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

annotate dwt/dnd/DropTarget.d @ 136:04e357b8343d

DragSource

author	Frank Benoit <benoit@tionex.de>
date	Wed, 13 Feb 2008 14:24:54 +0100
parents	242e33c0e383
children	3665cb9211b2

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;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	19 import dwt.internal.ole.win32.extras;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	20 import dwt.internal.ole.win32.OBJIDL;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	21 import dwt.internal.ole.win32.OLEIDL;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	22 import dwt.internal.ole.win32.ifs;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import dwt.internal.win32.OS;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import dwt.widgets.Control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import dwt.widgets.Event;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	26 import dwt.widgets.Listener;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	27 import dwt.widgets.Table;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	28 import dwt.widgets.Tree;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	29 import dwt.widgets.Widget;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	30
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	31 import dwt.dnd.Transfer;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	32 import dwt.dnd.DropTargetEffect;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	33 import dwt.dnd.TransferData;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	34 import dwt.dnd.DropTargetListener;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	35 import dwt.dnd.DNDListener;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	36 import dwt.dnd.DNDEvent;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	37 import dwt.dnd.DND;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	38
135 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 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	41 * 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	42 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	43 * 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	44 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	45 * <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	46 * 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	47 * 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	48 * 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	49 * 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	50 * (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	51 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	52 * <code><pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	53 * 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	54 * Transfer[] types = new Transfer[] {TextTransfer.getInstance()};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	55 * DropTarget target = new DropTarget(label, operations);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	56 * target.setTransfer(types);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	57 * </code></pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	58 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	59 * <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	60 * 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	61 * <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	62 * 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	63 * <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	64 * 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	65 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	66 * <code><pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	67 * target.addDropListener (new DropTargetListener() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	68 * public void dragEnter(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	69 * public void dragOver(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	70 * public void dragLeave(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	71 * public void dragOperationChanged(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	72 * public void dropAccept(DropTargetEvent event) {}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	73 * public void drop(DropTargetEvent event) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	74 * // A drop has occurred, copy over the data
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	75 * 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	76 * event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	77 * return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	78 * }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	79 * 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	80 * }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	81 * });
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	82 * </pre></code>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	83 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	84 * <dl>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	85 * <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	86 * <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	87 * DND.DropAccept, DND.Drop </dd>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	88 * </dl>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	89 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	90 public class DropTarget : Widget {
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 Control control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	93 Listener controlListener;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	94 Transfer[] transferAgents;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	95 DropTargetEffect dropEffect;
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 // Track application selections
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	98 TransferData selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	99 int selectedOperation;
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 // 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	102 int keyOperation = -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 // 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	105 // 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	106 // maintain a reference to it.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	107 IDataObject iDataObject;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	108
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	109 // interfaces
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	110 _IDropTargetImpl iDropTarget;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	111 int refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	112
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	113 static final char[] DEFAULT_DROP_TARGET_EFFECT = "DEFAULT_DROP_TARGET_EFFECT"; //$NON-NLS-1$
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	114 static final char[] DROPTARGETID = "DropTarget"; //$NON-NLS-1$
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	115
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	116 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	117 * 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	118 * <code>Control</code>.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	119 * 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	120 * 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	121 * be disposed when no longer required.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	122 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	123 * @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	124 * @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	125 * 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	126 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	127 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	128 * <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	129 * <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	130 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	131 * @exception DWTError <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	132 * <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	133 * 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	134 * of the drop target</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	135 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	136 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	137 * <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	138 * 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	139 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	140 * @see Widget#dispose
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	141 * @see DropTarget#checkSubclass
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	142 * @see DND#DROP_NONE
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	143 * @see DND#DROP_COPY
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	144 * @see DND#DROP_MOVE
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	145 * @see DND#DROP_LINK
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	146 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	147 public this(Control control, int style) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	148 super (control, checkStyle(style));
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	149 this.control = control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	150 if (control.getData(DROPTARGETID) !is null) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	151 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	152 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	153 control.setData(DROPTARGETID, this);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	154 createCOMInterfaces();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	155 this.AddRef();
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 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	158 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	159 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	160 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	161
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	162 controlListener = new class() Listener {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	163 public void handleEvent (Event event) {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	164 if (!this.outer.isDisposed()){
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	165 this.outer.dispose();
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	166 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	167 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	168 };
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	169 control.addListener (DWT.Dispose, controlListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	170
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	171 this.addListener(DWT.Dispose, new class() Listener {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	172 public void handleEvent (Event event) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	173 onDispose();
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 });
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	176
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	177 Object effect = control.getData(DEFAULT_DROP_TARGET_EFFECT);
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	178 if ( auto dte = cast(DropTargetEffect) effect ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	179 dropEffect = dte;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	180 } else if ( auto table = cast(Table)control ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	181 dropEffect = new TableDropTargetEffect(table);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	182 } else if ( auto tree = cast(Tree)control ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	183 dropEffect = new TreeDropTargetEffect(tree);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	184 }
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	187 static int checkStyle (int style) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	188 if (style is DWT.NONE) return DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	189 return style;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	190 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	191
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	192 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	193 * 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	194 * 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	195 * 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	196 * interface.
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 * <p><ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	199 * <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	200 * <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	201 * the drop occurs or is cancelled.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	202 * <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	203 * (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	204 * <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	205 * <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	206 * 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	207 * <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	208 * </ul></p>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	209 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	210 * @param listener the listener which should be notified
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 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	213 * <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	214 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	215 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	216 * <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	217 * <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	218 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	219 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	220 * @see DropTargetListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	221 * @see #removeDropListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	222 * @see DropTargetEvent
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 public void addDropListener(DropTargetListener listener) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	225 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	226 DNDListener typedListener = new DNDListener (listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	227 typedListener.dndWidget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	228 addListener (DND.DragEnter, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	229 addListener (DND.DragLeave, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	230 addListener (DND.DragOver, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	231 addListener (DND.DragOperationChanged, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	232 addListener (DND.Drop, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	233 addListener (DND.DropAccept, typedListener);
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 int AddRef() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	237 refCount++;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	238 return refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	239 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	240
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	241 protected void checkSubclass () {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	242 char[] name = this.classinfo.name;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	243 char[] validName = DropTarget.classinfo.name;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	244 if (validName!=/eq/name) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	245 DND.error (DWT.ERROR_INVALID_SUBCLASS);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	246 }
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 void createCOMInterfaces() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	250 // register each of the interfaces that this object implements
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	251 iDropTarget = new _IDropTargetImpl(this);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	252 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	253
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	254 void disposeCOMInterfaces() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	255 iDropTarget = null;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	258 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	259 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	260 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	261 if (iDataObject !is null) iDataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	262 iDataObject = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	263
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	264 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	265 if (!setEventData(event, pDataObject, grfKeyState, pt_x, pt_y, pdwEffect)) {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	266 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	267 return COM.S_FALSE;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	270 // 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	271 iDataObject = new IDataObject(pDataObject);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	272 iDataObject.AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	273
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	274 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	275 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	276 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	277 notifyListeners(DND.DragEnter, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	278 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	279 if (event.detail is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	280 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	281 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	282
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	283 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	284 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	285 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	286 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	287 break;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	291 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	292 if (selectedDataType !is null && ((allowedOperations & event.detail) !is 0)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	293 selectedOperation = event.detail;
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
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	296 *pdwEffect = opToOs(selectedOperation);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	297 return COM.S_OK;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	300 int DragLeave() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	301 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	302
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	303 if (iDataObject is null) return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	304
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	305 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	306 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	307 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	308 event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	309 notifyListeners(DND.DragLeave, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	310 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	311
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	312 iDataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	313 iDataObject = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	314 return COM.S_OK;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	317 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	318 if (iDataObject is null) return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	319 int oldKeyOperation = keyOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	320
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	321 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	322 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	323 keyOperation = -1;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	324 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	325 return COM.S_FALSE;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	328 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	329 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	330 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	331
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	332 if (keyOperation is oldKeyOperation) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	333 event.type = DND.DragOver;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	334 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	335 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	336 } else {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	337 event.type = DND.DragOperationChanged;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	338 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	339 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	340 notifyListeners(event.type, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	341 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	342 if (event.detail is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	343 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	344 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	345
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	346 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	347 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	348 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	349 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	350 break;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	354 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	355 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	356 selectedOperation = event.detail;
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
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	359 *pdwEffect = opToOs(selectedOperation);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	360 return COM.S_OK;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	363 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	364 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	365 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	366 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	367 if (dropEffect !is null) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	368 event.item = dropEffect.getItem(pt_x, pt_y);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	369 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	370 event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	371 notifyListeners(DND.DragLeave, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	372 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	373
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	374 event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	375 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	376 keyOperation = -1;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	377 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	378 return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	379 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	380 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	381 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	382 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	383 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	384 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	385 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	386 notifyListeners(DND.DropAccept,event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	387 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	388
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	389 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	390 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	391 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	392 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	393 break;
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 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	396 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	397 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	398 selectedOperation = event.detail;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	401 if (selectedOperation is DND.DROP_NONE){
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	402 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	403 return COM.S_OK;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	406 // Get Data in a Java format
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	407 Object object = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	408 for (int i = 0; i < transferAgents.length; i++){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	409 Transfer transfer = transferAgents[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	410 if (transfer !is null && transfer.isSupportedType(selectedDataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	411 object = transfer.nativeToJava(selectedDataType);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	412 break;
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 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	415 if (object is null){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	416 selectedOperation = DND.DROP_NONE;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	419 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	420 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	421 event.data = object;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	422 OS.ImageList_DragShowNolock(false);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	423 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	424 notifyListeners(DND.Drop,event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	425 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	426 OS.ImageList_DragShowNolock(true);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	427 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	428 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	429 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	430 if ((allowedOperations & event.detail) is event.detail) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	431 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	432 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	433 //notify source of action taken
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	434 *pdwEffect = opToOs(selectedOperation);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	435 return COM.S_OK;
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 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	439 * 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	440 * user positions the cursor to drop the data.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	441 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	442 * @return the Control which is registered for this DropTarget
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	443 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	444 public Control getControl () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	445 return control;
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 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	449 * 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	450 * 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	451 * target widget.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	452 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	453 * @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	454 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	455 * @since 3.3
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	456 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	457 public DropTargetEffect getDropTargetEffect() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	458 return dropEffect;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	461 int getOperationFromKeyState(int grfKeyState) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	462 bool ctrl = (grfKeyState & OS.MK_CONTROL) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	463 bool shift = (grfKeyState & OS.MK_SHIFT) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	464 bool alt = (grfKeyState & OS.MK_ALT) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	465 if (alt) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	466 if (ctrl \|\| shift) return DND.DROP_DEFAULT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	467 return DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	468 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	469 if (ctrl && shift) return DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	470 if (ctrl)return DND.DROP_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	471 if (shift)return DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	472 return DND.DROP_DEFAULT;
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 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	476 * 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	477 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	478 * @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	479 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	480 public Transfer[] getTransfer() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	481 return transferAgents;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	484 void onDispose () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	485 if (control is null) return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	486
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	487 COM.RevokeDragDrop(control.handle);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	488
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	489 if (controlListener !is null)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	490 control.removeListener(DWT.Dispose, controlListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	491 controlListener = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	492 control.setData(DROPTARGETID, null);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	493 transferAgents = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	494 control = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	495
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	496 COM.CoLockObjectExternal(iDropTarget.getAddress(), false, true);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	497
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	498 this.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	499
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	500 COM.CoFreeUnusedLibraries();
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	503 int opToOs(int operation) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	504 int osOperation = 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	505 if ((operation & DND.DROP_COPY) !is 0){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	506 osOperation \|= COM.DROPEFFECT_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	507 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	508 if ((operation & DND.DROP_LINK) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	509 osOperation \|= COM.DROPEFFECT_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	510 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	511 if ((operation & DND.DROP_MOVE) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	512 osOperation \|= COM.DROPEFFECT_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	513 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	514 return osOperation;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	517 int osToOp(int osOperation){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	518 int operation = 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	519 if ((osOperation & COM.DROPEFFECT_COPY) !is 0){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	520 operation \|= DND.DROP_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	521 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	522 if ((osOperation & COM.DROPEFFECT_LINK) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	523 operation \|= DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	524 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	525 if ((osOperation & COM.DROPEFFECT_MOVE) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	526 operation \|= DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	527 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	528 return operation;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	531 /* QueryInterface([in] iid, [out] ppvObject)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	532 * 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	533 * 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	534 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	535 int QueryInterface(int riid, int ppvObject) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	536
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	537 if (riid is null \|\| ppvObject is null)
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	538 return COM.E_INVALIDARG;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	539 if (COM.IsEqualGUID(riid, &COM.IIDIUnknown) \|\| COM.IsEqualGUID(riid, &COM.IIDIDropTarget)) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	540 ppvObject = cast(void)cast(IUnknown) iDropTarget.getAddress();
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	541 AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	542 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	543 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	544
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	545 *ppvObject = null;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	546 return COM.E_NOINTERFACE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	547 }
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 int Release() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	550 refCount--;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	551
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	552 if (refCount is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	553 disposeCOMInterfaces();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	554 COM.CoFreeUnusedLibraries();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	555 }
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 return refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	558 }
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 void refresh() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	561 if (control is null \|\| control.isDisposed()) return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	562 int handle = control.handle;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	563 RECT lpRect;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	564 if (OS.GetUpdateRect(handle, &lpRect, false)) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	565 OS.ImageList_DragShowNolock(false);
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	566 OS.RedrawWindow(handle, *lpRect, 0, OS.RDW_UPDATENOW \| OS.RDW_INVALIDATE);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	567 OS.ImageList_DragShowNolock(true);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	568 }
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 * 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	573 * 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	574 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	575 * @param listener the listener which should be notified
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	576 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	577 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	578 * <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	579 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	580 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	581 * <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	582 * <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	583 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	584 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	585 * @see DropTargetListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	586 * @see #addDropListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	587 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	588 public void removeDropListener(DropTargetListener listener) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	589 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	590 removeListener (DND.DragEnter, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	591 removeListener (DND.DragLeave, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	592 removeListener (DND.DragOver, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	593 removeListener (DND.DragOperationChanged, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	594 removeListener (DND.Drop, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	595 removeListener (DND.DropAccept, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	596 }
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 * 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	600 * 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	601 * target widget.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	602 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	603 * @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	604 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	605 * @since 3.3
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	606 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	607 public void setDropTargetEffect(DropTargetEffect effect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	608 dropEffect = effect;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	609 }
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 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	612 if (pDataObject is 0 \|\| pdwEffect is 0) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	613
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	614 // get allowed operations
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	615 int style = getStyle();
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	616 int[1] operations;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	617 OS.MoveMemory(operations.ptr, pdwEffect, 4);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	618 operations[0] = osToOp(operations[0]) & style;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	619 if (operations[0] is DND.DROP_NONE) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	620
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	621 // get current operation
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	622 int operation = getOperationFromKeyState(grfKeyState);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	623 keyOperation = operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	624 if (operation is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	625 if ((style & DND.DROP_DEFAULT) is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	626 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	627 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	628 } else {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	629 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	630 }
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 // Get allowed transfer types
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	633 TransferData[] dataTypes = new TransferData[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	634 IDataObject dataObject = new IDataObject(pDataObject);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	635 dataObject.AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	636 try {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	637 int[1] address;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	638 if (dataObject.EnumFormatEtc(COM.DATADIR_GET, address.ptr) !is COM.S_OK) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	639 return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	640 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	641 IEnumFORMATETC enumFormatetc = new IEnumFORMATETC(address[0]);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	642 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	643 // 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	644 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	645 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	646 int[] pceltFetched = new int[1];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	647 enumFormatetc.Reset();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	648 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	649 TransferData transferData = new TransferData();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	650 transferData.formatetc = new FORMATETC();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	651 COM.MoveMemory(transferData.formatetc, rgelt, FORMATETC.sizeof);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	652 transferData.type = transferData.formatetc.cfFormat;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	653 transferData.pIDataObject = pDataObject;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	654 for (int i = 0; i < transferAgents.length; i++){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	655 Transfer transfer = transferAgents[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	656 if (transfer !is null && transfer.isSupportedType(transferData)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	657 TransferData[] newDataTypes = new TransferData[dataTypes.length + 1];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	658 System.arraycopy(dataTypes, 0, newDataTypes, 0, dataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	659 newDataTypes[dataTypes.length] = transferData;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	660 dataTypes = newDataTypes;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	661 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	662 }
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 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	666 OS.GlobalFree(rgelt);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	667 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	668 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	669 enumFormatetc.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	670 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	671 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	672 dataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	673 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	674 if (dataTypes.length is 0) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	675
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	676 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	677 event.x = pt_x;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	678 event.y = pt_y;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	679 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	680 event.feedback = DND.FEEDBACK_SELECT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	681 event.dataTypes = dataTypes;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	682 event.dataType = dataTypes[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	683 if (dropEffect !is null) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	684 event.item = dropEffect.getItem(pt_x, pt_y);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	685 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	686 event.operations = operations[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	687 event.detail = operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	688 return true;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	689 }
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 * 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	693 * 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	694 * 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	695 * will be DND.NONE.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	696 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	697 * @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	698 * dropped on this target
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	699 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	700 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	701 * <li>ERROR_NULL_ARGUMENT - if transferAgents is null</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	702 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	703 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	704 public void setTransfer(Transfer[] transferAgents){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	705 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	706 this.transferAgents = transferAgents;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	707 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	708 }
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	709
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	710 class _IDropTargetImpl : IDropTarget {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	711
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	712 DropTarget parent;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	713 this(DropTarget p) { parent = p; }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	714 extern (Windows):
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	715 // interface of IUnknown
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	716 HRESULT QueryInterface(REFIID riid, void ** ppvObject) { return parent.QueryInterface(riid, ppvObject); }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	717 ULONG AddRef() { return parent.AddRef(); }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	718 ULONG Release() { return parent.Release(); }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	719
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	720 HRESULT DragEnter( IDataObject pDataObj, DWORD grfKeyState, POINT pt, DWORD *pdwEffect ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	721 return parent.DragEnter(pDataObj, grfKeyState, pt, pdwEffect);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	722 }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	723 HRESULT DragOver( DWORD grfKeyState, POINT pt, DWORD *pdwEffect ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	724 return parent.DragOver(grfKeyState, pt, pdwEffect);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	725 }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	726 HRESULT DragLeave(){ return parent.DragLeave(); }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	727 HRESULT Drop(IDataObject pDataObj,DWORD grfKeyState,POINT pt,DWORD *pdwEffect){
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	728 return parent.Drop(pDataObj, grfKeyState, pt, pdwEffect);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	729 }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	730 }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	731
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	732

Mercurial > projects > dwt-win

annotate dwt/dnd/DropTarget.d @ 136:04e357b8343d