Mercurial > projects > dwt-mac
annotate dwt/widgets/Button.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 | 1a0129cab08e |
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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 |
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10 * |
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11 * Port to the D programming language: |
45 | 12 * Jacob Carlborg <doob@me.com> |
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13 *******************************************************************************/ |
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14 module dwt.widgets.Button; |
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15 |
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16 |
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17 import dwt.DWT; |
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18 import dwt.DWTException; |
45 | 19 import dwt.accessibility.ACC; |
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20 import dwt.events.SelectionEvent; |
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21 import dwt.events.SelectionListener; |
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22 import dwt.graphics.Image; |
45 | 23 import dwt.graphics.Point; |
24 import dwt.internal.cocoa.NSAffineTransform; | |
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25 import dwt.internal.cocoa.NSAttributedString; |
45 | 26 import dwt.internal.cocoa.NSBezierPath; |
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27 import dwt.internal.cocoa.NSButton; |
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28 import dwt.internal.cocoa.NSButtonCell; |
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29 import dwt.internal.cocoa.NSColor; |
45 | 30 import dwt.internal.cocoa.NSControl; |
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31 import dwt.internal.cocoa.NSEvent; |
45 | 32 import dwt.internal.cocoa.NSFont; |
33 import dwt.internal.cocoa.NSGraphicsContext; | |
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34 import dwt.internal.cocoa.NSMutableDictionary; |
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35 import dwt.internal.cocoa.NSMutableParagraphStyle; |
45 | 36 import dwt.internal.cocoa.NSPoint; |
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37 import dwt.internal.cocoa.NSRect; |
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38 import dwt.internal.cocoa.NSString; |
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39 import dwt.internal.cocoa.OS; |
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40 import dwt.internal.cocoa.SWTButton; |
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41 import cocoa = dwt.internal.cocoa.id; |
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42 |
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43 import dwt.dwthelper.utils; |
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44 import Carbon = dwt.internal.c.Carbon; |
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45 import dwt.internal.cocoa.NSCell; |
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46 import dwt.internal.cocoa.NSText; |
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47 import dwt.internal.objc.cocoa.Cocoa; |
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48 import objc = dwt.internal.objc.runtime; |
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49 import dwt.widgets.Composite; |
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50 import dwt.widgets.Control; |
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51 import dwt.widgets.Decorations; |
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52 import dwt.widgets.TypedListener; |
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53 |
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54 /** |
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55 * Instances of this class represent a selectable user interface object that |
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56 * issues notification when pressed and released. |
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57 * <dl> |
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58 * <dt><b>Styles:</b></dt> |
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59 * <dd>ARROW, CHECK, PUSH, RADIO, TOGGLE, FLAT</dd> |
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60 * <dd>UP, DOWN, LEFT, RIGHT, CENTER</dd> |
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61 * <dt><b>Events:</b></dt> |
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62 * <dd>Selection</dd> |
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63 * </dl> |
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64 * <p> |
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65 * Note: Only one of the styles ARROW, CHECK, PUSH, RADIO, and TOGGLE |
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66 * may be specified. |
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67 * </p><p> |
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68 * Note: Only one of the styles LEFT, RIGHT, and CENTER may be specified. |
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69 * </p><p> |
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70 * Note: Only one of the styles UP, DOWN, LEFT, and RIGHT may be specified |
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71 * when the ARROW style is specified. |
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72 * </p><p> |
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73 * IMPORTANT: This class is intended to be subclassed <em>only</em> |
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74 * within the DWT implementation. |
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75 * </p> |
45 | 76 * |
77 * @see <a href="http://www.eclipse.org/swt/snippets/#button">Button snippets</a> | |
78 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a> | |
79 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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80 */ |
3 | 81 public class Button : Control { |
123 | 82 |
83 alias Control.setBackground setBackground; | |
84 alias Control.setForeground setForeground; | |
136 | 85 alias Control.computeSize computeSize; |
123 | 86 |
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87 String text = ""; |
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88 Image image; |
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89 bool grayed; |
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90 |
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91 /** |
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92 * Constructs a new instance of this class given its parent |
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93 * and a style value describing its behavior and appearance. |
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94 * <p> |
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95 * The style value is either one of the style constants defined in |
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96 * class <code>DWT</code> which is applicable to instances of this |
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97 * class, or must be built by <em>bitwise OR</em>'ing together |
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98 * (that is, using the <code>int</code> "|" operator) two or more |
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99 * of those <code>DWT</code> style constants. The class description |
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100 * lists the style constants that are applicable to the class. |
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101 * Style bits are also inherited from superclasses. |
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102 * </p> |
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103 * |
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104 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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105 * @param style the style of control to construct |
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106 * |
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107 * @exception IllegalArgumentException <ul> |
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108 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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109 * </ul> |
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110 * @exception DWTException <ul> |
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111 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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112 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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113 * </ul> |
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114 * |
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115 * @see DWT#ARROW |
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116 * @see DWT#CHECK |
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117 * @see DWT#PUSH |
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118 * @see DWT#RADIO |
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119 * @see DWT#TOGGLE |
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120 * @see DWT#FLAT |
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121 * @see DWT#LEFT |
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122 * @see DWT#RIGHT |
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123 * @see DWT#CENTER |
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124 * @see Widget#checkSubclass |
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125 * @see Widget#getStyle |
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126 */ |
5 | 127 public this (Composite parent, int style) { |
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128 super (parent, checkStyle (style)); |
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129 } |
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130 |
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131 objc.id accessibilityAttributeValue (objc.id id, objc.SEL sel, objc.id arg0) { |
45 | 132 NSString nsAttributeName = new NSString(arg0); |
133 | |
134 if (accessible !is null) { | |
46
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135 cocoa.id returnObject = accessible.internal_accessibilityAttributeValue(nsAttributeName, ACC.CHILDID_SELF); |
45 | 136 if (returnObject !is null) return returnObject.id; |
137 } | |
138 | |
139 if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute) || nsAttributeName.isEqualToString (OS.NSAccessibilityRoleDescriptionAttribute)) { | |
140 NSString role = null; | |
141 | |
142 if ((style & DWT.RADIO) !is 0) { | |
143 role = OS.NSAccessibilityRadioButtonRole; | |
144 } else if ((style & DWT.ARROW) !is 0) { | |
145 role = OS.NSAccessibilityButtonRole; | |
146 } | |
147 | |
148 if (role !is null) { | |
149 if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute)) | |
150 return role.id; | |
151 else { | |
52 | 152 objc.id roleDescription = OS.NSAccessibilityRoleDescription(role.id, null); |
45 | 153 return roleDescription; |
154 } | |
155 } | |
156 } | |
157 | |
158 return super.accessibilityAttributeValue(id, sel, arg0); | |
159 } | |
160 | |
161 | |
0
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162 /** |
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163 * Adds the listener to the collection of listeners who will |
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164 * be notified when the control is selected by the user, by sending |
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165 * it one of the messages defined in the <code>SelectionListener</code> |
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166 * interface. |
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167 * <p> |
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168 * <code>widgetSelected</code> is called when the control is selected by the user. |
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169 * <code>widgetDefaultSelected</code> is not called. |
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170 * </p> |
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171 * |
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172 * @param listener the listener which should be notified |
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173 * |
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174 * @exception IllegalArgumentException <ul> |
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175 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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176 * </ul> |
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177 * @exception DWTException <ul> |
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178 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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179 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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180 * </ul> |
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181 * |
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182 * @see SelectionListener |
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183 * @see #removeSelectionListener |
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184 * @see SelectionEvent |
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185 */ |
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186 public void addSelectionListener(SelectionListener listener) { |
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187 checkWidget(); |
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188 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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189 TypedListener typedListener = new TypedListener(listener); |
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190 addListener(DWT.Selection,typedListener); |
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191 addListener(DWT.DefaultSelection,typedListener); |
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192 } |
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193 |
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194 static int checkStyle (int style) { |
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195 style = checkBits (style, DWT.PUSH, DWT.ARROW, DWT.CHECK, DWT.RADIO, DWT.TOGGLE, 0); |
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196 if ((style & (DWT.PUSH | DWT.TOGGLE)) !is 0) { |
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197 return checkBits (style, DWT.CENTER, DWT.LEFT, DWT.RIGHT, 0, 0, 0); |
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198 } |
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199 if ((style & (DWT.CHECK | DWT.RADIO)) !is 0) { |
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200 return checkBits (style, DWT.LEFT, DWT.RIGHT, DWT.CENTER, 0, 0, 0); |
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201 } |
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202 if ((style & DWT.ARROW) !is 0) { |
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203 style |= DWT.NO_FOCUS; |
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204 return checkBits (style, DWT.UP, DWT.DOWN, DWT.LEFT, DWT.RIGHT, 0, 0); |
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205 } |
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206 return style; |
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207 } |
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208 |
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209 void click () { |
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210 postEvent (DWT.Selection); |
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211 } |
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212 |
45 | 213 public Point computeSize (int wHint, int hHint, bool changed) { |
214 checkWidget(); | |
215 if ((style & DWT.ARROW) !is 0) { | |
216 // TODO use some OS metric instead of hardcoded values | |
217 int width = wHint !is DWT.DEFAULT ? wHint : 23; | |
218 int height = hHint !is DWT.DEFAULT ? hHint : 23; | |
219 return new Point (width, height); | |
220 } | |
221 return super.computeSize(wHint, hHint, changed); | |
222 } | |
223 | |
0
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224 NSAttributedString createString() { |
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225 NSMutableDictionary dict = NSMutableDictionary.dictionaryWithCapacity(4); |
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226 if (foreground !is null) { |
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227 NSColor color = NSColor.colorWithDeviceRed(cast(Carbon.CGFloat) foreground.handle[0], cast(Carbon.CGFloat) foreground.handle[1], cast(Carbon.CGFloat) foreground.handle[2], 1); |
45 | 228 dict.setObject(color, OS.NSForegroundColorAttributeName); |
0
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229 } |
45 | 230 |
231 dict.setObject(getFont().handle, OS.NSFontAttributeName); | |
232 | |
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233 NSTextAlignment alignment; |
0
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234 if ((style & DWT.CENTER) !is 0) { |
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235 alignment = OS.NSCenterTextAlignment; |
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236 } else if ((style & DWT.LEFT) !is 0) { |
52 | 237 alignment = OS.NSLeftTextAlignment; |
0
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238 } else { |
52 | 239 alignment = OS.NSRightTextAlignment; |
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240 } |
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241 NSMutableParagraphStyle pStyle = cast(NSMutableParagraphStyle)(new NSMutableParagraphStyle()).alloc().init(); |
0
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242 pStyle.autorelease(); |
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243 pStyle.setAlignment(alignment); |
45 | 244 dict.setObject(pStyle, OS.NSParagraphStyleAttributeName); |
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245 char [] chars = new char [text.length ()]; |
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246 text.getChars (0, chars.length, chars, 0); |
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247 NSUInteger length = fixMnemonic (chars); |
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248 NSString str = NSString.stringWithCharacters(chars.toString16().ptr, length); |
45 | 249 NSAttributedString attribStr = (cast(NSAttributedString)(new NSAttributedString()).alloc()).initWithString(str, dict); |
0
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250 attribStr.autorelease(); |
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251 return attribStr; |
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252 } |
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253 |
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254 void createHandle () { |
27
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255 NSButton widget = cast(NSButton)(new SWTButton()).alloc(); |
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256 widget.initWithFrame(NSRect()); |
52 | 257 NSButtonType type = OS.NSMomentaryLightButton; |
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258 if ((style & DWT.PUSH) !is 0) { |
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259 if ((style & DWT.FLAT) !is 0) { |
45 | 260 widget.setBezelStyle(OS.NSShadowlessSquareBezelStyle); |
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261 // if ((style & DWT.BORDER) is 0) widget.setShowsBorderOnlyWhileMouseInside(true); |
45 | 262 } else { |
263 widget.setBezelStyle(OS.NSRoundedBezelStyle); | |
264 } | |
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265 } else if ((style & DWT.CHECK) !is 0) { |
52 | 266 type = OS.NSSwitchButton; |
0
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267 widget.setAllowsMixedState (true); |
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268 } else if ((style & DWT.RADIO) !is 0) { |
52 | 269 type = OS.NSRadioButton; |
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270 } else if ((style & DWT.TOGGLE) !is 0) { |
52 | 271 type = OS.NSPushOnPushOffButton; |
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272 if ((style & DWT.FLAT) !is 0) { |
45 | 273 widget.setBezelStyle(OS.NSShadowlessSquareBezelStyle); |
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274 // if ((style & DWT.BORDER) is 0) widget.setShowsBorderOnlyWhileMouseInside(true); |
45 | 275 } else { |
276 widget.setBezelStyle(OS.NSRoundedBezelStyle); | |
277 } | |
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278 } else if ((style & DWT.ARROW) !is 0) { |
52 | 279 widget.setBezelStyle(OS.NSRegularSquareBezelStyle); |
0
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280 } |
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281 widget.setButtonType(type); |
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282 widget.setTitle(NSString.stringWith("")); |
52 | 283 widget.setImagePosition(OS.NSImageLeft); |
0
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284 widget.setTarget(widget); |
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285 widget.setAction(OS.sel_sendSelection); |
45 | 286 view = widget; |
0
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287 _setAlignment(style); |
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288 } |
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289 |
45 | 290 void deregister () { |
291 super.deregister (); | |
52 | 292 display.removeWidget((cast(NSControl)view).cell()); |
45 | 293 } |
294 | |
52 | 295 void drawWidget (objc.id id, NSRect rect) { |
45 | 296 if ((style & DWT.ARROW) !is 0) { |
297 NSRect frame = view.frame(); | |
52 | 298 int arrowSize = Math.min(cast(int)frame.height, cast(int)frame.width) / 2; |
45 | 299 NSGraphicsContext context = NSGraphicsContext.currentContext(); |
300 context.saveGraphicsState(); | |
46
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301 NSPoint p1 = NSPoint(); |
60
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302 p1.x = cast(Carbon.CGFloat)Math.floor(-arrowSize / 2); |
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303 p1.y = cast(Carbon.CGFloat)Math.floor(-arrowSize / 2); |
46
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304 NSPoint p2 = NSPoint(); |
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305 p2.x = cast(Carbon.CGFloat)Math.ceil(arrowSize / 2); |
45 | 306 p2.y = p1.y; |
46
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307 NSPoint p3 = NSPoint(); |
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308 p3.y = cast(Carbon.CGFloat)Math.ceil(arrowSize / 2); |
45 | 309 |
310 NSBezierPath path = NSBezierPath.bezierPath(); | |
311 path.moveToPoint(p1); | |
312 path.lineToPoint(p2); | |
313 path.lineToPoint(p3); | |
314 path.closePath(); | |
315 | |
316 NSAffineTransform transform = NSAffineTransform.transform(); | |
317 if ((style & DWT.LEFT) !is 0) { | |
318 transform.rotateByDegrees(90); | |
319 } else if ((style & DWT.UP) !is 0) { | |
320 transform.rotateByDegrees(180); | |
321 } else if ((style & DWT.RIGHT) !is 0) { | |
322 transform.rotateByDegrees(-90); | |
323 } | |
324 path.transformUsingAffineTransform(transform); | |
325 transform = NSAffineTransform.transform(); | |
326 transform.translateXBy(frame.width / 2, frame.height / 2); | |
327 path.transformUsingAffineTransform(transform); | |
328 | |
329 NSColor color = isEnabled() ? NSColor.blackColor() : NSColor.disabledControlTextColor(); | |
330 color.set(); | |
331 path.fill(); | |
332 context.restoreGraphicsState(); | |
333 } | |
334 super.drawWidget (id, rect); | |
335 } | |
336 | |
0
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337 /** |
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338 * Returns a value which describes the position of the |
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339 * text or image in the receiver. The value will be one of |
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340 * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> |
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341 * unless the receiver is an <code>ARROW</code> button, in |
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342 * which case, the alignment will indicate the direction of |
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343 * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, |
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344 * <code>UP</code> or <code>DOWN</code>). |
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345 * |
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346 * @return the alignment |
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347 * |
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348 * @exception DWTException <ul> |
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349 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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350 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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351 * </ul> |
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352 */ |
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353 public int getAlignment () { |
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354 checkWidget (); |
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355 if ((style & DWT.ARROW) !is 0) { |
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356 if ((style & DWT.UP) !is 0) return DWT.UP; |
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357 if ((style & DWT.DOWN) !is 0) return DWT.DOWN; |
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358 if ((style & DWT.LEFT) !is 0) return DWT.LEFT; |
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359 if ((style & DWT.RIGHT) !is 0) return DWT.RIGHT; |
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360 return DWT.UP; |
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361 } |
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362 if ((style & DWT.LEFT) !is 0) return DWT.LEFT; |
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363 if ((style & DWT.CENTER) !is 0) return DWT.CENTER; |
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364 if ((style & DWT.RIGHT) !is 0) return DWT.RIGHT; |
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365 return DWT.LEFT; |
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366 } |
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367 |
45 | 368 /** |
369 * Returns <code>true</code> if the receiver is grayed, | |
370 * and false otherwise. When the widget does not have | |
371 * the <code>CHECK</code> style, return false. | |
372 * | |
373 * @return the grayed state of the checkbox | |
374 * | |
375 * @exception DWTException <ul> | |
376 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
377 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
378 * </ul> | |
379 * | |
380 * @since 3.4 | |
381 */ | |
0
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382 public bool getGrayed() { |
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383 checkWidget (); |
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384 if ((style &DWT.CHECK) !is 0) return false; |
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385 return grayed; |
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386 } |
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387 |
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388 /** |
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389 * Returns the receiver's image if it has one, or null |
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390 * if it does not. |
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391 * |
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392 * @return the receiver's image |
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393 * |
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394 * @exception DWTException <ul> |
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395 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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396 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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397 * </ul> |
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398 */ |
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399 public Image getImage () { |
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400 checkWidget(); |
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401 return image; |
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402 } |
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403 |
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404 String getNameText () { |
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405 return getText (); |
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406 } |
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407 |
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408 /** |
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409 * Returns <code>true</code> if the receiver is selected, |
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410 * and false otherwise. |
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411 * <p> |
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412 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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413 * it is selected when it is checked. When it is of type <code>TOGGLE</code>, |
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414 * it is selected when it is pushed in. If the receiver is of any other type, |
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415 * this method returns false. |
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416 * |
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417 * @return the selection state |
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418 * |
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419 * @exception DWTException <ul> |
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420 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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421 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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422 * </ul> |
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423 */ |
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424 public bool getSelection () { |
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425 checkWidget (); |
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426 if ((style & (DWT.CHECK | DWT.RADIO | DWT.TOGGLE)) is 0) return false; |
7 | 427 if ((style & DWT.CHECK) !is 0 && grayed) return (cast(NSButton)view).state() is OS.NSMixedState; |
428 return (cast(NSButton)view).state() is OS.NSOnState; | |
0
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429 } |
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430 |
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431 /** |
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432 * Returns the receiver's text, which will be an empty |
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433 * string if it has never been set or if the receiver is |
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434 * an <code>ARROW</code> button. |
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435 * |
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436 * @return the receiver's text |
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437 * |
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438 * @exception DWTException <ul> |
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439 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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440 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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441 * </ul> |
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442 */ |
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443 public String getText () { |
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444 checkWidget (); |
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445 return text; |
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446 } |
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447 |
45 | 448 void register() { |
449 super.register(); | |
52 | 450 display.addWidget((cast(NSControl)view).cell(), this); |
45 | 451 } |
452 | |
0
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453 void releaseWidget () { |
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454 super.releaseWidget (); |
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455 image = null; |
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456 text = null; |
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457 } |
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458 |
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459 /** |
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460 * Removes the listener from the collection of listeners who will |
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461 * be notified when the control is selected by the user. |
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462 * |
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463 * @param listener the listener which should no longer be notified |
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464 * |
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465 * @exception IllegalArgumentException <ul> |
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466 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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467 * </ul> |
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468 * @exception DWTException <ul> |
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469 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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470 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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471 * </ul> |
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472 * |
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473 * @see SelectionListener |
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474 * @see #addSelectionListener |
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475 */ |
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476 public void removeSelectionListener(SelectionListener listener) { |
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477 checkWidget(); |
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478 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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479 if (eventTable is null) return; |
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480 eventTable.unhook(DWT.Selection, listener); |
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481 eventTable.unhook(DWT.DefaultSelection,listener); |
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482 } |
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483 |
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484 void selectRadio () { |
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485 /* |
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486 * This code is intentionally commented. When two groups |
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487 * of radio buttons with the same parent are separated by |
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488 * another control, the correct behavior should be that |
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489 * the two groups act independently. This is consistent |
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490 * with radio tool and menu items. The commented code |
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491 * implements this behavior. |
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492 */ |
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493 // int index = 0; |
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494 // Control [] children = parent._getChildren (); |
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495 // while (index < children.length && children [index] !is this) index++; |
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496 // int i = index - 1; |
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497 // while (i >= 0 && children [i].setRadioSelection (false)) --i; |
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498 // int j = index + 1; |
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499 // while (j < children.length && children [j].setRadioSelection (false)) j++; |
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500 // setSelection (true); |
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501 Control [] children = parent._getChildren (); |
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502 for (int i=0; i<children.length; i++) { |
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503 Control child = children [i]; |
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504 if (this !is child) child.setRadioSelection (false); |
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505 } |
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506 setSelection (true); |
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507 } |
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508 |
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509 void sendSelection () { |
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510 if ((style & DWT.RADIO) !is 0) { |
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511 if ((parent.getStyle () & DWT.NO_RADIO_GROUP) is 0) { |
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512 selectRadio (); |
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513 } |
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514 } |
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515 if ((style & DWT.CHECK) !is 0) { |
7 | 516 if (grayed && (cast(NSButton)view).state() is OS.NSOnState) { |
517 (cast(NSButton)view).setState(OS.NSOffState); | |
0
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518 } |
7 | 519 if (!grayed && (cast(NSButton)view).state() is OS.NSMixedState) { |
520 (cast(NSButton)view).setState(OS.NSOnState); | |
0
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521 } |
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522 } |
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523 postEvent (DWT.Selection); |
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524 } |
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525 |
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526 |
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527 /** |
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528 * Controls how text, images and arrows will be displayed |
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529 * in the receiver. The argument should be one of |
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530 * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> |
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531 * unless the receiver is an <code>ARROW</code> button, in |
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532 * which case, the argument indicates the direction of |
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533 * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, |
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534 * <code>UP</code> or <code>DOWN</code>). |
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535 * |
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536 * @param alignment the new alignment |
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537 * |
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538 * @exception DWTException <ul> |
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539 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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540 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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541 * </ul> |
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542 */ |
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543 public void setAlignment (int alignment) { |
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544 checkWidget (); |
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545 _setAlignment (alignment); |
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546 redraw (); |
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547 } |
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548 |
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549 void _setAlignment (int alignment) { |
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550 if ((style & DWT.ARROW) !is 0) { |
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551 if ((style & (DWT.UP | DWT.DOWN | DWT.LEFT | DWT.RIGHT)) is 0) return; |
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552 style &= ~(DWT.UP | DWT.DOWN | DWT.LEFT | DWT.RIGHT); |
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553 style |= alignment & (DWT.UP | DWT.DOWN | DWT.LEFT | DWT.RIGHT); |
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554 // int orientation = OS.kThemeDisclosureRight; |
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555 // if ((style & DWT.UP) !is 0) orientation = OS.kThemeDisclosureDown; |
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556 // if ((style & DWT.DOWN) !is 0) orientation = OS.kThemeDisclosureDown; |
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557 // if ((style & DWT.LEFT) !is 0) orientation = OS.kThemeDisclosureLeft; |
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558 // OS.SetControl32BitValue (handle, orientation); |
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559 return; |
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560 } |
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561 if ((alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER)) is 0) return; |
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562 style &= ~(DWT.LEFT | DWT.RIGHT | DWT.CENTER); |
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563 style |= alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER); |
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564 /* text is still null when this is called from createHandle() */ |
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565 if (text !is null) { |
7 | 566 (cast(NSButton)view).setAttributedTitle(createString()); |
0
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567 } |
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568 // /* Alignment not honoured when image and text is visible */ |
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569 // bool bothVisible = text !is null && text.length () > 0 && image !is null; |
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570 // if (bothVisible) { |
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571 // if ((style & (DWT.RADIO | DWT.CHECK)) !is 0) alignment = DWT.LEFT; |
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572 // if ((style & (DWT.PUSH | DWT.TOGGLE)) !is 0) alignment = DWT.CENTER; |
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573 // } |
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574 // int textAlignment = 0; |
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575 // int graphicAlignment = 0; |
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576 // if ((alignment & DWT.LEFT) !is 0) { |
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577 // textAlignment = OS.kControlBevelButtonAlignTextFlushLeft; |
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578 // graphicAlignment = OS.kControlBevelButtonAlignLeft; |
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579 // } |
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580 // if ((alignment & DWT.CENTER) !is 0) { |
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581 // textAlignment = OS.kControlBevelButtonAlignTextCenter; |
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582 // graphicAlignment = OS.kControlBevelButtonAlignCenter; |
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583 // } |
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584 // if ((alignment & DWT.RIGHT) !is 0) { |
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585 // textAlignment = OS.kControlBevelButtonAlignTextFlushRight; |
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586 // graphicAlignment = OS.kControlBevelButtonAlignRight; |
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587 // } |
7 | 588 // OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonTextAlignTag, 2, new short [] {cast(short)textAlignment}); |
589 // OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonGraphicAlignTag, 2, new short [] {cast(short)graphicAlignment}); | |
0
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590 // if (bothVisible) { |
7 | 591 // OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonTextPlaceTag, 2, new short [] {cast(short)OS.kControlBevelButtonPlaceToRightOfGraphic}); |
0
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592 // } |
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593 } |
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594 |
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595 void setBackground (float [] color) { |
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596 NSColor nsColor; |
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597 if (color is null) { |
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598 return; // TODO set to OS default |
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599 } else { |
60
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600 nsColor = NSColor.colorWithDeviceRed(cast(Carbon.CGFloat) color[0], cast(Carbon.CGFloat) color[1], cast(Carbon.CGFloat) color[2], 1); |
0
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601 } |
7 | 602 NSButtonCell cell = new NSButtonCell((cast(NSButton)view).cell()); |
0
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603 cell.setBackgroundColor(nsColor); |
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604 } |
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605 |
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606 void setDefault (bool value) { |
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607 if ((style & DWT.PUSH) is 0) return; |
45 | 608 // NSWindow window = view.window(); |
609 // NSButtonCell cell = null; | |
610 // if (value) { | |
611 // cell = new NSButtonCell(((NSButton)view).cell()); | |
612 // } | |
613 // window.setDefaultButtonCell(cell); | |
614 } | |
615 | |
616 void setFont (NSFont font) { | |
617 if (text !is null) { | |
52 | 618 (cast(NSButton)view).setAttributedTitle(createString()); |
45 | 619 } |
0
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620 } |
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621 |
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622 void setForeground (float [] color) { |
7 | 623 (cast(NSButton)view).setAttributedTitle(createString()); |
0
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624 } |
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625 |
45 | 626 /** |
627 * Sets the grayed state of the receiver. This state change | |
628 * only applies if the control was created with the DWT.CHECK | |
629 * style. | |
630 * | |
631 * @param grayed the new grayed state | |
632 * | |
633 * @exception DWTException <ul> | |
634 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
635 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
636 * </ul> | |
637 * | |
638 * @since 3.4 | |
639 */ | |
0
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640 public void setGrayed(bool grayed) { |
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641 checkWidget (); |
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642 if ((style & DWT.CHECK) is 0) return; |
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643 bool checked = getSelection (); |
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644 this.grayed = grayed; |
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645 if (checked) { |
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646 if (grayed) { |
7 | 647 (cast(NSButton) view).setState (OS.NSMixedState); |
0
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648 } else { |
7 | 649 (cast(NSButton) view).setState (OS.NSOnState); |
0
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650 } |
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651 } |
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652 } |
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653 |
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654 /** |
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655 * Sets the receiver's image to the argument, which may be |
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656 * <code>null</code> indicating that no image should be displayed. |
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657 * <p> |
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658 * Note that a Button can display an image and text simultaneously |
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659 * on Windows (starting with XP), GTK+ and OSX. On other platforms, |
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660 * a Button that has an image and text set into it will display the |
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661 * image or text that was set most recently. |
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662 * </p> |
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663 * @param image the image to display on the receiver (may be <code>null</code>) |
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664 * |
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665 * @exception IllegalArgumentException <ul> |
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666 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
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667 * </ul> |
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668 * @exception DWTException <ul> |
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669 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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670 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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671 * </ul> |
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672 */ |
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673 public void setImage (Image image) { |
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674 checkWidget(); |
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675 if (image !is null && image.isDisposed ()) { |
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676 error (DWT.ERROR_INVALID_ARGUMENT); |
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677 } |
45 | 678 if ((style & DWT.ARROW) !is 0) return; |
0
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679 this.image = image; |
45 | 680 (cast(NSButton)view).setImage(image !is null ? image.handle : null); |
0
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681 } |
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682 |
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683 bool setRadioSelection (bool value){ |
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684 if ((style & DWT.RADIO) is 0) return false; |
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685 if (getSelection () !is value) { |
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686 setSelection (value); |
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687 postEvent (DWT.Selection); |
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688 } |
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689 return true; |
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690 } |
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691 |
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692 /** |
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693 * Sets the selection state of the receiver, if it is of type <code>CHECK</code>, |
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694 * <code>RADIO</code>, or <code>TOGGLE</code>. |
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695 * |
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696 * <p> |
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697 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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698 * it is selected when it is checked. When it is of type <code>TOGGLE</code>, |
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699 * it is selected when it is pushed in. |
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700 * |
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701 * @param selected the new selection state |
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702 * |
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703 * @exception DWTException <ul> |
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704 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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705 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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706 * </ul> |
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707 */ |
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708 public void setSelection (bool selected) { |
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709 checkWidget(); |
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710 if ((style & (DWT.CHECK | DWT.RADIO | DWT.TOGGLE)) is 0) return; |
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711 if (grayed) { |
7 | 712 (cast(NSButton)view).setState (selected ? OS.NSMixedState : OS.NSOffState); |
0
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713 } else { |
7 | 714 (cast(NSButton)view).setState (selected ? OS.NSOnState : OS.NSOffState); |
0
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715 } |
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716 } |
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717 |
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718 /** |
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719 * Sets the receiver's text. |
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720 * <p> |
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721 * This method sets the button label. The label may include |
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722 * the mnemonic character but must not contain line delimiters. |
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723 * </p> |
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724 * <p> |
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725 * Mnemonics are indicated by an '&' that causes the next |
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726 * character to be the mnemonic. When the user presses a |
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727 * key sequence that matches the mnemonic, a selection |
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728 * event occurs. On most platforms, the mnemonic appears |
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729 * underlined but may be emphasized in a platform specific |
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730 * manner. The mnemonic indicator character '&' can be |
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731 * escaped by doubling it in the string, causing a single |
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732 * '&' to be displayed. |
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733 * </p><p> |
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734 * Note that a Button can display an image and text simultaneously |
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735 * on Windows (starting with XP), GTK+ and OSX. On other platforms, |
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736 * a Button that has an image and text set into it will display the |
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737 * image or text that was set most recently. |
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738 * </p> |
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739 * @param string the new text |
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740 * |
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741 * @exception IllegalArgumentException <ul> |
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742 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
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743 * </ul> |
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744 * @exception DWTException <ul> |
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745 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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746 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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747 * </ul> |
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748 */ |
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749 public void setText (String string) { |
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750 checkWidget(); |
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751 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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752 if ((style & DWT.ARROW) !is 0) return; |
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753 text = string; |
7 | 754 (cast(NSButton)view).setAttributedTitle(createString()); |
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755 } |
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756 |
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757 int traversalCode (int key, NSEvent theEvent) { |
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758 int code = super.traversalCode (key, theEvent); |
45 | 759 if ((style & DWT.ARROW) !is 0) code &= ~(DWT.TRAVERSE_TAB_NEXT | DWT.TRAVERSE_TAB_PREVIOUS); |
0
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760 if ((style & DWT.RADIO) !is 0) code |= DWT.TRAVERSE_ARROW_NEXT | DWT.TRAVERSE_ARROW_PREVIOUS; |
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761 return code; |
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762 } |
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763 |
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764 } |