KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS : 焦点事件 « 事件 « Java

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Java 教程
Java » 事件 » 焦点事件屏幕截图 
KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS
  

import java.awt.KeyboardFocusManager;
import java.util.HashSet;
import java.util.Set;

import javax.swing.JButton;
import javax.swing.KeyStroke;

public class Main {
  public static void main(String[] argvthrows Exception {
    JButton component = new JButton("a");

    Set set = new HashSet(component
        .getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));

    set.add(KeyStroke.getKeyStroke("F2"));
    component.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);

  }
}

   
    
  
Related examples in the same category
1. 设置焦点遍历
2. 改变焦点点遍历
3. JComponent.setFocusTraversalKeys(int arg0, Set arg1)
4. 设置整个应用程序的焦点遍历键
5. Changes the focus traversal keys for the entire application.
6. Change the backward focus traversal keys for the application
7. KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS
8. KeyboardFocusManager.getCurrentKeyboardFocusManager().getDefaultFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS)
9. Remove all forward focus traversal keys for the application
10. Remove all backward focus traversal keys for the application
11. Modify a component: press space bar or F2 to move focus to next focusable component.
12. Press shift space or shift F2 to move the focus to the previous focusable component.
13. 设置初始焦点在一个窗口组件
14. 寻找下一步焦点组件
15. 查找以前的焦点组件
16. 临时或永久失去焦点
17. Determining the Opposite Component of a Focus Event
18. 验证JTextField,当永久失去焦点
19. 从应用程序删除焦点
20. 使用焦点事件
21. Null is returned if none of the components in this application has the focus
22. Null is returned if none of the windows in this application has the focus
23. 听取所有焦点的变化和窗口
24. 防止组件获得焦点
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