Module java.desktop
Package javax.swing.plaf

Class ComboBoxUI

java.lang.Object
javax.swing.plaf.ComponentUI
javax.swing.plaf.ComboBoxUI
Direct Known Subclasses:
BasicComboBoxUI, MultiComboBoxUI
public abstract class ComboBoxUI extends ComponentUI
Pluggable look and feel interface for JComboBox.

  • Constructor Details

    • ComboBoxUI

      protected ComboBoxUI()
      Constructor for subclasses to call.

  • Method Details

    • setPopupVisible

      public abstract void setPopupVisible(JComboBox<?> c, boolean v)
      Set the visibility of the popup
      Parameters:
      c - a JComboBox
      v - a boolean determining the visibility of the popup

    • isPopupVisible

      public abstract boolean isPopupVisible(JComboBox<?> c)
      Determine the visibility of the popup
      Parameters:
      c - a JComboBox
      Returns:
      true if popup of the JComboBox is visible

    • isFocusTraversable

      public abstract boolean isFocusTraversable(JComboBox<?> c)
      Determine whether or not the combo box itself is traversable
      Parameters:
      c - a JComboBox
      Returns:
      true if the given JComboBox is traversable