ComboBox, Spinner and TextField: support round border style (set client property JComponent.roundRect to true)

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

@@ -103,6 +103,15 @@ public interface FlatClientProperties
 	 */
 	String MINIMUM_HEIGHT = "JComponent.minimumHeight";
 
+	/**
+	 * Paint the component with round edges.
+	 * <p>
+	 * <strong>Components</strong> {@link javax.swing.JComboBox}, {@link javax.swing.JSpinner},
+	 * {@link javax.swing.JTextField}, {@link javax.swing.JFormattedTextField} and {@link javax.swing.JPasswordField}
+	 * <strong>Value type</strong> {@link java.lang.Boolean}
+	 */
+	String COMPONENT_ROUND_RECT = "JComponent.roundRect";
+
 	/**
 	 * Specifies whether a drop shadow is painted if the component is shown in a popup
 	 * or if the component is the owner of another component that is shown in a popup.

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

@@ -208,6 +208,10 @@ public class FlatButtonUI
 			case MINIMUM_HEIGHT:
 				b.revalidate();
 				break;
+
+			case BUTTON_TYPE:
+				b.repaint();
+				break;
 		}
 	}
 

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

@@ -243,6 +243,8 @@ public class FlatComboBoxUI
 					editor.applyComponentOrientation( o );
 				} else if( editor != null && FlatClientProperties.PLACEHOLDER_TEXT.equals( propertyName ) )
 					editor.repaint();
+				else if( FlatClientProperties.COMPONENT_ROUND_RECT.equals( propertyName ) )
+					comboBox.repaint();
 			}
 		};
 	}

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

@@ -34,7 +34,6 @@ import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicPasswordFieldUI;
 import javax.swing.text.Caret;
 import javax.swing.text.JTextComponent;
-import com.formdev.flatlaf.FlatClientProperties;
 
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JPasswordField}.
@@ -147,9 +146,7 @@ public class FlatPasswordFieldUI
 	@Override
 	protected void propertyChange( PropertyChangeEvent e ) {
 		super.propertyChange( e );
-
-		if( FlatClientProperties.PLACEHOLDER_TEXT.equals( e.getPropertyName() ) )
-			getComponent().repaint();
+		FlatTextFieldUI.propertyChange( getComponent(), e );
 	}
 
 	@Override

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

@@ -33,6 +33,6 @@ public class FlatRoundBorder
 
 	@Override
 	protected int getArc( Component c ) {
-		return arc;
+		return FlatUIUtils.isRoundRect( c ) ? Short.MAX_VALUE : arc;
 	}
 }

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

@@ -40,6 +40,7 @@ import javax.swing.SwingConstants;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicSpinnerUI;
+import com.formdev.flatlaf.FlatClientProperties;
 
 /**
  * Provides the Flat LaF UI delegate for {@link javax.swing.JSpinner}.
@@ -394,6 +395,10 @@ public class FlatSpinnerUI
 				case "enabled":
 					updateEditorColors();
 					break;
+
+				case FlatClientProperties.COMPONENT_ROUND_RECT:
+					spinner.repaint();
+					break;
 			}
 		}
 	}

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

@@ -33,6 +33,6 @@ public class FlatTextBorder
 
 	@Override
 	protected int getArc( Component c ) {
-		return arc;
+		return FlatUIUtils.isRoundRect( c ) ? Short.MAX_VALUE : arc;
 	}
 }

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

@@ -127,9 +127,16 @@ public class FlatTextFieldUI
 	@Override
 	protected void propertyChange( PropertyChangeEvent e ) {
 		super.propertyChange( e );
+		propertyChange( getComponent(), e );
+	}
 
-		if( FlatClientProperties.PLACEHOLDER_TEXT.equals( e.getPropertyName() ) )
-			getComponent().repaint();
+	static void propertyChange( JTextComponent c, PropertyChangeEvent e ) {
+		switch( e.getPropertyName() ) {
+			case FlatClientProperties.PLACEHOLDER_TEXT:
+			case FlatClientProperties.COMPONENT_ROUND_RECT:
+				c.repaint();
+				break;
+		}
 	}
 
 	@Override

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

@@ -143,6 +143,11 @@ public class FlatUIUtils
 		return (KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner() == c);
 	}
 
+	public static boolean isRoundRect( Component c ) {
+		return c instanceof JComponent && FlatClientProperties.clientPropertyBoolean(
+			(JComponent) c, FlatClientProperties.COMPONENT_ROUND_RECT, false );
+	}
+
 	/**
 	 * Returns the scaled thickness of the outer focus border for the given component.
 	 */