Mercurial > projects > dwt-mac
annotate dwt/widgets/Text.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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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.Text; |
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12 |
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13 import dwt.dwthelper.utils; |
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14 |
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15 import dwt.DWT; |
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16 import dwt.DWTException; |
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17 import dwt.events.ModifyListener; |
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18 import dwt.events.SelectionEvent; |
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19 import dwt.events.SelectionListener; |
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20 import dwt.events.VerifyListener; |
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21 import dwt.graphics.Color; |
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22 import dwt.graphics.Point; |
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23 import dwt.graphics.Rectangle; |
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24 import dwt.internal.cocoa.NSCell; |
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25 import dwt.internal.cocoa.NSColor; |
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26 import dwt.internal.cocoa.NSControl; |
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27 import dwt.internal.cocoa.NSEvent; |
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28 import dwt.internal.cocoa.NSMutableString; |
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29 import dwt.internal.cocoa.NSRange; |
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30 import dwt.internal.cocoa.NSRect; |
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31 import dwt.internal.cocoa.NSSearchField; |
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32 import dwt.internal.cocoa.NSSecureTextField; |
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33 import dwt.internal.cocoa.NSSize; |
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34 import dwt.internal.cocoa.NSString; |
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35 import dwt.internal.cocoa.NSTextField; |
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36 import dwt.internal.cocoa.NSTextFieldCell; |
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37 import dwt.internal.cocoa.NSTextView; |
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38 import dwt.internal.cocoa.OS; |
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39 import dwt.internal.cocoa.SWTScrollView; |
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40 import dwt.internal.cocoa.SWTTextField; |
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41 import dwt.internal.cocoa.SWTTextView; |
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42 |
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43 /** |
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44 * Instances of this class are selectable user interface |
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45 * objects that allow the user to enter and modify text. |
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46 * <p> |
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47 * <dl> |
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48 * <dt><b>Styles:</b></dt> |
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49 * <dd>CANCEL, CENTER, LEFT, MULTI, PASSWORD, SEARCH, SINGLE, RIGHT, READ_ONLY, WRAP</dd> |
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50 * <dt><b>Events:</b></dt> |
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51 * <dd>DefaultSelection, Modify, Verify</dd> |
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52 * </dl> |
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53 * <p> |
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54 * Note: Only one of the styles MULTI and SINGLE may be specified, |
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55 * and only one of the styles LEFT, CENTER, and RIGHT may be specified. |
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56 * </p><p> |
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57 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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58 * </p> |
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59 */ |
3 | 60 public class Text : Scrollable { |
0
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61 int textLimit = LIMIT, tabs = 8; |
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62 char echoCharacter; |
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63 bool doubleClick; |
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64 String hiddenText, message; |
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65 |
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66 /** |
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67 * The maximum number of characters that can be entered |
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68 * into a text widget. |
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69 * <p> |
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70 * Note that this value is platform dependent, based upon |
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71 * the native widget implementation. |
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72 * </p> |
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73 */ |
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74 public static final int LIMIT; |
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75 |
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76 /** |
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77 * The delimiter used by multi-line text widgets. When text |
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78 * is queried and from the widget, it will be delimited using |
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79 * this delimiter. |
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80 */ |
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81 public static final String DELIMITER; |
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82 static final char PASSWORD = '\u2022'; |
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83 |
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84 /* |
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85 * These values can be different on different platforms. |
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86 * Therefore they are not initialized in the declaration |
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87 * to stop the compiler from inlining. |
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88 */ |
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89 static { |
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90 LIMIT = 0x7FFFFFFF; |
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91 DELIMITER = "\r"; |
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92 } |
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93 |
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94 /** |
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95 * Constructs a new instance of this class given its parent |
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96 * and a style value describing its behavior and appearance. |
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97 * <p> |
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98 * The style value is either one of the style constants defined in |
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99 * class <code>DWT</code> which is applicable to instances of this |
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100 * class, or must be built by <em>bitwise OR</em>'ing together |
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101 * (that is, using the <code>int</code> "|" operator) two or more |
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102 * of those <code>DWT</code> style constants. The class description |
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103 * lists the style constants that are applicable to the class. |
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104 * Style bits are also inherited from superclasses. |
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105 * </p> |
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106 * |
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107 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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108 * @param style the style of control to construct |
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109 * |
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110 * @exception IllegalArgumentException <ul> |
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111 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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112 * </ul> |
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113 * @exception DWTException <ul> |
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114 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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115 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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116 * </ul> |
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117 * |
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118 * @see DWT#SINGLE |
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119 * @see DWT#MULTI |
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120 * @see DWT#READ_ONLY |
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121 * @see DWT#WRAP |
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122 * @see Widget#checkSubclass |
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123 * @see Widget#getStyle |
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124 */ |
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125 public Text (Composite parent, int style) { |
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126 super (parent, checkStyle (style)); |
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127 if ((style & DWT.SEARCH) !is 0) { |
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128 // int inAttributesToSet = (style & DWT.CANCEL) !is 0 ? OS.kHISearchFieldAttributesCancel : 0; |
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129 // OS.HISearchFieldChangeAttributes (handle, inAttributesToSet, 0); |
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130 /* |
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131 * Ensure that DWT.CANCEL is set. |
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132 * NOTE: CANCEL has the same value as H_SCROLL so it is |
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133 * necessary to first clear these bits to avoid a scroll |
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134 * bar and then reset the bit using the original style |
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135 * supplied by the programmer. |
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136 */ |
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137 if ((style & DWT.CANCEL) !is 0) this.style |= DWT.CANCEL; |
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138 } |
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139 } |
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140 |
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141 /** |
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142 * Adds the listener to the collection of listeners who will |
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143 * be notified when the receiver's text is modified, by sending |
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144 * it one of the messages defined in the <code>ModifyListener</code> |
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145 * interface. |
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146 * |
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147 * @param listener the listener which should be notified |
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148 * |
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149 * @exception IllegalArgumentException <ul> |
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150 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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151 * </ul> |
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152 * @exception DWTException <ul> |
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153 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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154 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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155 * </ul> |
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156 * |
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157 * @see ModifyListener |
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158 * @see #removeModifyListener |
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159 */ |
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160 public void addModifyListener (ModifyListener listener) { |
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161 checkWidget(); |
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162 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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163 TypedListener typedListener = new TypedListener (listener); |
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164 addListener (DWT.Modify, typedListener); |
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165 } |
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166 |
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167 /** |
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168 * Adds the listener to the collection of listeners who will |
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169 * be notified when the control is selected by the user, by sending |
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170 * it one of the messages defined in the <code>SelectionListener</code> |
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171 * interface. |
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172 * <p> |
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173 * <code>widgetSelected</code> is not called for texts. |
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174 * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed in a single-line text, |
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175 * or when ENTER is pressed in a search text. If the receiver has the <code>DWT.SEARCH | DWT.CANCEL</code> style |
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176 * and the user cancels the search, the event object detail field contains the value <code>DWT.CANCEL</code>. |
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177 * </p> |
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178 * |
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179 * @param listener the listener which should be notified when the control is selected by the user |
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180 * |
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181 * @exception IllegalArgumentException <ul> |
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182 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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183 * </ul> |
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184 * @exception DWTException <ul> |
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185 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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186 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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187 * </ul> |
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188 * |
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189 * @see SelectionListener |
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190 * @see #removeSelectionListener |
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191 * @see SelectionEvent |
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192 */ |
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193 public void addSelectionListener(SelectionListener listener) { |
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194 checkWidget(); |
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195 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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196 TypedListener typedListener = new TypedListener(listener); |
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197 addListener(DWT.Selection,typedListener); |
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198 addListener(DWT.DefaultSelection,typedListener); |
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199 } |
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200 |
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201 /** |
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202 * Adds the listener to the collection of listeners who will |
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203 * be notified when the receiver's text is verified, by sending |
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204 * it one of the messages defined in the <code>VerifyListener</code> |
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205 * interface. |
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206 * |
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207 * @param listener the listener which should be notified |
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208 * |
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209 * @exception IllegalArgumentException <ul> |
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210 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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211 * </ul> |
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212 * @exception DWTException <ul> |
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213 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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214 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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215 * </ul> |
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216 * |
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217 * @see VerifyListener |
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218 * @see #removeVerifyListener |
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219 */ |
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220 public void addVerifyListener (VerifyListener listener) { |
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221 checkWidget(); |
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222 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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223 TypedListener typedListener = new TypedListener (listener); |
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224 addListener (DWT.Verify, typedListener); |
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225 } |
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226 |
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227 /** |
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228 * Appends a string. |
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229 * <p> |
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230 * The new text is appended to the text at |
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231 * the end of the widget. |
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232 * </p> |
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233 * |
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234 * @param string the string to be appended |
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235 * |
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236 * @exception IllegalArgumentException <ul> |
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237 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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238 * </ul> |
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239 * @exception DWTException <ul> |
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240 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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241 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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242 * </ul> |
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243 */ |
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244 public void append (String string) { |
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245 checkWidget(); |
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246 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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247 if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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248 int charCount = getCharCount (); |
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249 string = verifyText (string, charCount, charCount, null); |
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250 if (string is null) return; |
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251 } |
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252 NSString str = NSString.stringWith(string); |
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253 if ((style & DWT.SINGLE) !is 0) { |
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254 // new NSTextFieldCell(((NSTextField)view).cell()).title(). |
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255 } else { |
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256 NSTextView widget = (NSTextView)view; |
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257 NSMutableString mutableString = widget.textStorage().mutableString(); |
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258 mutableString.appendString(str); |
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259 NSRange range = new NSRange(); |
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260 range.location = mutableString.length(); |
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261 widget.scrollRangeToVisible(range); |
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262 } |
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263 if (string.length () !is 0) sendEvent (DWT.Modify); |
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264 } |
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265 |
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266 static int checkStyle (int style) { |
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267 if ((style & DWT.SEARCH) !is 0) { |
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268 style |= DWT.SINGLE | DWT.BORDER; |
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269 style &= ~DWT.PASSWORD; |
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270 } |
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271 if ((style & DWT.SINGLE) !is 0 && (style & DWT.MULTI) !is 0) { |
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272 style &= ~DWT.MULTI; |
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273 } |
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274 style = checkBits (style, DWT.LEFT, DWT.CENTER, DWT.RIGHT, 0, 0, 0); |
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275 if ((style & DWT.SINGLE) !is 0) style &= ~(DWT.H_SCROLL | DWT.V_SCROLL | DWT.WRAP); |
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276 if ((style & DWT.WRAP) !is 0) { |
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277 style |= DWT.MULTI; |
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278 style &= ~DWT.H_SCROLL; |
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279 } |
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280 if ((style & DWT.MULTI) !is 0) style &= ~DWT.PASSWORD; |
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281 if ((style & (DWT.SINGLE | DWT.MULTI)) !is 0) return style; |
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282 if ((style & (DWT.H_SCROLL | DWT.V_SCROLL)) !is 0) return style | DWT.MULTI; |
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283 return style | DWT.SINGLE; |
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284 } |
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285 |
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286 /** |
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287 * Clears the selection. |
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288 * |
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289 * @exception DWTException <ul> |
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290 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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291 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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292 * </ul> |
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293 */ |
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294 public void clearSelection () { |
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295 checkWidget(); |
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296 Point selection = getSelection (); |
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297 setSelection (selection.x); |
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298 } |
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299 |
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300 public Point computeSize (int wHint, int hHint, bool changed) { |
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301 checkWidget(); |
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302 int width = 0, height = 0; |
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303 if ((style & DWT.SINGLE) !is 0) { |
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304 NSTextField widget = (NSTextField)view; |
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305 NSRect oldRect = widget.frame(); |
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306 widget.sizeToFit(); |
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307 NSRect newRect = widget.frame(); |
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308 widget.setFrame (oldRect); |
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309 width = (int)newRect.width; |
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310 height = (int)newRect.height; |
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311 } else { |
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312 NSTextView widget = (NSTextView)view; |
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313 NSRect oldRect = widget.frame(); |
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314 widget.sizeToFit(); |
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315 NSRect newRect = widget.frame(); |
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316 widget.setFrame (oldRect); |
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317 width = (int)newRect.width; |
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318 height = (int)newRect.height; |
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319 } |
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320 if (width <= 0) width = DEFAULT_WIDTH; |
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321 if (height <= 0) height = DEFAULT_HEIGHT; |
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322 if (wHint !is DWT.DEFAULT) width = wHint; |
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323 if (hHint !is DWT.DEFAULT) height = hHint; |
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324 Rectangle trim = computeTrim (0, 0, width, height); |
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325 width = trim.width; |
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326 height = trim.height; |
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327 return new Point (width, height); |
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328 } |
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329 |
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330 /** |
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331 * Copies the selected text. |
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332 * <p> |
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333 * The current selection is copied to the clipboard. |
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334 * </p> |
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335 * |
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336 * @exception DWTException <ul> |
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337 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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338 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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339 * </ul> |
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340 */ |
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341 public void copy () { |
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342 checkWidget (); |
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343 if ((style & DWT.SINGLE) !is 0) { |
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344 |
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345 } else { |
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346 ((NSTextView)view).copy(); |
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347 } |
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348 } |
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349 |
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350 void createHandle () { |
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351 if ((style & DWT.SINGLE) !is 0) { |
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352 NSTextField widget; |
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353 if ((style & DWT.PASSWORD) !is 0) { |
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354 widget = (NSTextField)new NSSecureTextField().alloc(); |
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355 } else if ((style & DWT.SEARCH) !is 0) { |
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356 widget = (NSTextField)new NSSearchField().alloc(); |
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357 } else { |
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358 widget = (NSTextField)new SWTTextField().alloc(); |
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359 } |
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360 widget.initWithFrame(new NSRect()); |
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361 widget.setSelectable(true); |
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362 widget.setEditable((style & DWT.READ_ONLY) is 0); |
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363 if ((style & DWT.BORDER) is 0) widget.setBordered(false); |
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364 int align = OS.NSLeftTextAlignment; |
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365 if ((style & DWT.CENTER) !is 0) align = OS.NSCenterTextAlignment; |
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366 if ((style & DWT.RIGHT) !is 0) align = OS.NSRightTextAlignment; |
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367 widget.setAlignment(align); |
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368 // widget.setTarget(widget); |
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369 // widget.setAction(OS.sel_sendSelection); |
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370 widget.setTag(jniRef); |
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371 view = widget; |
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372 parent.contentView().addSubview_(widget); |
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373 } else { |
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374 SWTScrollView scrollWidget = (SWTScrollView)new SWTScrollView().alloc(); |
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375 scrollWidget.initWithFrame(new NSRect()); |
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376 scrollWidget.setHasVerticalScroller((style & DWT.VERTICAL) !is 0); |
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377 scrollWidget.setHasHorizontalScroller((style & DWT.HORIZONTAL) !is 0); |
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378 scrollWidget.setAutoresizesSubviews(true); |
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379 scrollWidget.setTag(jniRef); |
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380 |
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381 SWTTextView widget = (SWTTextView)new SWTTextView().alloc(); |
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382 widget.initWithFrame(new NSRect()); |
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383 widget.setEditable((style & DWT.READ_ONLY) is 0); |
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384 if ((style & DWT.BORDER) is 0) widget.setFocusRingType(OS.NSFocusRingTypeNone); |
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385 |
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386 NSSize size = new NSSize(); |
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387 size.width = size.height = Float.MAX_VALUE; |
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388 widget.setMaxSize(size); |
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389 widget.setAutoresizingMask(OS.NSViewWidthSizable | OS.NSViewHeightSizable); |
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390 |
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391 if ((style & DWT.WRAP) is 0) { |
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392 widget.setHorizontallyResizable(true); |
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393 NSSize csize = new NSSize(); |
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394 csize.width = csize.height = Float.MAX_VALUE; |
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395 widget.textContainer().setWidthTracksTextView(false); |
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396 widget.textContainer().setContainerSize(csize); |
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397 } |
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398 |
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399 int align = OS.NSLeftTextAlignment; |
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400 if ((style & DWT.CENTER) !is 0) align = OS.NSCenterTextAlignment; |
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401 if ((style & DWT.RIGHT) !is 0) align = OS.NSRightTextAlignment; |
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402 widget.setAlignment(align); |
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403 |
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404 // widget.setTarget(widget); |
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405 // widget.setAction(OS.sel_sendSelection); |
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406 widget.setTag(jniRef); |
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407 widget.setRichText(false); |
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408 |
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409 view = widget; |
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410 scrollView = scrollWidget; |
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411 scrollView.setDocumentView(widget); |
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412 parent.contentView().addSubview_(scrollView); |
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413 } |
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414 } |
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415 |
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416 void createWidget () { |
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417 super.createWidget (); |
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418 doubleClick = true; |
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419 message = ""; |
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420 } |
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421 |
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422 /** |
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423 * Cuts the selected text. |
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424 * <p> |
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425 * The current selection is first copied to the |
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426 * clipboard and then deleted from the widget. |
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427 * </p> |
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428 * |
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429 * @exception DWTException <ul> |
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430 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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431 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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432 * </ul> |
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433 */ |
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434 public void cut () { |
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435 checkWidget(); |
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436 if ((style & DWT.READ_ONLY) !is 0) return; |
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437 if ((style & DWT.SINGLE) !is 0) { |
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|
438 |
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439 } else { |
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440 ((NSTextView)view).cut(null); |
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441 } |
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442 // bool cut = true; |
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443 // char [] oldText = null; |
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444 // Point oldSelection = getSelection (); |
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445 // if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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446 // if (oldSelection.x !is oldSelection.y) { |
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447 // oldText = getEditText (oldSelection.x, oldSelection.y - 1); |
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448 // String newText = verifyText ("", oldSelection.x, oldSelection.y, null); |
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449 // if (newText is null) return; |
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450 // if (newText.length () !is 0) { |
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451 // copyToClipboard (oldText); |
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452 // if (txnObject is 0) { |
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453 // insertEditText (newText); |
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454 // } else { |
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455 // setTXNText (OS.kTXNUseCurrentSelection, OS.kTXNUseCurrentSelection, newText); |
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456 // OS.TXNShowSelection (txnObject, false); |
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457 // } |
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458 // cut = false; |
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459 // } |
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460 // } |
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461 // } |
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462 // if (cut) { |
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463 // if (txnObject is 0) { |
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464 // if (oldText is null) oldText = getEditText (oldSelection.x, oldSelection.y - 1); |
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465 // copyToClipboard (oldText); |
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466 // insertEditText (""); |
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467 // } else { |
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468 // OS.TXNCut (txnObject); |
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469 // |
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470 // /* |
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471 // * Feature in the Macintosh. When an empty string is set in the TXNObject, |
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472 // * the font attributes are cleared. The fix is to reset them. |
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473 // */ |
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474 // if (OS.TXNDataSize (txnObject) / 2 is 0) setFontStyle (font); |
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475 // } |
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476 // } |
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477 // Point newSelection = getSelection (); |
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478 // if (!cut || !oldSelection.equals (newSelection)) sendEvent (DWT.Modify); |
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479 } |
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480 |
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481 Color defaultBackground () { |
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482 return display.getSystemColor (DWT.COLOR_LIST_BACKGROUND); |
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483 } |
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484 |
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485 Color defaultForeground () { |
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486 return display.getSystemColor (DWT.COLOR_LIST_FOREGROUND); |
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487 } |
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488 |
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489 bool dragDetect (int x, int y, bool filter, bool [] consume) { |
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490 if (filter) { |
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491 Point selection = getSelection (); |
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492 if (selection.x !is selection.y) { |
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493 int position = getPosition (x, y); |
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494 if (selection.x <= position && position < selection.y) { |
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495 if (super.dragDetect (x, y, filter, consume)) { |
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496 if (consume !is null) consume [0] = true; |
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497 return true; |
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498 } |
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499 } |
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500 } |
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501 return false; |
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502 } |
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503 return super.dragDetect (x, y, filter, consume); |
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504 } |
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505 |
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506 /** |
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507 * Returns the line number of the caret. |
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508 * <p> |
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509 * The line number of the caret is returned. |
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510 * </p> |
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511 * |
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512 * @return the line number |
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513 * |
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514 * @exception DWTException <ul> |
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515 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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516 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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517 * </ul> |
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518 */ |
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519 public int getCaretLineNumber () { |
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520 checkWidget(); |
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521 if ((style & DWT.SINGLE) !is 0) return 0; |
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522 return (getTopPixel () + getCaretLocation ().y) / getLineHeight (); |
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523 } |
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524 |
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525 /** |
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526 * Returns a point describing the receiver's location relative |
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527 * to its parent (or its display if its parent is null). |
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528 * <p> |
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529 * The location of the caret is returned. |
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530 * </p> |
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531 * |
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532 * @return a point, the location of the caret |
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533 * |
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534 * @exception DWTException <ul> |
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535 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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536 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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537 * </ul> |
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538 */ |
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539 public Point getCaretLocation () { |
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540 checkWidget(); |
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541 if ((style & DWT.SINGLE) !is 0) { |
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542 //TODO - caret location for unicode text |
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543 return new Point (0, 0); |
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544 } |
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545 // NSText |
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546 NSRange range = ((NSTextView)view).selectedRange(); |
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547 System.out.println(range.location + " " + range.length); |
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548 return null; |
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549 } |
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|
550 |
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|
551 /** |
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552 * Returns the character position of the caret. |
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553 * <p> |
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554 * Indexing is zero based. |
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555 * </p> |
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556 * |
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557 * @return the position of the caret |
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558 * |
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|
559 * @exception DWTException <ul> |
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560 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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561 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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562 * </ul> |
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563 */ |
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564 public int getCaretPosition () { |
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565 checkWidget(); |
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566 if ((style & DWT.SINGLE) !is 0) { |
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567 //TODO |
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568 return 0; |
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|
569 } else { |
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|
570 NSRange range = ((NSTextView)view).selectedRange(); |
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571 return range.location; |
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|
572 } |
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|
573 } |
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574 |
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575 /** |
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576 * Returns the number of characters. |
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577 * |
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578 * @return number of characters in the widget |
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579 * |
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580 * @exception DWTException <ul> |
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581 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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582 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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583 * </ul> |
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584 */ |
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585 public int getCharCount () { |
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586 checkWidget (); |
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587 if ((style & DWT.SINGLE) !is 0) { |
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588 return new NSCell(((NSControl)view).cell()).title().length(); |
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589 } else { |
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590 //TODO |
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591 return 0; |
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592 } |
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593 } |
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594 |
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595 /** |
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596 * Returns the double click enabled flag. |
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597 * <p> |
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598 * The double click flag enables or disables the |
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599 * default action of the text widget when the user |
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600 * double clicks. |
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601 * </p> |
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602 * |
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603 * @return whether or not double click is enabled |
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604 * |
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605 * @exception DWTException <ul> |
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606 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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607 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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608 * </ul> |
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609 */ |
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610 public bool getDoubleClickEnabled () { |
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611 checkWidget(); |
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612 return doubleClick; |
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613 } |
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|
614 |
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615 /** |
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616 * Returns the echo character. |
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617 * <p> |
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618 * The echo character is the character that is |
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619 * displayed when the user enters text or the |
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620 * text is changed by the programmer. |
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621 * </p> |
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622 * |
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623 * @return the echo character |
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624 * |
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625 * @exception DWTException <ul> |
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626 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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627 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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628 * </ul> |
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629 * |
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630 * @see #setEchoChar |
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631 */ |
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632 public char getEchoChar () { |
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633 checkWidget(); |
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634 return echoCharacter; |
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635 } |
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636 |
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637 /** |
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638 * Returns the editable state. |
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639 * |
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640 * @return whether or not the receiver is editable |
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641 * |
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642 * @exception DWTException <ul> |
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643 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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644 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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645 * </ul> |
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646 */ |
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647 public bool getEditable () { |
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648 checkWidget(); |
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649 return (style & DWT.READ_ONLY) is 0; |
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650 } |
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651 |
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652 /** |
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653 * Returns the number of lines. |
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654 * |
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|
655 * @return the number of lines in the widget |
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656 * |
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657 * @exception DWTException <ul> |
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658 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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659 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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660 * </ul> |
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661 */ |
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662 public int getLineCount () { |
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663 checkWidget(); |
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664 if ((style & DWT.SINGLE) !is 0) return 1; |
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665 return ((NSTextView)view).textStorage().paragraphs().count(); |
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666 } |
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|
667 |
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|
668 /** |
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669 * Returns the line delimiter. |
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|
670 * |
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|
671 * @return a string that is the line delimiter |
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|
672 * |
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673 * @exception DWTException <ul> |
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674 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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675 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
676 * </ul> |
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677 * |
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|
678 * @see #DELIMITER |
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|
679 */ |
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|
680 public String getLineDelimiter () { |
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681 checkWidget(); |
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682 return DELIMITER; |
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683 } |
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|
684 |
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|
685 /** |
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|
686 * Returns the height of a line. |
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|
687 * |
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|
688 * @return the height of a row of text |
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|
689 * |
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|
690 * @exception DWTException <ul> |
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691 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
692 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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693 * </ul> |
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694 */ |
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695 public int getLineHeight () { |
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696 checkWidget(); |
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697 //TODO |
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698 return 16; |
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699 } |
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700 |
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701 /** |
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702 * Returns the orientation of the receiver, which will be one of the |
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703 * constants <code>DWT.LEFT_TO_RIGHT</code> or <code>DWT.RIGHT_TO_LEFT</code>. |
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704 * |
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705 * @return the orientation style |
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706 * |
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707 * @exception DWTException <ul> |
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708 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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709 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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710 * </ul> |
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711 * |
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712 * @since 2.1.2 |
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713 */ |
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714 public int getOrientation () { |
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715 checkWidget(); |
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716 return style & (DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT); |
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717 } |
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718 |
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719 /** |
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720 * Returns the widget message. When the widget is created |
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721 * with the style <code>DWT.SEARCH</code>, the message text |
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722 * is displayed as a hint for the user, indicating the |
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723 * purpose of the field. |
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724 * <p> |
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725 * Note: This operation is a <em>HINT</em> and is not |
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726 * supported on platforms that do not have this concept. |
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727 * </p> |
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728 * |
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729 * @return the widget message |
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730 * |
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731 * @exception DWTException <ul> |
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732 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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733 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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734 * </ul> |
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735 * |
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736 * @since 3.3 |
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|
737 */ |
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|
738 public String getMessage () { |
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739 checkWidget (); |
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740 return message; |
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|
741 } |
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|
742 |
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743 int getPosition (int x, int y) { |
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744 // checkWidget (); |
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745 //TODO |
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746 return 0; |
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747 } |
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|
748 |
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749 public int getPosition (Point point) { |
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750 checkWidget (); |
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751 if (point is null) error (DWT.ERROR_NULL_ARGUMENT); |
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752 return getPosition (point.x, point.y); |
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|
753 } |
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|
754 |
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|
755 /** |
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756 * Returns a <code>Point</code> whose x coordinate is the |
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757 * character position representing the start of the selected |
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758 * text, and whose y coordinate is the character position |
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759 * representing the end of the selection. An "empty" selection |
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760 * is indicated by the x and y coordinates having the same value. |
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761 * <p> |
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762 * Indexing is zero based. The range of a selection is from |
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763 * 0..N where N is the number of characters in the widget. |
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|
764 * </p> |
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|
765 * |
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766 * @return a point representing the selection start and end |
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767 * |
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|
768 * @exception DWTException <ul> |
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|
769 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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770 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
771 * </ul> |
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|
772 */ |
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|
773 public Point getSelection () { |
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|
774 checkWidget(); |
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775 if ((style & DWT.SINGLE) !is 0) { |
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776 // new NSTextFieldCell(((NSTextField)view).cell()).title(). |
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777 return new Point(0, 0); |
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|
778 } else { |
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|
779 NSTextView widget = (NSTextView)view; |
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780 NSRange range = widget.selectedRange(); |
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781 return new Point(range.location, range.location + range.length); |
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|
782 } |
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|
783 } |
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|
784 |
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|
785 /** |
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|
786 * Returns the number of selected characters. |
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|
787 * |
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|
788 * @return the number of selected characters. |
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|
789 * |
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|
790 * @exception DWTException <ul> |
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791 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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792 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
793 * </ul> |
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|
794 */ |
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|
795 public int getSelectionCount () { |
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|
796 checkWidget(); |
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|
797 if ((style & DWT.SINGLE) !is 0) { |
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|
798 // new NSTextFieldCell(((NSTextField)view).cell()).title(). |
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|
799 return -1; |
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|
800 } else { |
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|
801 NSTextView widget = (NSTextView)view; |
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802 NSRange range = widget.selectedRange(); |
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|
803 return range.length; |
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|
804 } |
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|
805 } |
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changeset
|
806 |
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parents:
diff
changeset
|
807 /** |
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parents:
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|
808 * Gets the selected text, or an empty string if there is no current selection. |
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|
809 * |
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810 * @return the selected text |
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811 * |
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812 * @exception DWTException <ul> |
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813 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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814 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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815 * </ul> |
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|
816 */ |
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817 public String getSelectionText () { |
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818 checkWidget(); |
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819 if ((style & DWT.SINGLE) !is 0) { |
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|
820 //TODO |
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821 return ""; |
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822 } else { |
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823 NSTextView widget = (NSTextView)view; |
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824 NSRange range = widget.selectedRange(); |
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825 NSString str = widget.textStorage().string(); |
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826 char[] buffer = new char[range.length]; |
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827 str.getCharacters_range_(buffer, range); |
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828 return new String(buffer); |
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829 } |
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|
830 } |
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|
831 |
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|
832 /** |
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833 * Returns the number of tabs. |
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834 * <p> |
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835 * Tab stop spacing is specified in terms of the |
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836 * space (' ') character. The width of a single |
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837 * tab stop is the pixel width of the spaces. |
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838 * </p> |
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839 * |
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840 * @return the number of tab characters |
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|
841 * |
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842 * @exception DWTException <ul> |
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843 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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844 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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845 * </ul> |
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|
846 */ |
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847 public int getTabs () { |
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|
848 checkWidget(); |
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849 return tabs; |
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850 } |
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|
851 |
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|
852 /** |
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853 * Returns the widget text. |
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|
854 * <p> |
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855 * The text for a text widget is the characters in the widget, or |
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856 * an empty string if this has never been set. |
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|
857 * </p> |
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858 * |
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859 * @return the widget text |
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|
860 * |
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|
861 * @exception DWTException <ul> |
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862 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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863 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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864 * </ul> |
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|
865 */ |
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|
866 public String getText () { |
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|
867 checkWidget(); |
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|
868 NSString str; |
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|
869 if ((style & DWT.SINGLE) !is 0) { |
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|
870 str = new NSTextFieldCell(((NSTextField)view).cell()).title(); |
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|
871 } else { |
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|
872 str = ((NSTextView)view).textStorage().string(); |
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873 } |
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|
874 if (str is null) return ""; |
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875 char[] buffer = new char[str.length()]; |
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|
876 str.getCharacters_(buffer); |
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|
877 return new String(buffer); |
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|
878 } |
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|
879 |
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|
880 /** |
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881 * Returns a range of text. Returns an empty string if the |
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882 * start of the range is greater than the end. |
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|
883 * <p> |
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884 * Indexing is zero based. The range of |
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885 * a selection is from 0..N-1 where N is |
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886 * the number of characters in the widget. |
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|
887 * </p> |
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|
888 * |
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|
889 * @param start the start of the range |
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890 * @param end the end of the range |
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891 * @return the range of text |
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|
892 * |
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893 * @exception DWTException <ul> |
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894 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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895 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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896 * </ul> |
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897 */ |
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898 public String getText (int start, int end) { |
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|
899 checkWidget (); |
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900 NSString str; |
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901 if ((style & DWT.SINGLE) !is 0) { |
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902 str = new NSTextFieldCell(((NSTextField)view).cell()).title(); |
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|
903 |
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|
904 } else { |
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|
905 str = null; |
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906 // return getTXNText (OS.kTXNStartOffset, OS.kTXNEndOffset); |
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907 } |
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|
908 if (str is null) return ""; |
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|
909 char[] buffer = new char[str.length()]; |
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|
910 str.getCharacters_(buffer); |
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911 return new String(buffer, start, end - start); |
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|
912 } |
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|
913 |
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|
914 /** |
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915 * Returns the maximum number of characters that the receiver is capable of holding. |
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|
916 * <p> |
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917 * If this has not been changed by <code>setTextLimit()</code>, |
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918 * it will be the constant <code>Text.LIMIT</code>. |
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|
919 * </p> |
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|
920 * |
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|
921 * @return the text limit |
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|
922 * |
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|
923 * @exception DWTException <ul> |
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924 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
925 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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926 * </ul> |
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927 * |
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928 * @see #LIMIT |
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|
929 */ |
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|
930 public int getTextLimit () { |
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|
931 checkWidget(); |
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|
932 return textLimit; |
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933 } |
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|
934 |
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935 /** |
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936 * Returns the zero-relative index of the line which is currently |
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937 * at the top of the receiver. |
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938 * <p> |
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939 * This index can change when lines are scrolled or new lines are added or removed. |
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940 * </p> |
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941 * |
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942 * @return the index of the top line |
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943 * |
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944 * @exception DWTException <ul> |
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945 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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946 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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947 * </ul> |
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948 */ |
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949 public int getTopIndex () { |
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950 checkWidget(); |
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951 if ((style & DWT.SINGLE) !is 0) return 0; |
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952 return getTopPixel () / getLineHeight (); |
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953 } |
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|
954 |
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|
955 /** |
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956 * Returns the top pixel. |
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957 * <p> |
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958 * The top pixel is the pixel position of the line |
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959 * that is currently at the top of the widget. On |
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960 * some platforms, a text widget can be scrolled by |
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961 * pixels instead of lines so that a partial line |
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962 * is displayed at the top of the widget. |
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963 * </p><p> |
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964 * The top pixel changes when the widget is scrolled. |
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965 * The top pixel does not include the widget trimming. |
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966 * </p> |
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967 * |
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968 * @return the pixel position of the top line |
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969 * |
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970 * @exception DWTException <ul> |
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971 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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972 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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973 * </ul> |
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|
974 */ |
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|
975 public int getTopPixel () { |
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976 checkWidget(); |
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977 if ((style & DWT.SINGLE) !is 0) return 0; |
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978 //TODO |
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979 return 0; |
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|
980 } |
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|
981 |
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|
982 /** |
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983 * Inserts a string. |
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984 * <p> |
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985 * The old selection is replaced with the new text. |
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|
986 * </p> |
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|
987 * |
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988 * @param string the string |
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|
989 * |
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|
990 * @exception IllegalArgumentException <ul> |
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|
991 * <li>ERROR_NULL_ARGUMENT - if the string is <code>null</code></li> |
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|
992 * </ul> |
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993 * @exception DWTException <ul> |
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994 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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995 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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996 * </ul> |
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|
997 */ |
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998 public void insert (String string) { |
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999 checkWidget(); |
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1000 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1001 if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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1002 Point selection = getSelection (); |
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1003 string = verifyText (string, selection.x, selection.y, null); |
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1004 if (string is null) return; |
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|
1005 } |
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1006 if ((style & DWT.SINGLE) !is 0) { |
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1007 // new NSTextFieldCell(((NSTextField)view).cell()).title(). |
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1008 } else { |
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1009 // |
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1010 NSString str = NSString.stringWith(string); |
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1011 NSTextView widget = (NSTextView)view; |
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1012 NSRange range = widget.selectedRange(); |
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1013 widget.textStorage().replaceCharactersInRange_withString_(range, str); |
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1014 } |
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1015 if (string.length () !is 0) sendEvent (DWT.Modify); |
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1016 } |
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|
1017 |
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|
1018 /** |
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1019 * Pastes text from clipboard. |
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1020 * <p> |
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1021 * The selected text is deleted from the widget |
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1022 * and new text inserted from the clipboard. |
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1023 * </p> |
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1024 * |
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1025 * @exception DWTException <ul> |
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1026 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1027 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1028 * </ul> |
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1029 */ |
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1030 public void paste () { |
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1031 checkWidget(); |
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1032 if ((style & DWT.READ_ONLY) !is 0) return; |
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1033 // bool paste = true; |
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1034 // String oldText = null; |
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1035 // if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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1036 // oldText = getClipboardText (); |
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1037 // if (oldText !is null) { |
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1038 // Point selection = getSelection (); |
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1039 // String newText = verifyText (oldText, selection.x, selection.y, null); |
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1040 // if (newText is null) return; |
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changeset
|
1041 // if (!newText.equals (oldText)) { |
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1042 // if (txnObject is 0) { |
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1043 // insertEditText (newText); |
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1044 // } else { |
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|
1045 // setTXNText (OS.kTXNUseCurrentSelection, OS.kTXNUseCurrentSelection, newText); |
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|
1046 // OS.TXNShowSelection (txnObject, false); |
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|
1047 // } |
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1048 // paste = false; |
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|
1049 // } |
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1050 // } |
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1051 // } |
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|
1052 // if (paste) { |
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|
1053 // if (txnObject is 0) { |
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|
1054 // if (oldText is null) oldText = getClipboardText (); |
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1055 // insertEditText (oldText); |
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1056 // } else { |
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changeset
|
1057 // if (textLimit !is LIMIT) { |
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parents:
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1058 // if (oldText is null) oldText = getClipboardText (); |
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1059 // setTXNText (OS.kTXNUseCurrentSelection, OS.kTXNUseCurrentSelection, oldText); |
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1060 // OS.TXNShowSelection (txnObject, false); |
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1061 // } else { |
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1062 // OS.TXNPaste (txnObject); |
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1063 // } |
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1064 // } |
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1065 // } |
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1066 // sendEvent (DWT.Modify); |
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1067 } |
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1068 |
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|
1069 void releaseWidget () { |
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1070 super.releaseWidget (); |
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1071 hiddenText = message = null; |
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1072 } |
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1073 |
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|
1074 /** |
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1075 * Removes the listener from the collection of listeners who will |
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1076 * be notified when the receiver's text is modified. |
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1077 * |
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1078 * @param listener the listener which should no longer be notified |
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1079 * |
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1080 * @exception IllegalArgumentException <ul> |
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1081 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1082 * </ul> |
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1083 * @exception DWTException <ul> |
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1084 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1085 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1086 * </ul> |
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1087 * |
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1088 * @see ModifyListener |
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1089 * @see #addModifyListener |
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1090 */ |
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1091 public void removeModifyListener (ModifyListener listener) { |
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1092 checkWidget(); |
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1093 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1094 if (eventTable is null) return; |
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1095 eventTable.unhook (DWT.Modify, listener); |
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1096 } |
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|
1097 |
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|
1098 /** |
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1099 * Removes the listener from the collection of listeners who will |
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1100 * be notified when the control is selected by the user. |
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1101 * |
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1102 * @param listener the listener which should no longer be notified |
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1103 * |
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1104 * @exception IllegalArgumentException <ul> |
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1105 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1106 * </ul> |
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1107 * @exception DWTException <ul> |
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1108 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1109 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1110 * </ul> |
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1111 * |
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1112 * @see SelectionListener |
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1113 * @see #addSelectionListener |
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1114 */ |
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1115 public void removeSelectionListener(SelectionListener listener) { |
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1116 checkWidget(); |
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1117 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1118 if (eventTable is null) return; |
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1119 eventTable.unhook(DWT.Selection, listener); |
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1120 eventTable.unhook(DWT.DefaultSelection,listener); |
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1121 } |
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|
1122 |
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|
1123 /** |
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1124 * Removes the listener from the collection of listeners who will |
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1125 * be notified when the control is verified. |
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1126 * |
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1127 * @param listener the listener which should no longer be notified |
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1128 * |
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1129 * @exception IllegalArgumentException <ul> |
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1130 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1131 * </ul> |
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1132 * @exception DWTException <ul> |
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1133 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1134 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1135 * </ul> |
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1136 * |
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1137 * @see VerifyListener |
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|
1138 * @see #addVerifyListener |
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1139 */ |
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1140 public void removeVerifyListener (VerifyListener listener) { |
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1141 checkWidget(); |
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1142 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1143 if (eventTable is null) return; |
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1144 eventTable.unhook (DWT.Verify, listener); |
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1145 } |
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|
1146 |
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|
1147 /** |
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1148 * Selects all the text in the receiver. |
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|
1149 * |
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|
1150 * @exception DWTException <ul> |
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1151 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
1152 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
1153 * </ul> |
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|
1154 */ |
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|
1155 public void selectAll () { |
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changeset
|
1156 checkWidget(); |
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1157 if ((style & DWT.SINGLE) !is 0) { |
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1158 setSelection (0, getCharCount ()); |
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1159 } else { |
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1160 ((NSTextView)view).selectAll(null); |
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|
1161 } |
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|
1162 } |
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1163 |
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|
1164 bool sendKeyEvent (int type, Event event) { |
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1165 if (!super.sendKeyEvent (type, event)) { |
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1166 return false; |
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1167 } |
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1168 if (type !is DWT.KeyDown) return true; |
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1169 if ((style & DWT.READ_ONLY) !is 0) return true; |
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1170 if (event.character is 0) return true; |
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1171 if ((event.stateMask & DWT.COMMAND) !is 0) return true; |
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1172 String oldText = ""; |
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1173 int charCount = getCharCount (); |
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1174 Point selection = getSelection (); |
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1175 int start = selection.x, end = selection.y; |
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1176 switch (event.character) { |
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1177 case DWT.BS: |
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1178 if (start is end) { |
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1179 if (start is 0) return true; |
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1180 start = Math.max (0, start - 1); |
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1181 } |
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1182 break; |
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1183 case DWT.DEL: |
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1184 if (start is end) { |
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1185 if (start is charCount) return true; |
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1186 end = Math.min (end + 1, charCount); |
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1187 } |
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1188 break; |
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1189 case DWT.CR: |
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1190 if ((style & DWT.SINGLE) !is 0) return true; |
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1191 oldText = DELIMITER; |
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1192 break; |
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1193 default: |
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1194 if (event.character !is '\t' && event.character < 0x20) return true; |
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1195 oldText = new String (new char [] {event.character}); |
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1196 } |
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1197 String newText = verifyText (oldText, start, end, event); |
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1198 if (newText is null) return false; |
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1199 if (charCount - (end - start) + newText.length () > textLimit) { |
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1200 return false; |
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1201 } |
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1202 bool result = newText is oldText; |
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1203 if (newText !is oldText || hiddenText !is null) { |
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|
1204 // if (txnObject is 0) { |
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|
1205 // String text = new String (getEditText (0, -1)); |
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1206 // String leftText = text.substring (0, start); |
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1207 // String rightText = text.substring (end, text.length ()); |
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1208 // setEditText (leftText + newText + rightText); |
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1209 // start += newText.length (); |
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1210 // setSelection (new Point (start, start)); |
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1211 // result = false; |
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|
1212 // } else { |
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1213 // setTXNText (start, end, newText); |
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1214 // } |
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|
1215 } |
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|
1216 /* |
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|
1217 * Post the modify event so that the character will be inserted |
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1218 * into the widget when the modify event is delivered. Normally, |
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1219 * modify events are sent but it is safe to post the event here |
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1220 * because this method is called from the event loop. |
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|
1221 */ |
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|
1222 postEvent (DWT.Modify); |
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|
1223 return result; |
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|
1224 } |
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|
1225 |
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|
1226 void setBackground (float [] color) { |
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|
1227 NSColor nsColor; |
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|
1228 if (color is null) { |
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|
1229 return; // TODO reset to OS default |
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1230 } else { |
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|
1231 nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1); |
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|
1232 } |
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|
1233 if ((style & DWT.SINGLE) !is 0) { |
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1234 ((NSTextField)view).setBackgroundColor(nsColor); |
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|
1235 } else { |
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|
1236 ((NSTextView)view).setBackgroundColor(nsColor); |
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|
1237 } |
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|
1238 } |
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|
1239 |
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changeset
|
1240 /** |
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|
1241 * Sets the double click enabled flag. |
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|
1242 * <p> |
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1243 * The double click flag enables or disables the |
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1244 * default action of the text widget when the user |
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1245 * double clicks. |
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|
1246 * </p><p> |
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|
1247 * Note: This operation is a hint and is not supported on |
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|
1248 * platforms that do not have this concept. |
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|
1249 * </p> |
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|
1250 * |
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|
1251 * @param doubleClick the new double click flag |
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|
1252 * |
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|
1253 * @exception DWTException <ul> |
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|
1254 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
1255 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
1256 * </ul> |
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|
1257 */ |
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|
1258 public void setDoubleClickEnabled (bool doubleClick) { |
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|
1259 checkWidget(); |
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changeset
|
1260 this.doubleClick = doubleClick; |
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|
1261 } |
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|
1262 |
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changeset
|
1263 /** |
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changeset
|
1264 * Sets the echo character. |
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|
1265 * <p> |
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|
1266 * The echo character is the character that is |
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|
1267 * displayed when the user enters text or the |
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|
1268 * text is changed by the programmer. Setting |
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changeset
|
1269 * the echo character to '\0' clears the echo |
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|
1270 * character and redraws the original text. |
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parents:
diff
changeset
|
1271 * If for any reason the echo character is invalid, |
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1272 * or if the platform does not allow modification |
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1273 * of the echo character, the default echo character |
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1274 * for the platform is used. |
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1275 * </p> |
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1276 * |
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1277 * @param echo the new echo character |
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1278 * |
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1279 * @exception DWTException <ul> |
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1280 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1281 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1282 * </ul> |
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1283 */ |
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1284 public void setEchoChar (char echo) { |
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1285 checkWidget(); |
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1286 if ((style & DWT.MULTI) !is 0) return; |
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1287 // if (txnObject is 0) { |
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1288 // if ((style & DWT.PASSWORD) is 0) { |
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1289 // Point selection = getSelection (); |
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1290 // String text = getText (); |
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1291 // echoCharacter = echo; |
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1292 // setEditText (text); |
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1293 // setSelection (selection); |
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1294 // } |
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1295 // } else { |
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1296 // OS.TXNEchoMode (txnObject, echo, OS.kTextEncodingMacUnicode, echo !is '\0'); |
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1297 // } |
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1298 echoCharacter = echo; |
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1299 } |
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1300 |
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|
1301 /** |
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1302 * Sets the editable state. |
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1303 * |
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1304 * @param editable the new editable state |
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1305 * |
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1306 * @exception DWTException <ul> |
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1307 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1308 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1309 * </ul> |
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1310 */ |
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1311 public void setEditable (bool editable) { |
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1312 checkWidget(); |
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1313 if (editable) { |
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1314 style &= ~DWT.READ_ONLY; |
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1315 } else { |
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1316 style |= DWT.READ_ONLY; |
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1317 } |
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1318 if ((style & DWT.SINGLE) !is 0) { |
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1319 ((NSTextField)view).setEditable(editable); |
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1320 } else { |
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1321 ((NSTextView)view).setEditable(editable); |
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1322 } |
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|
1323 } |
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1324 |
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1325 void setForeground (float [] color) { |
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1326 NSColor nsColor; |
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1327 if (color is null) { |
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1328 return; // TODO reset to OS default |
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1329 } else { |
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1330 nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1); |
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1331 } |
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1332 if ((style & DWT.SINGLE) !is 0) { |
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1333 ((NSTextField)view).setTextColor(nsColor); |
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1334 } else { |
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1335 ((NSTextView)view).setTextColor_(nsColor); |
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|
1336 } |
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|
1337 } |
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|
1338 |
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|
1339 /** |
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1340 * Sets the orientation of the receiver, which must be one |
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1341 * of the constants <code>DWT.LEFT_TO_RIGHT</code> or <code>DWT.RIGHT_TO_LEFT</code>. |
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1342 * <p> |
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1343 * Note: This operation is a hint and is not supported on |
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1344 * platforms that do not have this concept. |
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1345 * </p> |
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|
1346 * |
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1347 * @param orientation new orientation style |
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1348 * |
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|
1349 * @exception DWTException <ul> |
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1350 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1351 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1352 * </ul> |
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1353 * |
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1354 * @since 2.1.2 |
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1355 */ |
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|
1356 public void setOrientation (int orientation) { |
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1357 checkWidget(); |
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|
1358 } |
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|
1359 |
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|
1360 /** |
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1361 * Sets the widget message. When the widget is created |
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1362 * with the style <code>DWT.SEARCH</code>, the message text |
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1363 * is displayed as a hint for the user, indicating the |
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1364 * purpose of the field. |
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1365 * <p> |
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1366 * Note: This operation is a <em>HINT</em> and is not |
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1367 * supported on platforms that do not have this concept. |
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1368 * </p> |
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|
1369 * |
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|
1370 * @param message the new message |
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|
1371 * |
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|
1372 * @exception IllegalArgumentException <ul> |
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1373 * <li>ERROR_NULL_ARGUMENT - if the message is null</li> |
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|
1374 * </ul> |
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1375 * @exception DWTException <ul> |
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1376 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1377 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1378 * </ul> |
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|
1379 * |
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|
1380 * @since 3.3 |
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1381 */ |
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|
1382 public void setMessage (String message) { |
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1383 checkWidget (); |
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|
1384 if (message is null) error (DWT.ERROR_NULL_ARGUMENT); |
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|
1385 this.message = message; |
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|
1386 // if ((style & DWT.SEARCH) !is 0) { |
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1387 // char [] buffer = new char [message.length ()]; |
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1388 // message.getChars (0, buffer.length, buffer, 0); |
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1389 // int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); |
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1390 // if (ptr is 0) error (DWT.ERROR_CANNOT_SET_TEXT); |
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1391 // OS.HISearchFieldSetDescriptiveText (handle, ptr); |
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1392 // OS.CFRelease (ptr); |
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1393 // } |
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1394 } |
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1395 |
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1396 /** |
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1397 * Sets the selection. |
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1398 * <p> |
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1399 * Indexing is zero based. The range of |
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1400 * a selection is from 0..N where N is |
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1401 * the number of characters in the widget. |
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1402 * </p><p> |
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1403 * Text selections are specified in terms of |
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1404 * caret positions. In a text widget that |
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1405 * contains N characters, there are N+1 caret |
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1406 * positions, ranging from 0..N. This differs |
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1407 * from other functions that address character |
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1408 * position such as getText () that use the |
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1409 * regular array indexing rules. |
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1410 * </p> |
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1411 * |
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1412 * @param start new caret position |
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1413 * |
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1414 * @exception DWTException <ul> |
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1415 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1416 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1417 * </ul> |
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1418 */ |
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1419 public void setSelection (int start) { |
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1420 checkWidget(); |
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1421 setSelection (start, start); |
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1422 } |
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1423 |
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1424 /** |
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1425 * Sets the selection to the range specified |
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1426 * by the given start and end indices. |
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1427 * <p> |
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1428 * Indexing is zero based. The range of |
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1429 * a selection is from 0..N where N is |
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1430 * the number of characters in the widget. |
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1431 * </p><p> |
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1432 * Text selections are specified in terms of |
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1433 * caret positions. In a text widget that |
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1434 * contains N characters, there are N+1 caret |
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1435 * positions, ranging from 0..N. This differs |
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1436 * from other functions that address character |
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1437 * position such as getText () that use the |
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1438 * usual array indexing rules. |
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1439 * </p> |
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1440 * |
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1441 * @param start the start of the range |
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1442 * @param end the end of the range |
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1443 * |
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1444 * @exception DWTException <ul> |
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1445 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1446 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1447 * </ul> |
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1448 */ |
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1449 public void setSelection (int start, int end) { |
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1450 checkWidget(); |
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1451 if ((style & DWT.SINGLE) !is 0) { |
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|
1452 // int length = getCharCount (); |
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1453 // ControlEditTextSelectionRec selection = new ControlEditTextSelectionRec (); |
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1454 // selection.selStart = (short) Math.min (Math.max (Math.min (start, end), 0), length); |
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1455 // selection.selEnd = (short) Math.min (Math.max (Math.max (start, end), 0), length); |
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1456 // if (hasFocus ()) { |
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1457 // OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlEditTextSelectionTag, 4, selection); |
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|
1458 // } else { |
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1459 // this.selection = selection; |
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1460 // } |
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1461 } else { |
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|
1462 //TODO - range test |
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1463 NSRange range = new NSRange (); |
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1464 range.location = start; |
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1465 range.length = end - start + 1; |
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1466 ((NSTextView)view).setSelectedRange (range); |
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|
1467 } |
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|
1468 } |
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|
1469 |
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|
1470 /** |
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1471 * Sets the selection to the range specified |
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1472 * by the given point, where the x coordinate |
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1473 * represents the start index and the y coordinate |
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1474 * represents the end index. |
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|
1475 * <p> |
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1476 * Indexing is zero based. The range of |
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1477 * a selection is from 0..N where N is |
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1478 * the number of characters in the widget. |
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1479 * </p><p> |
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1480 * Text selections are specified in terms of |
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|
1481 * caret positions. In a text widget that |
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|
1482 * contains N characters, there are N+1 caret |
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1483 * positions, ranging from 0..N. This differs |
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|
1484 * from other functions that address character |
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|
1485 * position such as getText () that use the |
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|
1486 * usual array indexing rules. |
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|
1487 * </p> |
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1488 * |
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1489 * @param selection the point |
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1490 * |
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|
1491 * @exception IllegalArgumentException <ul> |
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1492 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
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1493 * </ul> |
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1494 * @exception DWTException <ul> |
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1495 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
1496 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
1497 * </ul> |
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|
1498 */ |
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|
1499 public void setSelection (Point selection) { |
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|
1500 checkWidget(); |
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|
1501 if (selection is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1502 setSelection (selection.x, selection.y); |
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1503 } |
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|
1504 |
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|
1505 /** |
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|
1506 * Sets the number of tabs. |
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|
1507 * <p> |
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1508 * Tab stop spacing is specified in terms of the |
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1509 * space (' ') character. The width of a single |
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1510 * tab stop is the pixel width of the spaces. |
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|
1511 * </p> |
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|
1512 * |
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1513 * @param tabs the number of tabs |
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1514 * |
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|
1515 * </ul> |
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1516 * @exception DWTException <ul> |
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1517 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1518 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
1519 * </ul> |
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|
1520 */ |
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|
1521 public void setTabs (int tabs) { |
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1522 checkWidget(); |
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1523 if (this.tabs is tabs) return; |
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1524 // if (txnObject is 0) return; |
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1525 // this.tabs = tabs; |
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|
1526 // TXNTab tab = new TXNTab (); |
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1527 // tab.value = (short) (textExtent (new char[]{' '}, 0).x * tabs); |
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1528 // int [] tags = new int [] {OS.kTXNTabSettingsTag}; |
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1529 // int [] datas = new int [1]; |
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1530 // OS.memmove (datas, tab, TXNTab.sizeof); |
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1531 // OS.TXNSetTXNObjectControls (txnObject, false, tags.length, tags, datas); |
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|
1532 } |
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|
1533 |
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|
1534 /** |
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|
1535 * Sets the contents of the receiver to the given string. If the receiver has style |
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1536 * SINGLE and the argument contains multiple lines of text, the result of this |
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1537 * operation is undefined and may vary from platform to platform. |
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|
1538 * |
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|
1539 * @param string the new text |
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|
1540 * |
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|
1541 * @exception IllegalArgumentException <ul> |
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|
1542 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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|
1543 * </ul> |
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|
1544 * @exception DWTException <ul> |
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1545 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
1546 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
1547 * </ul> |
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|
1548 */ |
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|
1549 public void setText (String string) { |
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|
1550 checkWidget(); |
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|
1551 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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|
1552 if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1553 string = verifyText (string, 0, getCharCount (), null); |
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|
1554 if (string is null) return; |
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|
1555 } |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1556 NSString str = NSString.stringWith(string); |
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|
1557 if ((style & DWT.SINGLE) !is 0) { |
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|
1558 new NSCell(((NSTextField)view).cell()).setTitle(str); |
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|
1559 } else { |
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|
1560 ((NSTextView)view).setString(str); |
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|
1561 } |
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|
1562 sendEvent (DWT.Modify); |
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|
1563 } |
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|
1564 |
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|
1565 /** |
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|
1566 * Sets the maximum number of characters that the receiver |
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1567 * is capable of holding to be the argument. |
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|
1568 * <p> |
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1569 * Instead of trying to set the text limit to zero, consider |
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|
1570 * creating a read-only text widget. |
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|
1571 * </p><p> |
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|
1572 * To reset this value to the default, use <code>setTextLimit(Text.LIMIT)</code>. |
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1573 * Specifying a limit value larger than <code>Text.LIMIT</code> sets the |
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|
1574 * receiver's limit to <code>Text.LIMIT</code>. |
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|
1575 * </p> |
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|
1576 * |
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|
1577 * @param limit new text limit |
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|
1578 * |
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|
1579 * @exception IllegalArgumentException <ul> |
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1580 * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> |
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|
1581 * </ul> |
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|
1582 * @exception DWTException <ul> |
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|
1583 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
1584 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
1585 * </ul> |
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|
1586 * |
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|
1587 * @see #LIMIT |
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|
1588 */ |
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|
1589 public void setTextLimit (int limit) { |
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|
1590 checkWidget(); |
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|
1591 if (limit is 0) error (DWT.ERROR_CANNOT_BE_ZERO); |
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|
1592 textLimit = limit; |
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|
1593 } |
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|
1594 |
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|
1595 /** |
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1596 * Sets the zero-relative index of the line which is currently |
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1597 * at the top of the receiver. This index can change when lines |
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1598 * are scrolled or new lines are added and removed. |
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1599 * |
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|
1600 * @param index the index of the top item |
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|
1601 * |
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|
1602 * @exception DWTException <ul> |
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1603 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1604 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
1605 * </ul> |
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|
1606 */ |
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|
1607 public void setTopIndex (int index) { |
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|
1608 checkWidget(); |
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|
1609 if ((style & DWT.SINGLE) !is 0) return; |
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|
1610 //TODO no working |
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1611 NSTextView widget = (NSTextView)view; |
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1612 NSRange range = new NSRange(); |
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1613 NSRect rect = widget.firstRectForCharacterRange(range); |
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1614 view.scrollRectToVisible(rect); |
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1615 } |
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1616 |
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1617 /** |
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1618 * Shows the selection. |
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1619 * <p> |
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1620 * If the selection is already showing |
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1621 * in the receiver, this method simply returns. Otherwise, |
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1622 * lines are scrolled until the selection is visible. |
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1623 * </p> |
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1624 * |
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1625 * @exception DWTException <ul> |
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1626 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1627 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1628 * </ul> |
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1629 */ |
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1630 public void showSelection () { |
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1631 checkWidget(); |
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1632 if ((style & DWT.SINGLE) !is 0) { |
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1633 setSelection (getSelection()); |
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1634 } else { |
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1635 NSTextView widget = (NSTextView)view; |
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1636 widget.scrollRangeToVisible(widget.selectedRange()); |
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1637 } |
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1638 } |
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1639 |
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1640 int traversalCode (int key, NSEvent theEvent) { |
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1641 int bits = super.traversalCode (key, theEvent); |
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1642 if ((style & DWT.READ_ONLY) !is 0) return bits; |
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1643 if ((style & DWT.MULTI) !is 0) { |
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1644 bits &= ~DWT.TRAVERSE_RETURN; |
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1645 // if (key is 48 /* Tab */ && theEvent !is 0) { |
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1646 // int [] modifiers = new int [1]; |
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1647 // OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); |
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1648 // bool next = (modifiers [0] & OS.shiftKey) is 0; |
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1649 // if (next && (modifiers [0] & OS.controlKey) is 0) { |
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1650 // bits &= ~(DWT.TRAVERSE_TAB_NEXT | DWT.TRAVERSE_TAB_PREVIOUS); |
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1651 // } |
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1652 // } |
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1653 } |
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1654 return bits; |
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1655 } |
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1656 |
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1657 String verifyText (String string, int start, int end, Event keyEvent) { |
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1658 Event event = new Event (); |
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1659 event.text = string; |
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1660 event.start = start; |
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1661 event.end = end; |
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1662 if (keyEvent !is null) { |
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1663 event.character = keyEvent.character; |
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1664 event.keyCode = keyEvent.keyCode; |
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1665 event.stateMask = keyEvent.stateMask; |
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1666 } |
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1667 /* |
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1668 * It is possible (but unlikely), that application |
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1669 * code could have disposed the widget in the verify |
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1670 * event. If this happens, answer null to cancel |
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1671 * the operation. |
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1672 */ |
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1673 sendEvent (DWT.Verify, event); |
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1674 if (!event.doit || isDisposed ()) return null; |
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1675 return event.text; |
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1676 } |
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1677 |
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1678 } |