snippet47.java

Eclipse JAVA开发软件中SWT各控件范例源码

/*******************************************************************************
 * Copyright (c) 2000, 2004 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;

/*
 * ToolBar example snippet: create tool bar (normal, hot and disabled images)
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;

public class Snippet47 {

public static void main (String [] args) {
	Display display = new Display ();
	Shell shell = new Shell (display);

	Image image = new Image (display, 20, 20);
	Color color = display.getSystemColor (SWT.COLOR_BLUE);
	GC gc = new GC (image);
	gc.setBackground (color);
	gc.fillRectangle (image.getBounds ());
	gc.dispose ();
	
	Image disabledImage = new Image (display, 20, 20);
	color = display.getSystemColor (SWT.COLOR_GREEN);
	gc = new GC (disabledImage);
	gc.setBackground (color);
	gc.fillRectangle (disabledImage.getBounds ());
	gc.dispose ();
	
	Image hotImage = new Image (display, 20, 20);
	color = display.getSystemColor (SWT.COLOR_RED);
	gc = new GC (hotImage);
	gc.setBackground (color);
	gc.fillRectangle (hotImage.getBounds ());
	gc.dispose ();
	
	ToolBar bar = new ToolBar (shell, SWT.BORDER | SWT.FLAT);
	bar.setSize (200, 32);
	for (int i=0; i<12; i++) {
		ToolItem item = new ToolItem (bar, 0);
		item.setImage (image);
		item.setDisabledImage (disabledImage);
		item.setHotImage (hotImage);
		if (i % 3 == 0) item.setEnabled (false);
	}
	
	shell.open ();
	while (!shell.isDisposed ()) {
		if (!display.readAndDispatch ()) display.sleep ();
	}
	image.dispose ();
	disabledImage.dispose ();
	hotImage.dispose ();
	display.dispose ();
}
}