shell2.java

SWTJFace篇项目源程序该项目包含 包含了Eclipse下构建swt的基本工程

package cn.com.chengang.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.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Shell2 {
	public static void main(String[] args) {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(500, 375);
		shell.setText("主窗口");
		shell.setLayout(new RowLayout());
		Button button = new Button(shell, SWT.NONE);
		button.setText("打开新窗口");
		button.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				shell.setVisible(false);// 隐藏主窗口
				// 创建新窗口
				final Shell newShell = new Shell(shell, SWT.CLOSE);
				newShell.setText("新窗口");
				newShell.setSize(300, 300);
				newShell.setLayout(new RowLayout());
				// 监听关闭事件。当新窗口关闭时显示主窗口
				newShell.addDisposeListener(new DisposeListener() {
					public void widgetDisposed(DisposeEvent e) {
						if (!shell.isVisible())
							shell.setVisible(true);
					}
				});
				final Button visibleButton = new Button(newShell, SWT.NONE);
				visibleButton.setText("显示/隐藏主窗口");
				visibleButton.addSelectionListener(new SelectionAdapter() {
					private boolean flag = true;

					public void widgetSelected(final SelectionEvent e) {
						shell.setVisible(flag);
						flag = !flag;
						// 因为shell是newShell的父容器，所以shell隐藏newShell也会跟着隐藏，因此要重新显示newShell
						newShell.setVisible(true);
						newShell.setActive();
					}
				});
				newShell.open();
			}

		});
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
	}
}