Mercurial > projects > dwt-mac
annotate dwt/dnd/DragSourceEvent.d @ 122:2e671fa40eec
Ported dwt.dnd, dwt.opengl, dwt.printing and dwt.program
author | Jacob Carlborg <doob@me.com> |
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date | Wed, 31 Dec 2008 21:01:13 +0100 |
parents | d5f4a7c8aa74 |
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rev | line source |
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1 /******************************************************************************* |
45 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
97 | 10 * |
11 * Port to the D programming language: | |
12 * Jacob Carlborg <doob@me.com> | |
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13 *******************************************************************************/ |
45 | 14 module dwt.dnd.DragSourceEvent; |
15 | |
16 import dwt.dwthelper.utils; | |
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17 |
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18 import dwt.events.TypedEvent; |
45 | 19 import dwt.graphics.Image; |
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20 |
97 | 21 import dwt.dnd.DNDEvent; |
22 import dwt.dnd.TransferData; | |
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23 import dwt.widgets.Event; |
97 | 24 |
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25 /** |
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26 * The DragSourceEvent contains the event information passed in the methods of the DragSourceListener. |
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27 * |
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28 * @see DragSourceListener |
45 | 29 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
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30 */ |
97 | 31 public class DragSourceEvent : TypedEvent { |
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32 /** |
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33 * The operation that was performed. |
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34 * @see DND#DROP_NONE |
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35 * @see DND#DROP_MOVE |
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36 * @see DND#DROP_COPY |
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37 * @see DND#DROP_LINK |
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38 * @see DND#DROP_TARGET_MOVE |
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39 */ |
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40 public int detail; |
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41 |
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42 /** |
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43 * In dragStart, the doit field determines if the drag and drop operation |
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44 * should proceed; in dragFinished, the doit field indicates whether |
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45 * the operation was performed successfully. |
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46 * <p></p> |
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47 * In dragStart: |
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48 * <p>Flag to determine if the drag and drop operation should proceed. |
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49 * The application can set this value to false to prevent the drag from starting. |
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50 * Set to true by default.</p> |
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51 * |
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52 * <p>In dragFinished:</p> |
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53 * <p>Flag to indicate if the operation was performed successfully. |
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54 * True if the operation was performed successfully.</p> |
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55 */ |
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56 public bool doit; |
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57 |
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58 /** |
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59 * In dragStart, the x coordinate (relative to the control) of the |
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60 * position the mouse went down to start the drag. |
45 | 61 * |
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62 * @since 3.2 |
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63 */ |
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64 public int x; |
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65 /** |
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66 * In dragStart, the y coordinate (relative to the control) of the |
45 | 67 * position the mouse went down to start the drag. |
68 * | |
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69 * @since 3.2 |
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70 */ |
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71 public int y; |
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72 |
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73 /** |
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74 * The type of data requested. |
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75 * Data provided in the data field must be of the same type. |
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76 */ |
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77 public TransferData dataType; |
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78 |
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79 /** |
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80 * The drag source image to be displayed during the drag. |
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81 * <p>A value of null indicates that no drag image will be displayed.</p> |
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82 * <p>The default value is null.</p> |
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83 * |
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84 * @since 3.3 |
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85 */ |
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86 public Image image; |
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87 |
45 | 88 /** |
89 * In dragStart, the x offset (relative to the image) where the drag source image will be displayed. | |
90 * | |
91 * @since 3.5 | |
92 */ | |
93 public int offsetX; | |
94 /** | |
95 * In dragStart, the y offset (relative to the image) where the drag source image will be displayed. | |
96 * | |
97 * @since 3.5 | |
98 */ | |
99 public int offsetY; | |
100 | |
97 | 101 static const long serialVersionUID = 3257002142513770808L; |
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102 |
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103 /** |
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104 * Constructs a new instance of this class based on the |
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105 * information in the given untyped event. |
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106 * |
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107 * @param e the untyped event containing the information |
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108 */ |
97 | 109 public this(DNDEvent e) { |
122
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110 super(cast(Event) e); |
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111 this.data = e.data; |
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112 this.detail = e.detail; |
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113 this.doit = e.doit; |
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114 this.dataType = e.dataType; |
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115 this.x = e.x; |
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116 this.y = e.y; |
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117 this.image = e.image; |
45 | 118 this.offsetX = e.offsetX; |
119 this.offsetY = e.offsetY; | |
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120 } |
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121 void updateEvent(DNDEvent e) { |
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122 e.widget = this.widget; |
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123 e.time = this.time; |
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124 e.data = this.data; |
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125 e.detail = this.detail; |
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126 e.doit = this.doit; |
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127 e.dataType = this.dataType; |
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128 e.x = this.x; |
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129 e.y = this.y; |
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130 e.image = this.image; |
45 | 131 e.offsetX = this.offsetX; |
132 e.offsetY = this.offsetY; | |
133 } | |
134 /** | |
135 * Returns a string containing a concise, human-readable | |
136 * description of the receiver. | |
137 * | |
138 * @return a string representation of the event | |
139 */ | |
140 public String toString() { | |
141 String string = super.toString (); | |
97 | 142 return Format("{}{}{}{}{}{}{}", string.substring (0, string.length() - 1) // remove trailing '}' |
143 , " operation=" , detail | |
144 , " type=" , (dataType !is null ? dataType.type : 0) | |
145 , " doit=" , doit | |
146 , "}"); | |
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147 } |
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148 } |