Mercurial > projects > dwt-mac
diff dwt/dnd/DropTargetEvent.d @ 0:380af2bdd8e5
Upload of whole dwt tree
author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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date | Sat, 09 Aug 2008 17:00:02 +0200 |
parents | |
children | 1a8b3cb347e0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/dnd/DropTargetEvent.d Sat Aug 09 17:00:02 2008 +0200 @@ -0,0 +1,115 @@ +/******************************************************************************* + * Copyright (c) 2000, 2007 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 + *******************************************************************************/ +module dwt.dnd; + +import dwt.events.TypedEvent; +import dwt.widgets.Widget; + +/** + * The DropTargetEvent contains the event information passed in the methods of the DropTargetListener. + */ +public class DropTargetEvent : TypedEvent { + /** + * The x-cordinate of the cursor relative to the <code>Display</code> + */ + public int x; + + /** + * The y-cordinate of the cursor relative to the <code>Display</code> + */ + public int y; + + /** + * The operation being performed. + * @see DND#DROP_NONE + * @see DND#DROP_MOVE + * @see DND#DROP_COPY + * @see DND#DROP_LINK + */ + public int detail; + + /** + * A bitwise OR'ing of the operations that the DragSource can support + * (e.g. DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK). + * The detail value must be a member of this list or DND.DROP_NONE. + * @see DND#DROP_NONE + * @see DND#DROP_MOVE + * @see DND#DROP_COPY + * @see DND#DROP_LINK + */ + public int operations; + + /** + * A bitwise OR'ing of the drag under effect feedback to be displayed to the user + * (e.g. DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL | DND.FEEDBACK_EXPAND). + * <p>A value of DND.FEEDBACK_NONE indicates that no drag under effect will be displayed.</p> + * <p>Feedback effects will only be applied if they are applicable.</p> + * <p>The default value is DND.FEEDBACK_SELECT.</p> + * @see DND#FEEDBACK_NONE + * @see DND#FEEDBACK_SELECT + * @see DND#FEEDBACK_INSERT_BEFORE + * @see DND#FEEDBACK_INSERT_AFTER + * @see DND#FEEDBACK_SCROLL + * @see DND#FEEDBACK_EXPAND + */ + public int feedback; + + /** + * If the associated control is a table or tree, this field contains the item located + * at the cursor coordinates. + */ + public Widget item; + + /** + * The type of data that will be dropped. + */ + public TransferData currentDataType; + + /** + * A list of the types of data that the DragSource is capable of providing. + * The currentDataType must be a member of this list. + */ + public TransferData[] dataTypes; + + static final long serialVersionUID = 3256727264573338678L; + +/** + * 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 DropTargetEvent(DNDEvent e) { + super(e); + this.data = e.data; + this.x = e.x; + this.y = e.y; + this.detail = e.detail; + this.currentDataType = e.dataType; + this.dataTypes = e.dataTypes; + this.operations = e.operations; + this.feedback = e.feedback; + this.item = e.item; +} +void updateEvent(DNDEvent e) { + e.widget = this.widget; + e.time = this.time; + e.data = this.data; + e.x = this.x; + e.y = this.y; + e.detail = this.detail; + e.dataType = this.currentDataType; + e.dataTypes = this.dataTypes; + e.operations = this.operations; + e.feedback = this.feedback; + e.item = this.item; +} +}