Mercurial > projects > dwt-mac
annotate dwt/widgets/ProgressBar.d @ 156:969e7de37c3d default tip
Fixes to get dwt to work with dmd and ldc
author | Jacob Carlborg <doob@me.com> |
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date | Wed, 08 Jul 2009 21:56:44 +0200 |
parents | 63a09873578e |
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rev | line source |
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45 | 1 /******************************************************************************* |
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 |
73 | 10 * |
11 * Port to the D programming language: | |
12 * Jacob Carlborg <doob@me.com> | |
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13 *******************************************************************************/ |
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14 module dwt.widgets.ProgressBar; |
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15 |
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16 import dwt.dwthelper.utils; |
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17 |
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18 |
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19 import dwt.DWT; |
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20 import dwt.DWTException; |
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21 import dwt.graphics.Point; |
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22 import dwt.internal.cocoa.NSProgressIndicator; |
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23 import dwt.internal.cocoa.NSRect; |
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24 import dwt.internal.cocoa.SWTProgressIndicator; |
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25 |
73 | 26 import dwt.widgets.Composite; |
27 import dwt.widgets.Control; | |
28 | |
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29 /** |
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30 * Instances of the receiver represent an unselectable |
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31 * user interface object that is used to display progress, |
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32 * typically in the form of a bar. |
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33 * <dl> |
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34 * <dt><b>Styles:</b></dt> |
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35 * <dd>SMOOTH, HORIZONTAL, VERTICAL, INDETERMINATE</dd> |
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36 * <dt><b>Events:</b></dt> |
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37 * <dd>(none)</dd> |
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38 * </dl> |
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39 * <p> |
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40 * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. |
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41 * </p><p> |
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42 * IMPORTANT: This class is intended to be subclassed <em>only</em> |
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43 * within the DWT implementation. |
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44 * </p> |
45 | 45 * |
46 * @see <a href="http://www.eclipse.org/swt/snippets/#progressbar">ProgressBar snippets</a> | |
47 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a> | |
48 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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49 */ |
3 | 50 public class ProgressBar : Control { |
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51 |
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52 /** |
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53 * Constructs a new instance of this class given its parent |
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54 * and a style value describing its behavior and appearance. |
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55 * <p> |
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56 * The style value is either one of the style constants defined in |
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57 * class <code>DWT</code> which is applicable to instances of this |
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58 * class, or must be built by <em>bitwise OR</em>'ing together |
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59 * (that is, using the <code>int</code> "|" operator) two or more |
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60 * of those <code>DWT</code> style constants. The class description |
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61 * lists the style constants that are applicable to the class. |
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62 * Style bits are also inherited from superclasses. |
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63 * </p> |
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64 * |
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65 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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66 * @param style the style of control to construct |
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67 * |
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68 * @exception IllegalArgumentException <ul> |
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69 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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70 * </ul> |
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71 * @exception DWTException <ul> |
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72 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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73 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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74 * </ul> |
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75 * |
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76 * @see DWT#SMOOTH |
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77 * @see DWT#HORIZONTAL |
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78 * @see DWT#VERTICAL |
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79 * @see Widget#checkSubclass |
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80 * @see Widget#getStyle |
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81 */ |
5 | 82 public this (Composite parent, int style) { |
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83 super (parent, checkStyle (style)); |
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84 } |
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85 |
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86 static int checkStyle (int style) { |
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87 style |= DWT.NO_FOCUS; |
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88 return checkBits (style, DWT.HORIZONTAL, DWT.VERTICAL, 0, 0, 0, 0); |
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89 } |
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90 |
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91 public Point computeSize (int wHint, int hHint, bool changed) { |
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92 checkWidget(); |
7 | 93 NSProgressIndicator widget = cast(NSProgressIndicator)view; |
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94 NSRect oldRect = widget.frame(); |
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95 widget.sizeToFit(); |
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96 NSRect newRect = widget.frame(); |
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97 widget.setFrame (oldRect); |
7 | 98 int size = cast(int)newRect.height; |
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99 int width = 0, height = 0; |
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100 if ((style & DWT.HORIZONTAL) !is 0) { |
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101 height = size; |
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102 width = height * 10; |
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103 } else { |
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104 width = size; |
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105 height = width * 10; |
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106 } |
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107 if (wHint !is DWT.DEFAULT) width = wHint; |
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108 if (hHint !is DWT.DEFAULT) height = hHint; |
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109 return new Point (width, height); |
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110 } |
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111 |
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112 void createHandle () { |
73 | 113 NSProgressIndicator widget = cast(NSProgressIndicator)(new SWTProgressIndicator()).alloc(); |
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114 widget.initWithFrame(NSRect()); |
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115 widget.setUsesThreadedAnimation(false); |
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116 widget.setIndeterminate((style & DWT.INDETERMINATE) !is 0); |
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117 if ((style & DWT.INDETERMINATE) !is 0) widget.startAnimation(null); |
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118 view = widget; |
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119 } |
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120 |
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121 /** |
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122 * Returns the maximum value which the receiver will allow. |
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123 * |
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124 * @return the maximum |
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125 * |
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126 * @exception DWTException <ul> |
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127 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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128 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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129 * </ul> |
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130 */ |
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131 public int getMaximum () { |
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132 checkWidget(); |
7 | 133 return cast(int)(cast(NSProgressIndicator)view).maxValue(); |
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134 } |
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135 |
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136 /** |
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137 * Returns the minimum value which the receiver will allow. |
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138 * |
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139 * @return the minimum |
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140 * |
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141 * @exception DWTException <ul> |
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142 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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143 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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144 * </ul> |
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145 */ |
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146 public int getMinimum () { |
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147 checkWidget(); |
7 | 148 return cast(int)(cast(NSProgressIndicator)view).minValue(); |
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149 } |
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150 |
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151 /** |
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152 * Returns the single 'selection' that is the receiver's position. |
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153 * |
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154 * @return the selection |
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155 * |
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156 * @exception DWTException <ul> |
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157 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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158 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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159 * </ul> |
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160 */ |
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161 public int getSelection () { |
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162 checkWidget(); |
7 | 163 return cast(int)(cast(NSProgressIndicator)view).doubleValue(); |
0
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164 } |
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165 |
45 | 166 /** |
167 * Returns the state of the receiver. The value will be one of: | |
168 * <ul> | |
169 * <li>{@link DWT#NORMAL}</li> | |
170 * <li>{@link DWT#ERROR}</li> | |
171 * <li>{@link DWT#PAUSED}</li> | |
172 * </ul> | |
173 * | |
174 * @return the state | |
175 * | |
176 * @exception DWTException <ul> | |
177 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
178 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
179 * </ul> | |
180 * | |
181 * @since 3.4 | |
182 */ | |
0
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183 public int getState () { |
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184 checkWidget (); |
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185 return DWT.NORMAL; |
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186 } |
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187 |
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188 /** |
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189 * Sets the maximum value that the receiver will allow. This new |
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190 * value will be ignored if it is not greater than the receiver's current |
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191 * minimum value. If the new maximum is applied then the receiver's |
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192 * selection value will be adjusted if necessary to fall within its new range. |
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193 * |
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194 * @param value the new maximum, which must be greater than the current minimum |
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195 * |
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196 * @exception DWTException <ul> |
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197 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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198 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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199 * </ul> |
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200 */ |
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201 public void setMaximum (int value) { |
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202 checkWidget(); |
73 | 203 int minimum = cast(int)(cast(NSProgressIndicator)view).minValue(); |
45 | 204 if (value <= minimum) return; |
73 | 205 int selection = cast(int)(cast(NSProgressIndicator)view).doubleValue(); |
45 | 206 int newSelection = Math.min (selection, value); |
207 if (selection !is newSelection) { | |
73 | 208 (cast(NSProgressIndicator)view).setDoubleValue(newSelection); |
45 | 209 } |
0
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210 } |
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211 |
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212 /** |
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213 * Sets the minimum value that the receiver will allow. This new |
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214 * value will be ignored if it is negative or is not less than the receiver's |
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215 * current maximum value. If the new minimum is applied then the receiver's |
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216 * selection value will be adjusted if necessary to fall within its new range. |
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217 * |
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218 * @param value the new minimum, which must be nonnegative and less than the current maximum |
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219 * |
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220 * @exception DWTException <ul> |
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221 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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222 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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223 * </ul> |
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224 */ |
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225 public void setMinimum (int value) { |
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226 checkWidget(); |
73 | 227 int maximum = cast(int)(cast(NSProgressIndicator)view).maxValue(); |
45 | 228 if (!(0 <= value && value < maximum)) return; |
73 | 229 int selection = cast(int)(cast(NSProgressIndicator)view).doubleValue(); |
45 | 230 int newSelection = Math.max (selection, value); |
231 if (selection !is newSelection) { | |
73 | 232 (cast(NSProgressIndicator)view).setDoubleValue(newSelection); |
45 | 233 } |
0
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234 } |
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235 |
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236 /** |
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237 * Sets the single 'selection' that is the receiver's |
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238 * position to the argument which must be greater than or equal |
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239 * to zero. |
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240 * |
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241 * @param value the new selection (must be zero or greater) |
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242 * |
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243 * @exception DWTException <ul> |
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244 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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245 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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246 * </ul> |
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247 */ |
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248 public void setSelection (int value) { |
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249 checkWidget(); |
123 | 250 (cast(NSProgressIndicator)view).setDoubleValue(value); |
0
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251 } |
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252 |
45 | 253 /** |
254 * Sets the state of the receiver. The state must be one of these values: | |
255 * <ul> | |
256 * <li>{@link DWT#NORMAL}</li> | |
257 * <li>{@link DWT#ERROR}</li> | |
258 * <li>{@link DWT#PAUSED}</li> | |
259 * </ul> | |
260 * | |
261 * @param state the new state | |
262 * | |
263 * @exception DWTException <ul> | |
264 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
265 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
266 * </ul> | |
267 * | |
268 * @since 3.4 | |
269 */ | |
0
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270 public void setState (int state) { |
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271 checkWidget (); |
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272 //NOT IMPLEMENTED |
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273 } |
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274 } |