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AWT PopupMenu Class
Introduction
Popup menu represents a menu which can be dynamically popped up at a specified position within a component.
Class declaration
Following is the declaration for java.awt.PopupMenu class:
public class CheckboxMenuItem extends MenuItem implements ItemSelectable, Accessible
Class constructors
S.N. | Constructor & Description |
---|---|
1 | PopupMenu() Creates a new popup menu with an empty name. |
2 | PopupMenu(String label) Creates a new popup menu with the specified name. |
Class methods
S.N. | Method & Description |
---|---|
1 | void addNotify() Creates the popup menu's peer. |
2 | AccessibleContext getAccessibleContext() Gets the AccessibleContext associated with this PopupMenu. |
3 | MenuContainer getParent() Returns the parent container for this menu component. |
4 | void show(Component origin, int x, int y) Shows the popup menu at the x, y position relative to an origin component. |
Methods inherited
This class inherits methods from the following classes:
java.awt.MenuItem
java.awt.MenuComponent
java.lang.Object
PopupMenu Example
Create the following java program using any editor of your choice in say D:/ > AWT > com > tutorialspoint > gui >
AWTMenuDemo.javapackage com.tutorialspoint.gui; import java.awt.*; import java.awt.event.*; public class AWTMenuDemo { private Frame mainFrame; private Label headerLabel; private Label statusLabel; private Panel controlPanel; public AWTMenuDemo(){ prepareGUI(); } public static void main(String[] args){ AWTMenuDemo awtMenuDemo = new AWTMenuDemo(); awtMenuDemo.showPopupMenuDemo(); } private void prepareGUI(){ mainFrame = new Frame("Java AWT Examples"); mainFrame.setSize(400,400); mainFrame.setLayout(new GridLayout(3, 1)); mainFrame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent windowEvent){ System.exit(0); } }); headerLabel = new Label(); headerLabel.setAlignment(Label.CENTER); statusLabel = new Label(); statusLabel.setAlignment(Label.CENTER); statusLabel.setSize(350,100); controlPanel = new Panel(); controlPanel.setLayout(new FlowLayout()); mainFrame.add(headerLabel); mainFrame.add(controlPanel); mainFrame.add(statusLabel); mainFrame.setVisible(true); } private void showPopupMenuDemo(){ final PopupMenu editMenu = new PopupMenu("Edit"); MenuItem cutMenuItem = new MenuItem("Cut"); cutMenuItem.setActionCommand("Cut"); MenuItem copyMenuItem = new MenuItem("Copy"); copyMenuItem.setActionCommand("Copy"); MenuItem pasteMenuItem = new MenuItem("Paste"); pasteMenuItem.setActionCommand("Paste"); MenuItemListener menuItemListener = new MenuItemListener(); cutMenuItem.addActionListener(menuItemListener); copyMenuItem.addActionListener(menuItemListener); pasteMenuItem.addActionListener(menuItemListener); editMenu.add(cutMenuItem); editMenu.add(copyMenuItem); editMenu.add(pasteMenuItem); controlPanel.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { editMenu.show(controlPanel, e.getX(), e.getY()); } }); controlPanel.add(editMenu); mainFrame.setVisible(true); } class MenuItemListener implements ActionListener { public void actionPerformed(ActionEvent e) { statusLabel.setText(e.getActionCommand() + " MenuItem clicked."); } } }
Compile the program using command prompt. Go to D:/ > AWT and type the following command.
D:\AWT>javac com\tutorialspoint\gui\AWTMenuDemo.java
If no error comes that means compilation is successful. Run the program using following command.
D:\AWT>java com.tutorialspoint.gui.AWTMenuDemo
Verify the following output. (Click in the middle on the screen.)
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