BasicOptionPaneUI
+{
+	protected int iconMessageGap;
+	protected int messagePadding;
+	protected int maxCharactersPerLine;
+	private int focusWidth;
+
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatOptionPaneUI();
+	}
+
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		iconMessageGap = UIManager.getInt( "OptionPane.iconMessageGap" );
+		messagePadding = UIManager.getInt( "OptionPane.messagePadding" );
+		maxCharactersPerLine = UIManager.getInt( "OptionPane.maxCharactersPerLine" );
+		focusWidth = UIManager.getInt( "Component.focusWidth" );
+	}
+
+	@Override
+	public Dimension getMinimumOptionPaneSize() {
+		return UIScale.scale( super.getMinimumOptionPaneSize() );
+	}
+
+	@Override
+	protected int getMaxCharactersPerLineCount() {
+		int max = super.getMaxCharactersPerLineCount();
+		return (maxCharactersPerLine > 0 && max == Integer.MAX_VALUE) ? maxCharactersPerLine : max;
+	}
+
+	@Override
+	protected Container createMessageArea() {
+		Container messageArea = super.createMessageArea();
+
+		// set icon-message gap
+		if( iconMessageGap > 0 ) {
+			Component iconMessageSeparator = findByName( messageArea, "OptionPane.separator" );
+			if( iconMessageSeparator != null )
+				iconMessageSeparator.setPreferredSize( new Dimension( UIScale.scale( iconMessageGap ), 1 ) );
+		}
+
+		return messageArea;
+	}
+
+	@Override
+	protected Container createButtonArea() {
+		Container buttonArea = super.createButtonArea();
+
+		// scale button padding and subtract focusWidth
+		if( buttonArea.getLayout() instanceof ButtonAreaLayout ) {
+			ButtonAreaLayout layout = (ButtonAreaLayout) buttonArea.getLayout();
+			layout.setPadding( UIScale.scale( layout.getPadding() - (focusWidth * 2) ) );
+		}
+
+		return buttonArea;
+	}
+
+	@Override
+	protected void addMessageComponents( Container container, GridBagConstraints cons, Object msg, int maxll,
+		boolean internallyCreated )
+	{
+		// set message padding
+		if( messagePadding > 0 )
+			cons.insets.bottom = UIScale.scale( messagePadding );
+
+		super.addMessageComponents( container, cons, msg, maxll, internallyCreated );
+	}
+
+	private Component findByName( Container c, String name ) {
+		for( Component child : c.getComponents() ) {
+			if( name.equals( child.getName() ) )
+				return child;
+
+			if( child instanceof Container ) {
+				Component c2 = findByName( (Container) child, name );
+				if( c2 != null )
+					return c2;
+			}
+		}
+		return null;
+	}
+}

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

@@ -0,0 +1,77 @@
+/*
+ * 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 static com.formdev.flatlaf.util.UIScale.scale;
+
+/**
+ * A number that scales its value.
+ *
+ * NOTE:
+ * Using ScaledNumber in UI defaults works only if the value is get with
+ * sun.swing.DefaultLookup.getInt(), which is used by some basic UI delegates,
+ * because this method uses "instanceof Number".
+ * UIManager.getInt() on the other hand uses "instanceof Integer" and does not work.
+ *
+ * @author Karl Tauber
+ */
+public class ScaledNumber
+	extends Number
+{
+	private final int value;
+
+	public ScaledNumber( int value ) {
+		this.value = value;
+	}
+
+	@Override
+	public int intValue() {
+		return scale( value );
+	}
+
+	@Override
+	public long longValue() {
+		return scale( value );
+	}
+
+	@Override
+	public float floatValue() {
+		return scale( (float) value );
+	}
+
+	@Override
+	public double doubleValue() {
+		return scale( (float) value );
+	}
+
+	@Override
+	public int hashCode() {
+		return Integer.hashCode( value );
+	}
+
+	@Override
+	public boolean equals( Object obj ) {
+		return (obj instanceof ScaledNumber)
+			? (value == ((ScaledNumber)obj).value)
+			: false;
+	}
+
+	@Override
+	public String toString() {
+		return Integer.toString( value );
+	}
+}

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

@@ -27,6 +27,7 @@ ListUI=com.formdev.flatlaf.ui.FlatListUI
 MenuUI=com.formdev.flatlaf.ui.FlatMenuUI
 MenuBarUI=com.formdev.flatlaf.ui.FlatMenuBarUI
 MenuItemUI=com.formdev.flatlaf.ui.FlatMenuItemUI
+OptionPaneUI=com.formdev.flatlaf.ui.FlatOptionPaneUI
 PasswordFieldUI=com.formdev.flatlaf.ui.FlatPasswordFieldUI
 PopupMenuUI=com.formdev.flatlaf.ui.FlatPopupMenuUI
 PopupMenuSeparatorUI=com.formdev.flatlaf.ui.FlatPopupMenuSeparatorUI
@@ -130,6 +131,20 @@ MenuItem.arrowIcon=com.formdev.flatlaf.icons.FlatMenuItemArrowIcon
 
 #---- OptionPane ----
 
+OptionPane.border=12,12,12,12
+OptionPane.messageAreaBorder=0,0,0,0
+OptionPane.buttonAreaBorder=12,0,0,0
+OptionPane.messageForeground=null
+
+OptionPane.maxCharactersPerLine=80
+OptionPane.iconMessageGap=16
+OptionPane.messagePadding=3
+OptionPane.buttonPadding=8
+OptionPane.buttonMinimumWidth=80
+OptionPane.sameSizeButtons=true
+OptionPane.setButtonMargin=false
+OptionPane.buttonOrientation=4
+
 OptionPane.errorIcon=com.formdev.flatlaf.icons.FlatOptionPaneErrorIcon
 OptionPane.informationIcon=com.formdev.flatlaf.icons.FlatOptionPaneInformationIcon
 OptionPane.questionIcon=com.formdev.flatlaf.icons.FlatOptionPaneQuestionIcon

flatlaf-core/src/test/java/com/formdev/flatlaf/FlatOptionPaneTest.java

@@ -0,0 +1,348 @@
+/*
+ * 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.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import javax.swing.*;
+import javax.swing.border.*;
+import net.miginfocom.swing.*;
+
+/**
+ * @author Karl Tauber
+ */
+public class FlatOptionPaneTest
+	extends JPanel
+{
+	public static void main( String[] args ) {
+		FlatTestFrame frame = FlatTestFrame.create( args, "FlatOptionPaneTest" );
+		frame.showFrame( new FlatOptionPaneTest() );
+	}
+
+	FlatOptionPaneTest() {
+		initComponents();
+
+		customOptionPane.setMessage( new Object[] {
+			"string",
+			"multi-\nline string",
+			new JCheckBox( "check box" ),
+			new JTextField( "text field" ),
+			"more text",
+		} );
+		customOptionPane.setOptions( new Object[] {
+			new JCheckBox( "check me" ),
+			"OK",
+			"Cancel",
+		} );
+	}
+
+	private void initComponents() {
+		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
+		JLabel plainLabel = new JLabel();
+		JPanel panel1 = new JPanel();
+		JOptionPane plainOptionPane = new JOptionPane();
+		plainShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+		JLabel errorLabel = new JLabel();
+		JPanel panel2 = new JPanel();
+		JOptionPane errorOptionPane = new JOptionPane();
+		errorShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+		JLabel informationLabel = new JLabel();
+		JPanel panel3 = new JPanel();
+		JOptionPane informationOptionPane = new JOptionPane();
+		informationShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+		JLabel questionLabel = new JLabel();
+		JPanel panel4 = new JPanel();
+		JOptionPane questionOptionPane = new JOptionPane();
+		FlatOptionPaneTest.ShowDialogLinkLabel questionShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+		JLabel warningLabel = new JLabel();
+		JPanel panel5 = new JPanel();
+		JOptionPane warningOptionPane = new JOptionPane();
+		FlatOptionPaneTest.ShowDialogLinkLabel warningShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+		JLabel inputLabel = new JLabel();
+		JPanel panel7 = new JPanel();
+		JOptionPane inputOptionPane = new JOptionPane();
+		FlatOptionPaneTest.ShowDialogLinkLabel inputShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+		JLabel inputIconLabel = new JLabel();
+		JPanel panel8 = new JPanel();
+		JOptionPane inputIconOptionPane = new JOptionPane();
+		FlatOptionPaneTest.ShowDialogLinkLabel inputIconShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+		JLabel customLabel = new JLabel();
+		JPanel panel6 = new JPanel();
+		customOptionPane = new JOptionPane();
+		FlatOptionPaneTest.ShowDialogLinkLabel customShowDialogLabel = new FlatOptionPaneTest.ShowDialogLinkLabel();
+
+		//======== this ========
+		setLayout(new MigLayout(
+			"flowy,ltr,insets 0,hidemode 3,gap 5 5",
+			// columns
+			"[]" +
+			"[]" +
+			"[fill]",
+			// rows
+			"[top]" +
+			"[top]" +
+			"[top]" +
+			"[top]" +
+			"[top]" +
+			"[top]" +
+			"[top]" +
+			"[top]"));
+
+		//---- plainLabel ----
+		plainLabel.setText("Plain");
+		add(plainLabel, "cell 0 0");
+
+		//======== panel1 ========
+		{
+			panel1.setBorder(LineBorder.createGrayLineBorder());
+			panel1.setLayout(new BorderLayout());
+
+			//---- plainOptionPane ----
+			plainOptionPane.setMessage("Hello world.");
+			panel1.add(plainOptionPane, BorderLayout.CENTER);
+		}
+		add(panel1, "cell 1 0");
+
+		//---- plainShowDialogLabel ----
+		plainShowDialogLabel.setOptionPane(plainOptionPane);
+		plainShowDialogLabel.setTitleLabel(plainLabel);
+		add(plainShowDialogLabel, "cell 2 0");
+
+		//---- errorLabel ----
+		errorLabel.setText("Error");
+		add(errorLabel, "cell 0 1");
+
+		//======== panel2 ========
+		{
+			panel2.setBorder(LineBorder.createGrayLineBorder());
+			panel2.setLayout(new BorderLayout());
+
+			//---- errorOptionPane ----
+			errorOptionPane.setMessageType(JOptionPane.ERROR_MESSAGE);
+			errorOptionPane.setOptionType(JOptionPane.OK_CANCEL_OPTION);
+			errorOptionPane.setMessage("Your PC ran into a problem. Buy a new one.");
+			panel2.add(errorOptionPane, BorderLayout.CENTER);
+		}
+		add(panel2, "cell 1 1");
+
+		//---- errorShowDialogLabel ----
+		errorShowDialogLabel.setTitleLabel(errorLabel);
+		errorShowDialogLabel.setOptionPane(errorOptionPane);
+		add(errorShowDialogLabel, "cell 2 1");
+
+		//---- informationLabel ----
+		informationLabel.setText("Information");
+		add(informationLabel, "cell 0 2");
+
+		//======== panel3 ========
+		{
+			panel3.setBorder(LineBorder.createGrayLineBorder());
+			panel3.setLayout(new BorderLayout());
+
+			//---- informationOptionPane ----
+			informationOptionPane.setMessageType(JOptionPane.INFORMATION_MESSAGE);
+			informationOptionPane.setOptionType(JOptionPane.YES_NO_OPTION);
+			informationOptionPane.setMessage("Text with\nmultiple lines\n(use \\n to separate lines)");
+			panel3.add(informationOptionPane, BorderLayout.CENTER);
+		}
+		add(panel3, "cell 1 2");
+
+		//---- informationShowDialogLabel ----
+		informationShowDialogLabel.setOptionPane(informationOptionPane);
+		informationShowDialogLabel.setTitleLabel(informationLabel);
+		add(informationShowDialogLabel, "cell 2 2");
+
+		//---- questionLabel ----
+		questionLabel.setText("Question");
+		add(questionLabel, "cell 0 3");
+
+		//======== panel4 ========
+		{
+			panel4.setBorder(LineBorder.createGrayLineBorder());
+			panel4.setLayout(new BorderLayout());
+
+			//---- questionOptionPane ----
+			questionOptionPane.setMessageType(JOptionPane.QUESTION_MESSAGE);
+			questionOptionPane.setOptionType(JOptionPane.YES_NO_CANCEL_OPTION);
+			questionOptionPane.setMessage("Answer the question. What question? Don't know. Just writing useless text to make this longer than 80 characters.");
+			panel4.add(questionOptionPane, BorderLayout.CENTER);
+		}
+		add(panel4, "cell 1 3");
+
+		//---- questionShowDialogLabel ----
+		questionShowDialogLabel.setOptionPane(questionOptionPane);
+		questionShowDialogLabel.setTitleLabel(questionLabel);
+		add(questionShowDialogLabel, "cell 2 3");
+
+		//---- warningLabel ----
+		warningLabel.setText("Warning");
+		add(warningLabel, "cell 0 4");
+
+		//======== panel5 ========
+		{
+			panel5.setBorder(LineBorder.createGrayLineBorder());
+			panel5.setLayout(new BorderLayout());
+
+			//---- warningOptionPane ----
+			warningOptionPane.setMessageType(JOptionPane.WARNING_MESSAGE);
+			warningOptionPane.setOptionType(JOptionPane.OK_CANCEL_OPTION);
+			warningOptionPane.setMessage("Beware of the dog!");
+			panel5.add(warningOptionPane, BorderLayout.CENTER);
+		}
+		add(panel5, "cell 1 4");
+
+		//---- warningShowDialogLabel ----
+		warningShowDialogLabel.setOptionPane(warningOptionPane);
+		warningShowDialogLabel.setTitleLabel(warningLabel);
+		add(warningShowDialogLabel, "cell 2 4");
+
+		//---- inputLabel ----
+		inputLabel.setText("Input");
+		add(inputLabel, "cell 0 5");
+
+		//======== panel7 ========
+		{
+			panel7.setBorder(LineBorder.createGrayLineBorder());
+			panel7.setLayout(new BorderLayout());
+
+			//---- inputOptionPane ----
+			inputOptionPane.setWantsInput(true);
+			inputOptionPane.setOptionType(JOptionPane.OK_CANCEL_OPTION);
+			inputOptionPane.setMessage("Enter whatever you want:");
+			panel7.add(inputOptionPane, BorderLayout.CENTER);
+		}
+		add(panel7, "cell 1 5");
+
+		//---- inputShowDialogLabel ----
+		inputShowDialogLabel.setOptionPane(inputOptionPane);
+		inputShowDialogLabel.setTitleLabel(inputLabel);
+		add(inputShowDialogLabel, "cell 2 5");
+
+		//---- inputIconLabel ----
+		inputIconLabel.setText("Input + icon");
+		add(inputIconLabel, "cell 0 6");
+
+		//======== panel8 ========
+		{
+			panel8.setBorder(LineBorder.createGrayLineBorder());
+			panel8.setLayout(new BorderLayout());
+
+			//---- inputIconOptionPane ----
+			inputIconOptionPane.setMessageType(JOptionPane.INFORMATION_MESSAGE);
+			inputIconOptionPane.setWantsInput(true);
+			inputIconOptionPane.setOptionType(JOptionPane.OK_CANCEL_OPTION);
+			inputIconOptionPane.setMessage("Enter something:");
+			panel8.add(inputIconOptionPane, BorderLayout.CENTER);
+		}
+		add(panel8, "cell 1 6");
+
+		//---- inputIconShowDialogLabel ----
+		inputIconShowDialogLabel.setTitleLabel(inputIconLabel);
+		inputIconShowDialogLabel.setOptionPane(inputIconOptionPane);
+		add(inputIconShowDialogLabel, "cell 2 6");
+
+		//---- customLabel ----
+		customLabel.setText("Custom");
+		add(customLabel, "cell 0 7");
+
+		//======== panel6 ========
+		{
+			panel6.setBorder(LineBorder.createGrayLineBorder());
+			panel6.setLayout(new BorderLayout());
+
+			//---- customOptionPane ----
+			customOptionPane.setIcon(UIManager.getIcon("Tree.leafIcon"));
+			panel6.add(customOptionPane, BorderLayout.CENTER);
+		}
+		add(panel6, "cell 1 7");
+
+		//---- customShowDialogLabel ----
+		customShowDialogLabel.setOptionPane(customOptionPane);
+		customShowDialogLabel.setTitleLabel(customLabel);
+		add(customShowDialogLabel, "cell 2 7");
+		// JFormDesigner - End of component initialization  //GEN-END:initComponents
+	}
+
+	// JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
+	private FlatOptionPaneTest.ShowDialogLinkLabel plainShowDialogLabel;
+	private FlatOptionPaneTest.ShowDialogLinkLabel errorShowDialogLabel;
+	private FlatOptionPaneTest.ShowDialogLinkLabel informationShowDialogLabel;
+	private JOptionPane customOptionPane;
+	// JFormDesigner - End of variables declaration  //GEN-END:variables
+
+	//---- class ShowDialogLinkLabel ------------------------------------------
+
+	private static class ShowDialogLinkLabel
+		extends JLabel
+	{
+		private JLabel titleLabel;
+		private JOptionPane optionPane;
+
+		ShowDialogLinkLabel() {
+			setText( "<html><a href=\"#\">Show dialog</a></html>" );
+
+			addMouseListener( new MouseAdapter() {
+				@Override
+				public void mouseClicked( MouseEvent e ) {
+					showDialog();
+				}
+			} );
+		}
+
+		private void showDialog() {
+			if( optionPane.getWantsInput() ) {
+				JOptionPane.showInputDialog(
+					getParent(),
+					optionPane.getMessage(),
+					titleLabel.getText() + " Title",
+					optionPane.getMessageType(),
+					optionPane.getIcon(),
+					null,
+					null );
+			} else {
+				JOptionPane.showOptionDialog(
+					getParent(),
+					optionPane.getMessage(),
+					titleLabel.getText() + " Title",
+					optionPane.getOptionType(),
+					optionPane.getMessageType(),
+					optionPane.getIcon(),
+					optionPane.getOptions(),
+					optionPane.getInitialValue() );
+			}
+		}
+
+		@SuppressWarnings( "unused" )
+		public JLabel getTitleLabel() {
+			return titleLabel;
+		}
+
+		public void setTitleLabel( JLabel titleLabel ) {
+			this.titleLabel = titleLabel;
+		}
+
+		@SuppressWarnings( "unused" )
+		public JOptionPane getOptionPane() {
+			return optionPane;
+		}
+
+		public void setOptionPane( JOptionPane optionPane ) {
+			this.optionPane = optionPane;
+		}
+	}
+}

flatlaf-core/src/test/java/com/formdev/flatlaf/FlatOptionPaneTest.jfd

@@ -0,0 +1,245 @@
+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( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "flowy,ltr,insets 0,hidemode 3,gap 5 5"
+			"$columnConstraints": "[][][fill]"
+			"$rowConstraints": "[top][top][top][top][top][top][top][top]"
+		} ) {
+			name: "this"
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "plainLabel"
+				"text": "Plain"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 0"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel1"
+				"border": &LineBorder0 new javax.swing.border.LineBorder( sfield java.awt.Color gray, 1, false )
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "plainOptionPane"
+					"message": "Hello world."
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 0"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "plainShowDialogLabel"
+				"optionPane": new FormReference( "plainOptionPane" )
+				"titleLabel": new FormReference( "plainLabel" )
+				auxiliary() {
+					"JavaCodeGenerator.variableLocal": false
+				}
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 0"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "errorLabel"
+				"text": "Error"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 1"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel2"
+				"border": #LineBorder0
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "errorOptionPane"
+					"messageType": 0
+					"optionType": 2
+					"message": "Your PC ran into a problem. Buy a new one."
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 1"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "errorShowDialogLabel"
+				"titleLabel": new FormReference( "errorLabel" )
+				"optionPane": new FormReference( "errorOptionPane" )
+				auxiliary() {
+					"JavaCodeGenerator.variableLocal": false
+				}
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 1"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "informationLabel"
+				"text": "Information"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 2"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel3"
+				"border": #LineBorder0
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "informationOptionPane"
+					"messageType": 1
+					"optionType": 0
+					"message": "Text with\nmultiple lines\n(use \\n to separate lines)"
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 2"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "informationShowDialogLabel"
+				"optionPane": new FormReference( "informationOptionPane" )
+				"titleLabel": new FormReference( "informationLabel" )
+				auxiliary() {
+					"JavaCodeGenerator.variableLocal": false
+				}
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 2"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "questionLabel"
+				"text": "Question"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 3"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel4"
+				"border": #LineBorder0
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "questionOptionPane"
+					"messageType": 3
+					"optionType": 1
+					"message": "Answer the question. What question? Don't know. Just writing useless text to make this longer than 80 characters."
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 3"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "questionShowDialogLabel"
+				"optionPane": new FormReference( "questionOptionPane" )
+				"titleLabel": new FormReference( "questionLabel" )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 3"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "warningLabel"
+				"text": "Warning"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 4"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel5"
+				"border": #LineBorder0
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "warningOptionPane"
+					"messageType": 2
+					"optionType": 2
+					"message": "Beware of the dog!"
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 4"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "warningShowDialogLabel"
+				"optionPane": new FormReference( "warningOptionPane" )
+				"titleLabel": new FormReference( "warningLabel" )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 4"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "inputLabel"
+				"text": "Input"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 5"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel7"
+				"border": #LineBorder0
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "inputOptionPane"
+					"wantsInput": true
+					"optionType": 2
+					"message": "Enter whatever you want:"
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 5"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "inputShowDialogLabel"
+				"optionPane": new FormReference( "inputOptionPane" )
+				"titleLabel": new FormReference( "inputLabel" )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 5"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "inputIconLabel"
+				"text": "Input + icon"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 6"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel8"
+				"border": #LineBorder0
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "inputIconOptionPane"
+					"messageType": 1
+					"wantsInput": true
+					"optionType": 2
+					"message": "Enter something:"
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 6"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "inputIconShowDialogLabel"
+				"titleLabel": new FormReference( "inputIconLabel" )
+				"optionPane": new FormReference( "inputIconOptionPane" )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 6"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "customLabel"
+				"text": "Custom"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 7"
+			} )
+			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
+				name: "panel6"
+				"border": #LineBorder0
+				add( new FormComponent( "javax.swing.JOptionPane" ) {
+					name: "customOptionPane"
+					"icon": new com.jformdesigner.model.SwingIcon( 2, "Tree.leafIcon" )
+					auxiliary() {
+						"JavaCodeGenerator.variableLocal": false
+					}
+				}, new FormLayoutConstraints( class java.lang.String ) {
+					"value": "Center"
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 7"
+			} )
+			add( new FormComponent( "com.formdev.flatlaf.FlatOptionPaneTest$ShowDialogLinkLabel" ) {
+				name: "customShowDialogLabel"
+				"optionPane": new FormReference( "customOptionPane" )
+				"titleLabel": new FormReference( "customLabel" )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 7"
+			} )
+		}, new FormLayoutConstraints( null ) {
+			"location": new java.awt.Point( 0, 0 )
+			"size": new java.awt.Dimension( 790, 840 )
+		} )
+	}
+}

flatlaf-core/src/test/java/com/formdev/flatlaf/FlatTestFrame.java

@@ -144,6 +144,10 @@ public class FlatTestFrame
 		pack();
 		setLocationRelativeTo( null );
 		setVisible( true );
+
+		EventQueue.invokeLater( () -> {
+			closeButton.requestFocusInWindow();
+		} );
 	}
 
 	private void selectLookAndFeel( String lafClassName ) {