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annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/layout/RowLayout.d @ 0:6dd524f61e62

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add dwt win and basic java stuff
author Frank Benoit <benoit@tionex.de>
date Mon, 02 Mar 2009 14:44:16 +0100
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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 * 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 module org.eclipse.swt.layout.RowLayout;
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14
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15 import org.eclipse.swt.SWT;
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16 import org.eclipse.swt.graphics.Point;
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17 import org.eclipse.swt.graphics.Rectangle;
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18 import org.eclipse.swt.widgets.Control;
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19 import org.eclipse.swt.widgets.Layout;
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20 import org.eclipse.swt.widgets.Composite;
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21 import org.eclipse.swt.layout.RowData;
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22 import tango.util.Convert;
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23 import Math = tango.math.Math;
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24 import java.lang.all;
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25
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26
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27 /**
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28 * Instances of this class determine the size and position of the
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29 * children of a <code>Composite</code> by placing them either in
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30 * horizontal rows or vertical columns within the parent <code>Composite</code>.
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31 * <p>
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32 * <code>RowLayout</code> aligns all controls in one row if the
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33 * <code>type</code> is set to horizontal, and one column if it is
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34 * set to vertical. It has the ability to wrap, and provides configurable
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35 * margins and spacing. <code>RowLayout</code> has a number of configuration
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36 * fields. In addition, the height and width of each control in a
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37 * <code>RowLayout</code> can be specified by setting a <code>RowData</code>
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38 * object into the control using <code>setLayoutData ()</code>.
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39 * </p>
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40 * <p>
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41 * The following example code creates a <code>RowLayout</code>, sets all
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42 * of its fields to non-default values, and then sets it into a
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43 * <code>Shell</code>.
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44 * <pre>
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45 * RowLayout rowLayout = new RowLayout();
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46 * rowLayout.wrap = false;
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47 * rowLayout.pack = false;
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48 * rowLayout.justify = true;
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49 * rowLayout.type = SWT.VERTICAL;
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50 * rowLayout.marginLeft = 5;
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51 * rowLayout.marginTop = 5;
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52 * rowLayout.marginRight = 5;
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53 * rowLayout.marginBottom = 5;
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54 * rowLayout.spacing = 0;
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55 * shell.setLayout(rowLayout);
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56 * </pre>
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57 * If you are using the default field values, you only need one line of code:
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58 * <pre>
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59 * shell.setLayout(new RowLayout());
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60 * </pre>
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61 * </p>
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62 *
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63 * @see RowData
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64 * @see <a href="http://www.eclipse.org/swt/snippets/#rowlayout">RowLayout snippets</a>
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65 * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: LayoutExample</a>
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66 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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67 */
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68 public final class RowLayout : Layout {
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69
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70 /**
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71 * type specifies whether the layout places controls in rows or
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72 * columns.
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73 *
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74 * The default value is HORIZONTAL.
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75 *
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76 * Possible values are: <ul>
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77 * <li>HORIZONTAL: Position the controls horizontally from left to right</li>
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78 * <li>VERTICAL: Position the controls vertically from top to bottom</li>
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79 * </ul>
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80 *
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81 * @since 2.0
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82 */
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83 public int type = SWT.HORIZONTAL;
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84
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85 /**
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86 * marginWidth specifies the number of pixels of horizontal margin
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87 * that will be placed along the left and right edges of the layout.
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88 *
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89 * The default value is 0.
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90 *
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91 * @since 3.0
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92 */
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93 public int marginWidth = 0;
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94
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95 /**
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96 * marginHeight specifies the number of pixels of vertical margin
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97 * that will be placed along the top and bottom edges of the layout.
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98 *
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99 * The default value is 0.
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100 *
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101 * @since 3.0
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102 */
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103 public int marginHeight = 0;
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104
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105 /**
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106 * spacing specifies the number of pixels between the edge of one cell
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107 * and the edge of its neighbouring cell.
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108 *
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109 * The default value is 3.
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110 */
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111 public int spacing = 3;
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112
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113 /**
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114 * wrap specifies whether a control will be wrapped to the next
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115 * row if there is insufficient space on the current row.
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116 *
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117 * The default value is true.
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118 */
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119 public bool wrap = true;
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120
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121 /**
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122 * pack specifies whether all controls in the layout take
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123 * their preferred size. If pack is false, all controls will
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124 * have the same size which is the size required to accommodate the
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125 * largest preferred height and the largest preferred width of all
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126 * the controls in the layout.
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127 *
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128 * The default value is true.
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129 */
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130 public bool pack = true;
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131
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132 /**
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133 * fill specifies whether the controls in a row should be
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134 * all the same height for horizontal layouts, or the same
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135 * width for vertical layouts.
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136 *
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137 * The default value is false.
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138 *
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139 * @since 3.0
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140 */
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141 public bool fill = false;
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142
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143 /**
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144 * center specifies whether the controls in a row should be
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145 * centered vertically in each cell for horizontal layouts,
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146 * or centered horizontally in each cell for vertical layouts.
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147 *
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148 * The default value is false.
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149 *
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150 * @since 3.4
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151 */
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152 public bool center = false;
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153
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154 /**
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155 * justify specifies whether the controls in a row should be
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156 * fully justified, with any extra space placed between the controls.
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157 *
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158 * The default value is false.
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159 */
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160 public bool justify = false;
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161
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162 /**
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163 * marginLeft specifies the number of pixels of horizontal margin
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164 * that will be placed along the left edge of the layout.
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165 *
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166 * The default value is 3.
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167 */
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168 public int marginLeft = 3;
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169
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170 /**
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171 * marginTop specifies the number of pixels of vertical margin
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172 * that will be placed along the top edge of the layout.
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173 *
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174 * The default value is 3.
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175 */
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176 public int marginTop = 3;
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177
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178 /**
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179 * marginRight specifies the number of pixels of horizontal margin
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180 * that will be placed along the right edge of the layout.
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181 *
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182 * The default value is 3.
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183 */
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184 public int marginRight = 3;
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185
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186 /**
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187 * marginBottom specifies the number of pixels of vertical margin
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188 * that will be placed along the bottom edge of the layout.
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189 *
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190 * The default value is 3.
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191 */
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192 public int marginBottom = 3;
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193
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194 /**
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195 * Constructs a new instance of this class.
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196 */
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197 public this () {
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198 }
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199
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200 /**
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201 * Constructs a new instance of this class given the type.
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202 *
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203 * @param type the type of row layout
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204 *
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205 * @since 2.0
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206 */
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207 public this (int type) {
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208 this.type = type;
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209 }
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210
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211 override protected Point computeSize (Composite composite, int wHint, int hHint, bool flushCache_) {
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212 Point extent;
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213 if (type is SWT.HORIZONTAL) {
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214 extent = layoutHorizontal (composite, false, (wHint !is SWT.DEFAULT) && wrap, wHint, flushCache_);
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215 } else {
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216 extent = layoutVertical (composite, false, (hHint !is SWT.DEFAULT) && wrap, hHint, flushCache_);
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217 }
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218 if (wHint !is SWT.DEFAULT) extent.x = wHint;
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219 if (hHint !is SWT.DEFAULT) extent.y = hHint;
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220 return extent;
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221 }
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222
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223 Point computeSize (Control control, bool flushCache_) {
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224 int wHint = SWT.DEFAULT, hHint = SWT.DEFAULT;
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225 RowData data = cast(RowData) control.getLayoutData ();
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226 if (data !is null) {
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227 wHint = data.width;
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228 hHint = data.height;
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229 }
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230 return control.computeSize (wHint, hHint, flushCache_);
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231 }
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232
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233 override protected bool flushCache (Control control) {
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234 return true;
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235 }
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236
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237 String getName () {
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238 String string = this.classinfo.name;
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239 int index = string.lastIndexOf('.');
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240 if (index is -1 ) return string;
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241 return string[ index + 1 .. string.length ];
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242 }
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243
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244 override protected void layout (Composite composite, bool flushCache_) {
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245 Rectangle clientArea = composite.getClientArea ();
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246 if (type is SWT.HORIZONTAL) {
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247 layoutHorizontal (composite, true, wrap, clientArea.width, flushCache_);
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248 } else {
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249 layoutVertical (composite, true, wrap, clientArea.height, flushCache_);
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250 }
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251 }
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252
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253 Point layoutHorizontal (Composite composite, bool move, bool wrap, int width, bool flushCache_) {
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254 Control [] children = composite.getChildren ();
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255 int count = 0;
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256 for (int i=0; i<children.length; i++) {
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257 Control control = children [i];
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258 RowData data = cast(RowData) control.getLayoutData ();
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259 if (data is null || !data.exclude) {
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260 children [count++] = children [i];
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261 }
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262 }
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263 if (count is 0) {
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264 return new Point (marginLeft + marginWidth * 2 + marginRight, marginTop + marginHeight * 2 + marginBottom);
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265 }
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266 int childWidth = 0, childHeight = 0, maxHeight = 0;
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267 if (!pack) {
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268 for (int i=0; i<count; i++) {
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269 Control child = children [i];
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270 Point size = computeSize (child, flushCache_);
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271 childWidth = Math.max (childWidth, size.x);
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272 childHeight = Math.max (childHeight, size.y);
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273 }
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274 maxHeight = childHeight;
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275 }
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276 int clientX = 0, clientY = 0;
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277 if (move) {
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278 Rectangle rect = composite.getClientArea ();
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279 clientX = rect.x;
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280 clientY = rect.y;
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281 }
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282 int [] wraps = null;
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283 bool wrapped = false;
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284 Rectangle [] bounds = null;
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285 if (move && (justify || fill || center)) {
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286 bounds = new Rectangle [count];
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287 wraps = new int [count];
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288 }
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289 int maxX = 0, x = marginLeft + marginWidth, y = marginTop + marginHeight;
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290 for (int i=0; i<count; i++) {
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291 Control child = children [i];
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292 if (pack) {
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293 Point size = computeSize (child, flushCache_);
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294 childWidth = size.x;
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295 childHeight = size.y;
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296 }
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297 if (wrap && (i !is 0) && (x + childWidth > width)) {
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298 wrapped = true;
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299 if (move && (justify || fill || center)) wraps [i - 1] = maxHeight;
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300 x = marginLeft + marginWidth;
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301 y += spacing + maxHeight;
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302 if (pack) maxHeight = 0;
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303 }
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304 if (pack || fill || center) {
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305 maxHeight = Math.max (maxHeight, childHeight);
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306 }
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307 if (move) {
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308 int childX = x + clientX, childY = y + clientY;
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309 if (justify || fill || center) {
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310 bounds [i] = new Rectangle (childX, childY, childWidth, childHeight);
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311 } else {
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312 child.setBounds (childX, childY, childWidth, childHeight);
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313 }
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314 }
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315 x += spacing + childWidth;
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316 maxX = Math.max (maxX, x);
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317 }
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318 maxX = Math.max (clientX + marginLeft + marginWidth, maxX - spacing);
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319 if (!wrapped) maxX += marginRight + marginWidth;
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diff changeset
320 if (move && (justify || fill || center)) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
321 int space = 0, margin = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
322 if (!wrapped) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
323 space = Math.max (0, (width - maxX) / (count + 1));
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
324 margin = Math.max (0, ((width - maxX) % (count + 1)) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
325 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
326 if (fill || justify || center) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
327 int last = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
328 if (count > 0) wraps [count - 1] = maxHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
329 for (int i=0; i<count; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
330 if (wraps [i] !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
331 int wrapCount = i - last + 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
332 if (justify) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
333 int wrapX = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
334 for (int j=last; j<=i; j++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
335 wrapX += bounds [j].width + spacing;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
336 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
337 space = Math.max (0, (width - wrapX) / (wrapCount + 1));
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
338 margin = Math.max (0, ((width - wrapX) % (wrapCount + 1)) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
339 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
340 for (int j=last; j<=i; j++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
341 if (justify) bounds [j].x += (space * (j - last + 1)) + margin;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
342 if (fill) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
343 bounds [j].height = wraps [i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
344 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
345 if (center) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
346 bounds [j].y += Math.max (0, (wraps [i] - bounds [j].height) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
347 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
348 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
349 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
350 last = i + 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
351 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
352 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
353 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
354 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
355 for (int i=0; i<count; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 if (!wrapped) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
357 if (justify) bounds [i].x += (space * (i + 1)) + margin;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
358 if (fill) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
359 bounds [i].height = maxHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
361 if (center) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
362 bounds [i].y += Math.max (0, (maxHeight - bounds [i].height) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
363 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
365 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
366 children [i].setBounds (bounds [i]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
367 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
368 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
369 return new Point (maxX, y + maxHeight + marginBottom + marginHeight);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
370 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
371
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
372 Point layoutVertical (Composite composite, bool move, bool wrap, int height, bool flushCache_) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 Control [] children = composite.getChildren ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
374 int count = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375 for (int i=0; i<children.length; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
376 Control control = children [i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 RowData data = cast(RowData) control.getLayoutData ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
378 if (data is null || !data.exclude) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
379 children [count++] = children [i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
380 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
381 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382 if (count is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 return new Point (marginLeft + marginWidth * 2 + marginRight, marginTop + marginHeight * 2 + marginBottom);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385 int childWidth = 0, childHeight = 0, maxWidth = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386 if (!pack) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 for (int i=0; i<count; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388 Control child = children [i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 Point size = computeSize (child, flushCache_);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 childWidth = Math.max (childWidth, size.x);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
391 childHeight = Math.max (childHeight, size.y);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 maxWidth = childWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 int clientX = 0, clientY = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 if (move) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
397 Rectangle rect = composite.getClientArea ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398 clientX = rect.x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 clientY = rect.y;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 int [] wraps = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 bool wrapped = false;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 Rectangle [] bounds = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 if (move && (justify || fill || center)) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
405 bounds = new Rectangle [count];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
406 wraps = new int [count];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
408 int maxY = 0, x = marginLeft + marginWidth, y = marginTop + marginHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 for (int i=0; i<count; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410 Control child = children [i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 if (pack) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 Point size = computeSize (child, flushCache_);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 childWidth = size.x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
414 childHeight = size.y;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
415 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
416 if (wrap && (i !is 0) && (y + childHeight > height)) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 wrapped = true;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
418 if (move && (justify || fill || center)) wraps [i - 1] = maxWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
419 x += spacing + maxWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
420 y = marginTop + marginHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 if (pack) maxWidth = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 if (pack || fill || center) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
424 maxWidth = Math.max (maxWidth, childWidth);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
426 if (move) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
427 int childX = x + clientX, childY = y + clientY;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
428 if (justify || fill || center) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
429 bounds [i] = new Rectangle (childX, childY, childWidth, childHeight);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
430 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
431 child.setBounds (childX, childY, childWidth, childHeight);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
432 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
433 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
434 y += spacing + childHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
435 maxY = Math.max (maxY, y);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
436 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
437 maxY = Math.max (clientY + marginTop + marginHeight, maxY - spacing);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
438 if (!wrapped) maxY += marginBottom + marginHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
439 if (move && (justify || fill || center)) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
440 int space = 0, margin = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
441 if (!wrapped) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
442 space = Math.max (0, (height - maxY) / (count + 1));
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
443 margin = Math.max (0, ((height - maxY) % (count + 1)) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
444 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
445 if (fill || justify || center) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
446 int last = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
447 if (count > 0) wraps [count - 1] = maxWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
448 for (int i=0; i<count; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
449 if (wraps [i] !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
450 int wrapCount = i - last + 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
451 if (justify) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
452 int wrapY = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
453 for (int j=last; j<=i; j++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
454 wrapY += bounds [j].height + spacing;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
455 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
456 space = Math.max (0, (height - wrapY) / (wrapCount + 1));
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
457 margin = Math.max (0, ((height - wrapY) % (wrapCount + 1)) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
458 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
459 for (int j=last; j<=i; j++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
460 if (justify) bounds [j].y += (space * (j - last + 1)) + margin;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
461 if (fill) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
462 bounds [j].width = wraps [i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
463 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
464 if (center) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
465 bounds [j].x += Math.max (0, (wraps [i] - bounds [j].width) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
466 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
467 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
468 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
469 last = i + 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
470 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
471 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
472 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
473 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
474 for (int i=0; i<count; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
475 if (!wrapped) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
476 if (justify) bounds [i].y += (space * (i + 1)) + margin;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
477 if (fill) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
478 bounds [i].width = maxWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
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479 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
480 if (center) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
481 bounds [i].x += Math.max (0, (maxWidth - bounds [i].width) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
482 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
483 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
484
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
485 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
486 children [i].setBounds (bounds [i]);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
487 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
488 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
489 return new Point (x + maxWidth + marginRight + marginWidth, maxY);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
490 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
491
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
492 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
493 * Returns a string containing a concise, human-readable
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
494 * description of the receiver.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
495 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
496 * @return a string representation of the layout
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
497 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
498 override public String toString () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
499 String string = getName ()~" {";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
500 string ~= "type="~((type !is SWT.HORIZONTAL) ? "SWT.VERTICAL" : "SWT.HORIZONTAL")~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
501 if (marginWidth !is 0) string ~= "marginWidth="~to!(String)(marginWidth)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
502 if (marginHeight !is 0) string ~= "marginHeight="~to!(String)(marginHeight)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
503 if (marginLeft !is 0) string ~= "marginLeft="~to!(String)(marginLeft)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
504 if (marginTop !is 0) string ~= "marginTop="~to!(String)(marginTop)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
505 if (marginRight !is 0) string ~= "marginRight="~to!(String)(marginRight)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
506 if (marginBottom !is 0) string ~= "marginBottom="~to!(String)(marginBottom)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
507 if (spacing !is 0) string ~= "spacing="~to!(String)(spacing)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
508 string ~= "wrap="~to!(String)(wrap)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
509 string ~= "pack="~to!(String)(pack)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
510 string ~= "fill="~to!(String)(fill)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
511 string ~= "justify="~to!(String)(justify)~" ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
512 string = string.trim();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
513 string ~= "}";
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
514 return string;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
515 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
516 }