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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();
}
}
