KeyboardFocusManager.getCurrentKeyboardFocusManager().clearGlobalFocusOwner() : Focus « Swing Event « Java Tutorial

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Java Tutorial » Swing Event » Focus   15. 15. 25. KeyboardFocusManager.getCurrentKeyboardFocusManager().clearGlobalFocusOwner() import java.awt.KeyboardFocusManager; public class Main {   public static void main(String[] argv) throws Exception {     KeyboardFocusManager.getCurrentKeyboardFocusManager().clearGlobalFocusOwner();   } } 15. 15. Focus 15. 15. 1.  No Focus Button 15. 15. 2.  Focus auto-setting 15. 15. 3.  Focus Traversal: requestFocusInWindow 15. 15. 4.  Moving focus to the next component: focusNextComponent() 15. 15. 5.  Restricting the Focus Cycle 15. 15. 6.  Request Focus inside a window 15. 15. 7.  Predefined Focus Traversal Policies 15. 15. 8.  Reversing Focus Traversal 15. 15. 9.  KeyboardFocusManager 15. 15. 10.  Use KeyboardFocusManager 15. 15. 11.  Use FocusTraversalPolicy 15. 15. 12.  Finding the Next Focusable Component 15. 15. 13.  Find the previous focusable component 15. 15. 14.  Determining If a Focus Lost Is Temporary or Permanent 15. 15. 15.  Null is returned if none of the components in this application has the focus 15. 15. 16.  Null is returned if none of the windows in this application has the focus 15. 15. 17.  Changes the focus traversal keys for the entire application. 15. 15. 18.  Change the backward focus traversal keys for the application 15. 15. 19.  Change the forward focus traversal keys for a component 15. 15. 20.  JComponent.setFocusTraversalKeys(int arg0, Set arg1) 15. 15. 21.  KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS 15. 15. 22.  Setting Focus Traversal Keys for the Entire Application 15. 15. 23.  KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS 15. 15. 24.  KeyboardFocusManager.getCurrentKeyboardFocusManager().getDefaultFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS) 15. 15. 25.  KeyboardFocusManager.getCurrentKeyboardFocusManager().clearGlobalFocusOwner() 15. 15. 26.  Determining the Opposite Component of a Focus Event 15. 15. 27.  Listening to All Key Events Before Delivery to Focused Component 15. 15. 28.  Removing the Focus from the Application 15. 15. 29.  Use isFocusOwner to determine whether a particular component has the focus 15. 15. 30.  JComponent.WHEN_IN_FOCUSED_WINDOW 15. 15. 31.  Make sure that my Text field has the focus when a JFrame is created