Mercurial > projects > dwt-mac
annotate dwt/widgets/ProgressBar.d @ 3:649b8e223d5a
fix extends
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 27 Aug 2008 13:48:25 +0200 |
parents | 380af2bdd8e5 |
children | 1a8b3cb347e0 |
rev | line source |
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0
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2007 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 *******************************************************************************/ |
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11 module dwt.widgets.ProgressBar; |
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12 |
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13 import dwt.dwthelper.utils; |
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14 |
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15 |
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16 import dwt.DWT; |
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17 import dwt.DWTException; |
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18 import dwt.graphics.Point; |
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19 import dwt.internal.cocoa.NSProgressIndicator; |
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20 import dwt.internal.cocoa.NSRect; |
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21 import dwt.internal.cocoa.SWTProgressIndicator; |
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22 |
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23 /** |
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24 * Instances of the receiver represent an unselectable |
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25 * user interface object that is used to display progress, |
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26 * typically in the form of a bar. |
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27 * <dl> |
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28 * <dt><b>Styles:</b></dt> |
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29 * <dd>SMOOTH, HORIZONTAL, VERTICAL, INDETERMINATE</dd> |
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30 * <dt><b>Events:</b></dt> |
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31 * <dd>(none)</dd> |
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32 * </dl> |
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33 * <p> |
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34 * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. |
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35 * </p><p> |
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36 * IMPORTANT: This class is intended to be subclassed <em>only</em> |
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37 * within the DWT implementation. |
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38 * </p> |
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39 */ |
3 | 40 public class ProgressBar : Control { |
0
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41 |
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42 /** |
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43 * Constructs a new instance of this class given its parent |
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44 * and a style value describing its behavior and appearance. |
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45 * <p> |
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46 * The style value is either one of the style constants defined in |
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47 * class <code>DWT</code> which is applicable to instances of this |
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48 * class, or must be built by <em>bitwise OR</em>'ing together |
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49 * (that is, using the <code>int</code> "|" operator) two or more |
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50 * of those <code>DWT</code> style constants. The class description |
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51 * lists the style constants that are applicable to the class. |
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52 * Style bits are also inherited from superclasses. |
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53 * </p> |
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54 * |
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55 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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56 * @param style the style of control to construct |
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57 * |
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58 * @exception IllegalArgumentException <ul> |
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59 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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60 * </ul> |
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61 * @exception DWTException <ul> |
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62 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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63 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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64 * </ul> |
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65 * |
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66 * @see DWT#SMOOTH |
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67 * @see DWT#HORIZONTAL |
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68 * @see DWT#VERTICAL |
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69 * @see Widget#checkSubclass |
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70 * @see Widget#getStyle |
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71 */ |
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72 public ProgressBar (Composite parent, int style) { |
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73 super (parent, checkStyle (style)); |
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74 } |
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75 |
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76 static int checkStyle (int style) { |
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77 style |= DWT.NO_FOCUS; |
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78 return checkBits (style, DWT.HORIZONTAL, DWT.VERTICAL, 0, 0, 0, 0); |
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79 } |
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80 |
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81 public Point computeSize (int wHint, int hHint, bool changed) { |
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82 checkWidget(); |
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83 NSProgressIndicator widget = (NSProgressIndicator)view; |
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84 NSRect oldRect = widget.frame(); |
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85 widget.sizeToFit(); |
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86 NSRect newRect = widget.frame(); |
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87 widget.setFrame (oldRect); |
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88 int size = (int)newRect.height; |
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89 int width = 0, height = 0; |
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90 if ((style & DWT.HORIZONTAL) !is 0) { |
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91 height = size; |
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92 width = height * 10; |
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93 } else { |
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94 width = size; |
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95 height = width * 10; |
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96 } |
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97 if (wHint !is DWT.DEFAULT) width = wHint; |
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98 if (hHint !is DWT.DEFAULT) height = hHint; |
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99 return new Point (width, height); |
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100 } |
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101 |
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102 void createHandle () { |
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103 SWTProgressIndicator widget = (SWTProgressIndicator)new SWTProgressIndicator().alloc(); |
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104 widget.initWithFrame(new NSRect()); |
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105 widget.setUsesThreadedAnimation(false); |
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106 widget.setIndeterminate((style & DWT.INDETERMINATE) !is 0); |
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107 if ((style & DWT.INDETERMINATE) !is 0) widget.startAnimation(null); |
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108 widget.setTag(jniRef); |
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109 view = widget; |
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110 parent.contentView().addSubview_(widget); |
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111 } |
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112 |
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113 /** |
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114 * Returns the maximum value which the receiver will allow. |
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115 * |
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116 * @return the maximum |
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117 * |
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118 * @exception DWTException <ul> |
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119 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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120 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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121 * </ul> |
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122 */ |
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123 public int getMaximum () { |
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124 checkWidget(); |
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125 return (int)((NSProgressIndicator)view).maxValue(); |
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126 } |
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127 |
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128 /** |
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129 * Returns the minimum value which the receiver will allow. |
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130 * |
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131 * @return the minimum |
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132 * |
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133 * @exception DWTException <ul> |
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134 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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135 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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136 * </ul> |
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137 */ |
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138 public int getMinimum () { |
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139 checkWidget(); |
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140 return (int)((NSProgressIndicator)view).minValue(); |
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141 } |
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142 |
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143 /** |
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144 * Returns the single 'selection' that is the receiver's position. |
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145 * |
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146 * @return the selection |
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147 * |
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148 * @exception DWTException <ul> |
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149 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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150 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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151 * </ul> |
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152 */ |
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153 public int getSelection () { |
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154 checkWidget(); |
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155 return (int)((NSProgressIndicator)view).doubleValue(); |
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156 } |
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157 |
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158 public int getState () { |
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159 checkWidget (); |
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160 return DWT.NORMAL; |
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161 } |
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162 |
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163 /** |
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164 * Sets the maximum value that the receiver will allow. This new |
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165 * value will be ignored if it is not greater than the receiver's current |
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166 * minimum value. If the new maximum is applied then the receiver's |
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167 * selection value will be adjusted if necessary to fall within its new range. |
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168 * |
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169 * @param value the new maximum, which must be greater than the current minimum |
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170 * |
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171 * @exception DWTException <ul> |
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172 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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173 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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174 * </ul> |
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175 */ |
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176 public void setMaximum (int value) { |
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177 checkWidget(); |
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178 if (value < 0) return; |
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179 ((NSProgressIndicator)view).setMaxValue(value); |
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180 } |
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181 |
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182 /** |
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183 * Sets the minimum value that the receiver will allow. This new |
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184 * value will be ignored if it is negative or is not less than the receiver's |
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185 * current maximum value. If the new minimum is applied then the receiver's |
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186 * selection value will be adjusted if necessary to fall within its new range. |
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187 * |
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188 * @param value the new minimum, which must be nonnegative and less than the current maximum |
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189 * |
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190 * @exception DWTException <ul> |
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191 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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192 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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193 * </ul> |
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194 */ |
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195 public void setMinimum (int value) { |
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196 checkWidget(); |
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197 if (value < 0) return; |
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198 ((NSProgressIndicator)view).setMinValue(value); |
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199 } |
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200 |
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201 /** |
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202 * Sets the single 'selection' that is the receiver's |
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203 * position to the argument which must be greater than or equal |
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204 * to zero. |
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205 * |
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206 * @param value the new selection (must be zero or greater) |
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207 * |
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208 * @exception DWTException <ul> |
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209 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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210 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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211 * </ul> |
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212 */ |
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213 public void setSelection (int value) { |
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214 checkWidget(); |
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215 ((NSProgressIndicator)view).setDoubleValue(value); |
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216 } |
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217 |
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218 public void setState (int state) { |
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219 checkWidget (); |
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220 //NOT IMPLEMENTED |
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221 } |
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222 } |