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

annotate dwt/dnd/DropTarget.d @ 341:f403c83322c3 default tip

fix: thx torhu

author	Frank Benoit <benoit@tionex.de>
date	Sun, 08 Nov 2009 20:58:32 +0100
parents	fd9c62a2998e
children

rev	line source
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	1 /*******************************************************************************
246 fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	2 * Copyright (c) 2000, 2008 IBM Corporation and others.
135 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;
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	18 import dwt.internal.C;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	19 import dwt.internal.ole.win32.COM;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	20 import dwt.internal.ole.win32.extras;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	21 import dwt.internal.ole.win32.OBJIDL;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	22 import dwt.internal.ole.win32.OLEIDL;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	23 import dwt.internal.ole.win32.ifs;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import dwt.internal.win32.OS;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import dwt.widgets.Control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	26 import dwt.widgets.Event;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	27 import dwt.widgets.Listener;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	28 import dwt.widgets.Table;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	29 import dwt.widgets.Tree;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	30 import dwt.widgets.Widget;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	31
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	32 import dwt.dnd.Transfer;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	33 import dwt.dnd.DropTargetEffect;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	34 import dwt.dnd.TransferData;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	35 import dwt.dnd.DropTargetListener;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	36 import dwt.dnd.DNDListener;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	37 import dwt.dnd.DNDEvent;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	38 import dwt.dnd.DND;
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	39 import dwt.dnd.TableDropTargetEffect;
3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	40 import dwt.dnd.TreeDropTargetEffect;
3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	41
3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	42 import dwt.dwthelper.utils;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	43
135 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 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	46 * 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	47 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	48 * 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	49 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	50 * <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	51 * 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	52 * 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	53 * 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	54 * 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	55 * (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	56 *
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 * 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	59 * Transfer[] types = new Transfer[] {TextTransfer.getInstance()};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	60 * DropTarget target = new DropTarget(label, operations);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	61 * target.setTransfer(types);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	62 * </code></pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	63 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	64 * <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	65 * 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	66 * <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	67 * 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	68 * <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	69 * 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	70 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	71 * <code><pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	72 * target.addDropListener (new DropTargetListener() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	73 * public void dragEnter(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	74 * public void dragOver(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	75 * public void dragLeave(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	76 * public void dragOperationChanged(DropTargetEvent event) {};
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	77 * public void dropAccept(DropTargetEvent event) {}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	78 * public void drop(DropTargetEvent event) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	79 * // A drop has occurred, copy over the data
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	80 * 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	81 * event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	82 * return;
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 * 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	85 * }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	86 * });
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	87 * </pre></code>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	88 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	89 * <dl>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	90 * <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	91 * <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	92 * DND.DropAccept, DND.Drop </dd>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	93 * </dl>
246 fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	94 *
fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	95 * @see <a href="http://www.eclipse.org/swt/snippets/#dnd">Drag and Drop snippets</a>
fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	96 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: DNDExample</a>
fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	97 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	98 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	99 public class DropTarget : Widget {
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 Control control;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	102 Listener controlListener;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	103 Transfer[] transferAgents;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	104 DropTargetEffect dropEffect;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	105
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	106 // Track application selections
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	107 TransferData selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	108 int selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	109
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	110 // 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	111 int keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	112
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	113 // 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	114 // 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	115 // maintain a reference to it.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	116 IDataObject iDataObject;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	117
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	118 // interfaces
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	119 _IDropTargetImpl iDropTarget;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	120 int refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	121
212 ab60f3309436 reverted the char[] to String and use the an alias. Frank Benoit <benoit@tionex.de> parents: 137 diff changeset	122 static final String DEFAULT_DROP_TARGET_EFFECT = "DEFAULT_DROP_TARGET_EFFECT"; //$NON-NLS-1$
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	123
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	124 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	125 * 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	126 * <code>Control</code>.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	127 * 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	128 * 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	129 * be disposed when no longer required.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	130 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	131 * @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	132 * @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	133 * 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	134 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	135 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	136 * <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	137 * <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	138 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	139 * @exception DWTError <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	140 * <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	141 * 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	142 * of the drop target</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	143 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	144 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	145 * <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	146 * 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	147 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	148 * @see Widget#dispose
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	149 * @see DropTarget#checkSubclass
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	150 * @see DND#DROP_NONE
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	151 * @see DND#DROP_COPY
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	152 * @see DND#DROP_MOVE
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	153 * @see DND#DROP_LINK
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	154 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	155 public this(Control control, int style) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	156 super (control, checkStyle(style));
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	157 this.control = control;
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	158 if (control.getData(DND.DROP_TARGET_KEY) !is null) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	159 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	160 }
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	161 control.setData(DND.DROP_TARGET_KEY, this);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	162 createCOMInterfaces();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	163 this.AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	164
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	165 if (COM.CoLockObjectExternal(iDropTarget, true, true) !is COM.S_OK)
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	166 DND.error(DND.ERROR_CANNOT_INIT_DROP);
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	167 if (COM.RegisterDragDrop( control.handle, iDropTarget) !is COM.S_OK)
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	168 DND.error(DND.ERROR_CANNOT_INIT_DROP);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	169
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	170 controlListener = new class() Listener {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	171 public void handleEvent (Event event) {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	172 if (!this.outer.isDisposed()){
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	173 this.outer.dispose();
135 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 control.addListener (DWT.Dispose, controlListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	178
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	179 this.addListener(DWT.Dispose, new class() Listener {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	180 public void handleEvent (Event event) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	181 onDispose();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	182 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	183 });
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 Object effect = control.getData(DEFAULT_DROP_TARGET_EFFECT);
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	186 if ( auto dte = cast(DropTargetEffect) effect ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	187 dropEffect = dte;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	188 } else if ( auto table = cast(Table)control ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	189 dropEffect = new TableDropTargetEffect(table);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	190 } else if ( auto tree = cast(Tree)control ) {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	191 dropEffect = new TreeDropTargetEffect(tree);
135 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 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	194
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	195 static int checkStyle (int style) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	196 if (style is DWT.NONE) return DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	197 return style;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	198 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	199
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	200 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	201 * 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	202 * 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	203 * 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	204 * interface.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	205 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	206 * <p><ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	207 * <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	208 * <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	209 * the drop occurs or is cancelled.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	210 * <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	211 * (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	212 * <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	213 * <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	214 * 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	215 * <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	216 * </ul></p>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	217 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	218 * @param listener the listener which should be notified
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 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	221 * <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	222 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	223 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	224 * <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	225 * <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	226 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	227 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	228 * @see DropTargetListener
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	229 * @see #getDropListeners
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	230 * @see #removeDropListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	231 * @see DropTargetEvent
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	232 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	233 public void addDropListener(DropTargetListener listener) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	234 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	235 DNDListener typedListener = new DNDListener (listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	236 typedListener.dndWidget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	237 addListener (DND.DragEnter, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	238 addListener (DND.DragLeave, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	239 addListener (DND.DragOver, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	240 addListener (DND.DragOperationChanged, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	241 addListener (DND.Drop, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	242 addListener (DND.DropAccept, typedListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	243 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	244
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	245 ULONG AddRef() {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	246 refCount++;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	247 return refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	248 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	249
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	250 protected void checkSubclass () {
212 ab60f3309436 reverted the char[] to String and use the an alias. Frank Benoit <benoit@tionex.de> parents: 137 diff changeset	251 String name = this.classinfo.name;
ab60f3309436 reverted the char[] to String and use the an alias. Frank Benoit <benoit@tionex.de> parents: 137 diff changeset	252 String validName = DropTarget.classinfo.name;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	253 if (validName!=/eq/name) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	254 DND.error (DWT.ERROR_INVALID_SUBCLASS);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	255 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	256 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	257
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	258 void createCOMInterfaces() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	259 // register each of the interfaces that this object implements
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	260 iDropTarget = new _IDropTargetImpl(this);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	261 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	262
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	263 void disposeCOMInterfaces() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	264 iDropTarget = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	265 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	266
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	267 int DragEnter_64(IDataObject pDataObject, DWORD grfKeyState, long pt, DWORD* pdwEffect) {
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	268 POINTL point;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	269 OS.MoveMemory( &point, &pt, 8);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	270 return DragEnter(pDataObject, grfKeyState, point, pdwEffect);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	271 }
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	272
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	273 HRESULT DragEnter(IDataObject pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	274 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	275 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	276 if (iDataObject !is null) iDataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	277 iDataObject = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	278
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	279 DNDEvent event = new DNDEvent();
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	280 if (!setEventData(event, pDataObject, grfKeyState, pt, pdwEffect)) {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	281 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	282 return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	283 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	284
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	285 // Remember the iDataObject because it is not passed into the DragOver callback
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	286 iDataObject = pDataObject;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	287 iDataObject.AddRef();
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 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	290 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	291 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	292 notifyListeners(DND.DragEnter, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	293 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	294 if (event.detail is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	295 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	296 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	297
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	298 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	299 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	300 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	301 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	302 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	303 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	304 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	305
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	306 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	307 if (selectedDataType !is null && ((allowedOperations & event.detail) !is 0)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	308 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	309 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	310
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	311 *pdwEffect = opToOs(selectedOperation);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	312 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	313 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	314
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	315 HRESULT DragLeave() {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	316 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	317
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	320 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	321 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	322 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	323 event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	324 notifyListeners(DND.DragLeave, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	325 refresh();
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 iDataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	328 iDataObject = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	329 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	330 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	331
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	332 int DragOver_64(int grfKeyState, long pt, DWORD* pdwEffect) {
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	333 POINTL point;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	334 OS.MoveMemory(&point, &pt, 8);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	335 return DragOver(grfKeyState, point, pdwEffect);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	336 }
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	337
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	338 HRESULT DragOver(int grfKeyState, POINTL pt, DWORD* pdwEffect) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	339 if (iDataObject is null) return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	340 int oldKeyOperation = keyOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	341
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	342 DNDEvent event = new DNDEvent();
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	343 if (!setEventData(event, iDataObject, grfKeyState, pt, pdwEffect)) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	344 keyOperation = -1;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	345 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	346 return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	347 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	348
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	349 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	350 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	351 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
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 if (keyOperation is oldKeyOperation) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	354 event.type = DND.DragOver;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	355 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	356 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	357 } else {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	358 event.type = DND.DragOperationChanged;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	359 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	360 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	361 notifyListeners(event.type, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	362 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	363 if (event.detail is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	364 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	365 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	366
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	367 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	368 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	369 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	370 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	371 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	372 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	373 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	374
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	375 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	376 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	377 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	378 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	379
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	380 *pdwEffect = opToOs(selectedOperation);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	381 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	382 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	383
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	384 int Drop_64(IDataObject pDataObject, int grfKeyState, long pt, DWORD* pdwEffect) {
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	385 POINTL point;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	386 OS.MoveMemory(&point, &pt, 8);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	387 return Drop(pDataObject, grfKeyState, point, pdwEffect);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	388 }
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	389
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	390 HRESULT Drop(IDataObject pDataObject, int grfKeyState, POINTL pt, DWORD* pdwEffect) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	391 DNDEvent event = new DNDEvent();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	392 event.widget = this;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	393 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	394 if (dropEffect !is null) {
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	395 event.item = dropEffect.getItem(pt.x, pt.y);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	396 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	397 event.detail = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	398 notifyListeners(DND.DragLeave, event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	399 refresh();
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 event = new DNDEvent();
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	402 if (!setEventData(event, pDataObject, grfKeyState, pt, pdwEffect)) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	403 keyOperation = -1;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	404 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	405 return COM.S_FALSE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	406 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	407 keyOperation = -1;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	408 int allowedOperations = event.operations;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	409 TransferData[] allowedDataTypes = new TransferData[event.dataTypes.length];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	410 System.arraycopy(event.dataTypes, 0, allowedDataTypes, 0, allowedDataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	411 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	412 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	413 notifyListeners(DND.DropAccept,event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	414 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	415
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	416 selectedDataType = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	417 for (int i = 0; i < allowedDataTypes.length; i++) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	418 if (TransferData.sameType(allowedDataTypes[i], event.dataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	419 selectedDataType = allowedDataTypes[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	420 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	421 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	422 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	423 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	424 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	425 selectedOperation = event.detail;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	426 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	427
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	428 if (selectedOperation is DND.DROP_NONE){
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	429 *pdwEffect = COM.DROPEFFECT_NONE;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	430 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	431 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	432
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	433 // Get Data in a Java format
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	434 Object object = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	435 for (int i = 0; i < transferAgents.length; i++){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	436 Transfer transfer = transferAgents[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	437 if (transfer !is null && transfer.isSupportedType(selectedDataType)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	438 object = transfer.nativeToJava(selectedDataType);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	439 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	440 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	441 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	442 if (object is null){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	443 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	444 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	445
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	446 event.detail = selectedOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	447 event.dataType = selectedDataType;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	448 event.data = object;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	449 OS.ImageList_DragShowNolock(false);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	450 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	451 notifyListeners(DND.Drop,event);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	452 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	453 OS.ImageList_DragShowNolock(true);
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 refresh();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	456 selectedOperation = DND.DROP_NONE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	457 if ((allowedOperations & event.detail) is event.detail) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	458 selectedOperation = event.detail;
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 //notify source of action taken
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	461 *pdwEffect = opToOs(selectedOperation);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	462 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	463 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	464
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	465 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	466 * 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	467 * user positions the cursor to drop the data.
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 * @return the Control which is registered for this DropTarget
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	470 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	471 public Control getControl () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	472 return control;
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 /**
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	476 * Returns an array of listeners who will be notified when a drag and drop
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	477 * operation is in progress, by sending it one of the messages defined in
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	478 * the <code>DropTargetListener</code> interface.
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	479 *
246 fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	480 * @return the listeners who will be notified when a drag and drop
fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	481 * operation is in progress
fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	482 *
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	483 * @exception DWTException <ul>
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	484 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	485 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	486 * </ul>
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	487 *
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	488 * @see DropTargetListener
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	489 * @see #addDropListener
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	490 * @see #removeDropListener
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	491 * @see DropTargetEvent
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	492 *
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	493 * @since 3.4
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	494 */
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	495 public DropTargetListener[] getDropListeners() {
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	496 Listener[] listeners = getListeners(DND.DragEnter);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	497 int length = listeners.length;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	498 DropTargetListener[] dropListeners = new DropTargetListener[length];
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	499 int count = 0;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	500 for (int i = 0; i < length; i++) {
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	501 Listener listener = listeners[i];
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	502 if (auto l = cast(DNDListener)listener ) {
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	503 dropListeners[count] = cast(DropTargetListener) (l.getEventListener());
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	504 count++;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	505 }
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	506 }
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	507 if (count is length) return dropListeners;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	508 DropTargetListener[] result = new DropTargetListener[count];
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	509 SimpleType!(DropTargetListener).arraycopy(dropListeners, 0, result, 0, count);
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	510 return result;
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	511 }
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	512
36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	513 /**
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	514 * 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	515 * 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	516 * target widget.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	517 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	518 * @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	519 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	520 * @since 3.3
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 public DropTargetEffect getDropTargetEffect() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	523 return dropEffect;
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	526 int getOperationFromKeyState(int grfKeyState) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	527 bool ctrl = (grfKeyState & OS.MK_CONTROL) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	528 bool shift = (grfKeyState & OS.MK_SHIFT) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	529 bool alt = (grfKeyState & OS.MK_ALT) !is 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	530 if (alt) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	531 if (ctrl \|\| shift) return DND.DROP_DEFAULT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	532 return DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	533 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	534 if (ctrl && shift) return DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	535 if (ctrl)return DND.DROP_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	536 if (shift)return DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	537 return DND.DROP_DEFAULT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	538 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	539
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	540 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	541 * 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	542 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	543 * @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	544 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	545 public Transfer[] getTransfer() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	546 return transferAgents;
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 void onDispose () {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	550 if (control is null) return;
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 COM.RevokeDragDrop(control.handle);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	553
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	554 if (controlListener !is null)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	555 control.removeListener(DWT.Dispose, controlListener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	556 controlListener = null;
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	557 control.setData(DND.DROP_TARGET_KEY, null);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	558 transferAgents = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	559 control = null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	560
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	561 COM.CoLockObjectExternal(iDropTarget, false, true);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	562
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	563 this.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	564
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	565 COM.CoFreeUnusedLibraries();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	566 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	567
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	568 int opToOs(int operation) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	569 int osOperation = 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	570 if ((operation & DND.DROP_COPY) !is 0){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	571 osOperation \|= COM.DROPEFFECT_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	572 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	573 if ((operation & DND.DROP_LINK) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	574 osOperation \|= COM.DROPEFFECT_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	575 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	576 if ((operation & DND.DROP_MOVE) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	577 osOperation \|= COM.DROPEFFECT_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	578 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	579 return osOperation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	580 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	581
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	582 int osToOp(int osOperation){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	583 int operation = 0;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	584 if ((osOperation & COM.DROPEFFECT_COPY) !is 0){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	585 operation \|= DND.DROP_COPY;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	586 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	587 if ((osOperation & COM.DROPEFFECT_LINK) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	588 operation \|= DND.DROP_LINK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	589 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	590 if ((osOperation & COM.DROPEFFECT_MOVE) !is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	591 operation \|= DND.DROP_MOVE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	592 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	593 return operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	594 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	595
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	596 /* QueryInterface([in] iid, [out] ppvObject)
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	597 * 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	598 * 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	599 */
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	600 HRESULT QueryInterface(REFIID riid, void ** ppvObject) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	601
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	602 if (riid is null \|\| ppvObject is null)
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	603 return COM.E_INVALIDARG;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	604 if (COM.IsEqualGUID(riid, &COM.IIDIUnknown) \|\| COM.IsEqualGUID(riid, &COM.IIDIDropTarget)) {
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	605 ppvObject = cast(void)cast(IDropTarget) iDropTarget;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	606 AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	607 return COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	608 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	609
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	610 *ppvObject = null;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	611 return COM.E_NOINTERFACE;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	612 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	613
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	614 ULONG Release() {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	615 refCount--;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	616
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	617 if (refCount is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	618 disposeCOMInterfaces();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	619 COM.CoFreeUnusedLibraries();
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
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	622 return refCount;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	623 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	624
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	625 void refresh() {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	626 if (control is null \|\| control.isDisposed()) return;
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	627 auto handle = control.handle;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	628 RECT lpRect;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	629 if (OS.GetUpdateRect(handle, &lpRect, false)) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	630 OS.ImageList_DragShowNolock(false);
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	631 OS.RedrawWindow(handle, &lpRect, null, OS.RDW_UPDATENOW \| OS.RDW_INVALIDATE);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	632 OS.ImageList_DragShowNolock(true);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	633 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	634 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	635
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	636 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	637 * 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	638 * 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	639 *
246 fd9c62a2998e Updater SWT 3.4M7 to 3.4 Frank Benoit <benoit@tionex.de> parents: 213 diff changeset	640 * @param listener the listener which should no longer be notified
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	641 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	642 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	643 * <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	644 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	645 * @exception DWTException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	646 * <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	647 * <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	648 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	649 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	650 * @see DropTargetListener
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	651 * @see #addDropListener
213 36f5cb12e1a2 Update to SWT 3.4M7 Frank Benoit <benoit@tionex.de> parents: 212 diff changeset	652 * @see #getDropListeners
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	653 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	654 public void removeDropListener(DropTargetListener listener) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	655 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	656 removeListener (DND.DragEnter, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	657 removeListener (DND.DragLeave, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	658 removeListener (DND.DragOver, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	659 removeListener (DND.DragOperationChanged, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	660 removeListener (DND.Drop, listener);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	661 removeListener (DND.DropAccept, listener);
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 * 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	666 * 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	667 * target widget.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	668 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	669 * @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	670 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	671 * @since 3.3
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	672 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	673 public void setDropTargetEffect(DropTargetEffect effect) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	674 dropEffect = effect;
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
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	677 bool setEventData(DNDEvent event, IDataObject pDataObject, int grfKeyState, POINTL pt, DWORD* pdwEffect) {
3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	678 if (pDataObject is null \|\| pdwEffect is null) return false;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	679
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	680 // get allowed operations
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	681 int style = getStyle();
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	682 int[1] operations;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	683 OS.MoveMemory(operations.ptr, pdwEffect, 4);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	684 operations[0] = osToOp(operations[0]) & style;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	685 if (operations[0] is DND.DROP_NONE) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	686
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	687 // get current operation
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	688 int operation = getOperationFromKeyState(grfKeyState);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	689 keyOperation = operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	690 if (operation is DND.DROP_DEFAULT) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	691 if ((style & DND.DROP_DEFAULT) is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	692 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	693 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	694 } else {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	695 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	696 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	697
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	698 // Get allowed transfer types
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	699 TransferData[] dataTypes = new TransferData[0];
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	700 IDataObject dataObject = pDataObject;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	701 dataObject.AddRef();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	702 try {
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	703 IEnumFORMATETC[1] address;
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	704 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	705 return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	706 }
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	707 IEnumFORMATETC enumFormatetc = address[0];
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	708 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	709 // Loop over enumerator and save any types that match what we are looking for
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	710 auto rgelt = cast(FORMATETC*) OS.GlobalAlloc(OS.GMEM_FIXED \| OS.GMEM_ZEROINIT, FORMATETC.sizeof);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	711 try {
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	712 uint[1] pceltFetched;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	713 enumFormatetc.Reset();
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	714 while (enumFormatetc.Next(1, rgelt, pceltFetched.ptr) is COM.S_OK && pceltFetched[0] is 1) {
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	715 TransferData transferData = new TransferData();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	716 transferData.formatetc = new FORMATETC();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	717 COM.MoveMemory(transferData.formatetc, rgelt, FORMATETC.sizeof);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	718 transferData.type = transferData.formatetc.cfFormat;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	719 transferData.pIDataObject = pDataObject;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	720 for (int i = 0; i < transferAgents.length; i++){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	721 Transfer transfer = transferAgents[i];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	722 if (transfer !is null && transfer.isSupportedType(transferData)){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	723 TransferData[] newDataTypes = new TransferData[dataTypes.length + 1];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	724 System.arraycopy(dataTypes, 0, newDataTypes, 0, dataTypes.length);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	725 newDataTypes[dataTypes.length] = transferData;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	726 dataTypes = newDataTypes;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	727 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	728 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	729 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	730 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	731 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	732 OS.GlobalFree(rgelt);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	733 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	734 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	735 enumFormatetc.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	736 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	737 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	738 dataObject.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	739 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	740 if (dataTypes.length is 0) return false;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	741
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	742 event.widget = this;
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	743 event.x = pt.x;
3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	744 event.y = pt.y;
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	745 event.time = OS.GetMessageTime();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	746 event.feedback = DND.FEEDBACK_SELECT;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	747 event.dataTypes = dataTypes;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	748 event.dataType = dataTypes[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	749 if (dropEffect !is null) {
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	750 event.item = dropEffect.getItem(pt.x, pt.y);
135 242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	751 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	752 event.operations = operations[0];
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	753 event.detail = operation;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	754 return true;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	755 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	756
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	757 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	758 * 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	759 * 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	760 * 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	761 * will be DND.NONE.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	762 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	763 * @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	764 * dropped on this target
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	765 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	766 * @exception IllegalArgumentException <ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	767 * <li>ERROR_NULL_ARGUMENT - if transferAgents is null</li>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	768 * </ul>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	769 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	770 public void setTransfer(Transfer[] transferAgents){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	771 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	772 this.transferAgents = transferAgents;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	773 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed Frank Benoit <benoit@tionex.de> parents: diff changeset	774 }
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	775
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	776 class _IDropTargetImpl : IDropTarget {
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	777
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	778 DropTarget parent;
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	779 this(DropTarget p) { parent = p; }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	780 extern (Windows):
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	781 // interface of IUnknown
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	782 HRESULT QueryInterface(REFIID riid, void ** ppvObject) { return parent.QueryInterface(riid, ppvObject); }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	783 ULONG AddRef() { return parent.AddRef(); }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	784 ULONG Release() { return parent.Release(); }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	785
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	786 HRESULT DragEnter( IDataObject pDataObj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect ) {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	787 return parent.DragEnter(pDataObj, grfKeyState, pt, pdwEffect);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	788 }
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	789 HRESULT DragOver( DWORD grfKeyState, POINTL pt, DWORD *pdwEffect ) {
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	790 return parent.DragOver(grfKeyState, pt, pdwEffect);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	791 }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	792 HRESULT DragLeave(){ return parent.DragLeave(); }
137 3665cb9211b2 DropTarget Frank Benoit <benoit@tionex.de> parents: 136 diff changeset	793 HRESULT Drop(IDataObject pDataObj,DWORD grfKeyState,POINTL pt,DWORD *pdwEffect){
136 04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	794 return parent.Drop(pDataObj, grfKeyState, pt, pdwEffect);
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	795 }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	796 }
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	797
04e357b8343d DragSource Frank Benoit <benoit@tionex.de> parents: 135 diff changeset	798

Mercurial > projects > dwt-win

annotate dwt/dnd/DropTarget.d @ 341:f403c83322c3 default tip