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annotate dwt/layout/RowData.d @ 45:d8635bb48c7c

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Merge with SWT 3.5
author Jacob Carlborg <doob@me.com>
date Mon, 01 Dec 2008 17:07:00 +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 dwt.layout.RowData;
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15 import dwt.DWT;
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16 import dwt.graphics.Point;
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17 import dwt.widgets.Control;
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19 import tango.util.Convert;
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20 import dwt.dwthelper.utils;
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21
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22 /**
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23 * Each control controlled by a <code>RowLayout</code> can have its initial
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24 * width and height specified by setting a <code>RowData</code> object
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25 * into the control.
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26 * <p>
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27 * The following code uses a <code>RowData</code> object to change the initial
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28 * size of a <code>Button</code> in a <code>Shell</code>:
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29 * <pre>
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30 * Display display = new Display();
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31 * Shell shell = new Shell(display);
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32 * shell.setLayout(new RowLayout());
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33 * Button button1 = new Button(shell, DWT.PUSH);
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34 * button1.setText("Button 1");
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35 * button1.setLayoutData(new RowData(50, 40));
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36 * </pre>
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37 * </p>
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38 *
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39 * @see RowLayout
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40 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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41 */
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42 public final class RowData {
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43 /**
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44 * width specifies the desired width in pixels. This value
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45 * is the wHint passed into Control.computeSize(int, int, bool)
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46 * to determine the preferred size of the control.
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47 *
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48 * The default value is DWT.DEFAULT.
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49 *
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50 * @see dwt.widgets.Control#computeSize(int, int, bool)
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51 */
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52 public int width = DWT.DEFAULT;
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53 /**
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54 * height specifies the preferred height in pixels. This value
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55 * is the hHint passed into Control.computeSize(int, int, bool)
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56 * to determine the preferred size of the control.
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57 *
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58 * The default value is DWT.DEFAULT.
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59 *
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60 * @see dwt.widgets.Control#computeSize(int, int, bool)
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61 */
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62 public int height = DWT.DEFAULT;
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63
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64 /**
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65 * exclude informs the layout to ignore this control when sizing
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66 * and positioning controls. If this value is <code>true</code>,
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67 * the size and position of the control will not be managed by the
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68 * layout. If this value is <code>false</code>, the size and
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69 * position of the control will be computed and assigned.
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70 *
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71 * The default value is <code>false</code>.
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72 *
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73 * @since 3.1
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74 */
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75 public bool exclude = false;
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76
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77 /**
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78 * Constructs a new instance of RowData using
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79 * default values.
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80 */
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81 public this () {
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82 }
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83
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84 /**
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85 * Constructs a new instance of RowData according to the parameters.
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86 * A value of DWT.DEFAULT indicates that no minimum width or
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87 * no minimum height is specified.
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88 *
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89 * @param width a minimum width for the control
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90 * @param height a minimum height for the control
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91 */
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92 public this (int width, int height) {
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93 this.width = width;
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94 this.height = height;
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95 }
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96
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97 /**
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98 * Constructs a new instance of RowData according to the parameter.
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99 * A value of DWT.DEFAULT indicates that no minimum width or
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100 * no minimum height is specified.
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101 *
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102 * @param point a point whose x coordinate specifies a minimum width for the control
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103 * and y coordinate specifies a minimum height for the control
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104 */
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105 public this (Point point) {
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106 this (point.x, point.y);
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107 }
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108
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109 String getName () {
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110 String string = this.classinfo.name;
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111 int index = string.lastIndexOf('.');
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112 if (index is -1 ) return string;
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113 return string[ index + 1 .. string.length ];
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114 }
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115
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116 /**
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117 * Returns a string containing a concise, human-readable
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118 * description of the receiver.
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119 *
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120 * @return a string representation of the RowData object
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121 */
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122 override public String toString () {
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123 String string = getName ()~" {";
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124 if (width !is DWT.DEFAULT) string ~= "width="~to!(String)(width)~" ";
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125 if (height !is DWT.DEFAULT) string ~= "height="~to!(String)(height)~" ";
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126 if (exclude) string ~= "exclude="~to!(String)(exclude)~" ";
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127 string = string.trim();
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128 string ~= "}";
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129 return string;
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130 }
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131 }