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comparison org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/dnd/TransferData.d @ 0:6dd524f61e62

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add dwt win and basic java stuff
author Frank Benoit <benoit@tionex.de>
date Mon, 02 Mar 2009 14:44:16 +0100
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1 /*******************************************************************************
2 * Copyright (c) 2000, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module org.eclipse.swt.dnd.TransferData;
14
15 import org.eclipse.swt.internal.ole.win32.COM;
16 import org.eclipse.swt.internal.ole.win32.OBJIDL;
17
18 /**
19 * The <code>TransferData</code> class is a platform specific data structure for
20 * describing the type and the contents of data being converted by a transfer agent.
21 *
22 * <p>As an application writer, you do not need to know the specifics of
23 * TransferData. TransferData instances are passed to a subclass of Transfer
24 * and the Transfer object manages the platform specific issues.
25 * You can ask a Transfer subclass if it can handle this data by calling
26 * Transfer.isSupportedType(transferData).</p>
27 *
28 * <p>You should only need to become familiar with the fields in this class if you
29 * are implementing a Transfer subclass and you are unable to subclass the
30 * ByteArrayTransfer class.</p>
31 *
32 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
33 */
34 public class TransferData {
35 /**
36 * The type is a unique identifier of a system format or user defined format.
37 * (Warning: This field is platform dependent)
38 * <p>
39 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
40 * public API. It is marked public only so that it can be shared
41 * within the packages provided by SWT. It is not available on all
42 * platforms and should never be accessed from application code.
43 * </p>
44 */
45 public int type;
46
47 /**
48 * The formatetc structure is a generalized data transfer format, enhanced to
49 * encompass a target device, the aspect, or view of the data, and
50 * a storage medium.
51 * (Warning: This field is platform dependent)
52 * <p>
53 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
54 * public API. It is marked public only so that it can be shared
55 * within the packages provided by SWT. It is not available on all
56 * platforms and should never be accessed from application code.
57 * </p>
58 */
59 public FORMATETC* formatetc;
60
61 /**
62 * The stgmedium structure is a generalized global memory handle used for
63 * data transfer operations.
64 * (Warning: This field is platform dependent)
65 * <p>
66 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
67 * public API. It is marked public only so that it can be shared
68 * within the packages provided by SWT. It is not available on all
69 * platforms and should never be accessed from application code.
70 * </p>
71 */
72 public STGMEDIUM* stgmedium;
73
74 /**
75 * The result field contains the result of converting a
76 * java data type into a platform specific value.
77 * (Warning: This field is platform dependent)
78 * <p>
79 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
80 * public API. It is marked public only so that it can be shared
81 * within the packages provided by SWT. It is not available on all
82 * platforms and should never be accessed from application code.
83 * </p>
84 * <p>The value of result is 1 if the conversion was successful.
85 * The value of result is 0 if the conversion failed.</p>
86 */
87 public int result = COM.E_FAIL;
88
89 /**
90 * The pIDataObject is the address of an IDataObject OLE Interface which
91 * provides access to the data associated with the transfer.
92 * (Warning: This field is platform dependent)
93 * <p>
94 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
95 * public API. It is marked public only so that it can be shared
96 * within the packages provided by SWT. It is not available on all
97 * platforms and should never be accessed from application code.
98 * </p>
99 */
100 public IDataObject pIDataObject;
101
102 static bool sameType(TransferData data1, TransferData data2) {
103 if (data1 is data2) return true;
104 if (data1 is null || data2 is null) return false;
105 return (data1.type is data2.type &&
106 data1.formatetc.cfFormat is data2.formatetc.cfFormat &&
107 data1.formatetc.dwAspect is data2.formatetc.dwAspect &&
108 data1.formatetc.tymed is data2.formatetc.tymed);
109 }
110
111 }