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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2003 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *******************************************************************************/
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11 module org.eclipse.swt.events.MouseTrackListener;
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12
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13
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14 public import org.eclipse.swt.internal.SWTEventListener;
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15 public import org.eclipse.swt.events.MouseEvent;
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16
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17 /**
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18 * Classes which implement this interface provide methods
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19 * that deal with the events that are generated as the mouse
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20 * pointer passes (or hovers) over controls.
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21 * <p>
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22 * After creating an instance of a class that :
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23 * this interface it can be added to a control using the
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24 * <code>addMouseTrackListener</code> method and removed using
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25 * the <code>removeMouseTrackListener</code> method. When the
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26 * mouse pointer passes into or out of the area of the screen
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27 * covered by a control or pauses while over a control, the
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28 * appropriate method will be invoked.
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29 * </p>
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30 *
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31 * @see MouseTrackAdapter
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32 * @see MouseEvent
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33 */
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34 public interface MouseTrackListener : SWTEventListener {
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35
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36 /**
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37 * Sent when the mouse pointer passes into the area of
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38 * the screen covered by a control.
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39 *
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40 * @param e an event containing information about the mouse enter
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41 */
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42 public void mouseEnter(MouseEvent e);
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43
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44 /**
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45 * Sent when the mouse pointer passes out of the area of
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46 * the screen covered by a control.
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47 *
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48 * @param e an event containing information about the mouse exit
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49 */
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50 public void mouseExit(MouseEvent e);
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51
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52 /**
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53 * Sent when the mouse pointer hovers (that is, stops moving
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54 * for an (operating system specified) period of time) over
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55 * a control.
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56 *
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57 * @param e an event containing information about the hover
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58 */
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59 public void mouseHover(MouseEvent e);
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60 }
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