Examples of java.awt.peer.MenuBarPeer

java.awt.peer.MenuBarPeer
The peer interfaces are intended only for use in porting the AWT. They are not intended for use by application developers, and developers should not implement peers nor invoke any of the peer methods directly on the peer instances.

   *
   * @return the menu that was added
   */
  public synchronized Menu add(Menu menu)
  {
    MenuBarPeer myPeer = (MenuBarPeer) getPeer ();


    MenuContainer parent = menu.getParent();
    if (parent != null)
      parent.remove(menu);


    menus.addElement(menu);
    menu.setParent(this);


    if (myPeer != null)
      {
        menu.addNotify();
        myPeer.addMenu(menu);
      }
    return menu;
  }

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   * @param index the index of the menu to remove from the menu bar
   */
  public synchronized void remove(int index)
  {
    Menu m = (Menu) menus.remove(index);
    MenuBarPeer mp = (MenuBarPeer) getPeer();


    if (mp != null)
      m.removeNotify();


    m.setParent(null);


    if (mp != null)
      mp.delMenu(index);
  }

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  /**
   * Creates this object's native peer.
   */
  public void addNotify()
  {
    MenuBarPeer peer = (MenuBarPeer) getPeer();
    if (peer == null)
      {
  peer = getToolkit().createMenuBar(this);
  setPeer(peer);
      }


    Enumeration e = menus.elements();
    while (e.hasMoreElements())
      {
        Menu mi = (Menu)e.nextElement();
        mi.addNotify();
  peer.addMenu(mi);
      }


    if (helpMenu != null)
      {
        helpMenu.addNotify();
        peer.addHelpMenu(helpMenu);
      }
  }

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            }
            helpMenu = m;
            if (m != null) {
                m.isHelpMenu = true;
                m.parent = this;
                MenuBarPeer peer = (MenuBarPeer)this.peer;
                if (peer != null) {
                    if (m.peer == null) {
                        m.addNotify();
                    }
                    peer.addHelpMenu(m);
                }
            }
        }
    }

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                m.parent.remove(m);
            }
            menus.addElement(m);
            m.parent = this;


            MenuBarPeer peer = (MenuBarPeer)this.peer;
            if (peer != null) {
                if (m.peer == null) {
                    m.addNotify();
                }
                peer.addMenu(m);
            }
            return m;
        }
    }

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     */
    public void remove(int index) {
        synchronized (getTreeLock()) {
            Menu m = getMenu(index);
            menus.removeElementAt(index);
            MenuBarPeer peer = (MenuBarPeer)this.peer;
            if (peer != null) {
                m.removeNotify();
                m.parent = null;
                peer.delMenu(index);
            }
        }
    }

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Related Classes of java.awt.peer.MenuBarPeer

java.awt.Frame

java.awt.MenuBar

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