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annotate dynamin/gui/cursor.d @ 103:73060bc3f004

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Change license to Boost 1.0 and MPL 2.0.
author Jordan Miner <jminer7@gmail.com>
date Tue, 15 May 2012 22:06:02 -0500
parents d55b5b998412
children
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1
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2 /*
103
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3 * Copyright Jordan Miner
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4 *
103
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5 * This Source Code Form is subject to the terms of the Mozilla Public
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6 * License, v. 2.0. If a copy of the MPL was not distributed with this
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7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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8 *
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9 */
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11 module dynamin.gui.cursor;
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13 import tango.io.Stdout;
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14 import dynamin.gui_backend;
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16 ///
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17 final class Cursor {
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18 private:
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19 mixin CursorBackend;
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20 static:
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21 Cursor _none = null;
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22 Cursor _arrow = null;
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23 Cursor _waitArrow = null;
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24 Cursor _wait = null;
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25 Cursor _text = null;
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26 Cursor _hand = null;
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27 Cursor _move = null;
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28 Cursor _resizeHoriz = null;
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29 Cursor _resizeVert = null;
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30 Cursor _resizeBackslash = null;
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31 Cursor _resizeSlash = null;
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32 Cursor _drag = null;
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33 Cursor _invalidDrag = null;
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34 Cursor _reversedArrow = null;
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35 Cursor _crosshair = null;
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36 // handles caching for backends
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37 Cursor maybeLoad(Cursor function() loadCursor, ref Cursor cache) {
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38 if(cache is null)
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39 cache = loadCursor();
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40 return cache;
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41 }
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42 public:
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43 /**
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44 * Gets a blank cursor used for an activity, such as typing, with which
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45 * the cursor may interfere.
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46 */
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47 Cursor None() {
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48 return maybeLoad(&backend_None, _none);
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49 }
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50 /**
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51 * Gets the cursor used normally.
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52 *
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53 * The appearance with Windows XP:
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54 *
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55 * $(IMAGE ../web/example_arrow_cursor.png)
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56 */
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57 Cursor Arrow() {
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58 return maybeLoad(&backend_Arrow, _arrow);
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59 }
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60 /**
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61 * Gets the cursor used when the computer is accomplishing some
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62 * task that does not prevent the user from continuing work.
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63 *
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64 * The appearance with Windows XP:
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65 *
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66 * $(IMAGE ../web/example_wait_arrow_cursor.png)
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67 */
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68 Cursor WaitArrow() {
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69 return maybeLoad(&backend_WaitArrow, _waitArrow);
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70 }
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71 /**
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72 * Gets the cursor used when the computer is accomplishing some
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73 * task that prevents the user from continuing work.
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74 *
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75 * The appearance with Windows XP:
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76 *
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77 * $(IMAGE ../web/example_wait_cursor.png)
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78 */
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79 Cursor Wait() {
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80 return maybeLoad(&backend_Wait, _wait);
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81 }
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82 /**
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83 * Gets the cursor used when the mouse is over selectable text.
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84 * In text that supports dragging, this should not be used when the
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85 * mouse is over already selected text, as the text is not then
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86 * selectable, but draggable.
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87 *
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88 * The appearance with Windows XP:
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89 *
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90 * $(IMAGE ../web/example_text_cursor.png)
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91 */
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92 Cursor Text() {
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93 return maybeLoad(&backend_Text, _text);
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94 }
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95 /**
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96 * Gets the cursor used when the mouse is over a link.
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97 *
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98 * The appearance with Windows XP:
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99 *
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100 * $(IMAGE ../web/example_hand_cursor.png)
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101 */
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102 Cursor Hand() {
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103 return maybeLoad(&backend_Hand, _hand);
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104 }
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105 /**
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106 * Gets the cursor used when moving something.
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107 *
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108 * The appearance with Windows XP:
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109 *
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110 * $(IMAGE ../web/example_move_cursor.png)
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111 */
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112 Cursor Move() {
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113 return maybeLoad(&backend_Move, _move);
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114 }
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115 /**
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116 * Gets the cursor used when resizing the left or right
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117 * sides of something.
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118 *
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119 * The appearance with Windows XP:
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120 *
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121 * $(IMAGE ../web/example_resize_horiz_cursor.png)
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122 */
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123 Cursor ResizeHoriz() {
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124 return maybeLoad(&backend_ResizeHoriz, _resizeHoriz);
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125 }
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126 /**
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127 * Gets the cursor used when resizing the top or bottom
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128 * sides of something.
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129 *
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130 * The appearance with Windows XP:
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131 *
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132 * $(IMAGE ../web/example_resize_vert_cursor.png)
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133 */
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134 Cursor ResizeVert() {
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135 return maybeLoad(&backend_ResizeVert, _resizeVert);
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136 }
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137 /**
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138 * Gets the cursor used when resizing the top-left or bottom-right
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139 * corners of something.
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140 *
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141 * The appearance with Windows XP:
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142 *
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143 * $(IMAGE ../web/example_resize_backslash_cursor.png)
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144 */
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145 Cursor ResizeBackslash() {
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146 return maybeLoad(&backend_ResizeBackslash, _resizeBackslash);
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147 }
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148 /**
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149 * Gets the cursor used when resizing the bottom-left or top-right
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150 * corners of something.
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151 *
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152 * The appearance with Windows XP:
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153 *
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154 * $(IMAGE ../web/example_resize_slash_cursor.png)
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155 */
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156 Cursor ResizeSlash() {
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157 return maybeLoad(&backend_ResizeSlash, _resizeSlash);
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158 }
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159 /**
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160 * Gets the cursor used when the mouse is over something that
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161 * will accept what has been dragged.
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162 *
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163 * The appearance with Windows XP:
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164 *
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165 * $(IMAGE ../web/example_drag_cursor.png)
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166 */
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167 Cursor Drag() {
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168 return maybeLoad(&backend_Drag, _drag);
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169 }
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170 /**
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171 * Gets the cursor used when the mouse is over something that
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172 * will not accept what has been dragged.
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173 *
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174 * The appearance with Windows XP:
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175 *
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176 * $(IMAGE ../web/example_invalid_drag_cursor.png)
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177 */
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178 Cursor InvalidDrag() {
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179 return maybeLoad(&backend_InvalidDrag, _invalidDrag);
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180 }
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181 /**
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182 * Gets the cursor used when the mouse is over a gutter that
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183 * will select a line of text when clicked.
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184 *
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185 * The appearance with Windows XP:
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186 *
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187 * $(IMAGE ../web/example_reversed_arrow_cursor.png)
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188 */
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189 Cursor ReversedArrow() {
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190 return maybeLoad(&backend_ReversedArrow, _reversedArrow);
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191 }
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192 /**
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193 * Gets the cursor that is sometimes used for selecting.
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194 *
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195 * The appearance with Windows XP:
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196 *
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197 * $(IMAGE ../web/example_crosshair_cursor.png)
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198 */
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199 Cursor Crosshair() {
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200 return maybeLoad(&backend_Crosshair, _crosshair);
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201 }
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202 }
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203