TabbedPane: hide cropped line in scroll-tab-layout (issue #40)

CHANGELOG.md

@@ -3,6 +3,7 @@ FlatLaf Change Log
 
 ## Unreleased
 
+- TabbedPane: In scroll-tab-layout, the cropped line is now hidden. (issue #40)
 - Tree: UI default value `Tree.textBackground` now has a valid color and is no
   longer `null`.
 

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

@@ -181,7 +181,7 @@ public class FlatTabbedPaneUI
 	protected JButton createScrollButton( int direction ) {
 		// this method is invoked before installDefaults(), so we can not use color fields here
 		return new FlatArrowButton( direction, UIManager.getString( "Component.arrowType" ),
-			UIManager.getColor( "TabbedPane.shadow" ),
+			UIManager.getColor( "TabbedPane.foreground" ),
 			UIManager.getColor( "TabbedPane.disabledForeground" ), null,
 			UIManager.getColor( "TabbedPane.hoverColor" ) );
 	}

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

@@ -366,7 +366,7 @@ TabbedPane.tabAreaInsets=0,0,0,0
 TabbedPane.selectedTabPadInsets=0,0,0,0
 TabbedPane.tabRunOverlay=0
 TabbedPane.tabsOverlapBorder=true
-TabbedPane.shadow=$ComboBox.buttonArrowColor
+TabbedPane.shadow=@background
 
 
 #---- Table ----