access UIManager only from installDefaults() (for performance and to be GUI builder friendly)

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

@@ -16,6 +16,7 @@
 
 package com.formdev.flatlaf.ui;
 
+import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.FontMetrics;
@@ -33,11 +34,26 @@ import sun.swing.SwingUtilities2;
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JButton}.
  *
+ * TODO document used UI defaults of superclass
+ *
+ * @uiDefault Component.focusWidth				int
+ * @uiDefault Button.arc						int
+ * @uiDefault Button.disabledText				Color
+ * @uiDefault Button.default.background			Color
+ * @uiDefault Button.default.foreground			Color
+ *
  * @author Karl Tauber
  */
 public class FlatButtonUI
 	extends BasicButtonUI
 {
+	protected int focusWidth;
+	protected int arc;
+
+	protected Color disabledText;
+	protected Color defaultBackground;
+	protected Color defaultForeground;
+
 	private static ComponentUI instance;
 
 	public static ComponentUI createUI( JComponent c ) {
@@ -46,6 +62,18 @@ public class FlatButtonUI
 		return instance;
 	}
 
+	@Override
+	protected void installDefaults( AbstractButton b ) {
+		super.installDefaults( b );
+
+		focusWidth = UIManager.getInt( "Component.focusWidth" );
+		arc = UIManager.getInt( "Button.arc" );
+
+		disabledText = UIManager.getColor( "Button.disabledText" );
+		defaultBackground = UIManager.getColor( "Button.default.background" );
+		defaultForeground = UIManager.getColor( "Button.default.foreground" );
+	}
+
 	static boolean isContentAreaFilled( Component c ) {
 		return !(c instanceof AbstractButton) || ((AbstractButton)c).isContentAreaFilled();
 	}
@@ -64,8 +92,8 @@ public class FlatButtonUI
 				try {
 					FlatUIUtils.setRenderingHints( g2 );
 
-					float focusWidth = FlatUIUtils.getFocusWidth( c );
-					float arc = FlatUIUtils.getButtonArc( c );
+					float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
+					float arc = (c.getBorder() instanceof FlatButtonBorder) ? scale( (float) this.arc ) : 0;
 
 					g2.setColor( getBackground( c ) );
 					FlatUIUtils.fillRoundRectangle( g2, 0, 0, c.getWidth(), c.getHeight(), focusWidth, arc );
@@ -84,7 +112,7 @@ public class FlatButtonUI
 		FontMetrics fm = SwingUtilities2.getFontMetrics( c, g );
 		int mnemonicIndex = b.getDisplayedMnemonicIndex();
 
-		g.setColor( b.getModel().isEnabled() ? getForeground( c ) : UIManager.getColor( "Button.disabledText" ) );
+		g.setColor( b.getModel().isEnabled() ? getForeground( c ) : disabledText );
 		SwingUtilities2.drawStringUnderlineCharAt( c, g, text, mnemonicIndex,
 			textRect.x + getTextShiftOffset(),
 			textRect.y + fm.getAscent() + getTextShiftOffset() );
@@ -92,11 +120,11 @@ public class FlatButtonUI
 
 	private Color getBackground( Component c ) {
 		boolean def = FlatButtonUI.isDefaultButton( c );
-		return def ? UIManager.getColor( "Button.default.background" ) : c.getBackground();
+		return def ? defaultBackground : c.getBackground();
 	}
 
 	private Color getForeground( Component c ) {
 		boolean def = FlatButtonUI.isDefaultButton( c );
-		return def ? UIManager.getColor( "Button.default.foreground" ) : c.getForeground();
+		return def ? defaultForeground : c.getForeground();
 	}
 }

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

@@ -43,11 +43,37 @@ import com.formdev.flatlaf.util.UIScale;
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JComboBox}.
  *
+ * TODO document used UI defaults of superclass
+ *
+ * @uiDefault Component.focusWidth				int
+ * @uiDefault Component.arc						int
+ * @uiDefault Component.borderColor				Color
+ * @uiDefault Component.disabledBorderColor		Color
+ * @uiDefault ComboBox.disabledBackground		Color
+ * @uiDefault ComboBox.disabledForeground		Color
+ * @uiDefault ComboBox.buttonBackground			Color
+ * @uiDefault ComboBox.buttonEditableBackground	Color
+ * @uiDefault ComboBox.buttonArrowColor			Color
+ * @uiDefault ComboBox.buttonDisabledArrowColor	Color
+ *
  * @author Karl Tauber
  */
 public class FlatComboBoxUI
 	extends BasicComboBoxUI
 {
+	protected int focusWidth;
+	protected int arc;
+	protected Color borderColor;
+	protected Color disabledBorderColor;
+
+	protected Color disabledBackground;
+	protected Color disabledForeground;
+
+	protected Color buttonBackground;
+	protected Color buttonEditableBackground;
+	protected Color buttonArrowColor;
+	protected Color buttonDisabledArrowColor;
+
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatComboBoxUI();
 	}
@@ -57,6 +83,19 @@ public class FlatComboBoxUI
 		super.installDefaults();
 
 		padding = UIScale.scale( padding );
+
+		focusWidth = UIManager.getInt( "Component.focusWidth" );
+		arc = UIManager.getInt( "Component.arc" );
+		borderColor = UIManager.getColor( "Component.borderColor" );
+		disabledBorderColor = UIManager.getColor( "Component.disabledBorderColor" );
+
+		disabledBackground = UIManager.getColor( "ComboBox.disabledBackground" );
+		disabledForeground = UIManager.getColor( "ComboBox.disabledForeground" );
+
+		buttonBackground = UIManager.getColor( "ComboBox.buttonBackground" );
+		buttonEditableBackground = UIManager.getColor( "ComboBox.buttonEditableBackground" );
+		buttonArrowColor = UIManager.getColor( "ComboBox.buttonArrowColor" );
+		buttonDisabledArrowColor = UIManager.getColor( "ComboBox.buttonDisabledArrowColor" );
 	}
 
 	@Override
@@ -132,14 +171,12 @@ public class FlatComboBoxUI
 
 	private void updateEditorColors() {
 		boolean enabled = editor.isEnabled();
-		editor.setBackground( enabled
-			? comboBox.getBackground()
-			: UIManager.getColor( "ComboBox.disabledBackground" ) );
+		editor.setBackground( enabled ? comboBox.getBackground() : disabledBackground );
 		editor.setForeground( (enabled || editor instanceof JTextComponent)
 			? comboBox.getForeground()
-			: UIManager.getColor( "ComboBox.disabledForeground" ) );
+			: disabledForeground );
 		if( editor instanceof JTextComponent )
-			((JTextComponent)editor).setDisabledTextColor( UIManager.getColor( "ComboBox.disabledForeground" ) );
+			((JTextComponent)editor).setDisabledTextColor( disabledForeground );
 	}
 
 	@Override
@@ -157,24 +194,20 @@ public class FlatComboBoxUI
 
 			int width = c.getWidth();
 			int height = c.getHeight();
-			float focusWidth = FlatUIUtils.getFocusWidth( c );
-			float arc = FlatUIUtils.getComponentArc( c );
+			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 isLeftToRight = comboBox.getComponentOrientation().isLeftToRight();
 
 			// paint background
-			g2.setColor( comboBox.isEnabled()
-				? c.getBackground()
-				: UIManager.getColor( "ComboBox.disabledBackground" ) );
+			g2.setColor( comboBox.isEnabled() ? c.getBackground() : disabledBackground );
 			FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
 
 			// paint arrow button background
-			g2.setColor( UIManager.getColor( comboBox.isEnabled()
-				? (comboBox.isEditable()
-					? "ComboBox.buttonEditableBackground"
-					: "ComboBox.buttonBackground" )
-				: "ComboBox.disabledBackground" ) );
+			g2.setColor( comboBox.isEnabled()
+				? (comboBox.isEditable() ? buttonEditableBackground : buttonBackground)
+				: disabledBackground );
 			Shape oldClip = g2.getClip();
 			if( isLeftToRight )
 				g2.clipRect( arrowX, 0, width - arrowX, height );
@@ -185,7 +218,7 @@ public class FlatComboBoxUI
 
 			if( comboBox.isEditable() ) {
 				// paint vertical line between value and arrow button
-				g2.setColor( FlatUIUtils.getBorderColor( comboBox.isEnabled(), false ) );
+				g2.setColor( comboBox.isEnabled() ? borderColor : disabledBorderColor );
 				float lw = scale( 1f );
 				float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
 				g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - (focusWidth * 2) ) );
@@ -203,7 +236,7 @@ public class FlatComboBoxUI
 
 	//---- class FlatArrowButton ----------------------------------------------
 
-	private static class FlatArrowButton
+	private class FlatArrowButton
 		extends BasicArrowButton
 	{
 		FlatArrowButton() {
@@ -228,9 +261,7 @@ public class FlatComboBoxUI
 			arrow.lineTo( x + (w / 2f), y + h );
 			arrow.closePath();
 
-			g.setColor( UIManager.getColor( isEnabled()
-				? "ComboBox.buttonArrowColor"
-				: "ComboBox.buttonDisabledArrowColor" ) );
+			g.setColor( isEnabled() ? buttonArrowColor : buttonDisabledArrowColor );
 			((Graphics2D)g).fill( arrow );
 		}
 	}

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

@@ -16,6 +16,7 @@
 
 package com.formdev.flatlaf.ui;
 
+import java.awt.Color;
 import java.awt.Graphics;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
@@ -27,11 +28,18 @@ import sun.swing.SwingUtilities2;
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JLabel}.
  *
+ * @uiDefault Label.background			Color	only used if opaque
+ * @uiDefault Label.foreground			Color
+ * @uiDefault Label.disabledForeground	Color
+ * @uiDefault Label.font				Font
+ *
  * @author Karl Tauber
  */
 public class FlatLabelUI
 	extends BasicLabelUI
 {
+	private Color disabledForeground;
+
 	private static ComponentUI instance;
 
 	public static ComponentUI createUI( JComponent c ) {
@@ -40,10 +48,17 @@ public class FlatLabelUI
 		return instance;
 	}
 
+	@Override
+	protected void installDefaults( JLabel c ) {
+		super.installDefaults( c );
+
+		disabledForeground = UIManager.getColor( "Label.disabledForeground" );
+	}
+
 	@Override
 	protected void paintDisabledText( JLabel l, Graphics g, String s, int textX, int textY ) {
 		int mnemIndex = l.getDisplayedMnemonicIndex();
-		g.setColor( UIManager.getColor( "Label.disabledForeground" ) );
+		g.setColor( disabledForeground );
 		SwingUtilities2.drawStringUnderlineCharAt( l, g, s, mnemIndex, textX, textY );
 	}
 }

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

@@ -16,11 +16,13 @@
 
 package com.formdev.flatlaf.ui;
 
+import static com.formdev.flatlaf.util.UIScale.scale;
 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.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicPasswordFieldUI;
 import javax.swing.text.JTextComponent;
@@ -28,17 +30,30 @@ import javax.swing.text.JTextComponent;
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JPasswordField}.
  *
+ * TODO document used UI defaults of superclass
+ *
+ * @uiDefault Component.focusWidth				int
+ *
  * @author Karl Tauber
  */
 public class FlatPasswordFieldUI
 	extends BasicPasswordFieldUI
 {
+	protected int focusWidth;
+
 	private final Handler handler = new Handler();
 
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatPasswordFieldUI();
 	}
 
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		focusWidth = UIManager.getInt( "Component.focusWidth" );
+	}
+
 	@Override
 	protected void installListeners() {
 		super.installListeners();
@@ -63,7 +78,7 @@ public class FlatPasswordFieldUI
 		try {
 			FlatUIUtils.setRenderingHints( g2 );
 
-			float focusWidth = FlatUIUtils.getFocusWidth( c );
+			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 );

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

@@ -16,6 +16,7 @@
 
 package com.formdev.flatlaf.ui;
 
+import java.awt.Color;
 import java.awt.Graphics;
 import javax.swing.JComponent;
 import javax.swing.UIManager;
@@ -26,24 +27,38 @@ import javax.swing.text.JTextComponent;
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JTextArea}.
  *
+ * TODO document used UI defaults of superclass
+ *
+ * @uiDefault ComboBox.disabledBackground		Color
+ * @uiDefault ComboBox.inactiveBackground		Color
+ *
  * @author Karl Tauber
  */
 public class FlatTextAreaUI
 	extends BasicTextAreaUI
 {
+	protected Color disabledBackground;
+	protected Color inactiveBackground;
+
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatTextAreaUI();
 	}
 
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		disabledBackground = UIManager.getColor( "TextArea.disabledBackground" );
+		inactiveBackground = UIManager.getColor( "TextArea.inactiveBackground" );
+	}
+
 	@Override
 	protected void paintBackground( Graphics g ) {
 		JTextComponent c = getComponent();
 
 		g.setColor( !c.isEnabled()
-			? UIManager.getColor( "TextArea.disabledBackground" )
-			: (!c.isEditable()
-				? UIManager.getColor( "TextArea.inactiveBackground" )
-				: c.getBackground() ) );
+			? disabledBackground
+			: (!c.isEditable() ? inactiveBackground : c.getBackground()) );
 		g.fillRect( 0, 0, c.getWidth(), c.getHeight() );
 	}
 }

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

@@ -16,11 +16,13 @@
 
 package com.formdev.flatlaf.ui;
 
+import static com.formdev.flatlaf.util.UIScale.scale;
 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.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicTextFieldUI;
 import javax.swing.text.JTextComponent;
@@ -28,17 +30,30 @@ import javax.swing.text.JTextComponent;
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JTextField}.
  *
+ * TODO document used UI defaults of superclass
+ *
+ * @uiDefault Component.focusWidth				int
+ *
  * @author Karl Tauber
  */
 public class FlatTextFieldUI
 	extends BasicTextFieldUI
 {
+	protected int focusWidth;
+
 	private final Handler handler = new Handler();
 
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatTextFieldUI();
 	}
 
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		focusWidth = UIManager.getInt( "Component.focusWidth" );
+	}
+
 	@Override
 	protected void installListeners() {
 		super.installListeners();
@@ -63,7 +78,7 @@ public class FlatTextFieldUI
 		try {
 			FlatUIUtils.setRenderingHints( g2 );
 
-			float focusWidth = FlatUIUtils.getFocusWidth( c );
+			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 );

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

@@ -16,7 +16,6 @@
 
 package com.formdev.flatlaf.ui;
 
-import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Color;
 import java.awt.Container;
 import java.awt.Graphics;
@@ -57,36 +56,6 @@ public class FlatUIUtils
 		return (value instanceof Integer) ? (Integer) value : defaultValue;
 	}
 
-	public static float getFocusWidth() {
-		return scale( (float) getUIInt( "Component.focusWidth", 2 ) );
-	}
-
-	public static float getComponentArc() {
-		return scale( (float) getUIInt( "Component.arc", 5 ) );
-	}
-
-	public static float getButtonArc() {
-		return scale( (float) getUIInt( "Button.arc", 6 ) );
-	}
-
-	public static float getFocusWidth( JComponent c ) {
-		return (c.getBorder() instanceof FlatBorder) ? getFocusWidth() : 0;
-	}
-
-	public static float getComponentArc( JComponent c ) {
-		return (c.getBorder() instanceof FlatBorder) ? getComponentArc() : 0;
-	}
-
-	public static float getButtonArc( JComponent c ) {
-		return (c.getBorder() instanceof FlatBorder) ? getButtonArc() : 0;
-	}
-
-	public static Color getBorderColor( boolean enabled, boolean focused ) {
-		return UIManager.getColor( enabled
-			? (focused ? "Component.focusedBorderColor" : "Component.borderColor")
-			: "Component.disabledBorderColor" );
-	}
-
 	/**
 	 * Sets rendering hints used for painting.
 	 */