| /******************************************************************************* |
| * Copyright (c) 2000, 2008 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.events; |
| |
| |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.graphics.GC; |
| |
| /** |
| * Instances of this class are sent as a result of |
| * visible areas of controls requiring re-painting. |
| * |
| * @see PaintListener |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| */ |
| |
| public final class PaintEvent extends TypedEvent { |
| |
| /** |
| * the graphics context to use when painting |
| * that is configured to use the colors, font and |
| * damaged region of the control. It is valid |
| * only during the paint and must not be disposed |
| */ |
| public GC gc; |
| |
| /** |
| * the x offset of the bounding rectangle of the |
| * region that requires painting |
| */ |
| public int x; |
| |
| /** |
| * the y offset of the bounding rectangle of the |
| * region that requires painting |
| */ |
| public int y; |
| |
| /** |
| * the width of the bounding rectangle of the |
| * region that requires painting |
| */ |
| public int width; |
| |
| /** |
| * the height of the bounding rectangle of the |
| * region that requires painting |
| */ |
| public int height; |
| |
| /** |
| * the number of following paint events which |
| * are pending which may always be zero on |
| * some platforms |
| */ |
| public int count; |
| |
| static final long serialVersionUID = 3256446919205992497L; |
| |
| /** |
| * Constructs a new instance of this class based on the |
| * information in the given untyped event. |
| * |
| * @param e the untyped event containing the information |
| */ |
| public PaintEvent(Event e) { |
| super(e); |
| this.gc = e.gc; |
| this.x = e.x; |
| this.y = e.y; |
| this.width = e.width; |
| this.height = e.height; |
| this.count = e.count; |
| } |
| |
| /** |
| * Returns a string containing a concise, human-readable |
| * description of the receiver. |
| * |
| * @return a string representation of the event |
| */ |
| public String toString() { |
| String string = super.toString (); |
| return string.substring (0, string.length() - 1) // remove trailing '}' |
| + " gc=" + gc |
| + " x=" + x |
| + " y=" + y |
| + " width=" + width |
| + " height=" + height |
| + " count=" + count |
| + "}"; |
| } |
| } |
| |