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annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/graphics/Cursor.d @ 36:d46287db17ed

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rakefile reorg, swt win phobosification
author Frank Benoit <benoit@tionex.de>
date Tue, 24 Mar 2009 08:48:41 +0100
parents 6bf2837c50fe
children 63aa48e5430f
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1 /*******************************************************************************
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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
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.swt.graphics.Cursor;
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14
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15
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16 import org.eclipse.swt.SWT;
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17 import org.eclipse.swt.SWTError;
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18 import org.eclipse.swt.internal.win32.OS;
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19
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20 import org.eclipse.swt.graphics.Resource;
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21 import org.eclipse.swt.graphics.Device;
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22 import org.eclipse.swt.graphics.ImageData;
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23 import org.eclipse.swt.graphics.RGB;
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24 import org.eclipse.swt.graphics.PaletteData;
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25 import org.eclipse.swt.graphics.Image;
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26
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27 import java.lang.all;
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28
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29 /**
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30 * Instances of this class manage operating system resources that
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31 * specify the appearance of the on-screen pointer. To create a
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32 * cursor you specify the device and either a simple cursor style
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33 * describing one of the standard operating system provided cursors
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34 * or the image and mask data for the desired appearance.
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35 * <p>
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36 * Application code must explicitly invoke the <code>Cursor.dispose()</code>
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37 * method to release the operating system resources managed by each instance
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38 * when those instances are no longer required.
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39 * </p>
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40 * <dl>
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41 * <dt><b>Styles:</b></dt>
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42 * <dd>
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43 * CURSOR_ARROW, CURSOR_WAIT, CURSOR_CROSS, CURSOR_APPSTARTING, CURSOR_HELP,
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44 * CURSOR_SIZEALL, CURSOR_SIZENESW, CURSOR_SIZENS, CURSOR_SIZENWSE, CURSOR_SIZEWE,
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45 * CURSOR_SIZEN, CURSOR_SIZES, CURSOR_SIZEE, CURSOR_SIZEW, CURSOR_SIZENE, CURSOR_SIZESE,
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46 * CURSOR_SIZESW, CURSOR_SIZENW, CURSOR_UPARROW, CURSOR_IBEAM, CURSOR_NO, CURSOR_HAND
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47 * </dd>
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48 * </dl>
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49 * <p>
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50 * Note: Only one of the above styles may be specified.
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51 * </p>
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52 *
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53 * @see <a href="http://www.eclipse.org/swt/snippets/#cursor">Cursor snippets</a>
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54 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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55 */
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56
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57 public final class Cursor : Resource {
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58
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59 alias Resource.init_ init_;
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60
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61 /**
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62 * the handle to the OS cursor resource
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63 * (Warning: This field is platform dependent)
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64 * <p>
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65 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
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66 * public API. It is marked public only so that it can be shared
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67 * within the packages provided by SWT. It is not available on all
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68 * platforms and should never be accessed from application code.
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69 * </p>
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70 */
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71 public HCURSOR handle;
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72
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73 bool isIcon;
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74
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75 /**
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76 * data used to create a HAND cursor.
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77 */
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78 static const byte[] HAND_SOURCE = [
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79 cast(byte)0xf9,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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80 cast(byte)0xf0,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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81 cast(byte)0xf0,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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82 cast(byte)0xf0,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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83 cast(byte)0xf0,cast(byte)0x3f,cast(byte)0xff,cast(byte)0xff,
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84 cast(byte)0xf0,cast(byte)0x07,cast(byte)0xff,cast(byte)0xff,
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85 cast(byte)0xf0,cast(byte)0x03,cast(byte)0xff,cast(byte)0xff,
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86 cast(byte)0xf0,cast(byte)0x00,cast(byte)0xff,cast(byte)0xff,
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87
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88 cast(byte)0x10,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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89 cast(byte)0x00,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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90 cast(byte)0x80,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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91 cast(byte)0xc0,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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92 cast(byte)0xe0,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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93 cast(byte)0xf0,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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94 cast(byte)0xf8,cast(byte)0x00,cast(byte)0xff,cast(byte)0xff,
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95 cast(byte)0xfc,cast(byte)0x01,cast(byte)0xff,cast(byte)0xff,
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96
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97 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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98 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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99 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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100 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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101 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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102 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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103 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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104 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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105
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106 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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107 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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108 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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109 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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110 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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111 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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112 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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113 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff
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114 ];
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115 static const byte[] HAND_MASK = [
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116 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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117 cast(byte)0x06,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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118 cast(byte)0x06,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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119 cast(byte)0x06,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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120 cast(byte)0x06,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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121 cast(byte)0x06,cast(byte)0xc0,cast(byte)0x00,cast(byte)0x00,
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122 cast(byte)0x06,cast(byte)0xd8,cast(byte)0x00,cast(byte)0x00,
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123 cast(byte)0x06,cast(byte)0xd8,cast(byte)0x00,cast(byte)0x00,
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124
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125 cast(byte)0x07,cast(byte)0xdb,cast(byte)0x00,cast(byte)0x00,
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126 cast(byte)0x67,cast(byte)0xfb,cast(byte)0x00,cast(byte)0x00,
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127 cast(byte)0x3f,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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128 cast(byte)0x1f,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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129 cast(byte)0x0f,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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130 cast(byte)0x07,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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131 cast(byte)0x03,cast(byte)0xfe,cast(byte)0x00,cast(byte)0x00,
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132 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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133
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134 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
135 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
136 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
137 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
138 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
139 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
140 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
141 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
142
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
143 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
144 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
145 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
146 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
147 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
148 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
149 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
150 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00
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parents:
diff changeset
151 ];
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diff changeset
152
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
153 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
154 * Prevents uninitialized instances from being created outside the package.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
155 */
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diff changeset
156 this(Device device) {
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parents:
diff changeset
157 super(device);
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158 }
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159
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
160 /**
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parents:
diff changeset
161 * Constructs a new cursor given a device and a style
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parents:
diff changeset
162 * constant describing the desired cursor appearance.
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diff changeset
163 * <p>
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164 * You must dispose the cursor when it is no longer required.
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165 * </p>
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166 *
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167 * @param device the device on which to allocate the cursor
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168 * @param style the style of cursor to allocate
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169 *
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170 * @exception IllegalArgumentException <ul>
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171 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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172 * <li>ERROR_INVALID_ARGUMENT - when an unknown style is specified</li>
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173 * </ul>
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diff changeset
174 * @exception SWTError <ul>
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175 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li>
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176 * </ul>
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177 *
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178 * @see SWT#CURSOR_ARROW
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diff changeset
179 * @see SWT#CURSOR_WAIT
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180 * @see SWT#CURSOR_CROSS
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181 * @see SWT#CURSOR_APPSTARTING
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diff changeset
182 * @see SWT#CURSOR_HELP
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diff changeset
183 * @see SWT#CURSOR_SIZEALL
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diff changeset
184 * @see SWT#CURSOR_SIZENESW
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diff changeset
185 * @see SWT#CURSOR_SIZENS
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diff changeset
186 * @see SWT#CURSOR_SIZENWSE
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diff changeset
187 * @see SWT#CURSOR_SIZEWE
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diff changeset
188 * @see SWT#CURSOR_SIZEN
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diff changeset
189 * @see SWT#CURSOR_SIZES
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diff changeset
190 * @see SWT#CURSOR_SIZEE
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parents:
diff changeset
191 * @see SWT#CURSOR_SIZEW
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parents:
diff changeset
192 * @see SWT#CURSOR_SIZENE
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diff changeset
193 * @see SWT#CURSOR_SIZESE
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diff changeset
194 * @see SWT#CURSOR_SIZESW
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diff changeset
195 * @see SWT#CURSOR_SIZENW
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parents:
diff changeset
196 * @see SWT#CURSOR_UPARROW
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diff changeset
197 * @see SWT#CURSOR_IBEAM
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diff changeset
198 * @see SWT#CURSOR_NO
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diff changeset
199 * @see SWT#CURSOR_HAND
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200 */
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parents:
diff changeset
201 public this(Device device, int style) {
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diff changeset
202 super(device);
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diff changeset
203 int /*long*/ lpCursorName = 0;
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diff changeset
204 switch (style) {
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diff changeset
205 case SWT.CURSOR_HAND: lpCursorName = OS.IDC_HAND; break;
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parents:
diff changeset
206 case SWT.CURSOR_ARROW: lpCursorName = OS.IDC_ARROW; break;
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parents:
diff changeset
207 case SWT.CURSOR_WAIT: lpCursorName = OS.IDC_WAIT; break;
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diff changeset
208 case SWT.CURSOR_CROSS: lpCursorName = OS.IDC_CROSS; break;
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parents:
diff changeset
209 case SWT.CURSOR_APPSTARTING: lpCursorName = OS.IDC_APPSTARTING; break;
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parents:
diff changeset
210 case SWT.CURSOR_HELP: lpCursorName = OS.IDC_HELP; break;
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parents:
diff changeset
211 case SWT.CURSOR_SIZEALL: lpCursorName = OS.IDC_SIZEALL; break;
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parents:
diff changeset
212 case SWT.CURSOR_SIZENESW: lpCursorName = OS.IDC_SIZENESW; break;
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parents:
diff changeset
213 case SWT.CURSOR_SIZENS: lpCursorName = OS.IDC_SIZENS; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 case SWT.CURSOR_SIZENWSE: lpCursorName = OS.IDC_SIZENWSE; break;
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parents:
diff changeset
215 case SWT.CURSOR_SIZEWE: lpCursorName = OS.IDC_SIZEWE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 case SWT.CURSOR_SIZEN: lpCursorName = OS.IDC_SIZENS; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
217 case SWT.CURSOR_SIZES: lpCursorName = OS.IDC_SIZENS; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 case SWT.CURSOR_SIZEE: lpCursorName = OS.IDC_SIZEWE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 case SWT.CURSOR_SIZEW: lpCursorName = OS.IDC_SIZEWE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
220 case SWT.CURSOR_SIZENE: lpCursorName = OS.IDC_SIZENESW; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 case SWT.CURSOR_SIZESE: lpCursorName = OS.IDC_SIZENWSE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 case SWT.CURSOR_SIZESW: lpCursorName = OS.IDC_SIZENESW; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 case SWT.CURSOR_SIZENW: lpCursorName = OS.IDC_SIZENWSE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 case SWT.CURSOR_UPARROW: lpCursorName = OS.IDC_UPARROW; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 case SWT.CURSOR_IBEAM: lpCursorName = OS.IDC_IBEAM; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 case SWT.CURSOR_NO: lpCursorName = OS.IDC_NO; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 default:
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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229 }
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parents:
diff changeset
230 handle = OS.LoadCursor(null, cast(wchar*)lpCursorName);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
231 /*
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parents:
diff changeset
232 * IDC_HAND is supported only on Windows 2000 and Windows 98.
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parents:
diff changeset
233 * Create a hand cursor if running in other Windows platforms.
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parents:
diff changeset
234 */
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parents:
diff changeset
235 if (handle is null && style is SWT.CURSOR_HAND) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 int width = OS.GetSystemMetrics(OS.SM_CXCURSOR);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 int height = OS.GetSystemMetrics(OS.SM_CYCURSOR);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 if (width is 32 && height is 32) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239 auto hInst = OS.GetModuleHandle(null);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 static if (OS.IsWinCE) SWT.error(SWT.ERROR_NOT_IMPLEMENTED);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 handle = OS.CreateCursor(hInst, 5, 0, 32, 32, HAND_SOURCE.ptr, HAND_MASK.ptr);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 }
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parents:
diff changeset
244 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 init_();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 }
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diff changeset
248
6dd524f61e62 add dwt win and basic java stuff
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parents:
diff changeset
249 /**
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parents:
diff changeset
250 * Constructs a new cursor given a device, image and mask
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parents:
diff changeset
251 * data describing the desired cursor appearance, and the x
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parents:
diff changeset
252 * and y coordinates of the <em>hotspot</em> (that is, the point
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parents:
diff changeset
253 * within the area covered by the cursor which is considered
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parents:
diff changeset
254 * to be where the on-screen pointer is "pointing").
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parents:
diff changeset
255 * <p>
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parents:
diff changeset
256 * The mask data is allowed to be null, but in this case the source
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parents:
diff changeset
257 * must be an ImageData representing an icon that specifies both
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parents:
diff changeset
258 * color data and mask data.
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parents:
diff changeset
259 * <p>
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parents:
diff changeset
260 * You must dispose the cursor when it is no longer required.
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parents:
diff changeset
261 * </p>
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parents:
diff changeset
262 *
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parents:
diff changeset
263 * @param device the device on which to allocate the cursor
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parents:
diff changeset
264 * @param source the color data for the cursor
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parents:
diff changeset
265 * @param mask the mask data for the cursor (or null)
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parents:
diff changeset
266 * @param hotspotX the x coordinate of the cursor's hotspot
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parents:
diff changeset
267 * @param hotspotY the y coordinate of the cursor's hotspot
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parents:
diff changeset
268 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
269 * @exception IllegalArgumentException <ul>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
270 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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parents:
diff changeset
271 * <li>ERROR_NULL_ARGUMENT - if the source is null</li>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
272 * <li>ERROR_NULL_ARGUMENT - if the mask is null and the source does not have a mask</li>
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parents:
diff changeset
273 * <li>ERROR_INVALID_ARGUMENT - if the source and the mask are not the same
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
274 * size, or if the hotspot is outside the bounds of the image</li>
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275 * </ul>
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276 * @exception SWTError <ul>
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277 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li>
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278 * </ul>
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279 */
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280 public this(Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY) {
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diff changeset
281 super(device);
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diff changeset
282 if (source is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
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283 if (mask is null) {
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diff changeset
284 if (source.getTransparencyType() !is SWT.TRANSPARENCY_MASK) {
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285 SWT.error(SWT.ERROR_NULL_ARGUMENT);
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286 }
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287 mask = source.getTransparencyMask();
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288 }
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289 /* Check the bounds. Mask must be the same size as source */
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290 if (mask.width !is source.width || mask.height !is source.height) {
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291 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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292 }
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293 /* Check the hotspots */
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294 if (hotspotX >= source.width || hotspotX < 0 ||
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295 hotspotY >= source.height || hotspotY < 0) {
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296 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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297 }
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298 /* Convert depth to 1 */
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diff changeset
299 mask = ImageData.convertMask(mask);
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300 source = ImageData.convertMask(source);
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301
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diff changeset
302 /* Make sure source and mask scanline pad is 2 */
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parents:
diff changeset
303 byte[] sourceData = ImageData.convertPad(source.data, source.width, source.height, source.depth, source.scanlinePad, 2);
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304 byte[] maskData = ImageData.convertPad(mask.data, mask.width, mask.height, mask.depth, mask.scanlinePad, 2);
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305
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306 /* Create the cursor */
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diff changeset
307 auto hInst = OS.GetModuleHandle(null);
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diff changeset
308 static if (OS.IsWinCE) SWT.error (SWT.ERROR_NOT_IMPLEMENTED);
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309 handle = OS.CreateCursor(hInst, hotspotX, hotspotY, source.width, source.height, sourceData.ptr, maskData.ptr);
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310 if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
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311 init_();
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312 }
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313
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314 /**
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315 * Constructs a new cursor given a device, image data describing
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316 * the desired cursor appearance, and the x and y coordinates of
6dd524f61e62 add dwt win and basic java stuff
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317 * the <em>hotspot</em> (that is, the point within the area
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318 * covered by the cursor which is considered to be where the
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Frank Benoit <benoit@tionex.de>
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319 * on-screen pointer is "pointing").
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parents:
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320 * <p>
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321 * You must dispose the cursor when it is no longer required.
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322 * </p>
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323 *
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324 * @param device the device on which to allocate the cursor
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325 * @param source the image data for the cursor
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parents:
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326 * @param hotspotX the x coordinate of the cursor's hotspot
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327 * @param hotspotY the y coordinate of the cursor's hotspot
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328 *
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329 * @exception IllegalArgumentException <ul>
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parents:
diff changeset
330 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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parents:
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331 * <li>ERROR_NULL_ARGUMENT - if the image is null</li>
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parents:
diff changeset
332 * <li>ERROR_INVALID_ARGUMENT - if the hotspot is outside the bounds of the
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parents:
diff changeset
333 * image</li>
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parents:
diff changeset
334 * </ul>
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parents:
diff changeset
335 * @exception SWTError <ul>
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parents:
diff changeset
336 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li>
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parents:
diff changeset
337 * </ul>
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Frank Benoit <benoit@tionex.de>
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diff changeset
338 *
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339 * @since 3.0
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340 */
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341 public this(Device device, ImageData source, int hotspotX, int hotspotY) {
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342 super(device);
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diff changeset
343 if (source is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
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diff changeset
344 /* Check the hotspots */
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parents:
diff changeset
345 if (hotspotX >= source.width || hotspotX < 0 ||
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diff changeset
346 hotspotY >= source.height || hotspotY < 0) {
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diff changeset
347 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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parents:
diff changeset
348 }
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diff changeset
349 ImageData mask = source.getTransparencyMask();
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parents:
diff changeset
350 int[] result = Image.init_(this.device, null, source, mask);
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351 auto hBitmap = cast(HBITMAP)result[0];
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diff changeset
352 auto hMask = cast(HBITMAP)result[1];
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diff changeset
353 /* Create the icon */
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parents:
diff changeset
354 ICONINFO info;
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parents:
diff changeset
355 info.fIcon = false;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 info.hbmColor = hBitmap;
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diff changeset
357 info.hbmMask = hMask;
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diff changeset
358 info.xHotspot = hotspotX;
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parents:
diff changeset
359 info.yHotspot = hotspotY;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360 handle = OS.CreateIconIndirect(&info);
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parents:
diff changeset
361 if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
362 OS.DeleteObject(hBitmap);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
363 OS.DeleteObject(hMask);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 isIcon = true;
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parents:
diff changeset
365 init_();
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parents:
diff changeset
366 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
367
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
368 void destroy () {
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parents:
diff changeset
369 /*
6dd524f61e62 add dwt win and basic java stuff
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parents:
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370 * It is an error in Windows to destroy the current
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
371 * cursor. Check that the cursor that is about to
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
372 * be destroyed is the current cursor. If so, set
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 * the current cursor to be IDC_ARROW. Note that
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
374 * Windows shares predefined cursors so the call to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375 * LoadCursor() does not leak.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
376 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 // TEMPORARY CODE
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parents:
diff changeset
378 // if (OS.GetCursor() is handle) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
379 // OS.SetCursor(OS.LoadCursor(0, OS.IDC_ARROW));
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
380 // }
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parents:
diff changeset
381
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382 if (isIcon) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 OS.DestroyIcon(handle);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 } else {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386 * The MSDN states that one should not destroy a shared
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 * cursor, that is, one obtained from LoadCursor.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388 * However, it does not appear to do any harm, so rather
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 * than keep track of how a cursor was created, we just
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 * destroy them all. If this causes problems in the future,
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
391 * put the flag back in.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 static if (!OS.IsWinCE) OS.DestroyCursor(handle);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 handle = null;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 }
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parents:
diff changeset
397
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 * Compares the argument to the receiver, and returns true
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 * if they represent the <em>same</em> object using a class
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 * specific comparison.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 * @param object the object to compare with this object
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
405 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
406 * @see #hashCode
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407 */
36
d46287db17ed rakefile reorg, swt win phobosification
Frank Benoit <benoit@tionex.de>
parents: 4
diff changeset
408 public override equals_t opEquals (Object object) {
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 if (object is this) return true;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410 if (!(cast(Cursor)object)) return false;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 Cursor cursor = cast(Cursor) object;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 return device is cursor.device && handle is cursor.handle;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
414
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
415 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
416 * Returns an integer hash code for the receiver. Any two
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 * objects that return <code>true</code> when passed to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
418 * <code>equals</code> must return the same value for this
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
419 * method.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
420 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 * @return the receiver's hash
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 * @see #equals
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
424 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425 public override hash_t toHash () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
426 return cast(hash_t)handle;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
427 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
428
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
429 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
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430 * Returns <code>true</code> if the cursor has been disposed,
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431 * and <code>false</code> otherwise.
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432 * <p>
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433 * This method gets the dispose state for the cursor.
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434 * When a cursor has been disposed, it is an error to
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435 * invoke any other method using the cursor.
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436 *
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437 * @return <code>true</code> when the cursor is disposed and <code>false</code> otherwise
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438 */
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439 override public bool isDisposed() {
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440 return handle is null;
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441 }
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442
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443 /**
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444 * Returns a string containing a concise, human-readable
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445 * description of the receiver.
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446 *
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447 * @return a string representation of the receiver
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448 */
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449 override public String toString () {
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450 if (isDisposed()) return "Cursor {*DISPOSED*}";
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451 return Format( "Cursor {{{}}", handle );
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452 }
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453
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454 /**
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455 * Invokes platform specific functionality to allocate a new cursor.
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456 * <p>
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457 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
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458 * API for <code>Cursor</code>. It is marked public only so that it
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459 * can be shared within the packages provided by SWT. It is not
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460 * available on all platforms, and should never be called from
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461 * application code.
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462 * </p>
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463 *
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464 * @param device the device on which to allocate the color
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465 * @param handle the handle for the cursor
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466 * @return a new cursor object containing the specified device and handle
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467 */
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468 public static Cursor win32_new(Device device, HCURSOR handle) {
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469 Cursor cursor = new Cursor(device);
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470 cursor.disposeChecking = false;
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471 cursor.handle = handle;
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472 return cursor;
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473 }
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474
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475 }