Mercurial > projects > dwt-mac
annotate dwt/widgets/Group.d @ 134:623ff6db5f1d
Updated to Tango 0.99.8
author | Jacob Carlborg <doob@me.com> |
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date | Sun, 24 May 2009 22:21:00 +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. | |
0
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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 |
69 | 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.Group; |
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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.Rectangle; |
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22 import dwt.internal.cocoa.NSBox; |
45 | 23 import dwt.internal.cocoa.NSFont; |
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24 import dwt.internal.cocoa.NSRect; |
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25 import dwt.internal.cocoa.NSSize; |
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26 import dwt.internal.cocoa.NSString; |
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27 import dwt.internal.cocoa.NSView; |
45 | 28 import dwt.internal.cocoa.OS; |
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29 import dwt.internal.cocoa.SWTBox; |
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30 import dwt.internal.cocoa.SWTView; |
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31 |
69 | 32 import dwt.widgets.Composite; |
33 | |
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34 /** |
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35 * Instances of this class provide an etched border |
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36 * with an optional title. |
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37 * <p> |
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38 * Shadow styles are hints and may not be honoured |
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39 * by the platform. To create a group with the |
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40 * default shadow style for the platform, do not |
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41 * specify a shadow style. |
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42 * <dl> |
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43 * <dt><b>Styles:</b></dt> |
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44 * <dd>SHADOW_ETCHED_IN, SHADOW_ETCHED_OUT, SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd> |
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45 * <dt><b>Events:</b></dt> |
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46 * <dd>(none)</dd> |
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47 * </dl> |
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48 * <p> |
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49 * Note: Only one of the above styles may be specified. |
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50 * </p><p> |
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51 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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52 * </p> |
45 | 53 * |
54 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a> | |
55 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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56 */ |
3 | 57 public class Group : Composite { |
69 | 58 NSView contentView_; |
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59 String text = ""; |
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60 |
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61 /** |
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62 * Constructs a new instance of this class given its parent |
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63 * and a style value describing its behavior and appearance. |
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64 * <p> |
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65 * The style value is either one of the style constants defined in |
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66 * class <code>DWT</code> which is applicable to instances of this |
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67 * class, or must be built by <em>bitwise OR</em>'ing together |
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68 * (that is, using the <code>int</code> "|" operator) two or more |
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69 * of those <code>DWT</code> style constants. The class description |
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70 * lists the style constants that are applicable to the class. |
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71 * Style bits are also inherited from superclasses. |
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72 * </p> |
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73 * |
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74 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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75 * @param style the style of control to construct |
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76 * |
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77 * @exception IllegalArgumentException <ul> |
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78 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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79 * </ul> |
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80 * @exception DWTException <ul> |
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81 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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82 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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83 * </ul> |
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84 * |
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85 * @see DWT#SHADOW_ETCHED_IN |
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86 * @see DWT#SHADOW_ETCHED_OUT |
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87 * @see DWT#SHADOW_IN |
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88 * @see DWT#SHADOW_OUT |
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89 * @see DWT#SHADOW_NONE |
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90 * @see Widget#checkSubclass |
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91 * @see Widget#getStyle |
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92 */ |
5 | 93 public this (Composite parent, int style) { |
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94 super (parent, checkStyle (style)); |
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95 } |
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96 |
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97 static int checkStyle (int style) { |
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98 style |= DWT.NO_FOCUS; |
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99 /* |
123 | 100 * Even though it is legal to create this widget |
101 * with scroll bars, they serve no useful purpose | |
102 * because they do not automatically scroll the | |
103 * widget's client area. The fix is to clear | |
104 * the DWT style. | |
105 */ | |
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106 return style & ~(DWT.H_SCROLL | DWT.V_SCROLL); |
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107 } |
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108 |
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109 protected void checkSubclass () { |
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110 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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111 } |
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112 |
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113 public Rectangle computeTrim (int x, int y, int width, int height) { |
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114 checkWidget (); |
7 | 115 NSBox widget = cast(NSBox)view; |
69 | 116 int border = cast(int)Math.ceil (widget.borderWidth ()); |
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117 NSSize margins = widget.contentViewMargins(); |
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118 NSRect frame = contentView.frame(); |
45 | 119 width += (margins.width + border) * 2; |
120 height += (margins.height + border) * 2 + frame.y; | |
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121 return super.computeTrim(x, y, width, height); |
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122 } |
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123 |
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124 NSView contentView () { |
134 | 125 return contentView_; |
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126 } |
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127 |
45 | 128 void deregister () { |
129 super.deregister (); | |
130 display.removeWidget (contentView); | |
69 | 131 SWTBox box = cast(SWTBox)view; |
45 | 132 display.removeWidget (box.titleCell()); |
133 } | |
134 | |
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135 void createHandle () { |
45 | 136 NSBox widget = cast(NSBox)(new SWTBox()).alloc(); |
46
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137 widget.initWithFrame(NSRect()); |
45 | 138 widget.setTitlePosition(OS.NSNoTitle); |
69 | 139 NSView contentWidget = cast(NSView)(new SWTView()).alloc(); |
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140 contentWidget.initWithFrame(NSRect()); |
123 | 141 // contentWidget.setDrawsBackground(false); |
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142 widget.setContentView(contentWidget); |
69 | 143 contentView_ = contentWidget; |
45 | 144 view = widget; |
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145 } |
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146 |
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147 public Rectangle getClientArea () { |
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148 checkWidget(); |
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149 NSRect rect = contentView.bounds(); |
7 | 150 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)rect.width, cast(int)rect.height); |
0
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151 } |
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152 |
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153 String getNameText () { |
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154 return getText (); |
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155 } |
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156 |
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157 /** |
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158 * Returns the receiver's text, which is the string that the |
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159 * is used as the <em>title</em>. If the text has not previously |
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160 * been set, returns an empty string. |
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161 * |
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162 * @return the text |
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163 * |
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164 * @exception DWTException <ul> |
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165 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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166 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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167 * </ul> |
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168 */ |
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169 public String getText () { |
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170 checkWidget (); |
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171 return text; |
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172 } |
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173 |
45 | 174 float getThemeAlpha () { |
175 return 0.25f * parent.getThemeAlpha (); | |
176 } | |
177 | |
178 void register () { | |
179 super.register (); | |
180 display.addWidget (contentView, this); | |
69 | 181 SWTBox box = cast(SWTBox)view; |
45 | 182 display.addWidget (box.titleCell(), this); |
183 } | |
184 | |
0
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185 void releaseHandle () { |
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186 super.releaseHandle (); |
45 | 187 if (contentView !is null) contentView.release(); |
69 | 188 contentView_ = null; |
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189 } |
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190 |
45 | 191 void setFont(NSFont font) { |
69 | 192 (cast(NSBox) view).setTitleFont(font); |
45 | 193 } |
194 | |
0
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195 /** |
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196 * Sets the receiver's text, which is the string that will |
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197 * be displayed as the receiver's <em>title</em>, to the argument, |
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198 * which may not be null. The string may include the mnemonic character. |
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199 * </p> |
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200 * Mnemonics are indicated by an '&' that causes the next |
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201 * character to be the mnemonic. When the user presses a |
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202 * key sequence that matches the mnemonic, focus is assigned |
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203 * to the first child of the group. On most platforms, the |
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204 * mnemonic appears underlined but may be emphasised in a |
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205 * platform specific manner. The mnemonic indicator character |
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206 * '&' can be escaped by doubling it in the string, causing |
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207 * a single '&' to be displayed. |
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208 * </p> |
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209 * @param string the new text |
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210 * |
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211 * @exception IllegalArgumentException <ul> |
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212 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
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213 * </ul> |
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214 * @exception DWTException <ul> |
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215 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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216 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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217 * </ul> |
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218 */ |
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219 public void setText (String string) { |
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220 checkWidget(); |
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221 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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222 text = string; |
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223 char [] buffer = new char [text.length ()]; |
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224 text.getChars (0, buffer.length, buffer, 0); |
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225 int length = fixMnemonic (buffer); |
45 | 226 NSBox box = cast(NSBox)view; |
227 box.setTitlePosition(length is 0 ? OS.NSNoTitle : OS.NSAtTop); | |
69 | 228 box.setTitle(NSString.stringWithCharacters(buffer.toString16().ptr, length)); |
0
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229 } |
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230 |
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231 } |