/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* Display snippet: use the application system menu when available.
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
* @since 3.7
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ArmEvent;
import org.eclipse.swt.events.ArmListener;
import org.eclipse.swt.events.MenuEvent;
import org.eclipse.swt.events.MenuListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
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 Snippet354 {
static MenuItem getItem(Menu menu, int id) {
MenuItem[] items = menu.getItems();
for (int i = 0; i < items.length; i++) {
if (items[i].getID() == id) {
return items[i];
}
}
return null;
}
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new GridLayout(1, false));
Menu appMenuBar = display.getMenuBar();
if (appMenuBar == null) {
appMenuBar = new Menu(shell, SWT.BAR);
shell.setMenuBar(appMenuBar);
}
MenuItem file = new MenuItem(appMenuBar, SWT.CASCADE);
file.setText("File");
Menu dropdown = new Menu(appMenuBar);
file.setMenu(dropdown);
MenuItem exit = new MenuItem(dropdown, SWT.PUSH);
exit.setText("Exit");
exit.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
display.dispose();
};
});
Listener keyDownFilter = new Listener() {
@Override
public void handleEvent(Event event) {
System.out.println("Key event!");
}
};
display.addFilter(SWT.KeyDown, keyDownFilter);
display.addFilter(SWT.KeyUp, keyDownFilter);
ArmListener armListener = new ArmListener() {
@Override
public void widgetArmed(ArmEvent e) {
System.out.println(e);
}
};
Menu systemMenu = display.getSystemMenu();
if (systemMenu != null) {
systemMenu.addMenuListener(new MenuListener() {
@Override
public void menuHidden(MenuEvent e) {
System.out.println("App menu closed");
}
@Override
public void menuShown(MenuEvent e) {
System.out.println("App menu opened");
}
});
MenuItem sysItem = getItem(systemMenu, SWT.ID_QUIT);
sysItem.addArmListener(armListener);
sysItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.out.println("Quit selected");
};
});
sysItem = getItem(systemMenu, SWT.ID_HIDE_OTHERS);
sysItem.addArmListener(armListener);
sysItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.out.println("Hide others selected -- and blocked!");
e.doit = false;
};
});
sysItem = getItem(systemMenu, SWT.ID_HIDE);
sysItem.addArmListener(armListener);
sysItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.out.println("Hide selected -- and blocked!");
e.doit = false;
};
});
sysItem = getItem(systemMenu, SWT.ID_PREFERENCES);
sysItem.addArmListener(armListener);
sysItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.out.println("Preferences selected");
};
});
sysItem = getItem(systemMenu, SWT.ID_ABOUT);
sysItem.addArmListener(armListener);
sysItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.out.println("About selected");
};
});
int prefsIndex = systemMenu.indexOf(getItem(systemMenu, SWT.ID_PREFERENCES));
MenuItem newAppMenuItem = new MenuItem(systemMenu, SWT.CASCADE, prefsIndex + 1);
newAppMenuItem.setText("SWT-added item");
newAppMenuItem.setAccelerator(SWT.MOD1 | 'i');
newAppMenuItem.addArmListener(armListener);
newAppMenuItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.out.println("SWT-added item selected");
};
});
Menu subMenu = new Menu(systemMenu);
for (int i = 0; i < 4; i++) {
MenuItem subItem = new MenuItem(subMenu, SWT.PUSH);
subItem.setText("Item " + i);
}
newAppMenuItem.setMenu(subMenu);
}
Button b = new Button(shell, SWT.PUSH);
b.setText("Test");
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}