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Fixes to get dwt to work with dmd and ldc
author Jacob Carlborg <doob@me.com>
date Wed, 08 Jul 2009 21:56:44 +0200
parents ad4e1fe71a5a
children
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2008 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *
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11 * Port to the D programming language:
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12 * Jacob Carlborg <doob@me.com>
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13 *******************************************************************************/
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14 module dwt.widgets.Caret;
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16
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17 import dwt.DWT;
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18 import dwt.DWTException;
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19 import dwt.graphics.Font;
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20 import dwt.graphics.Image;
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21 import dwt.graphics.Point;
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22 import dwt.graphics.Rectangle;
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23 import dwt.internal.cocoa.NSRect;
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24 import dwt.internal.cocoa.NSSize;
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26 import dwt.dwthelper.utils;
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27 import dwt.widgets.Canvas;
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28 import dwt.widgets.Widget;
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29
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30 /**
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31 * Instances of this class provide an i-beam that is typically used
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32 * as the insertion point for text.
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33 * <dl>
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34 * <dt><b>Styles:</b></dt>
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35 * <dd>(none)</dd>
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36 * <dt><b>Events:</b></dt>
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37 * <dd>(none)</dd>
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38 * </dl>
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39 * <p>
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40 * IMPORTANT: This class is intended to be subclassed <em>only</em>
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41 * within the DWT implementation.
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42 * </p>
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43 *
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44 * @see <a href="http://www.eclipse.org/swt/snippets/#caret">Caret snippets</a>
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45 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample, Canvas tab</a>
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46 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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47 */
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48 public class Caret : Widget {
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49 Canvas parent;
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50 int x, y, width, height;
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51 bool isVisible_, isShowing;
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52 int blinkRate;
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53 Image image;
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54 Font font;
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56 static const int DEFAULT_WIDTH = 1;
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57
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58 /**
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59 * Constructs a new instance of this class given its parent
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60 * and a style value describing its behavior and appearance.
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61 * <p>
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62 * The style value is either one of the style constants defined in
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63 * class <code>DWT</code> which is applicable to instances of this
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64 * class, or must be built by <em>bitwise OR</em>'ing together
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65 * (that is, using the <code>int</code> "|" operator) two or more
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66 * of those <code>DWT</code> style constants. The class description
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67 * lists the style constants that are applicable to the class.
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68 * Style bits are also inherited from superclasses.
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69 * </p>
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70 *
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71 * @param parent a composite control which will be the parent of the new instance (cannot be null)
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72 * @param style the style of control to construct
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73 *
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74 * @exception IllegalArgumentException <ul>
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75 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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76 * </ul>
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77 * @exception DWTException <ul>
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78 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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79 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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80 * </ul>
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81 *
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82 * @see DWT
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83 * @see Widget#checkSubclass
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84 * @see Widget#getStyle
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85 */
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86 public this (Canvas parent, int style) {
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87 super (parent, style);
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88 this.parent = parent;
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89 createWidget ();
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90 }
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91
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92 bool blinkCaret () {
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93 if (!isVisible_) return true;
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94 if (!isShowing) return showCaret ();
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95 if (blinkRate is 0) return true;
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96 return hideCaret ();
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97 }
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98
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99 void createWidget () {
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100 super.createWidget ();
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101 blinkRate = display.getCaretBlinkTime ();
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102 isVisible_ = true;
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103 if (parent.getCaret () is null) {
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104 parent.setCaret (this);
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105 }
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106 }
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107
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108 bool drawCaret () {
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109 if (parent is null) return false;
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110 if (parent.isDisposed ()) return false;
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111 int nWidth = width, nHeight = height;
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112 if (nWidth <= 0) nWidth = DEFAULT_WIDTH;
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113 if (image !is null) {
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114 NSSize size = image.handle.size();
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115 nWidth = cast(int)size.width;
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116 nHeight = cast(int)size.height;
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117 }
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118 NSRect rect = NSRect();
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119 rect.x = x;
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120 rect.y = y;
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121 rect.width = nWidth;
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122 rect.height = nHeight;
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123 parent.view.setNeedsDisplayInRect(rect);
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124 return true;
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125 }
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126
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127 /**
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128 * Returns a rectangle describing the receiver's size and location
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129 * relative to its parent (or its display if its parent is null).
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130 *
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131 * @return the receiver's bounding rectangle
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132 *
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133 * @exception DWTException <ul>
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134 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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135 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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136 * </ul>
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137 */
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138 public Rectangle getBounds () {
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139 checkWidget();
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140 if (image !is null) {
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141 Rectangle rect = image.getBounds ();
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142 return new Rectangle (x, y, rect.width, rect.height);
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143 } else {
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144 if (width is 0) {
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145 return new Rectangle (x, y, DEFAULT_WIDTH, height);
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146 }
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147 }
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148 return new Rectangle (x, y, width, height);
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149 }
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150
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151 /**
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152 * Returns the font that the receiver will use to paint textual information.
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153 *
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154 * @return the receiver's font
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155 *
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156 * @exception DWTException <ul>
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157 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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158 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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159 * </ul>
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160 */
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161 public Font getFont () {
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162 checkWidget();
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163 if (font !is null) return font;
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164 return parent.getFont ();
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165 }
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166
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167 /**
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168 * Returns the image that the receiver will use to paint the caret.
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169 *
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170 * @return the receiver's image
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171 *
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172 * @exception DWTException <ul>
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173 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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174 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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175 * </ul>
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176 */
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177 public Image getImage () {
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178 checkWidget();
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179 return image;
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180 }
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181
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182 /**
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183 * Returns a point describing the receiver's location relative
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184 * to its parent (or its display if its parent is null).
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185 *
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186 * @return the receiver's location
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187 *
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188 * @exception DWTException <ul>
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189 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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190 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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191 * </ul>
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192 */
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193 public Point getLocation () {
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194 checkWidget();
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195 return new Point (x, y);
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196 }
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197
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198 /**
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199 * Returns the receiver's parent, which must be a <code>Canvas</code>.
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200 *
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201 * @return the receiver's parent
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202 *
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203 * @exception DWTException <ul>
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204 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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205 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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206 * </ul>
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207 */
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208 public Canvas getParent () {
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209 checkWidget();
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210 return parent;
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211 }
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212
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213 /**
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214 * Returns a point describing the receiver's size.
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215 *
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216 * @return the receiver's size
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217 *
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218 * @exception DWTException <ul>
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219 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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220 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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221 * </ul>
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222 */
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223 public Point getSize () {
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224 checkWidget();
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225 if (image !is null) {
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226 Rectangle rect = image.getBounds ();
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227 return new Point (rect.width, rect.height);
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228 } else {
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229 if (width is 0) {
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230 return new Point (DEFAULT_WIDTH, height);
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231 }
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232 }
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233 return new Point (width, height);
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234 }
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235
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236 /**
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237 * Returns <code>true</code> if the receiver is visible, and
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238 * <code>false</code> otherwise.
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239 * <p>
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240 * If one of the receiver's ancestors is not visible or some
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241 * other condition makes the receiver not visible, this method
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242 * may still indicate that it is considered visible even though
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243 * it may not actually be showing.
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244 * </p>
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245 *
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246 * @return the receiver's visibility state
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247 *
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248 * @exception DWTException <ul>
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249 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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250 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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251 * </ul>
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252 */
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253 public bool getVisible () {
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254 checkWidget();
36
db5a898b2119 Fixed a lot of compile errors
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255 return isVisible_;
0
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256 }
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257
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258 bool hideCaret () {
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259 if (!isShowing) return true;
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260 isShowing = false;
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261 return drawCaret ();
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262 }
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263
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264 /**
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265 * Returns <code>true</code> if the receiver is visible and all
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266 * of the receiver's ancestors are visible and <code>false</code>
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267 * otherwise.
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268 *
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269 * @return the receiver's visibility state
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270 *
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271 * @exception DWTException <ul>
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272 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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273 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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274 * </ul>
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275 *
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276 * @see #getVisible
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277 */
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278 public bool isVisible () {
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279 checkWidget();
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280 return isVisible_ && parent.isVisible () && parent.hasFocus ();
0
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281 }
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282
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283 bool isFocusCaret () {
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284 return this is display.currentCaret;
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285 }
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286
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287 void killFocus () {
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288 if (display.currentCaret !is this) return;
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289 display.setCurrentCaret (null);
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290 if (isVisible_) hideCaret ();
0
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291 }
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292
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293 void releaseParent () {
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294 super.releaseParent ();
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295 if (this is parent.getCaret ()) parent.setCaret (null);
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296 }
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297
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298 void releaseWidget () {
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299 super.releaseWidget ();
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300 if (display.currentCaret is this) {
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301 hideCaret ();
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302 display.setCurrentCaret (null);
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303 }
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304 parent = null;
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305 image = null;
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306 }
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307
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308 /**
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309 * Sets the receiver's size and location to the rectangular
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310 * area specified by the arguments. The <code>x</code> and
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311 * <code>y</code> arguments are relative to the receiver's
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312 * parent (or its display if its parent is null).
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313 *
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314 * @param x the new x coordinate for the receiver
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315 * @param y the new y coordinate for the receiver
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316 * @param width the new width for the receiver
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317 * @param height the new height for the receiver
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318 *
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319 * @exception DWTException <ul>
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320 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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321 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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322 * </ul>
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323 */
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324 public void setBounds (int x, int y, int width, int height) {
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325 checkWidget();
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326 if (this.x is x && this.y is y && this.width is width && this.height is height) return;
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327 bool isFocus = isFocusCaret ();
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328 if (isFocus && isVisible_) hideCaret ();
0
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329 this.x = x;
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330 this.y = y;
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331 this.width = width;
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332 this.height = height;
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333 if (isFocus && isVisible_) showCaret ();
0
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334 }
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335
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336 /**
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337 * Sets the receiver's size and location to the rectangular
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338 * area specified by the argument. The <code>x</code> and
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339 * <code>y</code> fields of the rectangle are relative to
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340 * the receiver's parent (or its display if its parent is null).
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341 *
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342 * @param rect the new bounds for the receiver
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343 *
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344 * @exception DWTException <ul>
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345 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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346 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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347 * </ul>
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348 */
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349 public void setBounds (Rectangle rect) {
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350 checkWidget();
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351 if (rect is null) error (DWT.ERROR_NULL_ARGUMENT);
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352 setBounds (rect.x, rect.y, rect.width, rect.height);
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353 }
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354
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355 void setFocus () {
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356 if (display.currentCaret is this) return;
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357 display.setCurrentCaret (this);
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358 if (isVisible_) showCaret ();
0
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359 }
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360
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361 /**
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362 * Sets the font that the receiver will use to paint textual information
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363 * to the font specified by the argument, or to the default font for that
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364 * kind of control if the argument is null.
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365 *
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366 * @param font the new font (or null)
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367 *
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368 * @exception IllegalArgumentException <ul>
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369 * <li>ERROR_INVALID_ARGUMENT - if the font has been disposed</li>
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370 * </ul>
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371 * @exception DWTException <ul>
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372 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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373 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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374 * </ul>
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375 */
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376 public void setFont (Font font) {
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377 checkWidget();
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378 if (font !is null && font.isDisposed ()) {
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379 error (DWT.ERROR_INVALID_ARGUMENT);
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380 }
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381 this.font = font;
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382 }
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383
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384 /**
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385 * Sets the image that the receiver will use to paint the caret
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386 * to the image specified by the argument, or to the default
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387 * which is a filled rectangle if the argument is null
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388 *
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parents:
diff changeset
389 * @param image the new image (or null)
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
390 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
391 * @exception IllegalArgumentException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
392 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
393 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
394 * @exception DWTException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
395 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
396 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
397 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
398 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
399 public void setImage (Image image) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
400 checkWidget();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
401 if (image !is null && image.isDisposed ()) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
402 error (DWT.ERROR_INVALID_ARGUMENT);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
403 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
404 bool isFocus = isFocusCaret ();
36
db5a898b2119 Fixed a lot of compile errors
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 17
diff changeset
405 if (isFocus && isVisible_) hideCaret ();
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
406 this.image = image;
36
db5a898b2119 Fixed a lot of compile errors
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 17
diff changeset
407 if (isFocus && isVisible_) showCaret ();
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
408 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
409
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
410 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
411 * Sets the receiver's location to the point specified by
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
412 * the arguments which are relative to the receiver's
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
413 * parent (or its display if its parent is null).
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
414 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
415 * @param x the new x coordinate for the receiver
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
416 * @param y the new y coordinate for the receiver
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
417 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
418 * @exception DWTException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
419 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
420 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
421 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
422 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
423 public void setLocation (int x, int y) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
424 checkWidget();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
425 setBounds (x, y, width, height);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
426 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
427
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
428 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
429 * Sets the receiver's location to the point specified by
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
430 * the argument which is relative to the receiver's
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
431 * parent (or its display if its parent is null).
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
432 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
433 * @param location the new location for the receiver
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
434 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
435 * @exception DWTException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
436 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
437 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
438 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
439 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
440 public void setLocation (Point location) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
441 checkWidget();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
442 if (location is null) error (DWT.ERROR_NULL_ARGUMENT);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
443 setLocation (location.x, location.y);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
444 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
445
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
446 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
447 * Sets the receiver's size to the point specified by the arguments.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
448 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
449 * @param width the new width for the receiver
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
450 * @param height the new height for the receiver
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
451 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
452 * @exception DWTException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
453 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
454 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
455 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
456 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
457 public void setSize (int width, int height) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
458 checkWidget();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
459 setBounds (x, y, width, height);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
460 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
461
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
462 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
463 * Sets the receiver's size to the point specified by the argument.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
464 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
465 * @param size the new extent for the receiver
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
466 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
467 * @exception IllegalArgumentException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
468 * <li>ERROR_NULL_ARGUMENT - if the point is null</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
469 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
470 * @exception DWTException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
471 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
472 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
473 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
474 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
475 public void setSize (Point size) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
476 checkWidget();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
477 if (size is null) error (DWT.ERROR_NULL_ARGUMENT);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
478 setSize (size.x, size.y);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
479 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
480
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
481 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
482 * Marks the receiver as visible if the argument is <code>true</code>,
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
483 * and marks it invisible otherwise.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
484 * <p>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
485 * If one of the receiver's ancestors is not visible or some
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
486 * other condition makes the receiver not visible, marking
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
487 * it visible may not actually cause it to be displayed.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
488 * </p>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
489 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
490 * @param visible the new visibility state
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
491 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
492 * @exception DWTException <ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
493 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
494 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
495 * </ul>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
496 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
497 public void setVisible (bool visible) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
498 checkWidget();
36
db5a898b2119 Fixed a lot of compile errors
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 17
diff changeset
499 if (visible is isVisible_) return;
db5a898b2119 Fixed a lot of compile errors
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 17
diff changeset
500 isVisible_ = visible;
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
501 if (!isFocusCaret ()) return;
36
db5a898b2119 Fixed a lot of compile errors
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 17
diff changeset
502 if (isVisible_) {
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
503 showCaret ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
504 } else {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
505 hideCaret ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
506 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
507 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
508
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
509 bool showCaret () {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
510 if (isShowing) return true;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
511 isShowing = true;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
512 return drawCaret ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
513 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
514
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
515 }