Mercurial > projects > dwt-mac
view dwt/dnd/DragSourceEvent.d @ 98:5acb3346c926
Ported dwt.dnd.DragSourceListener
author | Jacob Carlborg <doob@me.com> |
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date | Tue, 30 Dec 2008 20:58:04 +0100 |
parents | d5f4a7c8aa74 |
children | 2e671fa40eec |
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/******************************************************************************* * 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 * * Port to the D programming language: * Jacob Carlborg <doob@me.com> *******************************************************************************/ module dwt.dnd.DragSourceEvent; import dwt.dwthelper.utils; import dwt.events.TypedEvent; import dwt.graphics.Image; import dwt.dnd.DNDEvent; import dwt.dnd.TransferData; /** * The DragSourceEvent contains the event information passed in the methods of the DragSourceListener. * * @see DragSourceListener * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> */ public class DragSourceEvent : TypedEvent { /** * The operation that was performed. * @see DND#DROP_NONE * @see DND#DROP_MOVE * @see DND#DROP_COPY * @see DND#DROP_LINK * @see DND#DROP_TARGET_MOVE */ public int detail; /** * In dragStart, the doit field determines if the drag and drop operation * should proceed; in dragFinished, the doit field indicates whether * the operation was performed successfully. * <p></p> * In dragStart: * <p>Flag to determine if the drag and drop operation should proceed. * The application can set this value to false to prevent the drag from starting. * Set to true by default.</p> * * <p>In dragFinished:</p> * <p>Flag to indicate if the operation was performed successfully. * True if the operation was performed successfully.</p> */ public bool doit; /** * In dragStart, the x coordinate (relative to the control) of the * position the mouse went down to start the drag. * * @since 3.2 */ public int x; /** * In dragStart, the y coordinate (relative to the control) of the * position the mouse went down to start the drag. * * @since 3.2 */ public int y; /** * The type of data requested. * Data provided in the data field must be of the same type. */ public TransferData dataType; /** * The drag source image to be displayed during the drag. * <p>A value of null indicates that no drag image will be displayed.</p> * <p>The default value is null.</p> * * @since 3.3 */ public Image image; /** * In dragStart, the x offset (relative to the image) where the drag source image will be displayed. * * @since 3.5 */ public int offsetX; /** * In dragStart, the y offset (relative to the image) where the drag source image will be displayed. * * @since 3.5 */ public int offsetY; static const long serialVersionUID = 3257002142513770808L; /** * 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 this(DNDEvent e) { super(e); this.data = e.data; this.detail = e.detail; this.doit = e.doit; this.dataType = e.dataType; this.x = e.x; this.y = e.y; this.image = e.image; this.offsetX = e.offsetX; this.offsetY = e.offsetY; } void updateEvent(DNDEvent e) { e.widget = this.widget; e.time = this.time; e.data = this.data; e.detail = this.detail; e.doit = this.doit; e.dataType = this.dataType; e.x = this.x; e.y = this.y; e.image = this.image; e.offsetX = this.offsetX; e.offsetY = this.offsetY; } /** * 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 Format("{}{}{}{}{}{}{}", string.substring (0, string.length() - 1) // remove trailing '}' , " operation=" , detail , " type=" , (dataType !is null ? dataType.type : 0) , " doit=" , doit , "}"); } }