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annotate dwtx/jface/window/DefaultToolTip.d @ 7:8a302fdb4140

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Jface some window and resource classes
author Frank Benoit <benoit@tionex.de>
date Fri, 28 Mar 2008 23:32:40 +0100
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children ea8ff534f622
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1 /*******************************************************************************
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2 * Copyright (c) 2006, 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 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13
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14 module dwtx.jface.window.DefaultToolTip;
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15
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16 import dwt.DWT;
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17 import dwt.custom.CLabel;
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18 import dwt.graphics.Color;
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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.widgets.Composite;
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23 import dwt.widgets.Control;
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24 import dwt.widgets.Event;
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25
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26 import dwtx.jface.window.ToolTip;
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27
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28 import dwt.dwthelper.utils;
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29
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30 /**
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31 * Default implementation of ToolTip that provides an iconofied label with font
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32 * and color controls by subclass.
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33 *
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34 * @since 3.3
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35 */
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36 public class DefaultToolTip : ToolTip {
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37 private String text;
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38
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39 private Color backgroundColor;
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40
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41 private Font font;
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42
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43 private Image backgroundImage;
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44
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45 private Color foregroundColor;
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46
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47 private Image image;
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48
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49 private int style = DWT.SHADOW_NONE;
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50
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51 /**
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52 * Create new instance which add TooltipSupport to the widget
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53 *
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54 * @param control the control on whose action the tooltip is shown
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55 */
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56 public this(Control control) {
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57 super(control);
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58 }
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59
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60 /**
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61 * Create new instance which add TooltipSupport to the widget
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62 *
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63 * @param control the control to which the tooltip is bound
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64 * @param style style passed to control tooltip behaviour
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65 * @param manualActivation <code>true</code> if the activation is done manually using
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66 * {@link #show(Point)}
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67 * @see #RECREATE
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68 * @see #NO_RECREATE
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69 */
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70 public this(Control control, int style, bool manualActivation) {
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71 super(control, style, manualActivation);
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72 }
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73
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74 /**
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75 * Creates the content are of the the tooltip. By default this creates a
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76 * CLabel to display text. To customize the text Subclasses may override the
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77 * following methods
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78 * <ul>
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79 * <li>{@link #getStyle(Event)}</li>
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80 * <li>{@link #getBackgroundColor(Event)}</li>
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81 * <li>{@link #getForegroundColor(Event)}</li>
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82 * <li>{@link #getFont(Event)}</li>
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83 * <li>{@link #getImage(Event)}</li>
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84 * <li>{@link #getText(Event)}</li>
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85 * <li>{@link #getBackgroundImage(Event)}</li>
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86 * </ul>
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87 *
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88 * @param event
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89 * the event that triggered the activation of the tooltip
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90 * @param parent
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91 * the parent of the content area
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92 * @return the content area created
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93 */
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94 protected Composite createToolTipContentArea(Event event, Composite parent) {
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95 Image image = getImage(event);
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96 Image bgImage = getBackgroundImage(event);
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97 String text = getText(event);
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98 Color fgColor = getForegroundColor(event);
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99 Color bgColor = getBackgroundColor(event);
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100 Font font = getFont(event);
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101
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102 CLabel label = new CLabel(parent, getStyle(event));
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103 if (text !is null) {
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104 label.setText(text);
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105 }
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106
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107 if (image !is null) {
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108 label.setImage(image);
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109 }
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110
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111 if (fgColor !is null) {
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112 label.setForeground(fgColor);
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113 }
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114
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115 if (bgColor !is null) {
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116 label.setBackground(bgColor);
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117 }
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118
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119 if (bgImage !is null) {
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120 label.setBackgroundImage(image);
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121 }
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122
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123 if (font !is null) {
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124 label.setFont(font);
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125 }
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126
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127 return label;
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128 }
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129
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130 /**
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131 * The style used to create the {@link CLabel} in the default implementation
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132 *
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133 * @param event
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134 * the event triggered the popup of the tooltip
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135 * @return the style
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136 */
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137 protected int getStyle(Event event) {
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138 return style;
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139 }
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140
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141 /**
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142 * The {@link Image} displayed in the {@link CLabel} in the default
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143 * implementation implementation
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144 *
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145 * @param event
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146 * the event triggered the popup of the tooltip
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147 * @return the {@link Image} or <code>null</code> if no image should be
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148 * displayed
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149 */
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150 protected Image getImage(Event event) {
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151 return image;
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152 }
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153
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154 /**
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155 * The foreground {@link Color} used by {@link CLabel} in the default
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156 * implementation
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157 *
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158 * @param event
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159 * the event triggered the popup of the tooltip
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160 * @return the {@link Color} or <code>null</code> if default foreground
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161 * color should be used
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162 */
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163 protected Color getForegroundColor(Event event) {
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164 return (foregroundColor is null) ? event.widget.getDisplay()
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165 .getSystemColor(DWT.COLOR_INFO_FOREGROUND) : foregroundColor;
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166 }
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167
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168 /**
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169 * The background {@link Color} used by {@link CLabel} in the default
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170 * implementation
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171 *
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172 * @param event
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173 * the event triggered the popup of the tooltip
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174 * @return the {@link Color} or <code>null</code> if default background
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175 * color should be used
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176 */
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177 protected Color getBackgroundColor(Event event) {
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178 return (backgroundColor is null) ? event.widget.getDisplay()
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179 .getSystemColor(DWT.COLOR_INFO_BACKGROUND) : backgroundColor;
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180 }
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181
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182 /**
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183 * The background {@link Image} used by {@link CLabel} in the default
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184 * implementation
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185 *
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186 * @param event
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187 * the event triggered the popup of the tooltip
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188 * @return the {@link Image} or <code>null</code> if no image should be
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189 * displayed in the background
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190 */
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191 protected Image getBackgroundImage(Event event) {
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192 return backgroundImage;
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193 }
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194
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195 /**
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196 * The {@link Font} used by {@link CLabel} in the default implementation
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197 *
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198 * @param event
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199 * the event triggered the popup of the tooltip
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200 * @return the {@link Font} or <code>null</code> if the default font
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201 * should be used
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202 */
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203 protected Font getFont(Event event) {
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204 return font;
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205 }
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206
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207 /**
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208 * The text displayed in the {@link CLabel} in the default implementation
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209 *
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210 * @param event
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211 * the event triggered the popup of the tooltip
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212 * @return the text or <code>null</code> if no text has to be displayed
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213 */
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214 protected String getText(Event event) {
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215 return text;
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216 }
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217
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218 /**
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219 * The background {@link Image} used by {@link CLabel} in the default
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220 * implementation
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221 *
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222 * @param backgroundColor
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223 * the {@link Color} or <code>null</code> if default background
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224 * color ({@link DWT#COLOR_INFO_BACKGROUND}) should be used
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225 */
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226 public void setBackgroundColor(Color backgroundColor) {
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227 this.backgroundColor = backgroundColor;
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228 }
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229
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230 /**
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231 * The background {@link Image} used by {@link CLabel} in the default
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232 * implementation
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233 *
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234 * @param backgroundImage
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235 * the {@link Image} or <code>null</code> if no image should be
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236 * displayed in the background
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237 */
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238 public void setBackgroundImage(Image backgroundImage) {
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239 this.backgroundImage = backgroundImage;
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240 }
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241
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242 /**
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243 * The {@link Font} used by {@link CLabel} in the default implementation
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244 *
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245 * @param font
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246 * the {@link Font} or <code>null</code> if the default font
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247 * should be used
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248 */
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249 public void setFont(Font font) {
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250 this.font = font;
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251 }
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252
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253 /**
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254 * The foreground {@link Color} used by {@link CLabel} in the default
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255 * implementation
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256 *
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257 * @param foregroundColor
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258 * the {@link Color} or <code>null</code> if default foreground
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259 * color should be used
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260 */
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261 public void setForegroundColor(Color foregroundColor) {
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262 this.foregroundColor = foregroundColor;
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263 }
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264
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265 /**
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266 * The {@link Image} displayed in the {@link CLabel} in the default
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267 * implementation implementation
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268 *
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269 * @param image
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270 * the {@link Image} or <code>null</code> if no image should be
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271 * displayed
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272 */
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273 public void setImage(Image image) {
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274 this.image = image;
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275 }
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276
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277 /**
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278 * The style used to create the {@link CLabel} in the default implementation
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279 *
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280 * @param style
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281 * the event triggered the popup of the tooltip
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282 */
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283 public void setStyle(int style) {
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284 this.style = style;
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285 }
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286
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287 /**
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288 * The text displayed in the {@link CLabel} in the default implementation
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289 *
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290 * @param text
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291 * the text or <code>null</code> if no text has to be displayed
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292 */
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293 public void setText(String text) {
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294 this.text = text;
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295 }
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296
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297 }