Java/SWT JFace Eclipse/Menu

Содержание

1 Create a bar and pull down menu (accelerators, mnemonics)
2 Create a menu with radio items
3 Create a popup menu (set in multiple controls)
4 Demonstrates menus
5 Enable menu items dynamically (when menu shown)
6 Fill a menu dynamically (when menu shown)
7 Menu Examples
8 Menu Shell
9 Menu Shell 2
10 Menu Shell 3
11 Menu Shell 4
12 Menu Shell 5
13 Menu Shell 6
14 Shared Menu in SWT
15 Show a popup menu (wait for it to close)
16 SWT Menu and menu event
17 SWT Menu Example

Create a bar and pull down menu (accelerators, mnemonics)

/*
 * Menu example snippet: create a bar and pull down menu (accelerators, mnemonics)
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class Snippet29 {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Menu bar = new Menu(shell, SWT.BAR);
    shell.setMenuBar(bar);
    MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
    fileItem.setText("File");
    Menu submenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(submenu);
    MenuItem item = new MenuItem(submenu, SWT.PUSH);
    item.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event e) {
        System.out.println("Select All");
      }
    });
    item.setText("Select &All\tCtrl+A");
    item.setAccelerator(SWT.CTRL + "A");
    shell.setSize(200, 200);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

Create a menu with radio items

/*
 * Menu example snippet: create a menu with radio items
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class Snippet89 {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Menu menu = new Menu(shell, SWT.POP_UP);
    for (int i = 0; i < 4; i++) {
      MenuItem item = new MenuItem(menu, SWT.RADIO);
      item.setText("Item " + i);
      item.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
          MenuItem item = (MenuItem) e.widget;
          if (item.getSelection()) {
            System.out.println(item + " selected");
          } else {
            System.out.println(item + " unselected");
          }
        }
      });
    }
    shell.setMenu(menu);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

Create a popup menu (set in multiple controls)

/*
 * Menu example snippet: create a popup menu (set in multiple controls)
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.ruposite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class Snippet40 {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Composite c1 = new Composite(shell, SWT.BORDER);
    c1.setSize(100, 100);
    Composite c2 = new Composite(shell, SWT.BORDER);
    c2.setBounds(100, 0, 100, 100);
    Menu menu = new Menu(shell, SWT.POP_UP);
    MenuItem item = new MenuItem(menu, SWT.PUSH);
    item.setText("Popup");
    c1.setMenu(menu);
    c2.setMenu(menu);
    shell.setMenu(menu);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

Demonstrates menus

//Send questions, comments, bug reports, etc. to the authors:
//Rob Warner (rwarner@interspatial.ru)
//Robert Harris (rbrt_harris@yahoo.ru)
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
 * This class demonstrates menus
 */
public class Menus {
  private Image star;
  private Image circle;
  private Image square;
  private Image triangle;
  /**
   * Runs the application
   */
  public void run() {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Menus");
    createContents(shell);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    if (circle != null) circle.dispose();
    if (star != null) star.dispose();
    if (square != null) square.dispose();
    if (triangle != null) triangle.dispose();
    display.dispose();
  }
  /**
   * Creates the main window"s contents
   * 
   * @param shell the main window
   */
  private void createContents(Shell shell) {
    shell.setLayout(new FillLayout());
    createBarMenu(shell);
    createPopUpMenu(shell);
    createNoRadioGroupPopUpMenu(shell);
  }
  /**
   * Creates the bar menu for the main window
   * 
   * @param shell the main window
   */
  private void createBarMenu(Shell shell) {
    // Create the bar menu
    Menu menu = new Menu(shell, SWT.BAR);
    // Create all the items in the bar menu
    MenuItem fileItem = new MenuItem(menu, SWT.CASCADE);
    fileItem.setText("File");
    MenuItem editItem = new MenuItem(menu, SWT.CASCADE);
    editItem.setText("Edit");
    MenuItem formatItem = new MenuItem(menu, SWT.CASCADE);
    formatItem.setText("Format");
    MenuItem viewItem = new MenuItem(menu, SWT.CASCADE);
    viewItem.setText("View");
    MenuItem helpItem = new MenuItem(menu, SWT.CASCADE);
    helpItem.setText("Help");
    // Create the File item"s dropdown menu
    Menu fileMenu = new Menu(menu);
    fileItem.setMenu(fileMenu);
    // Create all the items in the File dropdown menu
    MenuItem newItem = new MenuItem(fileMenu, SWT.NONE);
    newItem.setText("New");
    MenuItem openItem = new MenuItem(fileMenu, SWT.NONE);
    openItem.setText("Open...");
    MenuItem saveItem = new MenuItem(fileMenu, SWT.NONE);
    saveItem.setText("Save");
    MenuItem saveAsItem = new MenuItem(fileMenu, SWT.NONE);
    saveAsItem.setText("Save As...");
    new MenuItem(fileMenu, SWT.SEPARATOR);
    MenuItem pageSetupItem = new MenuItem(fileMenu, SWT.NONE);
    pageSetupItem.setText("Page Setup...");
    MenuItem printItem = new MenuItem(fileMenu, SWT.NONE);
    printItem.setText("Print...");
    new MenuItem(fileMenu, SWT.SEPARATOR);
    MenuItem exitItem = new MenuItem(fileMenu, SWT.NONE);
    exitItem.setText("Exit");
    // Set the bar menu as the menu in the shell
    shell.setMenuBar(menu);
  }
  /**
   * Creates the left-half pop-up menu
   * 
   * @param shell the main window
   */
  private void createPopUpMenu(Shell shell) {
    // Create a composite that the pop-up menu will be
    // associated with
    Label label = new Label(shell, SWT.BORDER);
    label.setText("Pop-up Menu");
    // Create the pop-up menu
    Menu menu = new Menu(label);
    // Create the images
    star = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
        "jexp.gif"));
    circle = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
        "jexp.gif"));
    square = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
        "jexp.gif"));
    triangle = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
        "jexp.gif"));
    // Create all the items in the pop-up menu
    MenuItem newItem = new MenuItem(menu, SWT.CASCADE);
    newItem.setText("New");
    newItem.setImage(star);
    MenuItem refreshItem = new MenuItem(menu, SWT.NONE);
    refreshItem.setText("Refresh");
    refreshItem.setImage(circle);
    MenuItem deleteItem = new MenuItem(menu, SWT.NONE);
    deleteItem.setText("Delete");
    new MenuItem(menu, SWT.SEPARATOR);
    // Add a check menu item and select it
    MenuItem checkItem = new MenuItem(menu, SWT.CHECK);
    checkItem.setText("Check");
    checkItem.setSelection(true);
    checkItem.setImage(square);
    // Add a push menu item
    MenuItem pushItem = new MenuItem(menu, SWT.PUSH);
    pushItem.setText("Push");
    new MenuItem(menu, SWT.SEPARATOR);
    // Create some radio items
    MenuItem item1 = new MenuItem(menu, SWT.RADIO);
    item1.setText("Radio One");
    item1.setImage(triangle);
    MenuItem item2 = new MenuItem(menu, SWT.RADIO);
    item2.setText("Radio Two");
    MenuItem item3 = new MenuItem(menu, SWT.RADIO);
    item3.setText("Radio Three");
    // Create a new radio group
    new MenuItem(menu, SWT.SEPARATOR);
    // Create some radio items
    MenuItem itema = new MenuItem(menu, SWT.RADIO);
    itema.setText("Radio A");
    MenuItem itemb = new MenuItem(menu, SWT.RADIO);
    itemb.setText("Radio B");
    MenuItem itemc = new MenuItem(menu, SWT.RADIO);
    itemc.setText("Radio C");
    // Create the New item"s dropdown menu
    Menu newMenu = new Menu(menu);
    newItem.setMenu(newMenu);
    // Create the items in the New dropdown menu
    MenuItem shortcutItem = new MenuItem(newMenu, SWT.NONE);
    shortcutItem.setText("Shortcut");
    MenuItem iconItem = new MenuItem(newMenu, SWT.NONE);
    iconItem.setText("Icon");
    // Set the pop-up menu as the pop-up for the label
    label.setMenu(menu);
  }
  /**
   * Creates the No Radio Group pop-up menu
   * 
   * @param shell the main window
   */
  private void createNoRadioGroupPopUpMenu(Shell shell) {
    // Create a composite that the pop-up menu will be
    // associated with
    Label label = new Label(shell, SWT.BORDER);
    label.setText("No Radio Group Menu");
    // Create the pop-up menu with the No Radio Group style
    Menu menu = new Menu(shell, SWT.POP_UP | SWT.NO_RADIO_GROUP);
    label.setMenu(menu);
    // Create all the items in the pop-up menu
    MenuItem item1 = new MenuItem(menu, SWT.RADIO);
    item1.setText("Radio One");
    MenuItem item2 = new MenuItem(menu, SWT.RADIO);
    item2.setText("Radio Two");
    MenuItem item3 = new MenuItem(menu, SWT.RADIO);
    item3.setText("Radio Three");
    // Set the pop-up menu as the pop-up for the label
    label.setMenu(menu);
  }
  /**
   * The application entry point
   * 
   * @param args the command line arguments
   */
  public static void main(String[] args) {
    new Menus().run();
  }
}

Enable menu items dynamically (when menu shown)

/*
 * Menu example snippet: enable menu items dynamically (when menu shown)
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
public class Snippet73 {
public static void main (String [] args) {
  Display display = new Display ();
  Shell shell = new Shell (display);
  final Tree tree = new Tree (shell, SWT.BORDER | SWT.MULTI);
  final Menu menu = new Menu (shell, SWT.POP_UP);
  tree.setMenu (menu);
  for (int i=0; i<12; i++) {
    TreeItem treeItem = new TreeItem (tree, SWT.NONE);
    treeItem.setText ("Item " + i);
    MenuItem menuItem = new MenuItem (menu, SWT.PUSH);
    menuItem.setText (treeItem.getText ());
  }
  menu.addListener (SWT.Show, new Listener () {
    public void handleEvent (Event event) {
      MenuItem [] menuItems = menu.getItems ();
      TreeItem [] treeItems = tree.getSelection ();
      for (int i=0; i<menuItems.length; i++) {
        String text = menuItems [i].getText ();
        int index = 0;
        while (index<treeItems.length) {
          if (treeItems [index].getText ().equals (text)) break;
          index++;
        }
        menuItems [i].setEnabled (index != treeItems.length);
      }
    }
  });
  tree.setSize (200, 200);
  shell.setSize (300, 300);
  shell.open ();
  while (!shell.isDisposed ()) {
    if (!display.readAndDispatch ()) display.sleep ();
  }
  display.dispose ();
}
}

Fill a menu dynamically (when menu shown)

/*
 * Menu example snippet: fill a menu dynamically (when menu shown)
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
public class Snippet97 {
  public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    final Menu menu = new Menu(shell, SWT.POP_UP);
    tree.setMenu(menu);
    for (int i = 0; i < 12; i++) {
      TreeItem item = new TreeItem(tree, SWT.NONE);
      item.setText("Item " + i);
    }
    menu.addListener(SWT.Show, new Listener() {
      public void handleEvent(Event event) {
        MenuItem[] menuItems = menu.getItems();
        for (int i = 0; i < menuItems.length; i++) {
          menuItems[i].dispose();
        }
        TreeItem[] treeItems = tree.getSelection();
        for (int i = 0; i < treeItems.length; i++) {
          MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
          menuItem.setText(treeItems[i].getText());
        }
      }
    });
    tree.setSize(200, 200);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

Menu Examples

/*******************************************************************************
 * All Right Reserved. Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on Feb 24, 2004 2:23:13 PM by JACK $Id$
 *  
 ******************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class MenuExamples {
  Display display = new Display();
  Shell shell = new Shell(display);
  public MenuExamples() {
    init();
    Menu menuBar = new Menu(shell, SWT.BAR);
    
    MenuItem itemHello = new MenuItem(menuBar, SWT.PUSH);
    itemHello.setText("&Hello");
    itemHello.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        System.out.println("HELLO");
      }
    });
    MenuItem itemCascade = new MenuItem(menuBar, SWT.CASCADE);
    itemCascade.setText("&CASCADE item");
    Menu menu = new Menu(itemCascade);
    MenuItem itemPush = new MenuItem(menu, SWT.PUSH);
    itemPush.setText("&PUSH item\tCtrl+P");
    itemPush.setAccelerator(SWT.CTRL + "P");
    Image icon = new Image(shell.getDisplay(), "jexp.gif");
    itemPush.setImage(icon);
    itemPush.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        System.out.println("item selected: PUSH item");
      }
    });
    final MenuItem itemCheck = new MenuItem(menu, SWT.CHECK);
    itemCheck.setText("CHEC&K item\tCtrl+K");
    itemCheck.setAccelerator(SWT.CTRL + "K");
    itemCheck.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        System.out.println("item selected: CHECK item");
        System.out.println("Selection: " + itemCheck.getSelection());
      }
    });
    
    new MenuItem(menu, SWT.SEPARATOR);
    final MenuItem itemRadio = new MenuItem(menu, SWT.RADIO);
    itemRadio.setText("&RADIO item\tCtrl+R");
    itemRadio.setAccelerator(SWT.CTRL + "R");
    itemRadio.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        System.out.println("item selected: RADIO item");
        System.out.println("Selection: " + itemRadio.getSelection());
      }
    });
    itemCascade.setMenu(menu);
    //shell.setMenu(menuBar);
    shell.setMenuBar(menuBar);
    menuBar.setDefaultItem(itemCascade);
    shell.setSize(300, 120);
    shell.open();
    //textUser.forceFocus();
    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }
    display.dispose();
  }
  private void init() {
  }
  public static void main(String[] args) {
    new MenuExamples();
  }
}

Menu Shell

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Shell;
public class MenuShell {
  Display d;
  Shell s;
  MenuShell() {
    d = new Display();
    s = new Shell(d);
    s.setSize(500, 500);
    s.setImage(new Image(d, "jexp.gif"));
    s.setText("A Shell Menu Example");
    Menu m = new Menu(s, SWT.BAR);
    s.setMenuBar(m);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new MenuShell();
  }
}

Menu Shell 2

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class MenuShell2 {
  Display d;
  Shell s;
  MenuShell2() {
    d = new Display();
    s = new Shell(d);
    s.setSize(500, 500);
    s.setText("A Shell Menu Example");
    Menu m = new Menu(s, SWT.BAR);
    MenuItem file = new MenuItem(m, SWT.CASCADE);
    file.setText("File");
    Menu filemenu = new Menu(s, SWT.DROP_DOWN);
    file.setMenu(filemenu);
    MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
    openItem.setText("Open");
    MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
    exitItem.setText("Exit");
    s.setMenuBar(m);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new MenuShell2();
  }
}

Menu Shell 3

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.*;
public class MenuShell3 {
  Display d;
  Shell s;
  MenuShell3() {
    d = new Display();
    s = new Shell(d);
    s.setSize(300, 300);
    
    s.setText("A Shell Menu Example");
    Menu m = new Menu(s, SWT.BAR);
    // create a file menu and add an exit item
    final MenuItem file = new MenuItem(m, SWT.CASCADE);
    file.setText("File");
    final Menu filemenu = new Menu(s, SWT.DROP_DOWN);
    file.setMenu(filemenu);
    final MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
    openItem.setText("Open");
    final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
    final MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
    exitItem.setText("Exit");
    // create an edit menu and add cut copy and paste items
    final MenuItem edit = new MenuItem(m, SWT.CASCADE);
    edit.setText("Edit");
    final Menu editmenu = new Menu(s, SWT.DROP_DOWN);
    edit.setMenu(editmenu);
    final MenuItem cutItem = new MenuItem(editmenu, SWT.PUSH);
    cutItem.setText("Cut");
    final MenuItem copyItem = new MenuItem(editmenu, SWT.PUSH);
    copyItem.setText("Copy");
    final MenuItem pasteItem = new MenuItem(editmenu, SWT.PUSH);
    pasteItem.setText("Paste");
    //create a Window menu and add Child item
    final MenuItem window = new MenuItem(m, SWT.CASCADE);
    window.setText("Window");
    final Menu windowmenu = new Menu(s, SWT.DROP_DOWN);
    window.setMenu(windowmenu);
    final MenuItem maxItem = new MenuItem(windowmenu, SWT.PUSH);
    maxItem.setText("Maximize");
    final MenuItem minItem = new MenuItem(windowmenu, SWT.PUSH);
    minItem.setText("Minimize");
    // create a Help menu and add an about item
    final MenuItem help = new MenuItem(m, SWT.CASCADE);
    help.setText("Help");
    final Menu helpmenu = new Menu(s, SWT.DROP_DOWN);
    help.setMenu(helpmenu);
    final MenuItem aboutItem = new MenuItem(helpmenu, SWT.PUSH);
    aboutItem.setText("About");
    s.setMenuBar(m);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new MenuShell3();
  }
}

Menu Shell 4

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.*;
public class MenuShell4 {
  Display d;
  Shell s;
  MenuShell4() {
    d = new Display();
    s = new Shell(d);
    s.setSize(300, 300);
    s.setText("A Shell Menu Example");
    Menu m = new Menu(s, SWT.BAR);
    // create a file menu and add an exit item
    final MenuItem file = new MenuItem(m, SWT.CASCADE);
    file.setText("File");
    final Menu filemenu = new Menu(s, SWT.DROP_DOWN);
    file.setMenu(filemenu);
    final MenuItem openItem = new MenuItem(filemenu, SWT.CASCADE);
    openItem.setText("Open");
    final Menu submenu = new Menu(s, SWT.DROP_DOWN);
    openItem.setMenu(submenu);
    final MenuItem childItem = new MenuItem(submenu, SWT.PUSH);
    childItem.setText("Child");
    final MenuItem dialogItem = new MenuItem(submenu, SWT.PUSH);
    dialogItem.setText("Dialog");
    final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
    final MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
    exitItem.setText("Exit");
    // create an edit menu and add cut copy and paste items
    final MenuItem edit = new MenuItem(m, SWT.CASCADE);
    edit.setText("Edit");
    final Menu editmenu = new Menu(s, SWT.DROP_DOWN);
    edit.setMenu(editmenu);
    final MenuItem cutItem = new MenuItem(editmenu, SWT.PUSH);
    cutItem.setText("Cut");
    final MenuItem copyItem = new MenuItem(editmenu, SWT.PUSH);
    copyItem.setText("Copy");
    final MenuItem pasteItem = new MenuItem(editmenu, SWT.PUSH);
    pasteItem.setText("Paste");
    //create a Window menu and add Child item
    final MenuItem window = new MenuItem(m, SWT.CASCADE);
    window.setText("Window");
    final Menu windowmenu = new Menu(s, SWT.DROP_DOWN);
    window.setMenu(windowmenu);
    final MenuItem maxItem = new MenuItem(windowmenu, SWT.PUSH);
    maxItem.setText("Maximize");
    final MenuItem minItem = new MenuItem(windowmenu, SWT.PUSH);
    minItem.setText("Minimize");
    // create a Help menu and add an about item
    final MenuItem help = new MenuItem(m, SWT.CASCADE);
    help.setText("Help");
    final Menu helpmenu = new Menu(s, SWT.DROP_DOWN);
    help.setMenu(helpmenu);
    final MenuItem aboutItem = new MenuItem(helpmenu, SWT.PUSH);
    aboutItem.setText("About");
    s.setMenuBar(m);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new MenuShell4();
  }
}

Menu Shell 5

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class MenuShell5 {
  Display d;
  Shell s;
  MenuShell5() {
    d = new Display();
    s = new Shell(d);
    s.setSize(500, 500);
    s.setText("A Shell Menu Example");
    Menu m = new Menu(s, SWT.BAR);
    // create a file menu and add an exit item
    final MenuItem file = new MenuItem(m, SWT.CASCADE);
    file.setText("File");
    final Menu filemenu = new Menu(s, SWT.DROP_DOWN);
    file.setMenu(filemenu);
    // create an open menu and to sub-menu items
    final MenuItem openItem = new MenuItem(filemenu, SWT.CASCADE);
    openItem.setText("Open");
    final Menu submenu = new Menu(s, SWT.DROP_DOWN);
    openItem.setMenu(submenu);
    final MenuItem childItem = new MenuItem(submenu, SWT.PUSH);
    childItem.setText("Child");
    final MenuItem dialogItem = new MenuItem(submenu, SWT.PUSH);
    dialogItem.setText("Dialog");
    //add a separator
    final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
    // create an exit menu item
    final MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
    exitItem.setText("Exit");
    // create an edit menu and add cut copy and paste items
    final MenuItem edit = new MenuItem(m, SWT.CASCADE);
    edit.setText("Edit");
    final Menu editmenu = new Menu(s, SWT.DROP_DOWN);
    edit.setMenu(editmenu);
    final MenuItem cutItem = new MenuItem(editmenu, SWT.PUSH);
    cutItem.setText("Cut");
    final MenuItem copyItem = new MenuItem(editmenu, SWT.PUSH);
    copyItem.setText("Copy");
    final MenuItem pasteItem = new MenuItem(editmenu, SWT.PUSH);
    pasteItem.setText("Paste");
    //create a Window menu and add Child item
    final MenuItem window = new MenuItem(m, SWT.CASCADE);
    window.setText("Window");
    final Menu windowmenu = new Menu(s, SWT.DROP_DOWN);
    window.setMenu(windowmenu);
    final MenuItem maxItem = new MenuItem(windowmenu, SWT.PUSH);
    maxItem.setText("Maximize");
    final MenuItem minItem = new MenuItem(windowmenu, SWT.PUSH);
    minItem.setText("Minimize");
    // create a Help menu and add an about item
    final MenuItem help = new MenuItem(m, SWT.CASCADE);
    help.setText("Help");
    final Menu helpmenu = new Menu(s, SWT.DROP_DOWN);
    help.setMenu(helpmenu);
    final MenuItem aboutItem = new MenuItem(helpmenu, SWT.PUSH);
    aboutItem.setText("About");
    childItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        Shell parent = (Shell) maxItem.getParent().getParent();
        ChildShell cs = new ChildShell(parent);
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    dialogItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        Shell parent = (Shell) maxItem.getParent().getParent();
        DialogExample de = new DialogExample(parent);
        de.open();
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    exitItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        System.exit(0);
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    cutItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println("Cut");
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    copyItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println("Copy");
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    pasteItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println("Paste");
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    maxItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        Shell parent = (Shell) maxItem.getParent().getParent();
        parent.setMaximized(true);
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    minItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        Shell parent = (Shell) minItem.getParent().getParent();
        parent.setMaximized(false);
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    aboutItem.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        Shell parent = (Shell) minItem.getParent().getParent();
        parent.setMaximized(false);
      }
      public void widgetDefaultSelected(SelectionEvent e) {
      }
    });
    s.setMenuBar(m);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new MenuShell5();
  }
}
class DialogExample extends Dialog {
  DialogExample(Shell parent) {
    super(parent);
  }
  public String open() {
    Shell parent = getParent();
    Shell dialog = new Shell(parent, SWT.DIALOG_TRIM
        | SWT.APPLICATION_MODAL);
    dialog.setSize(100, 100);
    dialog.setText("Java Source and Support");
    dialog.open();
    Display display = parent.getDisplay();
    while (!dialog.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    return "After Dialog";
  }
  public static void main(String[] argv) {
    new DialogExample(new Shell());
  }
}
class ChildShell {
  ChildShell(Shell parent) {
    Shell child = new Shell(parent);
    child.setSize(200, 200);
    child.open();
  }
}

Menu Shell 6

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class MenuShell6 {
  Display d;
  Shell s;
  MenuShell6() {
    d = new Display();
    s = new Shell(d);
    s.setSize(500, 500);
    s.setText("A Shell Menu Example");
    final Menu m = new Menu(s, SWT.BAR);
    // create a file menu and add an exit item
    final MenuItem file = new MenuItem(m, SWT.CASCADE);
    file.setText("&File");
    final Menu filemenu = new Menu(s, SWT.DROP_DOWN);
    file.setMenu(filemenu);
    final MenuItem openItem = new MenuItem(filemenu, SWT.CASCADE);
    openItem.setText("&Open");
    final Menu submenu = new Menu(s, SWT.DROP_DOWN);
    openItem.setMenu(submenu);
    final MenuItem childItem = new MenuItem(submenu, SWT.PUSH);
    childItem.setText("&Child\tCTRL+C");
    childItem.setAccelerator(SWT.CTRL + "C");
    final MenuItem dialogItem = new MenuItem(submenu, SWT.PUSH);
    dialogItem.setText("&Dialog\tCTRL+D");
    dialogItem.setAccelerator(SWT.CTRL + "D");
    final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
    final MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
    exitItem.setText("E&xit");
    // create an edit menu and add cut copy and paste items
    final MenuItem edit = new MenuItem(m, SWT.CASCADE);
    edit.setText("&Edit");
    final Menu editmenu = new Menu(s, SWT.DROP_DOWN);
    edit.setMenu(editmenu);
    final MenuItem cutItem = new MenuItem(editmenu, SWT.PUSH);
    cutItem.setText("&Cut");
    final MenuItem copyItem = new MenuItem(editmenu, SWT.PUSH);
    copyItem.setText("Co&py");
    final MenuItem pasteItem = new MenuItem(editmenu, SWT.PUSH);
    pasteItem.setText("&Paste");
    //create an options menu and add menu items
    final MenuItem options = new MenuItem(m, SWT.CASCADE);
    options.setText("&Options");
    final Menu optionsmenu = new Menu(s, SWT.DROP_DOWN);
    options.setMenu(optionsmenu);
    final MenuItem checkItem = new MenuItem(optionsmenu, SWT.CHECK);
    checkItem.setText("&Checked Option");
    final MenuItem optionsseparator = new MenuItem(optionsmenu,
        SWT.SEPARATOR);
    final MenuItem radioItem1 = new MenuItem(optionsmenu, SWT.RADIO);
    radioItem1.setText("Radio &One");
    final MenuItem radioItem2 = new MenuItem(optionsmenu, SWT.RADIO);
    radioItem2.setText("Radio &Two");
    //create a Window menu and add Child item
    final MenuItem window = new MenuItem(m, SWT.CASCADE);
    window.setText("&Window");
    final Menu windowmenu = new Menu(s, SWT.DROP_DOWN);
    window.setMenu(windowmenu);
    final MenuItem maxItem = new MenuItem(windowmenu, SWT.PUSH);
    maxItem.setText("Ma&ximize");
    final MenuItem minItem = new MenuItem(windowmenu, SWT.PUSH);
    minItem.setText("Mi&nimize");
    // create a Help menu and add an about item
    final MenuItem help = new MenuItem(m, SWT.CASCADE);
    help.setText("&Help");
    final Menu helpmenu = new Menu(s, SWT.DROP_DOWN);
    help.setMenu(helpmenu);
    final MenuItem aboutItem = new MenuItem(helpmenu, SWT.PUSH);
    aboutItem.setText("&About");
    // add action listeners for the menu items
    // this code is the same as seen previously so it is
    // omitted here
    s.setMenuBar(m);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new MenuShell6();
  }
}

Shared Menu in SWT

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 5, 2004 2:50:44 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.ru/swt
 *****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.ruposite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class SharedMenu {
  Display display = new Display();
  Shell shell = new Shell(display);
  public SharedMenu() {
    menu();
    shell.pack();
    shell.open();
    
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }
    display.dispose();
  }
  
  private void menu() {
    shell.setLayout(new GridLayout(2, true));
    
    final Composite composite1 = new Composite(shell, SWT.BORDER);
    composite1.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
    
    final Composite composite2 = new Composite(shell, SWT.BORDER);
    composite2.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
    
    Menu menu = new Menu(composite1);
    MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
    menuItem.setText("Popup menu");
    
    menuItem.addDisposeListener(new DisposeListener() {
      public void widgetDisposed(DisposeEvent e) {
        System.out.println("Menu item is disposed.");
      }
    });
    menuItem.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println("Dispsoing ...");
        //composite2.setMenu(null);
        composite2.dispose();
      }
    });
    
    composite1.setMenu(menu);
    composite2.setMenu(menu);
  }
/*  
  private void complex() {
    shell.setLayout(new GridLayout(2, true));
    
    Label label = new Label(shell, SWT.NULL);
    label.setText("Label");
    
    Composite composite = new Composite(shell, SWT.NULL);
    composite.setLayout(new GridLayout());
    
    Button button1 = new Button(composite, SWT.PUSH);
    button1.setText("Button 1");
    
    Button button2 = new Button(composite, SWT.PUSH);
    button2.setText("Button 2");
    
  }
  
  private void addButton() {
    shell.setLayout(new GridLayout());
    
    Label label = new Label(shell, SWT.NULL);
    
    final Color color = new Color(display, 255, 0, 0);
    
    label.setForeground(color);
    label.setForeground(display.getSystemColor(SWT.COLOR_RED));
    
    label.setText("Testing label");
    
    label.addDisposeListener(new DisposeListener() {
      public void widgetDisposed(DisposeEvent e) {
        color.dispose();
      }
    });
  }
  private void draw() {
    GC gc = new GC(shell);
    gc.setLineWidth(3);
    
    //Color color = new Color(display, 255, 0, 0);
    
    //gc.setForeground(color);
    gc.drawRectangle(10, 10, 200, 100);
    
    gc.dispose();
  }
*/
  public static void main(String[] args) {
    new SharedMenu();
  }
  
}

Show a popup menu (wait for it to close)

/*
 * Menu example snippet: show a popup menu (wait for it to close)
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class Snippet131 {
  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.addListener(SWT.MenuDetect, new Listener() {
      public void handleEvent(Event event) {
        Menu menu = new Menu(shell, SWT.POP_UP);
        MenuItem item = new MenuItem(menu, SWT.PUSH);
        item.setText("Menu Item");
        item.addListener(SWT.Selection, new Listener() {
          public void handleEvent(Event e) {
            System.out.println("Item Selected");
          }
        });
        menu.setLocation(event.x, event.y);
        menu.setVisible(true);
        while (!menu.isDisposed() && menu.isVisible()) {
          if (!display.readAndDispatch())
            display.sleep();
        }
        menu.dispose();
      }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

SWT Menu and menu event

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class MenuClass {
  Display display;
  Shell shell;
  Menu menuBar, fileMenu, editMenu;
  MenuItem fileMenuHeader, editMenuHeader;
  MenuItem fileExitItem, fileSaveItem, fileEnglishItem, fileGermanItem,
      editCopyItem;
  Text text;
  public MenuClass() {
    display = new Display();
    shell = new Shell(display);
    shell.setText("Menu Example");
    shell.setSize(300, 200);
    text = new Text(shell, SWT.BORDER);
    text.setBounds(80, 50, 150, 25);
    menuBar = new Menu(shell, SWT.BAR);
    fileMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
    fileMenuHeader.setText("&File");
    fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileMenuHeader.setMenu(fileMenu);
    fileSaveItem = new MenuItem(fileMenu, SWT.PUSH);
    fileSaveItem.setText("&Save");
    fileEnglishItem = new MenuItem(fileMenu, SWT.RADIO);
    fileEnglishItem.setText("English");
    fileGermanItem = new MenuItem(fileMenu, SWT.RADIO);
    fileGermanItem.setText("German");
    fileExitItem = new MenuItem(fileMenu, SWT.PUSH);
    fileExitItem.setText("E&xit");
    editMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
    editMenuHeader.setText("&Edit");
    editMenu = new Menu(shell, SWT.DROP_DOWN);
    editMenuHeader.setMenu(editMenu);
    editCopyItem = new MenuItem(editMenu, SWT.PUSH);
    editCopyItem.setText("&Copy");
    fileExitItem.addSelectionListener(new MenuItemListener());
    fileSaveItem.addSelectionListener(new MenuItemListener());
    editCopyItem.addSelectionListener(new MenuItemListener());
    fileEnglishItem.addSelectionListener(new RadioItemListener());
    fileGermanItem.addSelectionListener(new RadioItemListener());
    shell.setMenuBar(menuBar);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
  class MenuItemListener extends SelectionAdapter {
    public void widgetSelected(SelectionEvent event) {
      if (((MenuItem) event.widget).getText().equals("E&xit")) {
        shell.close();
      }
      text.setText("You selected " + ((MenuItem) event.widget).getText());
    }
  }
  class RadioItemListener extends SelectionAdapter {
    public void widgetSelected(SelectionEvent event) {
      MenuItem item = (MenuItem) event.widget;
      text.setText(item.getText() + " is on.");
    }
  }
  public static void main(String[] args) {
    MenuClass menuExample = new MenuClass();
  }
}

SWT Menu Example

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class SWTMenuExample {
  Display display;
  Shell shell;
  Menu menuBar, fileMenu, helpMenu;
  MenuItem fileMenuHeader, helpMenuHeader;
  MenuItem fileExitItem, fileSaveItem, helpGetHelpItem;
  Label label;
  public SWTMenuExample() {
    display = new Display();
    shell = new Shell(display);
    shell.setText("Menu Example");
    shell.setSize(300, 200);
    label = new Label(shell, SWT.CENTER);
    label.setBounds(shell.getClientArea());
    menuBar = new Menu(shell, SWT.BAR);
    fileMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
    fileMenuHeader.setText("&File");
    fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileMenuHeader.setMenu(fileMenu);
    fileSaveItem = new MenuItem(fileMenu, SWT.PUSH);
    fileSaveItem.setText("&Save");
    fileExitItem = new MenuItem(fileMenu, SWT.PUSH);
    fileExitItem.setText("E&xit");
    helpMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
    helpMenuHeader.setText("&Help");
    helpMenu = new Menu(shell, SWT.DROP_DOWN);
    helpMenuHeader.setMenu(helpMenu);
    helpGetHelpItem = new MenuItem(helpMenu, SWT.PUSH);
    helpGetHelpItem.setText("&Get Help");
    fileExitItem.addSelectionListener(new fileExitItemListener());
    fileSaveItem.addSelectionListener(new fileSaveItemListener());
    helpGetHelpItem.addSelectionListener(new helpGetHelpItemListener());
    shell.setMenuBar(menuBar);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
  class fileExitItemListener implements SelectionListener {
    public void widgetSelected(SelectionEvent event) {
      shell.close();
      display.dispose();
    }
    public void widgetDefaultSelected(SelectionEvent event) {
      shell.close();
      display.dispose();
    }
  }
  class fileSaveItemListener implements SelectionListener {
    public void widgetSelected(SelectionEvent event) {
      label.setText("Saved");
    }
    public void widgetDefaultSelected(SelectionEvent event) {
      label.setText("Saved");
    }
  }
  class helpGetHelpItemListener implements SelectionListener {
    public void widgetSelected(SelectionEvent event) {
      label.setText("No worries!");
    }
    public void widgetDefaultSelected(SelectionEvent event) {
      label.setText("No worries!");
    }
  }
  public static void main(String[] args) {
    SWTMenuExample menuExample = new SWTMenuExample();
  }
}

Java/SWT JFace Eclipse/Menu

Содержание

Create a bar and pull down menu (accelerators, mnemonics)

Create a menu with radio items

Create a popup menu (set in multiple controls)

Demonstrates menus

Enable menu items dynamically (when menu shown)

Fill a menu dynamically (when menu shown)

Menu Examples

Menu Shell

Menu Shell 2

Menu Shell 3

Menu Shell 4

Menu Shell 5

Menu Shell 6

Shared Menu in SWT

Show a popup menu (wait for it to close)

SWT Menu and menu event

SWT Menu Example

Навигация

Персональные инструменты

Пространства имён

Варианты

Просмотры

Ещё

Поиск

Разделы

Навигация

Инструменты