projects/dwt-win: dwt/dnd/DropTarget.d annotate

annotate dwt/dnd/DropTarget.d @ 135:242e33c0e383

Added dnd source, ByteArrayTransfer,Clipboard completed

author	Frank Benoit <benoit@tionex.de>
date	Wed, 13 Feb 2008 04:51:22 +0100
parents
children	04e357b8343d

rev	line source
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	1 /*******************************************************************************
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	2 * Copyright (c) 2000, 2007 IBM Corporation and others.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	5 * which accompanies this distribution, and is available at
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	7 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	8 * Contributors:
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	9 * IBM Corporation - initial API and implementation
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	10 * Port to the D programming language:
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	11 * Frank Benoit <benoit@tionex.de>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	12 *******************************************************************************/
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	13 module dwt.dnd.DropTarget;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	14
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	15 import dwt.DWT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	16 import dwt.DWTError;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	17 import dwt.DWTException;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	18 import dwt.internal.ole.win32.COM;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	19 import dwt.internal.win32.OS;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	20 import dwt.widgets.Control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import dwt.widgets.Event;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import dwt.widgets.Listener;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import dwt.widgets.Table;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import dwt.widgets.Tree;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import dwt.widgets.Widget;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	26
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	27 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	28 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	29 * Class <code>DropTarget</code> defines the target object for a drag and drop transfer.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	30 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	31 * IMPORTANT: This class is <em>not</em> intended to be subclassed.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	32 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	33 * <p>This class identifies the <code>Control</code> over which the user must position the cursor
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	34 * in order to drop the data being transferred. It also specifies what data types can be dropped on
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	35 * this control and what operations can be performed. You may have several DropTragets in an
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	36 * application but there can only be a one to one mapping between a <code>Control</code> and a <code>DropTarget</code>.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	37 * The DropTarget can receive data from within the same application or from other applications
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	38 * (such as text dragged from a text editor like Word).</p>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	39 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	40 * <code><pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	41 * int operations = DND.DROP_MOVE \| DND.DROP_COPY \| DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	42 * Transfer[] types = new Transfer[] {TextTransfer.getInstance()};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	43 * DropTarget target = new DropTarget(label, operations);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	44 * target.setTransfer(types);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	45 * </code></pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	46 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	47 * <p>The application is notified of data being dragged over this control and of when a drop occurs by
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	48 * implementing the interface <code>DropTargetListener</code> which uses the class
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	49 * <code>DropTargetEvent</code>. The application can modify the type of drag being performed
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	50 * on this Control at any stage of the drag by modifying the <code>event.detail</code> field or the
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	51 * <code>event.currentDataType</code> field. When the data is dropped, it is the responsibility of
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	52 * the application to copy this data for its own purposes.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	53 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	54 * <code><pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	55 * target.addDropListener (new DropTargetListener() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	56 * public void dragEnter(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	57 * public void dragOver(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	58 * public void dragLeave(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	59 * public void dragOperationChanged(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	60 * public void dropAccept(DropTargetEvent event) {}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	61 * public void drop(DropTargetEvent event) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	62 * // A drop has occurred, copy over the data
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	63 * if (event.data is null) { // no data to copy, indicate failure in event.detail
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	64 * event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	65 * return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	66 * }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	67 * label.setText ((String) event.data); // data copied to label text
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	68 * }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	69 * });
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	70 * </pre></code>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	71 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	72 * <dl>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	73 * <dt><b>Styles</b></dt> <dd>DND.DROP_NONE, DND.DROP_COPY, DND.DROP_MOVE, DND.DROP_LINK</dd>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	74 * <dt><b>Events</b></dt> <dd>DND.DragEnter, DND.DragLeave, DND.DragOver, DND.DragOperationChanged,
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	75 * DND.DropAccept, DND.Drop </dd>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	76 * </dl>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	77 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	78 public class DropTarget : Widget {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	79
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	80 Control control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	81 Listener controlListener;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	82 Transfer[] transferAgents = new Transfer[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	83 DropTargetEffect dropEffect;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	84
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	85 // Track application selections
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	86 TransferData selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	87 int selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	88
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	89 // workaround - There is no event for "operation changed" so track operation based on key state
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	90 int keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	91
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	92 // workaround - The dataobject address is only passed as an argument in drag enter and drop.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	93 // To allow applications to query the data values during the drag over operations,
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	94 // maintain a reference to it.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	95 IDataObject iDataObject;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	96
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	97 // interfaces
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	98 COMObject iDropTarget;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	99 int refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	100
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	101 static final String DEFAULT_DROP_TARGET_EFFECT = "DEFAULT_DROP_TARGET_EFFECT"; //$NON-NLS-1$
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	102 static final String DROPTARGETID = "DropTarget"; //$NON-NLS-1$
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	103
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	104 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	105 * Creates a new <code>DropTarget</code> to allow data to be dropped on the specified
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	106 * <code>Control</code>.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	107 * Creating an instance of a DropTarget may cause system resources to be allocated
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	108 * depending on the platform. It is therefore mandatory that the DropTarget instance
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	109 * be disposed when no longer required.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	110 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	111 * @param control the <code>Control</code> over which the user positions the cursor to drop the data
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	112 * @param style the bitwise OR'ing of allowed operations; this may be a combination of any of
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	113 * DND.DROP_NONE, DND.DROP_COPY, DND.DROP_MOVE, DND.DROP_LINK
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	114 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	115 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	116 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	117 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	118 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	119 * @exception DWTError <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	120 * <li>ERROR_CANNOT_INIT_DROP - unable to initiate drop target; this will occur if more than one
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	121 * drop target is created for a control or if the operating system will not allow the creation
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	122 * of the drop target</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	123 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	124 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	125 * <p>NOTE: ERROR_CANNOT_INIT_DROP should be an DWTException, since it is a
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	126 * recoverable error, but can not be changed due to backward compatibility.</p>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	127 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	128 * @see Widget#dispose
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	129 * @see DropTarget#checkSubclass
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	130 * @see DND#DROP_NONE
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	131 * @see DND#DROP_COPY
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	132 * @see DND#DROP_MOVE
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	133 * @see DND#DROP_LINK
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	134 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	135 public this(Control control, int style) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	136 super (control, checkStyle(style));
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	137 this.control = control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	138 if (control.getData(DROPTARGETID) !is null) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	139 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	140 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	141 control.setData(DROPTARGETID, this);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	142 createCOMInterfaces();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	143 this.AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	144
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	145 if (COM.CoLockObjectExternal(iDropTarget.getAddress(), true, true) !is COM.S_OK)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	146 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	147 if (COM.RegisterDragDrop( control.handle, iDropTarget.getAddress()) !is COM.S_OK)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	148 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	149
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	150 controlListener = new Listener () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	151 public void handleEvent (Event event) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	152 if (!DropTarget.this.isDisposed()){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	153 DropTarget.this.dispose();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	154 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	155 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	156 };
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	157 control.addListener (DWT.Dispose, controlListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	158
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	159 this.addListener(DWT.Dispose, new Listener () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	160 public void handleEvent (Event event) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	161 onDispose();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	162 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	163 });
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	164
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	165 Object effect = control.getData(DEFAULT_DROP_TARGET_EFFECT);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	166 if (effect instanceof DropTargetEffect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	167 dropEffect = (DropTargetEffect) effect;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	168 } else if (control instanceof Table) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	169 dropEffect = new TableDropTargetEffect((Table) control);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	170 } else if (control instanceof Tree) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	171 dropEffect = new TreeDropTargetEffect((Tree) control);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	172 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	173 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	174
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	175 static int checkStyle (int style) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	176 if (style is DWT.NONE) return DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	177 return style;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	178 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	179
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	180 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	181 * Adds the listener to the collection of listeners who will
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	182 * be notified when a drag and drop operation is in progress, by sending
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	183 * it one of the messages defined in the <code>DropTargetListener</code>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	184 * interface.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	185 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	186 * <p><ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	187 * <li><code>dragEnter</code> is called when the cursor has entered the drop target boundaries
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	188 * <li><code>dragLeave</code> is called when the cursor has left the drop target boundaries and just before
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	189 * the drop occurs or is cancelled.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	190 * <li><code>dragOperationChanged</code> is called when the operation being performed has changed
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	191 * (usually due to the user changing the selected modifier key(s) while dragging)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	192 * <li><code>dragOver</code> is called when the cursor is moving over the drop target
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	193 * <li><code>dropAccept</code> is called just before the drop is performed. The drop target is given
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	194 * the chance to change the nature of the drop or veto the drop by setting the <code>event.detail</code> field
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	195 * <li><code>drop</code> is called when the data is being dropped
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	196 * </ul></p>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	197 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	198 * @param listener the listener which should be notified
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	199 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	200 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	201 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	202 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	203 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	204 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	205 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	206 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	207 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	208 * @see DropTargetListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	209 * @see #removeDropListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	210 * @see DropTargetEvent
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	211 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	212 public void addDropListener(DropTargetListener listener) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	213 if (listener is null) DND.error (DWT.ERROR_NULL_ARGUMENT);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	214 DNDListener typedListener = new DNDListener (listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	215 typedListener.dndWidget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	216 addListener (DND.DragEnter, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	217 addListener (DND.DragLeave, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	218 addListener (DND.DragOver, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	219 addListener (DND.DragOperationChanged, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	220 addListener (DND.Drop, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	221 addListener (DND.DropAccept, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	222 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	223
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	224 int AddRef() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	225 refCount++;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	226 return refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	227 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	228
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	229 protected void checkSubclass () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	230 String name = getClass().getName ();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	231 String validName = DropTarget.class.getName();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	232 if (!validName.equals(name)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	233 DND.error (DWT.ERROR_INVALID_SUBCLASS);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	234 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	235 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	236
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	237 void createCOMInterfaces() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	238 // register each of the interfaces that this object implements
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	239 iDropTarget = new COMObject(new int[]{2, 0, 0, 5, 4, 0, 5}){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	240 public int method0(int[] args) {return QueryInterface(args[0], args[1]);}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	241 public int method1(int[] args) {return AddRef();}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	242 public int method2(int[] args) {return Release();}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	243 public int method3(int[] args) {return DragEnter(args[0], args[1], args[2], args[3], args[4]);}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	244 public int method4(int[] args) {return DragOver(args[0], args[1], args[2], args[3]);}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	245 public int method5(int[] args) {return DragLeave();}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	246 public int method6(int[] args) {return Drop(args[0], args[1], args[2], args[3], args[4]);}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	247 };
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	248
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	249 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	250
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	251 void disposeCOMInterfaces() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	252 if (iDropTarget !is null)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	253 iDropTarget.dispose();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	254 iDropTarget = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	255 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	256
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	257 int DragEnter(int pDataObject, int grfKeyState, int pt_x, int pt_y, int pdwEffect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	258 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	259 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	260 if (iDataObject !is null) iDataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	261 iDataObject = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	262
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	263 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	264 if (!setEventData(event, pDataObject, grfKeyState, pt_x, pt_y, pdwEffect)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	265 OS.MoveMemory(pdwEffect, new int[] {COM.DROPEFFECT_NONE}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	266 return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	267 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	268
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	269 // Remember the iDataObject because it is not passed into the DragOver callback
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	270 iDataObject = new IDataObject(pDataObject);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	271 iDataObject.AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	272
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	273 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	274 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	275 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	276 notifyListeners(DND.DragEnter, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	277 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	278 if (event.detail is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	279 event.detail = (allowedOperations & DND.DROP_MOVE) !is 0 ? DND.DROP_MOVE : DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	280 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	281
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	282 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	283 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	284 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	285 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	286 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	287 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	288 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	289
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	290 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	291 if (selectedDataType !is null && ((allowedOperations & event.detail) !is 0)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	292 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	293 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	294
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	295 OS.MoveMemory(pdwEffect, new int[] {opToOs(selectedOperation)}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	296 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	297 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	298
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	299 int DragLeave() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	300 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	301
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	302 if (iDataObject is null) return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	303
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	304 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	305 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	306 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	307 event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	308 notifyListeners(DND.DragLeave, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	309 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	310
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	311 iDataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	312 iDataObject = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	313 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	314 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	315
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	316 int DragOver(int grfKeyState, int pt_x, int pt_y, int pdwEffect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	317 if (iDataObject is null) return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	318 int oldKeyOperation = keyOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	319
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	320 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	321 if (!setEventData(event, iDataObject.getAddress(), grfKeyState, pt_x, pt_y, pdwEffect)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	322 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	323 OS.MoveMemory(pdwEffect, new int[] {COM.DROPEFFECT_NONE}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	324 return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	325 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	326
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	327 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	328 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	329 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	330
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	331 if (keyOperation is oldKeyOperation) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	332 event.type = DND.DragOver;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	333 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	334 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	335 } else {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	336 event.type = DND.DragOperationChanged;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	337 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	338 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	339 notifyListeners(event.type, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	340 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	341 if (event.detail is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	342 event.detail = (allowedOperations & DND.DROP_MOVE) !is 0 ? DND.DROP_MOVE : DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	343 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	344
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	345 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	346 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	347 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	348 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	349 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	350 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	351 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	352
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	353 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	354 if (selectedDataType !is null && ((allowedOperations & event.detail) is event.detail)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	355 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	356 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	357
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	358 OS.MoveMemory(pdwEffect, new int[] {opToOs(selectedOperation)}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	359 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	360 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	361
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	362 int Drop(int pDataObject, int grfKeyState, int pt_x, int pt_y, int pdwEffect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	363 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	364 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	365 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	366 if (dropEffect !is null) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	367 event.item = dropEffect.getItem(pt_x, pt_y);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	368 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	369 event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	370 notifyListeners(DND.DragLeave, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	371 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	372
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	373 event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	374 if (!setEventData(event, pDataObject, grfKeyState, pt_x, pt_y, pdwEffect)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	375 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	376 OS.MoveMemory(pdwEffect, new int[] {COM.DROPEFFECT_NONE}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	377 return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	378 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	379 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	380 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	381 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	382 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	383 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	384 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	385 notifyListeners(DND.DropAccept,event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	386 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	387
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	388 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	389 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	390 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	391 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	392 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	393 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	394 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	395 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	396 if (selectedDataType !is null && (allowedOperations & event.detail) is event.detail) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	397 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	398 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	399
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	400 if (selectedOperation is DND.DROP_NONE){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	401 OS.MoveMemory(pdwEffect, new int[] {COM.DROPEFFECT_NONE}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	402 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	403 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	404
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	405 // Get Data in a Java format
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	406 Object object = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	407 for (int i = 0; i < transferAgents.length; i++){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	408 Transfer transfer = transferAgents[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	409 if (transfer !is null && transfer.isSupportedType(selectedDataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	410 object = transfer.nativeToJava(selectedDataType);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	411 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	412 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	413 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	414 if (object is null){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	415 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	416 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	417
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	418 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	419 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	420 event.data = object;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	421 OS.ImageList_DragShowNolock(false);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	422 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	423 notifyListeners(DND.Drop,event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	424 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	425 OS.ImageList_DragShowNolock(true);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	426 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	427 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	428 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	429 if ((allowedOperations & event.detail) is event.detail) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	430 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	431 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	432 //notify source of action taken
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	433 OS.MoveMemory(pdwEffect, new int[] {opToOs(selectedOperation)}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	434 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	435 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	436
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	437 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	438 * Returns the Control which is registered for this DropTarget. This is the control over which the
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	439 * user positions the cursor to drop the data.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	440 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	441 * @return the Control which is registered for this DropTarget
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	442 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	443 public Control getControl () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	444 return control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	445 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	446
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	447 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	448 * Returns the drop effect for this DropTarget. This drop effect will be
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	449 * used during a drag and drop to display the drag under effect on the
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	450 * target widget.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	451 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	452 * @return the drop effect that is registered for this DropTarget
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	453 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	454 * @since 3.3
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	455 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	456 public DropTargetEffect getDropTargetEffect() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	457 return dropEffect;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	458 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	459
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	460 int getOperationFromKeyState(int grfKeyState) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	461 bool ctrl = (grfKeyState & OS.MK_CONTROL) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	462 bool shift = (grfKeyState & OS.MK_SHIFT) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	463 bool alt = (grfKeyState & OS.MK_ALT) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	464 if (alt) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	465 if (ctrl \|\| shift) return DND.DROP_DEFAULT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	466 return DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	467 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	468 if (ctrl && shift) return DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	469 if (ctrl)return DND.DROP_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	470 if (shift)return DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	471 return DND.DROP_DEFAULT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	472 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	473
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	474 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	475 * Returns a list of the data types that can be transferred to this DropTarget.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	476 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	477 * @return a list of the data types that can be transferred to this DropTarget
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	478 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	479 public Transfer[] getTransfer() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	480 return transferAgents;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	481 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	482
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	483 void onDispose () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	484 if (control is null) return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	485
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	486 COM.RevokeDragDrop(control.handle);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	487
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	488 if (controlListener !is null)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	489 control.removeListener(DWT.Dispose, controlListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	490 controlListener = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	491 control.setData(DROPTARGETID, null);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	492 transferAgents = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	493 control = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	494
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	495 COM.CoLockObjectExternal(iDropTarget.getAddress(), false, true);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	496
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	497 this.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	498
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	499 COM.CoFreeUnusedLibraries();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	500 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	501
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	502 int opToOs(int operation) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	503 int osOperation = 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	504 if ((operation & DND.DROP_COPY) !is 0){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	505 osOperation \|= COM.DROPEFFECT_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	506 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	507 if ((operation & DND.DROP_LINK) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	508 osOperation \|= COM.DROPEFFECT_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	509 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	510 if ((operation & DND.DROP_MOVE) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	511 osOperation \|= COM.DROPEFFECT_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	512 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	513 return osOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	514 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	515
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	516 int osToOp(int osOperation){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	517 int operation = 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	518 if ((osOperation & COM.DROPEFFECT_COPY) !is 0){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	519 operation \|= DND.DROP_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	520 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	521 if ((osOperation & COM.DROPEFFECT_LINK) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	522 operation \|= DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	523 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	524 if ((osOperation & COM.DROPEFFECT_MOVE) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	525 operation \|= DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	526 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	527 return operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	528 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	529
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	530 /* QueryInterface([in] iid, [out] ppvObject)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	531 * Ownership of ppvObject transfers from callee to caller so reference count on ppvObject
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	532 * must be incremented before returning. Caller is responsible for releasing ppvObject.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	533 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	534 int QueryInterface(int riid, int ppvObject) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	535
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	536 if (riid is 0 \|\| ppvObject is 0)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	537 return COM.E_INVALIDARG;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	538 GUID guid = new GUID();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	539 COM.MoveMemory(guid, riid, GUID.sizeof);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	540 if (COM.IsEqualGUID(guid, COM.IIDIUnknown) \|\| COM.IsEqualGUID(guid, COM.IIDIDropTarget)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	541 OS.MoveMemory(ppvObject, new int[] {iDropTarget.getAddress()}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	542 AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	543 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	544 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	545
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	546 OS.MoveMemory(ppvObject, new int[] {0}, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	547 return COM.E_NOINTERFACE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	548 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	549
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	550 int Release() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	551 refCount--;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	552
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	553 if (refCount is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	554 disposeCOMInterfaces();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	555 COM.CoFreeUnusedLibraries();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	556 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	557
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	558 return refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	559 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	560
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	561 void refresh() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	562 if (control is null \|\| control.isDisposed()) return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	563 int handle = control.handle;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	564 RECT lpRect = new RECT();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	565 if (OS.GetUpdateRect(handle, lpRect, false)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	566 OS.ImageList_DragShowNolock(false);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	567 OS.RedrawWindow(handle, lpRect, 0, OS.RDW_UPDATENOW \| OS.RDW_INVALIDATE);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	568 OS.ImageList_DragShowNolock(true);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	569 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	570 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	571
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	572 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	573 * Removes the listener from the collection of listeners who will
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	574 * be notified when a drag and drop operation is in progress.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	575 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	576 * @param listener the listener which should be notified
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	577 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	578 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	579 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	580 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	581 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	582 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	583 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	584 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	585 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	586 * @see DropTargetListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	587 * @see #addDropListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	588 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	589 public void removeDropListener(DropTargetListener listener) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	590 if (listener is null) DND.error (DWT.ERROR_NULL_ARGUMENT);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	591 removeListener (DND.DragEnter, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	592 removeListener (DND.DragLeave, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	593 removeListener (DND.DragOver, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	594 removeListener (DND.DragOperationChanged, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	595 removeListener (DND.Drop, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	596 removeListener (DND.DropAccept, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	597 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	598
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	599 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	600 * Specifies the drop effect for this DropTarget. This drop effect will be
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	601 * used during a drag and drop to display the drag under effect on the
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	602 * target widget.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	603 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	604 * @param effect the drop effect that is registered for this DropTarget
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	605 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	606 * @since 3.3
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	607 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	608 public void setDropTargetEffect(DropTargetEffect effect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	609 dropEffect = effect;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	610 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	611
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	612 bool setEventData(DNDEvent event, int pDataObject, int grfKeyState, int pt_x, int pt_y, int pdwEffect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	613 if (pDataObject is 0 \|\| pdwEffect is 0) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	614
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	615 // get allowed operations
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	616 int style = getStyle();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	617 int[] operations = new int[1];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	618 OS.MoveMemory(operations, pdwEffect, 4);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	619 operations[0] = osToOp(operations[0]) & style;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	620 if (operations[0] is DND.DROP_NONE) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	621
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	622 // get current operation
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	623 int operation = getOperationFromKeyState(grfKeyState);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	624 keyOperation = operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	625 if (operation is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	626 if ((style & DND.DROP_DEFAULT) is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	627 operation = (operations[0] & DND.DROP_MOVE) !is 0 ? DND.DROP_MOVE : DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	628 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	629 } else {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	630 if ((operation & operations[0]) is 0) operation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	631 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	632
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	633 // Get allowed transfer types
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	634 TransferData[] dataTypes = new TransferData[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	635 IDataObject dataObject = new IDataObject(pDataObject);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	636 dataObject.AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	637 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	638 int[] address = new int[1];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	639 if (dataObject.EnumFormatEtc(COM.DATADIR_GET, address) !is COM.S_OK) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	640 return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	641 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	642 IEnumFORMATETC enumFormatetc = new IEnumFORMATETC(address[0]);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	643 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	644 // Loop over enumerator and save any types that match what we are looking for
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	645 int rgelt = OS.GlobalAlloc(OS.GMEM_FIXED \| OS.GMEM_ZEROINIT, FORMATETC.sizeof);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	646 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	647 int[] pceltFetched = new int[1];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	648 enumFormatetc.Reset();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	649 while (enumFormatetc.Next(1, rgelt, pceltFetched) is COM.S_OK && pceltFetched[0] is 1) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	650 TransferData transferData = new TransferData();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	651 transferData.formatetc = new FORMATETC();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	652 COM.MoveMemory(transferData.formatetc, rgelt, FORMATETC.sizeof);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	653 transferData.type = transferData.formatetc.cfFormat;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	654 transferData.pIDataObject = pDataObject;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	655 for (int i = 0; i < transferAgents.length; i++){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	656 Transfer transfer = transferAgents[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	657 if (transfer !is null && transfer.isSupportedType(transferData)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	658 TransferData[] newDataTypes = new TransferData[dataTypes.length + 1];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	659 System.arraycopy(dataTypes, 0, newDataTypes, 0, dataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	660 newDataTypes[dataTypes.length] = transferData;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	661 dataTypes = newDataTypes;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	662 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	663 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	664 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	665 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	666 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	667 OS.GlobalFree(rgelt);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	668 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	669 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	670 enumFormatetc.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	671 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	672 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	673 dataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	674 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	675 if (dataTypes.length is 0) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	676
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	677 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	678 event.x = pt_x;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	679 event.y = pt_y;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	680 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	681 event.feedback = DND.FEEDBACK_SELECT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	682 event.dataTypes = dataTypes;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	683 event.dataType = dataTypes[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	684 if (dropEffect !is null) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	685 event.item = dropEffect.getItem(pt_x, pt_y);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	686 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	687 event.operations = operations[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	688 event.detail = operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	689 return true;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	690 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	691
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	692 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	693 * Specifies the data types that can be transferred to this DropTarget. If data is
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	694 * being dragged that does not match one of these types, the drop target will be notified of
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	695 * the drag and drop operation but the currentDataType will be null and the operation
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	696 * will be DND.NONE.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	697 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	698 * @param transferAgents a list of Transfer objects which define the types of data that can be
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	699 * dropped on this target
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	700 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	701 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	702 * <li>ERROR_NULL_ARGUMENT - if transferAgents is null</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	703 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	704 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	705 public void setTransfer(Transfer[] transferAgents){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	706 if (transferAgents is null) DND.error(DWT.ERROR_NULL_ARGUMENT);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	707 this.transferAgents = transferAgents;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	708 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	709 }

Mercurial > projects > dwt-win

annotate dwt/dnd/DropTarget.d @ 135:242e33c0e383