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annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/graphics/Cursor.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 /*******************************************************************************
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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 tango.text.convert.Format;
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28 import java.lang.all;
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29
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30 /**
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31 * Instances of this class manage operating system resources that
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32 * specify the appearance of the on-screen pointer. To create a
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33 * cursor you specify the device and either a simple cursor style
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34 * describing one of the standard operating system provided cursors
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35 * or the image and mask data for the desired appearance.
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36 * <p>
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37 * Application code must explicitly invoke the <code>Cursor.dispose()</code>
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38 * method to release the operating system resources managed by each instance
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39 * when those instances are no longer required.
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40 * </p>
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41 * <dl>
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42 * <dt><b>Styles:</b></dt>
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43 * <dd>
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44 * CURSOR_ARROW, CURSOR_WAIT, CURSOR_CROSS, CURSOR_APPSTARTING, CURSOR_HELP,
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45 * CURSOR_SIZEALL, CURSOR_SIZENESW, CURSOR_SIZENS, CURSOR_SIZENWSE, CURSOR_SIZEWE,
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46 * CURSOR_SIZEN, CURSOR_SIZES, CURSOR_SIZEE, CURSOR_SIZEW, CURSOR_SIZENE, CURSOR_SIZESE,
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47 * CURSOR_SIZESW, CURSOR_SIZENW, CURSOR_UPARROW, CURSOR_IBEAM, CURSOR_NO, CURSOR_HAND
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48 * </dd>
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49 * </dl>
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50 * <p>
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51 * Note: Only one of the above styles may be specified.
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52 * </p>
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53 *
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54 * @see <a href="http://www.eclipse.org/swt/snippets/#cursor">Cursor snippets</a>
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55 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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56 */
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57
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58 public final class Cursor : Resource {
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59
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60 alias Resource.init_ init_;
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61
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62 /**
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63 * the handle to the OS cursor resource
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64 * (Warning: This field is platform dependent)
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65 * <p>
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66 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
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67 * public API. It is marked public only so that it can be shared
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68 * within the packages provided by SWT. It is not available on all
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69 * platforms and should never be accessed from application code.
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70 * </p>
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71 */
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72 public HCURSOR handle;
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73
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74 bool isIcon;
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75
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76 /**
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77 * data used to create a HAND cursor.
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78 */
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79 static const byte[] HAND_SOURCE = [
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80 cast(byte)0xf9,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)0xff,cast(byte)0xff,cast(byte)0xff,
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84 cast(byte)0xf0,cast(byte)0x3f,cast(byte)0xff,cast(byte)0xff,
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85 cast(byte)0xf0,cast(byte)0x07,cast(byte)0xff,cast(byte)0xff,
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86 cast(byte)0xf0,cast(byte)0x03,cast(byte)0xff,cast(byte)0xff,
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87 cast(byte)0xf0,cast(byte)0x00,cast(byte)0xff,cast(byte)0xff,
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88
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89 cast(byte)0x10,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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90 cast(byte)0x00,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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91 cast(byte)0x80,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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92 cast(byte)0xc0,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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93 cast(byte)0xe0,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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94 cast(byte)0xf0,cast(byte)0x00,cast(byte)0x7f,cast(byte)0xff,
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95 cast(byte)0xf8,cast(byte)0x00,cast(byte)0xff,cast(byte)0xff,
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96 cast(byte)0xfc,cast(byte)0x01,cast(byte)0xff,cast(byte)0xff,
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97
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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 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,
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106
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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 cast(byte)0xff,cast(byte)0xff,cast(byte)0xff,cast(byte)0xff
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115 ];
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116 static const byte[] HAND_MASK = [
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117 cast(byte)0x00,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)0x00,cast(byte)0x00,cast(byte)0x00,
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122 cast(byte)0x06,cast(byte)0xc0,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 cast(byte)0x06,cast(byte)0xd8,cast(byte)0x00,cast(byte)0x00,
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125
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126 cast(byte)0x07,cast(byte)0xdb,cast(byte)0x00,cast(byte)0x00,
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127 cast(byte)0x67,cast(byte)0xfb,cast(byte)0x00,cast(byte)0x00,
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128 cast(byte)0x3f,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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129 cast(byte)0x1f,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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130 cast(byte)0x0f,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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131 cast(byte)0x07,cast(byte)0xff,cast(byte)0x00,cast(byte)0x00,
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132 cast(byte)0x03,cast(byte)0xfe,cast(byte)0x00,cast(byte)0x00,
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133 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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134
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parents:
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135 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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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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parents:
diff changeset
141 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
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142 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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parents:
diff changeset
143
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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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diff changeset
148 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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diff changeset
149 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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150 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,
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diff changeset
151 cast(byte)0x00,cast(byte)0x00,cast(byte)0x00,cast(byte)0x00
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152 ];
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153
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154 /**
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155 * Prevents uninitialized instances from being created outside the package.
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156 */
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157 this(Device device) {
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diff changeset
158 super(device);
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159 }
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160
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161 /**
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162 * Constructs a new cursor given a device and a style
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163 * constant describing the desired cursor appearance.
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164 * <p>
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165 * You must dispose the cursor when it is no longer required.
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166 * </p>
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167 *
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168 * @param device the device on which to allocate the cursor
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169 * @param style the style of cursor to allocate
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170 *
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171 * @exception IllegalArgumentException <ul>
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172 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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173 * <li>ERROR_INVALID_ARGUMENT - when an unknown style is specified</li>
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174 * </ul>
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175 * @exception SWTError <ul>
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176 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li>
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177 * </ul>
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178 *
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179 * @see SWT#CURSOR_ARROW
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180 * @see SWT#CURSOR_WAIT
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181 * @see SWT#CURSOR_CROSS
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182 * @see SWT#CURSOR_APPSTARTING
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183 * @see SWT#CURSOR_HELP
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184 * @see SWT#CURSOR_SIZEALL
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185 * @see SWT#CURSOR_SIZENESW
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186 * @see SWT#CURSOR_SIZENS
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187 * @see SWT#CURSOR_SIZENWSE
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188 * @see SWT#CURSOR_SIZEWE
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189 * @see SWT#CURSOR_SIZEN
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190 * @see SWT#CURSOR_SIZES
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191 * @see SWT#CURSOR_SIZEE
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192 * @see SWT#CURSOR_SIZEW
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193 * @see SWT#CURSOR_SIZENE
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194 * @see SWT#CURSOR_SIZESE
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195 * @see SWT#CURSOR_SIZESW
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196 * @see SWT#CURSOR_SIZENW
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197 * @see SWT#CURSOR_UPARROW
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198 * @see SWT#CURSOR_IBEAM
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199 * @see SWT#CURSOR_NO
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200 * @see SWT#CURSOR_HAND
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201 */
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202 public this(Device device, int style) {
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203 super(device);
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204 int /*long*/ lpCursorName = 0;
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205 switch (style) {
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206 case SWT.CURSOR_HAND: lpCursorName = OS.IDC_HAND; break;
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207 case SWT.CURSOR_ARROW: lpCursorName = OS.IDC_ARROW; break;
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208 case SWT.CURSOR_WAIT: lpCursorName = OS.IDC_WAIT; break;
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diff changeset
209 case SWT.CURSOR_CROSS: lpCursorName = OS.IDC_CROSS; break;
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diff changeset
210 case SWT.CURSOR_APPSTARTING: lpCursorName = OS.IDC_APPSTARTING; break;
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diff changeset
211 case SWT.CURSOR_HELP: lpCursorName = OS.IDC_HELP; break;
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diff changeset
212 case SWT.CURSOR_SIZEALL: lpCursorName = OS.IDC_SIZEALL; break;
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diff changeset
213 case SWT.CURSOR_SIZENESW: lpCursorName = OS.IDC_SIZENESW; break;
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parents:
diff changeset
214 case SWT.CURSOR_SIZENS: lpCursorName = OS.IDC_SIZENS; break;
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parents:
diff changeset
215 case SWT.CURSOR_SIZENWSE: lpCursorName = OS.IDC_SIZENWSE; break;
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parents:
diff changeset
216 case SWT.CURSOR_SIZEWE: lpCursorName = OS.IDC_SIZEWE; break;
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parents:
diff changeset
217 case SWT.CURSOR_SIZEN: lpCursorName = OS.IDC_SIZENS; break;
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parents:
diff changeset
218 case SWT.CURSOR_SIZES: lpCursorName = OS.IDC_SIZENS; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 case SWT.CURSOR_SIZEE: lpCursorName = OS.IDC_SIZEWE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
220 case SWT.CURSOR_SIZEW: lpCursorName = OS.IDC_SIZEWE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 case SWT.CURSOR_SIZENE: lpCursorName = OS.IDC_SIZENESW; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 case SWT.CURSOR_SIZESE: lpCursorName = OS.IDC_SIZENWSE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 case SWT.CURSOR_SIZESW: lpCursorName = OS.IDC_SIZENESW; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 case SWT.CURSOR_SIZENW: lpCursorName = OS.IDC_SIZENWSE; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 case SWT.CURSOR_UPARROW: lpCursorName = OS.IDC_UPARROW; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 case SWT.CURSOR_IBEAM: lpCursorName = OS.IDC_IBEAM; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 case SWT.CURSOR_NO: lpCursorName = OS.IDC_NO; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 default:
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diff changeset
229 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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230 }
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diff changeset
231 handle = OS.LoadCursor(null, cast(wchar*)lpCursorName);
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parents:
diff changeset
232 /*
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diff changeset
233 * IDC_HAND is supported only on Windows 2000 and Windows 98.
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parents:
diff changeset
234 * Create a hand cursor if running in other Windows platforms.
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parents:
diff changeset
235 */
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parents:
diff changeset
236 if (handle is null && style is SWT.CURSOR_HAND) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 int width = OS.GetSystemMetrics(OS.SM_CXCURSOR);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 int height = OS.GetSystemMetrics(OS.SM_CYCURSOR);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239 if (width is 32 && height is 32) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 auto hInst = OS.GetModuleHandle(null);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 static if (OS.IsWinCE) SWT.error(SWT.ERROR_NOT_IMPLEMENTED);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242 handle = OS.CreateCursor(hInst, 5, 0, 32, 32, HAND_SOURCE.ptr, HAND_MASK.ptr);
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parents:
diff changeset
243
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diff changeset
244 }
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parents:
diff changeset
245 }
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parents:
diff changeset
246 if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
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parents:
diff changeset
247 init_();
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diff changeset
248 }
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diff changeset
249
6dd524f61e62 add dwt win and basic java stuff
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parents:
diff changeset
250 /**
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parents:
diff changeset
251 * Constructs a new cursor given a device, image and mask
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parents:
diff changeset
252 * data describing the desired cursor appearance, and the x
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parents:
diff changeset
253 * and y coordinates of the <em>hotspot</em> (that is, the point
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parents:
diff changeset
254 * within the area covered by the cursor which is considered
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parents:
diff changeset
255 * to be where the on-screen pointer is "pointing").
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parents:
diff changeset
256 * <p>
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parents:
diff changeset
257 * The mask data is allowed to be null, but in this case the source
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parents:
diff changeset
258 * must be an ImageData representing an icon that specifies both
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parents:
diff changeset
259 * color data and mask data.
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parents:
diff changeset
260 * <p>
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parents:
diff changeset
261 * You must dispose the cursor when it is no longer required.
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parents:
diff changeset
262 * </p>
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parents:
diff changeset
263 *
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parents:
diff changeset
264 * @param device the device on which to allocate the cursor
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parents:
diff changeset
265 * @param source the color data for the cursor
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parents:
diff changeset
266 * @param mask the mask data for the cursor (or null)
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parents:
diff changeset
267 * @param hotspotX the x coordinate of the cursor's hotspot
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parents:
diff changeset
268 * @param hotspotY the y coordinate of the cursor's hotspot
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parents:
diff changeset
269 *
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parents:
diff changeset
270 * @exception IllegalArgumentException <ul>
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parents:
diff changeset
271 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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parents:
diff changeset
272 * <li>ERROR_NULL_ARGUMENT - if the source is null</li>
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parents:
diff changeset
273 * <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
274 * <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
275 * size, or if the hotspot is outside the bounds of the image</li>
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276 * </ul>
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parents:
diff changeset
277 * @exception SWTError <ul>
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278 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li>
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diff changeset
279 * </ul>
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diff changeset
280 */
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parents:
diff changeset
281 public this(Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY) {
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parents:
diff changeset
282 super(device);
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diff changeset
283 if (source is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
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diff changeset
284 if (mask is null) {
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parents:
diff changeset
285 if (source.getTransparencyType() !is SWT.TRANSPARENCY_MASK) {
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diff changeset
286 SWT.error(SWT.ERROR_NULL_ARGUMENT);
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287 }
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diff changeset
288 mask = source.getTransparencyMask();
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289 }
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diff changeset
290 /* Check the bounds. Mask must be the same size as source */
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parents:
diff changeset
291 if (mask.width !is source.width || mask.height !is source.height) {
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diff changeset
292 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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293 }
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294 /* Check the hotspots */
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diff changeset
295 if (hotspotX >= source.width || hotspotX < 0 ||
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diff changeset
296 hotspotY >= source.height || hotspotY < 0) {
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diff changeset
297 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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298 }
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parents:
diff changeset
299 /* Convert depth to 1 */
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diff changeset
300 mask = ImageData.convertMask(mask);
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parents:
diff changeset
301 source = ImageData.convertMask(source);
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diff changeset
302
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303 /* Make sure source and mask scanline pad is 2 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 byte[] sourceData = ImageData.convertPad(source.data, source.width, source.height, source.depth, source.scanlinePad, 2);
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diff changeset
305 byte[] maskData = ImageData.convertPad(mask.data, mask.width, mask.height, mask.depth, mask.scanlinePad, 2);
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306
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parents:
diff changeset
307 /* Create the cursor */
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parents:
diff changeset
308 auto hInst = OS.GetModuleHandle(null);
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diff changeset
309 static if (OS.IsWinCE) SWT.error (SWT.ERROR_NOT_IMPLEMENTED);
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310 handle = OS.CreateCursor(hInst, hotspotX, hotspotY, source.width, source.height, sourceData.ptr, maskData.ptr);
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311 if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
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312 init_();
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313 }
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314
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315 /**
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316 * Constructs a new cursor given a device, image data describing
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Frank Benoit <benoit@tionex.de>
parents:
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317 * the desired cursor appearance, and the x and y coordinates of
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diff changeset
318 * the <em>hotspot</em> (that is, the point within the area
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Frank Benoit <benoit@tionex.de>
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319 * covered by the cursor which is considered to be where the
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
320 * on-screen pointer is "pointing").
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parents:
diff changeset
321 * <p>
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parents:
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322 * You must dispose the cursor when it is no longer required.
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323 * </p>
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parents:
diff changeset
324 *
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diff changeset
325 * @param device the device on which to allocate the cursor
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parents:
diff changeset
326 * @param source the image data for the cursor
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parents:
diff changeset
327 * @param hotspotX the x coordinate of the cursor's hotspot
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parents:
diff changeset
328 * @param hotspotY the y coordinate of the cursor's hotspot
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parents:
diff changeset
329 *
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parents:
diff changeset
330 * @exception IllegalArgumentException <ul>
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parents:
diff changeset
331 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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parents:
diff changeset
332 * <li>ERROR_NULL_ARGUMENT - if the image is null</li>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
333 * <li>ERROR_INVALID_ARGUMENT - if the hotspot is outside the bounds of the
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
334 * image</li>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
335 * </ul>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
336 * @exception SWTError <ul>
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parents:
diff changeset
337 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
338 * </ul>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
339 *
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diff changeset
340 * @since 3.0
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diff changeset
341 */
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parents:
diff changeset
342 public this(Device device, ImageData source, int hotspotX, int hotspotY) {
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parents:
diff changeset
343 super(device);
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diff changeset
344 if (source is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
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diff changeset
345 /* Check the hotspots */
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parents:
diff changeset
346 if (hotspotX >= source.width || hotspotX < 0 ||
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diff changeset
347 hotspotY >= source.height || hotspotY < 0) {
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diff changeset
348 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
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parents:
diff changeset
349 }
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parents:
diff changeset
350 ImageData mask = source.getTransparencyMask();
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parents:
diff changeset
351 int[] result = Image.init_(this.device, null, source, mask);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
352 auto hBitmap = cast(HBITMAP)result[0];
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
353 auto hMask = cast(HBITMAP)result[1];
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parents:
diff changeset
354 /* Create the icon */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
355 ICONINFO info;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 info.fIcon = false;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
357 info.hbmColor = hBitmap;
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parents:
diff changeset
358 info.hbmMask = hMask;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
359 info.xHotspot = hotspotX;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360 info.yHotspot = hotspotY;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
361 handle = OS.CreateIconIndirect(&info);
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parents:
diff changeset
362 if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
363 OS.DeleteObject(hBitmap);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 OS.DeleteObject(hMask);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
365 isIcon = true;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
366 init_();
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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
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
369 void destroy () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
370 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
371 * It is an error in Windows to destroy the current
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
372 * cursor. Check that the cursor that is about to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 * be destroyed is the current cursor. If so, set
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
374 * the current cursor to be IDC_ARROW. Note that
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375 * Windows shares predefined cursors so the call to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
376 * LoadCursor() does not leak.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
378 // TEMPORARY CODE
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
379 // if (OS.GetCursor() is handle) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
380 // OS.SetCursor(OS.LoadCursor(0, OS.IDC_ARROW));
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
381 // }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 if (isIcon) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 OS.DestroyIcon(handle);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385 } else {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 * The MSDN states that one should not destroy a shared
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388 * cursor, that is, one obtained from LoadCursor.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 * However, it does not appear to do any harm, so rather
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 * 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
391 * destroy them all. If this causes problems in the future,
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 * put the flag back in.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 static if (!OS.IsWinCE) OS.DestroyCursor(handle);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 handle = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
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 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 * Compares the argument to the receiver, and returns true
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 * if they represent the <em>same</em> object using a class
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 * specific comparison.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 * @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
405 * @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
406 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407 * @see #hashCode
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
408 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 public override int opEquals (Object object) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410 if (object is this) return true;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 if (!(cast(Cursor)object)) return false;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 Cursor cursor = cast(Cursor) object;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 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
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 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 * 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
418 * 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
419 * <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
420 * method.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422 * @return the receiver's hash
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
424 * @see #equals
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
426 public override hash_t toHash () {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
427 return cast(hash_t)handle;
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>
parents:
diff changeset
430 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
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431 * Returns <code>true</code> if the cursor has been disposed,
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432 * and <code>false</code> otherwise.
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433 * <p>
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434 * This method gets the dispose state for the cursor.
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435 * When a cursor has been disposed, it is an error to
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436 * invoke any other method using the cursor.
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437 *
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438 * @return <code>true</code> when the cursor is disposed and <code>false</code> otherwise
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439 */
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440 override public bool isDisposed() {
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441 return handle is null;
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442 }
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443
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444 /**
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445 * Returns a string containing a concise, human-readable
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446 * description of the receiver.
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447 *
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448 * @return a string representation of the receiver
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449 */
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450 override public String toString () {
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451 if (isDisposed()) return "Cursor {*DISPOSED*}";
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452 return Format( "Cursor {{{}}", handle );
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453 }
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454
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455 /**
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456 * Invokes platform specific functionality to allocate a new cursor.
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457 * <p>
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458 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
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459 * API for <code>Cursor</code>. It is marked public only so that it
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460 * can be shared within the packages provided by SWT. It is not
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461 * available on all platforms, and should never be called from
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462 * application code.
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463 * </p>
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464 *
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465 * @param device the device on which to allocate the color
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466 * @param handle the handle for the cursor
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467 * @return a new cursor object containing the specified device and handle
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468 */
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469 public static Cursor win32_new(Device device, HCURSOR handle) {
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470 Cursor cursor = new Cursor(device);
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471 cursor.disposeChecking = false;
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472 cursor.handle = handle;
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473 return cursor;
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474 }
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475
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476 }